diff --git a/go.mod b/go.mod
index 0e35ef036..d121721ba 100644
--- a/go.mod
+++ b/go.mod
@@ -9,11 +9,11 @@ require (
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/btcsuite/btcutil/psbt v1.0.2
-	github.com/btcsuite/btcwallet v0.11.1-0.20200515224913-e0e62245ecbe
+	github.com/btcsuite/btcwallet v0.11.1-0.20200604005347-6390f167e5f8
 	github.com/btcsuite/btcwallet/wallet/txauthor v1.0.0
 	github.com/btcsuite/btcwallet/wallet/txrules v1.0.0
 	github.com/btcsuite/btcwallet/walletdb v1.3.1
-	github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200515224913-e0e62245ecbe
+	github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200604005347-6390f167e5f8
 	github.com/coreos/etcd v3.3.22+incompatible
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
@@ -49,7 +49,7 @@ require (
 	github.com/lightninglabs/protobuf-hex-display v1.3.3-0.20191212020323-b444784ce75d
 	github.com/lightningnetwork/lightning-onion v1.0.2-0.20200501022730-3c8c8d0b89ea
 	github.com/lightningnetwork/lnd/cert v1.0.2
-	github.com/lightningnetwork/lnd/clock v1.0.0
+	github.com/lightningnetwork/lnd/clock v1.0.1
 	github.com/lightningnetwork/lnd/queue v1.0.4
 	github.com/lightningnetwork/lnd/ticker v1.0.0
 	github.com/ltcsuite/ltcd v0.0.0-20190101042124-f37f8bf35796
@@ -59,7 +59,7 @@ require (
 	github.com/prometheus/client_golang v0.9.3
 	github.com/rogpeppe/fastuuid v1.2.0 // indirect
 	github.com/soheilhy/cmux v0.1.4 // indirect
-	github.com/stretchr/testify v1.4.0
+	github.com/stretchr/testify v1.5.1
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
 	github.com/tv42/zbase32 v0.0.0-20160707012821-501572607d02
 	github.com/urfave/cli v1.18.0
diff --git a/go.sum b/go.sum
index f22e2071e..3d2883991 100644
--- a/go.sum
+++ b/go.sum
@@ -36,8 +36,8 @@ github.com/btcsuite/btcutil v1.0.2 h1:9iZ1Terx9fMIOtq1VrwdqfsATL9MC2l8ZrUY6YZ2ut
 github.com/btcsuite/btcutil v1.0.2/go.mod h1:j9HUFwoQRsZL3V4n+qG+CUnEGHOarIxfC3Le2Yhbcts=
 github.com/btcsuite/btcutil/psbt v1.0.2 h1:gCVY3KxdoEVU7Q6TjusPO+GANIwVgr9yTLqM+a6CZr8=
 github.com/btcsuite/btcutil/psbt v1.0.2/go.mod h1:LVveMu4VaNSkIRTZu2+ut0HDBRuYjqGocxDMNS1KuGQ=
-github.com/btcsuite/btcwallet v0.11.1-0.20200515224913-e0e62245ecbe h1:0m9uXDcnUc3Fv72635O/MfLbhbW+0hfSVgRiWezpkHU=
-github.com/btcsuite/btcwallet v0.11.1-0.20200515224913-e0e62245ecbe/go.mod h1:9+AH3V5mcTtNXTKe+fe63fDLKGOwQbZqmvOVUef+JFE=
+github.com/btcsuite/btcwallet v0.11.1-0.20200604005347-6390f167e5f8 h1:wyooGuOeqcpJDK9+KgO5/yfb3nmEhakbdKHERhEylNE=
+github.com/btcsuite/btcwallet v0.11.1-0.20200604005347-6390f167e5f8/go.mod h1:9+AH3V5mcTtNXTKe+fe63fDLKGOwQbZqmvOVUef+JFE=
 github.com/btcsuite/btcwallet/wallet/txauthor v1.0.0 h1:KGHMW5sd7yDdDMkCZ/JpP0KltolFsQcB973brBnfj4c=
 github.com/btcsuite/btcwallet/wallet/txauthor v1.0.0/go.mod h1:VufDts7bd/zs3GV13f/lXc/0lXrPnvxD/NvmpG/FEKU=
 github.com/btcsuite/btcwallet/wallet/txrules v1.0.0 h1:2VsfS0sBedcM5KmDzRMT3+b6xobqWveZGvjb+jFez5w=
@@ -48,10 +48,9 @@ github.com/btcsuite/btcwallet/walletdb v1.0.0/go.mod h1:bZTy9RyYZh9fLnSua+/CD48T
 github.com/btcsuite/btcwallet/walletdb v1.2.0/go.mod h1:9cwc1Yyg4uvd4ZdfdoMnALji+V9gfWSMfxEdLdR5Vwc=
 github.com/btcsuite/btcwallet/walletdb v1.3.1 h1:lW1Ac3F1jJY4K11P+YQtRNcP5jFk27ASfrV7C6mvRU0=
 github.com/btcsuite/btcwallet/walletdb v1.3.1/go.mod h1:9cwc1Yyg4uvd4ZdfdoMnALji+V9gfWSMfxEdLdR5Vwc=
-github.com/btcsuite/btcwallet/wtxmgr v1.0.0 h1:aIHgViEmZmZfe0tQQqF1xyd2qBqFWxX5vZXkkbjtbeA=
 github.com/btcsuite/btcwallet/wtxmgr v1.0.0/go.mod h1:vc4gBprll6BP0UJ+AIGDaySoc7MdAmZf8kelfNb8CFY=
-github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200515224913-e0e62245ecbe h1:yQbJVYfsKbdqDQNLxd4hhiLSiMkIygefW5mSHMsdKpc=
-github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200515224913-e0e62245ecbe/go.mod h1:OwC0W0HhUszbWdvJvH6xvgabKSJ0lXl11YbmmqF9YXQ=
+github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200604005347-6390f167e5f8 h1:tfeGHvGrm5nYE92eaO8PChBvMinpcq566dG1xPO08GI=
+github.com/btcsuite/btcwallet/wtxmgr v1.1.1-0.20200604005347-6390f167e5f8/go.mod h1:cJGqxXtqQbmXuL7RlXjIM18x0bGHy1407/85mQCLca4=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd h1:R/opQEbFEy9JGkIguV40SvRY1uliPX8ifOvi6ICsFCw=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
 github.com/btcsuite/golangcrypto v0.0.0-20150304025918-53f62d9b43e8 h1:nOsAWScwueMVk/VLm/dvQQD7DuanyvAUb6B3P3eT274=
@@ -246,6 +245,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
diff --git a/lnrpc/marshall_utils.go b/lnrpc/marshall_utils.go
index 937dee067..d0e501160 100644
--- a/lnrpc/marshall_utils.go
+++ b/lnrpc/marshall_utils.go
@@ -1,9 +1,14 @@
 package lnrpc
 
 import (
+	"encoding/hex"
 	"errors"
+	fmt "fmt"
 
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcutil"
+	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwire"
 )
 
