136 lines
3.9 KiB
Go
136 lines
3.9 KiB
Go
// Copyright (c) 2013-2016 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 lbcutil_test
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import (
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"bytes"
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"io"
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"reflect"
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"testing"
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"github.com/lbryio/lbcd/chaincfg/chainhash"
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"github.com/lbryio/lbcutil"
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"github.com/davecgh/go-spew/spew"
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)
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// TestTx tests the API for Tx.
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func TestTx(t *testing.T) {
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testTx := Block100000.Transactions[0]
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tx := lbcutil.NewTx(testTx)
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// Ensure we get the same data back out.
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if msgTx := tx.MsgTx(); !reflect.DeepEqual(msgTx, testTx) {
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t.Errorf("MsgTx: mismatched MsgTx - got %v, want %v",
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spew.Sdump(msgTx), spew.Sdump(testTx))
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}
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// Ensure transaction index set and get work properly.
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wantIndex := 0
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tx.SetIndex(0)
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if gotIndex := tx.Index(); gotIndex != wantIndex {
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t.Errorf("Index: mismatched index - got %v, want %v",
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gotIndex, wantIndex)
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}
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// Hash for block 100,000 transaction 0.
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wantHashStr := "8c14f0db3df150123e6f3dbbf30f8b955a8249b62ac1d1ff16284aefa3d06d87"
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wantHash, err := chainhash.NewHashFromStr(wantHashStr)
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if err != nil {
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t.Errorf("NewHashFromStr: %v", err)
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}
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// Request the hash multiple times to test generation and caching.
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for i := 0; i < 2; i++ {
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hash := tx.Hash()
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if !hash.IsEqual(wantHash) {
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t.Errorf("Hash #%d mismatched hash - got %v, want %v", i,
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hash, wantHash)
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}
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}
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}
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// TestNewTxFromBytes tests creation of a Tx from serialized bytes.
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func TestNewTxFromBytes(t *testing.T) {
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// Serialize the test transaction.
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testTx := Block100000.Transactions[0]
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var testTxBuf bytes.Buffer
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err := testTx.Serialize(&testTxBuf)
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if err != nil {
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t.Errorf("Serialize: %v", err)
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}
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testTxBytes := testTxBuf.Bytes()
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// Create a new transaction from the serialized bytes.
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tx, err := lbcutil.NewTxFromBytes(testTxBytes)
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if err != nil {
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t.Errorf("NewTxFromBytes: %v", err)
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return
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}
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// Ensure the generated MsgTx is correct.
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if msgTx := tx.MsgTx(); !reflect.DeepEqual(msgTx, testTx) {
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t.Errorf("MsgTx: mismatched MsgTx - got %v, want %v",
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spew.Sdump(msgTx), spew.Sdump(testTx))
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}
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}
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// TestTxErrors tests the error paths for the Tx API.
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func TestTxErrors(t *testing.T) {
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// Serialize the test transaction.
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testTx := Block100000.Transactions[0]
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var testTxBuf bytes.Buffer
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err := testTx.Serialize(&testTxBuf)
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if err != nil {
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t.Errorf("Serialize: %v", err)
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}
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testTxBytes := testTxBuf.Bytes()
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// Truncate the transaction byte buffer to force errors.
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shortBytes := testTxBytes[:4]
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_, err = lbcutil.NewTxFromBytes(shortBytes)
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if err != io.EOF {
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t.Errorf("NewTxFromBytes: did not get expected error - "+
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"got %v, want %v", err, io.EOF)
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}
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}
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// TestTxHasWitness tests the HasWitness() method.
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func TestTxHasWitness(t *testing.T) {
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msgTx := Block100000.Transactions[0] // contains witness data
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tx := lbcutil.NewTx(msgTx)
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tx.WitnessHash() // Populate the witness hash cache
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tx.HasWitness() // Should not fail (see btcsuite/btcd#1543)
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if !tx.HasWitness() {
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t.Errorf("HasWitness: got false, want true")
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}
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for _, msgTxWithoutWitness := range Block100000.Transactions[1:] {
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txWithoutWitness := lbcutil.NewTx(msgTxWithoutWitness)
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if txWithoutWitness.HasWitness() {
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t.Errorf("HasWitness: got false, want true")
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}
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}
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}
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// TestTxWitnessHash tests the WitnessHash() method.
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func TestTxWitnessHash(t *testing.T) {
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msgTx := Block100000.Transactions[0] // contains witness data
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tx := lbcutil.NewTx(msgTx)
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if tx.WitnessHash().IsEqual(tx.Hash()) {
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t.Errorf("WitnessHash: witness hash and tx id must NOT be same - "+
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"got %v, want %v", tx.WitnessHash(), tx.Hash())
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}
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for _, msgTxWithoutWitness := range Block100000.Transactions[1:] {
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txWithoutWitness := lbcutil.NewTx(msgTxWithoutWitness)
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if !txWithoutWitness.WitnessHash().IsEqual(txWithoutWitness.Hash()) {
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t.Errorf("WitnessHash: witness hash and tx id must be same - "+
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"got %v, want %v", txWithoutWitness.WitnessHash(), txWithoutWitness.Hash())
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}
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}
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}
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