mempool/backend/src/routes.ts

662 lines
18 KiB
TypeScript

import config from './config';
import { Request, Response } from 'express';
import statistics from './api/statistics';
import feeApi from './api/fee-api';
import backendInfo from './api/backend-info';
import mempoolBlocks from './api/mempool-blocks';
import mempool from './api/mempool';
import bisq from './api/bisq/bisq';
import websocketHandler from './api/websocket-handler';
import bisqMarket from './api/bisq/markets-api';
import { OptimizedStatistic, RequiredSpec, TransactionExtended } from './mempool.interfaces';
import { MarketsApiError } from './api/bisq/interfaces';
import { IEsploraApi } from './api/bitcoin/esplora-api.interface';
import donations from './api/donations';
import logger from './logger';
import bitcoinApi from './api/bitcoin/bitcoin-api-factory';
import transactionUtils from './api/transaction-utils';
import blocks from './api/blocks';
class Routes {
private cache: { [date: string]: OptimizedStatistic[] } = {
'24h': [], '1w': [], '1m': [], '3m': [], '6m': [], '1y': [],
};
constructor() {
if (config.DATABASE.ENABLED && config.STATISTICS.ENABLED) {
this.createCache();
setInterval(this.createCache.bind(this), 600000);
}
}
private async createCache() {
this.cache['24h'] = await statistics.$list24H();
this.cache['1w'] = await statistics.$list1W();
this.cache['1m'] = await statistics.$list1M();
this.cache['3m'] = await statistics.$list3M();
this.cache['6m'] = await statistics.$list6M();
this.cache['1y'] = await statistics.$list1Y();
logger.debug('Statistics cache created');
}
public async get2HStatistics(req: Request, res: Response) {
const result = await statistics.$list2H();
res.json(result);
}
public get24HStatistics(req: Request, res: Response) {
res.json(this.cache['24h']);
}
public get1WHStatistics(req: Request, res: Response) {
res.json(this.cache['1w']);
}
public get1MStatistics(req: Request, res: Response) {
res.json(this.cache['1m']);
}
public get3MStatistics(req: Request, res: Response) {
res.json(this.cache['3m']);
}
public get6MStatistics(req: Request, res: Response) {
res.json(this.cache['6m']);
}
public get1YStatistics(req: Request, res: Response) {
res.json(this.cache['1y']);
}
public getInitData(req: Request, res: Response) {
try {
const result = websocketHandler.getInitData();
res.json(result);
} catch (e) {
res.status(500).send(e.message);
}
}
public async getRecommendedFees(req: Request, res: Response) {
if (!mempool.isInSync()) {
res.statusCode = 503;
res.send('Service Unavailable');
return;
}
const result = feeApi.getRecommendedFee();
res.json(result);
}
public getMempoolBlocks(req: Request, res: Response) {
try {
const result = mempoolBlocks.getMempoolBlocks();
res.json(result);
} catch (e) {
res.status(500).send(e.message);
}
}
public getTransactionTimes(req: Request, res: Response) {
if (!Array.isArray(req.query.txId)) {
res.status(500).send('Not an array');
return;
}
const txIds: string[] = [];
for (const _txId in req.query.txId) {
if (typeof req.query.txId[_txId] === 'string') {
txIds.push(req.query.txId[_txId].toString());
}
}
const times = mempool.getFirstSeenForTransactions(txIds);
res.json(times);
}
public getBackendInfo(req: Request, res: Response) {
res.json(backendInfo.getBackendInfo());
}
public async createDonationRequest(req: Request, res: Response) {
const constraints: RequiredSpec = {
'amount': {
required: true,
types: ['@float']
},
'orderId': {
required: true,
types: ['@string']
}
};
const p = this.parseRequestParameters(req.body, constraints);
if (p.error) {
res.status(400).send(p.error);
return;
}
if (p.orderId !== '' && !/^(@|)[a-zA-Z0-9_]{1,15}$/.test(p.orderId)) {
res.status(400).send('Invalid Twitter handle');
return;
}
if (p.amount < 0.001) {
res.status(400).send('Amount needs to be at least 0.001');
return;
}
if (p.amount > 1000) {
res.status(400).send('Amount too large');
return;
}
try {
const result = await donations.$createRequest(p.amount, p.orderId);
res.json(result);
} catch (e) {
res.status(500).send(e.message);
}
}
public async getDonations(req: Request, res: Response) {
try {
const result = await donations.$getDonationsFromDatabase('handle, imageUrl');
res.json(result);
} catch (e) {
res.status(500).send(e.message);
}
}
public async getSponsorImage(req: Request, res: Response) {
try {
const result = await donations.getSponsorImage(req.params.id);
if (result) {
res.set('Content-Type', 'image/jpeg');
res.send(result);
} else {
res.status(404).end();
}
} catch (e) {
res.status(500).send(e.message);
}
}
public async donationWebhook(req: Request, res: Response) {
try {
donations.$handleWebhookRequest(req.body);
res.end();
} catch (e) {
res.status(500).send(e);
}
}
public getBisqStats(req: Request, res: Response) {
const result = bisq.getStats();
res.json(result);
}
public getBisqTip(req: Request, res: Response) {
const result = bisq.getLatestBlockHeight();
