diff options
Diffstat (limited to 'packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol')
-rw-r--r-- | packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol | 61 |
1 files changed, 25 insertions, 36 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol index 8b7333646..edb788fab 100644 --- a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol +++ b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol @@ -16,14 +16,16 @@ */ -pragma solidity 0.4.10; +pragma solidity 0.4.24; import "../../multisig/MultiSigWalletWithTimeLock.sol"; +import "../../utils/LibBytes/LibBytes.sol"; contract AssetProxyOwner is MultiSigWalletWithTimeLock { + using LibBytes for bytes; event AssetProxyRegistration(address assetProxyContract, bool isRegistered); @@ -36,9 +38,15 @@ contract AssetProxyOwner is /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex` /// on an approved AssetProxy contract. modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) { - Transaction storage tx = transactions[transactionId]; - require(isAssetProxyRegistered[tx.destination]); - require(readBytes4(tx.data, 0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR); + Transaction storage txn = transactions[transactionId]; + require( + isAssetProxyRegistered[txn.destination], + "UNREGISTERED_ASSET_PROXY" + ); + require( + txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR, + "INVALID_FUNCTION_SELECTOR" + ); _; } @@ -48,7 +56,7 @@ contract AssetProxyOwner is /// @param _assetProxyContracts Array of AssetProxy contract addresses. /// @param _required Number of required confirmations. /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds. - function AssetProxyOwner( + constructor ( address[] memory _owners, address[] memory _assetProxyContracts, uint256 _required, @@ -59,7 +67,10 @@ contract AssetProxyOwner is { for (uint256 i = 0; i < _assetProxyContracts.length; i++) { address assetProxy = _assetProxyContracts[i]; - require(assetProxy != address(0)); + require( + assetProxy != address(0), + "INVALID_ASSET_PROXY" + ); isAssetProxyRegistered[assetProxy] = true; } } @@ -74,7 +85,7 @@ contract AssetProxyOwner is notNull(assetProxyContract) { isAssetProxyRegistered[assetProxyContract] = isRegistered; - AssetProxyRegistration(assetProxyContract, isRegistered); + emit AssetProxyRegistration(assetProxyContract, isRegistered); } /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock. @@ -85,35 +96,13 @@ contract AssetProxyOwner is fullyConfirmed(transactionId) validRemoveAuthorizedAddressAtIndexTx(transactionId) { - Transaction storage tx = transactions[transactionId]; - tx.executed = true; - // solhint-disable-next-line avoid-call-value - if (tx.destination.call.value(tx.value)(tx.data)) - Execution(transactionId); - else { - ExecutionFailure(transactionId); - tx.executed = false; + Transaction storage txn = transactions[transactionId]; + txn.executed = true; + if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) { + emit Execution(transactionId); + } else { + emit ExecutionFailure(transactionId); + txn.executed = false; } } - - /// @dev Reads an unpadded bytes4 value from a position in a byte array. - /// @param b Byte array containing a bytes4 value. - /// @param index Index in byte array of bytes4 value. - /// @return bytes4 value from byte array. - function readBytes4( - bytes memory b, - uint256 index - ) - internal - returns (bytes4 result) - { - require(b.length >= index + 4); - assembly { - result := mload(add(b, 32)) - // Solidity does not require us to clean the trailing bytes. - // We do it anyway - result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000) - } - return result; - } } |