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Improve marginal fee rate detection

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Mononaut 2024-04-01 08:42:23 +00:00
parent bd4e223aed
commit 03255dd077
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1 changed files with 4 additions and 2 deletions
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6
backend/src/api/audit.ts
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@ -83,11 +83,13 @@ class Audit {
const tx = mempool[txid]; const tx = mempool[txid];
if (tx) { if (tx) {
const fits = (tx.weight - displacedWeightRemaining) < 4000; const fits = (tx.weight - displacedWeightRemaining) < 4000;
const feeMatches = tx.effectiveFeePerVsize >= lastFeeRate; // 0.005 margin of error for any remaining vsize rounding issues
const feeMatches = tx.effectiveFeePerVsize >= (lastFeeRate - 0.005);
if (fits || feeMatches) { if (fits || feeMatches) {
isDisplaced[txid] = true; isDisplaced[txid] = true;
if (fits) { if (fits) {
lastFeeRate = Math.min(lastFeeRate, tx.effectiveFeePerVsize); // (tx.effectiveFeePerVsize * tx.vsize) / Math.ceil(tx.vsize) attempts to correct for vsize rounding in the simple non-CPFP case
lastFeeRate = Math.min(lastFeeRate, (tx.effectiveFeePerVsize * tx.vsize) / Math.ceil(tx.vsize));
} }
if (tx.firstSeen == null || (now - (tx?.firstSeen || 0)) > PROPAGATION_MARGIN) { if (tx.firstSeen == null || (now - (tx?.firstSeen || 0)) > PROPAGATION_MARGIN) {
displacedWeightRemaining -= tx.weight; displacedWeightRemaining -= tx.weight;