lnrpc/walletrpc: expose pending input sweeps within UtxoSweeper over RPC
This commit is contained in:
Wilmer Paulino
parent
d75fac26bc
commit
d01f88ecdc
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@ -6,6 +6,7 @@ import (
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"github.com/lightningnetwork/lnd/keychain"
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"github.com/lightningnetwork/lnd/lnwallet"
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"github.com/lightningnetwork/lnd/macaroons"
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"github.com/lightningnetwork/lnd/sweep"
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)
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// Config is the primary configuration struct for the WalletKit RPC server. It
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@ -38,4 +39,8 @@ type Config struct {
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// KeyRing is an interface that the WalletKit will use to derive any
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// keys due to incoming client requests.
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KeyRing keychain.KeyRing
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// Sweeper is the central batching engine of lnd. It is responsible for
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// sweeping inputs in batches back into the wallet.
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Sweeper *sweep.UtxoSweeper
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}
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@ -7,6 +7,7 @@ import (
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context "context"
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fmt "fmt"
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proto "github.com/golang/protobuf/proto"
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lnrpc "github.com/lightningnetwork/lnd/lnrpc"
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signrpc "github.com/lightningnetwork/lnd/lnrpc/signrpc"
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grpc "google.golang.org/grpc"
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math "math"
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@ -23,6 +24,108 @@ var _ = math.Inf
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// proto package needs to be updated.
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const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
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type WitnessType int32
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const (
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WitnessType_UNKNOWN_WITNESS WitnessType = 0
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//
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//A witness that allows us to spend the output of a commitment transaction
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//after a relative lock-time lockout.
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WitnessType_COMMITMENT_TIME_LOCK WitnessType = 1
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//
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//A witness that allows us to spend a settled no-delay output immediately on a
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//counterparty's commitment transaction.
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WitnessType_COMMITMENT_NO_DELAY WitnessType = 2
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//
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//A witness that allows us to sweep the settled output of a malicious
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//counterparty's who broadcasts a revoked commitment transaction.
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WitnessType_COMMITMENT_REVOKE WitnessType = 3
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//
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//A witness that allows us to sweep an HTLC which we offered to the remote
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//party in the case that they broadcast a revoked commitment state.
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WitnessType_HTLC_OFFERED_REVOKE WitnessType = 4
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//
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//A witness that allows us to sweep an HTLC output sent to us in the case that
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//the remote party broadcasts a revoked commitment state.
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WitnessType_HTLC_ACCEPTED_REVOKE WitnessType = 5
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//
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//A witness that allows us to sweep an HTLC output that we extended to a
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//party, but was never fulfilled. This HTLC output isn't directly on the
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//commitment transaction, but is the result of a confirmed second-level HTLC
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//transaction. As a result, we can only spend this after a CSV delay.
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WitnessType_HTLC_OFFERED_TIMEOUT_SECOND_LEVEL WitnessType = 6
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//
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//A witness that allows us to sweep an HTLC output that was offered to us, and
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//for which we have a payment preimage. This HTLC output isn't directly on our
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//commitment transaction, but is the result of confirmed second-level HTLC
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//transaction. As a result, we can only spend this after a CSV delay.
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WitnessType_HTLC_ACCEPTED_SUCCESS_SECOND_LEVEL WitnessType = 7
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//
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//A witness that allows us to sweep an HTLC that we offered to the remote
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//party which lies in the commitment transaction of the remote party. We can
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//spend this output after the absolute CLTV timeout of the HTLC as passed.
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WitnessType_HTLC_OFFERED_REMOTE_TIMEOUT WitnessType = 8
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//
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//A witness that allows us to sweep an HTLC that was offered to us by the
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//remote party. We use this witness in the case that the remote party goes to
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//chain, and we know the pre-image to the HTLC. We can sweep this without any
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//additional timeout.
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WitnessType_HTLC_ACCEPTED_REMOTE_SUCCESS WitnessType = 9
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//
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//A witness that allows us to sweep an HTLC from the remote party's commitment
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//transaction in the case that the broadcast a revoked commitment, but then
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//also immediately attempt to go to the second level to claim the HTLC.
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WitnessType_HTLC_SECOND_LEVEL_REVOKE WitnessType = 10
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//
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//A witness type that allows us to spend a regular p2wkh output that's sent to
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//an output which is under complete control of the backing wallet.
