Refactoring backend routes code
This commit is contained in:
softsimon
238
backend/src/api/mining/mining-routes.ts
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238
backend/src/api/mining/mining-routes.ts
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@@ -0,0 +1,238 @@
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import { Application, Request, Response } from 'express';
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import config from "../../config";
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import logger from '../../logger';
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import BlocksAuditsRepository from '../../repositories/BlocksAuditsRepository';
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import BlocksRepository from '../../repositories/BlocksRepository';
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import DifficultyAdjustmentsRepository from '../../repositories/DifficultyAdjustmentsRepository';
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import HashratesRepository from '../../repositories/HashratesRepository';
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import bitcoinClient from '../bitcoin/bitcoin-client';
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import mining from "./mining";
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class MiningRoutes {
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public initRoutes(app: Application) {
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app
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/pools/:interval', this.$getPools)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/pool/:slug/hashrate', this.$getPoolHistoricalHashrate)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/pool/:slug/blocks', this.$getPoolBlocks)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/pool/:slug/blocks/:height', this.$getPoolBlocks)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/pool/:slug', this.$getPool)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/pools/:interval', this.$getPoolsHistoricalHashrate)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/:interval', this.$getHistoricalHashrate)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/difficulty-adjustments', this.$getDifficultyAdjustments)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/reward-stats/:blockCount', this.$getRewardStats)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/blocks/fees/:interval', this.$getHistoricalBlockFees)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/blocks/rewards/:interval', this.$getHistoricalBlockRewards)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/blocks/fee-rates/:interval', this.$getHistoricalBlockFeeRates)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/blocks/sizes-weights/:interval', this.$getHistoricalBlockSizeAndWeight)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/difficulty-adjustments/:interval', this.$getDifficultyAdjustments)
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.get(config.MEMPOOL.API_URL_PREFIX + 'mining/blocks/predictions/:interval', this.$getHistoricalBlockPrediction)
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;
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}
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private async $getPool(req: Request, res: Response): Promise<void> {
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try {
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const stats = await mining.$getPoolStat(req.params.slug);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(stats);
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} catch (e) {
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if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
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res.status(404).send(e.message);
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} else {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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}
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private async $getPoolBlocks(req: Request, res: Response) {
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try {
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const poolBlocks = await BlocksRepository.$getBlocksByPool(
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req.params.slug,
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req.params.height === undefined ? undefined : parseInt(req.params.height, 10),
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);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(poolBlocks);
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} catch (e) {
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if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
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res.status(404).send(e.message);
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} else {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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}
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private async $getPools(req: Request, res: Response) {
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try {
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const stats = await mining.$getPoolsStats(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(stats);
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getPoolsHistoricalHashrate(req: Request, res: Response) {
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try {
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const hashrates = await HashratesRepository.$getPoolsWeeklyHashrate(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
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res.json(hashrates);
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getPoolHistoricalHashrate(req: Request, res: Response) {
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try {
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const hashrates = await HashratesRepository.$getPoolWeeklyHashrate(req.params.slug);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
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res.json(hashrates);
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} catch (e) {
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if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
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res.status(404).send(e.message);
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} else {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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}
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private async $getHistoricalHashrate(req: Request, res: Response) {
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let currentHashrate = 0, currentDifficulty = 0;
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try {
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currentHashrate = await bitcoinClient.getNetworkHashPs();
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currentDifficulty = await bitcoinClient.getDifficulty();
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} catch (e) {
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logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate and difficulty');
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}
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try {
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const hashrates = await HashratesRepository.$getNetworkDailyHashrate(req.params.interval);
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const difficulty = await DifficultyAdjustmentsRepository.$getAdjustments(req.params.interval, false);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
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res.json({
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hashrates: hashrates,
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difficulty: difficulty,
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currentHashrate: currentHashrate,
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currentDifficulty: currentDifficulty,
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});
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getHistoricalBlockFees(req: Request, res: Response) {
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try {
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const blockFees = await mining.$getHistoricalBlockFees(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(blockFees);
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getHistoricalBlockRewards(req: Request, res: Response) {
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try {
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const blockRewards = await mining.$getHistoricalBlockRewards(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(blockRewards);
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getHistoricalBlockFeeRates(req: Request, res: Response) {
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try {
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const blockFeeRates = await mining.$getHistoricalBlockFeeRates(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(blockFeeRates);
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getHistoricalBlockSizeAndWeight(req: Request, res: Response) {
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try {
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const blockSizes = await mining.$getHistoricalBlockSizes(req.params.interval);
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const blockWeights = await mining.$getHistoricalBlockWeights(req.params.interval);
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const blockCount = await BlocksRepository.$blockCount(null, null);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json({
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sizes: blockSizes,
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weights: blockWeights
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});
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getDifficultyAdjustments(req: Request, res: Response) {
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try {
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const difficulty = await DifficultyAdjustmentsRepository.$getRawAdjustments(req.params.interval, true);
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
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res.json(difficulty.map(adj => [adj.time, adj.height, adj.difficulty, adj.adjustment]));
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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private async $getRewardStats(req: Request, res: Response) {
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try {
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const response = await mining.$getRewardStats(parseInt(req.params.blockCount, 10));
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(response);
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} catch (e) {
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res.status(500).end();
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}
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}
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private async $getHistoricalBlockPrediction(req: Request, res: Response) {
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try {
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const blockPredictions = await mining.$getBlockPredictionsHistory(req.params.interval);
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const blockCount = await BlocksAuditsRepository.$getPredictionsCount();
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res.header('Pragma', 'public');
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res.header('Cache-control', 'public');
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res.header('X-total-count', blockCount.toString());
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res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
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res.json(blockPredictions.map(prediction => [prediction.time, prediction.height, prediction.match_rate]));
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} catch (e) {
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res.status(500).send(e instanceof Error ? e.message : e);
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}
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}
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}
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export default new MiningRoutes();
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