res.type('text/plain');
res.send(result.toString());
}
public getBisqTransaction(req: Request, res: Response) {
const result = bisq.getTransaction(req.params.txId);
if (result) {
res.json(result);
} else {
res.status(404).send('Bisq transaction not found');
}
}
public getBisqTransactions(req: Request, res: Response) {
const types: string[] = [];
req.query.types = req.query.types || [];
if (!Array.isArray(req.query.types)) {
res.status(500).send('Types is not an array');
return;
}
for (const _type in req.query.types) {
if (typeof req.query.types[_type] === 'string') {
types.push(req.query.types[_type].toString());
}
}
const index = parseInt(req.params.index, 10) || 0;
const length = parseInt(req.params.length, 10) > 100 ? 100 : parseInt(req.params.length, 10) || 25;
const [transactions, count] = bisq.getTransactions(index, length, types);
res.header('X-Total-Count', count.toString());
res.json(transactions);
}
public getBisqBlock(req: Request, res: Response) {
const result = bisq.getBlock(req.params.hash);
if (result) {
res.json(result);
} else {
res.status(404).send('Bisq block not found');
}
}
public getBisqBlocks(req: Request, res: Response) {
const index = parseInt(req.params.index, 10) || 0;
const length = parseInt(req.params.length, 10) > 100 ? 100 : parseInt(req.params.length, 10) || 25;
const [transactions, count] = bisq.getBlocks(index, length);
res.header('X-Total-Count', count.toString());
res.json(transactions);
}
public getBisqAddress(req: Request, res: Response) {
const result = bisq.getAddress(req.params.address.substr(1));
if (result) {
res.json(result);
} else {
res.status(404).send('Bisq address not found');
}
}
public getBisqMarketCurrencies(req: Request, res: Response) {
const constraints: RequiredSpec = {
'type': {
required: false,
types: ['crypto', 'fiat', 'all']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getCurrencies(p.type);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketCurrencies error'));
}
}
public getBisqMarketDepth(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: true,
types: ['@string']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getDepth(p.market);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketDepth error'));
}
}
public getBisqMarketMarkets(req: Request, res: Response) {
const result = bisqMarket.getMarkets();
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketMarkets error'));
}
}
public getBisqMarketTrades(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: true,
types: ['@string']
},
'timestamp_from': {
required: false,
types: ['@number']
},
'timestamp_to': {
required: false,
types: ['@number']
},
'trade_id_to': {
required: false,
types: ['@string']
},
'trade_id_from': {
required: false,
types: ['@string']
},
'direction': {
required: false,
types: ['buy', 'sell']
},
'limit': {
required: false,
types: ['@number']
},
'sort': {
required: false,
types: ['asc', 'desc']
}
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getTrades(p.market, p.timestamp_from,
p.timestamp_to, p.trade_id_from, p.trade_id_to, p.direction, p.limit, p.sort);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketTrades error'));
}
}
public getBisqMarketOffers(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: true,
types: ['@string']
},
'direction': {
required: false,
types: ['buy', 'sell']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getOffers(p.market, p.direction);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketOffers error'));
}
}
public getBisqMarketVolumes(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: false,
types: ['@string']
},
'interval': {
required: false,
types: ['minute', 'half_hour', 'hour', 'half_day', 'day', 'week', 'month', 'year', 'auto']
},
'timestamp_from': {
required: false,
types: ['@number']
},
'timestamp_to': {
required: false,
types: ['@number']
},
'milliseconds': {
required: false,
types: ['@boolean']
},
'timestamp': {
required: false,
types: ['no', 'yes']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getVolumes(p.market, p.timestamp_from, p.timestamp_to, p.interval, p.milliseconds, p.timestamp);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketVolumes error'));
}
}
public getBisqMarketHloc(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: true,
types: ['@string']
},
'interval': {
required: false,
types: ['minute', 'half_hour', 'hour', 'half_day', 'day', 'week', 'month', 'year', 'auto']
},
'timestamp_from': {
required: false,
types: ['@number']
},
'timestamp_to': {
required: false,
types: ['@number']
},
'milliseconds': {
required: false,
types: ['@boolean']
},
'timestamp': {
required: false,
types: ['no', 'yes']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getHloc(p.market, p.interval, p.timestamp_from, p.timestamp_to, p.milliseconds, p.timestamp);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketHloc error'));
}
}
