tokenbridge-contracts/contracts/upgradeable_contracts/BridgeValidators.sol

54 lines
1.9 KiB
Solidity

pragma solidity 0.4.24;
import "./BaseBridgeValidators.sol";
contract BridgeValidators is BaseBridgeValidators {
function initialize(uint256 _requiredSignatures, address[] _initialValidators, address _owner)
external
onlyRelevantSender
returns (bool)
{
require(!isInitialized());
_setOwner(_owner);
require(_requiredSignatures != 0);
require(_initialValidators.length >= _requiredSignatures);
for (uint256 i = 0; i < _initialValidators.length; i++) {
require(_initialValidators[i] != address(0) && _initialValidators[i] != F_ADDR);
require(!isValidator(_initialValidators[i]));
if (i == 0) {
setNextValidator(F_ADDR, _initialValidators[i]);
if (_initialValidators.length == 1) {
setNextValidator(_initialValidators[i], F_ADDR);
}
} else if (i == _initialValidators.length - 1) {
setNextValidator(_initialValidators[i - 1], _initialValidators[i]);
setNextValidator(_initialValidators[i], F_ADDR);
} else {
setNextValidator(_initialValidators[i - 1], _initialValidators[i]);
}
emit ValidatorAdded(_initialValidators[i]);
}
setValidatorCount(_initialValidators.length);
uintStorage[REQUIRED_SIGNATURES] = _requiredSignatures;
uintStorage[DEPLOYED_AT_BLOCK] = block.number;
setInitialize();
emit RequiredSignaturesChanged(_requiredSignatures);
return isInitialized();
}
function addValidator(address _validator) external onlyOwner {
_addValidator(_validator);
emit ValidatorAdded(_validator);
}
function removeValidator(address _validator) external onlyOwner {
_removeValidator(_validator);
emit ValidatorRemoved(_validator);
}
}