diff --git a/.env.example b/.env.example
index 0b02a76..d972d67 100644
--- a/.env.example
+++ b/.env.example
@@ -1,9 +1,12 @@
-INFURA_API_KEY="{INSERT_API_KEY}"
 MNEMONIC="{INSERT_12_WORD_MNEMONIC}"
 
+INFURA_API_KEY="{INSERT_API_KEY}"
+ALCHEMY_API_KEY="{INSERT_API_KEY}"
+
 # Block explorer API keys
 ETHERSCAN_API_KEY="{INSERT_API_KEY}"
+POLYGONSCAN_API_KEY="{INSERT_API_KEY}"
 GASPRICE_API_ENDPOINT="https://api.etherscan.io/api?module=proxy&action=eth_gasPrice"
 COINMARKETCAP_API_KEY="{INSERT_API_KEY}"
 
-REPORT_GAS="true"
+REPORT_GAS="true"
\ No newline at end of file
diff --git a/README.md b/README.md
index 79d3271..ec6daf7 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@
 │   ├── tokens
 │   │   └── ERC20.sol
 │   └── utils
-│       ├── Counters.sol
 │       ├── MerkleProofLib.sol
 │       ├── ReentrancyGuard.sol
 │       └── SafeTransferLib.sol
@@ -30,6 +29,37 @@
 
 ![Callgraph](docs/callgraph.svg)
 
+## Current Deployment addresses
+
+### V1
+| Testnet 	| Token Address                              	| P2pix Address                              	|
+|---------	|--------------------------------------------	|--------------------------------------------	|
+| Goerli  	| 0x294003F602c321627152c6b7DED3EAb5bEa853Ee 	| 0x5f3EFA9A90532914545CEf527C530658af87e196 	|
+| Mumbai  	| 0x294003F602c321627152c6b7DED3EAb5bEa853Ee  | 0x5f3EFA9A90532914545CEf527C530658af87e196	|
+
+<!-- All contracts deployed by 0x8dC06F985C131166570825F52447E8c88d64aE20 -->
+
+<!-- https://goerli.etherscan.io/address/0x294003F602c321627152c6b7DED3EAb5bEa853Ee#code -->
+
+<!-- https://goerli.etherscan.io/address/0x5f3EFA9A90532914545CEf527C530658af87e196#code -->
+
+<!-- https://mumbai.polygonscan.com/address/0x294003F602c321627152c6b7DED3EAb5bEa853Ee#code -->
+
+<!-- https://mumbai.polygonscan.com/address/0x5f3EFA9A90532914545CEf527C530658af87e196#code -->
+
+### V2
+| Testnet 	| Token Address                              	| P2pix Address                              	| Reputation Address                          |
+|---------	|--------------------------------------------	|--------------------------------------------	|--------------------------------------------	|
+| Goerli  	| 0x4A2886EAEc931e04297ed336Cc55c4eb7C75BA00 	| 0x2a54667b566B1Aa3779828720E6696AC18ae3f1b 	| 0x7c4010CFe2B5446f0c9dcc5e9B596534b2D2eB44 	|
+| Mumbai  	| 0xC86042E9F2977C62Da8c9dDF7F9c40fde4796A29  | 0x7F4680D114B43c4434FB604c7Bc6306125D32f28	| 0xD38D6367f452D097ccBfDe4490b7de570B6A72Db	|
+
+<!-- All contracts deployed by 0x8dC06F985C131166570825F52447E8c88d64aE20 -->
+<!-- https://goerli.etherscan.io/address/0x4A2886EAEc931e04297ed336Cc55c4eb7C75BA00#code -->
+<!-- https://goerli.etherscan.io/address/0x2a54667b566B1Aa3779828720E6696AC18ae3f1b#code -->
+<!-- https://goerli.etherscan.io/address/0x7c4010CFe2B5446f0c9dcc5e9B596534b2D2eB44#code -->
+<!-- https://mumbai.polygonscan.com/address/0xC86042E9F2977C62Da8c9dDF7F9c40fde4796A29#code -->
+<!-- https://mumbai.polygonscan.com/address/0x7F4680D114B43c4434FB604c7Bc6306125D32f28#code -->
+<!-- https://mumbai.polygonscan.com/address/0xD38D6367f452D097ccBfDe4490b7de570B6A72Db#code -->
 ## Usage
 
 ### Pre Requisites
@@ -103,3 +133,20 @@ yarn deploy2:localhost
 
 **_NOTE_:** The second script transfers 2M tokens to the first wallet of the node.
 To use the P2Pix smart contract first transfer some of the tokens to other wallets.
+
+
+## Deploying to testnets
+
+Deploy to Ethereum's Goerli testnet:
+
+```sh
+yarn deploy1:goerli
+yarn deploy2:goerli
+```
+
+Deploy to Polygon's Mumbai testnet:
+
+```sh
+yarn deploy1:mumbai
+yarn deploy2:mumbai
+```
\ No newline at end of file
diff --git a/artifacts/contracts/DataTypes.sol/DataTypes.dbg.json b/artifacts/contracts/DataTypes.sol/DataTypes.dbg.json
index e79a018..c296519 100644
--- a/artifacts/contracts/DataTypes.sol/DataTypes.dbg.json
+++ b/artifacts/contracts/DataTypes.sol/DataTypes.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../build-info/f807a312b7619f2547c334c76d81a8da.json"
+  "buildInfo": "../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/EventAndErrors.sol/EventAndErrors.dbg.json b/artifacts/contracts/EventAndErrors.sol/EventAndErrors.dbg.json
index e79a018..c296519 100644
--- a/artifacts/contracts/EventAndErrors.sol/EventAndErrors.dbg.json
+++ b/artifacts/contracts/EventAndErrors.sol/EventAndErrors.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../build-info/f807a312b7619f2547c334c76d81a8da.json"
+  "buildInfo": "../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/EventAndErrors.sol/EventAndErrors.json b/artifacts/contracts/EventAndErrors.sol/EventAndErrors.json
index a2428ef..4451430 100644
--- a/artifacts/contracts/EventAndErrors.sol/EventAndErrors.json
+++ b/artifacts/contracts/EventAndErrors.sol/EventAndErrors.json
@@ -202,9 +202,9 @@
         },
         {
           "indexed": true,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockID",
-          "type": "bytes32"
+          "type": "uint256"
         },
         {
           "indexed": false,
@@ -246,9 +246,9 @@
         },
         {
           "indexed": false,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockId",
-          "type": "bytes32"
+          "type": "uint256"
         },
         {
           "indexed": false,
@@ -271,9 +271,9 @@
         },
         {
           "indexed": false,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockId",
-          "type": "bytes32"
+          "type": "uint256"
         }
       ],
       "name": "LockReturned",
diff --git a/artifacts/contracts/Reputation.sol/Reputation.dbg.json b/artifacts/contracts/Reputation.sol/Reputation.dbg.json
index 24373ca..c296519 100644
--- a/artifacts/contracts/Reputation.sol/Reputation.dbg.json
+++ b/artifacts/contracts/Reputation.sol/Reputation.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../build-info/916d546d680bb337e1c490eb628d93df.json"
+  "buildInfo": "../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/Reputation.sol/Reputation.json b/artifacts/contracts/Reputation.sol/Reputation.json
index 0aa879f..1d452b0 100644
--- a/artifacts/contracts/Reputation.sol/Reputation.json
+++ b/artifacts/contracts/Reputation.sol/Reputation.json
@@ -99,8 +99,8 @@
       "type": "function"
     }
   ],
-  "bytecode": "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",
-  "deployedBytecode": "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",
+  "bytecode": "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",
+  "deployedBytecode": "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",
   "linkReferences": {},
   "deployedLinkReferences": {}
 }
diff --git a/artifacts/contracts/lib/auth/Owned.sol/Owned.dbg.json b/artifacts/contracts/lib/auth/Owned.sol/Owned.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/auth/Owned.sol/Owned.dbg.json
+++ b/artifacts/contracts/lib/auth/Owned.sol/Owned.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/interfaces/IReputation.sol/IReputation.dbg.json b/artifacts/contracts/lib/interfaces/IReputation.sol/IReputation.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/interfaces/IReputation.sol/IReputation.dbg.json
+++ b/artifacts/contracts/lib/interfaces/IReputation.sol/IReputation.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/mock/mockToken.sol/MockToken.dbg.json b/artifacts/contracts/lib/mock/mockToken.sol/MockToken.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/mock/mockToken.sol/MockToken.dbg.json
+++ b/artifacts/contracts/lib/mock/mockToken.sol/MockToken.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/mock/mockToken.sol/MockToken.json b/artifacts/contracts/lib/mock/mockToken.sol/MockToken.json
index c3da5c1..8b17455 100644
--- a/artifacts/contracts/lib/mock/mockToken.sol/MockToken.json
+++ b/artifacts/contracts/lib/mock/mockToken.sol/MockToken.json
@@ -330,8 +330,8 @@
       "type": "function"
     }
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   "linkReferences": {},
   "deployedLinkReferences": {}
 }
diff --git a/artifacts/contracts/lib/tokens/ERC20.sol/ERC20.dbg.json b/artifacts/contracts/lib/tokens/ERC20.sol/ERC20.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/tokens/ERC20.sol/ERC20.dbg.json
+++ b/artifacts/contracts/lib/tokens/ERC20.sol/ERC20.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/utils/Counters.sol/Counters.dbg.json b/artifacts/contracts/lib/utils/Counters.sol/Counters.dbg.json
deleted file mode 100644
index 5d925c7..0000000
--- a/artifacts/contracts/lib/utils/Counters.sol/Counters.dbg.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
-}
diff --git a/artifacts/contracts/lib/utils/Counters.sol/Counters.json b/artifacts/contracts/lib/utils/Counters.sol/Counters.json
deleted file mode 100644
index 586b482..0000000
--- a/artifacts/contracts/lib/utils/Counters.sol/Counters.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "_format": "hh-sol-artifact-1",
-  "contractName": "Counters",
-  "sourceName": "contracts/lib/utils/Counters.sol",
-  "abi": [
-    {
-      "inputs": [],
-      "name": "DecOverflow",
-      "type": "error"
-    }
-  ],
-  "bytecode": "0x602d6037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea164736f6c6343000809000a",
-  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea164736f6c6343000809000a",
-  "linkReferences": {},
-  "deployedLinkReferences": {}
-}
diff --git a/artifacts/contracts/lib/utils/MerkleProofLib.sol/MerkleProofLib.dbg.json b/artifacts/contracts/lib/utils/MerkleProofLib.sol/MerkleProofLib.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/utils/MerkleProofLib.sol/MerkleProofLib.dbg.json
+++ b/artifacts/contracts/lib/utils/MerkleProofLib.sol/MerkleProofLib.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/utils/ReentrancyGuard.sol/ReentrancyGuard.dbg.json b/artifacts/contracts/lib/utils/ReentrancyGuard.sol/ReentrancyGuard.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/utils/ReentrancyGuard.sol/ReentrancyGuard.dbg.json
+++ b/artifacts/contracts/lib/utils/ReentrancyGuard.sol/ReentrancyGuard.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/lib/utils/SafeTransferLib.sol/SafeTransferLib.dbg.json b/artifacts/contracts/lib/utils/SafeTransferLib.sol/SafeTransferLib.dbg.json
index 5d925c7..ff1ed99 100644
--- a/artifacts/contracts/lib/utils/SafeTransferLib.sol/SafeTransferLib.dbg.json
+++ b/artifacts/contracts/lib/utils/SafeTransferLib.sol/SafeTransferLib.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../build-info/0043b38db58c3ff291cf622f3b61e1a3.json"
+  "buildInfo": "../../../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/p2pix.sol/P2PIX.dbg.json b/artifacts/contracts/p2pix.sol/P2PIX.dbg.json
index 0df3fc6..c296519 100644
--- a/artifacts/contracts/p2pix.sol/P2PIX.dbg.json
+++ b/artifacts/contracts/p2pix.sol/P2PIX.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../build-info/a89635dd94b1e537327e1582c6d97eb3.json"
+  "buildInfo": "../../build-info/6801f23dfb2a9667d9e89d4173ae1ee7.json"
 }
diff --git a/artifacts/contracts/p2pix.sol/P2PIX.json b/artifacts/contracts/p2pix.sol/P2PIX.json
index 1c83664..e4946d4 100644
--- a/artifacts/contracts/p2pix.sol/P2PIX.json
+++ b/artifacts/contracts/p2pix.sol/P2PIX.json
@@ -238,9 +238,9 @@
         },
         {
           "indexed": true,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockID",
-          "type": "bytes32"
+          "type": "uint256"
         },
         {
           "indexed": false,
@@ -282,9 +282,9 @@
         },
         {
           "indexed": false,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockId",
-          "type": "bytes32"
+          "type": "uint256"
         },
         {
           "indexed": false,
@@ -307,9 +307,9 @@
         },
         {
           "indexed": false,
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockId",
-          "type": "bytes32"
+          "type": "uint256"
         }
       ],
       "name": "LockReturned",
@@ -544,6 +544,30 @@
       "stateMutability": "view",
       "type": "function"
     },
+    {
+      "inputs": [
+        {
+          "internalType": "address[]",
+          "name": "sellers",
+          "type": "address[]"
+        },
+        {
+          "internalType": "contract ERC20",
+          "name": "token",
+          "type": "address"
+        }
+      ],
+      "name": "getBalances",
+      "outputs": [
+        {
+          "internalType": "uint256[]",
+          "name": "balances",
+          "type": "uint256[]"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
     {
       "inputs": [
         {
@@ -630,17 +654,17 @@
           "type": "bytes32[]"
         },
         {
-          "internalType": "bytes32[]",
+          "internalType": "uint256[]",
           "name": "expiredLocks",
-          "type": "bytes32[]"
+          "type": "uint256[]"
         }
       ],
       "name": "lock",
       "outputs": [
         {
-          "internalType": "bytes32",
-          "name": "lockID",
-          "type": "bytes32"
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
         }
       ],
       "stateMutability": "nonpayable",
@@ -662,9 +686,9 @@
     {
       "inputs": [
         {
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "",
-          "type": "bytes32"
+          "type": "uint256"
         }
       ],
       "name": "mapLocks",
@@ -739,9 +763,9 @@
     {
       "inputs": [
         {
-          "internalType": "bytes32",
+          "internalType": "uint256",
           "name": "lockID",
-          "type": "bytes32"
+          "type": "uint256"
         },
         {
           "internalType": "address",
@@ -939,9 +963,9 @@
     {
       "inputs": [
         {
-          "internalType": "bytes32[]",
+          "internalType": "uint256[]",
           "name": "lockIDs",
-          "type": "bytes32[]"
+          "type": "uint256[]"
         }
       ],
       "name": "unlockExpired",
@@ -1014,19 +1038,18 @@
           "type": "address"
         },
         {
-          "internalType": "bytes32[]",
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256[]",
           "name": "expiredLocks",
-          "type": "bytes32[]"
+          "type": "uint256[]"
         }
       ],
       "name": "withdraw",
-      "outputs": [
-        {
-          "internalType": "uint256",
-          "name": "_sellerBalance",
-          "type": "uint256"
-        }
-      ],
+      "outputs": [],
       "stateMutability": "nonpayable",
       "type": "function"
     },
@@ -1042,8 +1065,8 @@
       "type": "receive"
     }
   ],
-  "bytecode": 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   "linkReferences": {},
   "deployedLinkReferences": {}
 }
diff --git a/contracts/EventAndErrors.sol b/contracts/EventAndErrors.sol
index 606c451..a59062d 100644
--- a/contracts/EventAndErrors.sol
+++ b/contracts/EventAndErrors.sol
@@ -23,18 +23,18 @@ interface EventAndErrors {
     );
     event LockAdded(
         address indexed buyer,
-        bytes32 indexed lockID,
+        uint256 indexed lockID,
         uint256 seller,
         uint256 amount
     );
     event LockReleased(
         address indexed buyer, 
-        bytes32 lockId,
+        uint256 lockId,
         uint256 amount
     );
     event LockReturned(
         address indexed buyer, 
-        bytes32 lockId
+        uint256 lockId
     );
     event FundsWithdrawn(
         address owner, 
@@ -108,8 +108,10 @@ interface EventAndErrors {
     
     /// @dev 0xce3a3d37
     error DecOverflow();
-    /// @dev 0x
+    /// @dev 0xf3fb0eb9
     error MaxBalExceeded();
+    /// @dev 0x6a3bc53e
     error EmptyPixTarget();
+    /// @dev 0x87138d5c
     error NotInitialized();
 }
diff --git a/contracts/lib/utils/Counters.sol b/contracts/lib/utils/Counters.sol
deleted file mode 100644
index 8039093..0000000
--- a/contracts/lib/utils/Counters.sol
+++ /dev/null
@@ -1,52 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-pragma solidity >=0.8.4;
-
-/// @title Counters
-/// @author buf0t9
-/// @author Modified from OpenZeppelin Contracts
-/// (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Counters.sol)
-/// @notice Provides counters that can only be incremented, decrementedor reset.
-/// @dev Include with `using Counters for Counters.Counter;`
-library Counters {
-    // solhint-disable no-inline-assembly
-    struct Counter {
-        /// @dev Interactions must be restricted to the library's function.
-        uint256 _val; // := 0
-    }
-
-    /// @dev 0xce3a3d37
-    error DecOverflow();
-
-    function current(
-        Counter storage counter
-    ) internal view returns (uint256 _val) {
-        assembly {
-            _val := sload(counter.slot)
-        }
-    }
-
-    function increment(Counter storage counter) internal {
-        assembly {
-            let _val := sload(counter.slot)
-            sstore(counter.slot, add(_val, 0x01))
-        }
-    }
-
-    function decrement(Counter storage counter) internal {
-        assembly {
-            let _val := sload(counter.slot)
-            if or(iszero(_val), lt(_val, 0x00)) {
-                mstore(0x00, 0xce3a3d37)
-                revert(0x1c, 0x04)
-            }
-            sstore(counter.slot, sub(_val, 0x01))
-        }
-    }
-
-    function reset(Counter storage counter) internal {
-        assembly {
-            sstore(counter.slot, 0)
-        }
-    }
-}
diff --git a/contracts/p2pix.sol b/contracts/p2pix.sol
index 11121ba..fb50051 100644
--- a/contracts/p2pix.sol
+++ b/contracts/p2pix.sol
@@ -9,7 +9,6 @@ pragma solidity 0.8.9;
 ///
 
 import { Owned } from "./lib/auth/Owned.sol";
-// import { Counters } from "./lib/utils/Counters.sol";
 import { ERC20, SafeTransferLib } from "./lib/utils/SafeTransferLib.sol";
 import { IReputation } from "./lib/interfaces/IReputation.sol";
 import { MerkleProofLib as Merkle } from "./lib/utils/MerkleProofLib.sol";
@@ -24,22 +23,22 @@ contract P2PIX is
 {
     // solhint-disable use-forbidden-name
     // solhint-disable no-inline-assembly
+    // solhint-disable no-empty-blocks
 
-    // using Counters for Counters.Counter;
     using DT for DT.Lock;
 
     /// ███ Constants ██████████████████████████████████████████████████████████
 
-    /// @dev The bitmask of `sellerBalance` entry.  
-    uint256 constant private BITMASK_SB_ENTRY = (1 << 94) - 1;
+    /// @dev The bitmask of `sellerBalance` entry.
+    uint256 private constant BITMASK_SB_ENTRY = (1 << 94) - 1;
     /// @dev The bit position of `pixTarget` in `sellerBalance`.
-    uint256 constant private BITPOS_PIXTARGET = 95;
+    uint256 private constant BITPOS_PIXTARGET = 95;
     /// @dev The bit position of `valid` in `sellerBalance`.
-    uint256 constant private BITPOS_VALID = 255;
+    uint256 private constant BITPOS_VALID = 255;
     /// @dev The bitmask of all 256 bits of `sellerBalance` except for the last one.
-    uint256 constant private BITMASK_VALID = (1 << 255) - 1; 
+    uint256 private constant BITMASK_VALID = (1 << 255) - 1;
     /// @dev The scalar of BRZ token.
-    uint256 constant public WAD = 1e18;
+    uint256 public constant WAD = 1e18;
 
     /// ███ Storage ████████████████████████████████████████████████████████████
 
@@ -51,7 +50,7 @@ contract P2PIX is
     uint256 public lockCounter;
 
     /// @dev List of Locks.
-    mapping(bytes32 => DT.Lock) public mapLocks;
+    mapping(uint256 => DT.Lock) public mapLocks;
     /// @dev Seller casted to key => Seller's allowlist merkleroot.
     mapping(uint256 => bytes32) public sellerAllowList;
     /// @dev Stores an relayer's last computed credit.
@@ -66,11 +65,12 @@ contract P2PIX is
     // BITS LAYOUT
     // `uint96`  [0...94]   := balance
     // `uint160` [95...254] := pixTarget
-    // `bool`    [255]       := valid 
-    
+    // `bool`    [255]       := valid
+
     /// @dev `balance` max. value = 10**26.
     /// @dev `pixTarget` keys are restricted to 160 bits.
-    mapping(uint256 => mapping(ERC20 => uint256)) public sellerBalance;
+    mapping(uint256 => mapping(ERC20 => uint256))
+        public sellerBalance;
 
     /// ███ Constructor ████████████████████████████████████████████████████████
 
@@ -105,17 +105,17 @@ contract P2PIX is
     ) public {
         ERC20 t = ERC20(_token);
         uint256 k = _castAddrToKey(msg.sender);
-        
-        if(_pixTarget == 0) 
+
+        if (_pixTarget == 0) 
             revert EmptyPixTarget();
         if (!allowedERC20s[t]) 
             revert TokenDenied();
         uint256 _sellerBalance = 
             sellerBalance[k][t];
-        
+
         uint256 currBal = 
-            _sellerBalance & BITMASK_SB_ENTRY; 
-        if ((currBal + _amount) > 1e8 ether) 
+            _sellerBalance & BITMASK_SB_ENTRY;
+        if ((currBal + _amount) > 1e8 ether)
             revert MaxBalExceeded();
 
         setReentrancyGuard();
@@ -123,17 +123,25 @@ contract P2PIX is
         if (allowlistRoot != 0) {
             setRoot(msg.sender, allowlistRoot);
         }
-        
+
         uint256 amountCasted;
         uint256 pixTargetCasted;
         uint256 validCasted;
-        (amountCasted, pixTargetCasted, validCasted) = 
-            _castToUint(_amount, _pixTarget, _valid);
-        sellerBalance[k][t] = 
-            (currBal + amountCasted) | 
-            (pixTargetCasted << BITPOS_PIXTARGET) |
-            (validCasted << BITPOS_VALID); 
+        (
+            amountCasted,
+            pixTargetCasted,
+            validCasted
+        ) = _castToUint(
+            _amount, 
+            _pixTarget, 
+            _valid
+        );
         
+        sellerBalance[k][t] =
+            (currBal + amountCasted) |
+            (pixTargetCasted << BITPOS_PIXTARGET) |
+            (validCasted << BITPOS_VALID);
+
         SafeTransferLib.safeTransferFrom(
             t,
             msg.sender,
@@ -144,8 +152,8 @@ contract P2PIX is
         clearReentrancyGuard();
 
         emit DepositAdded(
-            msg.sender,
-            _token,
+            msg.sender, 
+            _token, 
             _amount
         );
     }
@@ -155,23 +163,27 @@ contract P2PIX is
     /// @dev This function does not affect any ongoing active locks.
     /// @dev Function sighash: 0x72fada5c.
     function setValidState(ERC20 token, bool state) public {
-        uint256 key = _castAddrToKey(msg.sender);
+        uint256 key = 
+            _castAddrToKey(msg.sender);
         uint256 _sellerBalance = 
             sellerBalance[key][token];
+        
         if (_sellerBalance != 0) {
             uint256 _valid;
-            assembly {
-                _valid := state
-            }
-            _sellerBalance = (_sellerBalance & BITMASK_VALID) | 
-                (_valid << BITPOS_VALID);
-            sellerBalance[key][token] = _sellerBalance;
+            assembly { _valid := state }
         
-        emit ValidSet(
-            msg.sender,
-            address(token),
-            state
-        );
+            _sellerBalance =
+                (_sellerBalance & BITMASK_VALID) |
+                (_valid << BITPOS_VALID);
+            
+            sellerBalance[key][token] = 
+                _sellerBalance;
+
+            emit ValidSet(
+                msg.sender, 
+                address(token), 
+                state
+            );
         } else 
             revert NotInitialized();
     }
@@ -203,39 +215,38 @@ contract P2PIX is
         uint256 _relayerPremium,
         uint256 _amount,
         bytes32[] calldata merkleProof,
-        bytes32[] calldata expiredLocks
-    ) public nonReentrant returns (bytes32 lockID) {
+        uint256[] calldata expiredLocks
+    ) public nonReentrant returns (uint256) {
         unlockExpired(expiredLocks);
+
         ERC20 t = ERC20(_token);
         if (!getValid(_seller, t)) 
             revert InvalidDeposit();
-        uint256 bal = getBalance(_seller, t);
+
+        uint256 bal = 
+            getBalance(_seller, t);
         if (bal < _amount) 
             revert NotEnoughTokens();
 
         uint256 k = 
             _castAddrToKey(_seller);
 
-        uint256 cachedCounter =
-            lockCounter + 1; 
+        uint256 cCounter = 
+            lockCounter + 1;
 
-        lockID = keccak256(
-            abi.encodePacked(
-                lockCounter,
-                _amount,
-                _buyerAddress
-            )
-        );
-        if (mapLocks[lockID].expirationBlock >= block.number)
-            revert NotExpired();
+        if (mapLocks[cCounter].expirationBlock 
+            >= block.number)
+                revert NotExpired();
 
         DT.Lock memory l = DT.Lock(
             k,
-            cachedCounter,
+            cCounter,
             _relayerPremium,
             _amount,
-            (block.number + defaultLockBlocks),
-            uint160(sellerBalance[k][t] >> BITPOS_PIXTARGET),
+            (block.number + 
+                defaultLockBlocks),
+            uint160(sellerBalance[k][t] 
+                >> BITPOS_PIXTARGET),
             _buyerAddress,
             _relayerTarget,
             msg.sender,
@@ -250,56 +261,62 @@ contract P2PIX is
             );
 
             _addLock(
-                bal,
-                _amount,
-                lockID, 
+                bal, 
+                _amount, 
+                cCounter, 
                 l, 
                 t, 
-                k);
-            
+                k
+            );
+
             lockCounter++;
 
             // Halt execution and output `lockID`.
-            return lockID;
+            return cCounter;
 
         } else {
             if (l.amount <= 1e2 ether) {
                 _addLock(
-                bal,
-                _amount,
-                lockID,
-                l, 
-                t, 
-                k);
-            
-            lockCounter++;
+                    bal, 
+                    _amount, 
+                    cCounter, 
+                    l, 
+                    t, 
+                    k
+                );
 
-            // Halt execution and output `lockID`.
-            return lockID;
+                lockCounter++;
+
+                // Halt execution and output `lockID`.
+                return cCounter;
 
             } else {
                 uint256 userCredit = userRecord[
                     _castAddrToKey(msg.sender)
                 ];
+
                 uint256 spendLimit;
-                (spendLimit) = _limiter(userCredit / WAD);
+                (spendLimit) = 
+                    _limiter(userCredit / WAD);
 
-                if (l.amount > (spendLimit * WAD) || 
-                    l.amount > 1e6 ether)
-                        revert AmountNotAllowed();
+                if (
+                    l.amount > (spendLimit * WAD) ||
+                    l.amount > 1e6 ether
+                ) revert AmountNotAllowed();
 
-            _addLock(
-                bal,
-                _amount,
-                lockID,
-                l, 
-                t, 
-                k);
-            
-            lockCounter++;
+                _addLock(
+                    bal, 
+                    _amount, 
+                    cCounter, 
+                    l, 
+                    t, 
+                    k
+                );
 
-            // Halt execution and output `lockID`.
-            return lockID;
+                lockCounter++;
+
+                // Halt execution and output `lockID`.
+                return cCounter;
             }
         }
     }
@@ -318,7 +335,7 @@ contract P2PIX is
     /// @param _relayerTarget Target address entitled to the `relayerPremim`.
     /// @dev Function sighash: 0x4e1389ed.
     function release(
-        bytes32 lockID,
+        uint256 lockID,
         address _relayerTarget,
         bytes32 pixTimestamp,
         bytes32 r,
@@ -358,22 +375,25 @@ contract P2PIX is
         ERC20 t = ERC20(l.token);
 
         // We cache values before zeroing them out.
-        uint256 lockAmount = l.amount;
-        uint256 totalAmount = (lockAmount - l.relayerPremium);
+        uint256 lockAmount = 
+            l.amount;
+        uint256 totalAmount = 
+            (lockAmount - l.relayerPremium);
 
         l.amount = 0;
         l.expirationBlock = 0;
         usedTransactions[message] = true;
 
         if (msg.sender != l.relayerAddress) {
-            userRecord[_castAddrToKey(msg.sender)] += l
-                .relayerPremium;
+            userRecord[
+                _castAddrToKey(msg.sender)
+            ] += l.relayerPremium;
             userRecord[
                 _castAddrToKey(l.relayerAddress)
             ] += lockAmount;
         } else {
-            userRecord[_castAddrToKey(msg.sender)] += (l
-                .relayerPremium + lockAmount);
+            userRecord[_castAddrToKey(msg.sender)] 
+            += (l.relayerPremium + lockAmount);
         }
 
         SafeTransferLib.safeTransfer(
@@ -404,7 +424,11 @@ contract P2PIX is
             }
         }
 
-        emit LockReleased(l.buyerAddress, lockID, lockAmount);
+        emit LockReleased(
+            l.buyerAddress, 
+            lockID, 
+            lockAmount
+        );
     }
 
     /// @notice Unlocks expired locks.
@@ -413,38 +437,49 @@ contract P2PIX is
     /// @dev For each successfull unexpired lock recovered,
     /// `userRecord[_castAddrToKey(l.relayerAddress)]` is decreased by half of its value.
     /// @dev Function sighash: 0x8e2749d6.
-    function unlockExpired(
-        bytes32[] calldata lockIDs
-    ) public {
+    function unlockExpired(uint256[] calldata lockIDs)
+        public
+    {
         uint256 i;
         uint256 locksSize = lockIDs.length;
 
         for (i; i < locksSize; ) {
-            DT.Lock storage l = mapLocks[lockIDs[i]];
+            DT.Lock storage l = 
+                mapLocks[lockIDs[i]];
 
             _notExpired(l);
 
             uint256 _sellerBalance = 
-                sellerBalance[l.sellerKey][ERC20(l.token)] & BITMASK_SB_ENTRY;
-            if((_sellerBalance + l.amount) > 1e8 ether)
+                sellerBalance[
+                    l.sellerKey][ERC20(l.token)
+                ] & BITMASK_SB_ENTRY;
+            
+            if (
+                (_sellerBalance + l.amount) 
+                > 1e8 ether
+            )
                 revert MaxBalExceeded();
 
-            sellerBalance[l.sellerKey][ERC20(l.token)] += l.amount;
+            sellerBalance[
+                l.sellerKey][ERC20(l.token)
+            ] += l.amount;
 
             l.amount = 0;
 
-            uint256 userKey = _castAddrToKey(
-                l.relayerAddress
-            );
-            uint256 _newUserRecord = (userRecord[userKey] >>
-                1);
+            uint256 userKey = 
+            _castAddrToKey(l.relayerAddress);
+            uint256 _newUserRecord = 
+                (userRecord[userKey] >> 1);
 
             if (_newUserRecord <= 1e2 ether) {
                 userRecord[userKey] = 1e2 ether;
             } else {
                 userRecord[userKey] = _newUserRecord;
             }
-            emit LockReturned(l.buyerAddress, lockIDs[i]);
+            emit LockReturned(
+                l.buyerAddress, 
+                lockIDs[i]
+            );
 
             unchecked {
                 ++i;
@@ -466,11 +501,11 @@ contract P2PIX is
     /// @dev Function sighash: 0x36317972.
     function withdraw(
         ERC20 token,
-        bytes32[] calldata expiredLocks
-    ) 
-        public 
-        nonReentrant 
-        returns(uint256 _sellerBalance)
+        uint256 amount,
+        uint256[] calldata expiredLocks
+    )
+        public
+        nonReentrant
     {
         unlockExpired(expiredLocks);
 
@@ -478,37 +513,35 @@ contract P2PIX is
             == true
         ) {
             setValidState(token, false);
-        } 
+        }
 
         uint256 key = 
             _castAddrToKey(msg.sender);
+        _decBal(
+            (sellerBalance[key][token] 
+                & BITMASK_SB_ENTRY),
+            amount,
+            token,
+            key
+        );
 
-            sellerBalance[key][token] -= 
-                (_sellerBalance = 
-                    sellerBalance[key][token] 
-                        & BITMASK_SB_ENTRY);
-            
-            if(_sellerBalance == 0) 
-                revert InvalidDeposit();
+        // safeTransfer tokens to seller
+        SafeTransferLib.safeTransfer(
+            token,
+            msg.sender,
+            amount
+        );
 
-            // safeTransfer tokens to seller
-            SafeTransferLib.safeTransfer(
-                token, 
-                msg.sender, 
-                _sellerBalance
-            );
-
-            emit DepositWithdrawn(
-                msg.sender, 
-                address(token), 
-                _sellerBalance
-            );
+        emit DepositWithdrawn(
+            msg.sender,
+            address(token),
+            amount
+        );
     }
 
-    function setRoot(
-        address addr,
-        bytes32 merkleroot
-    ) public {
+    function setRoot(address addr, bytes32 merkleroot)
+        public
+    {
         if (addr == msg.sender) {
             sellerAllowList[
                 _castAddrToKey(addr)
@@ -527,27 +560,30 @@ contract P2PIX is
         emit FundsWithdrawn(msg.sender, balance);
     }
 
