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tokenbridge-contracts
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add some changes

This commit is contained in:
Roman Storm 2018-05-10 18:19:01 -04:00
parent 188357798c
commit 4cd20a7756
1 changed files with 15 additions and 14 deletions
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29
contracts/upgradeable_contracts/U_HomeBridge.sol
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@ -12,6 +12,7 @@ contract HomeBridge is EternalStorage, BasicBridge {
event Withdraw (address recipient, uint256 value, bytes32 transactionHash);
event DailyLimit(uint256 newLimit);
event SignedForDeposit(address indexed signer, bytes32 messageHash);
event SignedForWithdraw(address indexed signer, bytes32 transactionHash);
event CollectedSignatures(address authorityResponsibleForRelay, bytes32 messageHash);
@ -78,42 +79,42 @@ contract HomeBridge is EternalStorage, BasicBridge {
bytes32 hashMsg = keccak256(recipient, value, transactionHash);
bytes32 hashSender = keccak256(msg.sender, hashMsg);
// Duplicated deposits
require(!depositsSigned(hashSender));
setDepositsSigned(hashSender, true);
require(!withdrawalsSigned(hashSender));
setWithdrawalsSigned(hashSender, true);
uint256 signed = numDepositsSigned(hashMsg);
uint256 signed = numWithdrawalsSigned(hashMsg);
require(!isAlreadyProcessed(signed));
// the check above assumes that the case when the value could be overflew will not happen in the addition operation below
signed = signed + 1;
setNumDepositsSigned(hashMsg, signed);
setNumWithdrawalsSigned(hashMsg, signed);
emit SignedForDeposit(msg.sender, transactionHash);
emit SignedForWithdraw(msg.sender, transactionHash);
if (signed >= validatorContract().requiredSignatures()) {
// If the bridge contract does not own enough tokens to transfer
// it will couse funds lock on the home side of the bridge
setNumDepositsSigned(hashMsg, markAsProcessed(signed));
setNumWithdrawalsSigned(hashMsg, markAsProcessed(signed));
recipient.transfer(value);
emit Withdraw(recipient, value, transactionHash);
}
}
function numDepositsSigned(bytes32 _deposit) private view returns(uint256) {
return uintStorage[keccak256("numDepositsSigned", _deposit)];
function numWithdrawalsSigned(bytes32 _deposit) private view returns(uint256) {
return uintStorage[keccak256("numWithdrawalsSigned", _deposit)];
}
function setDepositsSigned(bytes32 _deposit, bool _status) private {
boolStorage[keccak256("depositsSigned", _deposit)] = _status;
function setWithdrawalsSigned(bytes32 _deposit, bool _status) private {
boolStorage[keccak256("withdrawalsSigned", _deposit)] = _status;
}
function setNumDepositsSigned(bytes32 _deposit, uint256 _number) private {
uintStorage[keccak256("numDepositsSigned", _deposit)] = _number;
function setNumWithdrawalsSigned(bytes32 _deposit, uint256 _number) private {
uintStorage[keccak256("numWithdrawalsSigned", _deposit)] = _number;
}
function depositsSigned(bytes32 _deposit) public view returns(bool) {
return boolStorage[keccak256("depositsSigned", _deposit)];
function withdrawalsSigned(bytes32 _deposit) public view returns(bool) {
return boolStorage[keccak256("withdrawalsSigned", _deposit)];
}
function setHomeDailyLimit(uint256 _homeDailyLimit) external onlyOwner {