// 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"
}