Merge pull request #4139 from carlaKC/lnrpc-listsweeps

lnrpc: add block height params to GetTransactions and add ListSweeps

cmd/lncli/commands.go

@@ -2295,11 +2295,37 @@ func debugLevel(ctx *cli.Context) error {
 }
 
 var listChainTxnsCommand = cli.Command{
-	Name:        "listchaintxns",
+	Name:     "listchaintxns",
-	Category:    "On-chain",
+	Category: "On-chain",
-	Usage:       "List transactions from the wallet.",
+	Usage:    "List transactions from the wallet.",
-	Description: "List all transactions an address of the wallet was involved in.",
+	Flags: []cli.Flag{
-	Action:      actionDecorator(listChainTxns),
+		cli.Int64Flag{
+			Name: "start_height",
+			Usage: "the block height from which to list " +
+				"transactions, inclusive",
+		},
+		cli.Int64Flag{
+			Name: "end_height",
+			Usage: "the block height until which to list " +
+				"transactions, inclusive, to get transactions " +
+				"until the chain tip, including unconfirmed, " +
+				"set this value to -1",
+		},
+	},
+	Description: `
+	List all transactions an address of the wallet was involved in.
+
+	This call will return a list of wallet related transactions that paid
+	to an address our wallet controls, or spent utxos that we held. The
+	start_height and end_height flags can be used to specify an inclusive
+	block range over which to query for transactions. If the end_height is
+	less than the start_height, transactions will be queried in reverse.
+	To get all transactions until the chain tip, including unconfirmed
+	transactions (identifiable with BlockHeight=0), set end_height to -1.
+	By default, this call will get all transactions our wallet was involved
+	in, including unconfirmed transactions. 
+`,
+	Action: actionDecorator(listChainTxns),
 }
 
 func listChainTxns(ctx *cli.Context) error {
@@ -2307,8 +2333,16 @@ func listChainTxns(ctx *cli.Context) error {
 	client, cleanUp := getClient(ctx)
 	defer cleanUp()
 
-	resp, err := client.GetTransactions(ctxb, &lnrpc.GetTransactionsRequest{})
+	req := &lnrpc.GetTransactionsRequest{}
 
+	if ctx.IsSet("start_height") {
+		req.StartHeight = int32(ctx.Int64("start_height"))
+	}
+	if ctx.IsSet("end_height") {
+		req.EndHeight = int32(ctx.Int64("end_height"))
+	}
+
+	resp, err := client.GetTransactions(ctxb, req)
 	if err != nil {
 		return err
 	}

cmd/lncli/walletrpc_active.go

@@ -27,6 +27,7 @@ func walletCommands() []cli.Command {
 				pendingSweepsCommand,
 				bumpFeeCommand,
 				bumpCloseFeeCommand,
+				listSweepsCommand,
 			},
 		},
 	}
@@ -300,3 +301,42 @@ func getWaitingCloseCommitments(client lnrpc.LightningClient,
 
 	return nil, errors.New("channel not found")
 }
+
+var listSweepsCommand = cli.Command{
+	Name:     "listsweeps",
+	Category: "On-chain",
+	Usage:    "Lists all sweeps that have been published by our node.",
+	Flags: []cli.Flag{
+		cli.BoolFlag{
+			Name:  "verbose",
+			Usage: "lookup full transaction",
+		},
+	},
+	Description: `
+	Get a list of the hex-encoded transaction ids of every sweep that our
+	node has published. Note that these sweeps may not be confirmed on chain
+	yet, as we store them on transaction broadcast, not confirmation.
+
+	If the verbose flag is set, the full set of transactions will be 
+	returned, otherwise only the sweep transaction ids will be returned. 
+	`,
+	Action: actionDecorator(listSweeps),
+}
+
+func listSweeps(ctx *cli.Context) error {
+	client, cleanUp := getWalletClient(ctx)
+	defer cleanUp()
+
+	resp, err := client.ListSweeps(
+		context.Background(), &walletrpc.ListSweepsRequest{
+			Verbose: ctx.IsSet("verbose"),
+		},
+	)
+	if err != nil {
+		return err
+	}
+
+	printJSON(resp)
+
+	return nil
+}

lnrpc/rpc.pb.gw.go

@@ -114,10 +114,18 @@ func request_Lightning_ChannelBalance_0(ctx context.Context, marshaler runtime.M
 
 }
 
+var (
+	filter_Lightning_GetTransactions_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
 func request_Lightning_GetTransactions_0(ctx context.Context, marshaler runtime.Marshaler, client LightningClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq GetTransactionsRequest
 	var metadata runtime.ServerMetadata
 
