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cnct: create sweeper interface

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This commit is contained in:
Joost Jager 2019-10-31 12:42:49 +01:00
parent 919ab60540
commit 08c9db9725
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GPG Key ID: A61B9D4C393C59C7
2 changed files with 17 additions and 2 deletions
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3
contractcourt/chain_arbitrator.go
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@ -15,7 +15,6 @@ import (
"github.com/lightningnetwork/lnd/lnwallet"
"github.com/lightningnetwork/lnd/lnwallet/chainfee"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/sweep"
)
// ErrChainArbExiting signals that the chain arbitrator is shutting down.
@ -141,7 +140,7 @@ type ChainArbitratorConfig struct {
DisableChannel func(wire.OutPoint) error
// Sweeper allows resolvers to sweep their final outputs.
Sweeper *sweep.UtxoSweeper
Sweeper UtxoSweeper
// Registry is the invoice database that is used by resolvers to lookup
// preimages and settle invoices.

16
contractcourt/interfaces.go
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@ -3,11 +3,14 @@ package contractcourt
import (
"io"
"github.com/btcsuite/btcd/wire"
"github.com/lightningnetwork/lnd/channeldb"
"github.com/lightningnetwork/lnd/htlcswitch/hop"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/invoices"
"github.com/lightningnetwork/lnd/lntypes"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/sweep"
)
// Registry is an interface which represents the invoice registry.
@ -36,3 +39,16 @@ type OnionProcessor interface {
// the passed io.Reader instance.
ReconstructHopIterator(r io.Reader, rHash []byte) (hop.Iterator, error)
}
// UtxoSweeper defines the sweep functions that contract court requires.
type UtxoSweeper interface {
// SweepInput sweeps inputs back into the wallet.
SweepInput(input input.Input,
feePreference sweep.FeePreference) (chan sweep.Result, error)
// CreateSweepTx accepts a list of inputs and signs and generates a txn
// that spends from them. This method also makes an accurate fee
// estimate before generating the required witnesses.
CreateSweepTx(inputs []input.Input, feePref sweep.FeePreference,
currentBlockHeight uint32) (*wire.MsgTx, error)
}