highperfocused/lnd
1
0
Fork 0
mirror of https://github.com/lightningnetwork/lnd.git synced 2025-05-28 12:39:51 +02:00
Code Issues Packages Projects Releases Wiki Activity

sweep: prioritize smaller inputs when adding wallet UTXOs

Browse Source 
This commit sorts wallet UTXOs by their values when using them for
sweeping inputs. This way we'd avoid locking large UTXOs when sweeping
inputs and also provide an opportunity to aggregate wallet UTXOs.
This commit is contained in:
yyforyongyu 2023-09-07 00:52:57 +08:00 committed by Olaoluwa Osuntokun
parent dde605d375
commit c2148ad757
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sweep/tx_input_set.go
View File

@ -3,6 +3,7 @@ package sweep
import (
"fmt"
"math"
"sort"
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/txscript"
@ -375,6 +376,15 @@ func (t *txInputSet) tryAddWalletInputsIfNeeded() error {
return err
}
// Sort the UTXOs by putting smaller values at the start of the slice
// to avoid locking large UTXO for sweeping.
//
// TODO(yy): add more choices to CoinSelectionStrategy and use the
// configured value here.
sort.Slice(utxos, func(i, j int) bool {
return utxos[i].Value < utxos[j].Value
})
for _, utxo := range utxos {
input, err := createWalletTxInput(utxo)
if err != nil {