machankura/mempool
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Big refactor of multiple backends handling.

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This commit is contained in:
softsimon
2020-12-28 04:47:22 +07:00
parent 8d0db12abe
commit bb28a56622
27 changed files with 946 additions and 869 deletions
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21
backend/src/api/mempool.ts
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@@ -1,15 +1,18 @@
import config from '../config';
import bitcoinApi from './bitcoin/bitcoin-api-factory';
import { MempoolInfo, TransactionExtended, Transaction, VbytesPerSecond, MempoolEntry, MempoolEntries } from '../interfaces';
import { TransactionExtended, VbytesPerSecond } from '../mempool.interfaces';
import logger from '../logger';
import { Common } from './common';
import transactionUtils from './transaction-utils';
import { IBitcoinApi } from './bitcoin/bitcoin-api.interface';
import bitcoinBaseApi from './bitcoin/bitcoin-base.api';
class Mempool {
private inSync: boolean = false;
private mempoolCache: { [txId: string]: TransactionExtended } = {};
private mempoolInfo: MempoolInfo = { size: 0, bytes: 0 };
private mempoolChangedCallback: ((newMempool: { [txId: string]: TransactionExtended; }, newTransactions: TransactionExtended[],
private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0,
maxmempool: 0, mempoolminfee: 0, minrelaytxfee: 0 };
private mempoolChangedCallback: ((newMempool: {[txId: string]: TransactionExtended; }, newTransactions: TransactionExtended[],
deletedTransactions: TransactionExtended[]) => void) | undefined;
private txPerSecondArray: number[] = [];
@@ -49,10 +52,10 @@ class Mempool {
}
public async $updateMemPoolInfo() {
this.mempoolInfo = await bitcoinApi.$getMempoolInfo();
this.mempoolInfo = await bitcoinBaseApi.$getMempoolInfo();
}
public getMempoolInfo(): MempoolInfo | undefined {
public getMempoolInfo(): IBitcoinApi.MempoolInfo | undefined {
return this.mempoolInfo;
}
@@ -67,8 +70,9 @@ class Mempool {
public getFirstSeenForTransactions(txIds: string[]): number[] {
const txTimes: number[] = [];
txIds.forEach((txId: string) => {
if (this.mempoolCache[txId]) {
txTimes.push(this.mempoolCache[txId].firstSeen);
const tx = this.mempoolCache[txId];
if (tx && tx.firstSeen) {
txTimes.push(tx.firstSeen);
} else {
txTimes.push(0);
}
@@ -88,7 +92,7 @@ class Mempool {
for (const txid of transactions) {
if (!this.mempoolCache[txid]) {
const transaction = await transactionUtils.getTransactionExtended(txid, false, true);
const transaction = await transactionUtils.$getTransactionExtended(txid, true);
if (transaction) {
this.mempoolCache[txid] = transaction;
txCount++;
@@ -118,6 +122,7 @@ class Mempool {
// Prevent mempool from clear on bitcoind restart by delaying the deletion
if (this.mempoolProtection === 0
&& config.MEMPOOL.BACKEND === 'esplora'
&& currentMempoolSize > 20000
&& transactions.length / currentMempoolSize <= 0.80
) {