solidity/test/compilationTests/gnosis/Oracles/FutarchyOracleFactory.sol
2020-07-07 12:16:18 +02:00

95 lines
2.5 KiB
Solidity

pragma solidity >=0.0;
import "../Oracles/FutarchyOracle.sol";
/// @title Futarchy oracle factory contract - Allows to create Futarchy oracle contracts
/// @author Stefan George - <stefan@gnosis.pm>
contract FutarchyOracleFactory {
/*
* Events
*/
event FutarchyOracleCreation(
address indexed creator,
FutarchyOracle futarchyOracle,
Token collateralToken,
Oracle oracle,
uint8 outcomeCount,
int lowerBound,
int upperBound,
MarketFactory marketFactory,
MarketMaker marketMaker,
uint24 fee,
uint deadline
);
/*
* Storage
*/
EventFactory eventFactory;
/*
* Public functions
*/
/// @dev Constructor sets event factory contract
/// @param _eventFactory Event factory contract
constructor(EventFactory _eventFactory)
{
require(address(_eventFactory) != address(0));
eventFactory = _eventFactory;
}
/// @dev Creates a new Futarchy oracle contract
/// @param collateralToken Tokens used as collateral in exchange for outcome tokens
/// @param oracle Oracle contract used to resolve the event
/// @param outcomeCount Number of event outcomes
/// @param lowerBound Lower bound for event outcome
/// @param upperBound Lower bound for event outcome
/// @param marketFactory Market factory contract
/// @param marketMaker Market maker contract
/// @param fee Market fee
/// @param deadline Decision deadline
/// @return futarchyOracle Oracle contract
function createFutarchyOracle(
Token collateralToken,
Oracle oracle,
uint8 outcomeCount,
int lowerBound,
int upperBound,
MarketFactory marketFactory,
MarketMaker marketMaker,
uint24 fee,
uint deadline
)
public
returns (FutarchyOracle futarchyOracle)
{
futarchyOracle = new FutarchyOracle(
msg.sender,
eventFactory,
collateralToken,
oracle,
outcomeCount,
lowerBound,
upperBound,
marketFactory,
marketMaker,
fee,
deadline
);
emit FutarchyOracleCreation(
msg.sender,
futarchyOracle,
collateralToken,
oracle,
outcomeCount,
lowerBound,
upperBound,
marketFactory,
marketMaker,
fee,
deadline
);
}
}