+	if err := runtime.PopulateQueryParameters(&protoReq, req.URL.Query(), filter_Lightning_GetTransactions_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
 	msg, err := client.GetTransactions(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
 	return msg, metadata, err
 

lnrpc/rpc.proto

@@ -897,7 +897,22 @@ message Transaction {
     string raw_tx_hex = 9;
 }
 message GetTransactionsRequest {
+    /*
+    The height from which to list transactions, inclusive. If this value is
+    greater than end_height, transactions will be read in reverse.
+    */
+    int32 start_height = 1;
+
+    /*
+    The height until which to list transactions, inclusive. To include
+    unconfirmed transactions, this value should be set to -1, which will
+    return transactions from start_height until the current chain tip and
+    unconfirmed transactions. If no end_height is provided, the call will
+    default to this option.
+    */
+    int32 end_height = 2;
 }
+
 message TransactionDetails {
     /// The list of transactions relevant to the wallet.
     repeated Transaction transactions = 1;

lnrpc/rpc.swagger.json

@@ -1377,6 +1377,24 @@
             }
           }
         },
+        "parameters": [
+          {
+            "name": "start_height",
+            "description": "The height from which to list transactions, inclusive. If this value is\ngreater than end_height, transactions will be read in reverse.",
+            "in": "query",
+            "required": false,
+            "type": "integer",
+            "format": "int32"
+          },
+          {
+            "name": "end_height",
+            "description": "The height until which to list transactions, inclusive. To include\nunconfirmed transactions, this value should be set to -1, which will\nreturn transactions from start_height until the current chain tip and\nunconfirmed transactions. If no end_height is provided, the call will\ndefault to this option.",
+            "in": "query",
+            "required": false,
+            "type": "integer",
+            "format": "int32"
+          }
+        ],
         "tags": [
           "Lightning"
         ]

lnrpc/rpc_utils.go

@@ -0,0 +1,53 @@
+package lnrpc
+
+import (
+	"encoding/hex"
+	"sort"
+
+	"github.com/lightningnetwork/lnd/lnwallet"
+)
+
+// RPCTransactionDetails returns a set of rpc transaction details.
+func RPCTransactionDetails(txns []*lnwallet.TransactionDetail) *TransactionDetails {
+	txDetails := &TransactionDetails{
+		Transactions: make([]*Transaction, len(txns)),
+	}
+
+	for i, tx := range txns {
+		var destAddresses []string
+		for _, destAddress := range tx.DestAddresses {
+			destAddresses = append(destAddresses, destAddress.EncodeAddress())
+		}
+
+		// We also get unconfirmed transactions, so BlockHash can be
+		// nil.
+		blockHash := ""
+		if tx.BlockHash != nil {
+			blockHash = tx.BlockHash.String()
+		}
+
+		txDetails.Transactions[i] = &Transaction{
+			TxHash:           tx.Hash.String(),
+			Amount:           int64(tx.Value),
+			NumConfirmations: tx.NumConfirmations,
+			BlockHash:        blockHash,
+			BlockHeight:      tx.BlockHeight,
+			TimeStamp:        tx.Timestamp,
+			TotalFees:        tx.TotalFees,
+			DestAddresses:    destAddresses,
+			RawTxHex:         hex.EncodeToString(tx.RawTx),
+		}
+	}
+
+	// Sort transactions by number of confirmations rather than height so
+	// that unconfirmed transactions (height =0; confirmations =-1) will
+	// follow the most recently set of confirmed transactions. If we sort
+	// by height, unconfirmed transactions will follow our oldest
+	// transactions, because they have lower block heights.
+	sort.Slice(txDetails.Transactions, func(i, j int) bool {
+		return txDetails.Transactions[i].NumConfirmations <
+			txDetails.Transactions[j].NumConfirmations
+	})
+
+	return txDetails
+}

lnrpc/walletrpc/walletkit.pb.go

@@ -813,6 +813,171 @@ func (m *BumpFeeResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_BumpFeeResponse proto.InternalMessageInfo
 
