Example #1
0
// BUGS:
// - MinimumRecentTransactions is ignored.
// - Wrong error codes when a block height or hash is not recognized
func (s *walletServer) GetTransactions(ctx context.Context, req *pb.GetTransactionsRequest) (
	resp *pb.GetTransactionsResponse, err error) {

	var startBlock, endBlock *wallet.BlockIdentifier
	if req.StartingBlockHash != nil && req.StartingBlockHeight != 0 {
		return nil, errors.New(
			"starting block hash and height may not be specified simultaneously")
	} else if req.StartingBlockHash != nil {
		startBlockHash, err := chainhash.NewHash(req.StartingBlockHash)
		if err != nil {
			return nil, grpc.Errorf(codes.InvalidArgument, "%s", err.Error())
		}
		startBlock = wallet.NewBlockIdentifierFromHash(startBlockHash)
	} else if req.StartingBlockHeight != 0 {
		startBlock = wallet.NewBlockIdentifierFromHeight(req.StartingBlockHeight)
	}

	if req.EndingBlockHash != nil && req.EndingBlockHeight != 0 {
		return nil, grpc.Errorf(codes.InvalidArgument,
			"ending block hash and height may not be specified simultaneously")
	} else if req.EndingBlockHash != nil {
		endBlockHash, err := chainhash.NewHash(req.EndingBlockHash)
		if err != nil {
			return nil, grpc.Errorf(codes.InvalidArgument, "%s", err.Error())
		}
		endBlock = wallet.NewBlockIdentifierFromHash(endBlockHash)
	} else if req.EndingBlockHeight != 0 {
		endBlock = wallet.NewBlockIdentifierFromHeight(req.EndingBlockHeight)
	}

	var minRecentTxs int
	if req.MinimumRecentTransactions != 0 {
		if endBlock != nil {
			return nil, grpc.Errorf(codes.InvalidArgument,
				"ending block and minimum number of recent transactions "+
					"may not be specified simultaneously")
		}
		minRecentTxs = int(req.MinimumRecentTransactions)
		if minRecentTxs < 0 {
			return nil, grpc.Errorf(codes.InvalidArgument,
				"minimum number of recent transactions may not be negative")
		}
	}

	_ = minRecentTxs

	gtr, err := s.wallet.GetTransactions(startBlock, endBlock, ctx.Done())
	if err != nil {
		return nil, translateError(err)
	}
	return marshalGetTransactionsResult(gtr)
}
Example #2
0
func NewCoin(index int64, value btcutil.Amount, numConfs int64) coinset.Coin {
	h := sha256.New()
	h.Write([]byte(fmt.Sprintf("%d", index)))
	hash, _ := chainhash.NewHash(h.Sum(nil))
	c := &TestCoin{
		TxHash:     hash,
		TxIndex:    0,
		TxValue:    value,
		TxNumConfs: numConfs,
	}
	return coinset.Coin(c)
}
Example #3
0
// BenchmarkMruInventoryList performs basic benchmarks on the most recently
// used inventory handling.
func BenchmarkMruInventoryList(b *testing.B) {
	// Create a bunch of fake inventory vectors to use in benchmarking
	// the mru inventory code.
	b.StopTimer()
	numInvVects := 100000
	invVects := make([]*wire.InvVect, 0, numInvVects)
	for i := 0; i < numInvVects; i++ {
		hashBytes := make([]byte, chainhash.HashSize)
		rand.Read(hashBytes)
		hash, _ := chainhash.NewHash(hashBytes)
		iv := wire.NewInvVect(wire.InvTypeBlock, hash)
		invVects = append(invVects, iv)
	}
	b.StartTimer()

	// Benchmark the add plus evicition code.
	limit := 20000
	mruInvMap := newMruInventoryMap(uint(limit))
	for i := 0; i < b.N; i++ {
		mruInvMap.Add(invVects[i%numInvVects])
	}
}
Example #4
0
// TestMerkleBlock tests the MsgMerkleBlock API.
func TestMerkleBlock(t *testing.T) {
	pver := ProtocolVersion

	// Block 1 header.
	prevHash := &blockOne.Header.PrevBlock
	merkleHash := &blockOne.Header.MerkleRoot
	bits := blockOne.Header.Bits
	nonce := blockOne.Header.Nonce
	bh := NewBlockHeader(prevHash, merkleHash, bits, nonce)

	// Ensure the command is expected value.
	wantCmd := "merkleblock"
	msg := NewMsgMerkleBlock(bh)
	if cmd := msg.Command(); cmd != wantCmd {
		t.Errorf("NewMsgBlock: wrong command - got %v want %v",
			cmd, wantCmd)
	}

	// Ensure max payload is expected value for latest protocol version.
	// Num addresses (varInt) + max allowed addresses.
	wantPayload := uint32(1000000)
	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)
	}

	// Load maxTxPerBlock hashes
	data := make([]byte, 32)
	for i := 0; i < maxTxPerBlock; i++ {
		rand.Read(data)
		hash, err := chainhash.NewHash(data)
		if err != nil {
			t.Errorf("NewHash failed: %v\n", err)
			return
		}

		if err = msg.AddTxHash(hash); err != nil {
			t.Errorf("AddTxHash failed: %v\n", err)
			return
		}
	}

	// Add one more Tx to test failure.
	rand.Read(data)
	hash, err := chainhash.NewHash(data)
	if err != nil {
		t.Errorf("NewHash failed: %v\n", err)
		return
	}

	if err = msg.AddTxHash(hash); err == nil {
		t.Errorf("AddTxHash succeeded when it should have failed")
		return
	}

	// Test encode with latest protocol version.
	var buf bytes.Buffer
	err = msg.BtcEncode(&buf, pver)
	if err != nil {
		t.Errorf("encode of MsgMerkleBlock failed %v err <%v>", msg, err)
	}

	// Test decode with latest protocol version.
	readmsg := MsgMerkleBlock{}
	err = readmsg.BtcDecode(&buf, pver)
	if err != nil {
		t.Errorf("decode of MsgMerkleBlock failed [%v] err <%v>", buf, err)
	}

	// Force extra hash to test maxTxPerBlock.
	msg.Hashes = append(msg.Hashes, hash)
	err = msg.BtcEncode(&buf, pver)
	if err == nil {
		t.Errorf("encode of MsgMerkleBlock succeeded with too many " +
			"tx hashes when it should have failed")
		return
	}

	// Force too many flag bytes to test maxFlagsPerMerkleBlock.
	// Reset the number of hashes back to a valid value.
	msg.Hashes = msg.Hashes[len(msg.Hashes)-1:]
	msg.Flags = make([]byte, maxFlagsPerMerkleBlock+1)
	err = msg.BtcEncode(&buf, pver)
	if err == nil {
		t.Errorf("encode of MsgMerkleBlock succeeded with too many " +
			"flag bytes when it should have failed")
		return
	}
}