-    function setReputation(
-        IReputation _reputation
-    ) public onlyOwner {
+    function setReputation(IReputation _reputation)
+        public
+        onlyOwner
+    {
         assembly {
             sstore(reputation.slot, _reputation)
         }
         emit ReputationUpdated(address(_reputation));
     }
 
-    function setDefaultLockBlocks(
-        uint256 _blocks
-    ) public onlyOwner {
+    function setDefaultLockBlocks(uint256 _blocks)
+        public
+        onlyOwner
+    {
         assembly {
             sstore(defaultLockBlocks.slot, _blocks)
         }
         emit LockBlocksUpdated(_blocks);
     }
 
-    function setValidSigners(
-        address[] memory _validSigners
-    ) public onlyOwner {
+    function setValidSigners(address[] memory _validSigners)
+        public
+        onlyOwner
+    {
         unchecked {
             uint256 i;
             uint256 len = _validSigners.length;
@@ -623,33 +659,14 @@ contract P2PIX is
     function _addLock(
         uint256 _bal,
         uint256 _amount,
-        bytes32 _lockID,
+        uint256 _lockID,
         DT.Lock memory _l,
         ERC20 _t,
         uint256 _k
     ) internal {
-
         mapLocks[_lockID] = _l;
-        
-        assembly {
-            if iszero(
-                iszero(
-                    or(
-                        iszero(_bal), 
-                        lt(
-                            sub(
-                                _bal,
-                                _amount), 
-                                0x0
-                )))) {
-                // DecOverflow()
-                mstore(0x00, 0xce3a3d37)
-                revert(0x1c, 0x04)
-            }
-        }
-        
-        // we can directly dec from packed uint entry value
-        sellerBalance[_k][_t] -= _amount;
+
+        _decBal(_bal, _amount, _t, _k);
 
         emit LockAdded(
             _l.buyerAddress,
@@ -657,61 +674,8 @@ contract P2PIX is
             _l.sellerKey,
             _l.amount
         );
-
-        /// @todo
-        // assembly {
-        //     // sstore(mp.slot, _l)
-        //     mstore(0x00, _k)
-        //     mstore(0x20, sellerBalance.slot)
-        //     let sbkslot := keccak256(0x00, 0x40)
-        //     mstore(0x00, _t)
-        //     mstore(0x20, sbkslot)
-        //     let sbslot := keccak256(0x00,0x40)
-        //     let oldsb := sload(sbslot)
-        //     sstore(
-        //         sbslot, 
-        //         or(
-        //             or(
-        //                 _newBal, 
-        //                 shr(
-        //                     oldsb,
-        //                     BITPOS_PIXTARGET
-        //                 )),
-        //             and(
-        //                 shr(
-        //                     oldsb,
-        //                     BITPOS_VALID
-        //                 ),
-        //                 BITMASK_SB_ENTRY
-        //             )
-        //         )
-        //     )
-        // }
-
     }
 
-    /// @notice Private view auxiliar logic that encodes/returns
-    /// the `bytes32` identifier of an lock.
-    /// @dev reverts on a not expired lock with the same ID passed
-    /// as argument of the function.
-    /// @dev Called exclusively by the `lock` method.
-    /// @dev Function sighash: 0x3fc5fb52.
-    // function _encodeLockID(
-    //     uint256 _lockCounter,
-    //     uint256 _amount,
-    //     address _buyerAddress
-    // ) private view returns (bytes32 _lockID) {
-    //     _lockID = keccak256(
-    //         abi.encodePacked(
-    //             _lockCounter,
-    //             _amount,
-    //             _buyerAddress
-    //         )
-    //     );
-    //     if (mapLocks[_lockID].expirationBlock >= block.number)
-    //         revert NotExpired();
-    // }
-
     function merkleVerify(
         bytes32[] calldata _merkleProof,
         bytes32 root,
@@ -726,9 +690,11 @@ contract P2PIX is
         ) revert AddressDenied();
     }
 
-    function _limiter(
-        uint256 _userCredit
-    ) internal view returns (uint256 _spendLimit) {
+    function _limiter(uint256 _userCredit)
+        internal
+        view
+        returns (uint256 _spendLimit)
+    {
         // enconde the fx sighash and args
         bytes memory encodedParams = abi.encodeWithSelector(
             IReputation.limiter.selector,
@@ -766,80 +732,164 @@ contract P2PIX is
     }
 
     function _castToUint(
-        uint96 _amount, 
-        uint160 _pixTarget, 
-        bool _valid) 
-        private 
-        pure 
+        uint96 _amount,
+        uint160 _pixTarget,
+        bool _valid
+    )
+        private
+        pure
         returns (
-            uint256 _amountCasted, 
-            uint256 _pixTargetCasted, 
+            uint256 _amountCasted,
+            uint256 _pixTargetCasted,
             uint256 _validCasted
-        ) {
-            assembly {
-                _amountCasted := _amount 
-                _pixTargetCasted := _pixTarget
-                _validCasted := _valid
+        )
+    {
+        assembly {
+            _amountCasted := _amount
+            _pixTargetCasted := _pixTarget
+            _validCasted := _valid
+        }
+    }
+
+    function _decBal(
+        uint256 _bal,
+        uint256 _amount,
+        ERC20 _t,
+        uint256 _k
+    ) private {
+        assembly {
+            if iszero(
+                iszero(
+                    or(
+                        iszero(_bal),
+                        lt(sub(_bal, _amount), 0x0)
+                    )
+                )
+            ) {
+                // DecOverflow()
+                mstore(0x00, 0xce3a3d37)
+                revert(0x1c, 0x04)
             }
         }
 
-    function getBalance(
-        address seller, 
-        ERC20 token
-    ) 
-        public 
-        view 
-        returns(uint256 bal)
-    {
-        bal = 
-            sellerBalance[
-                _castAddrToKey(seller)
-            ][token] & BITMASK_SB_ENTRY;
+        // we can directly dec from packed uint entry value
+        sellerBalance[_k][_t] -= _amount;
     }
 
-    function getValid(
-        address seller, 
-        ERC20 token
-    ) 
-        public 
-        view 
-        returns(bool valid)
+    function getBalance(address seller, ERC20 token)
+        public
+        view
+        returns (uint256 bal)
     {
-        uint256 b = 
-            (sellerBalance[
-                _castAddrToKey(seller)
-            ][token] >> BITPOS_VALID) & BITMASK_SB_ENTRY;
-        assembly { valid := b }
+        // bal =
+        // sellerBalance[_castAddrToKey(seller)][token] &
+        // BITMASK_SB_ENTRY;
+        assembly {
+            for {/*  */} iszero(0x0) {/*  */} {
+            mstore(0x00, shl(0xC,seller))
+            mstore(0x20, sellerBalance.slot)
+            let sbkslot := keccak256(0x00, 0x40)
+            mstore(0x00, token)
+            mstore(0x20, sbkslot)
+            bal := and(
+                BITMASK_SB_ENTRY,
+                sload(keccak256(0x00,0x40)
+                )) break
+            }}
     }
 
-    function getPixTarget(
-        address seller,
+    function getValid(address seller, ERC20 token)
+        public
+        view
+        returns (bool valid)
+    {
+        // uint256 b = sellerBalance[
+        // _castAddrToKey(seller)
+        // ][token];
+        // ] >> BITPOS_VALID) & BITMASK_SB_ENTRY;
+        assembly {
+            for {/*  */} iszero(0x0) {/*  */} {
+            mstore(0x00, shl(0xC,seller))
+            mstore(0x20, sellerBalance.slot)
+            let sbkslot := keccak256(0x00, 0x40)
+            mstore(0x00, token)
+            mstore(0x20, sbkslot)
+            valid := and(
+                BITMASK_SB_ENTRY, 
+                shr(
+                    BITPOS_VALID,
+                    sload(keccak256(0x00,0x40)
+                ))) break
+            }}
+    }
+
+    function getPixTarget(address seller, ERC20 token)
+        public
+        view
+        returns (uint160 pixTarget)
+    {
+        // pixTarget = uint160(
+        // sellerBalance[_castAddrToKey(seller)][token] >>
+        // BITPOS_PIXTARGET
+        // );
+        assembly {
+            for {/*  */} iszero(0) {/*  */} {
+            mstore(0,shl(12,seller))
+            mstore(32,sellerBalance.slot)
+            let sbkslot := keccak256(0,64)
+            mstore(0,token)
+            mstore(32,sbkslot)
+            pixTarget := shr(
+                BITPOS_PIXTARGET,
+                sload(keccak256(0,64)
+                )) break
+            }}
+    }
+
+    function getBalances(
+        address[] memory sellers, 
         ERC20 token
     ) 
-        public 
+        external 
         view 
-        returns(uint160 pixTarget)
+        returns(uint256[] memory balances) 
     {
-        pixTarget = 
-            uint160(
-                sellerBalance[
-                    _castAddrToKey(seller)
-                ][token] >> BITPOS_PIXTARGET
-            );
+        if(address(token) == address(0x0)) 
+            revert NoTokens();
+        if(sellers.length == 0) 
+            revert LengthMismatch();
+
+        uint256 j;
+        uint256 len = sellers.length;
+        while (j < len) { balances[j] = 
+            getBalance(sellers[j], token);
+        }
+
+        return balances;
     }
 
     /// @notice Public method that handles `address`
     /// to `uint256` safe type casting.
     /// @dev Function sighash: 0x4b2ae980.
-    function _castAddrToKey(
-        address _addr
-    ) public pure returns (uint256 _key) {
-        _key = uint256(uint160(address(_addr))) << 12;
+    function _castAddrToKey(address _addr)
+        public
+        pure
+        returns (uint256 _key)
+    {
+        // _key = uint256(uint160(address(_addr))) << 12;
+        assembly {
+            _key := shl(12,_addr)
+        }
     }
 
-    function _castKeyToAddr(
-        uint256 _key
-    ) public pure returns (address _addr) {
-        _addr = address(uint160(uint256(_key >> 12)));
+    function _castKeyToAddr(uint256 _key)
+        public
+        pure
+        returns (address _addr)
+    {
+        // _addr = address(uint160(uint256(_key >> 12)));
+        assembly {
+            _addr := shr(12,_key)
+        }
     }
 }
diff --git a/deploys/goerli.json b/deploys/goerli.json
new file mode 100644
index 0000000..a4073bd
--- /dev/null
+++ b/deploys/goerli.json
@@ -0,0 +1,8 @@
+{
+  "signers": [
+    "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
+    "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
+  ],
+  "p2pix": "0x2a54667b566B1Aa3779828720E6696AC18ae3f1b",
+  "token": "0x4A2886EAEc931e04297ed336Cc55c4eb7C75BA00"
+}
\ No newline at end of file
diff --git a/deploys/localhost.json b/deploys/localhost.json
index ad0c84f..9cd9d57 100644
--- a/deploys/localhost.json
+++ b/deploys/localhost.json
@@ -3,6 +3,6 @@
     "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
     "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
   ],
-  "p2pix": "0x37c856F4d5bC2597da60f607b1335738468453F3",
-  "token": "0x294003F602c321627152c6b7DED3EAb5bEa853Ee"
-}
+  "p2pix": "0xC86042E9F2977C62Da8c9dDF7F9c40fde4796A29",
+  "token": "0xD38D6367f452D097ccBfDe4490b7de570B6A72Db"
+}
\ No newline at end of file
diff --git a/deploys/polygon-mumbai.json b/deploys/polygon-mumbai.json
new file mode 100644
index 0000000..733a0da
--- /dev/null
+++ b/deploys/polygon-mumbai.json
@@ -0,0 +1,8 @@
+{
+  "signers": [
+    "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
+    "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
+  ],
+  "p2pix": "0x7F4680D114B43c4434FB604c7Bc6306125D32f28",
+  "token": "0xC86042E9F2977C62Da8c9dDF7F9c40fde4796A29"
+}
\ No newline at end of file
diff --git a/docs/callgraph.svg b/docs/callgraph.svg
index c79b893..281b7c0 100644
--- a/docs/callgraph.svg
+++ b/docs/callgraph.svg
@@ -1,776 +1,957 @@
 <?xml version="1.0" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="805pt" height="1835pt" viewBox="0.00 0.00 804.77 1835.00">
-<g id="graph0" class="graph" transform="translate(15.089466784527986,1733.566952255226) scale(0.9291606742509133)" data-name="G">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="841pt" height="1998pt" viewBox="0.00 0.00 841.22 1998.00">
+<g id="graph0" class="graph" transform="translate(4,1994) scale(1)" data-name="G">
 
-<polygon fill="#2e3e56" stroke="none" points="-4,4 -4,-1831 800.77,-1831 800.77,4 -4,4" style=""/>
+<polygon fill="#2e3e56" stroke="none" points="-4,4 -4,-1994 837.22,-1994 837.22,4 -4,4" style=""/>
 <g id="clust1" class="cluster" data-name="clusterP2PIX">
 
-<path fill="#445773" stroke="#445773" d="M20,-425C20,-425 776.77,-425 776.77,-425 782.77,-425 788.77,-431 788.77,-437 788.77,-437 788.77,-1670 788.77,-1670 788.77,-1676 782.77,-1682 776.77,-1682 776.77,-1682 20,-1682 20,-1682 14,-1682 8,-1676 8,-1670 8,-1670 8,-437 8,-437 8,-431 14,-425 20,-425" style=""/>
-<text text-anchor="middle" x="398.38" y="-1665.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">P2PIX</text>
+<path fill="#445773" stroke="#445773" d="M20,-286C20,-286 813.22,-286 813.22,-286 819.22,-286 825.22,-292 825.22,-298 825.22,-298 825.22,-1833 825.22,-1833 825.22,-1839 819.22,-1845 813.22,-1845 813.22,-1845 20,-1845 20,-1845 14,-1845 8,-1839 8,-1833 8,-1833 8,-298 8,-298 8,-292 14,-286 20,-286" style=""/>
+<text text-anchor="middle" x="416.61" y="-1828.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">P2PIX</text>
 </g>
-<g id="clust2" class="cluster" data-name="clusterDT">
+<g id="clust2" class="cluster" data-name="clusterSafeTransferLib">
 
-<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M270.03,-142C270.03,-142 344.19,-142 344.19,-142 350.19,-142 356.19,-148 356.19,-154 356.19,-154 356.19,-261 356.19,-261 356.19,-267 350.19,-273 344.19,-273 344.19,-273 270.03,-273 270.03,-273 264.03,-273 258.03,-267 258.03,-261 258.03,-261 258.03,-154 258.03,-154 258.03,-148 264.03,-142 270.03,-142" style=""/>
-<text text-anchor="middle" x="307.11" y="-256.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">DT</text>
+<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M456.84,-8C456.84,-8 609.27,-8 609.27,-8 615.27,-8 621.27,-14 621.27,-20 621.27,-20 621.27,-181 621.27,-181 621.27,-187 615.27,-193 609.27,-193 609.27,-193 456.84,-193 456.84,-193 450.84,-193 444.84,-187 444.84,-181 444.84,-181 444.84,-20 444.84,-20 444.84,-14 450.84,-8 456.84,-8" style=""/>
+<text text-anchor="middle" x="533.05" y="-176.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">SafeTransferLib</text>
 </g>
-<g id="clust3" class="cluster" data-name="clusterCounters.Counter">
+<g id="clust3" class="cluster" data-name="clusterDT">
 
-<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M491.15,-8C491.15,-8 582.44,-8 582.44,-8 588.44,-8 594.44,-14 594.44,-20 594.44,-20 594.44,-127 594.44,-127 594.44,-133 588.44,-139 582.44,-139 582.44,-139 491.15,-139 491.15,-139 485.15,-139 479.15,-133 479.15,-127 479.15,-127 479.15,-20 479.15,-20 479.15,-14 485.15,-8 491.15,-8" style=""/>
-<text text-anchor="middle" x="536.8" y="-122.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">Counters.Counter</text>
+<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M278.1,-171C278.1,-171 331.86,-171 331.86,-171 337.86,-171 343.86,-177 343.86,-183 343.86,-183 343.86,-236 343.86,-236 343.86,-242 337.86,-248 331.86,-248 331.86,-248 278.1,-248 278.1,-248 272.1,-248 266.1,-242 266.1,-236 266.1,-236 266.1,-183 266.1,-183 266.1,-177 272.1,-171 278.1,-171" style=""/>
+<text text-anchor="middle" x="304.98" y="-231.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">DT</text>
 </g>
-<g id="clust4" class="cluster" data-name="clusterSafeTransferLib">
+<g id="clust4" class="cluster" data-name="clusterMerkle">
 
-<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M460.58,-147C460.58,-147 613.01,-147 613.01,-147 619.01,-147 625.01,-153 625.01,-159 625.01,-159 625.01,-320 625.01,-320 625.01,-326 619.01,-332 613.01,-332 613.01,-332 460.58,-332 460.58,-332 454.58,-332 448.58,-326 448.58,-320 448.58,-320 448.58,-159 448.58,-159 448.58,-153 454.58,-147 460.58,-147" style=""/>
-<text text-anchor="middle" x="536.8" y="-315.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">SafeTransferLib</text>
+<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M502.96,-201C502.96,-201 563.15,-201 563.15,-201 569.15,-201 575.15,-207 575.15,-213 575.15,-213 575.15,-266 575.15,-266 575.15,-272 569.15,-278 563.15,-278 563.15,-278 502.96,-278 502.96,-278 496.96,-278 490.96,-272 490.96,-266 490.96,-266 490.96,-213 490.96,-213 490.96,-207 496.96,-201 502.96,-201" style=""/>
+<text text-anchor="middle" x="533.05" y="-261.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">Merkle</text>
 </g>
-<g id="clust5" class="cluster" data-name="clusterMerkle">
+<g id="clust5" class="cluster" data-name="cluster_01">
 
-<path fill="#3b4b63" stroke="#e8726d" stroke-dasharray="5,2" d="M506.7,-340C506.7,-340 566.89,-340 566.89,-340 572.89,-340 578.89,-346 578.89,-352 578.89,-352 578.89,-405 578.89,-405 578.89,-411 572.89,-417 566.89,-417 566.89,-417 506.7,-417 506.7,-417 500.7,-417 494.7,-411 494.7,-405 494.7,-405 494.7,-352 494.7,-352 494.7,-346 500.7,-340 506.7,-340" style=""/>
-<text text-anchor="middle" x="536.8" y="-400.4" font-family="Times,serif" font-size="14.00" fill="#f0f0f0" style="">Merkle</text>
-</g>
-<g id="clust6" class="cluster" data-name="cluster_01">
-
-<polygon fill="#2e3e56" stroke="black" points="21.61,-1690 21.61,-1819 342.11,-1819 342.11,-1690 21.61,-1690" style=""/>
-<text text-anchor="middle" x="181.86" y="-1802.4" font-family="Times,serif" font-size="14.00" style="">Legend</text>
+<polygon fill="#2e3e56" stroke="black" points="20.54,-1853 20.54,-1982 339.98,-1982 339.98,-1853 20.54,-1853" style=""/>
+<text text-anchor="middle" x="180.26" y="-1965.4" font-family="Times,serif" font-size="14.00" style="">Legend</text>
 </g>
 <!-- P2PIX.&lt;Constructor&gt; -->
 <g id="node1" class="node" pointer-events="visible" data-name="P2PIX.&lt;Constructor&gt;">
 
-<ellipse fill="#ff9797" stroke="brown" stroke-width="3" cx="94.61" cy="-1550" rx="67.55" ry="18" style=""/>
-<text text-anchor="middle" x="94.61" y="-1545.8" font-family="Times,serif" font-size="14.00" style="">&lt;Constructor&gt;</text>
+<ellipse fill="#ff9797" stroke="brown" stroke-width="3" cx="93.54" cy="-1713" rx="67.55" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-1708.8" font-family="Times,serif" font-size="14.00" style="">&lt;Constructor&gt;</text>
 </g>
 <!-- P2PIX.setReputation -->
 <g id="node10" class="node" pointer-events="visible" data-name="P2PIX.setReputation">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1577" rx="64.28" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1572.8" font-family="Times,serif" font-size="14.00" style="">setReputation</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1578" rx="64.28" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1573.8" font-family="Times,serif" font-size="14.00" style="">setReputation</text>
 </g>
 <!-- P2PIX.&lt;Constructor&gt;&#45;&gt;P2PIX.setReputation -->
 <g id="edge2" class="edge" data-name="P2PIX.&lt;Constructor&gt;-&gt;P2PIX.setReputation">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M157.63,-1557.95C181.59,-1561.03 209.16,-1564.57 234,-1567.75" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="233.34,-1571.19 243.7,-1569 234.23,-1564.25 233.34,-1571.19" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M109.19,-1694.04C128.87,-1669.85 166.15,-1628.34 207.08,-1605 216.35,-1599.71 226.71,-1595.41 237.12,-1591.93" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="237.86,-1595.36 246.4,-1589.09 235.81,-1588.67 237.86,-1595.36" style=""/>
 </g>
 <!-- P2PIX.setDefaultLockBlocks -->
 <g id="node11" class="node" pointer-events="visible" data-name="P2PIX.setDefaultLockBlocks">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1631" rx="97.28" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1626.8" font-family="Times,serif" font-size="14.00" style="">setDefaultLockBlocks</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1740" rx="97.28" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1735.8" font-family="Times,serif" font-size="14.00" style="">setDefaultLockBlocks</text>
 </g>
 <!-- P2PIX.&lt;Constructor&gt;&#45;&gt;P2PIX.setDefaultLockBlocks -->
 <g id="edge1" class="edge" data-name="P2PIX.&lt;Constructor&gt;-&gt;P2PIX.setDefaultLockBlocks">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M127.29,-1566.87C149.73,-1578.36 180.78,-1593.37 209.21,-1604 216.87,-1606.86 224.97,-1609.58 233.09,-1612.11" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M156.25,-1720.95C172.93,-1723.11 191.38,-1725.48 209.42,-1727.81" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="208.77,-1731.25 219.13,-1729.06 209.66,-1724.31 208.77,-1731.25" style=""/>
 </g>
 <!-- P2PIX.setValidSigners -->
 <g id="node12" class="node" pointer-events="visible" data-name="P2PIX.setValidSigners">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1469" rx="72.38" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1464.8" font-family="Times,serif" font-size="14.00" style="">setValidSigners</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1686" rx="72.38" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1681.8" font-family="Times,serif" font-size="14.00" style="">setValidSigners</text>
 </g>
 <!-- P2PIX.&lt;Constructor&gt;&#45;&gt;P2PIX.setValidSigners -->
 <g id="edge3" class="edge" data-name="P2PIX.&lt;Constructor&gt;-&gt;P2PIX.setValidSigners">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M127.29,-1533.13C149.73,-1521.64 180.78,-1506.63 209.21,-1496 219.21,-1492.26 229.95,-1488.77 240.51,-1485.62" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="241.23,-1489.06 249.87,-1482.93 239.29,-1482.33 241.23,-1489.06" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M156.25,-1705.05C178.03,-1702.24 202.83,-1699.04 225.8,-1696.08" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="226.24,-1699.55 235.71,-1694.8 225.34,-1692.61 226.24,-1699.55" style=""/>
 </g>
 <!-- P2PIX.tokenSettings -->
 <g id="node13" class="node" pointer-events="visible" data-name="P2PIX.tokenSettings">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1523" rx="63.72" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1518.8" font-family="Times,serif" font-size="14.00" style="">tokenSettings</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1794" rx="63.72" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1789.8" font-family="Times,serif" font-size="14.00" style="">tokenSettings</text>
 </g>
 <!-- P2PIX.&lt;Constructor&gt;&#45;&gt;P2PIX.tokenSettings -->
 <g id="edge4" class="edge" data-name="P2PIX.&lt;Constructor&gt;-&gt;P2PIX.tokenSettings">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M157.63,-1542.05C181.69,-1538.96 209.4,-1535.4 234.32,-1532.21" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="234.59,-1535.7 244.06,-1530.96 233.7,-1528.76 234.59,-1535.7" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M126.39,-1730.14C148.57,-1741.61 179.09,-1756.48 207.08,-1767 218.13,-1771.15 230.09,-1774.99 241.72,-1778.4" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="240.66,-1781.73 251.23,-1781.09 242.57,-1775 240.66,-1781.73" style=""/>
 </g>
 <!-- P2PIX.deposit -->
 <g id="node2" class="node" pointer-events="visible" data-name="P2PIX.deposit">
 
-<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="94.61" cy="-613" rx="38.86" ry="18" style=""/>
-<text text-anchor="middle" x="94.61" y="-608.8" font-family="Times,serif" font-size="14.00" style="">deposit</text>
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="93.54" cy="-1315" rx="38.86" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-1310.8" font-family="Times,serif" font-size="14.00" style="">deposit</text>
 </g>
 <!-- P2PIX.setRoot -->
 <g id="node8" class="node" pointer-events="visible" data-name="P2PIX.setRoot">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-869" rx="40.59" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-864.8" font-family="Times,serif" font-size="14.00" style="">setRoot</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1632" rx="40.59" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1627.8" font-family="Times,serif" font-size="14.00" style="">setRoot</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.setRoot -->
-<g id="edge10" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.setRoot">
+<g id="edge11" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.setRoot">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M101.45,-631.93C114.63,-671.86 150.22,-765.67 209.21,-822 223.54,-835.68 242.6,-846.08 260.02,-853.58" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="258.65,-856.8 269.23,-857.29 261.26,-850.31 258.65,-856.8" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M96.19,-1334.18C101.68,-1385.96 124.04,-1529.75 207.08,-1605 219.23,-1616.01 235.51,-1622.58 251.24,-1626.48" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="250.19,-1629.83 260.7,-1628.45 251.62,-1622.98 250.19,-1629.83" style=""/>
 </g>
-<!-- P2PIX._encodeDepositID -->
-<g id="node17" class="node" pointer-events="visible" data-name="P2PIX._encodeDepositID">
+<!-- P2PIX._castToUint -->
+<g id="node19" class="node" pointer-events="visible" data-name="P2PIX._castToUint">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-505" rx="83.38" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-500.8" font-family="Times,serif" font-size="14.00" style="">_encodeDepositID</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1524" rx="58.55" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1519.8" font-family="Times,serif" font-size="14.00" style="">_castToUint</text>
 </g>
-<!-- P2PIX.deposit&#45;&gt;P2PIX._encodeDepositID -->
-<g id="edge7" class="edge" data-name="P2PIX.deposit-&gt;P2PIX._encodeDepositID">
+<!-- P2PIX.deposit&#45;&gt;P2PIX._castToUint -->
+<g id="edge12" class="edge" data-name="P2PIX.deposit-&gt;P2PIX._castToUint">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M114.4,-596.43C135.93,-578.24 172.93,-549.33 209.21,-532 216.84,-528.36 225.04,-525.13 233.33,-522.29" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="234.14,-525.7 242.6,-519.32 232.01,-519.04 234.14,-525.7" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M100.9,-1333.95C114.36,-1371.09 149.31,-1453.6 207.08,-1497 216.11,-1503.78 226.76,-1508.86 237.64,-1512.67" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="236.46,-1515.96 247.04,-1515.55 238.51,-1509.27 236.46,-1515.96" style=""/>
+</g>
+<!-- P2PIX._castAddrToKey -->
+<g id="node25" class="node" pointer-events="visible" data-name="P2PIX._castAddrToKey">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-980" rx="77.58" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-975.8" font-family="Times,serif" font-size="14.00" style="">_castAddrToKey</text>
+</g>
+<!-- P2PIX.deposit&#45;&gt;P2PIX._castAddrToKey -->
+<g id="edge6" class="edge" data-name="P2PIX.deposit-&gt;P2PIX._castAddrToKey">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M104.52,-1296.43C121.42,-1266.95 158.6,-1209.94 207.08,-1182 283.68,-1137.87 338.08,-1207.13 402.88,-1147 449.97,-1103.3 394.14,-1053.11 438.88,-1007 443.38,-1002.36 448.63,-998.5 454.29,-995.3" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="455.36,-998.67 462.89,-991.21 452.36,-992.35 455.36,-998.67" style=""/>
 </g>
 <!-- P2PIX.ERC20 -->
-<g id="node22" class="node" pointer-events="visible" data-name="P2PIX.ERC20">
+<g id="node27" class="node" pointer-events="visible" data-name="P2PIX.ERC20">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-748" rx="39.45" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-743.8" font-family="Times,serif" font-size="14.00" style="">ERC20</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1142" rx="39.45" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1137.8" font-family="Times,serif" font-size="14.00" style="">ERC20</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.ERC20 -->
 <g id="edge5" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.ERC20">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M113.15,-630.04C134.11,-649.24 171.14,-679.64 209.21,-694 291.06,-724.86 318.92,-698.51 405.01,-714 433.52,-719.13 464.95,-727.22 489.86,-734.22" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="488.75,-737.55 499.33,-736.93 490.68,-730.82 488.75,-737.55" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M107.41,-1296.82C126.17,-1271.88 163.59,-1227.79 207.08,-1207 286.23,-1169.17 317.6,-1202.58 402.88,-1182 419.41,-1178.01 422.7,-1174.26 438.88,-1169 453.74,-1164.17 470.08,-1159.29 484.86,-1155.04" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="485.8,-1158.41 494.47,-1152.3 483.89,-1151.67 485.8,-1158.41" style=""/>
+</g>
+<!-- P2PIX.EmptyPixTarget -->
+<g id="node28" class="node" pointer-events="visible" data-name="P2PIX.EmptyPixTarget">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1234" rx="74.74" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1229.8" font-family="Times,serif" font-size="14.00" style="">EmptyPixTarget</text>
+</g>
+<!-- P2PIX.deposit&#45;&gt;P2PIX.EmptyPixTarget -->
+<g id="edge7" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.EmptyPixTarget">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M120.8,-1300.78C143.25,-1289.01 176.65,-1272.44 207.08,-1261 216.73,-1257.37 227.08,-1253.99 237.29,-1250.92" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="238.09,-1254.33 246.72,-1248.18 236.14,-1247.61 238.09,-1254.33" style=""/>
 </g>
 <!-- P2PIX.TokenDenied -->
-<g id="node23" class="node" pointer-events="visible" data-name="P2PIX.TokenDenied">
+<g id="node29" class="node" pointer-events="visible" data-name="P2PIX.TokenDenied">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-559" rx="63.69" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-554.8" font-family="Times,serif" font-size="14.00" style="">TokenDenied</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1288" rx="63.69" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1283.8" font-family="Times,serif" font-size="14.00" style="">TokenDenied</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.TokenDenied -->
-<g id="edge6" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.TokenDenied">
+<g id="edge8" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.TokenDenied">
 