+type ListSweepsRequest struct {
+	//
+	//Retrieve the full sweep transaction details. If false, only the sweep txids
+	//will be returned.
+	Verbose              bool     `protobuf:"varint,1,opt,name=verbose,proto3" json:"verbose,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ListSweepsRequest) Reset()         { *m = ListSweepsRequest{} }
+func (m *ListSweepsRequest) String() string { return proto.CompactTextString(m) }
+func (*ListSweepsRequest) ProtoMessage()    {}
+func (*ListSweepsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{14}
+}
+
+func (m *ListSweepsRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListSweepsRequest.Unmarshal(m, b)
+}
+func (m *ListSweepsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListSweepsRequest.Marshal(b, m, deterministic)
+}
+func (m *ListSweepsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListSweepsRequest.Merge(m, src)
+}
+func (m *ListSweepsRequest) XXX_Size() int {
+	return xxx_messageInfo_ListSweepsRequest.Size(m)
+}
+func (m *ListSweepsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListSweepsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListSweepsRequest proto.InternalMessageInfo
+
+func (m *ListSweepsRequest) GetVerbose() bool {
+	if m != nil {
+		return m.Verbose
+	}
+	return false
+}
+
+type ListSweepsResponse struct {
+	// Types that are valid to be assigned to Sweeps:
+	//	*ListSweepsResponse_TransactionDetails
+	//	*ListSweepsResponse_TransactionIds
+	Sweeps               isListSweepsResponse_Sweeps `protobuf_oneof:"sweeps"`
+	XXX_NoUnkeyedLiteral struct{}                    `json:"-"`
+	XXX_unrecognized     []byte                      `json:"-"`
+	XXX_sizecache        int32                       `json:"-"`
+}
+
+func (m *ListSweepsResponse) Reset()         { *m = ListSweepsResponse{} }
+func (m *ListSweepsResponse) String() string { return proto.CompactTextString(m) }
+func (*ListSweepsResponse) ProtoMessage()    {}
+func (*ListSweepsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{15}
+}
+
+func (m *ListSweepsResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListSweepsResponse.Unmarshal(m, b)
+}
+func (m *ListSweepsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListSweepsResponse.Marshal(b, m, deterministic)
+}
+func (m *ListSweepsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListSweepsResponse.Merge(m, src)
+}
+func (m *ListSweepsResponse) XXX_Size() int {
+	return xxx_messageInfo_ListSweepsResponse.Size(m)
+}
+func (m *ListSweepsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListSweepsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListSweepsResponse proto.InternalMessageInfo
+
+type isListSweepsResponse_Sweeps interface {
+	isListSweepsResponse_Sweeps()
+}
+
+type ListSweepsResponse_TransactionDetails struct {
+	TransactionDetails *lnrpc.TransactionDetails `protobuf:"bytes,1,opt,name=transaction_details,json=transactionDetails,proto3,oneof"`
+}
+
+type ListSweepsResponse_TransactionIds struct {
+	TransactionIds *ListSweepsResponse_TransactionIDs `protobuf:"bytes,2,opt,name=transaction_ids,json=transactionIds,proto3,oneof"`
+}
+
+func (*ListSweepsResponse_TransactionDetails) isListSweepsResponse_Sweeps() {}
+
+func (*ListSweepsResponse_TransactionIds) isListSweepsResponse_Sweeps() {}
+
+func (m *ListSweepsResponse) GetSweeps() isListSweepsResponse_Sweeps {
+	if m != nil {
+		return m.Sweeps
+	}
+	return nil
+}
+
+func (m *ListSweepsResponse) GetTransactionDetails() *lnrpc.TransactionDetails {
+	if x, ok := m.GetSweeps().(*ListSweepsResponse_TransactionDetails); ok {
+		return x.TransactionDetails
+	}
+	return nil
+}
+
+func (m *ListSweepsResponse) GetTransactionIds() *ListSweepsResponse_TransactionIDs {
+	if x, ok := m.GetSweeps().(*ListSweepsResponse_TransactionIds); ok {
+		return x.TransactionIds
+	}
+	return nil
+}
+
+// XXX_OneofWrappers is for the internal use of the proto package.
+func (*ListSweepsResponse) XXX_OneofWrappers() []interface{} {
+	return []interface{}{
+		(*ListSweepsResponse_TransactionDetails)(nil),
+		(*ListSweepsResponse_TransactionIds)(nil),
+	}
+}
+
+type ListSweepsResponse_TransactionIDs struct {
+	//
+	//Reversed, hex-encoded string representing the transaction ids of the
+	//sweeps that our node has broadcast. Note that these transactions may
+	//not have confirmed yet, we record sweeps on broadcast, not confirmation.
+	TransactionIds       []string `protobuf:"bytes,1,rep,name=transaction_ids,json=transactionIds,proto3" json:"transaction_ids,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ListSweepsResponse_TransactionIDs) Reset()         { *m = ListSweepsResponse_TransactionIDs{} }
+func (m *ListSweepsResponse_TransactionIDs) String() string { return proto.CompactTextString(m) }
+func (*ListSweepsResponse_TransactionIDs) ProtoMessage()    {}
+func (*ListSweepsResponse_TransactionIDs) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{15, 0}
+}
+
+func (m *ListSweepsResponse_TransactionIDs) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListSweepsResponse_TransactionIDs.Unmarshal(m, b)
+}
+func (m *ListSweepsResponse_TransactionIDs) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListSweepsResponse_TransactionIDs.Marshal(b, m, deterministic)
+}
+func (m *ListSweepsResponse_TransactionIDs) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListSweepsResponse_TransactionIDs.Merge(m, src)
+}
+func (m *ListSweepsResponse_TransactionIDs) XXX_Size() int {
+	return xxx_messageInfo_ListSweepsResponse_TransactionIDs.Size(m)
+}
+func (m *ListSweepsResponse_TransactionIDs) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListSweepsResponse_TransactionIDs.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListSweepsResponse_TransactionIDs proto.InternalMessageInfo
+
+func (m *ListSweepsResponse_TransactionIDs) GetTransactionIds() []string {
+	if m != nil {
+		return m.TransactionIds
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterEnum("walletrpc.WitnessType", WitnessType_name, WitnessType_value)
 	proto.RegisterType((*KeyReq)(nil), "walletrpc.KeyReq")
@@ -829,78 +994,89 @@ func init() {
 	proto.RegisterType((*PendingSweepsResponse)(nil), "walletrpc.PendingSweepsResponse")
 	proto.RegisterType((*BumpFeeRequest)(nil), "walletrpc.BumpFeeRequest")
 	proto.RegisterType((*BumpFeeResponse)(nil), "walletrpc.BumpFeeResponse")
+	proto.RegisterType((*ListSweepsRequest)(nil), "walletrpc.ListSweepsRequest")
+	proto.RegisterType((*ListSweepsResponse)(nil), "walletrpc.ListSweepsResponse")
+	proto.RegisterType((*ListSweepsResponse_TransactionIDs)(nil), "walletrpc.ListSweepsResponse.TransactionIDs")
 }
 
 func init() { proto.RegisterFile("walletrpc/walletkit.proto", fileDescriptor_6cc6942ac78249e5) }
 
