// Copyright (c) 2013 - 2020 The btcsuite developers // Use of this source code is governed by an ISC // license that can be found in the LICENSE file. package lbcutil_test import ( "bytes" "encoding/hex" "testing" "github.com/lbryio/lbcd/btcec" "github.com/lbryio/lbcd/chaincfg" . "github.com/lbryio/lbcutil" ) func TestEncodeDecodeWIF(t *testing.T) { validEncodeCases := []struct { privateKey []byte // input net *chaincfg.Params // input compress bool // input wif string // output publicKey []byte // output name string // name of subtest }{ { privateKey: []byte{ 0x0c, 0x28, 0xfc, 0xa3, 0x86, 0xc7, 0xa2, 0x27, 0x60, 0x0b, 0x2f, 0xe5, 0x0b, 0x7c, 0xae, 0x11, 0xec, 0x86, 0xd3, 0xbf, 0x1f, 0xbe, 0x47, 0x1b, 0xe8, 0x98, 0x27, 0xe1, 0x9d, 0x72, 0xaa, 0x1d}, net: &chaincfg.MainNetParams, compress: false, wif: "5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ", publicKey: []byte{ 0x04, 0xd0, 0xde, 0x0a, 0xae, 0xae, 0xfa, 0xd0, 0x2b, 0x8b, 0xdc, 0x8a, 0x01, 0xa1, 0xb8, 0xb1, 0x1c, 0x69, 0x6b, 0xd3, 0xd6, 0x6a, 0x2c, 0x5f, 0x10, 0x78, 0x0d, 0x95, 0xb7, 0xdf, 0x42, 0x64, 0x5c, 0xd8, 0x52, 0x28, 0xa6, 0xfb, 0x29, 0x94, 0x0e, 0x85, 0x8e, 0x7e, 0x55, 0x84, 0x2a, 0xe2, 0xbd, 0x11, 0x5d, 0x1e, 0xd7, 0xcc, 0x0e, 0x82, 0xd9, 0x34, 0xe9, 0x29, 0xc9, 0x76, 0x48, 0xcb, 0x0a}, name: "encodeValidUncompressedMainNetWif", }, { privateKey: []byte{ 0xdd, 0xa3, 0x5a, 0x14, 0x88, 0xfb, 0x97, 0xb6, 0xeb, 0x3f, 0xe6, 0xe9, 0xef, 0x2a, 0x25, 0x81, 0x4e, 0x39, 0x6f, 0xb5, 0xdc, 0x29, 0x5f, 0xe9, 0x94, 0xb9, 0x67, 0x89, 0xb2, 0x1a, 0x03, 0x98}, net: &chaincfg.TestNet3Params, compress: true, wif: "cV1Y7ARUr9Yx7BR55nTdnR7ZXNJphZtCCMBTEZBJe1hXt2kB684q", publicKey: []byte{ 0x02, 0xee, 0xc2, 0x54, 0x06, 0x61, 0xb0, 0xc3, 0x9d, 0x27, 0x15, 0x70, 0x74, 0x24, 0x13, 0xbd, 0x02, 0x93, 0x2d, 0xd0, 0x09, 0x34, 0x93, 0xfd, 0x0b, 0xec, 0xed, 0x0b, 0x7f, 0x93, 0xad, 0xde, 0xc4}, name: "encodeValidCompressedTestNet3Wif", }, } for _, validCase := range validEncodeCases { validCase := validCase t.Run(validCase.name, func(t *testing.T) { priv, _ := btcec.PrivKeyFromBytes(btcec.S256(), validCase.privateKey) wif, err := NewWIF(priv, validCase.net, validCase.compress) if err != nil { t.Fatalf("NewWIF failed: expected no error, got '%v'", err) } if !wif.IsForNet(validCase.net) { t.Fatal("IsForNet failed: got 'false', want 'true'") } if gotPubKey := wif.SerializePubKey(); !bytes.Equal(gotPubKey, validCase.publicKey) { t.Fatalf("SerializePubKey failed: got '%s', want '%s'", hex.EncodeToString(gotPubKey), hex.EncodeToString(validCase.publicKey)) } // Test that encoding the WIF structure matches the expected string. got := wif.String() if got != validCase.wif { t.Fatalf("NewWIF failed: want '%s', got '%s'", validCase.wif, got) } // Test that decoding the expected string results in the original WIF // structure. decodedWif, err := DecodeWIF(got) if err != nil { t.Fatalf("DecodeWIF failed: expected no error, got '%v'", err) } if decodedWifString := decodedWif.String(); decodedWifString != validCase.wif { t.Fatalf("NewWIF failed: want '%v', got '%v'", validCase.wif, decodedWifString) } }) } invalidDecodeCases := []struct { name string wif string err error }{ { name: "decodeInvalidLengthWif", wif: "deadbeef", err: ErrMalformedPrivateKey, }, { name: "decodeInvalidCompressMagicWif", wif: "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sfZr2ym", err: ErrMalformedPrivateKey, }, { name: "decodeInvalidChecksumWif", wif: "5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTj", err: ErrChecksumMismatch, }, } for _, invalidCase := range invalidDecodeCases { invalidCase := invalidCase t.Run(invalidCase.name, func(t *testing.T) { decodedWif, err := DecodeWIF(invalidCase.wif) if decodedWif != nil { t.Fatalf("DecodeWIF: unexpectedly succeeded - got '%v', want '%v'", decodedWif, nil) } if err != invalidCase.err { t.Fatalf("DecodeWIF: expected error '%v', got '%v'", invalidCase.err, err) } }) } t.Run("encodeInvalidNetworkWif", func(t *testing.T) { privateKey := []byte{ 0x0c, 0x28, 0xfc, 0xa3, 0x86, 0xc7, 0xa2, 0x27, 0x60, 0x0b, 0x2f, 0xe5, 0x0b, 0x7c, 0xae, 0x11, 0xec, 0x86, 0xd3, 0xbf, 0x1f, 0xbe, 0x47, 0x1b, 0xe8, 0x98, 0x27, 0xe1, 0x9d, 0x72, 0xaa, 0x1d} priv, _ := btcec.PrivKeyFromBytes(btcec.S256(), privateKey) wif, err := NewWIF(priv, nil, true) if wif != nil { t.Fatalf("NewWIF: unexpectedly succeeded - got '%v', want '%v'", wif, nil) } if err == nil || err.Error() != "no network" { t.Fatalf("NewWIF: expected error 'no network', got '%v'", err) } }) }