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lnwallet: add configurable cache for web fee estimator

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Add fee.min-update-timeout and fee.max-update-timeout config options to
allow configuration of the web fee estimator cache.
This commit is contained in:
Tom Kirkpatrick
2024-04-23 09:49:04 +02:00
committed by yyforyongyu
parent fa616ee059
commit 3837c3f12e
15 changed files with 202 additions and 55 deletions
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20
lncfg/fee.go Normal file
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@@ -0,0 +1,20 @@
package lncfg
import "time"
// DefaultMinUpdateTimeout represents the minimum interval in which a
// WebAPIEstimator will request fresh fees from its API.
const DefaultMinUpdateTimeout = 5 * time.Minute
// DefaultMaxUpdateTimeout represents the maximum interval in which a
// WebAPIEstimator will request fresh fees from its API.
const DefaultMaxUpdateTimeout = 20 * time.Minute
// Fee holds the configuration options for fee estimation.
//
//nolint:lll
type Fee struct {
URL string `long:"url" description:"Optional URL for external fee estimation. If no URL is specified, the method for fee estimation will depend on the chosen backend and network. Must be set for neutrino on mainnet."`
MinUpdateTimeout time.Duration `long:"min-update-timeout" description:"The minimum interval in which fees will be updated from the specified fee URL."`
MaxUpdateTimeout time.Duration `long:"max-update-timeout" description:"The maximum interval in which fees will be updated from the specified fee URL."`
}

1
lncfg/neutrino.go
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@@ -12,7 +12,6 @@ type Neutrino struct {
MaxPeers int `long:"maxpeers" description:"Max number of inbound and outbound peers"`
BanDuration time.Duration `long:"banduration" description:"How long to ban misbehaving peers. Valid time units are {s, m, h}. Minimum 1 second"`
BanThreshold uint32 `long:"banthreshold" description:"Maximum allowed ban score before disconnecting and banning misbehaving peers."`
FeeURL string `long:"feeurl" description:"DEPRECATED: Use top level 'feeurl' option. Optional URL for fee estimation. If a URL is not specified, static fees will be used for estimation." hidden:"true"`
AssertFilterHeader string `long:"assertfilterheader" description:"Optional filter header in height:hash format to assert the state of neutrino's filter header chain on startup. If the assertion does not hold, then the filter header chain will be re-synced from the genesis block."`
UserAgentName string `long:"useragentname" description:"Used to help identify ourselves to other bitcoin peers"`
UserAgentVersion string `long:"useragentversion" description:"Used to help identify ourselves to other bitcoin peers"`