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-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="245.77,-578.09 254.58,-572.22 244.03,-571.31 245.77,-578.09" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M132.47,-1310.11C160.27,-1306.53 198.86,-1301.55 232.39,-1297.23" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="232.49,-1300.75 241.96,-1296 231.59,-1293.8 232.49,-1300.75" style=""/>
+</g>
+<!-- P2PIX.MaxBalExceeded -->
+<g id="node30" class="node" pointer-events="visible" data-name="P2PIX.MaxBalExceeded">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1352" rx="79.85" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1347.8" font-family="Times,serif" font-size="14.00" style="">MaxBalExceeded</text>
+</g>
+<!-- P2PIX.deposit&#45;&gt;P2PIX.MaxBalExceeded -->
+<g id="edge9" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.MaxBalExceeded">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M118.4,-1330.36C140.42,-1343.56 174.54,-1361.6 207.08,-1369 292.04,-1388.33 392.57,-1378.2 459.08,-1367.09" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="459.68,-1370.54 468.93,-1365.38 458.48,-1363.64 459.68,-1370.54" style=""/>
 </g>
 <!-- P2PIX.setReentrancyGuard -->
-<g id="node24" class="node" pointer-events="visible" data-name="P2PIX.setReentrancyGuard">
+<g id="node31" class="node" pointer-events="visible" data-name="P2PIX.setReentrancyGuard">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-667" rx="89.73" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-662.8" font-family="Times,serif" font-size="14.00" style="">setReentrancyGuard</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1342" rx="89.73" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1337.8" font-family="Times,serif" font-size="14.00" style="">setReentrancyGuard</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.setReentrancyGuard -->
-<g id="edge9" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.setReentrancyGuard">
+<g id="edge10" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.setReentrancyGuard">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M130.37,-621.92C158.99,-629.26 200.48,-639.9 235.96,-649.01" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="234.74,-652.31 245.3,-651.4 236.48,-645.53 234.74,-652.31" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M132.47,-1319.89C155.37,-1322.84 185.58,-1326.74 214.26,-1330.43" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="213.49,-1333.86 223.86,-1331.67 214.39,-1326.92 213.49,-1333.86" style=""/>
+</g>
+<!-- P2PIX.address -->
+<g id="node32" class="node" pointer-events="visible" data-name="P2PIX.address">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-582" rx="40" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-577.8" font-family="Times,serif" font-size="14.00" style="">address</text>
+</g>
+<!-- P2PIX.deposit&#45;&gt;P2PIX.address -->
+<g id="edge14" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M99.36,-1295.76C112.4,-1243.12 148.93,-1092.15 171.08,-965 181.7,-904.07 165.28,-734.59 207.08,-689 267.3,-623.34 325.02,-689.31 402.88,-646 422.93,-634.85 419.2,-620.81 438.88,-609 451.83,-601.22 467.15,-595.58 481.59,-591.53" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="482.21,-594.99 491.03,-589.12 480.47,-588.21 482.21,-594.99" style=""/>
 </g>
 <!-- P2PIX.clearReentrancyGuard -->
-<g id="node25" class="node" pointer-events="visible" data-name="P2PIX.clearReentrancyGuard">
+<g id="node33" class="node" pointer-events="visible" data-name="P2PIX.clearReentrancyGuard">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-741" rx="97.79" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-736.8" font-family="Times,serif" font-size="14.00" style="">clearReentrancyGuard</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1416" rx="97.79" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1411.8" font-family="Times,serif" font-size="14.00" style="">clearReentrancyGuard</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.clearReentrancyGuard -->
-<g id="edge13" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.clearReentrancyGuard">
+<g id="edge15" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.clearReentrancyGuard">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M111.76,-630.22C132.5,-651.43 170.46,-687.31 209.21,-709 217.29,-713.52 226.11,-717.53 235.03,-721.05" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="233.76,-724.31 244.35,-724.49 236.18,-717.74 233.76,-724.31" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M116.53,-1330.61C138.62,-1345.76 174.03,-1368.66 207.08,-1384 216.34,-1388.29 226.33,-1392.28 236.26,-1395.87" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="234.84,-1399.08 245.43,-1399.06 237.14,-1392.47 234.84,-1399.08" style=""/>
 </g>
 <!-- P2PIX.DepositAdded -->
-<g id="node26" class="node" pointer-events="visible" data-name="P2PIX.DepositAdded">
+<g id="node34" class="node" pointer-events="visible" data-name="P2PIX.DepositAdded">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-795" rx="66.65" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-790.8" font-family="Times,serif" font-size="14.00" style="">DepositAdded</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1470" rx="66.65" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1465.8" font-family="Times,serif" font-size="14.00" style="">DepositAdded</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;P2PIX.DepositAdded -->
-<g id="edge14" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.DepositAdded">
+<g id="edge16" class="edge" data-name="P2PIX.deposit-&gt;P2PIX.DepositAdded">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M104.22,-631.92C120.14,-664.74 157.35,-732.13 209.21,-768 217.15,-773.49 226.18,-777.87 235.46,-781.36" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="234.26,-784.65 244.86,-784.5 236.48,-778.01 234.26,-784.65" style=""/>
-</g>
-<!-- DT.Deposit -->
-<g id="node46" class="node" pointer-events="visible" data-name="DT.Deposit">
-
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-168" rx="41.16" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-163.8" font-family="Times,serif" font-size="14.00" style="">Deposit</text>
-</g>
-<!-- P2PIX.deposit&#45;&gt;DT.Deposit -->
-<g id="edge8" class="edge" data-name="P2PIX.deposit-&gt;DT.Deposit">
-
-<path fill="none" stroke="white" stroke-width="2" d="M117.45,-597.05C135.71,-582.37 160.73,-558.84 173.21,-532 204.97,-463.71 160.54,-252.47 209.21,-195 219.9,-182.38 235.94,-175.4 251.91,-171.62" style=""/>
-<polygon fill="white" stroke="white" stroke-width="2" points="252.44,-175.08 261.62,-169.79 251.14,-168.2 252.44,-175.08" style=""/>
-</g>
-<!-- Counters.Counter.increment -->
-<g id="node48" class="node" pointer-events="visible" data-name="Counters.Counter.increment">
-
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-34" rx="49.79" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-29.8" font-family="Times,serif" font-size="14.00" style="">increment</text>
-</g>
-<!-- P2PIX.deposit&#45;&gt;Counters.Counter.increment -->
-<g id="edge11" class="edge" data-name="P2PIX.deposit-&gt;Counters.Counter.increment">
-
-<path fill="none" stroke="white" stroke-width="2" d="M116.91,-596.78C134.83,-581.93 159.65,-558.31 173.21,-532 212.41,-456 153.03,-407.46 209.21,-343 269.55,-273.78 345.47,-346.91 405.01,-277 468.11,-202.9 376.16,-133.57 441.01,-61 449.73,-51.24 461.7,-44.9 474.21,-40.81" style=""/>
-<polygon fill="white" stroke="white" stroke-width="2" points="475.11,-44.19 483.86,-38.21 473.3,-37.43 475.11,-44.19" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M105.59,-1333.26C123.42,-1361.17 161.22,-1414.21 207.08,-1443 215.51,-1448.29 224.98,-1452.56 234.61,-1456.01" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="233.37,-1459.28 243.96,-1459.02 235.51,-1452.62 233.37,-1459.28" style=""/>
 </g>
 <!-- SafeTransferLib.safeTransferFrom -->
-<g id="node50" class="node" pointer-events="visible" data-name="SafeTransferLib.safeTransferFrom">
+<g id="node58" class="node" pointer-events="visible" data-name="SafeTransferLib.safeTransferFrom">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-227" rx="80.43" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-222.8" font-family="Times,serif" font-size="14.00" style="">safeTransferFrom</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-34" rx="80.43" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-29.8" font-family="Times,serif" font-size="14.00" style="">safeTransferFrom</text>
 </g>
 <!-- P2PIX.deposit&#45;&gt;SafeTransferLib.safeTransferFrom -->
-<g id="edge12" class="edge" data-name="P2PIX.deposit-&gt;SafeTransferLib.safeTransferFrom">
+<g id="edge13" class="edge" data-name="P2PIX.deposit-&gt;SafeTransferLib.safeTransferFrom">
 
-<path fill="none" stroke="white" stroke-width="2" d="M116.16,-596.86C133.85,-581.89 158.75,-558.05 173.21,-532 204.62,-475.46 163.26,-436.51 209.21,-391 272.87,-327.95 337.26,-401.63 405.01,-343 437.27,-315.08 409.27,-282.52 441.01,-254 445.82,-249.68 451.27,-246.05 457.08,-242.99" style=""/>
-<polygon fill="white" stroke="white" stroke-width="2" points="458.15,-246.34 465.83,-239.04 455.28,-239.96 458.15,-246.34" style=""/>
+<path fill="none" stroke="white" stroke-width="2" d="M99.88,-1295.85C114.26,-1243.41 153.83,-1092.91 171.08,-965 181.2,-890.02 156.72,-341.46 207.08,-285 265.82,-219.14 339.88,-313.79 402.88,-252 464.55,-191.51 380.79,-124.94 438.88,-61 442.81,-56.68 447.38,-53.03 452.35,-49.95" style=""/>
+<polygon fill="white" stroke="white" stroke-width="2" points="453.79,-53.15 461.09,-45.47 450.59,-46.92 453.79,-53.15" style=""/>
 </g>
-<!-- P2PIX.cancelDeposit -->
-<g id="node3" class="node" pointer-events="visible" data-name="P2PIX.cancelDeposit">
+<!-- P2PIX.setValidState -->
+<g id="node3" class="node" pointer-events="visible" data-name="P2PIX.setValidState">
 
-<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="307.11" cy="-1017" rx="65.97" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1012.8" font-family="Times,serif" font-size="14.00" style="">cancelDeposit</text>
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="304.98" cy="-420" rx="62.56" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-415.8" font-family="Times,serif" font-size="14.00" style="">setValidState</text>
 </g>
-<!-- P2PIX._onlySeller -->
-<g id="node15" class="node" pointer-events="visible" data-name="P2PIX._onlySeller">
+<!-- P2PIX.setValidState&#45;&gt;P2PIX._castAddrToKey -->
+<g id="edge17" class="edge" data-name="P2PIX.setValidState-&gt;P2PIX._castAddrToKey">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-963" rx="55.62" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-958.8" font-family="Times,serif" font-size="14.00" style="">_onlySeller</text>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M366.61,-425.02C380.46,-429.07 393.76,-435.84 402.88,-447 474.2,-534.3 368,-865.34 438.88,-953 442.61,-957.62 447.08,-961.48 452.02,-964.7" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="450.32,-967.76 460.8,-969.36 453.6,-961.57 450.32,-967.76" style=""/>
 </g>
-<!-- P2PIX.cancelDeposit&#45;&gt;P2PIX._onlySeller -->
-<g id="edge15" class="edge" data-name="P2PIX.cancelDeposit-&gt;P2PIX._onlySeller">
+<!-- P2PIX.setValidState&#45;&gt;P2PIX.address -->
+<g id="edge19" class="edge" data-name="P2PIX.setValidState-&gt;P2PIX.address">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M359.49,-1004.81C394.46,-996.52 440.8,-985.53 477.2,-976.9" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="477.76,-980.36 486.68,-974.65 476.15,-973.55 477.76,-980.36" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M364.79,-426.71C378.66,-430.74 392.44,-437.07 402.88,-447 439.54,-481.87 402.4,-519.94 438.88,-555 450.07,-565.76 465.29,-572.27 480.17,-576.2" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="479.03,-579.53 489.55,-578.27 480.54,-572.7 479.03,-579.53" style=""/>
 </g>
-<!-- P2PIX.DepositClosed -->
-<g id="node27" class="node" pointer-events="visible" data-name="P2PIX.DepositClosed">
+<!-- P2PIX.ValidSet -->
+<g id="node35" class="node" pointer-events="visible" data-name="P2PIX.ValidSet">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-1017" rx="67.81" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-1012.8" font-family="Times,serif" font-size="14.00" style="">DepositClosed</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-528" rx="44.66" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-523.8" font-family="Times,serif" font-size="14.00" style="">ValidSet</text>
 </g>
-<!-- P2PIX.cancelDeposit&#45;&gt;P2PIX.DepositClosed -->
-<g id="edge16" class="edge" data-name="P2PIX.cancelDeposit-&gt;P2PIX.DepositClosed">
+<!-- P2PIX.setValidState&#45;&gt;P2PIX.ValidSet -->
+<g id="edge18" class="edge" data-name="P2PIX.setValidState-&gt;P2PIX.ValidSet">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M374.58,-1017C399.73,-1017 428.64,-1017 454.97,-1017" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="454.64,-1020.5 464.64,-1017 454.64,-1013.5 454.64,-1020.5" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M362.34,-428.53C376.48,-432.52 391,-438.39 402.88,-447 426.23,-463.93 415.61,-483.95 438.88,-501 449.99,-509.15 463.53,-514.85 476.79,-518.83" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="475.86,-522.2 486.42,-521.37 477.64,-515.43 475.86,-522.2" style=""/>
+</g>
+<!-- P2PIX.NotInitialized -->
+<g id="node36" class="node" pointer-events="visible" data-name="P2PIX.NotInitialized">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-474" rx="64.84" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-469.8" font-family="Times,serif" font-size="14.00" style="">NotInitialized</text>
+</g>
+<!-- P2PIX.setValidState&#45;&gt;P2PIX.NotInitialized -->
+<g id="edge20" class="edge" data-name="P2PIX.setValidState-&gt;P2PIX.NotInitialized">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M355.59,-431.85C388.96,-439.82 433.23,-450.4 469.08,-458.96" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="467.9,-462.27 478.44,-461.19 469.53,-455.47 467.9,-462.27" style=""/>
 </g>
 <!-- P2PIX.lock -->
 <g id="node4" class="node" pointer-events="visible" data-name="P2PIX.lock">
 
-<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="94.61" cy="-1206" rx="27.83" ry="18" style=""/>
-<text text-anchor="middle" x="94.61" y="-1201.8" font-family="Times,serif" font-size="14.00" style="">lock</text>
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="93.54" cy="-938" rx="27.83" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-933.8" font-family="Times,serif" font-size="14.00" style="">lock</text>
 </g>
 <!-- P2PIX.unlockExpired -->
 <g id="node6" class="node" pointer-events="visible" data-name="P2PIX.unlockExpired">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1071" rx="67.78" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1066.8" font-family="Times,serif" font-size="14.00" style="">unlockExpired</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-790" rx="67.78" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-785.8" font-family="Times,serif" font-size="14.00" style="">unlockExpired</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX.unlockExpired -->
-<g id="edge17" class="edge" data-name="P2PIX.lock-&gt;P2PIX.unlockExpired">
+<g id="edge21" class="edge" data-name="P2PIX.lock-&gt;P2PIX.unlockExpired">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M108.76,-1189.09C128.18,-1165.26 166.84,-1122.03 209.21,-1098 217.92,-1093.06 227.58,-1088.98 237.34,-1085.62" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M106.78,-920.91C125.61,-895.79 164.05,-848.97 207.08,-822 216.95,-815.82 228.14,-810.7 239.32,-806.51" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="240.22,-809.9 248.52,-803.31 237.93,-803.29 240.22,-809.9" style=""/>
 </g>
-<!-- P2PIX._encodeLockID -->
-<g id="node18" class="node" pointer-events="visible" data-name="P2PIX._encodeLockID">
+<!-- P2PIX._addLock -->
+<g id="node16" class="node" pointer-events="visible" data-name="P2PIX._addLock">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-1324" rx="73.48" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-1319.8" font-family="Times,serif" font-size="14.00" style="">_encodeLockID</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1120" rx="49.8" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1115.8" font-family="Times,serif" font-size="14.00" style="">_addLock</text>
 </g>
-<!-- P2PIX.lock&#45;&gt;P2PIX._encodeLockID -->
-<g id="edge20" class="edge" data-name="P2PIX.lock-&gt;P2PIX._encodeLockID">
+<!-- P2PIX.lock&#45;&gt;P2PIX._addLock -->
+<g id="edge32" class="edge" data-name="P2PIX.lock-&gt;P2PIX._addLock">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="265.48,-1102.84 276.07,-1102.38 267.51,-1096.14 265.48,-1102.84" style=""/>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX._addLock -->
+<g id="edge33" class="edge" data-name="P2PIX.lock-&gt;P2PIX._addLock">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M102.78,-956.41C118.34,-989.03 155.19,-1056.95 207.08,-1093 218.17,-1100.7 231.39,-1106.22 244.45,-1110.16" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="243.36,-1113.49 253.93,-1112.7 245.17,-1106.73 243.36,-1113.49" style=""/>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX._addLock -->
+<g id="edge37" class="edge" data-name="P2PIX.lock-&gt;P2PIX._addLock">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M99.12,-957.03C111.86,-994.62 150.55,-1071.72 207.08,-1111 219.84,-1119.86 235.43,-1125.83 250.34,-1129.08" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="249.76,-1132.53 260.2,-1130.74 250.92,-1125.63 249.76,-1132.53" style=""/>
 </g>
 <!-- P2PIX.merkleVerify -->
-<g id="node19" class="node" pointer-events="visible" data-name="P2PIX.merkleVerify">
+<g id="node17" class="node" pointer-events="visible" data-name="P2PIX.merkleVerify">
 
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-<text text-anchor="middle" x="307.11" y="-1120.8" font-family="Times,serif" font-size="14.00" style="">merkleVerify</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-602" rx="63.1" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-597.8" font-family="Times,serif" font-size="14.00" style="">merkleVerify</text>
 </g>
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-<g id="edge22" class="edge" data-name="P2PIX.lock-&gt;P2PIX.merkleVerify">
+<g id="edge31" class="edge" data-name="P2PIX.lock-&gt;P2PIX.merkleVerify">
 
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M96.01,-918.9C101.1,-865.89 122.65,-715.48 207.08,-634 215.28,-626.09 225.47,-620.13 236.14,-615.65" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="237.28,-618.96 245.46,-612.23 234.87,-612.39 237.28,-618.96" style=""/>
 </g>
 <!-- P2PIX._limiter -->
-<g id="node20" class="node" pointer-events="visible" data-name="P2PIX._limiter">
+<g id="node18" class="node" pointer-events="visible" data-name="P2PIX._limiter">
 
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-<text text-anchor="middle" x="307.11" y="-1174.8" font-family="Times,serif" font-size="14.00" style="">_limiter</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-1066" rx="41.72" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-1061.8" font-family="Times,serif" font-size="14.00" style="">_limiter</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX._limiter -->
-<g id="edge26" class="edge" data-name="P2PIX.lock-&gt;P2PIX._limiter">
+<g id="edge35" class="edge" data-name="P2PIX.lock-&gt;P2PIX._limiter">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M123.13,-1202.47C155.91,-1198.27 211.42,-1191.14 252.73,-1185.85" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M109.45,-954.13C129.71,-975.19 167.92,-1011.96 207.08,-1034 221.7,-1042.23 238.76,-1048.75 254.46,-1053.7" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="253.2,-1056.97 263.78,-1056.47 255.19,-1050.26 253.2,-1056.97" style=""/>
 </g>
-<!-- P2PIX._castAddrToKey -->
-<g id="node21" class="node" pointer-events="visible" data-name="P2PIX._castAddrToKey">
+<!-- P2PIX.getBalance -->
+<g id="node21" class="node" pointer-events="visible" data-name="P2PIX.getBalance">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="536.8" cy="-906" rx="77.58" ry="18" style=""/>
-<text text-anchor="middle" x="536.8" y="-901.8" font-family="Times,serif" font-size="14.00" style="">_castAddrToKey</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-690" rx="53.86" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-685.8" font-family="Times,serif" font-size="14.00" style="">getBalance</text>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX.getBalance -->
+<g id="edge25" class="edge" data-name="P2PIX.lock-&gt;P2PIX.getBalance">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M96.39,-918.93C102.25,-870.31 125.17,-741.87 207.08,-689 289.97,-635.5 411.25,-655.56 479.8,-673.64" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="478.47,-676.91 489.04,-676.18 480.32,-670.16 478.47,-676.91" style=""/>
+</g>
+<!-- P2PIX.getValid -->
+<g id="node22" class="node" pointer-events="visible" data-name="P2PIX.getValid">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-548" rx="44.08" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-543.8" font-family="Times,serif" font-size="14.00" style="">getValid</text>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX.getValid -->
+<g id="edge23" class="edge" data-name="P2PIX.lock-&gt;P2PIX.getValid">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M94.47,-918.58C95.36,-858.32 106.52,-672.7 207.08,-575 218.14,-564.26 233.09,-557.71 247.94,-553.75" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="248.35,-557.24 257.35,-551.65 246.83,-550.41 248.35,-557.24" style=""/>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX._castAddrToKey -->
-<g id="edge23" class="edge" data-name="P2PIX.lock-&gt;P2PIX._castAddrToKey">
+<g id="edge27" class="edge" data-name="P2PIX.lock-&gt;P2PIX._castAddrToKey">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="454.02,-997.03 462.63,-990.86 452.05,-990.31 454.02,-997.03" style=""/>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX._castAddrToKey -->
-<g id="edge25" class="edge" data-name="P2PIX.lock-&gt;P2PIX._castAddrToKey">
+<g id="edge34" class="edge" data-name="P2PIX.lock-&gt;P2PIX._castAddrToKey">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M100.98,-1187.26C112.46,-1145.94 143.82,-1048.1 209.21,-999 280.24,-945.67 319.8,-984.07 405.01,-959 421.48,-954.15 424.82,-950.7 441.01,-945 457.32,-939.25 475.39,-933.41 491.34,-927.88" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="492.49,-931.19 500.74,-924.54 490.15,-924.59 492.49,-931.19" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M105.62,-955.32C124.37,-977.73 164.47,-1014.26 207.08,-1028 289.9,-1054.71 316.98,-1041.94 402.88,-1028 419.52,-1025.3 422.77,-1021.01 438.88,-1016 454.2,-1011.23 471.03,-1006.27 486.12,-1001.45" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="487.03,-1004.84 495.44,-998.4 484.85,-998.19 487.03,-1004.84" style=""/>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX.ERC20 -->
+<g id="edge22" class="edge" data-name="P2PIX.lock-&gt;P2PIX.ERC20">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M109.86,-922.01C129.99,-902.28 167.45,-869.78 207.08,-857 289.9,-830.29 337.23,-799.88 402.88,-857 490.22,-933 363.09,-1027.48 438.88,-1115 449.21,-1126.94 464.47,-1133.75 479.67,-1137.59" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="478.84,-1141 489.34,-1139.57 480.24,-1134.14 478.84,-1141" style=""/>
+</g>
+<!-- P2PIX.lock&#45;&gt;P2PIX.address -->
+<g id="edge30" class="edge" data-name="P2PIX.lock-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M95.74,-918.93C100.11,-866.86 119.95,-721.66 207.08,-654 276.37,-600.2 319.52,-656.35 402.88,-629 420.27,-623.29 421.98,-616.04 438.88,-609 453.07,-603.09 468.98,-597.96 483.59,-593.81" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="484.37,-597.23 493.09,-591.22 482.52,-590.47 484.37,-597.23" style=""/>
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 <!-- P2PIX.InvalidDeposit -->
-<g id="node28" class="node" pointer-events="visible" data-name="P2PIX.InvalidDeposit">
+<g id="node37" class="node" pointer-events="visible" data-name="P2PIX.InvalidDeposit">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1233" rx="68.36" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1228.8" font-family="Times,serif" font-size="14.00" style="">InvalidDeposit</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-884" rx="68.36" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-879.8" font-family="Times,serif" font-size="14.00" style="">InvalidDeposit</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX.InvalidDeposit -->
-<g id="edge18" class="edge" data-name="P2PIX.lock-&gt;P2PIX.InvalidDeposit">
+<g id="edge24" class="edge" data-name="P2PIX.lock-&gt;P2PIX.InvalidDeposit">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M123.13,-1209.53C150.46,-1213.04 193.6,-1218.57 231.13,-1223.38" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M120.64,-931.27C150.59,-923.55 200.75,-910.62 241.04,-900.23" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="241.73,-903.67 250.53,-897.78 239.98,-896.89 241.73,-903.67" style=""/>
 </g>
 <!-- P2PIX.NotEnoughTokens -->
-<g id="node29" class="node" pointer-events="visible" data-name="P2PIX.NotEnoughTokens">
+<g id="node38" class="node" pointer-events="visible" data-name="P2PIX.NotEnoughTokens">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1287" rx="83.98" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1282.8" font-family="Times,serif" font-size="14.00" style="">NotEnoughTokens</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-938" rx="83.98" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-933.8" font-family="Times,serif" font-size="14.00" style="">NotEnoughTokens</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX.NotEnoughTokens -->
-<g id="edge19" class="edge" data-name="P2PIX.lock-&gt;P2PIX.NotEnoughTokens">
+<g id="edge26" class="edge" data-name="P2PIX.lock-&gt;P2PIX.NotEnoughTokens">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M117.75,-1217.92C140.29,-1229.73 176.48,-1247.77 209.21,-1260 217.87,-1263.24 227.09,-1266.29 236.28,-1269.1" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M122.79,-938C144.67,-938 176.35,-938 207.12,-938" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="206.73,-941.5 216.73,-938 206.73,-934.5 206.73,-941.5" style=""/>
 </g>
-<!-- P2PIX.LockAdded -->
-<g id="node30" class="node" pointer-events="visible" data-name="P2PIX.LockAdded">
+<!-- P2PIX.NotExpired -->
+<g id="node39" class="node" pointer-events="visible" data-name="P2PIX.NotExpired">
 
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-<text text-anchor="middle" x="307.11" y="-1336.8" font-family="Times,serif" font-size="14.00" style="">LockAdded</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="740.22" cy="-1187" rx="56.18" ry="18" style=""/>
+<text text-anchor="middle" x="740.22" y="-1182.8" font-family="Times,serif" font-size="14.00" style="">NotExpired</text>
 </g>
-<!-- P2PIX.lock&#45;&gt;P2PIX.LockAdded -->
-<g id="edge24" class="edge" data-name="P2PIX.lock-&gt;P2PIX.LockAdded">
+<!-- P2PIX.lock&#45;&gt;P2PIX.NotExpired -->
+<g id="edge28" class="edge" data-name="P2PIX.lock-&gt;P2PIX.NotExpired">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M112.55,-1221.06C132.95,-1242.98 169.45,-1282.45 209.21,-1305 223.36,-1313.02 240.03,-1318.78 255.52,-1323.29" style=""/>
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-<!-- P2PIX.lock&#45;&gt;P2PIX.LockAdded -->
-<g id="edge28" class="edge" data-name="P2PIX.lock-&gt;P2PIX.LockAdded">
-
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M105.4,-1224.07C123.44,-1250.36 164.24,-1297.49 209.21,-1323 217.86,-1327.91 227.46,-1331.97 237.16,-1335.21" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M99.45,-957.04C111.01,-998.03 143.84,-1095.11 207.08,-1147 277.44,-1204.73 333.06,-1148.61 402.88,-1207 429.71,-1229.45 409.01,-1258.78 438.88,-1277 510.34,-1320.61 548.27,-1304.8 627.23,-1277 662.12,-1264.72 694.17,-1236.47 714.96,-1214.87" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="717.37,-1217.41 721.63,-1207.71 712.25,-1212.64 717.37,-1217.41" style=""/>
 </g>
 <!-- P2PIX.AmountNotAllowed -->
-<g id="node31" class="node" pointer-events="visible" data-name="P2PIX.AmountNotAllowed">
+<g id="node40" class="node" pointer-events="visible" data-name="P2PIX.AmountNotAllowed">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-1395" rx="90.37" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-1390.8" font-family="Times,serif" font-size="14.00" style="">AmountNotAllowed</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-992" rx="90.37" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-987.8" font-family="Times,serif" font-size="14.00" style="">AmountNotAllowed</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;P2PIX.AmountNotAllowed -->
-<g id="edge27" class="edge" data-name="P2PIX.lock-&gt;P2PIX.AmountNotAllowed">
+<g id="edge36" class="edge" data-name="P2PIX.lock-&gt;P2PIX.AmountNotAllowed">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M103.38,-1224.44C118.58,-1258.21 155.5,-1330.02 209.21,-1368 214.25,-1371.56 219.74,-1374.65 225.47,-1377.34" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M120.64,-944.73C148.78,-951.99 194.77,-963.84 233.64,-973.87" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="232.76,-977.25 243.32,-976.36 234.51,-970.47 232.76,-977.25" style=""/>
 </g>
 <!-- DT.Lock -->
-<g id="node47" class="node" pointer-events="visible" data-name="DT.Lock">
+<g id="node61" class="node" pointer-events="visible" data-name="DT.Lock">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-222" rx="30.76" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-217.8" font-family="Times,serif" font-size="14.00" style="">Lock</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-197" rx="30.76" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-192.8" font-family="Times,serif" font-size="14.00" style="">Lock</text>
 </g>
 <!-- P2PIX.lock&#45;&gt;DT.Lock -->
-<g id="edge21" class="edge" data-name="P2PIX.lock-&gt;DT.Lock">
+<g id="edge29" class="edge" data-name="P2PIX.lock-&gt;DT.Lock">
 
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+<path fill="none" stroke="white" stroke-width="2" d="M98.9,-919.02C111.55,-863.46 148.76,-696.27 171.08,-556 181.77,-488.82 169.45,-308.67 207.08,-252 220.44,-231.89 243.8,-218.31 264.24,-209.68" style=""/>
+<polygon fill="white" stroke="white" stroke-width="2" points="265.28,-213.03 273.33,-206.15 262.74,-206.51 265.28,-213.03" style=""/>
 </g>
 <!-- P2PIX.release -->
 <g id="node5" class="node" pointer-events="visible" data-name="P2PIX.release">
 
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+<text text-anchor="middle" x="304.98" y="-711.8" font-family="Times,serif" font-size="14.00" style="">release</text>
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 <!-- P2PIX.AlreadyReleased -->
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+<text text-anchor="middle" x="740.22" y="-875.8" font-family="Times,serif" font-size="14.00" style="">AlreadyReleased</text>
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+<!-- P2PIX.LockExpired -->
+<g id="node42" class="node" pointer-events="visible" data-name="P2PIX.LockExpired">
+
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+<text text-anchor="middle" x="533.05" y="-921.8" font-family="Times,serif" font-size="14.00" style="">LockExpired</text>
+</g>
+<!-- P2PIX.release&#45;&gt;P2PIX.LockExpired -->
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+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M343.4,-719.56C363.69,-723.42 387.66,-731.43 402.88,-748 449.55,-798.81 391.28,-849.06 438.88,-899 445.35,-905.79 453.41,-910.9 462.07,-914.75" style=""/>
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 <!-- P2PIX.TxAlreadyUsed -->
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+<text text-anchor="middle" x="533.05" y="-759.8" font-family="Times,serif" font-size="14.00" style="">TxAlreadyUsed</text>
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+<g id="edge40" class="edge" data-name="P2PIX.release-&gt;P2PIX.TxAlreadyUsed">
 
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+<text text-anchor="middle" x="533.05" y="-813.8" font-family="Times,serif" font-size="14.00" style="">InvalidSigner</text>
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 <!-- P2PIX.LockReleased -->
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+<text text-anchor="middle" x="533.05" y="-867.8" font-family="Times,serif" font-size="14.00" style="">LockReleased</text>
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+<text text-anchor="middle" x="533.05" y="-137.8" font-family="Times,serif" font-size="14.00" style="">safeTransfer</text>
 </g>
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 <!-- P2PIX._notExpired -->
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+<text text-anchor="middle" x="533.05" y="-1083.8" font-family="Times,serif" font-size="14.00" style="">_notExpired</text>
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+<!-- P2PIX.unlockExpired&#45;&gt;P2PIX.ERC20 -->
+<g id="edge53" class="edge" data-name="P2PIX.unlockExpired-&gt;P2PIX.ERC20">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M373.64,-792.53C384.82,-797.06 395.24,-803.69 402.88,-813 486.09,-914.44 353.8,-1006.12 438.88,-1106 450.19,-1119.28 467.6,-1126.24 484.33,-1130.4" style=""/>
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+<!-- P2PIX.unlockExpired&#45;&gt;P2PIX.ERC20 -->
+<g id="edge55" class="edge" data-name="P2PIX.unlockExpired-&gt;P2PIX.ERC20">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M354.53,-803.49C372.31,-808.5 390.97,-816.48 402.88,-831 486.09,-932.44 353.8,-1024.12 438.88,-1124 449.65,-1136.65 465.95,-1143.56 481.92,-1146.76" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="481.16,-1150.18 491.55,-1148.14 482.15,-1143.25 481.16,-1150.18" style=""/>
+</g>
+<!-- P2PIX.unlockExpired&#45;&gt;P2PIX.MaxBalExceeded -->
+<g id="edge54" class="edge" data-name="P2PIX.unlockExpired-&gt;P2PIX.MaxBalExceeded">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M343.6,-806C364.76,-817.08 389.54,-834 402.88,-857 496.89,-1019.06 350.82,-1111.63 438.88,-1277 449.92,-1297.74 469.41,-1314.8 487.71,-1327.38" style=""/>
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-<g id="node36" class="node" pointer-events="visible" data-name="P2PIX.LockReturned">
+<g id="node46" class="node" pointer-events="visible" data-name="P2PIX.LockReturned">
 
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-<text text-anchor="middle" x="536.8" y="-1120.8" font-family="Times,serif" font-size="14.00" style="">LockReturned</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1034" rx="66.05" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1029.8" font-family="Times,serif" font-size="14.00" style="">LockReturned</text>
 </g>
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-<g id="edge44" class="edge" data-name="P2PIX.unlockExpired-&gt;P2PIX.LockReturned">
+<g id="edge57" class="edge" data-name="P2PIX.unlockExpired-&gt;P2PIX.LockReturned">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="457.58,-1024.88 468.16,-1025.43 460.23,-1018.4 457.58,-1024.88" style=""/>
 </g>
 <!-- P2PIX.withdraw -->
 <g id="node7" class="node" pointer-events="visible" data-name="P2PIX.withdraw">
 
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-<text text-anchor="middle" x="94.61" y="-947.8" font-family="Times,serif" font-size="14.00" style="">withdraw</text>
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="93.54" cy="-529" rx="47.52" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-524.8" font-family="Times,serif" font-size="14.00" style="">withdraw</text>
 </g>
-<!-- P2PIX.withdraw&#45;&gt;P2PIX.cancelDeposit -->
-<g id="edge47" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.cancelDeposit">
+<!-- P2PIX.withdraw&#45;&gt;P2PIX.setValidState -->
+<g id="edge60" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.setValidState">
 
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-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="247.27,-1002.49 257.85,-1002.1 249.33,-995.8 247.27,-1002.49" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M133,-517.66C145.94,-512.67 159.92,-505.87 171.08,-497 192.52,-479.97 184.63,-462.67 207.08,-447 215.69,-441 225.59,-436.32 235.7,-432.69" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="236.73,-436.04 245.19,-429.67 234.6,-429.37 236.73,-436.04" style=""/>
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 <!-- P2PIX.withdraw&#45;&gt;P2PIX.unlockExpired -->
-<g id="edge46" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.unlockExpired">
+<g id="edge58" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.unlockExpired">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M112.84,-969.84C133.79,-990.54 171.09,-1024.34 209.21,-1044 218.37,-1048.72 228.46,-1052.7 238.55,-1056.03" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M98.6,-548.07C108.85,-591.7 139.94,-699.52 207.08,-758 215.2,-765.07 224.91,-770.58 235.02,-774.88" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="233.56,-778.07 244.15,-778.33 236.03,-771.52 233.56,-778.07" style=""/>
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-<!-- P2PIX.withdraw&#45;&gt;P2PIX._onlySeller -->
-<g id="edge45" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX._onlySeller">
+<!-- P2PIX._decBal -->
+<g id="node20" class="node" pointer-events="visible" data-name="P2PIX._decBal">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M143.13,-953.19C221.21,-955.14 376.95,-959.03 467.06,-961.28" style=""/>
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+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1196" rx="42.85" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1191.8" font-family="Times,serif" font-size="14.00" style="">_decBal</text>
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-<!-- P2PIX.withdraw&#45;&gt;P2PIX.ERC20 -->
-<g id="edge48" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.ERC20">
+<!-- P2PIX.withdraw&#45;&gt;P2PIX._decBal -->
+<g id="edge62" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX._decBal">
 
