140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
// Copyright (c) 2013 Conformal Systems LLC.
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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 btcwire_test
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import (
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"bytes"
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"github.com/conformal/btcwire"
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"github.com/davecgh/go-spew/spew"
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"reflect"
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"testing"
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)
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// TestAlert tests the MsgAlert API.
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func TestAlert(t *testing.T) {
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pver := btcwire.ProtocolVersion
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payloadblob := "some message"
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signature := "some sig"
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// Ensure we get the same payload and signature back out.
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msg := btcwire.NewMsgAlert(payloadblob, signature)
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if msg.PayloadBlob != payloadblob {
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t.Errorf("NewMsgAlert: wrong payloadblob - got %v, want %v",
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msg.PayloadBlob, payloadblob)
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}
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if msg.Signature != signature {
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t.Errorf("NewMsgAlert: wrong signature - got %v, want %v",
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msg.Signature, signature)
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}
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// Ensure the command is expected value.
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wantCmd := "alert"
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if cmd := msg.Command(); cmd != wantCmd {
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t.Errorf("NewMsgAlert: wrong command - got %v want %v",
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cmd, wantCmd)
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}
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// Ensure max payload is expected value.
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wantPayload := uint32(1024 * 1024 * 32)
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maxPayload := msg.MaxPayloadLength(pver)
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if maxPayload != wantPayload {
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t.Errorf("MaxPayloadLength: wrong max payload length for "+
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"protocol version %d - got %v, want %v", pver,
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maxPayload, wantPayload)
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}
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return
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}
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// TestAlertWire tests the MsgAlert wire encode and decode for various protocol
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// versions.
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func TestAlertWire(t *testing.T) {
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baseAlert := btcwire.NewMsgAlert("some payload", "somesig")
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baseAlertEncoded := []byte{
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0x0c, // Varint for payload length
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0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x61, 0x79,
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0x6c, 0x6f, 0x61, 0x64, // "some payload"
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0x07, // Varint for signature length
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0x73, 0x6f, 0x6d, 0x65, 0x73, 0x69, 0x67, // "somesig"
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}
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tests := []struct {
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in *btcwire.MsgAlert // Message to encode
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out *btcwire.MsgAlert // Expected decoded message
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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}{
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// Latest protocol version.
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{
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baseAlert,
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baseAlert,
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baseAlertEncoded,
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btcwire.ProtocolVersion,
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},
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// Protocol version BIP0035Version.
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{
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baseAlert,
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baseAlert,
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baseAlertEncoded,
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btcwire.BIP0035Version,
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},
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// Protocol version BIP0031Version.
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{
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baseAlert,
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baseAlert,
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baseAlertEncoded,
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btcwire.BIP0031Version,
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},
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// Protocol version NetAddressTimeVersion.
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{
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baseAlert,
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baseAlert,
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baseAlertEncoded,
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btcwire.NetAddressTimeVersion,
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},
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// Protocol version MultipleAddressVersion.
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{
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baseAlert,
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baseAlert,
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baseAlertEncoded,
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btcwire.MultipleAddressVersion,
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},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode the message to wire format.
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var buf bytes.Buffer
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err := test.in.BtcEncode(&buf, test.pver)
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if err != nil {
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t.Errorf("BtcEncode #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.buf) {
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t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
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spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
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continue
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}
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// Decode the message from wire format.
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var msg btcwire.MsgAlert
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rbuf := bytes.NewBuffer(test.buf)
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err = msg.BtcDecode(rbuf, test.pver)
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if err != nil {
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t.Errorf("BtcDecode #%d error %v", i, err)
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continue
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}
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if !reflect.DeepEqual(&msg, test.out) {
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t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
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spew.Sdump(msg), spew.Sdump(test.out))
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continue
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}
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}
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}
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