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WitnessType_WITNESS_KEY_HASH WitnessType = 11
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//
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//A witness type that allows us to sweep an output that sends to a nested P2SH
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//script that pays to a key solely under our control.
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WitnessType_NESTED_WITNESS_KEY_HASH WitnessType = 12
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)
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var WitnessType_name = map[int32]string{
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0: "UNKNOWN_WITNESS",
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1: "COMMITMENT_TIME_LOCK",
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2: "COMMITMENT_NO_DELAY",
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3: "COMMITMENT_REVOKE",
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4: "HTLC_OFFERED_REVOKE",
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5: "HTLC_ACCEPTED_REVOKE",
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6: "HTLC_OFFERED_TIMEOUT_SECOND_LEVEL",
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7: "HTLC_ACCEPTED_SUCCESS_SECOND_LEVEL",
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8: "HTLC_OFFERED_REMOTE_TIMEOUT",
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9: "HTLC_ACCEPTED_REMOTE_SUCCESS",
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10: "HTLC_SECOND_LEVEL_REVOKE",
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11: "WITNESS_KEY_HASH",
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12: "NESTED_WITNESS_KEY_HASH",
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}
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var WitnessType_value = map[string]int32{
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"UNKNOWN_WITNESS": 0,
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"COMMITMENT_TIME_LOCK": 1,
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"COMMITMENT_NO_DELAY": 2,
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"COMMITMENT_REVOKE": 3,
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"HTLC_OFFERED_REVOKE": 4,
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"HTLC_ACCEPTED_REVOKE": 5,
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"HTLC_OFFERED_TIMEOUT_SECOND_LEVEL": 6,
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"HTLC_ACCEPTED_SUCCESS_SECOND_LEVEL": 7,
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"HTLC_OFFERED_REMOTE_TIMEOUT": 8,
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"HTLC_ACCEPTED_REMOTE_SUCCESS": 9,
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"HTLC_SECOND_LEVEL_REVOKE": 10,
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"WITNESS_KEY_HASH": 11,
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"NESTED_WITNESS_KEY_HASH": 12,
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}
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func (x WitnessType) String() string {
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return proto.EnumName(WitnessType_name, int32(x))
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}
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func (WitnessType) EnumDescriptor() ([]byte, []int) {
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return fileDescriptor_6cc6942ac78249e5, []int{0}
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}
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type KeyReq struct {
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//*
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//Is the key finger print of the root pubkey that this request is targeting.
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@ -411,7 +514,170 @@ func (m *EstimateFeeResponse) GetSatPerKw() int64 {
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return 0
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}
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type PendingSweep struct {
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// The outpoint of the output we're attempting to sweep.
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Outpoint *lnrpc.OutPoint `protobuf:"bytes,1,opt,name=outpoint,proto3" json:"outpoint,omitempty"`
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// The witness type of the output we're attempting to sweep.
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WitnessType WitnessType `protobuf:"varint,2,opt,name=witness_type,proto3,enum=walletrpc.WitnessType" json:"witness_type,omitempty"`
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// The value of the output we're attempting to sweep.
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AmountSat uint32 `protobuf:"varint,3,opt,name=amount_sat,proto3" json:"amount_sat,omitempty"`
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//
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//The fee rate we'll use to sweep the output. The fee rate is only determined
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//once a sweeping transaction for the output is created, so it's possible for
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//this to be 0 before this.
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SatPerByte uint32 `protobuf:"varint,4,opt,name=sat_per_byte,proto3" json:"sat_per_byte,omitempty"`
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// The number of broadcast attempts we've made to sweep the output.
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BroadcastAttempts uint32 `protobuf:"varint,5,opt,name=broadcast_attempts,proto3" json:"broadcast_attempts,omitempty"`
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//
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//The next height of the chain at which we'll attempt to broadcast the
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//sweep transaction of the output.
