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pragma solidity ^0.4.24;
contract Oracle {
function isOutcomeSet() public view returns (bool);
function getOutcome() public view returns (int);
}
contract Proxied {
address public masterCopy;
}
contract Proxy is Proxied {
constructor(address _masterCopy)
public
{
require(_masterCopy != 0);
masterCopy = _masterCopy;
}
function ()
external
payable
{
address _masterCopy = masterCopy;
assembly {
calldatacopy(0, 0, calldatasize())
let success := delegatecall(not(0), _masterCopy, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
}
}
}
contract CentralizedBugOracleData {
event OwnerReplacement(address indexed newOwner);
event OutcomeAssignment(int outcome);
address public owner;
bytes public ipfsHash;
bool public isSet;
int public outcome;
address public maker;
address public taker;
modifier isOwner () {
require(msg.sender == owner);
_;
}
}
contract CentralizedBugOracleProxy is Proxy, CentralizedBugOracleData {
constructor(address proxied, address _owner, bytes _ipfsHash, address _maker, address _taker)
public
Proxy(proxied)
{
require(_ipfsHash.length == 46);
owner = _owner;
ipfsHash = _ipfsHash;
maker = _maker;
taker = _taker;
}
}
contract CentralizedBugOracle is Proxied,Oracle, CentralizedBugOracleData{
function setOutcome(int _outcome)
public
isOwner
{
require(!isSet);
_setOutcome(_outcome);
}
function isOutcomeSet()
public
view
returns (bool)
{
return isSet;
}
function getOutcome()
public
view
returns (int)
{
return outcome;
}
function _setOutcome(int _outcome) internal {
isSet = true;
outcome = _outcome;
emit OutcomeAssignment(_outcome);
}
} |