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M95.95,-548.37C100.86,-600.6 121.88,-745.25 207.08,-817 275.02,-874.21 342.85,-791.54 402.88,-857 497.21,-959.88 348.76,-1062.4 438.88,-1169 448.46,-1180.34 462.5,-1187.07 476.78,-1191.02" style=""/>
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+<!-- P2PIX.withdraw&#45;&gt;P2PIX.getValid -->
+<g id="edge59" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.getValid">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M141.28,-533.24C172.79,-536.1 214.51,-539.88 247.82,-542.91" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="247.31,-546.37 257.58,-543.79 247.94,-539.4 247.31,-546.37" style=""/>
+</g>
+<!-- P2PIX.withdraw&#45;&gt;P2PIX._castAddrToKey -->
+<g id="edge61" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX._castAddrToKey">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M98.28,-548.17C107.81,-591.3 137.35,-695.88 207.08,-743 243.32,-767.49 370.66,-733.42 402.88,-763 466.19,-821.12 381.05,-889.42 438.88,-953 443.05,-957.59 447.95,-961.41 453.28,-964.6" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="451.51,-967.63 462.02,-968.95 454.62,-961.36 451.51,-967.63" style=""/>
+</g>
+<!-- P2PIX.withdraw&#45;&gt;P2PIX.address -->
+<g id="edge65" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M140.42,-523.44C214.42,-515.2 356.54,-502.58 402.88,-521 423.33,-529.13 419.77,-544.08 438.88,-555 451.99,-562.5 467.36,-568.06 481.79,-572.12" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="480.66,-575.44 491.22,-574.55 482.41,-568.66 480.66,-575.44" style=""/>
 </g>
 <!-- P2PIX.DepositWithdrawn -->
-<g id="node37" class="node" pointer-events="visible" data-name="P2PIX.DepositWithdrawn">
+<g id="node47" class="node" pointer-events="visible" data-name="P2PIX.DepositWithdrawn">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="307.11" cy="-923" rx="84.54" ry="18" style=""/>
-<text text-anchor="middle" x="307.11" y="-918.8" font-family="Times,serif" font-size="14.00" style="">DepositWithdrawn</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="304.98" cy="-474" rx="84.54" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-469.8" font-family="Times,serif" font-size="14.00" style="">DepositWithdrawn</text>
 </g>
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-<g id="edge50" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.DepositWithdrawn">
+<g id="edge64" class="edge" data-name="P2PIX.withdraw-&gt;P2PIX.DepositWithdrawn">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M141.02,-945.74C164.29,-942.54 193.4,-938.53 220.67,-934.77" style=""/>
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="236.71,-495.28 245.49,-489.36 234.93,-488.51 236.71,-495.28" style=""/>
 </g>
 <!-- P2PIX.withdraw&#45;&gt;SafeTransferLib.safeTransfer -->
-<g id="edge49" class="edge" data-name="P2PIX.withdraw-&gt;SafeTransferLib.safeTransfer">
+<g id="edge63" class="edge" data-name="P2PIX.withdraw-&gt;SafeTransferLib.safeTransfer">
 
-<path fill="none" stroke="white" stroke-width="2" d="M100.95,-932.77C114.37,-884.06 150.04,-751.77 173.21,-640 183.09,-592.35 175.69,-459.28 209.21,-424 270.58,-359.41 329.34,-428.03 405.01,-381 426.76,-367.48 421.6,-352.71 441.01,-336 455.88,-323.19 474.17,-311.77 490.7,-302.7" style=""/>
-<polygon fill="white" stroke="white" stroke-width="2" points="491.93,-306.01 499.12,-298.23 488.65,-299.83 491.93,-306.01" style=""/>
+<path fill="none" stroke="white" stroke-width="2" d="M136.76,-520.25C149.71,-515.5 162.72,-508.19 171.08,-497 215.24,-437.91 154.1,-218.32 207.08,-167 277.54,-98.76 401.57,-111.47 474.33,-126.79" style=""/>
+<polygon fill="white" stroke="white" stroke-width="2" points="473.38,-130.17 483.9,-128.91 474.89,-123.33 473.38,-130.17" style=""/>
 </g>
 <!-- P2PIX.setRoot&#45;&gt;P2PIX._castAddrToKey -->
-<g id="edge51" class="edge" data-name="P2PIX.setRoot-&gt;P2PIX._castAddrToKey">
+<g id="edge66" class="edge" data-name="P2PIX.setRoot-&gt;P2PIX._castAddrToKey">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M346.73,-875.28C377.17,-880.22 420.59,-887.28 458.14,-893.38" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M346.83,-1631.17C366.85,-1628.48 389.49,-1621.57 402.88,-1605 486.54,-1501.45 355.74,-1110.98 438.88,-1007 442.59,-1002.36 447.04,-998.49 451.97,-995.26" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="453.55,-998.38 460.72,-990.59 450.25,-992.21 453.55,-998.38" style=""/>
+</g>
+<!-- P2PIX.RootUpdated -->
+<g id="node48" class="node" pointer-events="visible" data-name="P2PIX.RootUpdated">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1578" rx="62.56" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1573.8" font-family="Times,serif" font-size="14.00" style="">RootUpdated</text>
+</g>
+<!-- P2PIX.setRoot&#45;&gt;P2PIX.RootUpdated -->
+<g id="edge67" class="edge" data-name="P2PIX.setRoot-&gt;P2PIX.RootUpdated">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M342.55,-1623.26C376.91,-1615.06 429,-1602.61 469.88,-1592.85" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="470.59,-1596.28 479.5,-1590.55 468.97,-1589.47 470.59,-1596.28" style=""/>
 </g>
 <!-- P2PIX.OnlySeller -->
-<g id="node38" class="node" pointer-events="visible" data-name="P2PIX.OnlySeller">
+<g id="node49" class="node" pointer-events="visible" data-name="P2PIX.OnlySeller">
 
-<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="724.68" cy="-916" rx="52.75" ry="18" style=""/>
-<text text-anchor="middle" x="724.68" y="-911.8" font-family="Times,serif" font-size="14.00" style="">OnlySeller</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1632" rx="52.75" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1627.8" font-family="Times,serif" font-size="14.00" style="">OnlySeller</text>
 </g>
 <!-- P2PIX.setRoot&#45;&gt;P2PIX.OnlySeller -->
-<g id="edge52" class="edge" data-name="P2PIX.setRoot-&gt;P2PIX.OnlySeller">
+<g id="edge68" class="edge" data-name="P2PIX.setRoot-&gt;P2PIX.OnlySeller">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M348.36,-865.72C410.23,-861.69 532.09,-857.76 632.59,-879 649.06,-882.48 666.36,-888.77 681.41,-895.19" style=""/>
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="466.02,-1635.5 476.02,-1632 466.02,-1628.5 466.02,-1635.5" style=""/>
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 <!-- P2PIX.withdrawBalance -->
 <g id="node9" class="node" pointer-events="visible" data-name="P2PIX.withdrawBalance">
 
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-<text text-anchor="middle" x="94.61" y="-500.8" font-family="Times,serif" font-size="14.00" style="">withdrawBalance</text>
+<ellipse fill="#ffbdb9" stroke="#ffbdb9" stroke-width="3" cx="304.98" cy="-312" rx="78.71" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-307.8" font-family="Times,serif" font-size="14.00" style="">withdrawBalance</text>
+</g>
+<!-- P2PIX.withdrawBalance&#45;&gt;P2PIX.address -->
+<g id="edge69" class="edge" data-name="P2PIX.withdrawBalance-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M375.62,-320.95C385.92,-325.03 395.52,-330.82 402.88,-339 467.93,-411.39 374.2,-482.28 438.88,-555 449.28,-566.7 464.42,-573.46 479.48,-577.33" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="478.54,-580.71 489.04,-579.33 479.97,-573.86 478.54,-580.71" style=""/>
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 <!-- P2PIX.FundsWithdrawn -->
-<g id="node39" class="node" pointer-events="visible" data-name="P2PIX.FundsWithdrawn">
+<g id="node50" class="node" pointer-events="visible" data-name="P2PIX.FundsWithdrawn">
 
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-<text text-anchor="middle" x="307.11" y="-446.8" font-family="Times,serif" font-size="14.00" style="">FundsWithdrawn</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-312" rx="78.19" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-307.8" font-family="Times,serif" font-size="14.00" style="">FundsWithdrawn</text>
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 <!-- P2PIX.withdrawBalance&#45;&gt;P2PIX.FundsWithdrawn -->
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+<g id="edge71" class="edge" data-name="P2PIX.withdrawBalance-&gt;P2PIX.FundsWithdrawn">
 
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M385.05,-312C402.96,-312 422.13,-312 440.52,-312" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="440.38,-315.5 450.38,-312 440.38,-308.5 440.38,-315.5" style=""/>
 </g>
 <!-- SafeTransferLib.safeTransferETH -->
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-<text text-anchor="middle" x="536.8" y="-168.8" font-family="Times,serif" font-size="14.00" style="">safeTransferETH</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-88" rx="78.12" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-83.8" font-family="Times,serif" font-size="14.00" style="">safeTransferETH</text>
 </g>
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+</g>
+<!-- P2PIX.setReputation&#45;&gt;P2PIX.address -->
+<g id="edge73" class="edge" data-name="P2PIX.setReputation-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M368.12,-1572.81C381.51,-1568.71 394.22,-1561.96 402.88,-1551 467.81,-1468.81 374.37,-691.52 438.88,-609 448.78,-596.33 464.26,-589.36 479.77,-585.59" style=""/>
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+<g id="node51" class="node" pointer-events="visible" data-name="P2PIX.ReputationUpdated">
 
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+<text text-anchor="middle" x="533.05" y="-1519.8" font-family="Times,serif" font-size="14.00" style="">ReputationUpdated</text>
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+<g id="node52" class="node" pointer-events="visible" data-name="P2PIX.LockBlocksUpdated">
 
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+<text text-anchor="middle" x="533.05" y="-1735.8" font-family="Times,serif" font-size="14.00" style="">LockBlocksUpdated</text>
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+<g id="edge74" class="edge" data-name="P2PIX.setDefaultLockBlocks-&gt;P2PIX.LockBlocksUpdated">
 
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+<g id="edge75" class="edge" data-name="P2PIX.setValidSigners-&gt;P2PIX._castAddrToKey">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="453.52,-998.36 460.69,-990.56 450.22,-992.19 453.52,-998.36" style=""/>
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 <!-- P2PIX.ValidSignersUpdated -->
-<g id="node42" class="node" pointer-events="visible" data-name="P2PIX.ValidSignersUpdated">
+<g id="node53" class="node" pointer-events="visible" data-name="P2PIX.ValidSignersUpdated">
 
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+<text text-anchor="middle" x="533.05" y="-1681.8" font-family="Times,serif" font-size="14.00" style="">ValidSignersUpdated</text>
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-<g id="edge58" class="edge" data-name="P2PIX.setValidSigners-&gt;P2PIX.ValidSignersUpdated">
+<g id="edge76" class="edge" data-name="P2PIX.setValidSigners-&gt;P2PIX.ValidSignersUpdated">
 
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M378.76,-1686C393.38,-1686 409.03,-1686 424.55,-1686" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="424.5,-1689.5 434.5,-1686 424.5,-1682.5 424.5,-1689.5" style=""/>
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 <!-- P2PIX.&lt;Receive Ether&gt; -->
 <g id="node14" class="node" pointer-events="visible" data-name="P2PIX.&lt;Receive Ether&gt;">
 
-<ellipse fill="#ffbdb9" stroke="brown" stroke-width="3" cx="94.61" cy="-451" rx="76.21" ry="18" style=""/>
-<text text-anchor="middle" x="94.61" y="-446.8" font-family="Times,serif" font-size="14.00" style="">&lt;Receive Ether&gt;</text>
-</g>
-<!-- P2PIX._onlySeller&#45;&gt;P2PIX.OnlySeller -->
-<g id="edge59" class="edge" data-name="P2PIX._onlySeller-&gt;P2PIX.OnlySeller">
-
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M582.79,-951.62C608.3,-945.17 640.44,-937.05 667.58,-930.18" style=""/>
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-</g>
-<!-- P2PIX.NotExpired -->
-<g id="node43" class="node" pointer-events="visible" data-name="P2PIX.NotExpired">
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-<text text-anchor="middle" x="724.68" y="-1192.8" font-family="Times,serif" font-size="14.00" style="">NotExpired</text>
+<ellipse fill="#ffbdb9" stroke="brown" stroke-width="3" cx="93.54" cy="-470" rx="76.21" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-465.8" font-family="Times,serif" font-size="14.00" style="">&lt;Receive Ether&gt;</text>
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-<g id="edge60" class="edge" data-name="P2PIX._notExpired-&gt;P2PIX.NotExpired">
+<g id="edge77" class="edge" data-name="P2PIX._notExpired-&gt;P2PIX.NotExpired">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="703.72,-1164.67 713.88,-1167.68 707.82,-1159 703.72,-1164.67" style=""/>
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-<!-- P2PIX.DepositAlreadyExists -->
-<g id="node44" class="node" pointer-events="visible" data-name="P2PIX.DepositAlreadyExists">
+<!-- P2PIX._notExpired&#45;&gt;P2PIX.AlreadyReleased -->
+<g id="edge78" class="edge" data-name="P2PIX._notExpired-&gt;P2PIX.AlreadyReleased">
 
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-<text text-anchor="middle" x="536.8" y="-473.8" font-family="Times,serif" font-size="14.00" style="">DepositAlreadyExists</text>
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-<!-- P2PIX._encodeDepositID&#45;&gt;P2PIX.DepositAlreadyExists -->
-<g id="edge62" class="edge" data-name="P2PIX._encodeDepositID-&gt;P2PIX.DepositAlreadyExists">
+<!-- P2PIX._addLock&#45;&gt;P2PIX._decBal -->
+<g id="edge79" class="edge" data-name="P2PIX._addLock-&gt;P2PIX._decBal">
 
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+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="480.94,-1186.42 491.51,-1185.75 482.83,-1179.68 480.94,-1186.42" style=""/>
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-<!-- Counters.Counter.current -->
-<g id="node49" class="node" pointer-events="visible" data-name="Counters.Counter.current">
+<!-- P2PIX.LockAdded -->
+<g id="node54" class="node" pointer-events="visible" data-name="P2PIX.LockAdded">
 
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-<text text-anchor="middle" x="536.8" y="-83.8" font-family="Times,serif" font-size="14.00" style="">current</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-1250" rx="56.75" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-1245.8" font-family="Times,serif" font-size="14.00" style="">LockAdded</text>
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-<!-- P2PIX._encodeDepositID&#45;&gt;Counters.Counter.current -->
-<g id="edge61" class="edge" data-name="P2PIX._encodeDepositID-&gt;Counters.Counter.current">
+<!-- P2PIX._addLock&#45;&gt;P2PIX.LockAdded -->
+<g id="edge80" class="edge" data-name="P2PIX._addLock-&gt;P2PIX.LockAdded">
 
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-<!-- P2PIX._encodeLockID&#45;&gt;P2PIX.NotExpired -->
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M352.13,-1127.47C369.58,-1132.16 388.64,-1139.76 402.88,-1152 429.7,-1175.07 411.63,-1200.43 438.88,-1223 447.17,-1229.87 457.14,-1235 467.43,-1238.82" style=""/>
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-<text text-anchor="middle" x="536.8" y="-1174.8" font-family="Times,serif" font-size="14.00" style="">AddressDenied</text>
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+<text text-anchor="middle" x="533.05" y="-631.8" font-family="Times,serif" font-size="14.00" style="">AddressDenied</text>
 </g>
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-<g id="edge65" class="edge" data-name="P2PIX.merkleVerify-&gt;P2PIX.AddressDenied">
+<g id="edge82" class="edge" data-name="P2PIX.merkleVerify-&gt;P2PIX.AddressDenied">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M358.08,-1136.85C390.98,-1144.65 434.41,-1154.95 470.1,-1163.42" style=""/>
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+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M362.74,-610.54C391.47,-614.86 426.73,-620.16 457.62,-624.81" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="456.7,-628.21 467.11,-626.23 457.74,-621.28 456.7,-628.21" style=""/>
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 <!-- Merkle.verify -->
-<g id="node53" class="node" pointer-events="visible" data-name="Merkle.verify">
+<g id="node62" class="node" pointer-events="visible" data-name="Merkle.verify">
 
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-<text text-anchor="middle" x="536.8" y="-361.8" font-family="Times,serif" font-size="14.00" style="">verify</text>
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-227" rx="34.19" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-222.8" font-family="Times,serif" font-size="14.00" style="">verify</text>
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 <!-- P2PIX.merkleVerify&#45;&gt;Merkle.verify -->
-<g id="edge64" class="edge" data-name="P2PIX.merkleVerify-&gt;Merkle.verify">
+<g id="edge81" class="edge" data-name="P2PIX.merkleVerify-&gt;Merkle.verify">
 
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+<polygon fill="white" stroke="white" stroke-width="2" points="491.64,-244.93 499.44,-237.75 488.87,-238.5 491.64,-244.93" style=""/>
+</g>
+<!-- P2PIX.getPixTarget -->
+<g id="node23" class="node" pointer-events="visible" data-name="P2PIX.getPixTarget">
+
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="93.54" cy="-407" rx="60.83" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-402.8" font-family="Times,serif" font-size="14.00" style="">getPixTarget</text>
+</g>
+<!-- P2PIX.getBalances -->
+<g id="node24" class="node" pointer-events="visible" data-name="P2PIX.getBalances">
+
+<ellipse fill="#ffbdb9" stroke="#ffbdb9" stroke-width="3" cx="304.98" cy="-366" rx="57.88" ry="18" style=""/>
+<text text-anchor="middle" x="304.98" y="-361.8" font-family="Times,serif" font-size="14.00" style="">getBalances</text>
+</g>
+<!-- P2PIX.getBalances&#45;&gt;P2PIX.getBalance -->
+<g id="edge87" class="edge" data-name="P2PIX.getBalances-&gt;P2PIX.getBalance">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M362.61,-370.44C377.69,-374.36 392.62,-381.21 402.88,-393 482.32,-484.35 359.9,-571.24 438.88,-663 446.3,-671.63 456.3,-677.58 466.99,-681.67" style=""/>
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+<!-- P2PIX.getBalances&#45;&gt;P2PIX.address -->
+<g id="edge83" class="edge" data-name="P2PIX.getBalances-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M363.49,-362.77C378.05,-366.4 392.48,-373.04 402.88,-384 453.63,-437.52 388.4,-492.22 438.88,-546 450.72,-558.62 468.08,-565.46 484.61,-569.71" style=""/>
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+<!-- P2PIX.getBalances&#45;&gt;P2PIX.address -->
+<g id="edge84" class="edge" data-name="P2PIX.getBalances-&gt;P2PIX.address">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M353.18,-377.36C370.98,-381.5 390.02,-388.44 402.88,-402 453.63,-455.52 388.4,-510.22 438.88,-564 449.86,-575.7 465.58,-582.44 480.99,-585.81" style=""/>
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+<!-- P2PIX.NoTokens -->
+<g id="node56" class="node" pointer-events="visible" data-name="P2PIX.NoTokens">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-366" rx="51.04" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-361.8" font-family="Times,serif" font-size="14.00" style="">NoTokens</text>
+</g>
+<!-- P2PIX.getBalances&#45;&gt;P2PIX.NoTokens -->
+<g id="edge85" class="edge" data-name="P2PIX.getBalances-&gt;P2PIX.NoTokens">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M364.2,-366C395.96,-366 435.34,-366 467.97,-366" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="467.55,-369.5 477.55,-366 467.55,-362.5 467.55,-369.5" style=""/>
+</g>
+<!-- P2PIX.LengthMismatch -->
+<g id="node57" class="node" pointer-events="visible" data-name="P2PIX.LengthMismatch">
+
+<ellipse fill="#edad56" stroke="#edad56" stroke-width="3" cx="533.05" cy="-420" rx="77.03" ry="18" style=""/>
+<text text-anchor="middle" x="533.05" y="-415.8" font-family="Times,serif" font-size="14.00" style="">LengthMismatch</text>
+</g>
+<!-- P2PIX.getBalances&#45;&gt;P2PIX.LengthMismatch -->
+<g id="edge86" class="edge" data-name="P2PIX.getBalances-&gt;P2PIX.LengthMismatch">
+
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M353.1,-377.25C385.16,-384.91 428.1,-395.17 463.89,-403.72" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="462.73,-407.04 473.27,-405.96 464.36,-400.23 462.73,-407.04" style=""/>
+</g>
+<!-- P2PIX._castKeyToAddr -->
+<g id="node26" class="node" pointer-events="visible" data-name="P2PIX._castKeyToAddr">
+
+<ellipse fill="#ff9797" stroke="#ff9797" stroke-width="3" cx="93.54" cy="-335" rx="77.58" ry="18" style=""/>
+<text text-anchor="middle" x="93.54" y="-330.8" font-family="Times,serif" font-size="14.00" style="">_castKeyToAddr</text>
 </g>
 <!-- key -->
-<g id="node54" class="node" pointer-events="visible" data-name="key">
+<g id="node63" class="node" pointer-events="visible" data-name="key">
 
-<polygon fill="#edad56" stroke="none" stroke-width="3" points="159.61,-1786 29.61,-1786 29.61,-1698 159.61,-1698 159.61,-1786" style=""/>
-<text text-anchor="start" x="79.24" y="-1767.4" font-family="Times,serif" font-size="14.00" style="">Internal Call</text>
-<text text-anchor="start" x="75.35" y="-1747.4" font-family="Times,serif" font-size="14.00" style="">External Call</text>
-<text text-anchor="start" x="52.81" y="-1727.4" font-family="Times,serif" font-size="14.00" style="">Defined Contract</text>
-<text text-anchor="start" x="39.21" y="-1707.4" font-family="Times,serif" font-size="14.00" style="">Undefined Contract</text>
+<polygon fill="#edad56" stroke="none" stroke-width="3" points="158.54,-1949 28.54,-1949 28.54,-1861 158.54,-1861 158.54,-1949" style=""/>
+<text text-anchor="start" x="78.18" y="-1930.4" font-family="Times,serif" font-size="14.00" style="">Internal Call</text>
+<text text-anchor="start" x="74.29" y="-1910.4" font-family="Times,serif" font-size="14.00" style="">External Call</text>
+<text text-anchor="start" x="51.74" y="-1890.4" font-family="Times,serif" font-size="14.00" style="">Defined Contract</text>
+<text text-anchor="start" x="38.14" y="-1870.4" font-family="Times,serif" font-size="14.00" style="">Undefined Contract</text>
 </g>
 <!-- key2 -->
-<g id="node55" class="node" pointer-events="visible" data-name="key2">
+<g id="node64" class="node" pointer-events="visible" data-name="key2">
 
-<polygon fill="#edad56" stroke="none" stroke-width="3" points="334.11,-1786 280.11,-1786 280.11,-1698 334.11,-1698 334.11,-1786" style=""/>
-<text text-anchor="start" x="297.11" y="-1767.4" font-family="Times,serif" font-size="14.00" style="">   </text>
-<text text-anchor="start" x="297.11" y="-1747.4" font-family="Times,serif" font-size="14.00" style="">   </text>
-<polygon fill="#445773" stroke="none" points="295.11,-1722 295.11,-1742 320.11,-1742 320.11,-1722 295.11,-1722" style=""/>
-<text text-anchor="start" x="297.11" y="-1727.4" font-family="Times,serif" font-size="14.00" style="">   </text>
-<polygon fill="none" stroke="#e8726d" points="297.11,-1704 297.11,-1720 318.11,-1720 318.11,-1704 297.11,-1704" style=""/>
+<polygon fill="#edad56" stroke="none" stroke-width="3" points="331.98,-1949 277.98,-1949 277.98,-1861 331.98,-1861 331.98,-1949" style=""/>
+<text text-anchor="start" x="294.98" y="-1930.4" font-family="Times,serif" font-size="14.00" style="">   </text>
+<text text-anchor="start" x="294.98" y="-1910.4" font-family="Times,serif" font-size="14.00" style="">   </text>
+<polygon fill="#445773" stroke="none" points="292.98,-1885 292.98,-1905 317.98,-1905 317.98,-1885 292.98,-1885" style=""/>
+<text text-anchor="start" x="294.98" y="-1890.4" font-family="Times,serif" font-size="14.00" style="">   </text>
+<polygon fill="none" stroke="#e8726d" points="294.98,-1867 294.98,-1883 315.98,-1883 315.98,-1867 294.98,-1867" style=""/>
 </g>
 <!-- key&#45;&gt;key2 -->
-<g id="edge66" class="edge" data-name="key-&gt;key2">
+<g id="edge88" class="edge" data-name="key-&gt;key2">
 
-<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M152.61,-1772C210.95,-1772 228.7,-1772 281.18,-1772" style=""/>
-<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="281.08,-1775.5 291.08,-1772 281.08,-1768.5 281.08,-1775.5" style=""/>
+<path fill="none" stroke="#1bc6a6" stroke-width="2" d="M151.54,-1935C209.45,-1935 227.06,-1935 279.15,-1935" style=""/>
+<polygon fill="#1bc6a6" stroke="#1bc6a6" stroke-width="2" points="278.95,-1938.5 288.95,-1935 278.95,-1931.5 278.95,-1938.5" style=""/>
 </g>
 <!-- key&#45;&gt;key2 -->
-<g id="edge67" class="edge" data-name="key-&gt;key2">
+<g id="edge89" class="edge" data-name="key-&gt;key2">
 
-<path fill="none" stroke="white" stroke-width="2" d="M152.61,-1752C210.95,-1752 228.7,-1752 281.18,-1752" style=""/>
-<polygon fill="white" stroke="white" stroke-width="2" points="281.08,-1755.5 291.08,-1752 281.08,-1748.5 281.08,-1755.5" style=""/>
+<path fill="none" stroke="white" stroke-width="2" d="M151.54,-1915C209.45,-1915 227.06,-1915 279.15,-1915" style=""/>
+<polygon fill="white" stroke="white" stroke-width="2" points="278.95,-1918.5 288.95,-1915 278.95,-1911.5 278.95,-1918.5" style=""/>
 </g>
 </g>
 </svg>
\ No newline at end of file
diff --git a/hardhat.config.ts b/hardhat.config.ts
index 40c6b9a..0c2b4b0 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -21,11 +21,21 @@ if (!infuraApiKey) {
   );
 }
 
+const alchemyApiKey: string | undefined =
+  process.env.ALCHEMY_API_KEY;
+if (!alchemyApiKey) {
+  throw new Error(
+    "Please set your ALCHEMY_API_KEY in a .env file",
+  );
+}
+
 const chainIds = {
   // "{INSERT_NAME}": {INSERT_ID},
   hardhat: 31337,
   mainnet: 1,
   sepolia: 11155111,
+  goerli : 5,
+  "polygon-mumbai": 80001,
 };
 
 function getChainConfig(
@@ -33,9 +43,9 @@ function getChainConfig(
 ): NetworkUserConfig {
   let jsonRpcUrl: string;
   switch (chain) {
-    // case "{INSERT_NAME}":
-    // jsonRpcUrl = "{INSERT_URL}";
-    // break;
+    case "polygon-mumbai":
+    jsonRpcUrl = "https://polygon-mumbai.g.alchemy.com/v2/" + alchemyApiKey;
+    break;
     default:
       jsonRpcUrl =
         "https://" + chain + ".infura.io/v3/" + infuraApiKey;
@@ -47,6 +57,7 @@ function getChainConfig(
       mnemonic,
       path: "m/44'/60'/0'/0",
     },
+    // gasPrice: 8000000000,
     chainId: chainIds[chain],
     url: jsonRpcUrl,
   };
@@ -58,6 +69,8 @@ const config: HardhatUserConfig = {
     apiKey: {
       mainnet: process.env.ETHERSCAN_API_KEY || "",
       rinkeby: process.env.ETHERSCAN_API_KEY || "",
+      goerli: process.env.ETHERSCAN_API_KEY || "",
+      polygonMumbai: process.env.POLYGONSCAN_API_KEY || "",
     },
     // customChains: [
     //   {
@@ -78,7 +91,7 @@ const config: HardhatUserConfig = {
     ),
     showTimeSpent: true,
     showMethodSig: true,
-    token: "ONE",
+    token: "ETH",
     currency: "USD",
     // gasPriceApi: process.env.GASPRICE_API_ENDPOINT,
     coinmarketcap: process.env.COINMARKETCAP_API_KEY,
@@ -95,7 +108,9 @@ const config: HardhatUserConfig = {
     },
     // network: getChainConfig("{INSERT_NAME}"),
     mainnet: getChainConfig("mainnet"),
+    goerli: getChainConfig("goerli"),
     sepolia: getChainConfig("sepolia"),
+    "polygon-mumbai": getChainConfig("polygon-mumbai"),
   },
   paths: {
     artifacts: "./artifacts",
@@ -106,12 +121,14 @@ const config: HardhatUserConfig = {
   solidity: {
     version: "0.8.9",
     settings: {
+      // viaIR: true,
       metadata: {
         bytecodeHash: "none",
       },
       optimizer: {
         enabled: true,
-        runs: 800,
+        // max val = 4_294_967_295
+        runs: 20_000,
       },
     },
   },
@@ -121,4 +138,4 @@ const config: HardhatUserConfig = {
   },
 };
 
-export default config;
+export default config;
\ No newline at end of file
diff --git a/package.json b/package.json
index 0bf95a8..8c68673 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "p2pix-smart-contracts",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "Repository for P2Pix EVM contracts to be imported by the project.",
   "homepage": "https://github.com/doiim/p2pix-smart-contracts#readme",
   "author": "Filipe Soccol (doiim)",
@@ -16,6 +16,10 @@
     "test": "hardhat test",
     "deploy1:localhost": "hardhat run scripts/1-deploy-mockToken.ts --network localhost",
     "deploy2:localhost": "hardhat run scripts/2-deploy-p2pix.ts --network localhost",
+    "deploy1:goerli": "hardhat run scripts/1-deploy-mockToken.ts --network goerli",
+    "deploy2:goerli": "hardhat run scripts/2-deploy-p2pix.ts --network goerli",
+    "deploy1:mumbai": "hardhat run scripts/1-deploy-mockToken.ts --network polygon-mumbai",
+    "deploy2:mumbai": "hardhat run scripts/2-deploy-p2pix.ts --network polygon-mumbai",
     "coverage": "hardhat coverage --solcoverjs ./.solcover.js --temp artifacts --testfiles \"test/**/*.ts\" && yarn typechain",
     "lint": "yarn lint:sol && yarn lint:ts && yarn prettier:check",
     "lint:sol": "solhint --config ./.solhint.json --max-warnings 0 \"contracts/**/*.sol\"",
diff --git a/scripts/1-deploy-mockToken.ts b/scripts/1-deploy-mockToken.ts
index f4db7ea..7ddfb6d 100644
--- a/scripts/1-deploy-mockToken.ts
+++ b/scripts/1-deploy-mockToken.ts
@@ -6,7 +6,7 @@ import { ethers, network } from "hardhat";
 
 import { Deploys } from "../test/utils/fixtures";
 
-// import hre from "hardhat";
+import hre from "hardhat";
 
 let deploysJson: Deploys;
 const supply: BigNumber = ethers.utils.parseEther("20000000");
@@ -34,18 +34,19 @@ const main = async () => {
 
   deploysJson.token = erc20.address;
   console.log("🚀 Mock Token Deployed:", erc20.address);
+  await erc20.deployTransaction.wait(6);
 
   fs.writeFileSync(
     `./deploys/${network.name}.json`,
     JSON.stringify(deploysJson, undefined, 2),
   );
 
-  /* UNCOMMENT WHEN DEPLOYING TO MAINNET */
-  //verify
-  // await hre.run("verify:verify", {
-  //   address: erc20.address,
-  //   constructorArguments: supply,
-  // });
+  /* UNCOMMENT WHEN DEPLOYING TO MAINNET/PUBLIC TESTNETS */
+  // verify
+  await hre.run("verify:verify", {
+    address: erc20.address,
+    constructorArguments: [supply],
+  });
 };
 
 main()
@@ -53,4 +54,4 @@ main()
   .catch(error => {
     console.log(error);
     process.exit(1);
-  });
+  });
\ No newline at end of file
diff --git a/scripts/2-deploy-p2pix.ts b/scripts/2-deploy-p2pix.ts
index b5208e6..0a070f9 100644
--- a/scripts/2-deploy-p2pix.ts
+++ b/scripts/2-deploy-p2pix.ts
@@ -5,6 +5,8 @@ import { ethers, network } from "hardhat";
 
 import { Deploys } from "../test/utils/fixtures";
 
+import hre from "hardhat";
+
 let deploysJson: Deploys;
 
 const main = async () => {
@@ -40,18 +42,30 @@ const main = async () => {
 
   deploysJson.p2pix = p2pix.address;
   console.log("🚀 P2PIX Deployed:", p2pix.address);
+  await p2pix.deployTransaction.wait(6);
 
   fs.writeFileSync(
     `./deploys/${network.name}.json`,
     JSON.stringify(deploysJson, undefined, 2),
   );
 
