722 lines
22 KiB
Go
722 lines
22 KiB
Go
// Copyright (c) 2015-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package blockchain
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import (
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"bytes"
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"errors"
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"math/big"
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"reflect"
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"testing"
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"github.com/lbryio/lbcd/database"
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"github.com/lbryio/lbcd/wire"
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)
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// TestErrNotInMainChain ensures the functions related to errNotInMainChain work
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// as expected.
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func TestErrNotInMainChain(t *testing.T) {
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errStr := "no block at height 1 exists"
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err := error(errNotInMainChain(errStr))
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// Ensure the stringized output for the error is as expected.
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if err.Error() != errStr {
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t.Fatalf("errNotInMainChain retuned unexpected error string - "+
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"got %q, want %q", err.Error(), errStr)
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}
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// Ensure error is detected as the correct type.
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if !isNotInMainChainErr(err) {
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t.Fatalf("isNotInMainChainErr did not detect as expected type")
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}
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err = errors.New("something else")
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if isNotInMainChainErr(err) {
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t.Fatalf("isNotInMainChainErr detected incorrect type")
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}
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}
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// TestStxoSerialization ensures serializing and deserializing spent transaction
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// output entries works as expected.
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func TestStxoSerialization(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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stxo SpentTxOut
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serialized []byte
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}{
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// From block 170 in main blockchain.
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{
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name: "Spends last output of coinbase",
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stxo: SpentTxOut{
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Amount: 5000000000,
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PkScript: hexToBytes("410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac"),
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IsCoinBase: true,
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Height: 9,
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},
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serialized: hexToBytes("1300320511db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5c"),
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},
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// Adapted from block 100025 in main blockchain.
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{
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name: "Spends last output of non coinbase",
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stxo: SpentTxOut{
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Amount: 13761000000,
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PkScript: hexToBytes("76a914b2fb57eadf61e106a100a7445a8c3f67898841ec88ac"),
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IsCoinBase: false,
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Height: 100024,
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},
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serialized: hexToBytes("8b99700086c64700b2fb57eadf61e106a100a7445a8c3f67898841ec"),
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},
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// Adapted from block 100025 in main blockchain.
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{
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name: "Does not spend last output, legacy format",
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stxo: SpentTxOut{
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Amount: 34405000000,
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PkScript: hexToBytes("76a9146edbc6c4d31bae9f1ccc38538a114bf42de65e8688ac"),
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},
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serialized: hexToBytes("0091f20f006edbc6c4d31bae9f1ccc38538a114bf42de65e86"),
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},
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}
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for _, test := range tests {
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// Ensure the function to calculate the serialized size without
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// actually serializing it is calculated properly.
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gotSize := spentTxOutSerializeSize(&test.stxo)
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if gotSize != len(test.serialized) {
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t.Errorf("SpentTxOutSerializeSize (%s): did not get "+
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"expected size - got %d, want %d", test.name,
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gotSize, len(test.serialized))
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continue
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}
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// Ensure the stxo serializes to the expected value.
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gotSerialized := make([]byte, gotSize)
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gotBytesWritten := putSpentTxOut(gotSerialized, &test.stxo)
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if !bytes.Equal(gotSerialized, test.serialized) {
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t.Errorf("putSpentTxOut (%s): did not get expected "+
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"bytes - got %x, want %x", test.name,
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gotSerialized, test.serialized)
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continue
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}
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if gotBytesWritten != len(test.serialized) {
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t.Errorf("putSpentTxOut (%s): did not get expected "+
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"number of bytes written - got %d, want %d",
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test.name, gotBytesWritten,
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len(test.serialized))
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continue
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}
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// Ensure the serialized bytes are decoded back to the expected
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// stxo.
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var gotStxo SpentTxOut
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gotBytesRead, err := decodeSpentTxOut(test.serialized, &gotStxo)
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if err != nil {
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t.Errorf("decodeSpentTxOut (%s): unexpected error: %v",
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test.name, err)
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continue
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}
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if !reflect.DeepEqual(gotStxo, test.stxo) {
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t.Errorf("decodeSpentTxOut (%s) mismatched entries - "+
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"got %v, want %v", test.name, gotStxo, test.stxo)
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continue
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}
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if gotBytesRead != len(test.serialized) {
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t.Errorf("decodeSpentTxOut (%s): did not get expected "+
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"number of bytes read - got %d, want %d",
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test.name, gotBytesRead, len(test.serialized))
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continue
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}
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}
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}
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// TestStxoDecodeErrors performs negative tests against decoding spent
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// transaction outputs to ensure error paths work as expected.