@@ -54,3 +59,88 @@ func UnmarshallAmt(amtSat, amtMsat int64) (lnwire.MilliSatoshi, error) {
 
 	return lnwire.MilliSatoshi(amtMsat), nil
 }
+
+// ParseConfs validates the minimum and maximum confirmation arguments of a
+// ListUnspent request.
+func ParseConfs(min, max int32) (int32, int32, error) {
+	switch {
+	// Ensure that the user didn't attempt to specify a negative number of
+	// confirmations, as that isn't possible.
+	case min < 0:
+		return 0, 0, fmt.Errorf("min confirmations must be >= 0")
+
+	// We'll also ensure that the min number of confs is strictly less than
+	// or equal to the max number of confs for sanity.
+	case min > max:
+		return 0, 0, fmt.Errorf("max confirmations must be >= min " +
+			"confirmations")
+
+	default:
+		return min, max, nil
+	}
+}
+
+// MarshalUtxos translates a []*lnwallet.Utxo into a []*lnrpc.Utxo.
+func MarshalUtxos(utxos []*lnwallet.Utxo, activeNetParams *chaincfg.Params) (
+	[]*Utxo, error) {
+
+	res := make([]*Utxo, 0, len(utxos))
+	for _, utxo := range utxos {
+		// Translate lnwallet address type to the proper gRPC proto
+		// address type.
+		var addrType AddressType
+		switch utxo.AddressType {
+
+		case lnwallet.WitnessPubKey:
+			addrType = AddressType_WITNESS_PUBKEY_HASH
+
+		case lnwallet.NestedWitnessPubKey:
+			addrType = AddressType_NESTED_PUBKEY_HASH
+
+		case lnwallet.UnknownAddressType:
+			continue
+
+		default:
+			return nil, fmt.Errorf("invalid utxo address type")
+		}
+
+		// Now that we know we have a proper mapping to an address,
+		// we'll convert the regular outpoint to an lnrpc variant.
+		outpoint := &OutPoint{
+			TxidBytes:   utxo.OutPoint.Hash[:],
+			TxidStr:     utxo.OutPoint.Hash.String(),
+			OutputIndex: utxo.OutPoint.Index,
+		}
+
+		utxoResp := Utxo{
+			AddressType:   addrType,
+			AmountSat:     int64(utxo.Value),
+			PkScript:      hex.EncodeToString(utxo.PkScript),
+			Outpoint:      outpoint,
+			Confirmations: utxo.Confirmations,
+		}
+
+		// Finally, we'll attempt to extract the raw address from the
+		// script so we can display a human friendly address to the end
+		// user.
+		_, outAddresses, _, err := txscript.ExtractPkScriptAddrs(
+			utxo.PkScript, activeNetParams,
+		)
+		if err != nil {
+			return nil, err
+		}
+
+		// If we can't properly locate a single address, then this was
+		// an error in our mapping, and we'll return an error back to
+		// the user.
+		if len(outAddresses) != 1 {
+			return nil, fmt.Errorf("an output was unexpectedly " +
+				"multisig")
+		}
+		utxoResp.Address = outAddresses[0].String()
+
+		res = append(res, &utxoResp)
+	}
+
+	return res, nil
+}
diff --git a/lnrpc/rpc.pb.go b/lnrpc/rpc.pb.go
index e4fc8fbeb..ee532aefd 100644
--- a/lnrpc/rpc.pb.go
+++ b/lnrpc/rpc.pb.go
@@ -12407,6 +12407,8 @@ type LightningClient interface {
 	//target.
 	SendCoins(ctx context.Context, in *SendCoinsRequest, opts ...grpc.CallOption) (*SendCoinsResponse, error)
 	// lncli: `listunspent`
+	//Deprecated, use walletrpc.ListUnspent instead.
+	//
 	//ListUnspent returns a list of all utxos spendable by the wallet with a
 	//number of confirmations between the specified minimum and maximum.
 	ListUnspent(ctx context.Context, in *ListUnspentRequest, opts ...grpc.CallOption) (*ListUnspentResponse, error)
@@ -13486,6 +13488,8 @@ type LightningServer interface {
 	//target.
 	SendCoins(context.Context, *SendCoinsRequest) (*SendCoinsResponse, error)
 	// lncli: `listunspent`
+	//Deprecated, use walletrpc.ListUnspent instead.
+	//
 	//ListUnspent returns a list of all utxos spendable by the wallet with a
 	//number of confirmations between the specified minimum and maximum.
 	ListUnspent(context.Context, *ListUnspentRequest) (*ListUnspentResponse, error)
diff --git a/lnrpc/rpc.proto b/lnrpc/rpc.proto
index ec17c2399..38203147f 100644
--- a/lnrpc/rpc.proto
+++ b/lnrpc/rpc.proto
@@ -83,8 +83,10 @@ service Lightning {
     }
 
     /* lncli: `listunspent`
+    Deprecated, use walletrpc.ListUnspent instead.
+
     ListUnspent returns a list of all utxos spendable by the wallet with a
-        number of confirmations between the specified minimum and maximum.
+    number of confirmations between the specified minimum and maximum.
     */
     rpc ListUnspent (ListUnspentRequest) returns (ListUnspentResponse) {
         option (google.api.http) = {
diff --git a/lnrpc/rpc.swagger.json b/lnrpc/rpc.swagger.json
index b9e421e89..41651f041 100644
--- a/lnrpc/rpc.swagger.json
+++ b/lnrpc/rpc.swagger.json
@@ -1363,7 +1363,8 @@
     },
     "/v1/utxos": {
       "get": {
-        "summary": "lncli: `listunspent`\nListUnspent returns a list of all utxos spendable by the wallet with a\nnumber of confirmations between the specified minimum and maximum.",
+        "summary": "lncli: `listunspent`\nDeprecated, use walletrpc.ListUnspent instead.",
+        "description": "ListUnspent returns a list of all utxos spendable by the wallet with a\nnumber of confirmations between the specified minimum and maximum.",
         "operationId": "ListUnspent",
         "responses": {
           "200": {
diff --git a/lnrpc/walletrpc/config_active.go b/lnrpc/walletrpc/config_active.go
index aada57dcd..103e533b7 100644
--- a/lnrpc/walletrpc/config_active.go
+++ b/lnrpc/walletrpc/config_active.go
@@ -3,6 +3,7 @@
 package walletrpc
 
 import (
+	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/lightningnetwork/lnd/keychain"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
@@ -48,4 +49,7 @@ type Config struct {
 	// Chain is an interface that the WalletKit will use to determine state
 	// about the backing chain of the wallet.
 	Chain lnwallet.BlockChainIO
+
+	// ChainParams are the parameters of the wallet's backing chain.
+	ChainParams *chaincfg.Params
 }
diff --git a/lnrpc/walletrpc/walletkit.pb.go b/lnrpc/walletrpc/walletkit.pb.go
index 721a6a56f..f775681f5 100644
--- a/lnrpc/walletrpc/walletkit.pb.go
+++ b/lnrpc/walletrpc/walletkit.pb.go
@@ -132,6 +132,267 @@ func (WitnessType) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_6cc6942ac78249e5, []int{0}
 }
 