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NextBroadcastHeight uint32 `protobuf:"varint,6,opt,name=next_broadcast_height,proto3" json:"next_broadcast_height,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *PendingSweep) Reset() { *m = PendingSweep{} }
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func (m *PendingSweep) String() string { return proto.CompactTextString(m) }
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func (*PendingSweep) ProtoMessage() {}
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func (*PendingSweep) Descriptor() ([]byte, []int) {
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return fileDescriptor_6cc6942ac78249e5, []int{9}
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}
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func (m *PendingSweep) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_PendingSweep.Unmarshal(m, b)
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}
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func (m *PendingSweep) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_PendingSweep.Marshal(b, m, deterministic)
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}
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func (m *PendingSweep) XXX_Merge(src proto.Message) {
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xxx_messageInfo_PendingSweep.Merge(m, src)
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}
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func (m *PendingSweep) XXX_Size() int {
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return xxx_messageInfo_PendingSweep.Size(m)
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}
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func (m *PendingSweep) XXX_DiscardUnknown() {
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xxx_messageInfo_PendingSweep.DiscardUnknown(m)
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}
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var xxx_messageInfo_PendingSweep proto.InternalMessageInfo
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func (m *PendingSweep) GetOutpoint() *lnrpc.OutPoint {
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if m != nil {
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return m.Outpoint
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}
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return nil
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}
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func (m *PendingSweep) GetWitnessType() WitnessType {
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if m != nil {
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return m.WitnessType
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}
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return WitnessType_UNKNOWN_WITNESS
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}
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func (m *PendingSweep) GetAmountSat() uint32 {
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if m != nil {
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return m.AmountSat
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}
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return 0
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}
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func (m *PendingSweep) GetSatPerByte() uint32 {
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if m != nil {
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return m.SatPerByte
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}
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return 0
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}
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func (m *PendingSweep) GetBroadcastAttempts() uint32 {
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if m != nil {
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return m.BroadcastAttempts
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}
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return 0
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}
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func (m *PendingSweep) GetNextBroadcastHeight() uint32 {
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if m != nil {
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return m.NextBroadcastHeight
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}
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return 0
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}
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type PendingSweepsRequest struct {
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *PendingSweepsRequest) Reset() { *m = PendingSweepsRequest{} }
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func (m *PendingSweepsRequest) String() string { return proto.CompactTextString(m) }
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func (*PendingSweepsRequest) ProtoMessage() {}
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func (*PendingSweepsRequest) Descriptor() ([]byte, []int) {
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return fileDescriptor_6cc6942ac78249e5, []int{10}
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}
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func (m *PendingSweepsRequest) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_PendingSweepsRequest.Unmarshal(m, b)
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}
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func (m *PendingSweepsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_PendingSweepsRequest.Marshal(b, m, deterministic)
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}
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func (m *PendingSweepsRequest) XXX_Merge(src proto.Message) {
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xxx_messageInfo_PendingSweepsRequest.Merge(m, src)
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}
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func (m *PendingSweepsRequest) XXX_Size() int {
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return xxx_messageInfo_PendingSweepsRequest.Size(m)
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}
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func (m *PendingSweepsRequest) XXX_DiscardUnknown() {
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xxx_messageInfo_PendingSweepsRequest.DiscardUnknown(m)
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}
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var xxx_messageInfo_PendingSweepsRequest proto.InternalMessageInfo
