Exemple #1
0
func (s *SPVCon) NewOutgoingTx(tx *wire.MsgTx) error {
	txid := tx.TxSha()
	// assign height of zero for txs we create
	err := s.TS.AddTxid(&txid, 0)
	if err != nil {
		return err
	}
	_, err = s.TS.Ingest(tx, 0) // our own tx; don't keep track of false positives
	if err != nil {
		return err
	}
	// make an inv message instead of a tx message to be polite
	iv1 := wire.NewInvVect(wire.InvTypeWitnessTx, &txid)
	invMsg := wire.NewMsgInv()
	err = invMsg.AddInvVect(iv1)
	if err != nil {
		return err
	}
	s.outMsgQueue <- invMsg
	return nil
}
Exemple #2
0
// GetPendingInv returns an inv message containing all txs known to the
// db which are at height 0 (not known to be confirmed).
// This can be useful on startup or to rebroadcast unconfirmed txs.
func (ts *TxStore) GetPendingInv() (*wire.MsgInv, error) {
	// use a map (really a set) do avoid dupes
	txidMap := make(map[wire.ShaHash]struct{})

	utxos, err := ts.GetAllUtxos() // get utxos from db
	if err != nil {
		return nil, err
	}
	stxos, err := ts.GetAllStxos() // get stxos from db
	if err != nil {
		return nil, err
	}

	// iterate through utxos, adding txids of anything with height 0
	for _, utxo := range utxos {
		if utxo.AtHeight == 0 {
			txidMap[utxo.Op.Hash] = struct{}{} // adds to map
		}
	}
	// do the same with stxos based on height at which spent
	for _, stxo := range stxos {
		if stxo.SpendHeight == 0 {
			txidMap[stxo.SpendTxid] = struct{}{}
		}
	}

	invMsg := wire.NewMsgInv()
	for txid := range txidMap {
		item := wire.NewInvVect(wire.InvTypeTx, &txid)
		err = invMsg.AddInvVect(item)
		if err != nil {
			if err != nil {
				return nil, err
			}
		}
	}

	// return inv message with all txids (maybe none)
	return invMsg, nil
}
Exemple #3
0
// TestPeerListeners tests that the peer listeners are called as expected.
func TestPeerListeners(t *testing.T) {
	verack := make(chan struct{}, 1)
	ok := make(chan wire.Message, 20)
	peerCfg := &peer.Config{
		Listeners: peer.MessageListeners{
			OnGetAddr: func(p *peer.Peer, msg *wire.MsgGetAddr) {
				ok <- msg
			},
			OnAddr: func(p *peer.Peer, msg *wire.MsgAddr) {
				ok <- msg
			},
			OnPing: func(p *peer.Peer, msg *wire.MsgPing) {
				ok <- msg
			},
			OnPong: func(p *peer.Peer, msg *wire.MsgPong) {
				ok <- msg
			},
			OnAlert: func(p *peer.Peer, msg *wire.MsgAlert) {
				ok <- msg
			},
			OnMemPool: func(p *peer.Peer, msg *wire.MsgMemPool) {
				ok <- msg
			},
			OnTx: func(p *peer.Peer, msg *wire.MsgTx) {
				ok <- msg
			},
			OnBlock: func(p *peer.Peer, msg *wire.MsgBlock, buf []byte) {
				ok <- msg
			},
			OnInv: func(p *peer.Peer, msg *wire.MsgInv) {
				ok <- msg
			},
			OnHeaders: func(p *peer.Peer, msg *wire.MsgHeaders) {
				ok <- msg
			},
			OnNotFound: func(p *peer.Peer, msg *wire.MsgNotFound) {
				ok <- msg
			},
			OnGetData: func(p *peer.Peer, msg *wire.MsgGetData) {
				ok <- msg
			},
			OnGetBlocks: func(p *peer.Peer, msg *wire.MsgGetBlocks) {
				ok <- msg
			},
			OnGetHeaders: func(p *peer.Peer, msg *wire.MsgGetHeaders) {
				ok <- msg
			},
			OnFeeFilter: func(p *peer.Peer, msg *wire.MsgFeeFilter) {
				ok <- msg
			},
			OnFilterAdd: func(p *peer.Peer, msg *wire.MsgFilterAdd) {
				ok <- msg
			},
			OnFilterClear: func(p *peer.Peer, msg *wire.MsgFilterClear) {
				ok <- msg
			},
			OnFilterLoad: func(p *peer.Peer, msg *wire.MsgFilterLoad) {
				ok <- msg
			},
			OnMerkleBlock: func(p *peer.Peer, msg *wire.MsgMerkleBlock) {
				ok <- msg
			},
			OnVersion: func(p *peer.Peer, msg *wire.MsgVersion) {
				ok <- msg
			},
			OnVerAck: func(p *peer.Peer, msg *wire.MsgVerAck) {
				verack <- struct{}{}
			},
			OnReject: func(p *peer.Peer, msg *wire.MsgReject) {
				ok <- msg
			},
			OnSendHeaders: func(p *peer.Peer, msg *wire.MsgSendHeaders) {
				ok <- msg
			},
		},
		UserAgentName:    "peer",
		UserAgentVersion: "1.0",
		ChainParams:      &chaincfg.MainNetParams,
		Services:         wire.SFNodeBloom,
	}
	inConn, outConn := pipe(
		&conn{raddr: "10.0.0.1:8333"},
		&conn{raddr: "10.0.0.2:8333"},
	)
	inPeer := peer.NewInboundPeer(peerCfg)
	inPeer.AssociateConnection(inConn)