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func TestStxoDecodeErrors(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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stxo SpentTxOut
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serialized []byte
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bytesRead int // Expected number of bytes read.
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errType error
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}{
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{
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name: "nothing serialized",
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stxo: SpentTxOut{},
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serialized: hexToBytes(""),
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errType: errDeserialize(""),
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bytesRead: 0,
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},
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{
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name: "no data after header code w/o reserved",
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stxo: SpentTxOut{},
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serialized: hexToBytes("00"),
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errType: errDeserialize(""),
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bytesRead: 1,
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},
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{
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name: "no data after header code with reserved",
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stxo: SpentTxOut{},
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serialized: hexToBytes("13"),
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errType: errDeserialize(""),
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bytesRead: 1,
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},
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{
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name: "no data after reserved",
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stxo: SpentTxOut{},
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serialized: hexToBytes("1300"),
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errType: errDeserialize(""),
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bytesRead: 2,
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},
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{
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name: "incomplete compressed txout",
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stxo: SpentTxOut{},
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serialized: hexToBytes("1332"),
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errType: errDeserialize(""),
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bytesRead: 2,
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},
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}
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for _, test := range tests {
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// Ensure the expected error type is returned.
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gotBytesRead, err := decodeSpentTxOut(test.serialized,
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&test.stxo)
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if reflect.TypeOf(err) != reflect.TypeOf(test.errType) {
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t.Errorf("decodeSpentTxOut (%s): expected error type "+
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"does not match - got %T, want %T", test.name,
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err, test.errType)
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continue
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}
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// Ensure the expected number of bytes read is returned.
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if gotBytesRead != test.bytesRead {
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t.Errorf("decodeSpentTxOut (%s): unexpected number of "+
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"bytes read - got %d, want %d", test.name,
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gotBytesRead, test.bytesRead)
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continue
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}
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}
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}
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// TestSpendJournalSerialization ensures serializing and deserializing spend
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// journal entries works as expected.
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func TestSpendJournalSerialization(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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entry []SpentTxOut
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blockTxns []*wire.MsgTx
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serialized []byte
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}{
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// From block 2 in main blockchain.
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{
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name: "No spends",
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entry: nil,
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blockTxns: nil,
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serialized: nil,
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},
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// From block 170 in main blockchain.
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{
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name: "One tx with one input spends last output of coinbase",
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entry: []SpentTxOut{{
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Amount: 5000000000,
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PkScript: hexToBytes("410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac"),
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IsCoinBase: true,
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Height: 9,
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}},
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blockTxns: []*wire.MsgTx{{ // Coinbase omitted.
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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Hash: *newHashFromStr("0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9"),
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Index: 0,
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},
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SignatureScript: hexToBytes("47304402204e45e16932b8af514961a1d3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181522ec8eca07de4860a4acdd12909d831cc56cbbac4622082221a8768d1d0901"),
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Sequence: 0xffffffff,
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}},
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TxOut: []*wire.TxOut{{
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Value: 1000000000,
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PkScript: hexToBytes("4104ae1a62fe09c5f51b13905f07f06b99a2f7159b2225f374cd378d71302fa28414e7aab37397f554a7df5f142c21c1b7303b8a0626f1baded5c72a704f7e6cd84cac"),
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}, {
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Value: 4000000000,
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PkScript: hexToBytes("410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac"),
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}},
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LockTime: 0,
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}},
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serialized: hexToBytes("1300320511db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5c"),
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},
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// Adapted from block 100025 in main blockchain.
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{
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name: "Two txns when one spends last output, one doesn't",
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entry: []SpentTxOut{{
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Amount: 34405000000,
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PkScript: hexToBytes("76a9146edbc6c4d31bae9f1ccc38538a114bf42de65e8688ac"),
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IsCoinBase: false,
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Height: 100024,
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}, {
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Amount: 13761000000,
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PkScript: hexToBytes("76a914b2fb57eadf61e106a100a7445a8c3f67898841ec88ac"),
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IsCoinBase: false,
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Height: 100024,
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}},
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blockTxns: []*wire.MsgTx{{ // Coinbase omitted.
