26 lines
758 B
Solidity
26 lines
758 B
Solidity
|
pragma solidity ^0.8.0;
|
||
|
|
|
||
|
|
import "@openzeppelin/contracts/access/Ownable.sol";
|
||
|
|
import "./interfaces/IDioneOracle.sol";
|
||
|
|
|
||
|
|
contract Mediator {
|
||
|
|
event DataReceived(
|
||
|
|
uint256 reqID,
|
||
|
|
string data
|
||
|
|
);
|
||
|
|
|
||
|
|
IDioneOracle dioneOracle;
|
||
|
|
|
||
|
|
constructor(IDioneOracle _dioneOracle) {
|
||
|
|
dioneOracle = _dioneOracle;
|
||
|
|
}
|
||
|
|
|
||
|
|
function request(uint8 originChain, string memory requestType, string memory requestParams) public returns (uint256) {
|
||
|
|
return dioneOracle.requestOracles(originChain, requestType, requestParams, address(this), bytes4(keccak256("_receiveDataCallback(uint256, string)")));
|
||
|
|
}
|
||
|
|
|
||
|
|
function _receiveDataCallback(uint256 reqID, string memory data) public {
|
||
|
|
require(msg.sender == address(dioneOracle));
|
||
|
|
emit DataReceived(reqID, data);
|
||
|
|
}
|
||
|
|
}
|