+type ListUnspentRequest struct {
+	// The minimum number of confirmations to be included.
+	MinConfs int32 `protobuf:"varint,1,opt,name=min_confs,json=minConfs,proto3" json:"min_confs,omitempty"`
+	// The maximum number of confirmations to be included.
+	MaxConfs             int32    `protobuf:"varint,2,opt,name=max_confs,json=maxConfs,proto3" json:"max_confs,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ListUnspentRequest) Reset()         { *m = ListUnspentRequest{} }
+func (m *ListUnspentRequest) String() string { return proto.CompactTextString(m) }
+func (*ListUnspentRequest) ProtoMessage()    {}
+func (*ListUnspentRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{0}
+}
+
+func (m *ListUnspentRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListUnspentRequest.Unmarshal(m, b)
+}
+func (m *ListUnspentRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListUnspentRequest.Marshal(b, m, deterministic)
+}
+func (m *ListUnspentRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListUnspentRequest.Merge(m, src)
+}
+func (m *ListUnspentRequest) XXX_Size() int {
+	return xxx_messageInfo_ListUnspentRequest.Size(m)
+}
+func (m *ListUnspentRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListUnspentRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListUnspentRequest proto.InternalMessageInfo
+
+func (m *ListUnspentRequest) GetMinConfs() int32 {
+	if m != nil {
+		return m.MinConfs
+	}
+	return 0
+}
+
+func (m *ListUnspentRequest) GetMaxConfs() int32 {
+	if m != nil {
+		return m.MaxConfs
+	}
+	return 0
+}
+
+type ListUnspentResponse struct {
+	// A list of utxos satisfying the specified number of confirmations.
+	Utxos                []*lnrpc.Utxo `protobuf:"bytes,1,rep,name=utxos,proto3" json:"utxos,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
+	XXX_unrecognized     []byte        `json:"-"`
+	XXX_sizecache        int32         `json:"-"`
+}
+
+func (m *ListUnspentResponse) Reset()         { *m = ListUnspentResponse{} }
+func (m *ListUnspentResponse) String() string { return proto.CompactTextString(m) }
+func (*ListUnspentResponse) ProtoMessage()    {}
+func (*ListUnspentResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{1}
+}
+
+func (m *ListUnspentResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListUnspentResponse.Unmarshal(m, b)
+}
+func (m *ListUnspentResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListUnspentResponse.Marshal(b, m, deterministic)
+}
+func (m *ListUnspentResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListUnspentResponse.Merge(m, src)
+}
+func (m *ListUnspentResponse) XXX_Size() int {
+	return xxx_messageInfo_ListUnspentResponse.Size(m)
+}
+func (m *ListUnspentResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListUnspentResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListUnspentResponse proto.InternalMessageInfo
+
+func (m *ListUnspentResponse) GetUtxos() []*lnrpc.Utxo {
+	if m != nil {
+		return m.Utxos
+	}
+	return nil
+}
+
+type LeaseOutputRequest struct {
+	//
+	//An ID of 32 random bytes that must be unique for each distinct application
+	//using this RPC which will be used to bound the output lease to.
+	Id []byte `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// The identifying outpoint of the output being leased.
+	Outpoint             *lnrpc.OutPoint `protobuf:"bytes,2,opt,name=outpoint,proto3" json:"outpoint,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *LeaseOutputRequest) Reset()         { *m = LeaseOutputRequest{} }
+func (m *LeaseOutputRequest) String() string { return proto.CompactTextString(m) }
+func (*LeaseOutputRequest) ProtoMessage()    {}
+func (*LeaseOutputRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{2}
+}
+
+func (m *LeaseOutputRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LeaseOutputRequest.Unmarshal(m, b)
+}
+func (m *LeaseOutputRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LeaseOutputRequest.Marshal(b, m, deterministic)
+}
+func (m *LeaseOutputRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LeaseOutputRequest.Merge(m, src)
+}
+func (m *LeaseOutputRequest) XXX_Size() int {
+	return xxx_messageInfo_LeaseOutputRequest.Size(m)
+}
+func (m *LeaseOutputRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_LeaseOutputRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LeaseOutputRequest proto.InternalMessageInfo
+
+func (m *LeaseOutputRequest) GetId() []byte {
+	if m != nil {
+		return m.Id
+	}
+	return nil
+}
+
+func (m *LeaseOutputRequest) GetOutpoint() *lnrpc.OutPoint {
+	if m != nil {
+		return m.Outpoint
+	}
+	return nil
+}
+
+type LeaseOutputResponse struct {
+	//
+	//The absolute expiration of the output lease represented as a unix timestamp.
+	Expiration           uint64   `protobuf:"varint,1,opt,name=expiration,proto3" json:"expiration,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LeaseOutputResponse) Reset()         { *m = LeaseOutputResponse{} }
+func (m *LeaseOutputResponse) String() string { return proto.CompactTextString(m) }
+func (*LeaseOutputResponse) ProtoMessage()    {}
+func (*LeaseOutputResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{3}
+}
+
+func (m *LeaseOutputResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LeaseOutputResponse.Unmarshal(m, b)
+}
+func (m *LeaseOutputResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LeaseOutputResponse.Marshal(b, m, deterministic)
+}
+func (m *LeaseOutputResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LeaseOutputResponse.Merge(m, src)
+}
+func (m *LeaseOutputResponse) XXX_Size() int {
+	return xxx_messageInfo_LeaseOutputResponse.Size(m)
+}
+func (m *LeaseOutputResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_LeaseOutputResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LeaseOutputResponse proto.InternalMessageInfo
+
+func (m *LeaseOutputResponse) GetExpiration() uint64 {
+	if m != nil {
+		return m.Expiration
+	}
+	return 0
+}
+
+type ReleaseOutputRequest struct {
+	// The unique ID that was used to lock the output.
+	Id []byte `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// The identifying outpoint of the output being released.
+	Outpoint             *lnrpc.OutPoint `protobuf:"bytes,2,opt,name=outpoint,proto3" json:"outpoint,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *ReleaseOutputRequest) Reset()         { *m = ReleaseOutputRequest{} }
+func (m *ReleaseOutputRequest) String() string { return proto.CompactTextString(m) }
+func (*ReleaseOutputRequest) ProtoMessage()    {}
+func (*ReleaseOutputRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{4}
+}
+
+func (m *ReleaseOutputRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ReleaseOutputRequest.Unmarshal(m, b)
+}
+func (m *ReleaseOutputRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ReleaseOutputRequest.Marshal(b, m, deterministic)
+}
+func (m *ReleaseOutputRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReleaseOutputRequest.Merge(m, src)
+}
+func (m *ReleaseOutputRequest) XXX_Size() int {
+	return xxx_messageInfo_ReleaseOutputRequest.Size(m)
+}
+func (m *ReleaseOutputRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ReleaseOutputRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ReleaseOutputRequest proto.InternalMessageInfo
+
+func (m *ReleaseOutputRequest) GetId() []byte {
+	if m != nil {
+		return m.Id
+	}
+	return nil
+}
+
+func (m *ReleaseOutputRequest) GetOutpoint() *lnrpc.OutPoint {
+	if m != nil {
+		return m.Outpoint
+	}
+	return nil
+}
+
+type ReleaseOutputResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ReleaseOutputResponse) Reset()         { *m = ReleaseOutputResponse{} }
+func (m *ReleaseOutputResponse) String() string { return proto.CompactTextString(m) }
+func (*ReleaseOutputResponse) ProtoMessage()    {}
+func (*ReleaseOutputResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6cc6942ac78249e5, []int{5}
+}
+
+func (m *ReleaseOutputResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ReleaseOutputResponse.Unmarshal(m, b)
+}
+func (m *ReleaseOutputResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ReleaseOutputResponse.Marshal(b, m, deterministic)
+}
+func (m *ReleaseOutputResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReleaseOutputResponse.Merge(m, src)
+}
+func (m *ReleaseOutputResponse) XXX_Size() int {
+	return xxx_messageInfo_ReleaseOutputResponse.Size(m)
+}
+func (m *ReleaseOutputResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ReleaseOutputResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ReleaseOutputResponse proto.InternalMessageInfo
+
 type KeyReq struct {
 	//
 	//Is the key finger print of the root pubkey that this request is targeting.
@@ -151,7 +412,7 @@ func (m *KeyReq) Reset()         { *m = KeyReq{} }
 func (m *KeyReq) String() string { return proto.CompactTextString(m) }
 func (*KeyReq) ProtoMessage()    {}
 func (*KeyReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{0}
+	return fileDescriptor_6cc6942ac78249e5, []int{6}
 }
 