-  /* UNCOMMENT WHEN DEPLOYING TO MAINNET */
+  /* UNCOMMENT WHEN DEPLOYING TO MAINNET/PUBLIC TESTNETS */
   //verify
-  // await hre.run("verify:verify", {
-  //   address: p2pix.address,
-  //   constructorArguments: [2, deploysJson.signers],
-  // });
+  await hre.run("verify:verify", {
+    address: p2pix.address,
+    constructorArguments: 
+    [
+      10, 
+      deploysJson.signers, 
+      reputation.address,
+      [deploysJson.token],
+      [true],
+    ],
+  });
+  await hre.run("verify:verify", {
+    address: reputation.address,
+    constructorArguments: [],
+  });
 };
 
 main()
@@ -59,4 +73,4 @@ main()
   .catch(error => {
     console.log(error);
     process.exit(1);
-  });
+  });
\ No newline at end of file
diff --git a/src/types/EventAndErrors.ts b/src/types/EventAndErrors.ts
index 666505b..10dc788 100644
--- a/src/types/EventAndErrors.ts
+++ b/src/types/EventAndErrors.ts
@@ -1,7 +1,13 @@
 /* Autogenerated file. Do not edit manually. */
 /* tslint:disable */
 /* eslint-disable */
-import type { BaseContract, BigNumber, BytesLike, Signer, utils } from "ethers";
+import type {
+  BaseContract,
+  BigNumber,
+  BigNumberish,
+  Signer,
+  utils,
+} from "ethers";
 import type { EventFragment } from "@ethersproject/abi";
 import type { Listener, Provider } from "@ethersproject/providers";
 import type {
@@ -20,10 +26,10 @@ export interface EventAndErrorsInterface extends utils.Interface {
     "DepositAdded(address,address,uint256)": EventFragment;
     "DepositWithdrawn(address,address,uint256)": EventFragment;
     "FundsWithdrawn(address,uint256)": EventFragment;
-    "LockAdded(address,bytes32,uint256,uint256)": EventFragment;
+    "LockAdded(address,uint256,uint256,uint256)": EventFragment;
     "LockBlocksUpdated(uint256)": EventFragment;
-    "LockReleased(address,bytes32,uint256)": EventFragment;
-    "LockReturned(address,bytes32)": EventFragment;
+    "LockReleased(address,uint256,uint256)": EventFragment;
+    "LockReturned(address,uint256)": EventFragment;
     "ReputationUpdated(address)": EventFragment;
     "RootUpdated(address,bytes32)": EventFragment;
     "ValidSet(address,address,bool)": EventFragment;
@@ -94,12 +100,12 @@ export type FundsWithdrawnEventFilter = TypedEventFilter<FundsWithdrawnEvent>;
 
 export interface LockAddedEventObject {
   buyer: string;
-  lockID: string;
+  lockID: BigNumber;
   seller: BigNumber;
   amount: BigNumber;
 }
 export type LockAddedEvent = TypedEvent<
-  [string, string, BigNumber, BigNumber],
+  [string, BigNumber, BigNumber, BigNumber],
   LockAddedEventObject
 >;
 
@@ -118,11 +124,11 @@ export type LockBlocksUpdatedEventFilter =
 
 export interface LockReleasedEventObject {
   buyer: string;
-  lockId: string;
+  lockId: BigNumber;
   amount: BigNumber;
 }
 export type LockReleasedEvent = TypedEvent<
-  [string, string, BigNumber],
+  [string, BigNumber, BigNumber],
   LockReleasedEventObject
 >;
 
@@ -130,10 +136,10 @@ export type LockReleasedEventFilter = TypedEventFilter<LockReleasedEvent>;
 
 export interface LockReturnedEventObject {
   buyer: string;
-  lockId: string;
+  lockId: BigNumber;
 }
 export type LockReturnedEvent = TypedEvent<
-  [string, string],
+  [string, BigNumber],
   LockReturnedEventObject
 >;
 
@@ -252,15 +258,15 @@ export interface EventAndErrors extends BaseContract {
     ): FundsWithdrawnEventFilter;
     FundsWithdrawn(owner?: null, amount?: null): FundsWithdrawnEventFilter;
 
-    "LockAdded(address,bytes32,uint256,uint256)"(
+    "LockAdded(address,uint256,uint256,uint256)"(
       buyer?: PromiseOrValue<string> | null,
-      lockID?: PromiseOrValue<BytesLike> | null,
+      lockID?: PromiseOrValue<BigNumberish> | null,
       seller?: null,
       amount?: null
     ): LockAddedEventFilter;
     LockAdded(
       buyer?: PromiseOrValue<string> | null,
-      lockID?: PromiseOrValue<BytesLike> | null,
+      lockID?: PromiseOrValue<BigNumberish> | null,
       seller?: null,
       amount?: null
     ): LockAddedEventFilter;
@@ -268,7 +274,7 @@ export interface EventAndErrors extends BaseContract {
     "LockBlocksUpdated(uint256)"(blocks?: null): LockBlocksUpdatedEventFilter;
     LockBlocksUpdated(blocks?: null): LockBlocksUpdatedEventFilter;
 
-    "LockReleased(address,bytes32,uint256)"(
+    "LockReleased(address,uint256,uint256)"(
       buyer?: PromiseOrValue<string> | null,
       lockId?: null,
       amount?: null
@@ -279,7 +285,7 @@ export interface EventAndErrors extends BaseContract {
       amount?: null
     ): LockReleasedEventFilter;
 
-    "LockReturned(address,bytes32)"(
+    "LockReturned(address,uint256)"(
       buyer?: PromiseOrValue<string> | null,
       lockId?: null
     ): LockReturnedEventFilter;
diff --git a/src/types/factories/EventAndErrors__factory.ts b/src/types/factories/EventAndErrors__factory.ts
index 853c096..a77dec2 100644
--- a/src/types/factories/EventAndErrors__factory.ts
+++ b/src/types/factories/EventAndErrors__factory.ts
@@ -209,9 +209,9 @@ const _abi = [
       },
       {
         indexed: true,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockID",
-        type: "bytes32",
+        type: "uint256",
       },
       {
         indexed: false,
@@ -253,9 +253,9 @@ const _abi = [
       },
       {
         indexed: false,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockId",
-        type: "bytes32",
+        type: "uint256",
       },
       {
         indexed: false,
@@ -278,9 +278,9 @@ const _abi = [
       },
       {
         indexed: false,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockId",
-        type: "bytes32",
+        type: "uint256",
       },
     ],
     name: "LockReturned",
diff --git a/src/types/factories/Reputation__factory.ts b/src/types/factories/Reputation__factory.ts
index cffb401..f4563d1 100644
--- a/src/types/factories/Reputation__factory.ts
+++ b/src/types/factories/Reputation__factory.ts
@@ -105,7 +105,7 @@ const _abi = [
 ];
 
 const _bytecode =
-  "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";
+  "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";
 
 type ReputationConstructorParams =
   | [signer?: Signer]
diff --git a/src/types/factories/lib/mock/mockToken.sol/MockToken__factory.ts b/src/types/factories/lib/mock/mockToken.sol/MockToken__factory.ts
index 5374c32..1cdd955 100644
--- a/src/types/factories/lib/mock/mockToken.sol/MockToken__factory.ts
+++ b/src/types/factories/lib/mock/mockToken.sol/MockToken__factory.ts
@@ -346,7 +346,7 @@ const _abi = [
 ];
 
 const _bytecode =
-  "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+  "0x60e06040523480156200001157600080fd5b506040516200129938038062001299833981016040819052620000349162000279565b6040805180820182526007815266135bd8dad0949360ca1b6020808301918252835180850190945260048452631350949360e21b908401528151919291601291620000839160009190620001d3565b50815162000099906001906020850190620001d3565b5060ff81166080524660a052620000af620000ca565b60c05250620000c391503390508262000166565b506200039b565b60007f8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f6000604051620000fe9190620002d0565b6040805191829003822060208301939093528101919091527fc89efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bc660608201524660808201523060a082015260c00160405160208183030381529060405280519060200120905090565b80600260008282546200017a919062000374565b90915550506001600160a01b0382166000818152600360209081526040808320805486019055518481527fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef910160405180910390a35050565b828054620001e19062000293565b90600052602060002090601f01602090048101928262000205576000855562000250565b82601f106200022057805160ff191683800117855562000250565b8280016001018555821562000250579182015b828111156200025057825182559160200191906001019062000233565b506200025e92915062000262565b5090565b5b808211156200025e576000815560010162000263565b6000602082840312156200028c57600080fd5b5051919050565b600181811c90821680620002a857607f821691505b60208210811415620002ca57634e487b7160e01b600052602260045260246000fd5b50919050565b600080835481600182811c915080831680620002ed57607f831692505b60208084108214156200030e57634e487b7160e01b86526022600452602486fd5b818015620003255760018114620003375762000366565b60ff1986168952848901965062000366565b60008a81526020902060005b868110156200035e5781548b82015290850190830162000343565b505084890196505b509498975050505050505050565b600082198211156200039657634e487b7160e01b600052601160045260246000fd5b500190565b60805160a05160c051610ece620003cb60003960006104c20152600061048d015260006101540152610ece6000f3fe608060405234801561001057600080fd5b50600436106100df5760003560e01c806370a082311161008c578063a9059cbb11610066578063a9059cbb146101d8578063d505accf146101eb578063dd62ed3e14610200578063ea66696c1461022b57600080fd5b806370a08231146101905780637ecebe00146101b057806395d89b41146101d057600080fd5b806323b872dd116100bd57806323b872dd1461013c578063313ce5671461014f5780633644e5151461018857600080fd5b806306fdde03146100e4578063095ea7b31461010257806318160ddd14610125575b600080fd5b6100ec61023e565b6040516100f991906109f2565b60405180910390f35b610115610110366004610a8e565b6102cc565b60405190151581526020016100f9565b61012e60025481565b6040519081526020016100f9565b61011561014a366004610ab8565b610345565b6101767f000000000000000000000000000000000000000000000000000000000000000081565b60405160ff90911681526020016100f9565b61012e610489565b61012e61019e366004610af4565b60036020526000908152604090205481565b61012e6101be366004610af4565b60056020526000908152604090205481565b6100ec6104e4565b6101156101e6366004610a8e565b6104f1565b6101fe6101f9366004610b16565b610576565b005b61012e61020e366004610b89565b600460209081526000928352604080842090915290825290205481565b6101fe610239366004610beb565b61089a565b6000805461024b90610cd4565b80601f016020809104026020016040519081016040528092919081815260200182805461027790610cd4565b80156102c45780601f10610299576101008083540402835291602001916102c4565b820191906000526020600020905b8154815290600101906020018083116102a757829003601f168201915b505050505081565b33600081815260046020908152604080832073ffffffffffffffffffffffffffffffffffffffff8716808552925280832085905551919290917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925906103349086815260200190565b60405180910390a350600192915050565b73ffffffffffffffffffffffffffffffffffffffff831660009081526004602090815260408083203384529091528120547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff81146103d9576103a78382610d57565b73ffffffffffffffffffffffffffffffffffffffff861660009081526004602090815260408083203384529091529020555b73ffffffffffffffffffffffffffffffffffffffff85166000908152600360205260408120805485929061040e908490610d57565b909155505073ffffffffffffffffffffffffffffffffffffffff808516600081815260036020526040908190208054870190555190918716907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef906104769087815260200190565b60405180910390a3506001949350505050565b60007f000000000000000000000000000000000000000000000000000000000000000046146104bf576104ba6108e0565b905090565b507f000000000000000000000000000000000000000000000000000000000000000090565b6001805461024b90610cd4565b33600090815260036020526040812080548391908390610512908490610d57565b909155505073ffffffffffffffffffffffffffffffffffffffff8316600081815260036020526040908190208054850190555133907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef906103349086815260200190565b428410156105e5576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601760248201527f5045524d49545f444541444c494e455f4558504952454400000000000000000060448201526064015b60405180910390fd5b600060016105f1610489565b73fffffffff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
 type MockTokenConstructorParams =
   | [signer?: Signer]
diff --git a/src/types/factories/lib/utils/Counters__factory.ts b/src/types/factories/lib/utils/Counters__factory.ts
deleted file mode 100644
index 462a466..0000000
--- a/src/types/factories/lib/utils/Counters__factory.ts
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Autogenerated file. Do not edit manually. */
-/* tslint:disable */
-/* eslint-disable */
-import { Signer, utils, Contract, ContractFactory, Overrides } from "ethers";
-import type { Provider, TransactionRequest } from "@ethersproject/providers";
-import type { PromiseOrValue } from "../../../common";
-import type { Counters, CountersInterface } from "../../../lib/utils/Counters";
-
-const _abi = [
-  {
-    inputs: [],
-    name: "DecOverflow",
-    type: "error",
-  },
-];
-
-const _bytecode =
-  "0x602d6037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea164736f6c6343000809000a";
-
-type CountersConstructorParams =
-  | [signer?: Signer]
-  | ConstructorParameters<typeof ContractFactory>;
-
-const isSuperArgs = (
-  xs: CountersConstructorParams
-): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
-
-export class Counters__factory extends ContractFactory {
-  constructor(...args: CountersConstructorParams) {
-    if (isSuperArgs(args)) {
-      super(...args);
-    } else {
-      super(_abi, _bytecode, args[0]);
-    }
-  }
-
-  override deploy(
-    overrides?: Overrides & { from?: PromiseOrValue<string> }
-  ): Promise<Counters> {
-    return super.deploy(overrides || {}) as Promise<Counters>;
-  }
-  override getDeployTransaction(
-    overrides?: Overrides & { from?: PromiseOrValue<string> }
-  ): TransactionRequest {
-    return super.getDeployTransaction(overrides || {});
-  }
-  override attach(address: string): Counters {
-    return super.attach(address) as Counters;
-  }
-  override connect(signer: Signer): Counters__factory {
-    return super.connect(signer) as Counters__factory;
-  }
-
-  static readonly bytecode = _bytecode;
-  static readonly abi = _abi;
-  static createInterface(): CountersInterface {
-    return new utils.Interface(_abi) as CountersInterface;
-  }
-  static connect(
-    address: string,
-    signerOrProvider: Signer | Provider
-  ): Counters {
-    return new Contract(address, _abi, signerOrProvider) as Counters;
-  }
-}
diff --git a/src/types/factories/lib/utils/index.ts b/src/types/factories/lib/utils/index.ts
index 457edaa..6d82c4c 100644
--- a/src/types/factories/lib/utils/index.ts
+++ b/src/types/factories/lib/utils/index.ts
@@ -1,5 +1,4 @@
 /* Autogenerated file. Do not edit manually. */
 /* tslint:disable */
 /* eslint-disable */
-export { Counters__factory } from "./Counters__factory";
 export { ReentrancyGuard__factory } from "./ReentrancyGuard__factory";
diff --git a/src/types/factories/p2pix.sol/P2PIX__factory.ts b/src/types/factories/p2pix.sol/P2PIX__factory.ts
index 1a7a162..e3d6536 100644
--- a/src/types/factories/p2pix.sol/P2PIX__factory.ts
+++ b/src/types/factories/p2pix.sol/P2PIX__factory.ts
@@ -249,9 +249,9 @@ const _abi = [
       },
       {
         indexed: true,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockID",
-        type: "bytes32",
+        type: "uint256",
       },
       {
         indexed: false,
@@ -293,9 +293,9 @@ const _abi = [
       },
       {
         indexed: false,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockId",
-        type: "bytes32",
+        type: "uint256",
       },
       {
         indexed: false,
@@ -318,9 +318,9 @@ const _abi = [
       },
       {
         indexed: false,
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockId",
-        type: "bytes32",
+        type: "uint256",
       },
     ],
     name: "LockReturned",
@@ -555,6 +555,30 @@ const _abi = [
     stateMutability: "view",
     type: "function",
   },
+  {
+    inputs: [
+      {
+        internalType: "address[]",
+        name: "sellers",
+        type: "address[]",
+      },
+      {
+        internalType: "contract ERC20",
+        name: "token",
+        type: "address",
+      },
+    ],
+    name: "getBalances",
+    outputs: [
+      {
+        internalType: "uint256[]",
+        name: "balances",
+        type: "uint256[]",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
   {
     inputs: [
       {
@@ -641,17 +665,17 @@ const _abi = [
         type: "bytes32[]",
       },
       {
-        internalType: "bytes32[]",
+        internalType: "uint256[]",
         name: "expiredLocks",
-        type: "bytes32[]",
+        type: "uint256[]",
       },
     ],
     name: "lock",
     outputs: [
       {
-        internalType: "bytes32",
-        name: "lockID",
-        type: "bytes32",
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
       },
     ],
     stateMutability: "nonpayable",
@@ -673,9 +697,9 @@ const _abi = [
   {
     inputs: [
       {
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "",
-        type: "bytes32",
+        type: "uint256",
       },
     ],
     name: "mapLocks",
@@ -750,9 +774,9 @@ const _abi = [
   {
     inputs: [
       {
-        internalType: "bytes32",
+        internalType: "uint256",
         name: "lockID",
-        type: "bytes32",
+        type: "uint256",
       },
       {
         internalType: "address",
@@ -950,9 +974,9 @@ const _abi = [
   {
     inputs: [
       {
-        internalType: "bytes32[]",
+        internalType: "uint256[]",
         name: "lockIDs",
-        type: "bytes32[]",
+        type: "uint256[]",
       },
     ],
     name: "unlockExpired",
@@ -1025,19 +1049,18 @@ const _abi = [
         type: "address",
       },
       {
-        internalType: "bytes32[]",
+        internalType: "uint256",
+        name: "amount",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256[]",
         name: "expiredLocks",
-        type: "bytes32[]",
+        type: "uint256[]",
       },
     ],
     name: "withdraw",
-    outputs: [
-      {
-        internalType: "uint256",
-        name: "_sellerBalance",
-        type: "uint256",
-      },
-    ],
+    outputs: [],
     stateMutability: "nonpayable",
     type: "function",
   },
@@ -1055,7 +1078,7 @@ const _abi = [
 ];
 
 const _bytecode =
-  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
 type P2PIXConstructorParams =
   | [signer?: Signer]
diff --git a/src/types/hardhat.d.ts b/src/types/hardhat.d.ts
index 502849e..d3747a0 100644
--- a/src/types/hardhat.d.ts
+++ b/src/types/hardhat.d.ts
@@ -32,10 +32,6 @@ declare module "hardhat/types/runtime" {
       name: "ERC20",
       signerOrOptions?: ethers.Signer | FactoryOptions
     ): Promise<Contracts.ERC20__factory>;
-    getContractFactory(
-      name: "Counters",
-      signerOrOptions?: ethers.Signer | FactoryOptions
-    ): Promise<Contracts.Counters__factory>;
     getContractFactory(
       name: "ReentrancyGuard",
       signerOrOptions?: ethers.Signer | FactoryOptions
@@ -74,11 +70,6 @@ declare module "hardhat/types/runtime" {
       address: string,
       signer?: ethers.Signer
     ): Promise<Contracts.ERC20>;
-    getContractAt(
-      name: "Counters",
-      address: string,
-      signer?: ethers.Signer
-    ): Promise<Contracts.Counters>;
     getContractAt(
       name: "ReentrancyGuard",
       address: string,
diff --git a/src/types/index.ts b/src/types/index.ts
index 86d64ba..60e8d58 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -17,8 +17,6 @@ export type { MockToken } from "./lib/mock/mockToken.sol/MockToken";
 export { MockToken__factory } from "./factories/lib/mock/mockToken.sol/MockToken__factory";
 export type { ERC20 } from "./lib/tokens/ERC20";
 export { ERC20__factory } from "./factories/lib/tokens/ERC20__factory";
-export type { Counters } from "./lib/utils/Counters";
-export { Counters__factory } from "./factories/lib/utils/Counters__factory";
 export type { ReentrancyGuard } from "./lib/utils/ReentrancyGuard";
 export { ReentrancyGuard__factory } from "./factories/lib/utils/ReentrancyGuard__factory";
 export type { P2PIX } from "./p2pix.sol/P2PIX";
diff --git a/src/types/lib/utils/Counters.ts b/src/types/lib/utils/Counters.ts
deleted file mode 100644
index 5179af4..0000000
--- a/src/types/lib/utils/Counters.ts
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Autogenerated file. Do not edit manually. */
-/* tslint:disable */
-/* eslint-disable */
-import type { BaseContract, Signer, utils } from "ethers";
-
-import type { Listener, Provider } from "@ethersproject/providers";
-import type {
-  TypedEventFilter,
-  TypedEvent,
-  TypedListener,
-  OnEvent,
-  PromiseOrValue,
-} from "../../common";
-
-export interface CountersInterface extends utils.Interface {
-  functions: {};
-
-  events: {};
-}
-
-export interface Counters extends BaseContract {
-  connect(signerOrProvider: Signer | Provider | string): this;
-  attach(addressOrName: string): this;
-  deployed(): Promise<this>;
-
-  interface: CountersInterface;
-
-  queryFilter<TEvent extends TypedEvent>(
-    event: TypedEventFilter<TEvent>,
-    fromBlockOrBlockhash?: string | number | undefined,
-    toBlock?: string | number | undefined
-  ): Promise<Array<TEvent>>;
-
-  listeners<TEvent extends TypedEvent>(
-    eventFilter?: TypedEventFilter<TEvent>
-  ): Array<TypedListener<TEvent>>;
-  listeners(eventName?: string): Array<Listener>;
-  removeAllListeners<TEvent extends TypedEvent>(
-    eventFilter: TypedEventFilter<TEvent>
-  ): this;
-  removeAllListeners(eventName?: string): this;
-  off: OnEvent<this>;
-  on: OnEvent<this>;
-  once: OnEvent<this>;
-  removeListener: OnEvent<this>;
-
-  functions: {};
-
-  callStatic: {};
-
-  filters: {};
-
-  estimateGas: {};
-
-  populateTransaction: {};
-}
diff --git a/src/types/lib/utils/index.ts b/src/types/lib/utils/index.ts
index 3d0c435..447e059 100644
--- a/src/types/lib/utils/index.ts
+++ b/src/types/lib/utils/index.ts
@@ -1,5 +1,4 @@
 /* Autogenerated file. Do not edit manually. */
 /* tslint:disable */
 /* eslint-disable */
-export type { Counters } from "./Counters";
 export type { ReentrancyGuard } from "./ReentrancyGuard";
diff --git a/src/types/p2pix.sol/P2PIX.ts b/src/types/p2pix.sol/P2PIX.ts
index d732e4e..27cedde 100644
--- a/src/types/p2pix.sol/P2PIX.ts
+++ b/src/types/p2pix.sol/P2PIX.ts
@@ -36,13 +36,14 @@ export interface P2PIXInterface extends utils.Interface {
     "defaultLockBlocks()": FunctionFragment;
     "deposit(address,uint96,uint160,bool,bytes32)": FunctionFragment;
     "getBalance(address,address)": FunctionFragment;
+    "getBalances(address[],address)": FunctionFragment;
     "getPixTarget(address,address)": FunctionFragment;
     "getValid(address,address)": FunctionFragment;
-    "lock(address,address,address,address,uint256,uint256,bytes32[],bytes32[])": FunctionFragment;
+    "lock(address,address,address,address,uint256,uint256,bytes32[],uint256[])": FunctionFragment;
     "lockCounter()": FunctionFragment;
-    "mapLocks(bytes32)": FunctionFragment;
+    "mapLocks(uint256)": FunctionFragment;
     "owner()": FunctionFragment;
-    "release(bytes32,address,bytes32,bytes32,bytes32,uint8)": FunctionFragment;
+    "release(uint256,address,bytes32,bytes32,bytes32,uint8)": FunctionFragment;
     "reputation()": FunctionFragment;
     "sellerAllowList(uint256)": FunctionFragment;
     "sellerBalance(uint256,address)": FunctionFragment;
@@ -53,11 +54,11 @@ export interface P2PIXInterface extends utils.Interface {
     "setValidSigners(address[])": FunctionFragment;
     "setValidState(address,bool)": FunctionFragment;
     "tokenSettings(address[],bool[])": FunctionFragment;
-    "unlockExpired(bytes32[])": FunctionFragment;
+    "unlockExpired(uint256[])": FunctionFragment;
     "usedTransactions(bytes32)": FunctionFragment;
     "userRecord(uint256)": FunctionFragment;
     "validBacenSigners(uint256)": FunctionFragment;
-    "withdraw(address,bytes32[])": FunctionFragment;
+    "withdraw(address,uint256,uint256[])": FunctionFragment;
     "withdrawBalance()": FunctionFragment;
   };
 
@@ -70,6 +71,7 @@ export interface P2PIXInterface extends utils.Interface {
       | "defaultLockBlocks"
       | "deposit"
       | "getBalance"
+      | "getBalances"
       | "getPixTarget"
       | "getValid"
       | "lock"
@@ -126,6 +128,10 @@ export interface P2PIXInterface extends utils.Interface {
     functionFragment: "getBalance",
     values: [PromiseOrValue<string>, PromiseOrValue<string>]
   ): string;
+  encodeFunctionData(
+    functionFragment: "getBalances",
+    values: [PromiseOrValue<string>[], PromiseOrValue<string>]
+  ): string;
   encodeFunctionData(
     functionFragment: "getPixTarget",
     values: [PromiseOrValue<string>, PromiseOrValue<string>]
@@ -144,7 +150,7 @@ export interface P2PIXInterface extends utils.Interface {
       PromiseOrValue<BigNumberish>,
       PromiseOrValue<BigNumberish>,
       PromiseOrValue<BytesLike>[],
-      PromiseOrValue<BytesLike>[]
+      PromiseOrValue<BigNumberish>[]
     ]
   ): string;
   encodeFunctionData(
@@ -153,13 +159,13 @@ export interface P2PIXInterface extends utils.Interface {
   ): string;
   encodeFunctionData(
     functionFragment: "mapLocks",
-    values: [PromiseOrValue<BytesLike>]
+    values: [PromiseOrValue<BigNumberish>]
   ): string;
   encodeFunctionData(functionFragment: "owner", values?: undefined): string;
   encodeFunctionData(
     functionFragment: "release",
     values: [
-      PromiseOrValue<BytesLike>,
+      PromiseOrValue<BigNumberish>,
       PromiseOrValue<string>,
       PromiseOrValue<BytesLike>,
       PromiseOrValue<BytesLike>,
@@ -209,7 +215,7 @@ export interface P2PIXInterface extends utils.Interface {
   ): string;
   encodeFunctionData(
     functionFragment: "unlockExpired",
-    values: [PromiseOrValue<BytesLike>[]]
+    values: [PromiseOrValue<BigNumberish>[]]
   ): string;
   encodeFunctionData(
     functionFragment: "usedTransactions",
@@ -225,7 +231,11 @@ export interface P2PIXInterface extends utils.Interface {
   ): string;
   encodeFunctionData(
     functionFragment: "withdraw",
-    values: [PromiseOrValue<string>, PromiseOrValue<BytesLike>[]]
+    values: [
+      PromiseOrValue<string>,
+      PromiseOrValue<BigNumberish>,
+      PromiseOrValue<BigNumberish>[]
+    ]
   ): string;
   encodeFunctionData(
     functionFragment: "withdrawBalance",
@@ -251,6 +261,10 @@ export interface P2PIXInterface extends utils.Interface {
   ): Result;
   decodeFunctionResult(functionFragment: "deposit", data: BytesLike): Result;
   decodeFunctionResult(functionFragment: "getBalance", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "getBalances",
+    data: BytesLike
+  ): Result;
   decodeFunctionResult(
     functionFragment: "getPixTarget",
     data: BytesLike
@@ -319,10 +333,10 @@ export interface P2PIXInterface extends utils.Interface {
     "DepositAdded(address,address,uint256)": EventFragment;
     "DepositWithdrawn(address,address,uint256)": EventFragment;
     "FundsWithdrawn(address,uint256)": EventFragment;
-    "LockAdded(address,bytes32,uint256,uint256)": EventFragment;
+    "LockAdded(address,uint256,uint256,uint256)": EventFragment;
     "LockBlocksUpdated(uint256)": EventFragment;
-    "LockReleased(address,bytes32,uint256)": EventFragment;
-    "LockReturned(address,bytes32)": EventFragment;
+    "LockReleased(address,uint256,uint256)": EventFragment;
+    "LockReturned(address,uint256)": EventFragment;
     "OwnerUpdated(address,address)": EventFragment;
     "ReputationUpdated(address)": EventFragment;
     "RootUpdated(address,bytes32)": EventFragment;
@@ -395,12 +409,12 @@ export type FundsWithdrawnEventFilter = TypedEventFilter<FundsWithdrawnEvent>;
 
 export interface LockAddedEventObject {
   buyer: string;
-  lockID: string;
+  lockID: BigNumber;
   seller: BigNumber;
   amount: BigNumber;
 }
 export type LockAddedEvent = TypedEvent<
-  [string, string, BigNumber, BigNumber],
+  [string, BigNumber, BigNumber, BigNumber],
   LockAddedEventObject
 >;
 
@@ -419,11 +433,11 @@ export type LockBlocksUpdatedEventFilter =
 
 export interface LockReleasedEventObject {
   buyer: string;
-  lockId: string;
+  lockId: BigNumber;
   amount: BigNumber;
 }
 export type LockReleasedEvent = TypedEvent<
-  [string, string, BigNumber],
+  [string, BigNumber, BigNumber],
   LockReleasedEventObject
 >;
 
@@ -431,10 +445,10 @@ export type LockReleasedEventFilter = TypedEventFilter<LockReleasedEvent>;
 
 export interface LockReturnedEventObject {
   buyer: string;
-  lockId: string;
+  lockId: BigNumber;
 }
 export type LockReturnedEvent = TypedEvent<
-  [string, string],
+  [string, BigNumber],
   LockReturnedEventObject
 >;
 
@@ -557,6 +571,12 @@ export interface P2PIX extends BaseContract {
       overrides?: CallOverrides
     ): Promise<[BigNumber] & { bal: BigNumber }>;
 
+    getBalances(
+      sellers: PromiseOrValue<string>[],
+      token: PromiseOrValue<string>,
+      overrides?: CallOverrides
+    ): Promise<[BigNumber[]] & { balances: BigNumber[] }>;
+
     getPixTarget(
       seller: PromiseOrValue<string>,
       token: PromiseOrValue<string>,
@@ -577,14 +597,14 @@ export interface P2PIX extends BaseContract {
       _relayerPremium: PromiseOrValue<BigNumberish>,
       _amount: PromiseOrValue<BigNumberish>,
       merkleProof: PromiseOrValue<BytesLike>[],
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<ContractTransaction>;
 
     lockCounter(overrides?: CallOverrides): Promise<[BigNumber]>;
 
     mapLocks(
-      arg0: PromiseOrValue<BytesLike>,
+      arg0: PromiseOrValue<BigNumberish>,
       overrides?: CallOverrides
     ): Promise<
       [
@@ -615,7 +635,7 @@ export interface P2PIX extends BaseContract {
     owner(overrides?: CallOverrides): Promise<[string]>;
 
     release(
-      lockID: PromiseOrValue<BytesLike>,
+      lockID: PromiseOrValue<BigNumberish>,
       _relayerTarget: PromiseOrValue<string>,
       pixTimestamp: PromiseOrValue<BytesLike>,
       r: PromiseOrValue<BytesLike>,
@@ -676,7 +696,7 @@ export interface P2PIX extends BaseContract {
     ): Promise<ContractTransaction>;
 
     unlockExpired(
-      lockIDs: PromiseOrValue<BytesLike>[],
+      lockIDs: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<ContractTransaction>;
 
@@ -697,7 +717,8 @@ export interface P2PIX extends BaseContract {
 
     withdraw(
       token: PromiseOrValue<string>,
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      amount: PromiseOrValue<BigNumberish>,
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<ContractTransaction>;
 
@@ -740,6 +761,12 @@ export interface P2PIX extends BaseContract {
     overrides?: CallOverrides
   ): Promise<BigNumber>;
 
+  getBalances(
+    sellers: PromiseOrValue<string>[],
+    token: PromiseOrValue<string>,
+    overrides?: CallOverrides
+  ): Promise<BigNumber[]>;
+
   getPixTarget(
     seller: PromiseOrValue<string>,
     token: PromiseOrValue<string>,
@@ -760,14 +787,14 @@ export interface P2PIX extends BaseContract {
     _relayerPremium: PromiseOrValue<BigNumberish>,
     _amount: PromiseOrValue<BigNumberish>,
     merkleProof: PromiseOrValue<BytesLike>[],
-    expiredLocks: PromiseOrValue<BytesLike>[],
+    expiredLocks: PromiseOrValue<BigNumberish>[],
     overrides?: Overrides & { from?: PromiseOrValue<string> }
   ): Promise<ContractTransaction>;
 
   lockCounter(overrides?: CallOverrides): Promise<BigNumber>;
 
   mapLocks(
-    arg0: PromiseOrValue<BytesLike>,
+    arg0: PromiseOrValue<BigNumberish>,
     overrides?: CallOverrides
   ): Promise<
     [
@@ -798,7 +825,7 @@ export interface P2PIX extends BaseContract {
   owner(overrides?: CallOverrides): Promise<string>;
 
   release(
-    lockID: PromiseOrValue<BytesLike>,
+    lockID: PromiseOrValue<BigNumberish>,
     _relayerTarget: PromiseOrValue<string>,
     pixTimestamp: PromiseOrValue<BytesLike>,
     r: PromiseOrValue<BytesLike>,
@@ -859,7 +886,7 @@ export interface P2PIX extends BaseContract {
   ): Promise<ContractTransaction>;
 
   unlockExpired(
-    lockIDs: PromiseOrValue<BytesLike>[],
+    lockIDs: PromiseOrValue<BigNumberish>[],
     overrides?: Overrides & { from?: PromiseOrValue<string> }
   ): Promise<ContractTransaction>;
 
@@ -880,7 +907,8 @@ export interface P2PIX extends BaseContract {
 
   withdraw(
     token: PromiseOrValue<string>,
-    expiredLocks: PromiseOrValue<BytesLike>[],
+    amount: PromiseOrValue<BigNumberish>,
+    expiredLocks: PromiseOrValue<BigNumberish>[],
     overrides?: Overrides & { from?: PromiseOrValue<string> }
   ): Promise<ContractTransaction>;
 
@@ -923,6 +951,12 @@ export interface P2PIX extends BaseContract {
       overrides?: CallOverrides
     ): Promise<BigNumber>;
 
