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Merge pull request #20 from gimme/fee-limit-sum

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Make the fee limit the sum of base + percentage
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Peter Rounce 2022-11-19 16:34:49 +00:00 • committed by GitHub
commit ed7c3ae7cc
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2 changed files with 3 additions and 7 deletions
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5
boltcard.service
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@ -43,10 +43,9 @@ Environment="LN_PORT=10009"
Environment="LN_TLS_FILE=/home/ubuntu/boltcard/tls.cert"
Environment="LN_MACAROON_FILE=/home/ubuntu/boltcard/SendPaymentV2.macaroon"
# The maximum lightning network fee to be paid in percent of the payment amount.
# The maximum lightning network fee to be paid is the base FEE_LIMIT_SAT + the FEE_LIMIT_PERCENT of the amount.
Environment="FEE_LIMIT_SAT=5"
Environment="FEE_LIMIT_PERCENT=0.5"
# Acceptable flat fee in sats that can exceed the percentage limit.
Environment="FEE_LIMIT_SAT=10"
# email
# Environment="AWS_SES_ID="

5
lightning.go
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@ -228,9 +228,6 @@ func pay_invoice(card_payment_id int, invoice string) {
invoice_msats := bolt11.MSatoshi
fee_limit_product := int64((fee_limit_percent / 100) * (float64(invoice_msats) / 1000))
if fee_limit_product > fee_limit_sat {
fee_limit_sat = fee_limit_product
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
@ -239,7 +236,7 @@ func pay_invoice(card_payment_id int, invoice string) {
PaymentRequest: invoice,
NoInflightUpdates: true,
TimeoutSeconds: 30,
FeeLimitSat: fee_limit_sat})
FeeLimitSat: fee_limit_sat + fee_limit_product})
if err != nil {
log.WithFields(log.Fields{"card_payment_id": card_payment_id}).Warn(err)