dsa-connectors-old/contracts/mapping/staking.sol
2020-07-14 22:55:45 +05:30

96 lines
3.3 KiB
Solidity

pragma solidity ^0.6.0;
pragma experimental ABIEncoderV2;
interface ConnectorsInterface {
function chief(address) external view returns (bool);
}
interface IndexInterface {
function master() external view returns (address);
}
contract BytesHelper {
/**
* @dev Convert String to bytes32.
*/
function stringToBytes32(string memory str) internal pure returns (bytes32 result) {
require(bytes(str).length != 0, "String-Empty");
// solium-disable-next-line security/no-inline-assembly
assembly {
result := mload(add(str, 32))
}
}
/**
* @dev Convert bytes32 to String.
*/
function bytes32ToString(bytes32 _bytes32) internal pure returns (string memory) {
bytes32 _temp;
uint count;
for (uint256 i; i < 32; i++) {
_temp = _bytes32[i];
if( _temp != bytes32(0)) {
count += 1;
}
}
bytes memory bytesArray = new bytes(count);
for (uint256 i; i < count; i++) {
bytesArray[i] = (_bytes32[i]);
}
return (string(bytesArray));
}
}
contract Helpers is BytesHelper {
address public constant connectors = 0xD6A602C01a023B98Ecfb29Df02FBA380d3B21E0c;
address public constant instaIndex = 0x2971AdFa57b20E5a416aE5a708A8655A9c74f723;
uint public version = 1;
mapping (bytes32 => StakingData) public stakingMapping;
struct StakingData {
address stakingPool;
address stakingToken;
}
event LogAddStakingMapping(string stakingName, bytes32 stakingType, address stakingAddress, address stakingToken);
event LogRemoveStakingMapping(string stakingName, bytes32 stakingType, address stakingAddress, address stakingToken);
modifier isChief virtual {
require(
ConnectorsInterface(connectors).chief(msg.sender) ||
IndexInterface(instaIndex).master() == msg.sender, "not-Chief");
_;
}
function addStakingMapping(string memory stakingName, address stakingAddress, address stakingToken) public isChief {
require(stakingAddress != address(0), "stakingAddress-not-vaild");
require(stakingToken != address(0), "stakingToken-not-vaild");
require(bytes(stakingName).length <= 32, "Length-exceeds");
bytes32 stakeType = stringToBytes32(stakingName);
require(stakingMapping[stakeType].stakingPool == address(0), "StakingPool-already-added");
require(stakingMapping[stakeType].stakingToken == address(0), "StakingToken-already-added");
stakingMapping[stakeType] = StakingData(
stakingAddress,
stakingToken
);
emit LogAddStakingMapping(stakingName, stakeType, stakingAddress, stakingToken);
}
function removeStakingMapping(string memory stakingName, address stakingAddress) public isChief {
require(stakingAddress != address(0), "stakingAddress-not-vaild");
bytes32 stakeType = stringToBytes32(stakingName);
require(stakingMapping[stakeType].stakingPool != address(0), "StakingPool-not-added-yet");
require(stakingMapping[stakeType].stakingToken != address(0), "StakingToken-not-added-yet");
require(stakingMapping[stakeType].stakingPool == stakingAddress, "different-staking-pool");
emit LogRemoveStakingMapping(stakingName, stakeType, stakingAddress, stakingMapping[stakeType].stakingToken);
delete stakingMapping[stakeType];
}
}
contract InstaMapping is Helpers {
string constant public name = "Synthetix-Mapping-v1";
}