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Use bitcoin core instead of esplore for fetch blocks on bitcoin networks

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This commit is contained in:
nymkappa 2022-07-08 16:34:00 +02:00
parent 34719e2908
commit 131a728a06
2 changed files with 43 additions and 45 deletions
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80
backend/src/api/blocks.ts
View File

@ -168,7 +168,7 @@ class Blocks {
blockExtended.extras.avgFeeRate = stats.avgfeerate;
}
if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
let pool: PoolTag;
if (blockExtended.extras?.coinbaseTx !== undefined) {
pool = await this.$findBlockMiner(blockExtended.extras?.coinbaseTx);
@ -405,7 +405,7 @@ class Blocks {
if (blockHeightTip >= 2016) {
const previousPeriodBlockHash = await bitcoinApi.$getBlockHash(blockHeightTip - heightDiff - 2016);
const previousPeriodBlock = await bitcoinApi.$getBlock(previousPeriodBlockHash);
const previousPeriodBlock = await bitcoinClient.getBlock(previousPeriodBlockHash)
this.previousDifficultyRetarget = (block.difficulty - previousPeriodBlock.difficulty) / previousPeriodBlock.difficulty * 100;
logger.debug(`Initial difficulty adjustment data set.`);
}
@ -527,13 +527,15 @@ class Blocks {
}
}
const block = await bitcoinApi.$getBlock(hash);
let block = await bitcoinClient.getBlock(hash);
// Not Bitcoin network, return the block as it
if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false) {
return block;
}
block = prepareBlock(block);
// Bitcoin network, add our custom data on top
const transactions = await this.$getTransactionsExtended(hash, block.height, true);
const blockExtended = await this.$getBlockExtended(block, transactions);
@ -577,47 +579,43 @@ class Blocks {
}
public async $getBlocks(fromHeight?: number, limit: number = 15): Promise<BlockExtended[]> {
try {
let currentHeight = fromHeight !== undefined ? fromHeight : this.getCurrentBlockHeight();
const returnBlocks: BlockExtended[] = [];
if (currentHeight < 0) {
return returnBlocks;
}
if (currentHeight === 0 && Common.indexingEnabled()) {
currentHeight = await blocksRepository.$mostRecentBlockHeight();
}
// Check if block height exist in local cache to skip the hash lookup
const blockByHeight = this.getBlocks().find((b) => b.height === currentHeight);
let startFromHash: string | null = null;
if (blockByHeight) {
startFromHash = blockByHeight.id;
} else if (!Common.indexingEnabled()) {
startFromHash = await bitcoinApi.$getBlockHash(currentHeight);
}
let nextHash = startFromHash;
for (let i = 0; i < limit && currentHeight >= 0; i++) {
let block = this.getBlocks().find((b) => b.height === currentHeight);
if (block) {
returnBlocks.push(block);
} else if (Common.indexingEnabled()) {
block = await this.$indexBlock(currentHeight);
returnBlocks.push(block);
} else if (nextHash != null) {
block = prepareBlock(await bitcoinApi.$getBlock(nextHash));
nextHash = block.previousblockhash;
returnBlocks.push(block);
}
currentHeight--;
}
let currentHeight = fromHeight !== undefined ? fromHeight : this.getCurrentBlockHeight();
const returnBlocks: BlockExtended[] = [];
if (currentHeight < 0) {
return returnBlocks;
} catch (e) {
throw e;
}
if (currentHeight === 0 && Common.indexingEnabled()) {
currentHeight = await blocksRepository.$mostRecentBlockHeight();
}
// Check if block height exist in local cache to skip the hash lookup
const blockByHeight = this.getBlocks().find((b) => b.height === currentHeight);
let startFromHash: string | null = null;
if (blockByHeight) {
startFromHash = blockByHeight.id;
} else if (!Common.indexingEnabled()) {
startFromHash = await bitcoinApi.$getBlockHash(currentHeight);
}
let nextHash = startFromHash;
for (let i = 0; i < limit && currentHeight >= 0; i++) {
let block = this.getBlocks().find((b) => b.height === currentHeight);
if (block) {
returnBlocks.push(block);
} else if (Common.indexingEnabled()) {
block = await this.$indexBlock(currentHeight);
returnBlocks.push(block);
} else if (nextHash != null) {
block = prepareBlock(await bitcoinClient.getBlock(nextHash));
nextHash = block.previousblockhash;
returnBlocks.push(block);
}
currentHeight--;
}
return returnBlocks;
}
public getLastDifficultyAdjustmentTime(): number {

8
backend/src/utils/blocks-utils.ts
View File

@ -3,14 +3,14 @@ import { BlockExtended } from '../mempool.interfaces';
export function prepareBlock(block: any): BlockExtended {
return <BlockExtended>{
id: block.id ?? block.hash, // hash for indexed block
timestamp: block.timestamp ?? block.blockTimestamp, // blockTimestamp for indexed block
timestamp: block.timestamp ?? block.time ?? block.blockTimestamp, // blockTimestamp for indexed block
height: block.height,
version: block.version,
bits: block.bits,
bits: (typeof block.bits === 'string' ? parseInt(block.bits, 16): block.bits),
nonce: block.nonce,
difficulty: block.difficulty,
merkle_root: block.merkle_root,
tx_count: block.tx_count,
merkle_root: block.merkle_root ?? block.merkleroot,
tx_count: block.tx_count ?? block.nTx,
size: block.size,
weight: block.weight,
previousblockhash: block.previousblockhash,