 func (m *KeyReq) XXX_Unmarshal(b []byte) error {
@@ -196,7 +457,7 @@ func (m *AddrRequest) Reset()         { *m = AddrRequest{} }
 func (m *AddrRequest) String() string { return proto.CompactTextString(m) }
 func (*AddrRequest) ProtoMessage()    {}
 func (*AddrRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{1}
+	return fileDescriptor_6cc6942ac78249e5, []int{7}
 }
 
 func (m *AddrRequest) XXX_Unmarshal(b []byte) error {
@@ -230,7 +491,7 @@ func (m *AddrResponse) Reset()         { *m = AddrResponse{} }
 func (m *AddrResponse) String() string { return proto.CompactTextString(m) }
 func (*AddrResponse) ProtoMessage()    {}
 func (*AddrResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{2}
+	return fileDescriptor_6cc6942ac78249e5, []int{8}
 }
 
 func (m *AddrResponse) XXX_Unmarshal(b []byte) error {
@@ -274,7 +535,7 @@ func (m *Transaction) Reset()         { *m = Transaction{} }
 func (m *Transaction) String() string { return proto.CompactTextString(m) }
 func (*Transaction) ProtoMessage()    {}
 func (*Transaction) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{3}
+	return fileDescriptor_6cc6942ac78249e5, []int{9}
 }
 
 func (m *Transaction) XXX_Unmarshal(b []byte) error {
@@ -326,7 +587,7 @@ func (m *PublishResponse) Reset()         { *m = PublishResponse{} }
 func (m *PublishResponse) String() string { return proto.CompactTextString(m) }
 func (*PublishResponse) ProtoMessage()    {}
 func (*PublishResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{4}
+	return fileDescriptor_6cc6942ac78249e5, []int{10}
 }
 
 func (m *PublishResponse) XXX_Unmarshal(b []byte) error {
@@ -373,7 +634,7 @@ func (m *SendOutputsRequest) Reset()         { *m = SendOutputsRequest{} }
 func (m *SendOutputsRequest) String() string { return proto.CompactTextString(m) }
 func (*SendOutputsRequest) ProtoMessage()    {}
 func (*SendOutputsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{5}
+	return fileDescriptor_6cc6942ac78249e5, []int{11}
 }
 
 func (m *SendOutputsRequest) XXX_Unmarshal(b []byte) error {
@@ -428,7 +689,7 @@ func (m *SendOutputsResponse) Reset()         { *m = SendOutputsResponse{} }
 func (m *SendOutputsResponse) String() string { return proto.CompactTextString(m) }
 func (*SendOutputsResponse) ProtoMessage()    {}
 func (*SendOutputsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{6}
+	return fileDescriptor_6cc6942ac78249e5, []int{12}
 }
 
 func (m *SendOutputsResponse) XXX_Unmarshal(b []byte) error {
@@ -469,7 +730,7 @@ func (m *EstimateFeeRequest) Reset()         { *m = EstimateFeeRequest{} }
 func (m *EstimateFeeRequest) String() string { return proto.CompactTextString(m) }
 func (*EstimateFeeRequest) ProtoMessage()    {}
 func (*EstimateFeeRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{7}
+	return fileDescriptor_6cc6942ac78249e5, []int{13}
 }
 
 func (m *EstimateFeeRequest) XXX_Unmarshal(b []byte) error {
@@ -511,7 +772,7 @@ func (m *EstimateFeeResponse) Reset()         { *m = EstimateFeeResponse{} }
 func (m *EstimateFeeResponse) String() string { return proto.CompactTextString(m) }
 func (*EstimateFeeResponse) ProtoMessage()    {}
 func (*EstimateFeeResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{8}
+	return fileDescriptor_6cc6942ac78249e5, []int{14}
 }
 
 func (m *EstimateFeeResponse) XXX_Unmarshal(b []byte) error {
@@ -574,7 +835,7 @@ func (m *PendingSweep) Reset()         { *m = PendingSweep{} }
 func (m *PendingSweep) String() string { return proto.CompactTextString(m) }
 func (*PendingSweep) ProtoMessage()    {}
 func (*PendingSweep) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{9}
+	return fileDescriptor_6cc6942ac78249e5, []int{15}
 }
 
 func (m *PendingSweep) XXX_Unmarshal(b []byte) error {
@@ -668,7 +929,7 @@ func (m *PendingSweepsRequest) Reset()         { *m = PendingSweepsRequest{} }
 func (m *PendingSweepsRequest) String() string { return proto.CompactTextString(m) }
 func (*PendingSweepsRequest) ProtoMessage()    {}
 func (*PendingSweepsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{10}
+	return fileDescriptor_6cc6942ac78249e5, []int{16}
 }
 
 func (m *PendingSweepsRequest) XXX_Unmarshal(b []byte) error {
@@ -702,7 +963,7 @@ func (m *PendingSweepsResponse) Reset()         { *m = PendingSweepsResponse{} }
 func (m *PendingSweepsResponse) String() string { return proto.CompactTextString(m) }
 func (*PendingSweepsResponse) ProtoMessage()    {}
 func (*PendingSweepsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{11}
+	return fileDescriptor_6cc6942ac78249e5, []int{17}
 }
 
 func (m *PendingSweepsResponse) XXX_Unmarshal(b []byte) error {
@@ -752,7 +1013,7 @@ func (m *BumpFeeRequest) Reset()         { *m = BumpFeeRequest{} }
 func (m *BumpFeeRequest) String() string { return proto.CompactTextString(m) }
 func (*BumpFeeRequest) ProtoMessage()    {}
 func (*BumpFeeRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{12}
+	return fileDescriptor_6cc6942ac78249e5, []int{18}
 }
 
 func (m *BumpFeeRequest) XXX_Unmarshal(b []byte) error {
@@ -811,7 +1072,7 @@ func (m *BumpFeeResponse) Reset()         { *m = BumpFeeResponse{} }
 func (m *BumpFeeResponse) String() string { return proto.CompactTextString(m) }
 func (*BumpFeeResponse) ProtoMessage()    {}
 func (*BumpFeeResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{13}
+	return fileDescriptor_6cc6942ac78249e5, []int{19}
 }
 
 func (m *BumpFeeResponse) XXX_Unmarshal(b []byte) error {
@@ -846,7 +1107,7 @@ 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}
+	return fileDescriptor_6cc6942ac78249e5, []int{20}
 }
 
 func (m *ListSweepsRequest) XXX_Unmarshal(b []byte) error {
@@ -888,7 +1149,7 @@ 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}
+	return fileDescriptor_6cc6942ac78249e5, []int{21}
 }
 
 func (m *ListSweepsResponse) XXX_Unmarshal(b []byte) error {
@@ -969,7 +1230,7 @@ func (m *ListSweepsResponse_TransactionIDs) Reset()         { *m = ListSweepsRes
 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}
+	return fileDescriptor_6cc6942ac78249e5, []int{21, 0}
 }
 
 func (m *ListSweepsResponse_TransactionIDs) XXX_Unmarshal(b []byte) error {
@@ -1013,7 +1274,7 @@ func (m *LabelTransactionRequest) Reset()         { *m = LabelTransactionRequest
 func (m *LabelTransactionRequest) String() string { return proto.CompactTextString(m) }
 func (*LabelTransactionRequest) ProtoMessage()    {}
 func (*LabelTransactionRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{16}
+	return fileDescriptor_6cc6942ac78249e5, []int{22}
 }
 
 func (m *LabelTransactionRequest) XXX_Unmarshal(b []byte) error {
@@ -1065,7 +1326,7 @@ func (m *LabelTransactionResponse) Reset()         { *m = LabelTransactionRespon
 func (m *LabelTransactionResponse) String() string { return proto.CompactTextString(m) }
 func (*LabelTransactionResponse) ProtoMessage()    {}
 func (*LabelTransactionResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6cc6942ac78249e5, []int{17}
+	return fileDescriptor_6cc6942ac78249e5, []int{23}
 }
 
