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Add support for wtxidrelay message. (btcsuite#2272)
* Add support for wtxidrelay message. This adds support for the wtxidrelay (BIP339) message in wire. While here, add tests for sendaddrv2 and rename AddrV2Version to SendAddrV2Version in order to make the code consistent with all other messages. This diff does keep the old AddrV2Version constant for backwards compatibility. * Bump copyrights
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| // Copyright (c) 2024 The btcsuite developers | ||
| // Use of this source code is governed by an ISC | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package wire | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "reflect" | ||
| "testing" | ||
|
|
||
| "github.com/davecgh/go-spew/spew" | ||
| ) | ||
|
|
||
| // TestSendAddrV2 tests the MsgSendAddrV2 API against the latest protocol | ||
| // version. | ||
| func TestSendAddrV2(t *testing.T) { | ||
| pver := ProtocolVersion | ||
| enc := BaseEncoding | ||
|
|
||
| // Ensure the command is expected value. | ||
| wantCmd := "sendaddrv2" | ||
| msg := NewMsgSendAddrV2() | ||
| if cmd := msg.Command(); cmd != wantCmd { | ||
| t.Errorf("NewMsgSendAddrV2: wrong command - got %v want %v", | ||
| cmd, wantCmd) | ||
| } | ||
|
|
||
| // Ensure max payload is expected value. | ||
| wantPayload := uint32(0) | ||
| maxPayload := msg.MaxPayloadLength(pver) | ||
| if maxPayload != wantPayload { | ||
| t.Errorf("MaxPayloadLength: wrong max payload length for "+ | ||
| "protocol version %d - got %v, want %v", pver, | ||
| maxPayload, wantPayload) | ||
| } | ||
|
|
||
| // Test encode with latest protocol version. | ||
| var buf bytes.Buffer | ||
| err := msg.BtcEncode(&buf, pver, enc) | ||
| if err != nil { | ||
| t.Errorf("encode of MsgSendAddrV2 failed %v err <%v>", msg, | ||
| err) | ||
| } | ||
|
|
||
| // Older protocol versions should fail encode since message didn't | ||
| // exist yet. | ||
| oldPver := SendAddrV2Version - 1 | ||
| err = msg.BtcEncode(&buf, oldPver, enc) | ||
| if err == nil { | ||
| s := "encode of MsgSendAddrV2 passed for old protocol " + | ||
| "version %v err <%v>" | ||
| t.Errorf(s, msg, err) | ||
| } | ||
|
|
||
| // Test decode with latest protocol version. | ||
| readmsg := NewMsgSendAddrV2() | ||
| err = readmsg.BtcDecode(&buf, pver, enc) | ||
| if err != nil { | ||
| t.Errorf("decode of MsgSendAddrV2 failed [%v] err <%v>", buf, | ||
| err) | ||
| } | ||
|
|
||
| // Older protocol versions should fail decode since message didn't | ||
| // exist yet. | ||
| err = readmsg.BtcDecode(&buf, oldPver, enc) | ||
| if err == nil { | ||
| s := "decode of MsgSendAddrV2 passed for old protocol " + | ||
| "version %v err <%v>" | ||
| t.Errorf(s, msg, err) | ||
| } | ||
| } | ||
|
|
||
| // TestSendAddrV2BIP0130 tests the MsgSendAddrV2 API against the protocol | ||
| // prior to version SendAddrV2Version. | ||
| func TestSendAddrV2BIP0130(t *testing.T) { | ||
| // Use the protocol version just prior to SendAddrV2Version changes. | ||
| pver := SendAddrV2Version - 1 | ||
| enc := BaseEncoding | ||
|
|
||
| msg := NewMsgSendAddrV2() | ||
|
|
||
| // Test encode with old protocol version. | ||
| var buf bytes.Buffer | ||
| err := msg.BtcEncode(&buf, pver, enc) | ||
| if err == nil { | ||
