package kit import ( "golang.org/x/crypto/sha3" ) func EthTopicHash(sig string) []byte { hasher := sha3.NewLegacyKeccak256() hasher.Write([]byte(sig)) return hasher.Sum(nil) } func EthFunctionHash(sig string) []byte { hasher := sha3.NewLegacyKeccak256() hasher.Write([]byte(sig)) return hasher.Sum(nil)[:4] } // SolidityContractDef holds information about one of the test contracts type SolidityContractDef struct { Filename string // filename of the hex of the contract, e.g. contracts/EventMatrix.hex Fn map[string][]byte // mapping of function names to 32-bit selector Ev map[string][]byte // mapping of event names to 256-bit signature hashes } var EventMatrixContract = SolidityContractDef{ Filename: "contracts/EventMatrix.hex", Fn: map[string][]byte{ "logEventZeroData": EthFunctionHash("logEventZeroData()"), "logEventOneData": EthFunctionHash("logEventOneData(uint256)"), "logEventTwoData": EthFunctionHash("logEventTwoData(uint256,uint256)"), "logEventThreeData": EthFunctionHash("logEventThreeData(uint256,uint256,uint256)"), "logEventFourData": EthFunctionHash("logEventFourData(uint256,uint256,uint256,uint256)"), "logEventOneIndexed": EthFunctionHash("logEventOneIndexed(uint256)"), "logEventTwoIndexed": EthFunctionHash("logEventTwoIndexed(uint256,uint256)"), "logEventThreeIndexed": EthFunctionHash("logEventThreeIndexed(uint256,uint256,uint256)"), "logEventOneIndexedWithData": EthFunctionHash("logEventOneIndexedWithData(uint256,uint256)"), "logEventTwoIndexedWithData": EthFunctionHash("logEventTwoIndexedWithData(uint256,uint256,uint256)"), "logEventThreeIndexedWithData": EthFunctionHash("logEventThreeIndexedWithData(uint256,uint256,uint256,uint256)"), }, Ev: map[string][]byte{ "EventZeroData": EthTopicHash("EventZeroData()"), "EventOneData": EthTopicHash("EventOneData(uint256)"), "EventTwoData": EthTopicHash("EventTwoData(uint256,uint256)"), "EventThreeData": EthTopicHash("EventThreeData(uint256,uint256,uint256)"), "EventFourData": EthTopicHash("EventFourData(uint256,uint256,uint256,uint256)"), "EventOneIndexed": EthTopicHash("EventOneIndexed(uint256)"), "EventTwoIndexed": EthTopicHash("EventTwoIndexed(uint256,uint256)"), "EventThreeIndexed": EthTopicHash("EventThreeIndexed(uint256,uint256,uint256)"), "EventOneIndexedWithData": EthTopicHash("EventOneIndexedWithData(uint256,uint256)"), "EventTwoIndexedWithData": EthTopicHash("EventTwoIndexedWithData(uint256,uint256,uint256)"), "EventThreeIndexedWithData": EthTopicHash("EventThreeIndexedWithData(uint256,uint256,uint256,uint256)"), }, } var EventsContract = SolidityContractDef{ Filename: "contracts/events.bin", Fn: map[string][]byte{ "log_zero_data": {0x00, 0x00, 0x00, 0x00}, "log_zero_nodata": {0x00, 0x00, 0x00, 0x01}, "log_four_data": {0x00, 0x00, 0x00, 0x02}, }, Ev: map[string][]byte{}, }