+    getBalances(
+      sellers: PromiseOrValue<string>[],
+      token: PromiseOrValue<string>,
+      overrides?: CallOverrides
+    ): Promise<BigNumber[]>;
+
     getPixTarget(
       seller: PromiseOrValue<string>,
       token: PromiseOrValue<string>,
@@ -943,14 +977,14 @@ export interface P2PIX extends BaseContract {
       _relayerPremium: PromiseOrValue<BigNumberish>,
       _amount: PromiseOrValue<BigNumberish>,
       merkleProof: PromiseOrValue<BytesLike>[],
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: CallOverrides
-    ): Promise<string>;
+    ): Promise<BigNumber>;
 
     lockCounter(overrides?: CallOverrides): Promise<BigNumber>;
 
     mapLocks(
-      arg0: PromiseOrValue<BytesLike>,
+      arg0: PromiseOrValue<BigNumberish>,
       overrides?: CallOverrides
     ): Promise<
       [
@@ -981,7 +1015,7 @@ export interface P2PIX extends BaseContract {
     owner(overrides?: CallOverrides): Promise<string>;
 
     release(
-      lockID: PromiseOrValue<BytesLike>,
+      lockID: PromiseOrValue<BigNumberish>,
       _relayerTarget: PromiseOrValue<string>,
       pixTimestamp: PromiseOrValue<BytesLike>,
       r: PromiseOrValue<BytesLike>,
@@ -1042,7 +1076,7 @@ export interface P2PIX extends BaseContract {
     ): Promise<void>;
 
     unlockExpired(
-      lockIDs: PromiseOrValue<BytesLike>[],
+      lockIDs: PromiseOrValue<BigNumberish>[],
       overrides?: CallOverrides
     ): Promise<void>;
 
@@ -1063,9 +1097,10 @@ export interface P2PIX extends BaseContract {
 
     withdraw(
       token: PromiseOrValue<string>,
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      amount: PromiseOrValue<BigNumberish>,
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: CallOverrides
-    ): Promise<BigNumber>;
+    ): Promise<void>;
 
     withdrawBalance(overrides?: CallOverrides): Promise<void>;
   };
@@ -1108,15 +1143,15 @@ export interface P2PIX extends BaseContract {
     ): FundsWithdrawnEventFilter;
     FundsWithdrawn(owner?: null, amount?: null): FundsWithdrawnEventFilter;
 
-    "LockAdded(address,bytes32,uint256,uint256)"(
+    "LockAdded(address,uint256,uint256,uint256)"(
       buyer?: PromiseOrValue<string> | null,
-      lockID?: PromiseOrValue<BytesLike> | null,
+      lockID?: PromiseOrValue<BigNumberish> | null,
       seller?: null,
       amount?: null
     ): LockAddedEventFilter;
     LockAdded(
       buyer?: PromiseOrValue<string> | null,
-      lockID?: PromiseOrValue<BytesLike> | null,
+      lockID?: PromiseOrValue<BigNumberish> | null,
       seller?: null,
       amount?: null
     ): LockAddedEventFilter;
@@ -1124,7 +1159,7 @@ export interface P2PIX extends BaseContract {
     "LockBlocksUpdated(uint256)"(blocks?: null): LockBlocksUpdatedEventFilter;
     LockBlocksUpdated(blocks?: null): LockBlocksUpdatedEventFilter;
 
-    "LockReleased(address,bytes32,uint256)"(
+    "LockReleased(address,uint256,uint256)"(
       buyer?: PromiseOrValue<string> | null,
       lockId?: null,
       amount?: null
@@ -1135,7 +1170,7 @@ export interface P2PIX extends BaseContract {
       amount?: null
     ): LockReleasedEventFilter;
 
-    "LockReturned(address,bytes32)"(
+    "LockReturned(address,uint256)"(
       buyer?: PromiseOrValue<string> | null,
       lockId?: null
     ): LockReturnedEventFilter;
@@ -1216,6 +1251,12 @@ export interface P2PIX extends BaseContract {
       overrides?: CallOverrides
     ): Promise<BigNumber>;
 
+    getBalances(
+      sellers: PromiseOrValue<string>[],
+      token: PromiseOrValue<string>,
+      overrides?: CallOverrides
+    ): Promise<BigNumber>;
+
     getPixTarget(
       seller: PromiseOrValue<string>,
       token: PromiseOrValue<string>,
@@ -1236,21 +1277,21 @@ export interface P2PIX extends BaseContract {
       _relayerPremium: PromiseOrValue<BigNumberish>,
       _amount: PromiseOrValue<BigNumberish>,
       merkleProof: PromiseOrValue<BytesLike>[],
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<BigNumber>;
 
     lockCounter(overrides?: CallOverrides): Promise<BigNumber>;
 
     mapLocks(
-      arg0: PromiseOrValue<BytesLike>,
+      arg0: PromiseOrValue<BigNumberish>,
       overrides?: CallOverrides
     ): Promise<BigNumber>;
 
     owner(overrides?: CallOverrides): Promise<BigNumber>;
 
     release(
-      lockID: PromiseOrValue<BytesLike>,
+      lockID: PromiseOrValue<BigNumberish>,
       _relayerTarget: PromiseOrValue<string>,
       pixTimestamp: PromiseOrValue<BytesLike>,
       r: PromiseOrValue<BytesLike>,
@@ -1311,7 +1352,7 @@ export interface P2PIX extends BaseContract {
     ): Promise<BigNumber>;
 
     unlockExpired(
-      lockIDs: PromiseOrValue<BytesLike>[],
+      lockIDs: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<BigNumber>;
 
@@ -1332,7 +1373,8 @@ export interface P2PIX extends BaseContract {
 
     withdraw(
       token: PromiseOrValue<string>,
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      amount: PromiseOrValue<BigNumberish>,
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<BigNumber>;
 
@@ -1376,6 +1418,12 @@ export interface P2PIX extends BaseContract {
       overrides?: CallOverrides
     ): Promise<PopulatedTransaction>;
 
+    getBalances(
+      sellers: PromiseOrValue<string>[],
+      token: PromiseOrValue<string>,
+      overrides?: CallOverrides
+    ): Promise<PopulatedTransaction>;
+
     getPixTarget(
       seller: PromiseOrValue<string>,
       token: PromiseOrValue<string>,
@@ -1396,21 +1444,21 @@ export interface P2PIX extends BaseContract {
       _relayerPremium: PromiseOrValue<BigNumberish>,
       _amount: PromiseOrValue<BigNumberish>,
       merkleProof: PromiseOrValue<BytesLike>[],
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<PopulatedTransaction>;
 
     lockCounter(overrides?: CallOverrides): Promise<PopulatedTransaction>;
 
     mapLocks(
-      arg0: PromiseOrValue<BytesLike>,
+      arg0: PromiseOrValue<BigNumberish>,
       overrides?: CallOverrides
     ): Promise<PopulatedTransaction>;
 
     owner(overrides?: CallOverrides): Promise<PopulatedTransaction>;
 
     release(
-      lockID: PromiseOrValue<BytesLike>,
+      lockID: PromiseOrValue<BigNumberish>,
       _relayerTarget: PromiseOrValue<string>,
       pixTimestamp: PromiseOrValue<BytesLike>,
       r: PromiseOrValue<BytesLike>,
@@ -1471,7 +1519,7 @@ export interface P2PIX extends BaseContract {
     ): Promise<PopulatedTransaction>;
 
     unlockExpired(
-      lockIDs: PromiseOrValue<BytesLike>[],
+      lockIDs: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<PopulatedTransaction>;
 
@@ -1492,7 +1540,8 @@ export interface P2PIX extends BaseContract {
 
     withdraw(
       token: PromiseOrValue<string>,
-      expiredLocks: PromiseOrValue<BytesLike>[],
+      amount: PromiseOrValue<BigNumberish>,
+      expiredLocks: PromiseOrValue<BigNumberish>[],
       overrides?: Overrides & { from?: PromiseOrValue<string> }
     ): Promise<PopulatedTransaction>;
 