| t.Errorf("encode of MsgSendAddrV2 succeeded when it should " + | ||
| "have failed") | ||
| } | ||
|
|
||
| // Test decode with old protocol version. | ||
| readmsg := NewMsgSendAddrV2() | ||
| err = readmsg.BtcDecode(&buf, pver, enc) | ||
| if err == nil { | ||
| t.Errorf("decode of MsgSendAddrV2 succeeded when it should " + | ||
| "have failed") | ||
| } | ||
| } | ||
|
|
||
| // TestSendAddrV2CrossProtocol tests the MsgSendAddrV2 API when encoding with | ||
| // the latest protocol version and decoding with SendAddrV2Version. | ||
| func TestSendAddrV2CrossProtocol(t *testing.T) { | ||
| enc := BaseEncoding | ||
| msg := NewMsgSendAddrV2() | ||
|
|
||
| // Encode with latest protocol version. | ||
| var buf bytes.Buffer | ||
| err := msg.BtcEncode(&buf, ProtocolVersion, enc) | ||
| if err != nil { | ||
| t.Errorf("encode of MsgSendAddrV2 failed %v err <%v>", msg, | ||
| err) | ||
| } | ||
|
|
||
| // Decode with old protocol version. | ||
| readmsg := NewMsgSendAddrV2() | ||
| err = readmsg.BtcDecode(&buf, SendAddrV2Version, enc) | ||
| if err != nil { | ||
| t.Errorf("decode of MsgSendAddrV2 failed [%v] err <%v>", buf, | ||
| err) | ||
| } | ||
| } | ||
|
|
||
| // TestSendAddrV2Wire tests the MsgSendAddrV2 wire encode and decode for | ||
| // various protocol versions. | ||
| func TestSendAddrV2Wire(t *testing.T) { | ||
| msgSendAddrV2 := NewMsgSendAddrV2() | ||
| msgSendAddrV2Encoded := []byte{} | ||
|
|
||
| tests := []struct { | ||
| in *MsgSendAddrV2 // Message to encode | ||
| out *MsgSendAddrV2 // Expected decoded message | ||
| buf []byte // Wire encoding | ||
| pver uint32 // Protocol version for wire encoding | ||
| enc MessageEncoding // Message encoding format | ||
| }{ | ||
| // Latest protocol version. | ||
| { | ||
| msgSendAddrV2, | ||
| msgSendAddrV2, | ||
| msgSendAddrV2Encoded, | ||
| ProtocolVersion, | ||
| BaseEncoding, | ||
| }, | ||
|
|
||
| // Protocol version SendAddrV2Version+1 | ||
| { | ||
| msgSendAddrV2, | ||
| msgSendAddrV2, | ||
| msgSendAddrV2Encoded, | ||
| SendAddrV2Version + 1, | ||
| BaseEncoding, | ||
| }, | ||
|
|
||
| // Protocol version SendAddrV2Version | ||
| { | ||
| msgSendAddrV2, | ||
| msgSendAddrV2, | ||
| msgSendAddrV2Encoded, | ||
| SendAddrV2Version, | ||
| BaseEncoding, | ||
| }, | ||
| } | ||
|
|
||
| t.Logf("Running %d tests", len(tests)) | ||
| for i, test := range tests { | ||
| // Encode the message to wire format. | ||
| var buf bytes.Buffer | ||
| err := test.in.BtcEncode(&buf, test.pver, test.enc) | ||
| if err != nil { | ||
| t.Errorf("BtcEncode #%d error %v", i, err) | ||
| continue | ||
| } | ||
| if !bytes.Equal(buf.Bytes(), test.buf) { | ||
| t.Errorf("BtcEncode #%d\n got: %s want: %s", i, | ||
| spew.Sdump(buf.Bytes()), spew.Sdump(test.buf)) | ||
| continue | ||
| } | ||
|
|
||
| // Decode the message from wire format. | ||
| var msg MsgSendAddrV2 | ||
| rbuf := bytes.NewReader(test.buf) | ||
| err = msg.BtcDecode(rbuf, test.pver, test.enc) | ||
| if err != nil { | ||
| t.Errorf("BtcDecode #%d error %v", i, err) | ||
| continue | ||
| } | ||
| if !reflect.DeepEqual(&msg, test.out) { | ||
| t.Errorf("BtcDecode #%d\n got: %s want: %s", i, | ||
| spew.Sdump(msg), spew.Sdump(test.out)) | ||
| continue | ||
| } | ||
| } | ||
| } |
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