kredits/contracts
kredits/contracts
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modify app

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This commit is contained in:
haythem 2019-08-27 14:39:26 +01:00
parent 44c03f6ab3
commit 3028718de8
1 changed files with 36 additions and 33 deletions
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67
apps/vault/contracts/Vault.sol
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@ -20,10 +20,15 @@ interface IToken {
contract Vault is EtherTokenConstant, AragonApp, DepositableStorage { contract Vault is EtherTokenConstant, AragonApp, DepositableStorage {
using SafeERC20 for ERC20; using SafeERC20 for ERC20;
bytes32 public constant TRANSFER_ROLE = keccak256("TRANSFER_ROLE");
string private constant ERROR_NOT_DEPOSITABLE = "VAULT_NOT_DEPOSITABLE"; string private constant ERROR_NOT_DEPOSITABLE = "VAULT_NOT_DEPOSITABLE";
string private constant ERROR_DEPOSIT_VALUE_ZERO = "VAULT_DEPOSIT_VALUE_ZERO"; string private constant ERROR_DEPOSIT_VALUE_ZERO = "VAULT_DEPOSIT_VALUE_ZERO";
string private constant ERROR_VALUE_MISMATCH = "VAULT_VALUE_MISMATCH"; string private constant ERROR_VALUE_MISMATCH = "VAULT_VALUE_MISMATCH";
string private constant ERROR_TOKEN_TRANSFER_FROM_REVERTED = "VAULT_TOKEN_TRANSFER_FROM_REVERT"; string private constant ERROR_TOKEN_TRANSFER_FROM_REVERTED = "VAULT_TOKEN_TRANSFER_FROM_REVERT";
string private constant ERROR_TRANSFER_VALUE_ZERO = "VAULT_TRANSFER_VALUE_ZERO";
string private constant ERROR_SEND_REVERTED = "VAULT_SEND_REVERTED";
string private constant ERROR_TOKEN_TRANSFER_REVERTED = "VAULT_TOKEN_TRANSFER_REVERTED";
uint256 private _snapshotTotalSupply; uint256 private _snapshotTotalSupply;
@ -34,6 +39,7 @@ contract Vault is EtherTokenConstant, AragonApp, DepositableStorage {
bytes32[4] public appIds; bytes32[4] public appIds;
event VaultDeposit(address indexed token, address indexed sender, uint256 amount); event VaultDeposit(address indexed token, address indexed sender, uint256 amount);
event VaultTransfer(address indexed token, address indexed to, uint256 amount);
function () external payable isInitialized { function () external payable isInitialized {
_deposit(ETH, msg.value); _deposit(ETH, msg.value);
@ -50,25 +56,18 @@ contract Vault is EtherTokenConstant, AragonApp, DepositableStorage {
setDepositable(true); setDepositable(true);
} }
function getTokenContract() public view returns (address) { function getContract(uint8 appId) public view returns (address) {
IKernel k = IKernel(kernel()); IKernel k = IKernel(kernel());
return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[appId]);
return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Token)]);
}
function getContributorContract() public view returns (address) {
IKernel k = IKernel(kernel());
return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Contributor)]);
} }
function getContributorAddressById(uint32 contributorId) public view returns (address) { function getContributorAddressById(uint32 contributorId) public view returns (address) {
address contributor = getContributorContract(); address contributor = getContract(uint8(Apps.Contributor));
return IContributor(contributor).getContributorAddressById(contributorId); return IContributor(contributor).getContributorAddressById(contributorId);
} }
function getContributorsAddresses() internal view returns (address[]) { function getContributorsAddresses() internal view returns (address[]) {
address contributor = getContributorContract(); address contributor = getContract(uint8(Apps.Contributor));
uint32 contributorsCount = IContributor(contributor).contributorsCount(); uint32 contributorsCount = IContributor(contributor).contributorsCount();
address[] memory contributorsAddresses = new address[](contributorsCount); address[] memory contributorsAddresses = new address[](contributorsCount);
@ -82,12 +81,12 @@ contract Vault is EtherTokenConstant, AragonApp, DepositableStorage {
} }
function balanceOf(address owner) public view returns (uint256) { function balanceOf(address owner) public view returns (uint256) {
address token = getTokenContract(); address token = getContract(uint8(Apps.Token));
return IToken(token).balanceOf(owner); return IToken(token).balanceOf(owner);
} }
function totalSupply() public view returns (uint256) { function totalSupply() public view returns (uint256) {
address token = getTokenContract(); address token = getContract(uint8(Apps.Token));
return IToken(token).totalSupply(); return IToken(token).totalSupply();
} }
@ -121,35 +120,39 @@ contract Vault is EtherTokenConstant, AragonApp, DepositableStorage {
require(_value > 0, ERROR_DEPOSIT_VALUE_ZERO); require(_value > 0, ERROR_DEPOSIT_VALUE_ZERO);
if (_token == ETH) { if (_token == ETH) {
// Deposit is implicit in this case // Deposit is implicit in this case
require(msg.value == _value, ERROR_VALUE_MISMATCH); require(msg.value == _value, ERROR_VALUE_MISMATCH);
createSnapshot();
emit VaultDeposit(_token, msg.sender, _value);
} else { } else {
require( require(
ERC20(_token).safeTransferFrom(msg.sender, address(this), _value), ERC20(_token).safeTransferFrom(msg.sender, address(this), _value),
ERROR_TOKEN_TRANSFER_FROM_REVERTED ERROR_TOKEN_TRANSFER_FROM_REVERTED
); );
} }
emit VaultDeposit(_token, msg.sender, _value);
} }
function createSnapshot() internal { /**
updateSnapshotTotalSupply(); * @notice Transfer `_value` `_token` from the Vault to `_to`
updateSnapshotBalances(); * @param _token Address of the token being transferred
} * @param _to Address of the recipient of tokens
* @param _value Amount of tokens being transferred
*/
/* solium-disable-next-line function-order */
function transfer(address _token, address _to, uint256 _value)
external
authP(TRANSFER_ROLE, arr(_token, _to, _value))
{
require(_value > 0, ERROR_TRANSFER_VALUE_ZERO);
function updateSnapshotTotalSupply() internal { if (_token == ETH) {
_snapshotTotalSupply = totalSupply(); require(_to.send(_value), ERROR_SEND_REVERTED);
} } else {
require(ERC20(_token).safeTransfer(_to, _value), ERROR_TOKEN_TRANSFER_REVERTED);
function updateSnapshotBalances() internal {
address[] memory contributorsAddresses = getContributorsAddresses();
for(uint32 i = 0; i < contributorsAddresses.length; i++) {
_snapshotBalances[contributorsAddresses[i]] = balanceOf(contributorsAddresses[i]);
} }
emit VaultTransfer(_token, _to, _value);
} }
} }