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Merge pull request #2824 from mempool/mononaut/more-rbf-info

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cache, serve & display more comprehensive RBF info
This commit is contained in:
softsimon
2023-01-25 17:29:21 +04:00
committed by GitHub
parent 37d6aeeeca 16bbff28fd
commit 81c0f26f7b
9 changed files with 165 additions and 27 deletions
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4
backend/src/api/common.ts
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@@ -60,8 +60,6 @@ export class Common {
static findRbfTransactions(added: TransactionExtended[], deleted: TransactionExtended[]): { [txid: string]: TransactionExtended } {
const matches: { [txid: string]: TransactionExtended } = {};
deleted
// The replaced tx must have at least one input with nSequence < maxint-1 (That’s the opt-in)
.filter((tx) => tx.vin.some((vin) => vin.sequence < 0xfffffffe))
.forEach((deletedTx) => {
const foundMatches = added.find((addedTx) => {
// The new tx must, absolutely speaking, pay at least as much fee as the replaced tx.
@@ -70,7 +68,7 @@ export class Common {
&& addedTx.feePerVsize > deletedTx.feePerVsize
// Spends one or more of the same inputs
&& deletedTx.vin.some((deletedVin) =>
addedTx.vin.some((vin) => vin.txid === deletedVin.txid));
addedTx.vin.some((vin) => vin.txid === deletedVin.txid && vin.vout === deletedVin.vout));
});
if (foundMatches) {
matches[deletedTx.txid] = foundMatches;