diff --git a/contracts/Contributors.sol b/contracts/Contributors.sol
index 7067d74..afca229 100644
--- a/contracts/Contributors.sol
+++ b/contracts/Contributors.sol
@@ -101,7 +101,7 @@ contract Contributors is Upgradeable {
     return contributors[_id].account;
   }
 
-  function getContributorByAddress(address _address) internal returns (Contributor) {
+  function getContributorByAddress(address _address) internal view returns (Contributor) {
     uint id = contributorIds[_address];
     return contributors[id];
   }
diff --git a/contracts/Operator.sol b/contracts/Operator.sol
index 8f85c5f..174a062 100644
--- a/contracts/Operator.sol
+++ b/contracts/Operator.sol
@@ -23,7 +23,6 @@ contract Operator is Upgradeable {
   Proposal[] public proposals;
 
   event ProposalCreated(uint256 id, address creator, uint recipient, uint256 amount);
-  event ProposalVoted(uint256 id, address voter);
   event ProposalVoted(uint256 id, address voter, uint256 totalVotes);
   event ProposalExecuted(uint256 id, uint recipient, uint256 amount);
 
@@ -40,10 +39,10 @@ contract Operator is Upgradeable {
     _;
   }
 
-  function contributorsContract() constant public returns (Contributors) {
+  function contributorsContract() view public returns (Contributors) {
     return Contributors(registry.getProxyFor('Contributors'));
   }
-  function tokenContract() constant public returns (Token) {
+  function tokenContract() view public returns (Token) {
     return Token(registry.getProxyFor('Token'));
   }
 
diff --git a/contracts/upgradeable/IRegistry.sol b/contracts/upgradeable/IRegistry.sol
index 51c52fb..585ffce 100644
--- a/contracts/upgradeable/IRegistry.sol
+++ b/contracts/upgradeable/IRegistry.sol
@@ -10,7 +10,7 @@ interface IRegistry {
   * @param name of the contract, as specified in the registry
   * @param proxy representing the address of the proxy created
   */
-  event ProxyCreated(bytes32 name, address proxy);
+  event ProxyCreated(string name, address proxy);
 
   /**
   * @dev This event will be emitted every time a new implementation is registered
@@ -18,21 +18,21 @@ interface IRegistry {
   * @param version representing the version name of the registered implementation
   * @param implementation representing the address of the registered implementation
   */
-  event VersionAdded(bytes32 name, uint version, address implementation);
+  event VersionAdded(string name, uint version, address implementation);
 
   /**
   * @dev This event will be emitted every time a proxy is upgraded to a new version
   * @param name of the contract, as specified in the registry
   * @param version representing the version name of the registered implementation
   */
-  event ProxyImplementationUpgraded(bytes32 name, uint version);
+  event ProxyImplementationUpgraded(string name, uint version);
 
   /**
   * @dev Registers a new version with its implementation address
   * @param name of the contract, as specified in the registry
   * @param implementation representing the address of the new implementation to be registered
   */
-  function addVersion(bytes32 name, address implementation) public;
+  function addVersion(string name, address implementation) public;
 
   /**
   * @dev Tells the address of the implementation for a given version
@@ -40,14 +40,14 @@ interface IRegistry {
   * @param version to query the implementation of
   * @return address of the implementation registered for the given version
   */
-  function getVersion(bytes32 name, uint version) public view returns (address);
+  function getVersion(string name, uint version) public view returns (address);
 
   /**
   * @dev Tells the latest address of the implementation
   * @param name of the contract, as specified in the registry
   * @return address of the implementation registered for the latest version
   */
-  function getLatestVersion(bytes32 name) public view returns (address);
+  function getLatestVersion(string name) public view returns (address);
 
-  function getProxyFor(bytes32 name) public view returns (address);
+  function getProxyFor(string name) public view returns (address);
 }
diff --git a/contracts/upgradeable/Registry.sol b/contracts/upgradeable/Registry.sol
index e94d683..7dce4e4 100644
--- a/contracts/upgradeable/Registry.sol
+++ b/contracts/upgradeable/Registry.sol
@@ -24,11 +24,12 @@ contract Registry is IRegistry {
   * @param name of the contract
   * @param implementation representing the address of the new implementation to be registered
   */
-  function addVersion(bytes32 name, address implementation) public {
-    currentVersions[name] = currentVersions[name] + 1;
-    uint version = currentVersions[name];
-    require(versions[name][version] == 0x0);
-    versions[name][version] = implementation;
+  function addVersion(string name, address implementation) public {
+    bytes32 key = keccak256(name);
+    currentVersions[key] = currentVersions[key] + 1;
+    uint version = currentVersions[key];
+    require(versions[key][version] == 0x0);
+    versions[key][version] = implementation;
     VersionAdded(name, version, implementation);
   }
 
@@ -38,26 +39,31 @@ contract Registry is IRegistry {
   * @param version to query the implementation of
   * @return address of the implementation registered for the given version
   */
-  function getVersion(bytes32 name, uint version) public view returns (address) {
-    return versions[name][version];
+  function getVersion(string name, uint version) public view returns (address) {
+    bytes32 key = keccak256(name);
+    return versions[key][version];
   }
 