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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Hash: *newHashFromStr("c0ed017828e59ad5ed3cf70ee7c6fb0f426433047462477dc7a5d470f987a537"),
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Index: 1,
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},
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SignatureScript: hexToBytes("493046022100c167eead9840da4a033c9a56470d7794a9bb1605b377ebe5688499b39f94be59022100fb6345cab4324f9ea0b9ee9169337534834638d818129778370f7d378ee4a325014104d962cac5390f12ddb7539507065d0def320d68c040f2e73337c3a1aaaab7195cb5c4d02e0959624d534f3c10c3cf3d73ca5065ebd62ae986b04c6d090d32627c"),
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Sequence: 0xffffffff,
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}},
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TxOut: []*wire.TxOut{{
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Value: 5000000,
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PkScript: hexToBytes("76a914f419b8db4ba65f3b6fcc233acb762ca6f51c23d488ac"),
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}, {
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Value: 34400000000,
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PkScript: hexToBytes("76a914cadf4fc336ab3c6a4610b75f31ba0676b7f663d288ac"),
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}},
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LockTime: 0,
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}, {
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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Hash: *newHashFromStr("92fbe1d4be82f765dfabc9559d4620864b05cc897c4db0e29adac92d294e52b7"),
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Index: 0,
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},
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SignatureScript: hexToBytes("483045022100e256743154c097465cf13e89955e1c9ff2e55c46051b627751dee0144183157e02201d8d4f02cde8496aae66768f94d35ce54465bd4ae8836004992d3216a93a13f00141049d23ce8686fe9b802a7a938e8952174d35dd2c2089d4112001ed8089023ab4f93a3c9fcd5bfeaa9727858bf640dc1b1c05ec3b434bb59837f8640e8810e87742"),
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Sequence: 0xffffffff,
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}},
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TxOut: []*wire.TxOut{{
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Value: 5000000,
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PkScript: hexToBytes("76a914a983ad7c92c38fc0e2025212e9f972204c6e687088ac"),
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}, {
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Value: 13756000000,
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PkScript: hexToBytes("76a914a6ebd69952ab486a7a300bfffdcb395dc7d47c2388ac"),
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}},
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LockTime: 0,
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}},
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serialized: hexToBytes("8b99700086c64700b2fb57eadf61e106a100a7445a8c3f67898841ec8b99700091f20f006edbc6c4d31bae9f1ccc38538a114bf42de65e86"),
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},
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}
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for i, test := range tests {
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// Ensure the journal entry serializes to the expected value.
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gotBytes := serializeSpendJournalEntry(test.entry)
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if !bytes.Equal(gotBytes, test.serialized) {
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t.Errorf("serializeSpendJournalEntry #%d (%s): "+
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"mismatched bytes - got %x, want %x", i,
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test.name, gotBytes, test.serialized)
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continue
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}
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// Deserialize to a spend journal entry.
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gotEntry, err := deserializeSpendJournalEntry(test.serialized,
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test.blockTxns)
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if err != nil {
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t.Errorf("deserializeSpendJournalEntry #%d (%s) "+
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"unexpected error: %v", i, test.name, err)
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continue
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}
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// Ensure that the deserialized spend journal entry has the
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// correct properties.
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if !reflect.DeepEqual(gotEntry, test.entry) {
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t.Errorf("deserializeSpendJournalEntry #%d (%s) "+
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"mismatched entries - got %v, want %v",
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i, test.name, gotEntry, test.entry)
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continue
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}
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}
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}
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// TestSpendJournalErrors performs negative tests against deserializing spend
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// journal entries to ensure error paths work as expected.
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func TestSpendJournalErrors(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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blockTxns []*wire.MsgTx
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serialized []byte
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errType error
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}{
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// Adapted from block 170 in main blockchain.
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{
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name: "Force assertion due to missing stxos",
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blockTxns: []*wire.MsgTx{{ // Coinbase omitted.