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -980,6 +1156,11 @@ type WalletKitClient interface {
 	//fee preference being provided. For now, the responsibility of ensuring that
 	//the new fee preference is sufficient is delegated to the user.
 	BumpFee(ctx context.Context, in *BumpFeeRequest, opts ...grpc.CallOption) (*BumpFeeResponse, error)
+	//*
+	//ListSweeps returns a list of the sweep transactions our node has produced.
+	//Note that these sweeps may not be confirmed yet, as we record sweeps on
+	//broadcast, not confirmation.
+	ListSweeps(ctx context.Context, in *ListSweepsRequest, opts ...grpc.CallOption) (*ListSweepsResponse, error)
 }
 
 type walletKitClient struct {
@@ -1062,6 +1243,15 @@ func (c *walletKitClient) BumpFee(ctx context.Context, in *BumpFeeRequest, opts
 	return out, nil
 }
 
+func (c *walletKitClient) ListSweeps(ctx context.Context, in *ListSweepsRequest, opts ...grpc.CallOption) (*ListSweepsResponse, error) {
+	out := new(ListSweepsResponse)
+	err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/ListSweeps", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // WalletKitServer is the server API for WalletKit service.
 type WalletKitServer interface {
 	//*
@@ -1129,6 +1319,11 @@ type WalletKitServer interface {
 	//fee preference being provided. For now, the responsibility of ensuring that
 	//the new fee preference is sufficient is delegated to the user.
 	BumpFee(context.Context, *BumpFeeRequest) (*BumpFeeResponse, error)
+	//*
+	//ListSweeps returns a list of the sweep transactions our node has produced.
+	//Note that these sweeps may not be confirmed yet, as we record sweeps on
+	//broadcast, not confirmation.
+	ListSweeps(context.Context, *ListSweepsRequest) (*ListSweepsResponse, error)
 }
 
 func RegisterWalletKitServer(s *grpc.Server, srv WalletKitServer) {
@@ -1279,6 +1474,24 @@ func _WalletKit_BumpFee_Handler(srv interface{}, ctx context.Context, dec func(i
 	return interceptor(ctx, in, info, handler)
 }
 
+func _WalletKit_ListSweeps_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListSweepsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(WalletKitServer).ListSweeps(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/walletrpc.WalletKit/ListSweeps",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(WalletKitServer).ListSweeps(ctx, req.(*ListSweepsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _WalletKit_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "walletrpc.WalletKit",
 	HandlerType: (*WalletKitServer)(nil),
@@ -1315,6 +1528,10 @@ var _WalletKit_serviceDesc = grpc.ServiceDesc{
 			MethodName: "BumpFee",
 			Handler:    _WalletKit_BumpFee_Handler,
 		},
+		{
+			MethodName: "ListSweeps",
+			Handler:    _WalletKit_ListSweeps_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "walletrpc/walletkit.proto",

lnrpc/walletrpc/walletkit.proto

@@ -244,6 +244,31 @@ message BumpFeeRequest {
 message BumpFeeResponse {
 }
 
+
+message ListSweepsRequest {
+    /*
+    Retrieve the full sweep transaction details. If false, only the sweep txids
+    will be returned.
+    */
+    bool verbose = 1;
+}
+
+message ListSweepsResponse {
+    message TransactionIDs {
+        /*
+        Reversed, hex-encoded string representing the transaction ids of the
+        sweeps that our node has broadcast. Note that these transactions may
+        not have confirmed yet, we record sweeps on broadcast, not confirmation.
+        */
+        repeated string transaction_ids = 1;
+    }
+
+    oneof sweeps {
+        lnrpc.TransactionDetails transaction_details = 1;
+        TransactionIDs transaction_ids = 2;
+    }
+}
+
 service WalletKit {
     /**
     DeriveNextKey attempts to derive the *next* key within the key family
@@ -325,4 +350,13 @@ service WalletKit {
     the new fee preference is sufficient is delegated to the user.
     */
     rpc BumpFee (BumpFeeRequest) returns (BumpFeeResponse);
+
+
+    /**
+    ListSweeps returns a list of the sweep transactions our node has produced.
+    Note that these sweeps may not be confirmed yet, as we record sweeps on
+    broadcast, not confirmation.
+    */
+    rpc ListSweeps (ListSweepsRequest) returns (ListSweepsResponse) {}
 }
+

lnrpc/walletrpc/walletkit_server.go

@@ -19,6 +19,7 @@ import (
 	"github.com/lightningnetwork/lnd/lnrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/signrpc"
 	"github.com/lightningnetwork/lnd/lnwallet"
+	"github.com/lightningnetwork/lnd/lnwallet/btcwallet"
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
 	"github.com/lightningnetwork/lnd/sweep"
 	"google.golang.org/grpc"
@@ -88,6 +89,10 @@ var (
 			Entity: "onchain",
 			Action: "write",
 		}},
+		"/walletrpc.WalletKit/ListSweeps": {{
+			Entity: "onchain",
+			Action: "read",
+		}},
 	}
 