-  function getLatestVersion(bytes32 name) public view returns (address) {
-    uint current = currentVersions[name];
+  function getLatestVersion(string name) public view returns (address) {
+    bytes32 key = keccak256(name);
+    uint current = currentVersions[key];
     return getVersion(name, current);
   }
 
-  function getProxyFor(bytes32 name) public view returns (address) {
-    return proxies[name];
+  function getProxyFor(string name) public view returns (address) {
+    bytes32 key = keccak256(name);
+    return proxies[key];
   }
 
-  function upgrade(bytes32 name, uint version) public {
-    UpgradeabilityProxy(proxies[name]).upgradeTo(version);
+  function upgrade(string name, uint version) public {
+    bytes32 key = keccak256(name);
+    UpgradeabilityProxy(proxies[key]).upgradeTo(version);
     ProxyImplementationUpgraded(name, version);
   }
 
-  function upgradeToLatest(bytes32 name) public {
-    uint current = currentVersions[name];
+  function upgradeToLatest(string name) public {
+    bytes32 key = keccak256(name);
+    uint current = currentVersions[key];
     upgrade(name, current);
   }
 
@@ -67,12 +73,14 @@ contract Registry is IRegistry {
   * @param version representing the first version to be set for the proxy
   * @return address of the new proxy created
   */
-  function createProxy(bytes32 name, uint version) public payable returns (UpgradeabilityProxy) {
-    require(proxies[name] == 0x0);
+  function createProxy(string name, uint version) public payable returns (UpgradeabilityProxy) {
+    bytes32 key = keccak256(name);
+    require(proxies[key] == 0x0);
     UpgradeabilityProxy proxy = new UpgradeabilityProxy(name, version);
-    proxies[name] = address(proxy);
+    proxies[key] = address(proxy);
     Upgradeable(proxy).initialize.value(msg.value)(msg.sender);
     ProxyCreated(name, proxy);
     return proxy;
   }
+
 }
diff --git a/contracts/upgradeable/UpgradeabilityProxy.sol b/contracts/upgradeable/UpgradeabilityProxy.sol
index be8fb6f..1de20f8 100644
--- a/contracts/upgradeable/UpgradeabilityProxy.sol
+++ b/contracts/upgradeable/UpgradeabilityProxy.sol
@@ -10,7 +10,7 @@ import './UpgradeabilityStorage.sol';
  */
 contract UpgradeabilityProxy is Proxy, UpgradeabilityStorage {
 
-  function UpgradeabilityProxy(bytes32 _name, uint _version) public {
+  function UpgradeabilityProxy(string _name, uint _version) public {
     _proxiedContractName = _name;
     registry = IRegistry(msg.sender);
     upgradeTo(_version);
diff --git a/contracts/upgradeable/UpgradeabilityStorage.sol b/contracts/upgradeable/UpgradeabilityStorage.sol
index d2902c8..96373cb 100644
--- a/contracts/upgradeable/UpgradeabilityStorage.sol
+++ b/contracts/upgradeable/UpgradeabilityStorage.sol
@@ -14,14 +14,14 @@ contract UpgradeabilityStorage {
   address internal _implementation;
 
   // contract name
-  bytes32 public _proxiedContractName;
+  string public _proxiedContractName;
 
