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Increase maximum number of accepted HTLCs to 19 #817

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Merged
sstone merged 1 commit into from
Oct 9, 2025
Merged

Increase maximum number of accepted HTLCs to 19 #817

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2 changes: 1 addition & 1 deletion modules/core/src/commonMain/kotlin/fr/acinq/lightning/NodeParams.kt
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Expand Up @@ -223,7 +223,7 @@ data class NodeParams(
feerateTolerance = FeerateTolerance(ratioLow = 0.01, ratioHigh = 100.0)
),
maxHtlcValueInFlightMsat = 20_000_000_000L,
maxAcceptedHtlcs = 12,
maxAcceptedHtlcs = 19,
expiryDeltaBlocks = CltvExpiryDelta(144),
// We use a long expiry delta here for a few reasons:
// - we want to ensure we're able to get HTLC-success txs confirmed if our peer ignores our preimage
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4 changes: 2 additions & 2 deletions ...mmonTest/kotlin/fr/acinq/lightning/serialization/channel/StateSerializationTestsCommon.kt
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Expand Up @@ -91,8 +91,8 @@ class StateSerializationTestsCommon : LightningTestSuite() {
.maxOf { it.size }
}

// with 12 incoming payments and 12 outgoing payments, our encrypted backup stays below the 65k limit for peer storage
assertTrue(peerStorageSize(12, 12) <= 65_000)
// with 19 incoming payments and 18 outgoing payments, our encrypted backup stays below the 65k limit for peer storage
assertTrue(peerStorageSize(19, 19) <= 65_000)
}

@Test
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