 func (m *LabelTransactionResponse) XXX_Unmarshal(b []byte) error {
@@ -1088,6 +1349,12 @@ var xxx_messageInfo_LabelTransactionResponse proto.InternalMessageInfo
 
 func init() {
 	proto.RegisterEnum("walletrpc.WitnessType", WitnessType_name, WitnessType_value)
+	proto.RegisterType((*ListUnspentRequest)(nil), "walletrpc.ListUnspentRequest")
+	proto.RegisterType((*ListUnspentResponse)(nil), "walletrpc.ListUnspentResponse")
+	proto.RegisterType((*LeaseOutputRequest)(nil), "walletrpc.LeaseOutputRequest")
+	proto.RegisterType((*LeaseOutputResponse)(nil), "walletrpc.LeaseOutputResponse")
+	proto.RegisterType((*ReleaseOutputRequest)(nil), "walletrpc.ReleaseOutputRequest")
+	proto.RegisterType((*ReleaseOutputResponse)(nil), "walletrpc.ReleaseOutputResponse")
 	proto.RegisterType((*KeyReq)(nil), "walletrpc.KeyReq")
 	proto.RegisterType((*AddrRequest)(nil), "walletrpc.AddrRequest")
 	proto.RegisterType((*AddrResponse)(nil), "walletrpc.AddrResponse")
@@ -1112,86 +1379,97 @@ func init() {
 func init() { proto.RegisterFile("walletrpc/walletkit.proto", fileDescriptor_6cc6942ac78249e5) }
 
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+	0x14, 0x69, 0x07, 0x89, 0xb1, 0x2d, 0xaf, 0x34, 0x31, 0xb6, 0x55, 0xab, 0x8b, 0x0e, 0xd9, 0xd8,
+	0x43, 0x17, 0x2b, 0xf6, 0xaa, 0xa7, 0x31, 0x56, 0xec, 0xd5, 0x6f, 0xe4, 0xcf, 0xb0, 0x15, 0x3e,
+	0x25, 0xe8, 0xb1, 0xa4, 0x1c, 0x7f, 0xf6, 0x62, 0x19, 0x5b, 0x78, 0x79, 0xd0, 0x25, 0xc0, 0x7c,
+	0x86, 0xa3, 0x83, 0x07, 0x46, 0xbb, 0xe0, 0x79, 0xfa, 0xdd, 0xc1, 0x8f, 0x7e, 0x85, 0xfc, 0xe2,
+	0xbc, 0x44, 0xaa, 0x6c, 0xb2, 0x7a, 0x5e, 0x97, 0x5f, 0x7c, 0x57, 0x47, 0x90, 0x9f, 0xff, 0xff,
+	0x97, 0x93, 0x81, 0x4d, 0xef, 0xc6, 0xbd, 0x4a, 0xdf, 0x1d, 0x9d, 0x0c, 0xd9, 0x46, 0xe3, 0xd8,
+	0xce, 0xc0, 0xc1, 0x74, 0xe2, 0x92, 0xfb, 0x93, 0xa1, 0x63, 0x9d, 0xf0, 0xf7, 0xed, 0x24, 0xe2,
+	0xea, 0x25, 0xf9, 0xcf, 0xb3, 0xd7, 0x7f, 0x06, 0x00, 0x00, 0xff, 0xff, 0x01, 0xb2, 0xa4, 0x25,
+	0xe7, 0x0d, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1206,6 +1484,22 @@ const _ = grpc.SupportPackageIsVersion4
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type WalletKitClient interface {
+	//
+	//ListUnspent returns a list of all utxos spendable by the wallet with a
+	//number of confirmations between the specified minimum and maximum.
+	ListUnspent(ctx context.Context, in *ListUnspentRequest, opts ...grpc.CallOption) (*ListUnspentResponse, error)
+	//
+	//LeaseOutput locks an output to the given ID, preventing it from being
+	//available for any future coin selection attempts. The absolute time of the
+	//lock's expiration is returned. The expiration of the lock can be extended by
+	//successive invocations of this RPC. Outputs can be unlocked before their
+	//expiration through `ReleaseOutput`.
+	LeaseOutput(ctx context.Context, in *LeaseOutputRequest, opts ...grpc.CallOption) (*LeaseOutputResponse, error)
+	//
+	//ReleaseOutput unlocks an output, allowing it to be available for coin
+	//selection if it remains unspent. The ID should match the one used to
+	//originally lock the output.
+	ReleaseOutput(ctx context.Context, in *ReleaseOutputRequest, opts ...grpc.CallOption) (*ReleaseOutputResponse, error)
 	//
 	//DeriveNextKey attempts to derive the *next* key within the key family
 	//(account in BIP43) specified. This method should return the next external
@@ -1292,6 +1586,33 @@ func NewWalletKitClient(cc *grpc.ClientConn) WalletKitClient {
 	return &walletKitClient{cc}
 }
 
+func (c *walletKitClient) ListUnspent(ctx context.Context, in *ListUnspentRequest, opts ...grpc.CallOption) (*ListUnspentResponse, error) {
+	out := new(ListUnspentResponse)
+	err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/ListUnspent", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *walletKitClient) LeaseOutput(ctx context.Context, in *LeaseOutputRequest, opts ...grpc.CallOption) (*LeaseOutputResponse, error) {
+	out := new(LeaseOutputResponse)
+	err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/LeaseOutput", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *walletKitClient) ReleaseOutput(ctx context.Context, in *ReleaseOutputRequest, opts ...grpc.CallOption) (*ReleaseOutputResponse, error) {
+	out := new(ReleaseOutputResponse)
+	err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/ReleaseOutput", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *walletKitClient) DeriveNextKey(ctx context.Context, in *KeyReq, opts ...grpc.CallOption) (*signrpc.KeyDescriptor, error) {
 	out := new(signrpc.KeyDescriptor)
 	err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/DeriveNextKey", in, out, opts...)
@@ -1384,6 +1705,22 @@ func (c *walletKitClient) LabelTransaction(ctx context.Context, in *LabelTransac
 
 // WalletKitServer is the server API for WalletKit service.
 type WalletKitServer interface {
+	//
+	//ListUnspent returns a list of all utxos spendable by the wallet with a
+	//number of confirmations between the specified minimum and maximum.
+	ListUnspent(context.Context, *ListUnspentRequest) (*ListUnspentResponse, error)
+	//
+	//LeaseOutput locks an output to the given ID, preventing it from being
+	//available for any future coin selection attempts. The absolute time of the
+	//lock's expiration is returned. The expiration of the lock can be extended by
+	//successive invocations of this RPC. Outputs can be unlocked before their
+	//expiration through `ReleaseOutput`.
+	LeaseOutput(context.Context, *LeaseOutputRequest) (*LeaseOutputResponse, error)
+	//
+	//ReleaseOutput unlocks an output, allowing it to be available for coin
+	//selection if it remains unspent. The ID should match the one used to
+	//originally lock the output.
+	ReleaseOutput(context.Context, *ReleaseOutputRequest) (*ReleaseOutputResponse, error)
 	//
 	//DeriveNextKey attempts to derive the *next* key within the key family
 	//(account in BIP43) specified. This method should return the next external
@@ -1466,6 +1803,60 @@ func RegisterWalletKitServer(s *grpc.Server, srv WalletKitServer) {
 	s.RegisterService(&_WalletKit_serviceDesc, srv)
 }
 
