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c65d9aa168
* [DEV-97] Moved github.com/daglabs/btcutil into github.com/daglabs/btcd/btcutil. * [DEV-97] Updated Gopkg.toml to no longer refer to btcutil. * [DEV-97] Renamed btcutil to util.
98 lines
2.6 KiB
Go
98 lines
2.6 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 util_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/daglabs/btcd/dagconfig/daghash"
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"github.com/daglabs/btcd/util"
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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 := util.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 := "8913f1fa776ba67b1bffc156788caa41d914f9d2c90a864421259e5977749669"
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wantHash, err := daghash.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 := util.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 = util.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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