tokenbridge-contracts/contracts/upgradeable_contracts/RewardableValidators.sol

69 lines
2.7 KiB
Solidity

pragma solidity 0.4.24;
import "./BaseBridgeValidators.sol";
contract RewardableValidators is BaseBridgeValidators {
function initialize(
uint256 _requiredSignatures,
address[] _initialValidators,
address[] _initialRewards,
address _owner
) external onlyRelevantSender returns (bool) {
require(!isInitialized());
_setOwner(_owner);
require(_requiredSignatures != 0);
require(_initialValidators.length >= _requiredSignatures);
require(_initialValidators.length == _initialRewards.length);
for (uint256 i = 0; i < _initialValidators.length; i++) {
require(_initialValidators[i] != address(0) && _initialValidators[i] != F_ADDR);
require(_initialRewards[i] != address(0));
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]);
}
setValidatorRewardAddress(_initialValidators[i], _initialRewards[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 addRewardableValidator(address _validator, address _reward) external onlyOwner {
require(_reward != address(0));
_addValidator(_validator);
setValidatorRewardAddress(_validator, _reward);
emit ValidatorAdded(_validator);
}
function removeValidator(address _validator) external onlyOwner {
_removeValidator(_validator);
deleteItemFromAddressStorage("validatorsRewards", _validator);
emit ValidatorRemoved(_validator);
}
function getValidatorRewardAddress(address _validator) external view returns (address) {
return addressStorage[keccak256(abi.encodePacked("validatorsRewards", _validator))];
}
function setValidatorRewardAddress(address _validator, address _reward) internal {
addressStorage[keccak256(abi.encodePacked("validatorsRewards", _validator))] = _reward;
}
}