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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Hash: *newHashFromStr("0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9"),
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Index: 0,
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},
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SignatureScript: hexToBytes("47304402204e45e16932b8af514961a1d3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181522ec8eca07de4860a4acdd12909d831cc56cbbac4622082221a8768d1d0901"),
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Sequence: 0xffffffff,
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}},
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LockTime: 0,
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}},
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serialized: hexToBytes(""),
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errType: AssertError(""),
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},
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{
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name: "Force deserialization error in stxos",
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blockTxns: []*wire.MsgTx{{ // Coinbase omitted.
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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Hash: *newHashFromStr("0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9"),
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Index: 0,
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},
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SignatureScript: hexToBytes("47304402204e45e16932b8af514961a1d3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181522ec8eca07de4860a4acdd12909d831cc56cbbac4622082221a8768d1d0901"),
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Sequence: 0xffffffff,
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}},
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LockTime: 0,
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}},
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serialized: hexToBytes("1301320511db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a"),
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errType: errDeserialize(""),
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},
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}
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for _, test := range tests {
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// Ensure the expected error type is returned and the returned
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// slice is nil.
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stxos, err := deserializeSpendJournalEntry(test.serialized,
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test.blockTxns)
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if reflect.TypeOf(err) != reflect.TypeOf(test.errType) {
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t.Errorf("deserializeSpendJournalEntry (%s): expected "+
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"error type does not match - got %T, want %T",
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test.name, err, test.errType)
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continue
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}
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if stxos != nil {
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t.Errorf("deserializeSpendJournalEntry (%s): returned "+
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"slice of spent transaction outputs is not nil",
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test.name)
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continue
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}
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}
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}
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// TestUtxoSerialization ensures serializing and deserializing unspent
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// trasaction output entries works as expected.
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func TestUtxoSerialization(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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entry *UtxoEntry
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serialized []byte
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}{
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// From tx in main blockchain:
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// 0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098:0
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{
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name: "height 1, coinbase",
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entry: &UtxoEntry{
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amount: 5000000000,
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pkScript: hexToBytes("410496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52da7589379515d4e0a604f8141781e62294721166bf621e73a82cbf2342c858eeac"),
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blockHeight: 1,
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packedFlags: tfCoinBase,
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},
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serialized: hexToBytes("03320496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52"),
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},
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// From tx in main blockchain:
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// 0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098:0
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{
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name: "height 1, coinbase, spent",
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entry: &UtxoEntry{
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amount: 5000000000,
|
|
pkScript: hexToBytes("410496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52da7589379515d4e0a604f8141781e62294721166bf621e73a82cbf2342c858eeac"),
|
|
blockHeight: 1,
|
|
packedFlags: tfCoinBase | tfSpent,
|
|
},
|
|
serialized: nil,
|
|
},
|
|
// From tx in main blockchain:
|
|
// 8131ffb0a2c945ecaf9b9063e59558784f9c3a74741ce6ae2a18d0571dac15bb:1
|
|
{
|
|
name: "height 100001, not coinbase",
|
|
entry: &UtxoEntry{
|
|
amount: 1000000,
|
|
pkScript: hexToBytes("76a914ee8bd501094a7d5ca318da2506de35e1cb025ddc88ac"),
|
|
blockHeight: 100001,
|
|
packedFlags: 0,
|
|
},
|
|
serialized: hexToBytes("8b99420700ee8bd501094a7d5ca318da2506de35e1cb025ddc"),
|
|
},
|
|
// From tx in main blockchain:
|
|
// 8131ffb0a2c945ecaf9b9063e59558784f9c3a74741ce6ae2a18d0571dac15bb:1
|
|
{
|
|
name: "height 100001, not coinbase, spent",
|
|
entry: &UtxoEntry{
|
|
amount: 1000000,
|
|
pkScript: hexToBytes("76a914ee8bd501094a7d5ca318da2506de35e1cb025ddc88ac"),
|
|
blockHeight: 100001,
|
|
packedFlags: tfSpent,
|
|
},
|
|
serialized: nil,
|
|
},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
// Ensure the utxo entry serializes to the expected value.