public getBisqMarketTicker(req: Request, res: Response) {
const constraints: RequiredSpec = {
'market': {
required: false,
types: ['@string']
},
};
const p = this.parseRequestParameters(req.query, constraints);
if (p.error) {
res.status(400).json(this.getBisqMarketErrorResponse(p.error));
return;
}
const result = bisqMarket.getTicker(p.market);
if (result) {
res.json(result);
} else {
res.status(500).json(this.getBisqMarketErrorResponse('getBisqMarketTicker error'));
}
}
private parseRequestParameters(requestParams: object, params: RequiredSpec): { [name: string]: any; } {
const final = {};
for (const i in params) {
if (params.hasOwnProperty(i)) {
if (params[i].required && requestParams[i] === undefined) {
return { error: i + ' parameter missing'};
}
if (typeof requestParams[i] === 'string') {
const str = (requestParams[i] || '').toString().toLowerCase();
if (params[i].types.indexOf('@number') > -1) {
const number = parseInt((str).toString(), 10);
final[i] = number;
} else if (params[i].types.indexOf('@string') > -1) {
final[i] = str;
} else if (params[i].types.indexOf('@boolean') > -1) {
final[i] = str === 'true' || str === 'yes';
} else if (params[i].types.indexOf(str) > -1) {
final[i] = str;
} else {
return { error: i + ' parameter invalid'};
}
} else if (typeof requestParams[i] === 'number') {
final[i] = requestParams[i];
}
}
}
return final;
}
private getBisqMarketErrorResponse(message: string): MarketsApiError {
return {
'success': 0,
'error': message
};
}
public async getTransaction(req: Request, res: Response) {
try {
const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, false, true);
if (transaction) {
res.json(transaction);
} else {
res.status(500).send('Error fetching transaction.');
}
} catch (e) {
res.status(500).send(e.message || e);
}
}
public async getBlock(req: Request, res: Response) {
try {
const result = await bitcoinApi.$getBlock(req.params.hash);
res.json(result);
} catch (e) {
res.status(500).send(e.message || e);
}
}
public async getBlocks(req: Request, res: Response) {
try {
const returnBlocks: IEsploraApi.Block[] = [];
const fromHeight = parseInt(req.params.height, 10) || blocks.getCurrentBlockHeight();
// Check if block height exist in local cache to skip the hash lookup
const blockByHeight = blocks.getBlocks().find((b) => b.height === fromHeight);
let startFromHash: string | null = null;
if (blockByHeight) {
startFromHash = blockByHeight.id;
} else {
startFromHash = await bitcoinApi.$getBlockHash(fromHeight);
}
let nextHash = startFromHash;
for (let i = 0; i < 10; i++) {
const localBlock = blocks.getBlocks().find((b) => b.id === nextHash);
if (localBlock) {
returnBlocks.push(localBlock);
nextHash = localBlock.previousblockhash;
} else {
const block = await bitcoinApi.$getBlock(nextHash);
returnBlocks.push(block);
nextHash = block.previousblockhash;
}
}
res.json(returnBlocks);
} catch (e) {
res.status(500).send(e.message || e);
}
}
public async getBlockTransactions(req: Request, res: Response) {
try {
const txIds = await bitcoinApi.$getTxIdsForBlock(req.params.hash);
const transactions: TransactionExtended[] = [];
const startingIndex = Math.max(0, parseInt(req.params.index, 10));
for (let i = startingIndex; i < Math.min(startingIndex + 10, txIds.length); i++) {
const transaction = await transactionUtils.$getTransactionExtended(txIds[i], false, true);
if (transaction) {
transactions.push(transaction);
}
}
res.json(transactions);
} catch (e) {
res.status(500).send(e.message || e);
}
}
public async getBlockHeight(req: Request, res: Response) {
try {
const blockHash = await bitcoinApi.$getBlockHash(parseInt(req.params.height, 10));
res.send(blockHash);
} catch (e) {
res.status(500).send(e.message || e);
}
}
public async getAddress(req: Request, res: Response) {
if (config.MEMPOOL.BACKEND === 'none') {
res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
return;
}
try {
const addressData = await bitcoinApi.$getAddress(req.params.address);
res.json(addressData);
} catch (e) {
if (e.message && e.message.indexOf('exceeds') > 0) {
return res.status(413).send(e.message);
}
res.status(500).send(e.message || e);
}
}
public async getAddressTransactions(req: Request, res: Response) {
if (config.MEMPOOL.BACKEND === 'none') {
res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
return;
}
try {
const transactions = await bitcoinApi.$getAddressTransactions(req.params.address, req.params.txId);
res.json(transactions);
} catch (e) {
if (e.message && e.message.indexOf('exceeds') > 0) {
return res.status(413).send(e.message);
}
res.status(500).send(e.message || e);
}
}
public async getAdressTxChain(req: Request, res: Response) {
res.status(404).send('Not implemented');
}
public async getAddressPrefix(req: Request, res: Response) {
res.json([]);
}
public getTransactionOutspends(req: Request, res: Response) {
res.json([]);
}
}
export default new Routes();