+func _WalletKit_ListUnspent_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListUnspentRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(WalletKitServer).ListUnspent(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/walletrpc.WalletKit/ListUnspent",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(WalletKitServer).ListUnspent(ctx, req.(*ListUnspentRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _WalletKit_LeaseOutput_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LeaseOutputRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(WalletKitServer).LeaseOutput(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/walletrpc.WalletKit/LeaseOutput",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(WalletKitServer).LeaseOutput(ctx, req.(*LeaseOutputRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _WalletKit_ReleaseOutput_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReleaseOutputRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(WalletKitServer).ReleaseOutput(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/walletrpc.WalletKit/ReleaseOutput",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(WalletKitServer).ReleaseOutput(ctx, req.(*ReleaseOutputRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _WalletKit_DeriveNextKey_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(KeyReq)
 	if err := dec(in); err != nil {
@@ -1650,6 +2041,18 @@ var _WalletKit_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "walletrpc.WalletKit",
 	HandlerType: (*WalletKitServer)(nil),
 	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ListUnspent",
+			Handler:    _WalletKit_ListUnspent_Handler,
+		},
+		{
+			MethodName: "LeaseOutput",
+			Handler:    _WalletKit_LeaseOutput_Handler,
+		},
+		{
+			MethodName: "ReleaseOutput",
+			Handler:    _WalletKit_ReleaseOutput_Handler,
+		},
 		{
 			MethodName: "DeriveNextKey",
 			Handler:    _WalletKit_DeriveNextKey_Handler,
diff --git a/lnrpc/walletrpc/walletkit.proto b/lnrpc/walletrpc/walletkit.proto
index a8b9cf1f6..aec29c15a 100644
--- a/lnrpc/walletrpc/walletkit.proto
+++ b/lnrpc/walletrpc/walletkit.proto
@@ -10,6 +10,28 @@ option go_package = "github.com/lightningnetwork/lnd/lnrpc/walletrpc";
 // WalletKit is a service that gives access to the core functionalities of the
 // daemon's wallet.
 service WalletKit {
+    /*
+    ListUnspent returns a list of all utxos spendable by the wallet with a
+    number of confirmations between the specified minimum and maximum.
+    */
+    rpc ListUnspent (ListUnspentRequest) returns (ListUnspentResponse);
+
+    /*
+    LeaseOutput locks an output to the given ID, preventing it from being
+    available for any future coin selection attempts. The absolute time of the
+    lock's expiration is returned. The expiration of the lock can be extended by
+    successive invocations of this RPC. Outputs can be unlocked before their
+    expiration through `ReleaseOutput`.
+    */
+    rpc LeaseOutput (LeaseOutputRequest) returns (LeaseOutputResponse);
+
+    /*
+    ReleaseOutput unlocks an output, allowing it to be available for coin
+    selection if it remains unspent. The ID should match the one used to
+    originally lock the output.
+    */
+    rpc ReleaseOutput (ReleaseOutputRequest) returns (ReleaseOutputResponse);
+
     /*
     DeriveNextKey attempts to derive the *next* key within the key family
     (account in BIP43) specified. This method should return the next external
@@ -108,6 +130,48 @@ service WalletKit {
         returns (LabelTransactionResponse);
 }
 
+message ListUnspentRequest {
+    // The minimum number of confirmations to be included.
+    int32 min_confs = 1;
+
+    // The maximum number of confirmations to be included.
+    int32 max_confs = 2;
+}
+
+message ListUnspentResponse {
+    // A list of utxos satisfying the specified number of confirmations.
+    repeated lnrpc.Utxo utxos = 1;
+}
+
+message LeaseOutputRequest {
+    /*
+    An ID of 32 random bytes that must be unique for each distinct application
+    using this RPC which will be used to bound the output lease to.
+    */
+    bytes id = 1;
+
+    // The identifying outpoint of the output being leased.
+    lnrpc.OutPoint outpoint = 2;
+}
+
+message LeaseOutputResponse {
+    /*
+    The absolute expiration of the output lease represented as a unix timestamp.
+    */
+    uint64 expiration = 1;
+}
+
+message ReleaseOutputRequest {
+    // The unique ID that was used to lock the output.
+    bytes id = 1;
+
+    // The identifying outpoint of the output being released.
+    lnrpc.OutPoint outpoint = 2;
+}
+
+message ReleaseOutputResponse {
+}
+
 message KeyReq {
     /*
     Is the key finger print of the root pubkey that this request is targeting.
diff --git a/lnrpc/walletrpc/walletkit.swagger.json b/lnrpc/walletrpc/walletkit.swagger.json
index 26a2ede62..d901a3945 100644
--- a/lnrpc/walletrpc/walletkit.swagger.json
+++ b/lnrpc/walletrpc/walletkit.swagger.json
@@ -28,6 +28,18 @@
         }
       }
     },
+    "lnrpcAddressType": {
+      "type": "string",
+      "enum": [
+        "WITNESS_PUBKEY_HASH",
+        "NESTED_PUBKEY_HASH",
+        "UNUSED_WITNESS_PUBKEY_HASH",
+        "UNUSED_NESTED_PUBKEY_HASH"
+      ],
+      "default": "WITNESS_PUBKEY_HASH",
+      "description": "- `p2wkh`: Pay to witness key hash (`WITNESS_PUBKEY_HASH` = 0)\n- `np2wkh`: Pay to nested witness key hash (`NESTED_PUBKEY_HASH` = 1)",
+      "title": "`AddressType` has to be one of:"
+    },
     "lnrpcOutPoint": {
       "type": "object",
       "properties": {
@@ -112,6 +124,37 @@
         }
       }
     },
+    "lnrpcUtxo": {
+      "type": "object",
+      "properties": {
+        "address_type": {
+          "$ref": "#/definitions/lnrpcAddressType",
+          "title": "The type of address"
+        },
+        "address": {
+          "type": "string",
+          "title": "The address"
+        },
+        "amount_sat": {
+          "type": "string",
+          "format": "int64",
+          "title": "The value of the unspent coin in satoshis"
+        },
+        "pk_script": {
+          "type": "string",
+          "title": "The pkscript in hex"
+        },
+        "outpoint": {
+          "$ref": "#/definitions/lnrpcOutPoint",
+          "title": "The outpoint in format txid:n"
+        },
+        "confirmations": {
+          "type": "string",
+          "format": "int64",
+          "title": "The number of confirmations for the Utxo"
+        }
+      }
+    },
     "signrpcKeyDescriptor": {
       "type": "object",
       "properties": {
@@ -181,6 +224,16 @@
     "walletrpcLabelTransactionResponse": {
       "type": "object"
     },
+    "walletrpcLeaseOutputResponse": {
+      "type": "object",
+      "properties": {
+        "expiration": {
+          "type": "string",
+          "format": "uint64",
+          "description": "The absolute expiration of the output lease represented as a unix timestamp."
+        }
+      }
+    },
     "walletrpcListSweepsResponse": {
       "type": "object",
       "properties": {
@@ -192,6 +245,18 @@
         }
       }
     },
+    "walletrpcListUnspentResponse": {
+      "type": "object",
+      "properties": {
+        "utxos": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/lnrpcUtxo"
+          },
+          "description": "A list of utxos satisfying the specified number of confirmations."
+        }
+      }
+    },
     "walletrpcPendingSweep": {
       "type": "object",
       "properties": {
@@ -261,6 +326,9 @@
         }
       }
     },
+    "walletrpcReleaseOutputResponse": {
+      "type": "object"
+    },
     "walletrpcSendOutputsResponse": {
       "type": "object",
       "properties": {
diff --git a/lnrpc/walletrpc/walletkit_server.go b/lnrpc/walletrpc/walletkit_server.go
index f192fcbe2..0cd8ead02 100644
--- a/lnrpc/walletrpc/walletkit_server.go
+++ b/lnrpc/walletrpc/walletkit_server.go
@@ -14,6 +14,7 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcd/wire"
+	"github.com/btcsuite/btcwallet/wtxmgr"
 	"github.com/lightningnetwork/lnd/input"
 	"github.com/lightningnetwork/lnd/keychain"
 	"github.com/lightningnetwork/lnd/labels"
@@ -98,6 +99,18 @@ var (
 			Entity: "onchain",
 			Action: "write",
 		}},
+		"/walletrpc.WalletKit/LeaseOutput": {{
+			Entity: "onchain",
+			Action: "write",
+		}},
+		"/walletrpc.WalletKit/ReleaseOutput": {{
+			Entity: "onchain",
+			Action: "write",
+		}},
+		"/walletrpc.WalletKit/ListUnspent": {{
+			Entity: "onchain",
+			Action: "read",
+		}},
 	}
 