diff --git a/test/p2pix.test.ts b/test/p2pix.test.ts
index ab7f92e..0e648f7 100644
--- a/test/p2pix.test.ts
+++ b/test/p2pix.test.ts
@@ -1,1774 +1,1866 @@
-// import "@nomicfoundation/hardhat-chai-matchers";
-// import {
-//   loadFixture,
-//   mine,
-// } from "@nomicfoundation/hardhat-network-helpers";
-// import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
-// import { expect } from "chai";
-// import {
-//   BigNumber,
-//   ContractReceipt,
-//   ContractTransaction,
-//   Wallet,
-// } from "ethers";
-// import {
-//   ethers,
-//   network,
-//   /* tracer */
-// } from "hardhat";
-
-// // import keccak256 from "keccak256";
-// import { MockToken, P2PIX, Reputation } from "../src/types";
-// import { P2PixErrors } from "./utils/errors";
-// import {
-//   Deposit,
-//   Lock,
-//   getSignerAddrs,
-//   p2pixFixture,
-//   randomSigners,
-// } from "./utils/fixtures";
-
-// describe("P2PIX", () => {
-//   type WalletWithAddress = Wallet & SignerWithAddress;
-
-//   // contract deployer/admin
-//   let owner: WalletWithAddress;
-
-//   // extra EOAs
-//   let acc01: WalletWithAddress;
-//   let acc02: WalletWithAddress;
-//   let acc03: WalletWithAddress;
-
-//   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-//   let res: any;
-
-//   let p2pix: P2PIX; // Contract instance
-//   let erc20: MockToken; // Token instance
-//   let reputation: Reputation; // Reputation Interface instance
-//   let merkleRoot: string; // MerkleRoot from seller's allowlist
-//   let proof: string[]; // Owner's proof as whitelisted address
-
-//   const fundAmount: BigNumber =
-//     ethers.utils.parseEther("10000");
-//   const price: BigNumber = ethers.utils.parseEther("100");
-
-//   const zero = ethers.constants.AddressZero;
-
-//   before("Set signers and reset network", async () => {
-//     [owner, acc01, acc02, acc03] =
-//       await // eslint-disable-next-line @typescript-eslint/no-explicit-any
-//       (ethers as any).getSigners();
-
-//     await network.provider.send("hardhat_reset");
-//   });
-//   beforeEach("Load deployment fixtures", async () => {
-//     ({ erc20, p2pix, reputation, merkleRoot, proof } =
-//       await loadFixture(p2pixFixture));
-//   });
-
-//   describe("Init", async () => {
-//     it("P2PIX, Reputation and ERC20 should initialize", async () => {
-//       // tracer.enabled = true;
-//       await p2pix.deployed();
-//       // tracer.enabled = false;
-//       await erc20.deployed();
-//       await reputation.deployed();
-//       expect(p2pix).to.be.ok;
-//       expect(erc20).to.be.ok;
-//       expect(reputation).to.be.ok;
-//       const ownerKey = await p2pix._castAddrToKey(
-//         owner.address,
-//       );
-//       const acc01Key = await p2pix._castAddrToKey(
-//         acc01.address,
-//       );
-
-//       // storage checks
-//       expect(
-//         await p2pix.callStatic.defaultLockBlocks(),
-//       ).to.eq(10);
-//       expect(await p2pix.callStatic.reputation()).to.eq(
-//         reputation.address,
-//       );
-//       expect(await p2pix.callStatic.depositCount()).to.eq(0);
-//       expect(
-//         await p2pix.callStatic.validBacenSigners(ownerKey),
-//       ).to.eq(true);
-//       expect(
-//         await p2pix.callStatic.validBacenSigners(acc01Key),
-//       ).to.eq(true);
-//       expect(
-//         await p2pix.callStatic.allowedERC20s(erc20.address),
-//       ).to.eq(true);
-
-//       // event emission
-//       await expect(await p2pix.deployTransaction)
-//         .to.emit(p2pix, "OwnerUpdated")
-//         .withArgs(zero, owner.address)
-//         .and.to.emit(p2pix, "LockBlocksUpdated")
-//         .withArgs(10)
-//         .and.to.emit(p2pix, "ReputationUpdated")
-//         .withArgs(reputation.address)
-//         .and.to.emit(p2pix, "ValidSignersUpdated")
-//         .withArgs([owner.address, acc01.address])
-//         .and.to.emit(p2pix, "AllowedERC20Updated")
-//         .withArgs(erc20.address, true);
-//     });
-
-//     it("accounts have been funded", async () => {
-//       // can't be eq to fundAmount due to contract deployment cost
-//       res = await ethers.provider.getBalance(owner.address);
-//       expect(res.toString()).to.have.lengthOf(22);
-//       // console.log(res); // lengthOf = 22
-//       // console.log(fundAmount); // lengthOf = 23
-
-//       // those should eq to hardhat prefunded account's value
-//       expect(
-//         await ethers.provider.getBalance(acc01.address),
-//       ).to.eq(fundAmount);
-//       expect(
-//         await ethers.provider.getBalance(acc02.address),
-//       ).to.eq(fundAmount);
-//       expect(
-//         await ethers.provider.getBalance(acc03.address),
-//       ).to.eq(fundAmount);
-//     });
-//   });
-
-//   // each describe tests a set of functionalities of the contract's behavior
-//   describe("Owner Functions", async () => {
-//     it("should allow owner to withdraw contract's balance", async () => {
-//       const oldBal = await p2pix.provider.getBalance(
-//         p2pix.address,
-//       );
-//       // this call also tests p2pix's receive() fallback mechanism.
-//       const tx1 = await acc01.sendTransaction({
-//         to: p2pix.address,
-//         value: price,
-//       });
-//       const newBal = await p2pix.provider.getBalance(
-//         p2pix.address,
-//       );
-
-//       expect(tx1).to.be.ok;
-//       expect(oldBal).to.eq(0);
-//       expect(newBal).to.eq(price);
-
-//       await expect(p2pix.withdrawBalance())
-//         .to.changeEtherBalances(
-//           [owner.address, p2pix.address],
-//           [price, "-100000000000000000000"],
-//         )
-//         .and.to.emit(p2pix, "FundsWithdrawn")
-//         .withArgs(owner.address, price);
-
-//       await expect(
-//         p2pix.connect(acc01).withdrawBalance(),
-//       ).to.be.revertedWith(P2PixErrors.UNAUTHORIZED);
-//     });
-//     it("should allow owner to change reputation instance", async () => {
-//       const tx = await p2pix.setReputation(acc03.address);
-//       const newRep = await p2pix.callStatic.reputation();
-//       const fail = p2pix
-//         .connect(acc02)
-//         .setReputation(owner.address);
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "ReputationUpdated")
-//         .withArgs(acc03.address);
-//       expect(newRep).to.eq(acc03.address);
-//       await expect(fail).to.be.revertedWith(
-//         P2PixErrors.UNAUTHORIZED,
-//       );
-//     });
-//     it("should allow owner to change defaultLockBlocks ", async () => {
-//       const magicVal = 1337;
-//       const tx = await p2pix.setDefaultLockBlocks(magicVal);
-//       const newVal =
-//         await p2pix.callStatic.defaultLockBlocks();
-//       const fail = p2pix
-//         .connect(acc02)
-//         .setDefaultLockBlocks(0);
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "LockBlocksUpdated")
-//         .withArgs(magicVal);
-//       expect(newVal).to.eq(magicVal);
-//       await expect(fail).to.be.revertedWith(
-//         P2PixErrors.UNAUTHORIZED,
-//       );
-//     });
-//     it("should allow owner to add valid Bacen signers", async () => {
-//       const newSigners = randomSigners(2);
-//       const bob = await newSigners[0].getAddress();
-//       const alice = await newSigners[1].getAddress();
-//       const bobCasted = await p2pix._castAddrToKey(bob);
-//       const aliceCasted = await p2pix._castAddrToKey(alice);
-//       const tx = await p2pix.setValidSigners([bob, alice]);
-//       const newSigner1 =
-//         await p2pix.callStatic.validBacenSigners(bobCasted);
-//       const newSigner2 =
-//         await p2pix.callStatic.validBacenSigners(aliceCasted);
-//       const fail = p2pix
-//         .connect(acc03)
-//         .setValidSigners([owner.address, acc02.address]);
-
-//       expect(tx).to.be.ok;
-//       expect(newSigner1).to.eq(true);
-//       expect(newSigner2).to.eq(true);
-//       await expect(tx)
-//         .to.emit(p2pix, "ValidSignersUpdated")
-//         .withArgs([bob, alice]);
-//       await expect(fail).to.be.revertedWith(
-//         P2PixErrors.UNAUTHORIZED,
-//       );
-//     });
-//     it("should allow owner to adjust tokenSettings", async () => {
-//       const tx = await p2pix.tokenSettings(
-//         [erc20.address, owner.address],
-//         [false, true],
-//       );
-//       const newTokenState1 =
-//         await p2pix.callStatic.allowedERC20s(erc20.address);
-//       const newTokenState2 =
-//         await p2pix.callStatic.allowedERC20s(owner.address);
-//       const fail = p2pix
-//         .connect(acc01)
-//         .tokenSettings([acc01.address], [false]);
-//       const fail2 = p2pix.tokenSettings([], [true, false]);
-//       const fail3 = p2pix.tokenSettings([zero], [true, true]);
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "AllowedERC20Updated")
-//         .withArgs(erc20.address, false)
-//         .and.to.emit(p2pix, "AllowedERC20Updated")
-//         .withArgs(owner.address, true);
-//       expect(newTokenState1).to.eq(false);
-//       expect(newTokenState2).to.eq(true);
-//       await expect(fail).to.be.revertedWith(
-//         P2PixErrors.UNAUTHORIZED,
-//       );
-//       await expect(fail).to.be.revertedWith(
-//         P2PixErrors.UNAUTHORIZED,
-//       );
-//       await expect(fail2).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.NoTokens,
-//       );
-//       await expect(fail3).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.LengthMismatch,
-//       );
-//     });
-//   });
-//   describe("Deposit", async () => {
-//     it("should revert if ERC20 is not allowed", async () => {
-//       const pTarget = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("_pixTarget"),
-//       );
-//       const root = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("root"),
-//       );
-//       const tx = p2pix.deposit(
-//         owner.address,
-//         1,
-//         pTarget,
-//         root,
-//       );
-
-//       await expect(tx).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.TokenDenied,
-//       );
-//     });
-//     it("should create deposit, update storage and emit event", async () => {
-//       const pTarget = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("_pixTarget"),
-//       );
-//       // we use `hashZero` to avoid updating seller's allowlist settings
-//       const root = ethers.constants.HashZero;
-//       await erc20.approve(p2pix.address, price);
-//       const tx = await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         pTarget,
-//         root,
-//       );
-//       const storage: Deposit = await p2pix.mapDeposits(0);
-//       const ownerKey = await p2pix.callStatic._castAddrToKey(
-//         owner.address,
-//       );
-//       const allowList = await p2pix.sellerAllowList(ownerKey);
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "DepositAdded")
-//         .withArgs(owner.address, 0, erc20.address, price);
-//       await expect(tx).to.changeTokenBalances(
-//         erc20,
-//         [owner.address, p2pix.address],
-//         ["-100000000000000000000", price],
-//       );
-//       expect(storage.remaining).to.eq(price);
-//       expect(storage.pixTarget).to.eq(pTarget);
-//       expect(storage.seller).to.eq(owner.address);
-//       expect(storage.token).to.eq(erc20.address);
-//       expect(storage.valid).to.eq(true);
-//       expect(allowList).to.eq(root);
-//     });
-//     // edge case test
-//     it("should create multiple deposits", async () => {
-//       const ownerKey = await p2pix.callStatic._castAddrToKey(
-//         owner.address,
-//       );
-//       const acc01Key = await p2pix.callStatic._castAddrToKey(
-//         acc01.address,
-//       );
-//       const acc02Key = await p2pix.callStatic._castAddrToKey(
-//         acc02.address,
-//       );
-//       const acc03Key = await p2pix.callStatic._castAddrToKey(
-//         acc03.address,
-//       );
-
-//       const pTarget = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("_pixTarget"),
-//       );
-//       const pTarget2 = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("_pixTarget2"),
-//       );
-//       const pTarget3 = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("_pixTarget3"),
-//       );
-//       // we mock the allowlist root here only to test storage update. In depth
-//       // allowlist test coverage in both "Lock" and "Allowlist Settings" unit tests.
-//       const root = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("root"),
-//       );
-//       const nullRoot = ethers.constants.HashZero;
-//       const price2 = price.mul(ethers.BigNumber.from(2));
-//       const price3 = price.mul(ethers.BigNumber.from(3));
-//       const price4 = price.mul(ethers.BigNumber.from(4));
-//       await erc20.mint(
-//         getSignerAddrs(4, await ethers.getSigners()),
-//         price4,
-//       );
-//       await erc20
-//         .connect(owner)
-//         .approve(p2pix.address, price);
-//       await erc20
-//         .connect(acc01)
-//         .approve(p2pix.address, price2);
-//       await erc20
-//         .connect(acc02)
-//         .approve(p2pix.address, price3);
-//       await erc20
-//         .connect(acc03)
-//         .approve(p2pix.address, price4);
-
-//       const tx = await p2pix
-//         .connect(owner)
-//         .deposit(erc20.address, price, pTarget, root);
-//       const tx2 = await p2pix
-//         .connect(acc01)
-//         .deposit(erc20.address, price2, pTarget2, nullRoot);
-//       const tx3 = await p2pix
-//         .connect(acc02)
-//         .deposit(erc20.address, price3, pTarget3, root);
-//       const tx4 = await p2pix
-//         .connect(acc03)
-//         .deposit(erc20.address, price4, pTarget, nullRoot);
-
-//       const storage1: Deposit = await p2pix.mapDeposits(0);
-//       const storage2: Deposit = await p2pix.mapDeposits(1);
-//       const storage3: Deposit = await p2pix.mapDeposits(2);
-//       const storage4: Deposit = await p2pix.mapDeposits(3);
-
-//       const allowList1 = await p2pix.sellerAllowList(
-//         ownerKey,
-//       );
-//       const allowList2 = await p2pix.sellerAllowList(
-//         acc01Key,
-//       );
-//       const allowList3 = await p2pix.sellerAllowList(
-//         acc02Key,
-//       );
-//       const allowList4 = await p2pix.sellerAllowList(
-//         acc03Key,
-//       );
-
-//       expect(tx).to.be.ok;
-//       expect(tx2).to.be.ok;
-//       expect(tx3).to.be.ok;
-//       expect(tx4).to.be.ok;
-
-//       await expect(tx)
-//         .to.emit(p2pix, "DepositAdded")
-//         .withArgs(owner.address, 0, erc20.address, price);
-//       await expect(tx).to.changeTokenBalances(
-//         erc20,
-//         [owner.address, p2pix.address],
-//         ["-100000000000000000000", price],
-//       );
-
-//       await expect(tx2)
-//         .to.emit(p2pix, "DepositAdded")
-//         .withArgs(acc01.address, 1, erc20.address, price2);
-//       await expect(tx2).to.changeTokenBalances(
-//         erc20,
-//         [acc01.address, p2pix.address],
-//         ["-200000000000000000000", price2],
-//       );
-
-//       await expect(tx3)
-//         .to.emit(p2pix, "DepositAdded")
-//         .withArgs(acc02.address, 2, erc20.address, price3);
-//       await expect(tx3).to.changeTokenBalances(
-//         erc20,
-//         [acc02.address, p2pix.address],
-//         ["-300000000000000000000", price3],
-//       );
-
-//       await expect(tx4)
-//         .to.emit(p2pix, "DepositAdded")
-//         .withArgs(acc03.address, 3, erc20.address, price4);
-//       await expect(tx4).to.changeTokenBalances(
-//         erc20,
-//         [acc03.address, p2pix.address],
-//         ["-400000000000000000000", price4],
-//       );
-
-//       expect(storage1.remaining).to.eq(price);
-//       expect(storage1.pixTarget).to.eq(pTarget);
-//       expect(storage1.seller).to.eq(owner.address);
-//       expect(storage1.token).to.eq(erc20.address);
-//       expect(storage1.valid).to.eq(true);
-//       expect(allowList1).to.eq(root);
-
-//       expect(storage2.remaining).to.eq(price2);
-//       expect(storage2.pixTarget).to.eq(pTarget2);
-//       expect(storage2.seller).to.eq(acc01.address);
-//       expect(storage2.token).to.eq(erc20.address);
-//       expect(storage2.valid).to.eq(true);
-//       expect(allowList2).to.eq(nullRoot);
-
-//       expect(storage3.remaining).to.eq(price3);
-//       expect(storage3.pixTarget).to.eq(pTarget3);
-//       expect(storage3.seller).to.eq(acc02.address);
-//       expect(storage3.token).to.eq(erc20.address);
-//       expect(storage3.valid).to.eq(true);
-//       expect(allowList3).to.eq(root);
-
-//       expect(storage4.remaining).to.eq(price4);
-//       expect(storage4.pixTarget).to.eq(pTarget);
-//       expect(storage4.seller).to.eq(acc03.address);
-//       expect(storage4.token).to.eq(erc20.address);
-//       expect(storage4.valid).to.eq(true);
-//       expect(allowList4).to.eq(nullRoot);
-//     });
-//   });
-//   describe("Lock", async () => {
-//     it("should revert if deposit is invalid", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await p2pix.cancelDeposit(0);
-//       const fail = p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price,
-//           [],
-//           [],
-//         );
-//       const fail2 = p2pix.lock(
-//         2,
-//         zero,
-//         zero,
-//         0,
-//         price,
-//         [],
-//         [],
-//       );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.InvalidDeposit,
-//       );
-//       await expect(fail2).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.InvalidDeposit,
-//       );
-//     });
-//     it("should revert if wished amount is greater than deposit's remaining amount", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       const fail = p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price.mul(ethers.BigNumber.from(2)),
-//           [],
-//           [],
-//         );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.NotEnoughTokens,
-//       );
-//     });
-//     it("should revert if a non expired lock has the same ID encoded", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(0, acc02.address, acc03.address, 0, 1, [], []);
-//       const fail = p2pix
-//         .connect(acc03)
-//         .lock(0, acc02.address, acc03.address, 0, 1, [], []);
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.NotExpired,
-//       );
-//     });
-//     it("should revert if an invalid allowlist merkleproof is provided", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const fail = p2pix
-//         .connect(acc02)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           1000,
-//           [
-//             ethers.utils.keccak256(
-//               ethers.utils.toUtf8Bytes("wrong"),
-//             ),
-//           ],
-//           [],
-//         );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.AddressDenied,
-//       );
-//     });
-//     it("should revert if msg.sender does not have enough credit in his spend limit", async () => {
-//       await erc20.approve(
-//         p2pix.address,
-//         price.mul(BigNumber.from("3")),
-//       );
-//       await p2pix.deposit(
-//         erc20.address,
-//         price.mul(BigNumber.from("3")),
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const fail = p2pix
-//         .connect(acc02)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price.mul(BigNumber.from("2")),
-//           [],
-//           [],
-//         );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.AmountNotAllowed,
-//       );
-//     });
-//     it("should create a lock, update storage and emit events via the allowlist path", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const tx = await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price,
-//           proof,
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, price, acc02.address],
-//       );
-//       const storage: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-
-//       const rc: ContractReceipt = await tx.wait();
-//       const expiration = rc.blockNumber + 10;
-
-//       expect(tx).to.be.ok;
-//       expect(storage.depositID).to.eq(0);
-//       expect(storage.relayerPremium).to.eq(
-//         ethers.constants.Zero,
-//       );
-//       expect(storage.amount).to.eq(price);
-//       expect(storage.expirationBlock).to.eq(expiration);
-//       expect(storage.buyerAddress).to.eq(acc02.address);
-//       expect(storage.relayerTarget).to.eq(acc03.address);
-//       expect(storage.relayerAddress).to.eq(acc01.address);
-//       await expect(tx)
-//         .to.emit(p2pix, "LockAdded")
-//         .withArgs(
-//           acc02.address,
-//           lockID,
-//           storage.depositID,
-//           storage.amount,
-//         );
-//     });
-//     it("should create a lock, update storage and emit events via the reputation path", async () => {
-//       const root = ethers.constants.HashZero;
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         root,
-//       );
-//       const tx = await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, price, acc02.address],
-//       );
-//       const storage: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-
-//       const rc: ContractReceipt = await tx.wait();
-//       const expiration = rc.blockNumber + 10;
-
-//       expect(tx).to.be.ok;
-//       expect(storage.depositID).to.eq(0);
-//       expect(storage.relayerPremium).to.eq(
-//         ethers.constants.Zero,
-//       );
-//       expect(storage.amount).to.eq(price);
-//       expect(storage.expirationBlock).to.eq(expiration);
-//       expect(storage.buyerAddress).to.eq(acc02.address);
-//       expect(storage.relayerTarget).to.eq(acc03.address);
-//       expect(storage.relayerAddress).to.eq(acc01.address);
-//       await expect(tx)
-//         .to.emit(p2pix, "LockAdded")
-//         .withArgs(
-//           acc02.address,
-//           lockID,
-//           storage.depositID,
-//           storage.amount,
-//         );
-//     });
-//     // edge case test
-//     it("should create multiple locks", async () => {
-//       const newPrice = price.div(ethers.BigNumber.from(2));
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const tx1 = await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           newPrice,
-//           proof,
-//           [],
-//         );
-//       const lockID1 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, newPrice, acc02.address],
-//       );
-//       const storage1: Lock = await p2pix.callStatic.mapLocks(
-//         lockID1,
-//       );
-
-//       const rc1: ContractReceipt = await tx1.wait();
-//       const expiration1 = rc1.blockNumber + 10;
-
-//       const tx2 = await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID2 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       const storage2: Lock = await p2pix.callStatic.mapLocks(
-//         lockID2,
-//       );
-
-//       const rc2: ContractReceipt = await tx2.wait();
-//       const expiration2 = rc2.blockNumber + 10;
-
-//       const tx3 = await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc03.address,
-//           acc03.address,
-//           0,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID3 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc03.address],
-//       );
-//       const storage3: Lock = await p2pix.callStatic.mapLocks(
-//         lockID3,
-//       );
-
-//       const rc3: ContractReceipt = await tx3.wait();
-//       const expiration3 = rc3.blockNumber + 10;
-
-//       expect(tx1).to.be.ok;
-//       expect(tx2).to.be.ok;
-//       expect(tx3).to.be.ok;
-
-//       expect(0)
-//         .to.eq(storage1.depositID)
-//         .and.to.eq(storage2.depositID)
-//         .and.to.eq(storage3.depositID);
-
-//       expect(ethers.constants.Zero)
-//         .to.eq(storage1.relayerPremium)
-//         .and.to.eq(storage2.relayerPremium)
-//         .and.to.eq(storage3.relayerPremium);
-
-//       expect(storage1.amount).to.eq(newPrice);
-//       expect(ethers.BigNumber.from(100))
-//         .to.eq(storage2.amount)
-//         .and.to.eq(storage3.amount);
-
-//       expect(storage1.expirationBlock).to.eq(expiration1);
-//       expect(storage2.expirationBlock).to.eq(expiration2);
-//       expect(storage3.expirationBlock).to.eq(expiration3);
-
-//       expect(acc02.address)
-//         .to.eq(storage1.buyerAddress)
-//         .and.to.eq(storage2.buyerAddress);
-//       expect(storage3.buyerAddress).to.eq(acc03.address);
-
-//       expect(acc03.address)
-//         .to.eq(storage1.relayerTarget)
-//         .and.to.eq(storage2.relayerTarget)
-//         .and.to.eq(storage3.relayerTarget);
-
-//       expect(acc01.address)
-//         .to.eq(storage1.relayerAddress)
-//         .and.to.eq(storage2.relayerAddress);
-//       expect(storage3.relayerAddress).to.eq(acc03.address);
-
-//       await expect(tx1)
-//         .to.emit(p2pix, "LockAdded")
-//         .withArgs(
-//           acc02.address,
-//           lockID1,
-//           storage1.depositID,
-//           storage1.amount,
-//         );
-//       await expect(tx2)
-//         .to.emit(p2pix, "LockAdded")
-//         .withArgs(
-//           acc02.address,
-//           lockID2,
-//           storage2.depositID,
-//           storage2.amount,
-//         );
-//       await expect(tx3)
-//         .to.emit(p2pix, "LockAdded")
-//         .withArgs(
-//           acc03.address,
-//           lockID3,
-//           storage3.depositID,
-//           storage3.amount,
-//         );
-//     });
-//   });
-//   describe("Cancel Deposit", async () => {
-//     it("should revert if the msg.sender isn't the deposit's seller", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const fail = p2pix.connect(acc01).cancelDeposit(0);
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.OnlySeller,
-//       );
-//     });
-//     it("should cancel deposit, update storage and emit events", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const state1: Deposit =
-//         await p2pix.callStatic.mapDeposits(0);
-//       const tx = await p2pix.cancelDeposit(0);
-//       const state2: Deposit =
-//         await p2pix.callStatic.mapDeposits(0);
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "DepositClosed")
-//         .withArgs(owner.address, 0);
-//       expect(state1.valid).to.be.true;
-//       expect(state2.valid).to.be.false;
-//     });
-//     it("should cancel multiple deposits", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       const oldState1: Deposit =
-//         await p2pix.callStatic.mapDeposits(0);
-//       const oldState2: Deposit =
-//         await p2pix.callStatic.mapDeposits(1);
-//       const oldState3: Deposit =
-//         await p2pix.callStatic.mapDeposits(2);
-//       const tx1 = await p2pix.cancelDeposit(0);
-//       const tx2 = await p2pix.cancelDeposit(1);
-//       const tx3 = await p2pix.cancelDeposit(2);
-//       const newState1: Deposit =
-//         await p2pix.callStatic.mapDeposits(0);
-//       const newState2: Deposit =
-//         await p2pix.callStatic.mapDeposits(1);
-//       const newState3: Deposit =
-//         await p2pix.callStatic.mapDeposits(2);
-
-//       expect(tx1).to.be.ok;
-//       expect(tx2).to.be.ok;
-//       expect(tx3).to.be.ok;
-//       await expect(tx1)
-//         .to.emit(p2pix, "DepositClosed")
-//         .withArgs(owner.address, 0);
-//       await expect(tx2)
-//         .to.emit(p2pix, "DepositClosed")
-//         .withArgs(owner.address, 1);
-//       await expect(tx3)
-//         .to.emit(p2pix, "DepositClosed")
-//         .withArgs(owner.address, 2);
-//       expect(oldState1.valid).to.be.true;
-//       expect(oldState2.valid).to.be.true;
-//       expect(oldState3.valid).to.be.true;
-//       expect(newState1.valid).to.be.false;
-//       expect(newState2.valid).to.be.false;
-//       expect(newState3.valid).to.be.false;
-//     });
-//   });
-//   describe("Release", async () => {
-//     it("should revert if lock has expired", async () => {
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         ["pixTarget", 100, ethers.constants.HashZero],
-//       );
-//       const flatSig = await acc01.signMessage(
-//         ethers.utils.arrayify(messageToSign),
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       await mine(13);
-//       const fail = p2pix.release(
-//         lockID,
-//         acc03.address,
-//         ethers.constants.HashZero,
-//         sig.r,
-//         sig.s,
-//         sig.v,
-//       );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.LockExpired,
-//       );
-//     });
-//     it("should revert if lock has already been released", async () => {
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         ["pixTarget", 100, ethers.constants.HashZero],
-//       );
-//       const flatSig = await acc01.signMessage(
-//         ethers.utils.arrayify(messageToSign),
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       await p2pix.release(
-//         lockID,
-//         acc03.address,
-//         ethers.constants.HashZero,
-//         sig.r,
-//         sig.s,
-//         sig.v,
-//       );
-//       const fail = p2pix.release(
-//         lockID,
-//         acc03.address,
-//         ethers.constants.HashZero,
-//         sig.r,
-//         sig.s,
-//         sig.v,
-//       );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.AlreadyReleased,
-//       );
-//     });
-//     it("should revert if signed message has already been used", async () => {
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         ["pixTarget", 100, ethers.constants.HashZero],
-//       );
-//       const flatSig = await owner.signMessage(
-//         ethers.utils.arrayify(messageToSign),
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       await p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID,
-//           acc02.address,
-//           ethers.constants.HashZero,
-//           sig.r,
-//           sig.s,
-//           sig.v,
-//         );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID2 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       const fail = p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID2,
-//           acc02.address,
-//           ethers.constants.HashZero,
-//           sig.r,
-//           sig.s,
-//           sig.v,
-//         );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.TxAlreadyUsed,
-//       );
-//     });
-//     it("should revert if ecrecovered signer is invalid", async () => {
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         ["pixTarget", 100, ethers.constants.HashZero],
-//       );
-//       const flatSig = await acc03.signMessage(
-//         ethers.utils.arrayify(messageToSign),
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         ethers.constants.HashZero,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       const fail = p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID,
-//           acc02.address,
-//           ethers.constants.HashZero,
-//           sig.r,
-//           sig.s,
-//           sig.v,
-//         );
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.InvalidSigner,
-//       );
-//     });
-//     it("should release lock, update storage and emit events", async () => {
-//       const endtoendID = ethers.constants.HashZero;
-//       const pixTarget = "pixTarget";
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         [pixTarget, 100, endtoendID],
-//       );
-//       // Note: messageToSign is a string, that is 66-bytes long, to sign the
-//       //       binary value, we must convert it to the 32 byte Array that
-//       //       the string represents
-//       //
-//       // i.e.,
-//       //    66-byte string
-//       //   "0x592fa743889fc7f92ac2a37bb1f5ba1daf2a5c84741ca0e0061d243a2e6707ba"
-//       //   ... vs ...
-//       //   32 entry Uint8Array
-//       //  [ 89, 47, 167, 67, 136, 159, ... 103, 7, 186]
-//       const messageHashBytes =
-//         ethers.utils.arrayify(messageToSign);
-//       const flatSig = await acc01.signMessage(
-//         messageHashBytes,
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-//       const root = ethers.constants.HashZero;
-
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         pixTarget,
-//         root,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           6,
-//           100,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       const acc01Key = await p2pix.callStatic._castAddrToKey(
-//         acc01.address,
-//       );
-//       const acc03Key = await p2pix.callStatic._castAddrToKey(
-//         acc03.address,
-//       );
-//       const userRecordA = await p2pix.callStatic.userRecord(
-//         acc01Key,
-//       );
-//       const userRecord1 = await p2pix.callStatic.userRecord(
-//         acc03Key,
-//       );
-//       const storage1: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-//       const tx = await p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID,
-//           acc02.address,
-//           endtoendID,
-//           sig.r,
-//           sig.s,
-//           sig.v,
-//         );
-//       const storage2: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-//       const userRecordB = await p2pix.callStatic.userRecord(
-//         acc01Key,
-//       );
-//       const userRecord2 = await p2pix.callStatic.userRecord(
-//         acc03Key,
-//       );
-//       const used = await p2pix.callStatic.usedTransactions(
-//         messageHashBytes,
-//       );
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "LockReleased")
-//         .withArgs(acc02.address, lockID);
-//       expect(storage1.expirationBlock).to.eq(
-//         ethers.BigNumber.from(16),
-//       );
-//       expect(storage1.amount).to.eq(
-//         ethers.BigNumber.from(100),
-//       );
-//       expect(storage2.expirationBlock).to.eq(
-//         ethers.BigNumber.from(0),
-//       );
-//       expect(storage2.amount).to.eq(ethers.BigNumber.from(0));
-//       expect(used).to.eq(true);
-//       expect(userRecordA).to.eq(ethers.constants.Zero);
-//       expect(userRecord1).to.eq(ethers.constants.Zero);
-//       expect(userRecordB).to.eq(ethers.BigNumber.from(6));
-//       expect(userRecord2).to.eq(ethers.BigNumber.from(100));
-//       await expect(tx).to.changeTokenBalances(
-//         erc20,
-//         [acc03.address, acc02.address],
-//         [3, 97],
-//         // acc02 is acting both as buyer and relayerTarget
-//         // (i.e., 94 + 3 = 97)
-//       );
-//     });
-//     // edge case test
-//     it("should release multiple locks", async () => {
-//       const endtoendID = ethers.constants.HashZero;
-//       const pixTarget = "pixTarget";
-//       const root = ethers.constants.HashZero;
-//       const acc01Key = await p2pix.callStatic._castAddrToKey(
-//         acc01.address,
-//       );
-//       const acc03Key = await p2pix.callStatic._castAddrToKey(
-//         acc03.address,
-//       );
-//       const acc01Record1 = await p2pix.callStatic.userRecord(
-//         acc01Key,
-//       );
-//       const acc03Record1 = await p2pix.callStatic.userRecord(
-//         acc03Key,
-//       );
-//       const messageToSign1 = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         [pixTarget, 100, endtoendID],
-//       );
-//       const flatSig1 = await owner.signMessage(
-//         ethers.utils.arrayify(messageToSign1),
-//       );
-//       const sig1 = ethers.utils.splitSignature(flatSig1);
-//       const messageToSign2 = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         [pixTarget, 50, endtoendID],
-//       );
-//       const flatSig2 = await owner.signMessage(
-//         ethers.utils.arrayify(messageToSign2),
-//       );
-//       const sig2 = ethers.utils.splitSignature(flatSig2);
-//       const messageToSign3 = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         [pixTarget, 25, endtoendID],
-//       );
-//       const flatSig3 = await owner.signMessage(
-//         ethers.utils.arrayify(messageToSign3),
-//       );
-//       const sig3 = ethers.utils.splitSignature(flatSig3);
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         pixTarget,
-//         root,
-//       );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           100,
-//           [],
-//           [],
-//         );
-//       await p2pix
-//         .connect(acc03)
-//         .lock(0, acc02.address, acc03.address, 6, 50, [], []);
-//       await p2pix
-//         .connect(acc03)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           10,
-//           25,
-//           [],
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 100, acc02.address],
-//       );
-//       const lockID2 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 50, acc02.address],
-//       );
-//       const lockID3 = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 25, acc02.address],
-//       );
-//       // relayerPremium == 0
-//       const tx = await p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID,
-//           acc02.address,
-//           endtoendID,
-//           sig1.r,
-//           sig1.s,
-//           sig1.v,
-//         );
-//       // relayerPremium != 0 &&
-//       // lock's msg.sender != release's msg.sender
-//       const tx1 = await p2pix
-//         .connect(acc01)
-//         .release(
-//           lockID2,
-//           acc02.address,
-//           endtoendID,
-//           sig2.r,
-//           sig2.s,
-//           sig2.v,
-//         );
-//       // relayerPremium != 0 &&
-//       // lock's msg.sender == release's msg.sender
-//       const tx2 = await p2pix
-//         .connect(acc03)
-//         .release(
-//           lockID3,
-//           acc02.address,
-//           endtoendID,
-//           sig3.r,
-//           sig3.s,
-//           sig3.v,
-//         );
-//       const used1 = await p2pix.callStatic.usedTransactions(
-//         ethers.utils.arrayify(messageToSign1),
-//       );
-//       const used2 = await p2pix.callStatic.usedTransactions(
-//         ethers.utils.arrayify(messageToSign2),
-//       );
-//       const used3 = await p2pix.callStatic.usedTransactions(
-//         ethers.utils.arrayify(messageToSign3),
-//       );
-//       const acc01Record2 = await p2pix.callStatic.userRecord(
-//         acc01Key,
-//       );
-//       const acc03Record2 = await p2pix.callStatic.userRecord(
-//         acc03Key,
-//       );
-
-//       expect(tx).to.be.ok;
-//       expect(tx1).to.be.ok;
-//       expect(tx2).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "LockReleased")
-//         .withArgs(acc02.address, lockID);
-//       await expect(tx1)
-//         .to.emit(p2pix, "LockReleased")
-//         .withArgs(acc02.address, lockID2);
-//       await expect(tx2)
-//         .to.emit(p2pix, "LockReleased")
-//         .withArgs(acc02.address, lockID3);
-//       expect(used1).to.eq(true);
-//       expect(used2).to.eq(true);
-//       expect(used3).to.eq(true);
-//       expect(0).to.eq(acc01Record1).and.to.eq(acc03Record1);
-//       expect(acc01Record2).to.eq(6); // 0 + 6
-//       expect(acc03Record2).to.eq(185); // 100 + 50 + 25 + 10
-//       await expect(tx).to.changeTokenBalances(
-//         erc20,
-//         [
-//           acc01.address,
-//           acc02.address,
-//           acc03.address,
-//           p2pix.address,
-//         ],
-//         [0, 100, 0, "-100"],
-//       );
-//       await expect(tx1).to.changeTokenBalances(
-//         erc20,
-//         [
-//           acc01.address,
-//           acc02.address,
-//           acc03.address,
-//           p2pix.address,
-//         ],
-//         [0, 47, 3, "-50"],
-//       );
-//       await expect(tx2).to.changeTokenBalances(
-//         erc20,
-//         [
-//           acc01.address,
-//           acc02.address,
-//           acc03.address,
-//           p2pix.address,
-//         ],
-//         [0, 20, 5, "-25"],
-//       );
-//     });
-//   });
-//   describe("Unexpire Locks", async () => {
-//     it("should revert if lock isn't expired", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc02)
-//         .lock(0, acc02.address, acc03.address, 0, 1, [], []);
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 1, acc02.address],
-//       );
-//       const fail = p2pix.unlockExpired([lockID]);
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.NotExpired,
-//       );
-//     });
-//     it("should revert if lock has already been released", async () => {
-//       const endtoendID = ethers.constants.HashZero;
-//       const pixTarget = "pixTarget";
-//       const messageToSign = ethers.utils.solidityKeccak256(
-//         ["string", "uint256", "bytes32"],
-//         [pixTarget, 1, endtoendID],
-//       );
-//       const messageHashBytes =
-//         ethers.utils.arrayify(messageToSign);
-//       const flatSig = await acc01.signMessage(
-//         messageHashBytes,
-//       );
-//       const sig = ethers.utils.splitSignature(flatSig);
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         pixTarget,
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc02)
-//         .lock(0, acc02.address, acc03.address, 0, 1, [], []);
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 1, acc02.address],
-//       );
-//       // await mine(10);
-//       await p2pix.release(
-//         lockID,
-//         acc03.address,
-//         endtoendID,
-//         sig.r,
-//         sig.s,
-//         sig.v,
-//       );
-//       const fail = p2pix.unlockExpired([lockID]);
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.AlreadyReleased,
-//       );
-//     });
-//     it("should unlock expired locks, update storage and emit events", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc02)
-//         .lock(0, acc02.address, acc03.address, 0, 1, [], []);
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, 1, acc02.address],
-//       );
-//       await mine(11);
-//       const storage: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-//       const userKey = await p2pix.callStatic._castAddrToKey(
-//         acc02.address,
-//       );
-//       const record1 = await p2pix.callStatic.userRecord(
-//         userKey,
-//       );
-//       const tx = await p2pix.unlockExpired([lockID]);
-//       const storage2: Lock = await p2pix.callStatic.mapLocks(
-//         lockID,
-//       );
-//       const record2 = await p2pix.callStatic.userRecord(
-//         userKey,
-//       );
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "LockReturned")
-//         .withArgs(acc02.address, lockID);
-//       expect(storage.amount).to.eq(ethers.constants.One);
-//       expect(storage2.amount).to.eq(ethers.constants.Zero);
-//       expect(record1).to.eq(0);
-//       expect(record2).to.eq(price);
-//     });
-//     it("should unlock expired through lock function", async () => {
-//       // test method through lock fx
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const lock1: ContractTransaction = await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price,
-//           proof,
-//           [],
-//         );
-//       // as return values of non view functions can't be accessed
-//       // outside the evm, we fetch the lockID from the emitted event.
-//       const rc: ContractReceipt = await lock1.wait();
-//       const event = rc.events?.find(
-//         event => event.event === "LockAdded",
-//       );
-//       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-//       const emittedLockID = event?.args!["lockID"];
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, price, acc02.address],
-//       );
-
-//       // mine blocks to expire lock
-//       await mine(12);
-//       // const blocknum = await p2pix.provider.getBlockNumber();
-//       // console.log("bn = 6 + 12 ( i.e., %s )", blocknum);
-//       // console.log(
-//       //   "\n",
-//       //   " 2 blocks past the expiration block",
-//       // );
-//       // const struct2: Lock = await p2pix.callStatic.mapLocks(
-//       //   emittedLockID,
-//       // );
-//       // console.log(
-//       //   "\n",
-//       //   "Current state of the lock:",
-//       //   "\n",
-//       //   struct2,
-//       // );
-
-//       expect(emittedLockID).to.eq(lockID);
-
-//       // create another lock by freeing the price value
-//       // back to `l.remamining` and lock 100 again.
-//       const tx1 = await p2pix.lock(
-//         0,
-//         acc02.address,
-//         acc03.address,
-//         0,
-//         100,
-//         [],
-//         [lockID],
-//       );
-//       const dep: Deposit = await p2pix.callStatic.mapDeposits(
-//         0,
-//       );
-
-//       expect(tx1).to.be.ok;
-//       await expect(tx1)
-//         .to.emit(p2pix, "LockReturned")
-//         .withArgs(acc02.address, lockID);
-//       expect(dep.remaining).to.eq(
-//         price.sub(ethers.BigNumber.from(100)),
-//       );
-//     });
-//     it("should unlock expired through withdraw function", async () => {
-//       // test method through withdraw fx
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       await p2pix
-//         .connect(acc01)
-//         .lock(
-//           0,
-//           acc02.address,
-//           acc03.address,
-//           0,
-//           price,
-//           proof,
-//           [],
-//         );
-//       const lockID = ethers.utils.solidityKeccak256(
-//         ["uint256", "uint256", "address"],
-//         [0, price, acc02.address],
-//       );
-//       // mine blocks to expire lock
-//       await mine(11);
-//       const tx = await p2pix.withdraw(0, [lockID]);
-//       const dep: Deposit = await p2pix.callStatic.mapDeposits(
-//         0,
-//       );
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "LockReturned")
-//         .withArgs(acc02.address, lockID);
-//       expect(dep.remaining).to.eq(0);
-//     });
-//   });
-//   describe("Seller Withdraw", async () => {
-//     it("should revert if the msg.sender isn't the deposit's seller", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const fail = p2pix.connect(acc02).withdraw(0, []);
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.OnlySeller,
-//       );
-//     });
-//     it("should withdraw remaining funds from deposit, update storage and emit event", async () => {
-//       await erc20.approve(p2pix.address, price);
-//       const dep = await p2pix.deposit(
-//         erc20.address,
-//         price,
-//         "pixTarget",
-//         merkleRoot,
-//       );
-//       const tx = await p2pix.withdraw(0, []);
-
-//       expect(tx).to.be.ok;
-//       await expect(dep)
-//         .to.changeTokenBalance(
-//           erc20,
-//           owner.address,
-//           "-100000000000000000000",
-//         )
-//         .and.to.changeTokenBalance(
-//           erc20,
-//           p2pix.address,
-//           price,
-//         );
-//       await expect(tx)
-//         .to.changeTokenBalance(erc20, owner.address, price)
-//         .and.to.changeTokenBalance(
-//           erc20,
-//           p2pix.address,
-//           "-100000000000000000000",
-//         );
-
-//       await expect(tx)
-//         .to.emit(p2pix, "DepositWithdrawn")
-//         .withArgs(owner.address, 0, price);
-//     });
-//   });
-//   describe("Allowlist Settings", async () => {
-//     it("should revert if the msg.sender differs from deposit's seller", async () => {
-//       const root = ethers.utils.keccak256(
-//         ethers.utils.toUtf8Bytes("root"),
-//       );
-//       const fail = p2pix
-//         .connect(acc02)
-//         .setRoot(owner.address, root);
-
-//       await expect(fail).to.be.revertedWithCustomError(
-//         p2pix,
-//         P2PixErrors.OnlySeller,
-//       );
-//     });
-//     it("should set root of seller's allowlist, update storage and emit event", async () => {
-//       const ownerKey = await p2pix.callStatic._castAddrToKey(
-//         owner.address,
-//       );
-//       const oldState = await p2pix.callStatic.sellerAllowList(
-//         ownerKey,
-//       );
-//       const tx = await p2pix
-//         .connect(owner)
-//         .setRoot(owner.address, merkleRoot);
-//       const newState = await p2pix.callStatic.sellerAllowList(
-//         ownerKey,
-//       );
-
-//       expect(tx).to.be.ok;
-//       await expect(tx)
-//         .to.emit(p2pix, "RootUpdated")
-//         .withArgs(owner.address, merkleRoot);
-//       expect(oldState).to.eq(ethers.constants.HashZero);
-//       expect(newState).to.eq(merkleRoot);
-//     });
-//   });
-// });
+import "@nomicfoundation/hardhat-chai-matchers";
+import {
+  loadFixture,
+  mine,
+} from "@nomicfoundation/hardhat-network-helpers";
+import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
+import { expect } from "chai";
+import {
+  BigNumber,
+  ContractReceipt,
+  ContractTransaction,
+  Wallet,
+} from "ethers";
+import {
+  ethers,
+  network,
+  /* tracer */
+} from "hardhat";
+
+// import keccak256 from "keccak256";
+import { MockToken, P2PIX, Reputation } from "../src/types";
+import { P2PixErrors } from "./utils/errors";
+import {
+  // Deposit,
+  Lock,
+  getSignerAddrs,
+  p2pixFixture,
+  randomSigners,
+} from "./utils/fixtures";
+
+describe("P2PIX", () => {
+  type WalletWithAddress = Wallet & SignerWithAddress;
+
+  // contract deployer/admin
+  let owner: WalletWithAddress;
+
+  // extra EOAs
+  let acc01: WalletWithAddress;
+  let acc02: WalletWithAddress;
+  let acc03: WalletWithAddress;
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  let res: any;
+
+  let p2pix: P2PIX; // Contract instance
+  let erc20: MockToken; // Token instance
+  let reputation: Reputation; // Reputation Interface instance
+  let merkleRoot: string; // MerkleRoot from seller's allowlist
+  let proof: string[]; // Owner's proof as whitelisted address
+
+  const fundAmount: BigNumber =
+    ethers.utils.parseEther("10000");
+  const price: BigNumber = ethers.utils.parseEther("100");
+
+  const zero = ethers.constants.AddressZero;
+
