btcd/btcutil/base58/genalphabet.go
Calvin Kim ba5407615d multi: Run gofmt on the entire repository
The doc formatting changes introduced in the recent go version is
increasing the diff for all of the new commits.  Formatting it all in
this commit will help the readability of future PRs by reducing the
diff.
2023-06-21 22:31:09 +09:00

80 lines
1.5 KiB
Go

// Copyright (c) 2015 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
//go:build ignore
// +build ignore
package main
import (
"bytes"
"io"
"log"
"os"
"strconv"
)
var (
start = []byte(`// Copyright (c) 2015 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
// AUTOGENERATED by genalphabet.go; do not edit.
package base58
const (
// alphabet is the modified base58 alphabet used by Bitcoin.
alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
alphabetIdx0 = '1'
)
var b58 = [256]byte{`)
end = []byte(`}`)
alphabet = []byte("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz")
tab = []byte("\t")
invalid = []byte("255")
comma = []byte(",")
space = []byte(" ")
nl = []byte("\n")
)
func write(w io.Writer, b []byte) {
_, err := w.Write(b)
if err != nil {
log.Fatal(err)
}
}
func main() {
fi, err := os.Create("alphabet.go")
if err != nil {
log.Fatal(err)
}
defer fi.Close()
write(fi, start)
write(fi, nl)
for i := byte(0); i < 32; i++ {
write(fi, tab)
for j := byte(0); j < 8; j++ {
idx := bytes.IndexByte(alphabet, i*8+j)
if idx == -1 {
write(fi, invalid)
} else {
write(fi, strconv.AppendInt(nil, int64(idx), 10))
}
write(fi, comma)
if j != 7 {
write(fi, space)
}
}
write(fi, nl)
}
write(fi, end)
write(fi, nl)
}