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https://github.com/lightningnetwork/lnd.git
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004a68e524
Add a new OutPoint type that wraps wire.OutPoint and provides TLV encoding/decoding capabilities through the tlv.RecordProducer interface. This enables OutPoint to be used in TLV streams of messages.
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package lnwire
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import (
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"bytes"
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"testing"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightningnetwork/lnd/tlv"
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"github.com/stretchr/testify/require"
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"pgregory.net/rapid"
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)
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// TestOutPointTLVEncoding tests the TLV encoding and decoding of OutPoint
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// structs using the Record interface.
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func TestOutPointTLVEncoding(t *testing.T) {
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t.Parallel()
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testOutPoint := OutPoint(wire.OutPoint{
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Hash: chainhash.Hash{
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
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0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
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},
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Index: 12345,
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})
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var extraData ExtraOpaqueData
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require.NoError(t, extraData.PackRecords(&testOutPoint))
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var decodedOutPoint OutPoint
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tlvs, err := extraData.ExtractRecords(&decodedOutPoint)
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require.NoError(t, err)
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require.Contains(t, tlvs, tlv.Type(0))
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require.Equal(t, testOutPoint, decodedOutPoint)
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}
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// TestOutPointRecord tests the TLV Record interface of OutPoint
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// by directly encoding and decoding using the Record method.
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func TestOutPointRecord(t *testing.T) {
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t.Parallel()
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testOutPoint := OutPoint(wire.OutPoint{
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Hash: chainhash.Hash{
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0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
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0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
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0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8,
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0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0,
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},
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Index: 65535,
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})
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var buf bytes.Buffer
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record := testOutPoint.Record()
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require.NoError(t, record.Encode(&buf))
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var decodedOutPoint OutPoint
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decodedRecord := decodedOutPoint.Record()
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require.NoError(t, decodedRecord.Decode(&buf, uint64(buf.Len())))
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require.Equal(t, testOutPoint, decodedOutPoint)
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}
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// TestOutPointProperty uses property-based testing to verify that OutPoint
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// TLV encoding and decoding is correct for random OutPoint values.
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func TestOutPointProperty(t *testing.T) {
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t.Parallel()
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scenario := func(t *rapid.T) {
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wireOutPoint := RandOutPoint(t)
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lnOutPoint := OutPoint(wireOutPoint)
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var buf bytes.Buffer
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record := lnOutPoint.Record()
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err := record.Encode(&buf)
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require.NoError(t, err)
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var decodedOutPoint OutPoint
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decodedRecord := decodedOutPoint.Record()
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err = decodedRecord.Decode(&buf, uint64(buf.Len()))
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require.NoError(t, err)
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require.Equal(t, lnOutPoint, decodedOutPoint)
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require.Equal(t, wireOutPoint, wire.OutPoint(decodedOutPoint))
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}
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rapid.Check(t, scenario)
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}
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// TestOutPointZeroValues tests that OutPoint handles zero values correctly.
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func TestOutPointZeroValues(t *testing.T) {
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t.Parallel()
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zeroOutPoint := OutPoint(wire.OutPoint{})
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var buf bytes.Buffer
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record := zeroOutPoint.Record()
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require.NoError(t, record.Encode(&buf))
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var decodedOutPoint OutPoint
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decodedRecord := decodedOutPoint.Record()
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require.NoError(t, decodedRecord.Decode(&buf, uint64(buf.Len())))
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require.Equal(t, zeroOutPoint, decodedOutPoint)
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}
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