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type PendingSweepsResponse struct {
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//
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//The set of outputs currently being swept by lnd's central batching engine.
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PendingSweeps []*PendingSweep `protobuf:"bytes,1,rep,name=pending_sweeps,proto3" json:"pending_sweeps,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *PendingSweepsResponse) Reset() { *m = PendingSweepsResponse{} }
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func (m *PendingSweepsResponse) String() string { return proto.CompactTextString(m) }
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func (*PendingSweepsResponse) ProtoMessage() {}
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func (*PendingSweepsResponse) Descriptor() ([]byte, []int) {
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return fileDescriptor_6cc6942ac78249e5, []int{11}
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}
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func (m *PendingSweepsResponse) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_PendingSweepsResponse.Unmarshal(m, b)
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}
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func (m *PendingSweepsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_PendingSweepsResponse.Marshal(b, m, deterministic)
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}
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func (m *PendingSweepsResponse) XXX_Merge(src proto.Message) {
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xxx_messageInfo_PendingSweepsResponse.Merge(m, src)
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}
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func (m *PendingSweepsResponse) XXX_Size() int {
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return xxx_messageInfo_PendingSweepsResponse.Size(m)
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}
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func (m *PendingSweepsResponse) XXX_DiscardUnknown() {
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xxx_messageInfo_PendingSweepsResponse.DiscardUnknown(m)
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}
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var xxx_messageInfo_PendingSweepsResponse proto.InternalMessageInfo
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func (m *PendingSweepsResponse) GetPendingSweeps() []*PendingSweep {
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if m != nil {
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return m.PendingSweeps
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}
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return nil
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}
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func init() {
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proto.RegisterEnum("walletrpc.WitnessType", WitnessType_name, WitnessType_value)
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proto.RegisterType((*KeyReq)(nil), "walletrpc.KeyReq")
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proto.RegisterType((*AddrRequest)(nil), "walletrpc.AddrRequest")
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proto.RegisterType((*AddrResponse)(nil), "walletrpc.AddrResponse")
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@ -421,45 +687,73 @@ func init() {
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proto.RegisterType((*SendOutputsResponse)(nil), "walletrpc.SendOutputsResponse")
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proto.RegisterType((*EstimateFeeRequest)(nil), "walletrpc.EstimateFeeRequest")
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proto.RegisterType((*EstimateFeeResponse)(nil), "walletrpc.EstimateFeeResponse")
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proto.RegisterType((*PendingSweep)(nil), "walletrpc.PendingSweep")
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proto.RegisterType((*PendingSweepsRequest)(nil), "walletrpc.PendingSweepsRequest")
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proto.RegisterType((*PendingSweepsResponse)(nil), "walletrpc.PendingSweepsResponse")
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}
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func init() { proto.RegisterFile("walletrpc/walletkit.proto", fileDescriptor_6cc6942ac78249e5) }
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var fileDescriptor_6cc6942ac78249e5 = []byte{
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|
||||
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||||
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||||
// 918 bytes of a gzipped FileDescriptorProto
|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
0x8c, 0xe2, 0xb1, 0x7a, 0xba, 0x7d, 0xff, 0x5d, 0x12, 0xb4, 0x89, 0x3f, 0xa6, 0xb6, 0xc7, 0x5c,
|
||||
0x8a, 0x7e, 0x82, 0x7c, 0x54, 0x1b, 0xd6, 0x95, 0x45, 0x51, 0xcf, 0x1d, 0x5b, 0xcc, 0xa5, 0xcf,
|
||||
0x56, 0xfe, 0x02, 0x87, 0xe1, 0x7a, 0x61, 0x38, 0x22, 0xf1, 0x59, 0x09, 0xe1, 0x59, 0x3d, 0x7b,
|
||||
0x84, 0xc7, 0xd7, 0xb0, 0x03, 0x28, 0xce, 0x42, 0x31, 0x38, 0x45, 0x1b, 0x01, 0xaf, 0x56, 0xc5,
|
||||
0xcb, 0xb9, 0x13, 0xa1, 0x3d, 0x28, 0x08, 0xf9, 0x85, 0x5e, 0x0b, 0xd2, 0xc7, 0xa9, 0x59, 0x7d,
|
||||
0xf3, 0x1c, 0xfd, 0xe0, 0x26, 0x04, 0x55, 0xca, 0xed, 0x71, 0xee, 0xa5, 0xdc, 0x9e, 0xca, 0x37,
|
||||
0x1d, 0x4a, 0xa9, 0x57, 0x88, 0x2e, 0x9e, 0x79, 0x65, 0xdb, 0xfe, 0x6a, 0xcf, 0x0b, 0x22, 0xcf,
|
||||
0xdf, 0xbe, 0xfb, 0xb3, 0x39, 0xb5, 0xd9, 0x6c, 0x35, 0x6a, 0x8c, 0xdd, 0x65, 0x73, 0x11, 0xa6,
|
||||
0x80, 0x63, 0x3b, 0x53, 0x87, 0xb0, 0xb5, 0x4b, 0xe7, 0xcd, 0x85, 0x33, 0x69, 0xf2, 0x4c, 0x6c,
|
||||
0x6e, 0x8d, 0x46, 0x39, 0xfe, 0x5b, 0xf9, 0xf6, 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0xbf, 0xc4,
|
||||
0xea, 0x93, 0x74, 0x07, 0x00, 0x00,
|
||||
}
|
||||
|
||||
// Reference imports to suppress errors if they are not otherwise used.
|
||||
|
|
@ -502,6 +796,16 @@ type WalletKitClient interface {
|
|||
//determine the fee (in sat/kw) to attach to a transaction in order to
|
||||
//achieve the confirmation target.
|
||||
EstimateFee(ctx context.Context, in *EstimateFeeRequest, opts ...grpc.CallOption) (*EstimateFeeResponse, error)
|
||||
//
|
||||
//PendingSweeps returns lists of on-chain outputs that lnd is currently
|
||||
//attempting to sweep within its central batching engine. Outputs with similar
|
||||
//fee rates are batched together in order to sweep them within a single
|
||||
//transaction.