 	// DefaultWalletKitMacFilename is the default name of the wallet kit
@@ -555,3 +560,67 @@ func (w *WalletKit) BumpFee(ctx context.Context,
 
 	return &BumpFeeResponse{}, nil
 }
+
+// ListSweeps returns a list of the sweeps that our node has published.
+func (w *WalletKit) ListSweeps(ctx context.Context,
+	in *ListSweepsRequest) (*ListSweepsResponse, error) {
+
+	sweeps, err := w.cfg.Sweeper.ListSweeps()
+	if err != nil {
+		return nil, err
+	}
+
+	sweepTxns := make(map[string]bool)
+
+	txids := make([]string, len(sweeps))
+	for i, sweep := range sweeps {
+		sweepTxns[sweep.String()] = true
+		txids[i] = sweep.String()
+	}
+
+	// If the caller does not want verbose output, just return the set of
+	// sweep txids.
+	if !in.Verbose {
+		txidResp := &ListSweepsResponse_TransactionIDs{
+			TransactionIds: txids,
+		}
+
+		return &ListSweepsResponse{
+			Sweeps: &ListSweepsResponse_TransactionIds{
+				TransactionIds: txidResp,
+			},
+		}, nil
+	}
+
+	// If the caller does want full transaction lookups, query our wallet
+	// for all transactions, including unconfirmed transactions.
+	transactions, err := w.cfg.Wallet.ListTransactionDetails(
+		0, btcwallet.UnconfirmedHeight,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	var sweepTxDetails []*lnwallet.TransactionDetail
+	for _, tx := range transactions {
+		_, ok := sweepTxns[tx.Hash.String()]
+		if !ok {
+			continue
+		}
+
+		sweepTxDetails = append(sweepTxDetails, tx)
+	}
+
+	// Fail if we have not retrieved all of our sweep transactions from the
+	// wallet.
+	if len(sweepTxDetails) != len(txids) {
+		return nil, fmt.Errorf("not all sweeps found by list "+
+			"transactions: %v, %v", len(sweepTxDetails), len(txids))
+	}
+
+	return &ListSweepsResponse{
+		Sweeps: &ListSweepsResponse_TransactionDetails{
+			TransactionDetails: lnrpc.RPCTransactionDetails(transactions),
+		},
+	}, nil
+}

lntest/itest/lnd_test.go

@@ -38,6 +38,7 @@ import (
 	"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/signrpc"
+	"github.com/lightningnetwork/lnd/lnrpc/walletrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/watchtowerrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/wtclientrpc"
 	"github.com/lightningnetwork/lnd/lntest"
@@ -3586,6 +3587,13 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 		}
 	}
 
+	// Check that we can find the commitment sweep in our set of known
+	// sweeps.
+	err = findSweep(ctxb, alice, sweepingTXID)
+	if err != nil {
+		t.Fatalf("csv sweep not found: %v", err)
+	}
+
 	// Restart Alice to ensure that she resumes watching the finalized
 	// commitment sweep txid.
 	if err := net.RestartNode(alice, nil); err != nil {
@@ -3753,7 +3761,10 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 
 	// Retrieve each htlc timeout txn from the mempool, and ensure it is
 	// well-formed. This entails verifying that each only spends from
-	// output, and that that output is from the commitment txn.
+	// output, and that that output is from the commitment txn. We do not
+	// the sweeper check for these timeout transactions because they are
+	// not swept by the sweeper; the nursery broadcasts the pre-signed
+	// transaction.
 	for _, htlcTxID := range htlcTxIDs {
 		// Fetch the sweep transaction, all input it's spending should
 		// be from the commitment transaction which was broadcast
@@ -3904,6 +3915,12 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 		}
 	}
 
+	// Check that we can find the htlc sweep in our set of sweeps.
+	err = findSweep(ctxb, alice, htlcSweepTx.Hash())
+	if err != nil {
+		t.Fatalf("htlc sweep not found: %v", err)
+	}
+
 	// The following restart checks to ensure that the nursery store is
 	// storing the txid of the previously broadcast htlc sweep txn, and that
 	// it begins watching that txid after restarting.
@@ -4010,6 +4027,35 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 	}
 }
 
+// findSweep looks up a sweep in a nodes list of broadcast sweeps.
+func findSweep(ctx context.Context, node *lntest.HarnessNode,
+	sweep *chainhash.Hash) error {
+
+	// List all sweeps that alice's node had broadcast.
+	ctx, _ = context.WithTimeout(ctx, defaultTimeout)
+	sweepResp, err := node.WalletKitClient.ListSweeps(
+		ctx, &walletrpc.ListSweepsRequest{
+			Verbose: false,
+		})
+	if err != nil {
+		return fmt.Errorf("list sweeps error: %v", err)
+	}
+
+	sweepTxIDs, ok := sweepResp.Sweeps.(*walletrpc.ListSweepsResponse_TransactionIds)
+	if !ok {
+		return errors.New("expected sweep txids in response")
+	}
+
+	// Check that the sweep tx we have just produced is present.
+	for _, tx := range sweepTxIDs.TransactionIds.TransactionIds {
+		if tx == sweep.String() {
+			return nil
+		}
+	}
+
+	return fmt.Errorf("sweep: %v not found", sweep.String())
+}
+
 // assertAmountSent generates a closure which queries listchannels for sndr and
 // rcvr, and asserts that sndr sent amt satoshis, and that rcvr received amt
 // satoshis.