|
|
gotBytes, err := serializeUtxoEntry(test.entry)
|
|
if err != nil {
|
|
t.Errorf("serializeUtxoEntry #%d (%s) unexpected "+
|
|
"error: %v", i, test.name, err)
|
|
continue
|
|
}
|
|
if !bytes.Equal(gotBytes, test.serialized) {
|
|
t.Errorf("serializeUtxoEntry #%d (%s): mismatched "+
|
|
"bytes - got %x, want %x", i, test.name,
|
|
gotBytes, test.serialized)
|
|
continue
|
|
}
|
|
|
|
// Don't try to deserialize if the test entry was spent since it
|
|
// will have a nil serialization.
|
|
if test.entry.IsSpent() {
|
|
continue
|
|
}
|
|
|
|
// Deserialize to a utxo entry.
|
|
utxoEntry, err := deserializeUtxoEntry(test.serialized)
|
|
if err != nil {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) unexpected "+
|
|
"error: %v", i, test.name, err)
|
|
continue
|
|
}
|
|
|
|
// The deserialized entry must not be marked spent since unspent
|
|
// entries are not serialized.
|
|
if utxoEntry.IsSpent() {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) output should "+
|
|
"not be marked spent", i, test.name)
|
|
continue
|
|
}
|
|
|
|
// Ensure the deserialized entry has the same properties as the
|
|
// ones in the test entry.
|
|
if utxoEntry.Amount() != test.entry.Amount() {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) mismatched "+
|
|
"amounts: got %d, want %d", i, test.name,
|
|
utxoEntry.Amount(), test.entry.Amount())
|
|
continue
|
|
}
|
|
|
|
if !bytes.Equal(utxoEntry.PkScript(), test.entry.PkScript()) {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) mismatched "+
|
|
"scripts: got %x, want %x", i, test.name,
|
|
utxoEntry.PkScript(), test.entry.PkScript())
|
|
continue
|
|
}
|
|
if utxoEntry.BlockHeight() != test.entry.BlockHeight() {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) mismatched "+
|
|
"block height: got %d, want %d", i, test.name,
|
|
utxoEntry.BlockHeight(), test.entry.BlockHeight())
|
|
continue
|
|
}
|
|
if utxoEntry.IsCoinBase() != test.entry.IsCoinBase() {
|
|
t.Errorf("deserializeUtxoEntry #%d (%s) mismatched "+
|
|
"coinbase flag: got %v, want %v", i, test.name,
|
|
utxoEntry.IsCoinBase(), test.entry.IsCoinBase())
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestUtxoEntryHeaderCodeErrors performs negative tests against unspent
|
|
// transaction output header codes to ensure error paths work as expected.
|
|
func TestUtxoEntryHeaderCodeErrors(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
entry *UtxoEntry
|
|
code uint64
|
|
errType error
|
|
}{
|
|
{
|
|
name: "Force assertion due to spent output",
|
|
entry: &UtxoEntry{packedFlags: tfSpent},
|
|
errType: AssertError(""),
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
// Ensure the expected error type is returned and the code is 0.
|
|
code, err := utxoEntryHeaderCode(test.entry)
|
|
if reflect.TypeOf(err) != reflect.TypeOf(test.errType) {
|
|
t.Errorf("utxoEntryHeaderCode (%s): expected error "+
|
|
"type does not match - got %T, want %T",
|
|
test.name, err, test.errType)
|
|
continue
|
|
}
|
|
if code != 0 {
|
|
t.Errorf("utxoEntryHeaderCode (%s): unexpected code "+
|
|
"on error - got %d, want 0", test.name, code)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestUtxoEntryDeserializeErrors performs negative tests against deserializing
|
|
// unspent transaction outputs to ensure error paths work as expected.
|
|
func TestUtxoEntryDeserializeErrors(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
serialized []byte
|
|
errType error
|
|
}{
|
|
{
|
|
name: "no data after header code",
|
|
serialized: hexToBytes("02"),
|
|
errType: errDeserialize(""),
|
|
},
|
|
{
|
|
name: "incomplete compressed txout",
|
|
serialized: hexToBytes("0232"),
|
|
errType: errDeserialize(""),
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
// Ensure the expected error type is returned and the returned
|
|
// entry is nil.
