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sweep: expand InputSet with more interface methods

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This commit adds more interface methods to `InputSet` to prepare the
addition of budget-based aggregator.
This commit is contained in:
yyforyongyu 2024-01-17 00:25:41 +08:00
parent d0a8f27d84
commit db7eae97ff
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GPG key ID: 9BCD95C4FF296868
2 changed files with 49 additions and 0 deletions
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16
sweep/mock_test.go
View file

@ -5,8 +5,10 @@ import (
"testing"
"time"
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/wire"
"github.com/lightningnetwork/lnd/fn"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/lnwallet"
"github.com/lightningnetwork/lnd/lnwallet/chainfee"
@ -446,3 +448,17 @@ func (m *MockInputSet) NeedWalletInput() bool {
return args.Bool(0)
}
// DeadlineHeight returns the deadline height for the set.
func (m *MockInputSet) DeadlineHeight() fn.Option[int32] {
args := m.Called()
return args.Get(0).(fn.Option[int32])
}
// Budget givens the total amount that can be used as fees by this input set.
func (m *MockInputSet) Budget() btcutil.Amount {
args := m.Called()
return args.Get(0).(btcutil.Amount)
}

33
sweep/tx_input_set.go
View file

@ -8,6 +8,7 @@ import (
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcd/wire"
"github.com/lightningnetwork/lnd/fn"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/lnwallet"
"github.com/lightningnetwork/lnd/lnwallet/chainfee"
@ -53,6 +54,24 @@ type InputSet interface {
// NeedWalletInput returns true if the input set needs more wallet
// inputs.
NeedWalletInput() bool
// DeadlineHeight returns an optional absolute block height to express
// the time-sensitivity of the input set. The outputs from a force
// close tx have different time preferences:
// - to_local: no time pressure as it can only be swept by us.
// - first level outgoing HTLC: must be swept before its corresponding
// incoming HTLC's CLTV is reached.
// - first level incoming HTLC: must be swept before its CLTV is
// reached.
// - second level HTLCs: no time pressure.
// - anchor: for CPFP-purpose anchor, it must be swept before any of
// the above CLTVs is reached. For non-CPFP purpose anchor, there's
// no time pressure.
DeadlineHeight() fn.Option[int32]
// Budget givens the total amount that can be used as fees by this
// input set.
Budget() btcutil.Amount
}
type txInputSetState struct {
@ -167,6 +186,20 @@ func (t *txInputSet) Inputs() []input.Input {
return t.inputs
}
// Budget gives the total amount that can be used as fees by this input set.
//
// NOTE: this field is only used for `BudgetInputSet`.
func (t *txInputSet) Budget() btcutil.Amount {
return t.totalOutput()
}
// DeadlineHeight gives the block height that this set must be confirmed by.
//
// NOTE: this field is only used for `BudgetInputSet`.
func (t *txInputSet) DeadlineHeight() fn.Option[int32] {
return fn.None[int32]()
}
// FeeRate returns the fee rate that should be used for the tx.
func (t *txInputSet) FeeRate() chainfee.SatPerKWeight {
return t.feeRate