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