|
||||
//
|
||||
//NOTE: Some of the fields within PendingSweepsRequest are not guaranteed to
|
||||
//remain supported. This is an advanced API that depends on the internals of
|
||||
//the UtxoSweeper, so things may change.
|
||||
PendingSweeps(ctx context.Context, in *PendingSweepsRequest, opts ...grpc.CallOption) (*PendingSweepsResponse, error)
|
||||
}
|
||||
|
||||
type walletKitClient struct {
|
||||
|
|
@ -566,6 +870,15 @@ func (c *walletKitClient) EstimateFee(ctx context.Context, in *EstimateFeeReques
|
|||
return out, nil
|
||||
}
|
||||
|
||||
func (c *walletKitClient) PendingSweeps(ctx context.Context, in *PendingSweepsRequest, opts ...grpc.CallOption) (*PendingSweepsResponse, error) {
|
||||
out := new(PendingSweepsResponse)
|
||||
err := c.cc.Invoke(ctx, "/walletrpc.WalletKit/PendingSweeps", in, out, opts...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// WalletKitServer is the server API for WalletKit service.
|
||||
type WalletKitServer interface {
|
||||
//*
|
||||
|
|
@ -596,6 +909,16 @@ type WalletKitServer interface {
|
|||
//determine the fee (in sat/kw) to attach to a transaction in order to
|
||||
//achieve the confirmation target.
|
||||
EstimateFee(context.Context, *EstimateFeeRequest) (*EstimateFeeResponse, error)
|
||||
//
|
||||
//PendingSweeps returns lists of on-chain outputs that lnd is currently
|
||||
//attempting to sweep within its central batching engine. Outputs with similar
|
||||
//fee rates are batched together in order to sweep them within a single
|
||||
//transaction.
|
||||
//
|
||||
//NOTE: Some of the fields within PendingSweepsRequest are not guaranteed to
|
||||
//remain supported. This is an advanced API that depends on the internals of
|
||||
//the UtxoSweeper, so things may change.
|
||||
PendingSweeps(context.Context, *PendingSweepsRequest) (*PendingSweepsResponse, error)
|
||||
}
|
||||
|
||||
func RegisterWalletKitServer(s *grpc.Server, srv WalletKitServer) {
|
||||
|
|
@ -710,6 +1033,24 @@ func _WalletKit_EstimateFee_Handler(srv interface{}, ctx context.Context, dec fu
|
|||
return interceptor(ctx, in, info, handler)
|
||||
}
|
||||
|
||||
func _WalletKit_PendingSweeps_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
|
||||
in := new(PendingSweepsRequest)
|
||||
if err := dec(in); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if interceptor == nil {
|
||||
return srv.(WalletKitServer).PendingSweeps(ctx, in)
|
||||
}
|
||||
info := &grpc.UnaryServerInfo{
|
||||
Server: srv,
|
||||
FullMethod: "/walletrpc.WalletKit/PendingSweeps",
|
||||
}
|
||||
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
|
||||
return srv.(WalletKitServer).PendingSweeps(ctx, req.(*PendingSweepsRequest))
|
||||
}
|
||||
return interceptor(ctx, in, info, handler)
|
||||
}
|
||||
|
||||
var _WalletKit_serviceDesc = grpc.ServiceDesc{
|
||||
ServiceName: "walletrpc.WalletKit",
|
||||
HandlerType: (*WalletKitServer)(nil),
|
||||
|
|
@ -738,6 +1079,10 @@ var _WalletKit_serviceDesc = grpc.ServiceDesc{
|
|||
MethodName: "EstimateFee",
|
||||
Handler: _WalletKit_EstimateFee_Handler,
|
||||
},
|
||||
{
|
||||
MethodName: "PendingSweeps",
|
||||
Handler: _WalletKit_PendingSweeps_Handler,
|
||||
},
|
||||
},
|
||||
Streams: []grpc.StreamDesc{},
|
||||
Metadata: "walletrpc/walletkit.proto",
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
syntax = "proto3";
|
||||
|
||||
import "rpc.proto";
|
||||
import "signrpc/signer.proto";
|
||||
|
||||
package walletrpc;
|
||||
|
|
@ -81,6 +82,127 @@ message EstimateFeeResponse {
|
|||
int64 sat_per_kw = 1;
|
||||
}
|
||||
|
||||
enum WitnessType {
|
||||
UNKNOWN_WITNESS = 0;
|
||||
|
||||
/*
|
||||
A witness that allows us to spend the output of a commitment transaction
|
||||
after a relative lock-time lockout.