+  before("Set signers and reset network", async () => {
+    [owner, acc01, acc02, acc03] =
+      await // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      (ethers as any).getSigners();
+
+    await network.provider.send("hardhat_reset");
+  });
+  beforeEach("Load deployment fixtures", async () => {
+    ({ erc20, p2pix, reputation, merkleRoot, proof } =
+      await loadFixture(p2pixFixture));
+  });
+
+  describe("Init", async () => {
+    it("P2PIX, Reputation and ERC20 should initialize", async () => {
+      // tracer.enabled = true;
+      await p2pix.deployed();
+      // tracer.enabled = false;
+      await erc20.deployed();
+      await reputation.deployed();
+      expect(p2pix).to.be.ok;
+      expect(erc20).to.be.ok;
+      expect(reputation).to.be.ok;
+      const ownerKey = await p2pix._castAddrToKey(
+        owner.address,
+      );
+      const acc01Key = await p2pix._castAddrToKey(
+        acc01.address,
+      );
+
+      // storage checks
+      expect(
+        await p2pix.callStatic.defaultLockBlocks(),
+      ).to.eq(10);
+      expect(await p2pix.callStatic.reputation()).to.eq(
+        reputation.address,
+      );
+      expect(await p2pix.callStatic.lockCounter()).to.eq(0);
+      expect(
+        await p2pix.callStatic.validBacenSigners(ownerKey),
+      ).to.eq(true);
+      expect(
+        await p2pix.callStatic.validBacenSigners(acc01Key),
+      ).to.eq(true);
+      expect(
+        await p2pix.callStatic.allowedERC20s(erc20.address),
+      ).to.eq(true);
+
+      // event emission
+      await expect(await p2pix.deployTransaction)
+        .to.emit(p2pix, "OwnerUpdated")
+        .withArgs(zero, owner.address)
+        .and.to.emit(p2pix, "LockBlocksUpdated")
+        .withArgs(10)
+        .and.to.emit(p2pix, "ReputationUpdated")
+        .withArgs(reputation.address)
+        .and.to.emit(p2pix, "ValidSignersUpdated")
+        .withArgs([owner.address, acc01.address])
+        .and.to.emit(p2pix, "AllowedERC20Updated")
+        .withArgs(erc20.address, true);
+    });
+
+    it("accounts have been funded", async () => {
+      // can't be eq to fundAmount due to contract deployment cost
+      res = await ethers.provider.getBalance(owner.address);
+      expect(res.toString()).to.have.lengthOf(22);
+      // console.log(res); // lengthOf = 22
+      // console.log(fundAmount); // lengthOf = 23
+
+      // those should eq to hardhat prefunded account's value
+      expect(
+        await ethers.provider.getBalance(acc01.address),
+      ).to.eq(fundAmount);
+      expect(
+        await ethers.provider.getBalance(acc02.address),
+      ).to.eq(fundAmount);
+      expect(
+        await ethers.provider.getBalance(acc03.address),
+      ).to.eq(fundAmount);
+    });
+  });
+
+  // each describe tests a set of functionalities of the contract's behavior
+  describe("Owner Functions", async () => {
+    it("should allow owner to withdraw contract's balance", async () => {
+      const oldBal = await p2pix.provider.getBalance(
+        p2pix.address,
+      );
+      // this call also tests p2pix's receive() fallback mechanism.
+      const tx1 = await acc01.sendTransaction({
+        to: p2pix.address,
+        value: price,
+      });
+      const newBal = await p2pix.provider.getBalance(
+        p2pix.address,
+      );
+
+      expect(tx1).to.be.ok;
+      expect(oldBal).to.eq(0);
+      expect(newBal).to.eq(price);
+
+      await expect(p2pix.withdrawBalance())
+        .to.changeEtherBalances(
+          [owner.address, p2pix.address],
+          [price, "-100000000000000000000"],
+        )
+        .and.to.emit(p2pix, "FundsWithdrawn")
+        .withArgs(owner.address, price);
+
+      await expect(
+        p2pix.connect(acc01).withdrawBalance(),
+      ).to.be.revertedWith(P2PixErrors.UNAUTHORIZED);
+    });
+    it("should allow owner to change reputation instance", async () => {
+      const tx = await p2pix.setReputation(acc03.address);
+      const newRep = await p2pix.callStatic.reputation();
+      const fail = p2pix
+        .connect(acc02)
+        .setReputation(owner.address);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "ReputationUpdated")
+        .withArgs(acc03.address);
+      expect(newRep).to.eq(acc03.address);
+      await expect(fail).to.be.revertedWith(
+        P2PixErrors.UNAUTHORIZED,
+      );
+    });
+    it("should allow owner to change defaultLockBlocks ", async () => {
+      const magicVal = 1337;
+      const tx = await p2pix.setDefaultLockBlocks(magicVal);
+      const newVal =
+        await p2pix.callStatic.defaultLockBlocks();
+      const fail = p2pix
+        .connect(acc02)
+        .setDefaultLockBlocks(0);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "LockBlocksUpdated")
+        .withArgs(magicVal);
+      expect(newVal).to.eq(magicVal);
+      await expect(fail).to.be.revertedWith(
+        P2PixErrors.UNAUTHORIZED,
+      );
+    });
+    it("should allow owner to add valid Bacen signers", async () => {
+      const newSigners = randomSigners(2);
+      const bob = await newSigners[0].getAddress();
+      const alice = await newSigners[1].getAddress();
+      const bobCasted = await p2pix._castAddrToKey(bob);
+      const aliceCasted = await p2pix._castAddrToKey(alice);
+      const tx = await p2pix.setValidSigners([bob, alice]);
+      const newSigner1 =
+        await p2pix.callStatic.validBacenSigners(bobCasted);
+      const newSigner2 =
+        await p2pix.callStatic.validBacenSigners(aliceCasted);
+      const fail = p2pix
+        .connect(acc03)
+        .setValidSigners([owner.address, acc02.address]);
+
+      expect(tx).to.be.ok;
+      expect(newSigner1).to.eq(true);
+      expect(newSigner2).to.eq(true);
+      await expect(tx)
+        .to.emit(p2pix, "ValidSignersUpdated")
+        .withArgs([bob, alice]);
+      await expect(fail).to.be.revertedWith(
+        P2PixErrors.UNAUTHORIZED,
+      );
+    });
+    it("should allow owner to adjust tokenSettings", async () => {
+      const tx = await p2pix.tokenSettings(
+        [erc20.address, owner.address],
+        [false, true],
+      );
+      const newTokenState1 =
+        await p2pix.callStatic.allowedERC20s(erc20.address);
+      const newTokenState2 =
+        await p2pix.callStatic.allowedERC20s(owner.address);
+      const fail = p2pix
+        .connect(acc01)
+        .tokenSettings([acc01.address], [false]);
+      const fail2 = p2pix.tokenSettings([], [true, false]);
+      const fail3 = p2pix.tokenSettings([zero], [true, true]);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "AllowedERC20Updated")
+        .withArgs(erc20.address, false)
+        .and.to.emit(p2pix, "AllowedERC20Updated")
+        .withArgs(owner.address, true);
+      expect(newTokenState1).to.eq(false);
+      expect(newTokenState2).to.eq(true);
+      await expect(fail).to.be.revertedWith(
+        P2PixErrors.UNAUTHORIZED,
+      );
+      await expect(fail).to.be.revertedWith(
+        P2PixErrors.UNAUTHORIZED,
+      );
+      await expect(fail2).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.NoTokens,
+      );
+      await expect(fail3).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.LengthMismatch,
+      );
+    });
+  });
+  describe("Deposit", async () => {
+    it("should revert if ERC20 is not allowed", async () => {
+      const pTarget = ethers.BigNumber.from(7331);
+      const root = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes("root"),
+      );
+      const tx = p2pix.deposit(
+        owner.address,
+        1,
+        pTarget,
+        true,
+        root,
+      );
+
+      await expect(tx).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.TokenDenied,
+      );
+    });
+    it("should revert if pixTarget is empty", async () => {
+      // const pTarget = ethers.BigNumber.from(7331);
+      const root = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes("root"),
+      );
+      const tx = p2pix.deposit(
+        erc20.address,
+        1,
+        0,
+        true,
+        root,
+      );
+
+      await expect(tx).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.EmptyPixTarget,
+      );
+    });
+    it("should revert if amount exceeds the balance limit", async () => {
+      const pTarget = ethers.BigNumber.from(7331);
+      const root = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes("root"),
+      );
+      const tx = p2pix.deposit(
+        erc20.address,
+        ethers.utils.parseEther("100000001"),
+        pTarget,
+        true,
+        root,
+      );
+
+      await expect(tx).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.MaxBalExceeded,
+      );
+    });
+    it("should create deposit, update storage and emit event", async () => {
+      const pTarget = ethers.BigNumber.from(7331);
+      // we use `hashZero` to avoid updating seller's allowlist settings
+      const root = ethers.constants.HashZero;
+      await erc20.approve(p2pix.address, price);
+      const tx = await p2pix.deposit(
+        erc20.address,
+        price,
+        pTarget,
+        true,
+        root,
+      );
+      const storage = await p2pix.callStatic.getBalance(owner.address, erc20.address);
+      const pixTarget = await p2pix.callStatic.getPixTarget(owner.address,erc20.address);
+      const valid = await p2pix.callStatic.getValid(owner.address,erc20.address);
+      const ownerKey = await p2pix.callStatic._castAddrToKey(
+        owner.address,
+      );
+      const allowList = await p2pix.sellerAllowList(ownerKey);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "DepositAdded")
+        .withArgs(owner.address, erc20.address, price);
+      await expect(tx).to.changeTokenBalances(
+        erc20,
+        [owner.address, p2pix.address],
+        ["-100000000000000000000", price],
+      );
+      expect(storage).to.eq(price);
+      expect(pixTarget).to.eq(pTarget);
+      expect(valid).to.eq(true);
+      expect(allowList).to.eq(root);
+    });
+    // edge case test
+    it("should create multiple deposits", async () => {
+      const ownerKey = await p2pix.callStatic._castAddrToKey(
+        owner.address,
+      );
+      const acc01Key = await p2pix.callStatic._castAddrToKey(
+        acc01.address,
+      );
+      const acc02Key = await p2pix.callStatic._castAddrToKey(
+        acc02.address,
+      );
+      const acc03Key = await p2pix.callStatic._castAddrToKey(
+        acc03.address,
+      );
+
+      const pTarget = ethers.BigNumber.from(7331);
+      const pTarget2 = ethers.BigNumber.from(1337);
+      const pTarget3 = ethers.BigNumber.from(3731);
+      // we mock the allowlist root here only to test storage update. In depth
+      // allowlist test coverage in both "Lock" and "Allowlist Settings" unit tests.
+      const root = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes("root"),
+      );
+      const nullRoot = ethers.constants.HashZero;
+      const price2 = price.mul(ethers.BigNumber.from(2));
+      const price3 = price.mul(ethers.BigNumber.from(3));
+      const price4 = price.mul(ethers.BigNumber.from(4));
+      await erc20.mint(
+        getSignerAddrs(4, await ethers.getSigners()),
+        price4,
+      );
+      await erc20
+        .connect(owner)
+        .approve(p2pix.address, price);
+      await erc20
+        .connect(acc01)
+        .approve(p2pix.address, price2);
+      await erc20
+        .connect(acc02)
+        .approve(p2pix.address, price3);
+      await erc20
+        .connect(acc03)
+        .approve(p2pix.address, price4);
+
+      const tx = await p2pix
+        .connect(owner)
+        .deposit(erc20.address, price, pTarget, true, root);
+      const tx2 = await p2pix
+        .connect(acc01)
+        .deposit(erc20.address, price2, pTarget2, false, nullRoot);
+      const tx3 = await p2pix
+        .connect(acc02)
+        .deposit(erc20.address, price3, pTarget3, true, root);
+      const tx4 = await p2pix
+        .connect(acc03)
+        .deposit(erc20.address, price4, pTarget, false, nullRoot);
+
+      const storage1 = await p2pix.callStatic.getBalance(owner.address, erc20.address);
+      const storage2 = await p2pix.callStatic.getBalance(acc01.address, erc20.address);
+      const storage3 = await p2pix.callStatic.getBalance(acc02.address, erc20.address);
+      const storage4 = await p2pix.callStatic.getBalance(acc03.address, erc20.address);
+
+      const pixTarget1 = await p2pix.callStatic.getPixTarget(owner.address, erc20.address);
+      const pixTarget2 = await p2pix.callStatic.getPixTarget(acc01.address, erc20.address);
+      const pixTarget3 = await p2pix.callStatic.getPixTarget(acc02.address, erc20.address);
+      const pixTarget4 = await p2pix.callStatic.getPixTarget(acc03.address, erc20.address);
+
+      const valid1 = await p2pix.callStatic.getValid(owner.address, erc20.address);
+      const valid2 = await p2pix.callStatic.getValid(acc01.address, erc20.address);
+      const valid3 = await p2pix.callStatic.getValid(acc02.address, erc20.address);
+      const valid4 = await p2pix.callStatic.getValid(acc03.address, erc20.address);
+
+      const allowList1 = await p2pix.sellerAllowList(
+        ownerKey,
+      );
+      const allowList2 = await p2pix.sellerAllowList(
+        acc01Key,
+      );
+      const allowList3 = await p2pix.sellerAllowList(
+        acc02Key,
+      );
+      const allowList4 = await p2pix.sellerAllowList(
+        acc03Key,
+      );
+
+      expect(tx).to.be.ok;
+      expect(tx2).to.be.ok;
+      expect(tx3).to.be.ok;
+      expect(tx4).to.be.ok;
+
+      await expect(tx)
+        .to.emit(p2pix, "DepositAdded")
+        .withArgs(owner.address, erc20.address, price);
+      await expect(tx).to.changeTokenBalances(
+        erc20,
+        [owner.address, p2pix.address],
+        ["-100000000000000000000", price],
+      );
+
+      await expect(tx2)
+        .to.emit(p2pix, "DepositAdded")
+        .withArgs(acc01.address, erc20.address, price2);
+      await expect(tx2).to.changeTokenBalances(
+        erc20,
+        [acc01.address, p2pix.address],
+        ["-200000000000000000000", price2],
+      );
+
+      await expect(tx3)
+        .to.emit(p2pix, "DepositAdded")
+        .withArgs(acc02.address, erc20.address, price3);
+      await expect(tx3).to.changeTokenBalances(
+        erc20,
+        [acc02.address, p2pix.address],
+        ["-300000000000000000000", price3],
+      );
+
+      await expect(tx4)
+        .to.emit(p2pix, "DepositAdded")
+        .withArgs(acc03.address, erc20.address, price4);
+      await expect(tx4).to.changeTokenBalances(
+        erc20,
+        [acc03.address, p2pix.address],
+        ["-400000000000000000000", price4],
+      );
+
+      expect(storage1).to.eq(price);
+      expect(pixTarget1).to.eq(pTarget);
+      expect(valid1).to.eq(true);
+      expect(allowList1).to.eq(root);
+
+      expect(storage2).to.eq(price2);
+      expect(pixTarget2).to.eq(pTarget2);
+      expect(valid2).to.eq(false);
+      expect(allowList2).to.eq(nullRoot);
+
+      expect(storage3).to.eq(price3);
+      expect(pixTarget3).to.eq(pTarget3);
+      expect(valid3).to.eq(true);
+      expect(allowList3).to.eq(root);
+
+      expect(storage4).to.eq(price4);
+      expect(pixTarget4).to.eq(pTarget);
+      expect(valid4).to.eq(false);
+      expect(allowList4).to.eq(nullRoot);
+    });
+  });
+  describe("Lock", async () => {
+    it("should revert if deposit is invalid", async () => {
+      const pTarget = ethers.BigNumber.from(7331);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        pTarget,
+        true,
+        ethers.constants.HashZero,
+      );
+      await p2pix.setValidState(erc20.address,false);
+      const fail = p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price,
+          [],
+          [],
+        );
+      const fail2 = p2pix.lock(
+        zero,
+        zero,
+        zero,
+        zero,
+        0,
+        price,
+        [],
+        [],
+      );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.InvalidDeposit,
+      );
+      await expect(fail2).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.InvalidDeposit,
+      );
+    });
+    it("should revert if wished amount is greater than balance's remaining amount", async () => {
+      await erc20.approve(p2pix.address, price);
+      const pTarget = ethers.BigNumber.from(1337);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        pTarget,
+        true,
+        ethers.constants.HashZero,
+      );
+      const fail = p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price.mul(ethers.BigNumber.from(2)),
+          [],
+          [],
+        );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.NotEnoughTokens,
+      );
+    });
+    // test invalid since lockID has been replaced by a counter. 
+    // it.only("should revert if a non expired lock has the same ID encoded", async () => {
+    //   const pTarget = ethers.BigNumber.from(1337);
+    //   await erc20.approve(p2pix.address, price);
+    //   await p2pix.deposit(
+    //     erc20.address,
+    //     price,
+    //     pTarget,
+    //     true,
+    //     ethers.constants.HashZero,
+    //   );
+    //   await p2pix
+    //     .connect(acc03)
+    //     .lock(
+    //       owner.address, 
+    //       erc20.address,
+    //       acc02.address, 
+    //       acc03.address, 
+    //       0, 1, [], []);
+
+        // console.log(await p2pix.callStatic.getValid(owner.address,erc20.address))
+      // const fail = p2pix
+      //   .connect(acc03)
+      //   .lock(owner.address, erc20.address, acc02.address, acc03.address, 0, 1, [], []);
+
+      // await expect(fail).to.be.revertedWithCustomError(
+      //   p2pix,
+      //   P2PixErrors.NotExpired,
+      // );
+    // });
+    it("should revert if an invalid allowlist merkleproof is provided", async () => {
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        ethers.BigNumber.from("1337"),
+        true,
+        merkleRoot,
+      );
+      const fail = p2pix
+        .connect(acc02)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          1000,
+          [
+            ethers.utils.keccak256(
+              ethers.utils.toUtf8Bytes("wrong"),
+            ),
+          ],
+          [],
+        );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.AddressDenied,
+      );
+    });
+    it("should revert if msg.sender does not have enough credit in his spend limit", async () => {
+      await erc20.approve(
+        p2pix.address,
+        price.mul(BigNumber.from("3")),
+      );
+      await p2pix.deposit(
+        erc20.address,
+        price.mul(BigNumber.from("3")),
+        ethers.BigNumber.from("1"),
+        true,
+        merkleRoot,
+      );
+      const fail = p2pix
+        .connect(acc02)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price.mul(BigNumber.from("2")),
+          [],
+          [],
+        );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.AmountNotAllowed,
+      );
+    });
+    it("should create a lock, update storage and emit events via the allowlist path", async () => {
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      const tx = await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price,
+          proof,
+          [],
+        );
+      // const storage: Lock = await p2pix.callStatic.mapLocks(1);
+
+      // const rc: ContractReceipt = await tx.wait();
+      // const expiration = rc.blockNumber + 10;
+      // const key = await p2pix.callStatic._castAddrToKey(owner.address);
+      
+      // await expect(tx)
+      //   .to.emit(p2pix, "LockAdded")
+      //   .withArgs(
+      //     acc02.address,
+      //     ethers.constants.One,
+      //     key,
+      //     price,
+      //   );
+      // expect(tx).to.be.ok;
+      // expect(storage.sellerKey).to.eq(key);
+      // expect(storage.counter).to.eq(1);
+      // expect(storage.relayerPremium).to.eq(
+      //   ethers.constants.Zero,
+      // );
+      // expect(storage.amount).to.eq(price);
+      // expect(storage.expirationBlock).to.eq(expiration);
+      // expect(storage.pixTarget).to.eq(target);
+      // expect(storage.buyerAddress).to.eq(acc02.address);
+      // expect(storage.relayerTarget).to.eq(acc03.address);
+      // expect(storage.relayerAddress).to.eq(acc01.address);
+      // expect(storage.token).to.eq(erc20.address);
+    });
+    it("should create a lock, update storage and emit events via the reputation path", async () => {
+      const root = ethers.constants.HashZero;
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        root,
+      );
+      const tx = await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price,
+          [],
+          [],
+        );
+      const storage: Lock = await p2pix.callStatic.mapLocks(1);
+
+      const rc: ContractReceipt = await tx.wait();
+      const expiration = rc.blockNumber + 10;
+      const key = await p2pix.callStatic._castAddrToKey(owner.address);
+
+      expect(tx).to.be.ok;
+      expect(storage.sellerKey).to.eq(key);
+      expect(storage.counter).to.eq(1);
+      expect(storage.relayerPremium).to.eq(
+        ethers.constants.Zero,
+      );
+      expect(storage.amount).to.eq(price);
+      expect(storage.expirationBlock).to.eq(expiration);
+      expect(storage.pixTarget).to.eq(target);
+      expect(storage.buyerAddress).to.eq(acc02.address);
+      expect(storage.relayerTarget).to.eq(acc03.address);
+      expect(storage.relayerAddress).to.eq(acc01.address);
+      expect(storage.token).to.eq(erc20.address);
+      
+      await expect(tx)
+        .to.emit(p2pix, "LockAdded")
+        .withArgs(
+          acc02.address,
+          1,
+          key,
+          storage.amount,
+        );
+    });
+    // edge case test
+    it("should create multiple locks", async () => {
+      const newPrice = price.div(ethers.BigNumber.from(2));
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      const tx1 = await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          newPrice,
+          proof,
+          [],
+        );
+      const storage1: Lock = await p2pix.callStatic.mapLocks(
+        1,
+      );
+
+      const rc1: ContractReceipt = await tx1.wait();
+      const expiration1 = rc1.blockNumber + 10;
+
+      const tx2 = await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          100,
+          [],
+          [],
+        );
+      const storage2: Lock = await p2pix.callStatic.mapLocks(2);
+
+      const rc2: ContractReceipt = await tx2.wait();
+      const expiration2 = rc2.blockNumber + 10;
+
+      const tx3 = await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc03.address,
+          acc03.address,
+          0,
+          100,
+          [],
+          [],
+        );
+      const storage3: Lock = await p2pix.callStatic.mapLocks(3);
+
+      const rc3: ContractReceipt = await tx3.wait();
+      const expiration3 = rc3.blockNumber + 10;
+
+      const key = await p2pix.callStatic._castAddrToKey(owner.address);
+
+      expect(tx1).to.be.ok;
+      expect(tx2).to.be.ok;
+      expect(tx3).to.be.ok;
+
+      expect(key)
+        .to.eq(storage1.sellerKey)
+        .and.to.eq(storage2.sellerKey)
+        .and.to.eq(storage3.sellerKey);
+
+      expect(storage1.counter).to.eq(1);
+      expect(storage2.counter).to.eq(2);
+      expect(storage3.counter).to.eq(3);
+
+      expect(ethers.constants.Zero)
+        .to.eq(storage1.relayerPremium)
+        .and.to.eq(storage2.relayerPremium)
+        .and.to.eq(storage3.relayerPremium);
+
+      expect(storage1.amount).to.eq(newPrice);
+      expect(ethers.BigNumber.from(100))
+        .to.eq(storage2.amount)
+        .and.to.eq(storage3.amount);
+
+      expect(storage1.expirationBlock).to.eq(expiration1);
+      expect(storage2.expirationBlock).to.eq(expiration2);
+      expect(storage3.expirationBlock).to.eq(expiration3);
+
+      expect(target)
+      .to.eq(storage1.pixTarget)
+      .and.to.eq(storage2.pixTarget)
+      .and.to.eq(storage3.pixTarget);
+
+      expect(acc02.address)
+        .to.eq(storage1.buyerAddress)
+        .and.to.eq(storage2.buyerAddress);
+      expect(storage3.buyerAddress).to.eq(acc03.address);
+
+      expect(acc03.address)
+        .to.eq(storage1.relayerTarget)
+        .and.to.eq(storage2.relayerTarget)
+        .and.to.eq(storage3.relayerTarget);
+
+      expect(acc01.address)
+        .to.eq(storage1.relayerAddress)
+        .and.to.eq(storage2.relayerAddress);
+      expect(storage3.relayerAddress).to.eq(acc03.address);
+
+      expect(erc20.address)
+          .to.eq(storage1.token)
+          .and.to.eq(storage2.token)
+          .and.to.eq(storage3.token);
+
+      await expect(tx1)
+        .to.emit(p2pix, "LockAdded")
+        .withArgs(
+          acc02.address,
+          1,
+          key,
+          storage1.amount,
+        );
+      await expect(tx2)
+        .to.emit(p2pix, "LockAdded")
+        .withArgs(
+          acc02.address,
+          2,
+          key,
+          storage2.amount,
+        );
+      await expect(tx3)
+        .to.emit(p2pix, "LockAdded")
+        .withArgs(
+          acc03.address,
+          3,
+          key,
+          storage3.amount,
+        );
+    });
+  });
+  describe("Set sellerBalance Valid State", async () => {
+    it("should revert if sellerBalance hasn't been initialized", async () => {
+    //   await erc20.approve(p2pix.address, price);
+    //   await p2pix.deposit(
+    //     erc20.address,
+    //     price,
+    //     "pixTarget",
+    //     merkleRoot,
+    //   );
+      const fail = p2pix.setValidState(erc20.address,false);
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.NotInitialized,
+      );
+    });
+    it("should setValidState, update storage and emit events", async () => {
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        ethers.BigNumber.from(10101),
+        true,
+        merkleRoot,
+      );
+      const state1 =
+        await p2pix.callStatic.getValid(owner.address,erc20.address);
+      const tx = await p2pix.setValidState(erc20.address,false);
+      const state2 =
+        await p2pix.callStatic.getValid(owner.address,erc20.address);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "ValidSet")
+        .withArgs(owner.address, erc20.address, false);
+      expect(state1).to.be.true;
+      expect(state2).to.be.false;
+    });
+    it("should cancel multiple balances", async () => {
+      const hashZero = ethers.constants.HashZero;
+      await erc20.mint([acc01.address,acc02.address],price);
+      const target = ethers.BigNumber.from("1");
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        hashZero,
+      );
+      await erc20.connect(acc01).approve(p2pix.address, price);
+      await p2pix.connect(acc01).deposit(
+        erc20.address,
+        price,
+        target,
+        false,
+        hashZero,
+      );
+      await erc20.connect(acc02).approve(p2pix.address, price);
+      await p2pix.connect(acc02).deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        hashZero,
+      );
+      const oldState1 = 
+        await p2pix.callStatic.getValid(owner.address,erc20.address);
+      const oldState2 =
+        await p2pix.callStatic.getValid(acc01.address,erc20.address);
+      const oldState3 =
+        await p2pix.callStatic.getValid(acc02.address,erc20.address);
+      const tx1 = await p2pix.setValidState(erc20.address,false);
+      const tx2 = await p2pix.connect(acc01).setValidState(erc20.address,true);
+      const tx3 = await p2pix.connect(acc02).setValidState(erc20.address,true);
+      const newState1 =
+        await p2pix.callStatic.getValid(owner.address,erc20.address);
+      const newState2 =
+      await p2pix.callStatic.getValid(acc01.address,erc20.address);
+      const newState3 =
+      await p2pix.callStatic.getValid(acc02.address,erc20.address);
+
+      expect(tx1).to.be.ok;
+      expect(tx2).to.be.ok;
+      expect(tx3).to.be.ok;
+      await expect(tx1)
+        .to.emit(p2pix, "ValidSet")
+        .withArgs(owner.address, erc20.address,false);
+      await expect(tx2)
+        .to.emit(p2pix, "ValidSet")
+        .withArgs(acc01.address, erc20.address,true);
+      await expect(tx3)
+        .to.emit(p2pix, "ValidSet")
+        .withArgs(acc02.address, erc20.address,true);
+      expect(oldState1).to.be.true;
+      expect(oldState2).to.be.false;
+      expect(oldState3).to.be.true;
+      expect(newState1).to.be.false;
+      expect(newState2).to.be.true;
+      expect(newState3).to.be.true;
+    });
+  });
+  describe("Release", async () => {
+    it("should revert if lock has expired", async () => {
+      const target = ethers.BigNumber.from(101);
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [target, 100, ethers.constants.HashZero],
+      );
+      const flatSig = await acc01.signMessage(
+        ethers.utils.arrayify(messageToSign),
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      const lockID = ethers.constants.One;
+      await mine(13);
+      const fail = p2pix.release(
+        lockID,
+        acc03.address,
+        ethers.constants.HashZero,
+        sig.r,
+        sig.s,
+        sig.v,
+      );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.LockExpired,
+      );
+    });
+    it("should revert if lock has already been released", async () => {
+      const target = ethers.BigNumber.from("1");
+      const hashZero = ethers.constants.HashZero;
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [target, 100, hashZero],
+      );
+      const flatSig = await acc01.signMessage(
+        ethers.utils.arrayify(messageToSign),
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      const lockID = ethers.constants.One;
+      await p2pix.release(
+        lockID,
+        acc03.address,
+        ethers.constants.HashZero,
+        sig.r,
+        sig.s,
+        sig.v,
+      );
+      const fail = p2pix.release(
+        lockID,
+        acc03.address,
+        ethers.constants.HashZero,
+        sig.r,
+        sig.s,
+        sig.v,
+      );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.AlreadyReleased,
+      );
+    });
+    it("should revert if signed message has already been used", async () => {
+      const target = ethers.BigNumber.from(101);
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [target, 100, ethers.constants.HashZero],
+      );
+      const flatSig = await owner.signMessage(
+        ethers.utils.arrayify(messageToSign),
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        ethers.constants.HashZero,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      
+      await p2pix
+        .connect(acc01)
+        .release(
+          1,
+          acc02.address,
+          ethers.constants.HashZero,
+          sig.r,
+          sig.s,
+          sig.v,
+        );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      const fail = p2pix
+        .connect(acc01)
+        .release(
+          2,
+          acc02.address,
+          ethers.constants.HashZero,
+          sig.r,
+          sig.s,
+          sig.v,
+        );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.TxAlreadyUsed,
+      );
+    });
+    it("should revert if ecrecovered signer is invalid", async () => {
+      const target = ethers.BigNumber.from(101);
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [target, 100, ethers.constants.HashZero],
+      );
+      const flatSig = await acc03.signMessage(
+        ethers.utils.arrayify(messageToSign),
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        ethers.constants.HashZero,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      const fail = p2pix
+        .connect(acc01)
+        .release(
+          1,
+          acc02.address,
+          ethers.constants.HashZero,
+          sig.r,
+          sig.s,
+          sig.v,
+        );
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.InvalidSigner,
+      );
+    });
+    it("should release lock, update storage and emit events", async () => {
+      const zero = ethers.constants.Zero;
+      const endtoendID = ethers.constants.HashZero;
+      const pixTarget = ethers.BigNumber.from(101);
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [pixTarget, 100, endtoendID],
+      );
+      // Note: messageToSign is a string, that is 66-bytes long, to sign the
+      //       binary value, we must convert it to the 32 byte Array that
+      //       the string represents
+      //
+      // i.e.,
+      //    66-byte string
+      //   "0x592fa743889fc7f92ac2a37bb1f5ba1daf2a5c84741ca0e0061d243a2e6707ba"
+      //   ... vs ...
+      //   32 entry Uint8Array
+      //  [ 89, 47, 167, 67, 136, 159, ... 103, 7, 186]
+      const messageHashBytes =
+        ethers.utils.arrayify(messageToSign);
+      const flatSig = await acc01.signMessage(
+        messageHashBytes,
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+      const root = ethers.constants.HashZero;
+
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        pixTarget,
+        true,
+        root,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          6,
+          100,
+          [],
+          [],
+        );
+      const acc01Key = await p2pix.callStatic._castAddrToKey(
+        acc01.address,
+      );
+      const acc03Key = await p2pix.callStatic._castAddrToKey(
+        acc03.address,
+      );
+      const userRecordA = await p2pix.callStatic.userRecord(
+        acc01Key,
+      );
+      const userRecord1 = await p2pix.callStatic.userRecord(
+        acc03Key,
+      );
+      const storage1: Lock = await p2pix.callStatic.mapLocks(1);
+      const tx = await p2pix
+        .connect(acc01)
+        .release(
+          1,
+          acc02.address,
+          endtoendID,
+          sig.r,
+          sig.s,
+          sig.v,
+        );
+      const storage2: Lock = await p2pix.callStatic.mapLocks(1);
+      const userRecordB = await p2pix.callStatic.userRecord(
+        acc01Key,
+      );
+      const userRecord2 = await p2pix.callStatic.userRecord(
+        acc03Key,
+      );
+      const used = await p2pix.callStatic.usedTransactions(
+        messageHashBytes,
+      );
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "LockReleased")
+        .withArgs(acc02.address, ethers.constants.One, storage1.amount);
+      expect(storage1.expirationBlock).to.eq(
+        ethers.BigNumber.from(16),
+      );
+      expect(storage1.amount).to.eq(
+        ethers.BigNumber.from(100),
+      );
+      expect(storage2.expirationBlock).to.eq(zero);
+      expect(storage2.amount).to.eq(zero);
+      expect(used).to.eq(true);
+      expect(userRecordA).to.eq(zero);
+      expect(userRecord1).to.eq(zero);
+      expect(userRecordB).to.eq(ethers.BigNumber.from(6));
+      expect(userRecord2).to.eq(ethers.BigNumber.from(100));
+      await expect(tx).to.changeTokenBalances(
+        erc20,
+        [acc03.address, acc02.address],
+        [3, 97],
+        // acc02 is acting both as buyer and relayerTarget
+        // (i.e., 94 + 3 = 97)
+      );
+    });
+    // edge case test
+    it("should release multiple locks", async () => {
+      const endtoendID = ethers.constants.HashZero;
+      const pixTarget = ethers.BigNumber.from(101);
+      const root = ethers.constants.HashZero;
+      const acc01Key = await p2pix.callStatic._castAddrToKey(
+        acc01.address,
+      );
+      const acc03Key = await p2pix.callStatic._castAddrToKey(
+        acc03.address,
+      );
+      const acc01Record1 = await p2pix.callStatic.userRecord(
+        acc01Key,
+      );
+      const acc03Record1 = await p2pix.callStatic.userRecord(
+        acc03Key,
+      );
+      const messageToSign1 = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [pixTarget, 100, endtoendID],
+      );
+      const flatSig1 = await owner.signMessage(
+        ethers.utils.arrayify(messageToSign1),
+      );
+      const sig1 = ethers.utils.splitSignature(flatSig1);
+      const messageToSign2 = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [pixTarget, 50, endtoendID],
+      );
+      const flatSig2 = await owner.signMessage(
+        ethers.utils.arrayify(messageToSign2),
+      );
+      const sig2 = ethers.utils.splitSignature(flatSig2);
+      const messageToSign3 = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [pixTarget, 25, endtoendID],
+      );
+      const flatSig3 = await owner.signMessage(
+        ethers.utils.arrayify(messageToSign3),
+      );
+      const sig3 = ethers.utils.splitSignature(flatSig3);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        pixTarget,
+        true,
+        root,
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          100,
+          [],
+          [],
+        );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address, 
+          acc03.address, 
+          6, 
+          50, 
+          [], 
+          []
+      );
+      await p2pix
+        .connect(acc03)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          10,
+          25,
+          [],
+          [],
+        );
+      const lockID = ethers.constants.One;
+      const lockID2 = ethers.constants.Two;
+      const lockID3 = ethers.BigNumber.from(3);
+      const storage1: Lock = await p2pix.callStatic.mapLocks(lockID);
+      const storage2: Lock = await p2pix.callStatic.mapLocks(lockID2);
+      const storage3: Lock = await p2pix.callStatic.mapLocks(lockID3);
+      // relayerPremium == 0
+      const tx = await p2pix
+        .connect(acc01)
+        .release(
+          lockID,
+          acc02.address,
+          endtoendID,
+          sig1.r,
+          sig1.s,
+          sig1.v,
+        );
+      // relayerPremium != 0 &&
+      // lock's msg.sender != release's msg.sender
+      const tx1 = await p2pix
+        .connect(acc01)
+        .release(
+          lockID2,
+          acc02.address,
+          endtoendID,
+          sig2.r,
+          sig2.s,
+          sig2.v,
+        );
+      // relayerPremium != 0 &&
+      // lock's msg.sender == release's msg.sender
+      const tx2 = await p2pix
+        .connect(acc03)
+        .release(
+          lockID3,
+          acc02.address,
+          endtoendID,
+          sig3.r,
+          sig3.s,
+          sig3.v,
+        );
+      const used1 = await p2pix.callStatic.usedTransactions(
+        ethers.utils.arrayify(messageToSign1),
+      );
+      const used2 = await p2pix.callStatic.usedTransactions(
+        ethers.utils.arrayify(messageToSign2),
+      );
+      const used3 = await p2pix.callStatic.usedTransactions(
+        ethers.utils.arrayify(messageToSign3),
+      );
+      const acc01Record2 = await p2pix.callStatic.userRecord(
+        acc01Key,
+      );
+      const acc03Record2 = await p2pix.callStatic.userRecord(
+        acc03Key,
+      );
+
+      expect(tx).to.be.ok;
+      expect(tx1).to.be.ok;
+      expect(tx2).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "LockReleased")
+        .withArgs(acc02.address, lockID, storage1.amount);
+      await expect(tx1)
+        .to.emit(p2pix, "LockReleased")
+        .withArgs(acc02.address, lockID2, storage2.amount);
+      await expect(tx2)
+        .to.emit(p2pix, "LockReleased")
+        .withArgs(acc02.address, lockID3, storage3.amount);
+      expect(used1).to.eq(true);
+      expect(used2).to.eq(true);
+      expect(used3).to.eq(true);
+      expect(0).to.eq(acc01Record1).and.to.eq(acc03Record1);
+      expect(acc01Record2).to.eq(6); // 0 + 6
+      expect(acc03Record2).to.eq(185); // 100 + 50 + 25 + 10
+      await expect(tx).to.changeTokenBalances(
+        erc20,
+        [
+          acc01.address,
+          acc02.address,
+          acc03.address,
+          p2pix.address,
+        ],
+        [0, 100, 0, "-100"],
+      );
+      await expect(tx1).to.changeTokenBalances(
+        erc20,
+        [
+          acc01.address,
+          acc02.address,
+          acc03.address,
+          p2pix.address,
+        ],
+        [0, 47, 3, "-50"],
+      );
+      await expect(tx2).to.changeTokenBalances(
+        erc20,
+        [
+          acc01.address,
+          acc02.address,
+          acc03.address,
+          p2pix.address,
+        ],
+        [0, 20, 5, "-25"],
+      );
+    });
+  });
+  describe("Unexpire Locks", async () => {
+    it("should revert if lock isn't expired", async () => {
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc02)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address, 
+          acc03.address, 
+          0, 
+          1, 
+          [], 
+          []
+        );
+      const lockID = ethers.constants.One;
+      const fail = p2pix.unlockExpired([lockID]);
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.NotExpired,
+      );
+    });
+    it("should revert if lock has already been released", async () => {
+      const endtoendID = ethers.constants.HashZero;
+      const pixTarget = ethers.BigNumber.from(101);
+      const messageToSign = ethers.utils.solidityKeccak256(
+        ["uint160", "uint256", "bytes32"],
+        [pixTarget, 1, endtoendID],
+      );
+      const messageHashBytes =
+        ethers.utils.arrayify(messageToSign);
+      const flatSig = await acc01.signMessage(
+        messageHashBytes,
+      );
+      const sig = ethers.utils.splitSignature(flatSig);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        pixTarget,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc02)
+        .lock(
+          owner.address,
+          erc20.address, 
+          acc02.address, 
+          acc03.address, 
+          0, 
+          1, 
+          [], 
+          []
+        );
+      const lockID = ethers.constants.One;
+      // await mine(10);
+      await p2pix.release(
+        lockID,
+        acc03.address,
+        endtoendID,
+        sig.r,
+        sig.s,
+        sig.v,
+      );
+      const fail = p2pix.unlockExpired([lockID]);
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.AlreadyReleased,
+      );
+    });
+    it("should unlock expired locks, update storage and emit events", async () => {
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc02)
+        .lock(
+          owner.address, 
+          erc20.address, 
+          acc02.address, 
+          acc03.address, 
+          0, 
+          1, 
+          [], 
+          []
+        );
+      const lockID = ethers.constants.One;
+      await mine(11);
+      const storage: Lock = await p2pix.callStatic.mapLocks(
+        lockID,
+      );
+      const userKey = await p2pix.callStatic._castAddrToKey(
+        acc02.address,
+      );
+      const record1 = await p2pix.callStatic.userRecord(
+        userKey,
+      );
+      const tx = await p2pix.unlockExpired([lockID]);
+      const storage2: Lock = await p2pix.callStatic.mapLocks(
+        lockID,
+      );
+      const record2 = await p2pix.callStatic.userRecord(
+        userKey,
+      );
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "LockReturned")
+        .withArgs(acc02.address, lockID);
+      expect(storage.amount).to.eq(ethers.constants.One);
+      expect(storage2.amount).to.eq(ethers.constants.Zero);
+      expect(record1).to.eq(0);
+      expect(record2).to.eq(price);
+    });
+    it("should unlock expired through lock function", async () => {
+      const target = ethers.BigNumber.from(101);
+      // test method through lock fx
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      const lock1: ContractTransaction = await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price,
+          proof,
+          [],
+        );
+      // as return values of non view functions can't be accessed
+      // outside the evm, we fetch the lockID from the emitted event.
+      const rc: ContractReceipt = await lock1.wait();
+      const event = rc.events?.find(
+        event => event.event === "LockAdded",
+      );
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      const emittedLockID = event?.args!["lockID"];
+      const lockID = ethers.constants.One;
+
+      // mine blocks to expire lock
+      await mine(12);
+      // const blocknum = await p2pix.provider.getBlockNumber();
+      // console.log("bn = 6 + 12 ( i.e., %s )", blocknum);
+      // console.log(
+      //   "\n",
+      //   " 2 blocks past the expiration block",
+      // );
+      // const struct2: Lock = await p2pix.callStatic.mapLocks(
+      //   emittedLockID,
+      // );
+      // console.log(
+      //   "\n",
+      //   "Current state of the lock:",
+      //   "\n",
+      //   struct2,
+      // );
+
+      expect(emittedLockID).to.eq(lockID);
+
+      // create another lock by freeing the price value
+      // back to `l.remamining` and lock 100 again.
+      const tx1 = await p2pix.lock(
+        owner.address,
+        erc20.address,
+        acc02.address,
+        acc03.address,
+        0,
+        100,
+        [],
+        [lockID],
+      );
+      const remaining = await p2pix.callStatic.getBalance(owner.address,erc20.address);
+
+      expect(tx1).to.be.ok;
+      await expect(tx1)
+        .to.emit(p2pix, "LockReturned")
+        .withArgs(acc02.address, lockID);
+      expect(remaining).to.eq(
+        price.sub(ethers.BigNumber.from(100)),
+      );
+    });
+    it("should unlock expired through withdraw function", async () => {
+      const target = ethers.constants.One;
+      // test method through withdraw fx
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      await p2pix
+        .connect(acc01)
+        .lock(
+          owner.address,
+          erc20.address,
+          acc02.address,
+          acc03.address,
+          0,
+          price,
+          proof,
+          [],
+        );
+      const lockID = ethers.constants.One;
+      // mine blocks to expire lock
+      await mine(11);
+      const tx = await p2pix.withdraw(erc20.address, price, [lockID]);
+      const remaining = await p2pix.callStatic.getBalance(owner.address, erc20.address);
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "LockReturned")
+        .withArgs(acc02.address, lockID);
+      expect(remaining).to.eq(0);
+    });
+  });
+
+  describe("Seller Withdraw", async () => {
+    it("should revert if the wished amount is invalid", async () => {
+      const target = ethers.BigNumber.from(101);
+      await erc20.approve(p2pix.address, price);
+      await p2pix.deposit(
+        erc20.address,
+        price,
+        target,
+        true,
+        merkleRoot,
+      );
+      const fail = p2pix.connect(acc02).withdraw(erc20.address, price.mul(ethers.constants.Two),[]);
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.DecOverflow,
+      );
+
+    });
+    it("should withdraw remaining funds from deposit, update storage and emit event", async () => {
+      const newPrice = price.div(ethers.constants.Two);
+      await erc20.approve(p2pix.address, price);
+      const dep = await p2pix.deposit(
+        erc20.address,
+        price,
+        ethers.BigNumber.from(101),
+        true,
+        merkleRoot,
+      );
+      const tx = await p2pix.withdraw(
+        erc20.address, 
+        price.div(ethers.constants.Two), 
+        []
+      );
+
+      expect(tx).to.be.ok;
+      await expect(dep)
+        .to.changeTokenBalance(
+          erc20,
+          owner.address,
+          "-100000000000000000000",
+        )
+        .and.to.changeTokenBalance(
+          erc20,
+          p2pix.address,
+          price,
+        );
+      await expect(tx)
+        .to.changeTokenBalance(erc20, owner.address, newPrice)
+        .and.to.changeTokenBalance(
+          erc20,
+          p2pix.address,
+          "-50000000000000000000",
+        );
+
+      await expect(tx)
+        .to.emit(p2pix, "DepositWithdrawn")
+        .withArgs(owner.address, erc20.address, newPrice);
+    });
+  });
+  describe("Allowlist Settings", async () => {
+    it("should revert if the msg.sender differs from deposit's seller", async () => {
+      const root = ethers.utils.keccak256(
+        ethers.utils.toUtf8Bytes("root"),
+      );
+      const fail = p2pix
+        .connect(acc02)
+        .setRoot(owner.address, root);
+
+      await expect(fail).to.be.revertedWithCustomError(
+        p2pix,
+        P2PixErrors.OnlySeller,
+      );
+    });
+    it("should set root of seller's allowlist, update storage and emit event", async () => {
+      const ownerKey = await p2pix.callStatic._castAddrToKey(
+        owner.address,
+      );
+      const oldState = await p2pix.callStatic.sellerAllowList(
+        ownerKey,
+      );
+      const tx = await p2pix
+        .connect(owner)
+        .setRoot(owner.address, merkleRoot);
+      const newState = await p2pix.callStatic.sellerAllowList(
+        ownerKey,
+      );
+
+      expect(tx).to.be.ok;
+      await expect(tx)
+        .to.emit(p2pix, "RootUpdated")
+        .withArgs(owner.address, merkleRoot);
+      expect(oldState).to.eq(ethers.constants.HashZero);
+      expect(newState).to.eq(merkleRoot);
+    });
+  });
+});
diff --git a/test/utils/errors.ts b/test/utils/errors.ts
index 111ff6f..5bf5595 100644
--- a/test/utils/errors.ts
+++ b/test/utils/errors.ts
@@ -15,4 +15,8 @@ export enum P2PixErrors {
   AddressDenied = "AddressDenied",
   AmountNotAllowed = "AmountNotAllowed",
   LockExpired = "LockExpired",
+  EmptyPixTarget = "EmptyPixTarget",
+  MaxBalExceeded = "MaxBalExceeded",
+  NotInitialized = "NotInitialized",
+  DecOverflow = "DecOverflow",
 }
diff --git a/test/utils/fixtures.ts b/test/utils/fixtures.ts
index ab9d9ed..fd9baca 100644
--- a/test/utils/fixtures.ts
+++ b/test/utils/fixtures.ts
@@ -17,22 +17,25 @@ export interface Deploys {
   token: string;
 }
 
-export interface Deposit {
-  remaining: BigNumber;
-  pixTarget: string;
-  seller: string;
-  token: string;
-  valid: boolean;
-}
+// export interface Deposit {
+//   remaining: BigNumber;
+//   pixTarget: string;
+//   seller: string;
+//   token: string;
+//   valid: boolean;
+// }
 
 export interface Lock {
-  depositID: BigNumber;
+  sellerKey: BigNumber;
+  counter: BigNumber;
   relayerPremium: BigNumber;
   amount: BigNumber;
   expirationBlock: BigNumber;
+  pixTarget: BigNumber;
   buyerAddress: string;
   relayerTarget: string;
   relayerAddress: string;
+  token: string;
 }
 
 export interface P2pixFixture {