lnwallet/btcwallet/btcwallet.go

@@ -26,6 +26,10 @@ import (
 
 const (
 	defaultAccount = uint32(waddrmgr.DefaultAccountNum)
+
+	// UnconfirmedHeight is the special case end height that is used to
+	// obtain unconfirmed transactions from ListTransactionDetails.
+	UnconfirmedHeight int32 = -1
 )
 
 var (
@@ -569,20 +573,22 @@ func unminedTransactionsToDetail(
 }
 
 // ListTransactionDetails returns a list of all transactions which are
-// relevant to the wallet.
+// relevant to the wallet. It takes inclusive start and end height to allow
+// paginated queries. Unconfirmed transactions can be included in the query
+// by providing endHeight = UnconfirmedHeight (= -1).
 //
 // This is a part of the WalletController interface.
-func (b *BtcWallet) ListTransactionDetails() ([]*lnwallet.TransactionDetail, error) {
+func (b *BtcWallet) ListTransactionDetails(startHeight,
+	endHeight int32) ([]*lnwallet.TransactionDetail, error) {
+
 	// Grab the best block the wallet knows of, we'll use this to calculate
 	// # of confirmations shortly below.
 	bestBlock := b.wallet.Manager.SyncedTo()
 	currentHeight := bestBlock.Height
 
-	// We'll attempt to find all unconfirmed transactions (height of -1),
+	// We'll attempt to find all transactions from start to end height.
-	// as well as all transactions that are known to have confirmed at this
+	start := base.NewBlockIdentifierFromHeight(startHeight)
-	// height.
+	stop := base.NewBlockIdentifierFromHeight(endHeight)
-	start := base.NewBlockIdentifierFromHeight(0)
-	stop := base.NewBlockIdentifierFromHeight(-1)
 	txns, err := b.wallet.GetTransactions(start, stop, nil)
 	if err != nil {
 		return nil, err

lnwallet/interface.go

@@ -199,8 +199,14 @@ type WalletController interface {
 	ListUnspentWitness(minconfirms, maxconfirms int32) ([]*Utxo, error)
 
 	// ListTransactionDetails returns a list of all transactions which are
-	// relevant to the wallet.
+	// relevant to the wallet over [startHeight;endHeight]. If start height
-	ListTransactionDetails() ([]*TransactionDetail, error)
+	// is greater than end height, the transactions will be retrieved in
+	// reverse order. To include unconfirmed transactions, endHeight should
+	// be set to the special value -1. This will return transactions from
+	// the tip of the chain until the start height (inclusive) and
+	// unconfirmed transactions.
+	ListTransactionDetails(startHeight,
+		endHeight int32) ([]*TransactionDetail, error)
 
 	// LockOutpoint marks an outpoint as locked meaning it will no longer
 	// be deemed as eligible for coin selection. Locking outputs are

lnwallet/interface_test.go

@@ -206,7 +206,7 @@ func assertTxInWallet(t *testing.T, w *lnwallet.LightningWallet,
 	// We'll fetch all of our transaction and go through each one until
 	// finding the expected transaction with its expected confirmation
 	// status.
-	txs, err := w.ListTransactionDetails()
+	txs, err := w.ListTransactionDetails(0, btcwallet.UnconfirmedHeight)
 	if err != nil {
 		t.Fatalf("unable to retrieve transactions: %v", err)
 	}
@@ -1101,6 +1101,12 @@ func testListTransactionDetails(miner *rpctest.Harness,
 		txids[*txid] = struct{}{}
 	}
 
+	// Get the miner's current best block height before we mine blocks.
+	_, startHeight, err := miner.Node.GetBestBlock()
+	if err != nil {
+		t.Fatalf("cannot get best block: %v", err)
+	}
+
 	// Generate 10 blocks to mine all the transactions created above.
 	const numBlocksMined = 10
 	blocks, err := miner.Node.Generate(numBlocksMined)
@@ -1108,12 +1114,22 @@ func testListTransactionDetails(miner *rpctest.Harness,
 		t.Fatalf("unable to mine blocks: %v", err)
 	}
 
-	// Next, fetch all the current transaction details.
+	// Our new best block height should be our start height + the number of
+	// blocks we just mined.
+	chainTip := startHeight + numBlocksMined
+
+	// Next, fetch all the current transaction details. We should find all
+	// of our transactions between our start height before we generated
+	// blocks, and our end height, which is the chain tip. This query does
+	// not include unconfirmed transactions, since all of our transactions
+	// should be confirmed.
 	err = waitForWalletSync(miner, alice)
 	if err != nil {
 		t.Fatalf("Couldn't sync Alice's wallet: %v", err)
 	}
-	txDetails, err := alice.ListTransactionDetails()
+	txDetails, err := alice.ListTransactionDetails(
+		startHeight, chainTip,
+	)
 	if err != nil {
 		t.Fatalf("unable to fetch tx details: %v", err)
 	}
@@ -1219,10 +1235,13 @@ func testListTransactionDetails(miner *rpctest.Harness,
 		t.Fatalf("Couldn't sync Alice's wallet: %v", err)
 	}
 
-	// We should be able to find the transaction above in the set of
+	// Query our wallet for transactions from the chain tip, including
-	// returned transactions, and it should have a confirmation of -1,
+	// unconfirmed transactions. The transaction above should be included
-	// indicating that it's not yet mined.
+	// with a confirmation height of 0, indicating that it has not been
-	txDetails, err = alice.ListTransactionDetails()
+	// mined yet.
+	txDetails, err = alice.ListTransactionDetails(
+		chainTip, btcwallet.UnconfirmedHeight,
+	)
 	if err != nil {
 		t.Fatalf("unable to fetch tx details: %v", err)
 	}
@@ -1259,18 +1278,27 @@ func testListTransactionDetails(miner *rpctest.Harness,
 		t.Fatalf("unable to find mempool tx in tx details!")
 	}
 
