ipld-eth-server/pkg/transformers/shared/event_signature_generator.go
Rob Mulholand ceeaa0f8d3 Update licenses and imports
- Verify license added to each file
- Order imports by group and separate with line breaks
2018-09-11 16:30:29 -05:00

29 lines
1.0 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package shared
import "github.com/ethereum/go-ethereum/crypto"
func GetEventSignature(solidityMethodSignature string) string {
eventSignature := []byte(solidityMethodSignature)
hash := crypto.Keccak256Hash(eventSignature)
return hash.Hex()
}
func GetLogNoteSignature(solidityMethodSignature string) string {
rawSignature := GetEventSignature(solidityMethodSignature)
return rawSignature[:10] + "00000000000000000000000000000000000000000000000000000000"
}