|
||||
*/
|
||||
COMMITMENT_TIME_LOCK = 1;
|
||||
|
||||
/*
|
||||
A witness that allows us to spend a settled no-delay output immediately on a
|
||||
counterparty's commitment transaction.
|
||||
*/
|
||||
COMMITMENT_NO_DELAY = 2;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep the settled output of a malicious
|
||||
counterparty's who broadcasts a revoked commitment transaction.
|
||||
*/
|
||||
COMMITMENT_REVOKE = 3;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC which we offered to the remote
|
||||
party in the case that they broadcast a revoked commitment state.
|
||||
*/
|
||||
HTLC_OFFERED_REVOKE = 4;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC output sent to us in the case that
|
||||
the remote party broadcasts a revoked commitment state.
|
||||
*/
|
||||
HTLC_ACCEPTED_REVOKE = 5;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC output that we extended to a
|
||||
party, but was never fulfilled. This HTLC output isn't directly on the
|
||||
commitment transaction, but is the result of a confirmed second-level HTLC
|
||||
transaction. As a result, we can only spend this after a CSV delay.
|
||||
*/
|
||||
HTLC_OFFERED_TIMEOUT_SECOND_LEVEL = 6;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC output that was offered to us, and
|
||||
for which we have a payment preimage. This HTLC output isn't directly on our
|
||||
commitment transaction, but is the result of confirmed second-level HTLC
|
||||
transaction. As a result, we can only spend this after a CSV delay.
|
||||
*/
|
||||
HTLC_ACCEPTED_SUCCESS_SECOND_LEVEL = 7;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC that we offered to the remote
|
||||
party which lies in the commitment transaction of the remote party. We can
|
||||
spend this output after the absolute CLTV timeout of the HTLC as passed.
|
||||
*/
|
||||
HTLC_OFFERED_REMOTE_TIMEOUT = 8;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC that was offered to us by the
|
||||
remote party. We use this witness in the case that the remote party goes to
|
||||
chain, and we know the pre-image to the HTLC. We can sweep this without any
|
||||
additional timeout.
|
||||
*/
|
||||
HTLC_ACCEPTED_REMOTE_SUCCESS = 9;
|
||||
|
||||
/*
|
||||
A witness that allows us to sweep an HTLC from the remote party's commitment
|
||||
transaction in the case that the broadcast a revoked commitment, but then
|
||||
also immediately attempt to go to the second level to claim the HTLC.
|
||||
*/
|
||||
HTLC_SECOND_LEVEL_REVOKE = 10;
|
||||
|
||||
/*
|
||||
A witness type that allows us to spend a regular p2wkh output that's sent to
|
||||
an output which is under complete control of the backing wallet.
|
||||
*/
|
||||
WITNESS_KEY_HASH = 11;
|
||||
|
||||
/*
|
||||
A witness type that allows us to sweep an output that sends to a nested P2SH
|
||||
script that pays to a key solely under our control.
|
||||
*/
|
||||
NESTED_WITNESS_KEY_HASH = 12;
|
||||
}
|
||||
|
||||
message PendingSweep {
|
||||
// The outpoint of the output we're attempting to sweep.
|
||||
lnrpc.OutPoint outpoint = 1 [json_name = "outpoint"];
|
||||
|
||||
// The witness type of the output we're attempting to sweep.
|
||||
WitnessType witness_type = 2 [json_name = "witness_type"];
|
||||
|
||||
// The value of the output we're attempting to sweep.
|
||||
uint32 amount_sat = 3 [json_name = "amount_sat"];
|
||||
|
||||
/*
|
||||
The fee rate we'll use to sweep the output. The fee rate is only determined
|
||||
once a sweeping transaction for the output is created, so it's possible for
|
||||
this to be 0 before this.
|
||||
*/
|
||||
uint32 sat_per_byte = 4 [json_name = "sat_per_byte"];
|
||||
|
||||
// The number of broadcast attempts we've made to sweep the output.
|
||||
uint32 broadcast_attempts = 5 [json_name = "broadcast_attempts"];
|
||||
|
||||
/*
|
||||
The next height of the chain at which we'll attempt to broadcast the
|
||||
sweep transaction of the output.