-	burnBlock, err := miner.Node.Generate(1)
+	// Generate one block for our transaction to confirm in.
+	var numBlocks int32 = 1
+	burnBlock, err := miner.Node.Generate(uint32(numBlocks))
 	if err != nil {
 		t.Fatalf("unable to mine block: %v", err)
 	}
 
+	// Progress our chain tip by the number of blocks we have just mined.
+	chainTip += numBlocks
+
 	// Fetch the transaction details again, the new transaction should be
-	// shown as debiting from the wallet's balance.
+	// shown as debiting from the wallet's balance. Start and end height
+	// are inclusive, so we use chainTip for both parameters to get only
+	// transactions from the last block.
 	err = waitForWalletSync(miner, alice)
 	if err != nil {
 		t.Fatalf("Couldn't sync Alice's wallet: %v", err)
 	}
-	txDetails, err = alice.ListTransactionDetails()
+	txDetails, err = alice.ListTransactionDetails(
+		chainTip, chainTip,
+	)
 	if err != nil {
 		t.Fatalf("unable to fetch tx details: %v", err)
 	}
@@ -1302,6 +1330,30 @@ func testListTransactionDetails(miner *rpctest.Harness,
 	if !burnTxFound {
 		t.Fatal("tx burning btc not found")
 	}
+
+	// Generate a block which has no wallet transactions in it.
+	chainTip += numBlocks
+	_, err = miner.Node.Generate(uint32(numBlocks))
+	if err != nil {
+		t.Fatalf("unable to mine block: %v", err)
+	}
+
+	err = waitForWalletSync(miner, alice)
+	if err != nil {
+		t.Fatalf("Couldn't sync Alice's wallet: %v", err)
+	}
+
+	// Query for transactions only in the latest block. We do not expect
+	// any transactions to be returned.
+	txDetails, err = alice.ListTransactionDetails(
+		chainTip, chainTip,
+	)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if len(txDetails) != 0 {
+		t.Fatalf("expected 0 transactions, got: %v", len(txDetails))
+	}
 }
 
 func testTransactionSubscriptions(miner *rpctest.Harness,

mock.go

@@ -313,7 +313,7 @@ func (m *mockWalletController) ListUnspentWitness(minconfirms,
 	ret = append(ret, utxo)
 	return ret, nil
 }
-func (*mockWalletController) ListTransactionDetails() ([]*lnwallet.TransactionDetail, error) {
+func (*mockWalletController) ListTransactionDetails(_, _ int32) ([]*lnwallet.TransactionDetail, error) {
 	return nil, nil
 }
 func (*mockWalletController) LockOutpoint(o wire.OutPoint)   {}

rpcserver.go

@@ -50,6 +50,7 @@ import (
 	"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
 	"github.com/lightningnetwork/lnd/lntypes"
 	"github.com/lightningnetwork/lnd/lnwallet"
+	"github.com/lightningnetwork/lnd/lnwallet/btcwallet"
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
 	"github.com/lightningnetwork/lnd/lnwallet/chanfunding"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -4548,44 +4549,26 @@ func (r *rpcServer) SubscribeTransactions(req *lnrpc.GetTransactionsRequest,
 // GetTransactions returns a list of describing all the known transactions
 // relevant to the wallet.
 func (r *rpcServer) GetTransactions(ctx context.Context,
-	_ *lnrpc.GetTransactionsRequest) (*lnrpc.TransactionDetails, error) {
+	req *lnrpc.GetTransactionsRequest) (*lnrpc.TransactionDetails, error) {
 
-	// TODO(roasbeef): add pagination support
+	// To remain backwards compatible with the old api, default to the
-	transactions, err := r.server.cc.wallet.ListTransactionDetails()
+	// special case end height which will return transactions from the start
+	// height until the chain tip, including unconfirmed transactions.
+	var endHeight int32 = btcwallet.UnconfirmedHeight
+
+	// If the user has provided an end height, we overwrite our default.
+	if req.EndHeight != 0 {
+		endHeight = req.EndHeight
+	}
+
+	transactions, err := r.server.cc.wallet.ListTransactionDetails(
+		req.StartHeight, endHeight,
+	)
 	if err != nil {
 		return nil, err
 	}
 
-	txDetails := &lnrpc.TransactionDetails{
+	return lnrpc.RPCTransactionDetails(transactions), nil
-		Transactions: make([]*lnrpc.Transaction, len(transactions)),
-	}
-	for i, tx := range transactions {
-		var destAddresses []string
-		for _, destAddress := range tx.DestAddresses {
-			destAddresses = append(destAddresses, destAddress.EncodeAddress())
-		}
-
-		// We also get unconfirmed transactions, so BlockHash can be
-		// nil.
-		blockHash := ""
-		if tx.BlockHash != nil {
-			blockHash = tx.BlockHash.String()
-		}
-
-		txDetails.Transactions[i] = &lnrpc.Transaction{
-			TxHash:           tx.Hash.String(),
-			Amount:           int64(tx.Value),
-			NumConfirmations: tx.NumConfirmations,
-			BlockHash:        blockHash,
-			BlockHeight:      tx.BlockHeight,
-			TimeStamp:        tx.Timestamp,
-			TotalFees:        tx.TotalFees,
-			DestAddresses:    destAddresses,
-			RawTxHex:         hex.EncodeToString(tx.RawTx),
-		}
-	}
-
-	return txDetails, nil
 }
 