 	// DefaultWalletKitMacFilename is the default name of the wallet kit
@@ -204,6 +217,101 @@ func (w *WalletKit) RegisterWithRootServer(grpcServer *grpc.Server) error {
 	return nil
 }
 
+// ListUnspent returns useful information about each unspent output owned by the
+// wallet, as reported by the underlying `ListUnspentWitness`; the information
+// returned is: outpoint, amount in satoshis, address, address type,
+// scriptPubKey in hex and number of confirmations.  The result is filtered to
+// contain outputs whose number of confirmations is between a
+// minimum and maximum number of confirmations specified by the user, with 0
+// meaning unconfirmed.
+func (w *WalletKit) ListUnspent(ctx context.Context,
+	req *ListUnspentRequest) (*ListUnspentResponse, error) {
+
+	// Validate the confirmation arguments.
+	minConfs, maxConfs, err := lnrpc.ParseConfs(req.MinConfs, req.MaxConfs)
+	if err != nil {
+		return nil, err
+	}
+
+	// With our arguments validated, we'll query the internal wallet for
+	// the set of UTXOs that match our query.
+	utxos, err := w.cfg.Wallet.ListUnspentWitness(minConfs, maxConfs)
+	if err != nil {
+		return nil, err
+	}
+
+	rpcUtxos, err := lnrpc.MarshalUtxos(utxos, w.cfg.ChainParams)
+	if err != nil {
+		return nil, err
+	}
+
+	return &ListUnspentResponse{
+		Utxos: rpcUtxos,
+	}, nil
+}
+
+// LeaseOutput locks an output to the given ID, preventing it from being
+// available for any future coin selection attempts. The absolute time of the
+// lock's expiration is returned. The expiration of the lock can be extended by
+// successive invocations of this call. Outputs can be unlocked before their
+// expiration through `ReleaseOutput`.
+//
+// If the output is not known, wtxmgr.ErrUnknownOutput is returned. If the
+// output has already been locked to a different ID, then
+// wtxmgr.ErrOutputAlreadyLocked is returned.
+func (w *WalletKit) LeaseOutput(ctx context.Context,
+	req *LeaseOutputRequest) (*LeaseOutputResponse, error) {
+
+	if len(req.Id) != 32 {
+		return nil, errors.New("id must be 32 random bytes")
+	}
+	var lockID wtxmgr.LockID
+	copy(lockID[:], req.Id)
+
+	// Don't allow ID's of 32 bytes, but all zeros.
+	if lockID == (wtxmgr.LockID{}) {
+		return nil, errors.New("id must be 32 random bytes")
+	}
+
+	op, err := unmarshallOutPoint(req.Outpoint)
+	if err != nil {
+		return nil, err
+	}
+
+	expiration, err := w.cfg.Wallet.LeaseOutput(lockID, *op)
+	if err != nil {
+		return nil, err
+	}
+
+	return &LeaseOutputResponse{
+		Expiration: uint64(expiration.Unix()),
+	}, nil
+}
+
+// ReleaseOutput unlocks an output, allowing it to be available for coin
+// selection if it remains unspent. The ID should match the one used to
+// originally lock the output.
+func (w *WalletKit) ReleaseOutput(ctx context.Context,
+	req *ReleaseOutputRequest) (*ReleaseOutputResponse, error) {
+
+	if len(req.Id) != 32 {
+		return nil, errors.New("id must be 32 random bytes")
+	}
+	var lockID wtxmgr.LockID
+	copy(lockID[:], req.Id)
+
+	op, err := unmarshallOutPoint(req.Outpoint)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := w.cfg.Wallet.ReleaseOutput(lockID, *op); err != nil {
+		return nil, err
+	}
+
+	return &ReleaseOutputResponse{}, nil
+}
+
 // DeriveNextKey attempts to derive the *next* key within the key family
 // (account in BIP43) specified. This method should return the next external
 // child within this branch.
diff --git a/lnwallet/btcwallet/btcwallet.go b/lnwallet/btcwallet/btcwallet.go
index a4569e526..e11769336 100644
--- a/lnwallet/btcwallet/btcwallet.go
+++ b/lnwallet/btcwallet/btcwallet.go
@@ -19,6 +19,7 @@ import (
 	"github.com/btcsuite/btcwallet/wallet/txauthor"
 	"github.com/btcsuite/btcwallet/wallet/txrules"
 	"github.com/btcsuite/btcwallet/walletdb"
+	"github.com/btcsuite/btcwallet/wtxmgr"
 	"github.com/lightningnetwork/lnd/keychain"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
@@ -367,6 +368,27 @@ func (b *BtcWallet) UnlockOutpoint(o wire.OutPoint) {
 	b.wallet.UnlockOutpoint(o)
 }
 
+// LeaseOutput locks an output to the given ID, preventing it from being
+// available for any future coin selection attempts. The absolute time of the
+// lock's expiration is returned. The expiration of the lock can be extended by
+// successive invocations of this call. Outputs can be unlocked before their
+// expiration through `ReleaseOutput`.
+//
+// If the output is not known, wtxmgr.ErrUnknownOutput is returned. If the
+// output has already been locked to a different ID, then
+// wtxmgr.ErrOutputAlreadyLocked is returned.
+func (b *BtcWallet) LeaseOutput(id wtxmgr.LockID, op wire.OutPoint) (time.Time,
+	error) {
+	return b.wallet.LeaseOutput(id, op)
+}
+
+// ReleaseOutput unlocks an output, allowing it to be available for coin
+// selection if it remains unspent. The ID should match the one used to
+// originally lock the output.
+func (b *BtcWallet) ReleaseOutput(id wtxmgr.LockID, op wire.OutPoint) error {
+	return b.wallet.ReleaseOutput(id, op)
+}
+
 // ListUnspentWitness returns a slice of all the unspent outputs the wallet
 // controls which pay to witness programs either directly or indirectly.
 //
diff --git a/lnwallet/interface.go b/lnwallet/interface.go
index bff571e1c..951cf17a6 100644
--- a/lnwallet/interface.go
+++ b/lnwallet/interface.go
@@ -4,12 +4,14 @@ import (
 	"errors"
 	"fmt"
 	"sync"
+	"time"
 
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	"github.com/btcsuite/btcwallet/wallet/txauthor"
+	"github.com/btcsuite/btcwallet/wtxmgr"
 	"github.com/lightningnetwork/lnd/input"
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
 )
@@ -221,6 +223,22 @@ type WalletController interface {
 	// eligible for coin selection.
 	UnlockOutpoint(o wire.OutPoint)
 