 
   modifier requireRegistry() {
     require(address(registry) != 0x0);
     _;
   }
-  modifier onlyRegistryContractFor(bytes32 name) {
+  modifier onlyRegistryContractFor(string name) {
     require(address(registry) != 0x0);
     require(msg.sender == registry.getProxyFor(name));
     _;
diff --git a/lib/abis/Contributors.json b/lib/abis/Contributors.json
index 6e64ab8..130f614 100644
--- a/lib/abis/Contributors.json
+++ b/lib/abis/Contributors.json
@@ -1 +1 @@
-[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"contributors","outputs":[{"name":"account","type":"address"},{"name":"profileHash","type":"bytes32"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"isCore","type":"bool"},{"name":"exists","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_proxiedContractName","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"contributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"contributorIds","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"oldProfileHash","type":"bytes32"},{"indexed":false,"name":"newProfileHash","type":"bytes32"}],"name":"ContributorProfileUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"oldAddress","type":"address"},{"indexed":false,"name":"newAddress","type":"address"}],"name":"ContributorAddressUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"_address","type":"address"}],"name":"ContributorAdded","type":"event"},{"constant":false,"inputs":[{"name":"sender","type":"address"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"coreContributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_oldAddress","type":"address"},{"name":"_newAddress","type":"address"}],"name":"updateContributorAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_profileHash","type":"bytes32"}],"name":"updateContributorProfileHash","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_profileHash","type":"bytes32"},{"name":"isCore","type":"bool"}],"name":"addContributor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"isCore","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"exists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"addressIsCore","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"addressExists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"getContributorIdByAddress","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"getContributorAddressById","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}]
\ No newline at end of file
+[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"contributors","outputs":[{"name":"account","type":"address"},{"name":"profileHash","type":"bytes32"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"isCore","type":"bool"},{"name":"exists","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_proxiedContractName","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"contributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"contributorIds","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"oldProfileHash","type":"bytes32"},{"indexed":false,"name":"newProfileHash","type":"bytes32"}],"name":"ContributorProfileUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"oldAddress","type":"address"},{"indexed":false,"name":"newAddress","type":"address"}],"name":"ContributorAddressUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"_address","type":"address"}],"name":"ContributorAdded","type":"event"},{"constant":false,"inputs":[{"name":"sender","type":"address"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"coreContributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_oldAddress","type":"address"},{"name":"_newAddress","type":"address"}],"name":"updateContributorAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_profileHash","type":"bytes32"}],"name":"updateContributorProfileHash","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_profileHash","type":"bytes32"},{"name":"isCore","type":"bool"}],"name":"addContributor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"isCore","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"exists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"addressIsCore","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"addressExists","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"getContributorIdByAddress","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"getContributorAddressById","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}]
\ No newline at end of file
diff --git a/lib/abis/Operator.json b/lib/abis/Operator.json
index 4d6415c..fe3549c 100644
--- a/lib/abis/Operator.json
+++ b/lib/abis/Operator.json
@@ -1 +1 @@
-[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"proposals","outputs":[{"name":"creator","type":"address"},{"name":"recipientId","type":"uint256"},{"name":"votesCount","type":"uint256"},{"name":"votesNeeded","type":"uint256"},{"name":"amount","type":"uint256"},{"name":"executed","type":"bool"},{"name":"ipfsHash","type":"bytes32"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"exists","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_proxiedContractName","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"sender","type":"address"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"creator","type":"address"},{"indexed":false,"name":"recipient","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"ProposalCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"voter","type":"address"}],"name":"ProposalVoted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"voter","type":"address"},{"indexed":false,"name":"totalVotes","type":"uint256"}],"name":"ProposalVoted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"recipient","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"ProposalExecuted","type":"event"},{"constant":true,"inputs":[],"name":"contributorsContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"contributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"coreContributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_profileHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_isCore","type":"bool"}],"name":"addContributor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_profileHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"}],"name":"updateContributorProfileHash","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"getContributor","outputs":[{"name":"account","type":"address"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"profileHash","type":"bytes32"},{"name":"isCore","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"proposalsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_recipient","type":"uint256"},{"name":"_amount","type":"uint256"},{"name":"_ipfsHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"}],"name":"addProposal","outputs":[{"name":"proposalId","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_proposalId","type":"uint256"}],"name":"vote","outputs":[{"name":"_pId","type":"uint256"},{"name":"_executed","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_sender","type":"address"},{"name":"_proposalId","type":"uint256"}],"name":"hasVotedFor","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"}]
\ No newline at end of file
+[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"proposals","outputs":[{"name":"creator","type":"address"},{"name":"recipientId","type":"uint256"},{"name":"votesCount","type":"uint256"},{"name":"votesNeeded","type":"uint256"},{"name":"amount","type":"uint256"},{"name":"executed","type":"bool"},{"name":"ipfsHash","type":"bytes32"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"exists","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_proxiedContractName","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"sender","type":"address"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"creator","type":"address"},{"indexed":false,"name":"recipient","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"ProposalCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"voter","type":"address"},{"indexed":false,"name":"totalVotes","type":"uint256"}],"name":"ProposalVoted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"recipient","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"ProposalExecuted","type":"event"},{"constant":true,"inputs":[],"name":"contributorsContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"contributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"coreContributorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_profileHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"},{"name":"_isCore","type":"bool"}],"name":"addContributor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_profileHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"}],"name":"updateContributorProfileHash","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"}],"name":"getContributor","outputs":[{"name":"account","type":"address"},{"name":"hashFunction","type":"uint8"},{"name":"hashSize","type":"uint8"},{"name":"profileHash","type":"bytes32"},{"name":"isCore","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"proposalsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_recipient","type":"uint256"},{"name":"_amount","type":"uint256"},{"name":"_ipfsHash","type":"bytes32"},{"name":"_hashFunction","type":"uint8"},{"name":"_hashSize","type":"uint8"}],"name":"addProposal","outputs":[{"name":"proposalId","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_proposalId","type":"uint256"}],"name":"vote","outputs":[{"name":"_pId","type":"uint256"},{"name":"_executed","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_sender","type":"address"},{"name":"_proposalId","type":"uint256"}],"name":"hasVotedFor","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"}]
\ No newline at end of file
diff --git a/lib/abis/Registry.json b/lib/abis/Registry.json
index ffb2b92..b35fae1 100644
--- a/lib/abis/Registry.json
+++ b/lib/abis/Registry.json
@@ -1 +1 @@
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diff --git a/lib/abis/Token.json b/lib/abis/Token.json
index 64abf5b..53158c7 100644
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