|
|
entry, err := deserializeUtxoEntry(test.serialized)
|
|
if reflect.TypeOf(err) != reflect.TypeOf(test.errType) {
|
|
t.Errorf("deserializeUtxoEntry (%s): expected error "+
|
|
"type does not match - got %T, want %T",
|
|
test.name, err, test.errType)
|
|
continue
|
|
}
|
|
if entry != nil {
|
|
t.Errorf("deserializeUtxoEntry (%s): returned entry "+
|
|
"is not nil", test.name)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestBestChainStateSerialization ensures serializing and deserializing the
|
|
// best chain state works as expected.
|
|
func TestBestChainStateSerialization(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
workSum := new(big.Int)
|
|
tests := []struct {
|
|
name string
|
|
state bestChainState
|
|
serialized []byte
|
|
}{
|
|
{
|
|
name: "genesis",
|
|
state: bestChainState{
|
|
hash: *newHashFromStr("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"),
|
|
height: 0,
|
|
totalTxns: 1,
|
|
workSum: func() *big.Int {
|
|
workSum.Add(workSum, CalcWork(486604799))
|
|
return new(big.Int).Set(workSum)
|
|
}(), // 0x0100010001
|
|
},
|
|
serialized: hexToBytes("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000100000000000000050000000100010001"),
|
|
},
|
|
{
|
|
name: "block 1",
|
|
state: bestChainState{
|
|
hash: *newHashFromStr("00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048"),
|
|
height: 1,
|
|
totalTxns: 2,
|
|
workSum: func() *big.Int {
|
|
workSum.Add(workSum, CalcWork(486604799))
|
|
return new(big.Int).Set(workSum)
|
|
}(), // 0x0200020002
|
|
},
|
|
serialized: hexToBytes("4860eb18bf1b1620e37e9490fc8a427514416fd75159ab86688e9a8300000000010000000200000000000000050000000200020002"),
|
|
},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
// Ensure the state serializes to the expected value.
|
|
gotBytes := serializeBestChainState(test.state)
|
|
if !bytes.Equal(gotBytes, test.serialized) {
|
|
t.Errorf("serializeBestChainState #%d (%s): mismatched "+
|
|
"bytes - got %x, want %x", i, test.name,
|
|
gotBytes, test.serialized)
|
|
continue
|
|
}
|
|
|
|
// Ensure the serialized bytes are decoded back to the expected
|
|
// state.
|
|
state, err := deserializeBestChainState(test.serialized)
|
|
if err != nil {
|
|
t.Errorf("deserializeBestChainState #%d (%s) "+
|
|
"unexpected error: %v", i, test.name, err)
|
|
continue
|
|
}
|
|
if !reflect.DeepEqual(state, test.state) {
|
|
t.Errorf("deserializeBestChainState #%d (%s) "+
|
|
"mismatched state - got %v, want %v", i,
|
|
test.name, state, test.state)
|
|
continue
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestBestChainStateDeserializeErrors performs negative tests against
|
|
// deserializing the chain state to ensure error paths work as expected.
|
|
func TestBestChainStateDeserializeErrors(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
serialized []byte
|
|
errType error
|
|
}{
|
|
{
|
|
name: "nothing serialized",
|
|
serialized: hexToBytes(""),
|
|
errType: database.Error{ErrorCode: database.ErrCorruption},
|
|
},
|
|
{
|
|
name: "short data in hash",
|
|
serialized: hexToBytes("0000"),
|
|
errType: database.Error{ErrorCode: database.ErrCorruption},
|
|
},
|
|
{
|
|
name: "short data in work sum",
|
|
serialized: hexToBytes("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000001000000000000000500000001000100"),
|
|
errType: database.Error{ErrorCode: database.ErrCorruption},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
// Ensure the expected error type and code is returned.
|
|
_, err := deserializeBestChainState(test.serialized)
|
|
if reflect.TypeOf(err) != reflect.TypeOf(test.errType) {
|
|
t.Errorf("deserializeBestChainState (%s): expected "+
|
|
"error type does not match - got %T, want %T",
|
|
test.name, err, test.errType)
|
|
continue
|
|
}
|
|
if derr, ok := err.(database.Error); ok {
|
|
tderr := test.errType.(database.Error)
|
|
if derr.ErrorCode != tderr.ErrorCode {
|
|
t.Errorf("deserializeBestChainState (%s): "+
|
|
"wrong error code got: %v, want: %v",
|
|
test.name, derr.ErrorCode,
|
|
tderr.ErrorCode)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
}
|