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util.go
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/
util.go
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/*
* Copyright (c) 2023, © Circle Internet Financial, LTD.
*
* 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 cli
import (
"errors"
"github.com/cosmos/btcutil/base58"
"github.com/ethereum/go-ethereum/common"
)
// parseAddress parses an encoded address into a 32 length byte array.
// Currently supported encodings: base58, hex.
func parseAddress(address string) ([]byte, error) {
if address[:2] == "0x" {
bz := common.FromHex(address)
return leftPadBytes(bz)
}
bz := base58.Decode(address)
return leftPadBytes(bz)
}
// leftPadBytes left pads a byte array to be length 32.
func leftPadBytes(bz []byte) ([]byte, error) {
res := make([]byte, 32)
if len(bz) > 32 {
return nil, errors.New("decoded bytes too big")
}
copy(res[32-len(bz):], bz)
return res, nil
}