	peerCfg.Listeners = peer.MessageListeners{
		OnVerAck: func(p *peer.Peer, msg *wire.MsgVerAck) {
			verack <- struct{}{}
		},
	}
	outPeer, err := peer.NewOutboundPeer(peerCfg, "10.0.0.1:8333")
	if err != nil {
		t.Errorf("NewOutboundPeer: unexpected err %v\n", err)
		return
	}
	outPeer.AssociateConnection(outConn)

	for i := 0; i < 2; i++ {
		select {
		case <-verack:
		case <-time.After(time.Second * 1):
			t.Errorf("TestPeerListeners: verack timeout\n")
			return
		}
	}

	tests := []struct {
		listener string
		msg      wire.Message
	}{
		{
			"OnGetAddr",
			wire.NewMsgGetAddr(),
		},
		{
			"OnAddr",
			wire.NewMsgAddr(),
		},
		{
			"OnPing",
			wire.NewMsgPing(42),
		},
		{
			"OnPong",
			wire.NewMsgPong(42),
		},
		{
			"OnAlert",
			wire.NewMsgAlert([]byte("payload"), []byte("signature")),
		},
		{
			"OnMemPool",
			wire.NewMsgMemPool(),
		},
		{
			"OnTx",
			wire.NewMsgTx(wire.TxVersion),
		},
		{
			"OnBlock",
			wire.NewMsgBlock(wire.NewBlockHeader(1,
				&chainhash.Hash{}, &chainhash.Hash{}, 1, 1)),
		},
		{
			"OnInv",
			wire.NewMsgInv(),
		},
		{
			"OnHeaders",
			wire.NewMsgHeaders(),
		},
		{
			"OnNotFound",
			wire.NewMsgNotFound(),
		},
		{
			"OnGetData",
			wire.NewMsgGetData(),
		},
		{
			"OnGetBlocks",
			wire.NewMsgGetBlocks(&chainhash.Hash{}),
		},
		{
			"OnGetHeaders",
			wire.NewMsgGetHeaders(),
		},
		{
			"OnFeeFilter",
			wire.NewMsgFeeFilter(15000),
		},
		{
			"OnFilterAdd",
			wire.NewMsgFilterAdd([]byte{0x01}),
		},
		{
			"OnFilterClear",
			wire.NewMsgFilterClear(),
		},
		{
			"OnFilterLoad",
			wire.NewMsgFilterLoad([]byte{0x01}, 10, 0, wire.BloomUpdateNone),
		},
		{
			"OnMerkleBlock",
			wire.NewMsgMerkleBlock(wire.NewBlockHeader(1,
				&chainhash.Hash{}, &chainhash.Hash{}, 1, 1)),
		},
		// only one version message is allowed
		// only one verack message is allowed
		{
			"OnReject",
			wire.NewMsgReject("block", wire.RejectDuplicate, "dupe block"),
		},
		{
			"OnSendHeaders",
			wire.NewMsgSendHeaders(),
		},
	}
	t.Logf("Running %d tests", len(tests))
	for _, test := range tests {
		// Queue the test message
		outPeer.QueueMessage(test.msg, nil)
		select {
		case <-ok:
		case <-time.After(time.Second * 1):
			t.Errorf("TestPeerListeners: %s timeout", test.listener)
			return
		}
	}
	inPeer.Disconnect()
	outPeer.Disconnect()
}