|
||||
*/
|
||||
uint32 next_broadcast_height = 6 [json_name = "next_broadcast_height"];
|
||||
}
|
||||
|
||||
message PendingSweepsRequest {
|
||||
}
|
||||
|
||||
message PendingSweepsResponse {
|
||||
/*
|
||||
The set of outputs currently being swept by lnd's central batching engine.
|
||||
*/
|
||||
repeated PendingSweep pending_sweeps = 1 [json_name = "pending_sweeps"];
|
||||
}
|
||||
|
||||
service WalletKit {
|
||||
/**
|
||||
DeriveNextKey attempts to derive the *next* key within the key family
|
||||
|
|
@ -121,4 +243,16 @@ service WalletKit {
|
|||
achieve the confirmation target.
|
||||
*/
|
||||
rpc EstimateFee(EstimateFeeRequest) returns (EstimateFeeResponse);
|
||||
|
||||
/*
|
||||
PendingSweeps returns lists of on-chain outputs that lnd is currently
|
||||
attempting to sweep within its central batching engine. Outputs with similar
|
||||
fee rates are batched together in order to sweep them within a single
|
||||
transaction.
|
||||
|
||||
NOTE: Some of the fields within PendingSweepsRequest are not guaranteed to
|
||||
remain supported. This is an advanced API that depends on the internals of
|
||||
the UtxoSweeper, so things may change.
|
||||
*/
|
||||
rpc PendingSweeps(PendingSweepsRequest) returns (PendingSweepsResponse);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@ import (
|
|||
"path/filepath"
|
||||
|
||||
"github.com/btcsuite/btcd/wire"
|
||||
"github.com/lightningnetwork/lnd/input"
|
||||
"github.com/lightningnetwork/lnd/keychain"
|
||||
"github.com/lightningnetwork/lnd/lnrpc"
|
||||
"github.com/lightningnetwork/lnd/lnrpc/signrpc"
|
||||
|
|
@ -74,6 +75,10 @@ var (
|
|||
Entity: "onchain",
|
||||
Action: "read",
|
||||
}},
|
||||
"/walletrpc.WalletKit/PendingSweeps": {{
|
||||
Entity: "onchain",
|
||||
Action: "read",
|
||||
}},
|
||||
}
|
||||
|
||||
// DefaultWalletKitMacFilename is the default name of the wallet kit
|
||||
|
|
@ -331,3 +336,76 @@ func (w *WalletKit) EstimateFee(ctx context.Context,
|
|||
SatPerKw: int64(satPerKw),
|
||||
}, nil
|
||||
}
|
||||
|
||||
// PendingSweeps returns lists of on-chain outputs that lnd is currently
|
||||
// attempting to sweep within its central batching engine. Outputs with similar
|
||||
// fee rates are batched together in order to sweep them within a single
|
||||
// transaction. The fee rate of each sweeping transaction is determined by
|
||||
// taking the average fee rate of all the outputs it's trying to sweep.
|
||||
func (w *WalletKit) PendingSweeps(ctx context.Context,
|
||||
in *PendingSweepsRequest) (*PendingSweepsResponse, error) {
|
||||
|
||||
// Retrieve all of the outputs the UtxoSweeper is currently trying to
|
||||
// sweep.
|
||||
pendingInputs, err := w.cfg.Sweeper.PendingInputs()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Convert them into their respective RPC format.
