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cli: use fmt.Append* where possibble

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Close #2629.

Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
This commit is contained in:
Anna Shaleva 2023-10-12 18:07:54 +03:00
parent 3aa858a69f
commit e06051e14c
3 changed files with 66 additions and 57 deletions
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55
cli/vm/cli.go
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@ -1436,58 +1436,57 @@ func Parse(args []string) (string, error) {
return "", ErrMissingParameter
}
arg := args[0]
buf := bytes.NewBuffer(nil)
var buf []byte
if val, err := strconv.ParseInt(arg, 10, 64); err == nil {
bs := bigint.ToBytes(big.NewInt(val))
buf.WriteString(fmt.Sprintf("Integer to Hex\t%s\n", hex.EncodeToString(bs)))
buf.WriteString(fmt.Sprintf("Integer to Base64\t%s\n", base64.StdEncoding.EncodeToString(bs)))
buf = fmt.Appendf(buf, "Integer to Hex\t%s\n", hex.EncodeToString(bs))
buf = fmt.Appendf(buf, "Integer to Base64\t%s\n", base64.StdEncoding.EncodeToString(bs))
}
noX := strings.TrimPrefix(arg, "0x")
if rawStr, err := hex.DecodeString(noX); err == nil {
if val, err := util.Uint160DecodeBytesBE(rawStr); err == nil {
buf.WriteString(fmt.Sprintf("BE ScriptHash to Address\t%s\n", address.Uint160ToString(val)))
buf.WriteString(fmt.Sprintf("LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse())))
buf = fmt.Appendf(buf, "BE ScriptHash to Address\t%s\n", address.Uint160ToString(val))
buf = fmt.Appendf(buf, "LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse()))
}
if pub, err := keys.NewPublicKeyFromBytes(rawStr, elliptic.P256()); err == nil {
sh := pub.GetScriptHash()
buf.WriteString(fmt.Sprintf("Public key to BE ScriptHash\t%s\n", sh))
buf.WriteString(fmt.Sprintf("Public key to LE ScriptHash\t%s\n", sh.Reverse()))
buf.WriteString(fmt.Sprintf("Public key to Address\t%s\n", address.Uint160ToString(sh)))
buf = fmt.Appendf(buf, "Public key to BE ScriptHash\t%s\n", sh)
buf = fmt.Appendf(buf, "Public key to LE ScriptHash\t%s\n", sh.Reverse())
buf = fmt.Appendf(buf, "Public key to Address\t%s\n", address.Uint160ToString(sh))
}
buf.WriteString(fmt.Sprintf("Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr))))
buf.WriteString(fmt.Sprintf("Hex to Integer\t%s\n", bigint.FromBytes(rawStr)))
buf.WriteString(fmt.Sprintf("Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr))))
buf = fmt.Appendf(buf, "Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr)))
buf = fmt.Appendf(buf, "Hex to Integer\t%s\n", bigint.FromBytes(rawStr))
buf = fmt.Appendf(buf, "Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr)))
}
if addr, err := address.StringToUint160(arg); err == nil {
buf.WriteString(fmt.Sprintf("Address to BE ScriptHash\t%s\n", addr))
buf.WriteString(fmt.Sprintf("Address to LE ScriptHash\t%s\n", addr.Reverse()))
buf.WriteString(fmt.Sprintf("Address to Base64 (BE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesBE())))
buf.WriteString(fmt.Sprintf("Address to Base64 (LE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesLE())))
buf = fmt.Appendf(buf, "Address to BE ScriptHash\t%s\n", addr)
buf = fmt.Appendf(buf, "Address to LE ScriptHash\t%s\n", addr.Reverse())
buf = fmt.Appendf(buf, "Address to Base64 (BE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesBE()))
buf = fmt.Appendf(buf, "Address to Base64 (LE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesLE()))
}
if rawStr, err := base64.StdEncoding.DecodeString(arg); err == nil {
buf.WriteString(fmt.Sprintf("Base64 to String\t%s\n", fmt.Sprintf("%q", string(rawStr))))
buf.WriteString(fmt.Sprintf("Base64 to BigInteger\t%s\n", bigint.FromBytes(rawStr)))
buf = fmt.Appendf(buf, "Base64 to String\t%s\n", fmt.Sprintf("%q", string(rawStr)))
buf = fmt.Appendf(buf, "Base64 to BigInteger\t%s\n", bigint.FromBytes(rawStr))
if u, err := util.Uint160DecodeBytesBE(rawStr); err == nil {
buf.WriteString(fmt.Sprintf("Base64 to BE ScriptHash\t%s\n", u.StringBE()))
buf.WriteString(fmt.Sprintf("Base64 to LE ScriptHash\t%s\n", u.StringLE()))
buf.WriteString(fmt.Sprintf("Base64 to Address (BE)\t%s\n", address.Uint160ToString(u)))
buf.WriteString(fmt.Sprintf("Base64 to Address (LE)\t%s\n", address.Uint160ToString(u.Reverse())))
buf = fmt.Appendf(buf, "Base64 to BE ScriptHash\t%s\n", u.StringBE())
buf = fmt.Appendf(buf, "Base64 to LE ScriptHash\t%s\n", u.StringLE())
buf = fmt.Appendf(buf, "Base64 to Address (BE)\t%s\n", address.Uint160ToString(u))
buf = fmt.Appendf(buf, "Base64 to Address (LE)\t%s\n", address.Uint160ToString(u.Reverse()))
}
}
buf.WriteString(fmt.Sprintf("String to Hex\t%s\n", hex.EncodeToString([]byte(arg))))
buf.WriteString(fmt.Sprintf("String to Base64\t%s\n", base64.StdEncoding.EncodeToString([]byte(arg))))
buf = fmt.Appendf(buf, "String to Hex\t%s\n", hex.EncodeToString([]byte(arg)))
buf = fmt.Appendf(buf, "String to Base64\t%s\n", base64.StdEncoding.EncodeToString([]byte(arg)))
out := buf.Bytes()
buf = bytes.NewBuffer(nil)
w := tabwriter.NewWriter(buf, 0, 4, 4, '\t', 0)
if _, err := w.Write(out); err != nil {
res := bytes.NewBuffer(nil)
w := tabwriter.NewWriter(res, 0, 4, 4, '\t', 0)
if _, err := w.Write(buf); err != nil {
return "", err
}
if err := w.Flush(); err != nil {
return "", err
}
return buf.String(), nil
return res.String(), nil
}
const logo = `