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lnwallet+sweep: cap conf target used in fee estimator

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This commit is contained in:
yyforyongyu
2024-03-18 10:56:41 +08:00
parent 1fa8ca72ee
commit 0fc5301d12
3 changed files with 35 additions and 7 deletions
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14
lnwallet/chainfee/estimator.go
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@@ -17,11 +17,11 @@ import (
)
const (
// maxBlockTarget is the highest number of blocks confirmations that
// MaxBlockTarget is the highest number of blocks confirmations that
// a WebAPIEstimator will cache fees for. This number is chosen
// because it's the highest number of confs bitcoind will return a fee
// estimate for.
maxBlockTarget uint32 = 1008
MaxBlockTarget uint32 = 1008
// minBlockTarget is the lowest number of blocks confirmations that
// a WebAPIEstimator will cache fees for. Requesting an estimate for
@@ -463,11 +463,11 @@ func (b *BitcoindEstimator) Stop() error {
func (b *BitcoindEstimator) EstimateFeePerKW(
numBlocks uint32) (SatPerKWeight, error) {
if numBlocks > maxBlockTarget {
if numBlocks > MaxBlockTarget {
log.Debugf("conf target %d exceeds the max value, "+
"use %d instead.", numBlocks, maxBlockTarget,
"use %d instead.", numBlocks, MaxBlockTarget,
)
numBlocks = maxBlockTarget
numBlocks = MaxBlockTarget
}
feeEstimate, err := b.fetchEstimate(numBlocks, b.feeMode)
@@ -761,8 +761,8 @@ func NewWebAPIEstimator(api WebAPIFeeSource, noCache bool) *WebAPIEstimator {
func (w *WebAPIEstimator) EstimateFeePerKW(numBlocks uint32) (
SatPerKWeight, error) {
if numBlocks > maxBlockTarget {
numBlocks = maxBlockTarget
if numBlocks > MaxBlockTarget {
numBlocks = MaxBlockTarget
} else if numBlocks < minBlockTarget {
return 0, fmt.Errorf("conf target of %v is too low, minimum "+
"accepted is %v", numBlocks, minBlockTarget)