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Basic bitcoind/romanz-electrum support to sync the mempool and blocks.

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softsimon
2020-12-20 22:36:36 +07:00
parent 5a4a976d55
commit 5dbf6789a7
12 changed files with 393 additions and 38 deletions
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39
backend/src/api/blocks.ts
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@@ -1,7 +1,8 @@
import bitcoinApi from './bitcoin/electrs-api';
import config from '../config';
import bitcoinApi from './bitcoin/bitcoin-api-factory';
import logger from '../logger';
import memPool from './mempool';
import { Block, TransactionExtended, TransactionMinerInfo } from '../interfaces';
import { Block, Transaction, TransactionExtended, TransactionMinerInfo } from '../interfaces';
import { Common } from './common';
import diskCache from './disk-cache';
@@ -55,31 +56,38 @@ class Blocks {
logger.debug(`New block found (#${this.currentBlockHeight})!`);
}
let transactions: TransactionExtended[] = [];
const blockHash = await bitcoinApi.getBlockHash(this.currentBlockHeight);
const block = await bitcoinApi.getBlock(blockHash);
const txIds = await bitcoinApi.getTxIdsForBlock(blockHash);
let txIds: string[] = await bitcoinApi.getTxIdsForBlock(blockHash);
const mempool = memPool.getMempool();
let found = 0;
let notFound = 0;
const transactions: TransactionExtended[] = [];
for (let i = 0; i < txIds.length; i++) {
if (mempool[txIds[i]]) {
transactions.push(mempool[txIds[i]]);
found++;
} else {
logger.debug(`Fetching block tx ${i} of ${txIds.length}`);
const tx = await memPool.getTransactionExtended(txIds[i]);
if (tx) {
transactions.push(tx);
if (config.MEMPOOL.BACKEND === 'electrs') {
logger.debug(`Fetching block tx ${i} of ${txIds.length}`);
const tx = await memPool.getTransactionExtended(txIds[i]);
if (tx) {
transactions.push(tx);
}
} else { // When using bitcoind, just skip parsing past block tx's for now
if (i === 0) {
const tx = await memPool.getTransactionExtended(txIds[i], true);
if (tx) {
transactions.push(tx);
}
}
}
notFound++;
}
}
logger.debug(`${found} of ${txIds.length} found in mempool. ${notFound} not found.`);
logger.debug(`${found} of ${txIds.length} found in mempool. ${txIds.length - found} not found.`);
block.reward = transactions[0].vout.reduce((acc, curr) => acc + curr.value, 0);
block.coinbaseTx = this.stripCoinbaseTransaction(transactions[0]);
@@ -110,10 +118,13 @@ class Blocks {
private stripCoinbaseTransaction(tx: TransactionExtended): TransactionMinerInfo {
return {
vin: [{
scriptsig: tx.vin[0].scriptsig
scriptsig: tx.vin[0].scriptsig || tx.vin[0]['coinbase']
}],
vout: tx.vout
.map((vout) => ({ scriptpubkey_address: vout.scriptpubkey_address, value: vout.value }))
.map((vout) => ({
scriptpubkey_address: vout.scriptpubkey_address || (vout['scriptPubKey']['addresses'] && vout['scriptPubKey']['addresses'][0]) || null,
value: vout.value
}))
.filter((vout) => vout.value)
};
}