+	// LeaseOutput locks an output to the given ID, preventing it from being
+	// available for any future coin selection attempts. The absolute time
+	// of the lock's expiration is returned. The expiration of the lock can
+	// be extended by successive invocations of this call. Outputs can be
+	// unlocked before their expiration through `ReleaseOutput`.
+	//
+	// If the output is not known, wtxmgr.ErrUnknownOutput is returned. If
+	// the output has already been locked to a different ID, then
+	// wtxmgr.ErrOutputAlreadyLocked is returned.
+	LeaseOutput(id wtxmgr.LockID, op wire.OutPoint) (time.Time, error)
+
+	// ReleaseOutput unlocks an output, allowing it to be available for coin
+	// selection if it remains unspent. The ID should match the one used to
+	// originally lock the output.
+	ReleaseOutput(id wtxmgr.LockID, op wire.OutPoint) error
+
 	// PublishTransaction performs cursory validation (dust checks, etc),
 	// then finally broadcasts the passed transaction to the Bitcoin network.
 	// If the transaction is rejected because it is conflicting with an
diff --git a/mock.go b/mock.go
index 6d40402b0..fc86d1b0a 100644
--- a/mock.go
+++ b/mock.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"sync"
 	"sync/atomic"
+	"time"
 
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/chaincfg"
@@ -13,6 +14,7 @@ import (
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	"github.com/btcsuite/btcwallet/wallet/txauthor"
+	"github.com/btcsuite/btcwallet/wtxmgr"
 
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/input"
@@ -322,6 +324,14 @@ func (*mockWalletController) ListTransactionDetails(_, _ int32) ([]*lnwallet.Tra
 }
 func (*mockWalletController) LockOutpoint(o wire.OutPoint)   {}
 func (*mockWalletController) UnlockOutpoint(o wire.OutPoint) {}
+
+func (*mockWalletController) LeaseOutput(wtxmgr.LockID, wire.OutPoint) (time.Time, error) {
+	return time.Now(), nil
+}
+func (*mockWalletController) ReleaseOutput(wtxmgr.LockID, wire.OutPoint) error {
+	return nil
+}
+
 func (m *mockWalletController) PublishTransaction(tx *wire.MsgTx, _ string) error {
 	m.publishedTransactions <- tx
 	return nil
diff --git a/rpcserver.go b/rpcserver.go
index 7bd113101..81f6f0d0c 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -924,30 +924,20 @@ func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64,
 	return &txHash, nil
 }
 
-// ListUnspent returns useful information about each unspent output owned by
-// the wallet, as reported by the underlying `ListUnspentWitness`; the
-// information returned is: outpoint, amount in satoshis, address, address
-// type, scriptPubKey in hex and number of confirmations.  The result is
-// filtered to contain outputs whose number of confirmations is between a
-// minimum and maximum number of confirmations specified by the user, with 0
-// meaning unconfirmed.
+// ListUnspent returns useful information about each unspent output owned by the
+// wallet, as reported by the underlying `ListUnspentWitness`; the information
+// returned is: outpoint, amount in satoshis, address, address type,
+// scriptPubKey in hex and number of confirmations.  The result is filtered to
+// contain outputs whose number of confirmations is between a minimum and
+// maximum number of confirmations specified by the user, with 0 meaning
+// unconfirmed.
 func (r *rpcServer) ListUnspent(ctx context.Context,
 	in *lnrpc.ListUnspentRequest) (*lnrpc.ListUnspentResponse, error) {
 
-	minConfs := in.MinConfs
-	maxConfs := in.MaxConfs
-
-	switch {
-	// Ensure that the user didn't attempt to specify a negative number of
-	// confirmations, as that isn't possible.
-	case minConfs < 0:
-		return nil, fmt.Errorf("min confirmations must be >= 0")
-
-	// We'll also ensure that the min number of confs is strictly less than
-	// or equal to the max number of confs for sanity.
-	case minConfs > maxConfs:
-		return nil, fmt.Errorf("max confirmations must be >= min " +
-			"confirmations")
+	// Validate the confirmation arguments.
+	minConfs, maxConfs, err := lnrpc.ParseConfs(in.MinConfs, in.MaxConfs)
+	if err != nil {
+		return nil, err
 	}
 
 	// With our arguments validated, we'll query the internal wallet for
@@ -957,69 +947,9 @@ func (r *rpcServer) ListUnspent(ctx context.Context,
 		return nil, err
 	}
 
-	resp := &lnrpc.ListUnspentResponse{
-		Utxos: make([]*lnrpc.Utxo, 0, len(utxos)),
-	}
-
-	for _, utxo := range utxos {
-		// Translate lnwallet address type to the proper gRPC proto
-		// address type.
-		var addrType lnrpc.AddressType
-		switch utxo.AddressType {
-
-		case lnwallet.WitnessPubKey:
-			addrType = lnrpc.AddressType_WITNESS_PUBKEY_HASH
-
-		case lnwallet.NestedWitnessPubKey:
-			addrType = lnrpc.AddressType_NESTED_PUBKEY_HASH
-
-		case lnwallet.UnknownAddressType:
-			rpcsLog.Warnf("[listunspent] utxo with address of "+
-				"unknown type ignored: %v",
-				utxo.OutPoint.String())
-			continue
-
-		default:
-			return nil, fmt.Errorf("invalid utxo address type")
-		}
-
-		// Now that we know we have a proper mapping to an address,
-		// we'll convert the regular outpoint to an lnrpc variant.
-		outpoint := &lnrpc.OutPoint{
-			TxidBytes:   utxo.OutPoint.Hash[:],
-			TxidStr:     utxo.OutPoint.Hash.String(),
-			OutputIndex: utxo.OutPoint.Index,
-		}
-
-		utxoResp := lnrpc.Utxo{
-			AddressType:   addrType,
-			AmountSat:     int64(utxo.Value),
-			PkScript:      hex.EncodeToString(utxo.PkScript),
-			Outpoint:      outpoint,
-			Confirmations: utxo.Confirmations,
-		}
-
-		// Finally, we'll attempt to extract the raw address from the
-		// script so we can display a human friendly address to the end
-		// user.
-		_, outAddresses, _, err := txscript.ExtractPkScriptAddrs(
-			utxo.PkScript, activeNetParams.Params,
-		)
-		if err != nil {
-			return nil, err
-		}
-
-		// If we can't properly locate a single address, then this was
-		// an error in our mapping, and we'll return an error back to
-		// the user.
-		if len(outAddresses) != 1 {
-			return nil, fmt.Errorf("an output was unexpectedly " +
-				"multisig")
-		}
-
-		utxoResp.Address = outAddresses[0].String()
-
-		resp.Utxos = append(resp.Utxos, &utxoResp)
+	rpcUtxos, err := lnrpc.MarshalUtxos(utxos, activeNetParams.Params)
+	if err != nil {
+		return nil, err
 	}
 
 	maxStr := ""
@@ -1030,7 +960,9 @@ func (r *rpcServer) ListUnspent(ctx context.Context,
 	rpcsLog.Debugf("[listunspent] min=%v%v, generated utxos: %v", minConfs,
 		maxStr, utxos)
 
-	return resp, nil
+	return &lnrpc.ListUnspentResponse{
+		Utxos: rpcUtxos,
+	}, nil
 }
 
 // EstimateFee handles a request for estimating the fee for sending a
diff --git a/subrpcserver_config.go b/subrpcserver_config.go
index 721608e59..dcbbd2e8a 100644
--- a/subrpcserver_config.go
+++ b/subrpcserver_config.go
@@ -162,6 +162,9 @@ func (s *subRPCServerConfigs) PopulateDependencies(cfg *Config, cc *chainControl
 			subCfgValue.FieldByName("Chain").Set(
 				reflect.ValueOf(cc.chainIO),
 			)
+			subCfgValue.FieldByName("ChainParams").Set(
+				reflect.ValueOf(activeNetParams),
+			)
 
 		case *autopilotrpc.Config:
 			subCfgValue := extractReflectValue(subCfg)