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address.go
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address.go
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// Copyright 2020 Coinbase, Inc.
//
// 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 optimism
import (
"log"
"github.com/ethereum/go-ethereum/common"
)
// ChecksumAddress ensures an Ethereum hex address
// is in Checksum Format. If the address cannot be converted,
// it returns !ok.
func ChecksumAddress(address string) (string, bool) {
addr, err := common.NewMixedcaseAddressFromString(address)
if err != nil {
return "", false
}
return addr.Address().Hex(), true
}
// MustChecksum ensures an address can be converted
// into a valid checksum. If it does not, the program
// will exit.
func MustChecksum(address string) string {
addr, ok := ChecksumAddress(address)
if !ok {
log.Fatalf("invalid address %s", address)
}
return addr
}