mirror of
https://github.com/ethereum/solidity
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32 lines
1.1 KiB
Solidity
32 lines
1.1 KiB
Solidity
pragma solidity >=0.0;
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import "../Oracles/SignedMessageOracle.sol";
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/// @title Signed message oracle factory contract - Allows to create signed message oracle contracts
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/// @author Stefan George - <stefan@gnosis.pm>
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contract SignedMessageOracleFactory {
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/*
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* Events
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*/
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event SignedMessageOracleCreation(address indexed creator, SignedMessageOracle signedMessageOracle, address oracle);
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/*
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* Public functions
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*/
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/// @dev Creates a new signed message oracle contract
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/// @param descriptionHash Hash identifying off chain event description
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/// @param v Signature parameter
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/// @param r Signature parameter
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/// @param s Signature parameter
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/// @return signedMessageOracle Oracle contract
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function createSignedMessageOracle(bytes32 descriptionHash, uint8 v, bytes32 r, bytes32 s)
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public
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returns (SignedMessageOracle signedMessageOracle)
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{
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signedMessageOracle = new SignedMessageOracle(descriptionHash, v, r, s);
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address oracle = ecrecover(descriptionHash, v, r, s);
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emit SignedMessageOracleCreation(msg.sender, signedMessageOracle, oracle);
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}
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}
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