 // DescribeGraph returns a description of the latest graph state from the PoV

sweep/store.go

@@ -39,6 +39,8 @@ var (
 	utxnFinalizedKndrTxnKey = []byte("finalized-kndr-txn")
 
 	byteOrder = binary.BigEndian
+
+	errNoTxHashesBucket = errors.New("tx hashes bucket does not exist")
 )
 
 // SweeperStore stores published txes.
@@ -53,6 +55,9 @@ type SweeperStore interface {
 	// GetLastPublishedTx returns the last tx that we called NotifyPublishTx
 	// for.
 	GetLastPublishedTx() (*wire.MsgTx, error)
+
+	// ListSweeps lists all the sweeps we have successfully published.
+	ListSweeps() ([]chainhash.Hash, error)
 }
 
 type sweeperStore struct {
@@ -173,7 +178,7 @@ func (s *sweeperStore) NotifyPublishTx(sweepTx *wire.MsgTx) error {
 
 		txHashesBucket := tx.ReadWriteBucket(txHashesBucketKey)
 		if txHashesBucket == nil {
-			return errors.New("tx hashes bucket does not exist")
+			return errNoTxHashesBucket
 		}
 
 		var b bytes.Buffer
@@ -230,7 +235,7 @@ func (s *sweeperStore) IsOurTx(hash chainhash.Hash) (bool, error) {
 	err := kvdb.View(s.db, func(tx kvdb.ReadTx) error {
 		txHashesBucket := tx.ReadBucket(txHashesBucketKey)
 		if txHashesBucket == nil {
-			return errors.New("tx hashes bucket does not exist")
+			return errNoTxHashesBucket
 		}
 
 		ours = txHashesBucket.Get(hash[:]) != nil
@@ -244,5 +249,32 @@ func (s *sweeperStore) IsOurTx(hash chainhash.Hash) (bool, error) {
 	return ours, nil
 }
 
+// ListSweeps lists all the sweep transactions we have in the sweeper store.
+func (s *sweeperStore) ListSweeps() ([]chainhash.Hash, error) {
+	var sweepTxns []chainhash.Hash
+
+	if err := kvdb.View(s.db, func(tx kvdb.ReadTx) error {
+		txHashesBucket := tx.ReadBucket(txHashesBucketKey)
+		if txHashesBucket == nil {
+			return errNoTxHashesBucket
+		}
+
+		return txHashesBucket.ForEach(func(resKey, _ []byte) error {
+			txid, err := chainhash.NewHash(resKey)
+			if err != nil {
+				return err
+			}
+
+			sweepTxns = append(sweepTxns, *txid)
+
+			return nil
+		})
+	}); err != nil {
+		return nil, err
+	}
+
+	return sweepTxns, nil
+}
+
 // Compile-time constraint to ensure sweeperStore implements SweeperStore.
 var _ SweeperStore = (*sweeperStore)(nil)

sweep/store_mock.go

@@ -41,5 +41,15 @@ func (s *MockSweeperStore) GetLastPublishedTx() (*wire.MsgTx, error) {
 	return s.lastTx, nil
 }
 
+// ListSweeps lists all the sweeps we have successfully published.
+func (s *MockSweeperStore) ListSweeps() ([]chainhash.Hash, error) {
+	var txns []chainhash.Hash
+	for tx := range s.ourTxes {
+		txns = append(txns, tx)
+	}
+
+	return txns, nil
+}
+
 // Compile-time constraint to ensure MockSweeperStore implements SweeperStore.
 var _ SweeperStore = (*MockSweeperStore)(nil)

sweep/store_test.go

@@ -150,4 +150,28 @@ func testStore(t *testing.T, createStore func() (SweeperStore, error)) {
 	if ours {
 		t.Fatal("expected tx to be not ours")
 	}
+
+	txns, err := store.ListSweeps()
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	// Create a map containing the sweeps we expect to be returned by list
+	// sweeps.
+	expected := map[chainhash.Hash]bool{
+		tx1.TxHash(): true,
+		tx2.TxHash(): true,
+	}
+
+	if len(txns) != len(expected) {
+		t.Fatalf("expected: %v sweeps, got: %v", len(expected),
+			len(txns))
+	}
+
+	for _, tx := range txns {
+		_, ok := expected[tx]
+		if !ok {
+			t.Fatalf("unexpected tx: %v", tx)
+		}
+	}
 }

sweep/sweeper.go

@@ -9,6 +9,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	"github.com/davecgh/go-spew/spew"
@@ -1262,6 +1263,11 @@ func DefaultNextAttemptDeltaFunc(attempts int) int32 {
 	return 1 + rand.Int31n(1<<uint(attempts-1))
 }
 
+// ListSweeps returns a list of the the sweeps recorded by the sweep store.
+func (s *UtxoSweeper) ListSweeps() ([]chainhash.Hash, error) {
+	return s.cfg.Store.ListSweeps()
+}
+
 // init initializes the random generator for random input rescheduling.
 func init() {
 	rand.Seed(time.Now().Unix())