|
||||
rpcPendingSweeps := make([]*PendingSweep, 0, len(pendingInputs))
|
||||
for _, pendingInput := range pendingInputs {
|
||||
var witnessType WitnessType
|
||||
switch pendingInput.WitnessType {
|
||||
case input.CommitmentTimeLock:
|
||||
witnessType = WitnessType_COMMITMENT_TIME_LOCK
|
||||
case input.CommitmentNoDelay:
|
||||
witnessType = WitnessType_COMMITMENT_NO_DELAY
|
||||
case input.CommitmentRevoke:
|
||||
witnessType = WitnessType_COMMITMENT_REVOKE
|
||||
case input.HtlcOfferedRevoke:
|
||||
witnessType = WitnessType_HTLC_OFFERED_REVOKE
|
||||
case input.HtlcAcceptedRevoke:
|
||||
witnessType = WitnessType_HTLC_ACCEPTED_REVOKE
|
||||
case input.HtlcOfferedTimeoutSecondLevel:
|
||||
witnessType = WitnessType_HTLC_OFFERED_TIMEOUT_SECOND_LEVEL
|
||||
case input.HtlcAcceptedSuccessSecondLevel:
|
||||
witnessType = WitnessType_HTLC_ACCEPTED_SUCCESS_SECOND_LEVEL
|
||||
case input.HtlcOfferedRemoteTimeout:
|
||||
witnessType = WitnessType_HTLC_OFFERED_REMOTE_TIMEOUT
|
||||
case input.HtlcAcceptedRemoteSuccess:
|
||||
witnessType = WitnessType_HTLC_ACCEPTED_REMOTE_SUCCESS
|
||||
case input.HtlcSecondLevelRevoke:
|
||||
witnessType = WitnessType_HTLC_SECOND_LEVEL_REVOKE
|
||||
case input.WitnessKeyHash:
|
||||
witnessType = WitnessType_WITNESS_KEY_HASH
|
||||
case input.NestedWitnessKeyHash:
|
||||
witnessType = WitnessType_NESTED_WITNESS_KEY_HASH
|
||||
default:
|
||||
log.Warnf("Unhandled witness type %v for input %v",
|
||||
pendingInput.WitnessType, pendingInput.OutPoint)
|
||||
}
|
||||
|
||||
op := &lnrpc.OutPoint{
|
||||
TxidBytes: pendingInput.OutPoint.Hash[:],
|
||||
OutputIndex: pendingInput.OutPoint.Index,
|
||||
}
|
||||
amountSat := uint32(pendingInput.Amount)
|
||||
satPerByte := uint32(pendingInput.LastFeeRate.FeePerKVByte() / 1000)
|
||||
broadcastAttempts := uint32(pendingInput.BroadcastAttempts)
|
||||
nextBroadcastHeight := uint32(pendingInput.NextBroadcastHeight)
|
||||
|
||||
rpcPendingSweeps = append(rpcPendingSweeps, &PendingSweep{
|
||||
Outpoint: op,
|
||||
WitnessType: witnessType,
|
||||
AmountSat: amountSat,
|
||||
SatPerByte: satPerByte,
|
||||
BroadcastAttempts: broadcastAttempts,
|
||||
NextBroadcastHeight: nextBroadcastHeight,
|
||||
})
|
||||
}
|
||||
|
||||
return &PendingSweepsResponse{
|
||||
PendingSweeps: rpcPendingSweeps,
|
||||
}, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -491,7 +491,7 @@ func newRPCServer(s *server, macService *macaroons.Service,
|
|||
err = subServerCgs.PopulateDependencies(
|
||||
s.cc, networkDir, macService, atpl, invoiceRegistry,
|
||||
s.htlcSwitch, activeNetParams.Params, s.chanRouter,
|
||||
routerBackend, s.nodeSigner, s.chanDB,
|
||||
routerBackend, s.nodeSigner, s.chanDB, s.sweeper,
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@ import (
|
|||
"github.com/lightningnetwork/lnd/macaroons"
|
||||
"github.com/lightningnetwork/lnd/netann"
|
||||
"github.com/lightningnetwork/lnd/routing"
|
||||
"github.com/lightningnetwork/lnd/sweep"
|
||||
)
|
||||
|
||||
// subRPCServerConfigs is special sub-config in the main configuration that
|
||||
|
|
@ -72,7 +73,8 @@ func (s *subRPCServerConfigs) PopulateDependencies(cc *chainControl,
|
|||
chanRouter *routing.ChannelRouter,
|
||||
routerBackend *routerrpc.RouterBackend,
|
||||
nodeSigner *netann.NodeSigner,
|
||||
chanDB *channeldb.DB) error {
|
||||
chanDB *channeldb.DB,
|
||||
sweeper *sweep.UtxoSweeper) error {
|
||||
|
||||
// First, we'll use reflect to obtain a version of the config struct
|
||||
// that allows us to programmatically inspect its fields.
|
||||
|
|
@ -129,6 +131,9 @@ func (s *subRPCServerConfigs) PopulateDependencies(cc *chainControl,
|
|||
subCfgValue.FieldByName("KeyRing").Set(
|
||||
reflect.ValueOf(cc.keyRing),
|
||||
)
|
||||
subCfgValue.FieldByName("Sweeper").Set(
|
||||
reflect.ValueOf(sweeper),
|
||||
)
|
||||
|
||||
case *autopilotrpc.Config:
|
||||
subCfgValue := extractReflectValue(subCfg)
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user