1172 lines
22 KiB
JavaScript
1172 lines
22 KiB
JavaScript
const http = require('http')
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const net = require('net')
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const {
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checkPassword,
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createSession,
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isValidSession,
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} = require('./auth')
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const {
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listAddresses,
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addAddress,
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removeAddress,
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} = require('./addresses')
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const {
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addressToScriptPubKey,
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scriptPubKeyToScripthash,
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addressToScripthash,
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} = require('./bitcoin-address')
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const {
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getTransaction,
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} = require('./transactions')
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const port = 8080
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const fulcrumTimeoutMs = 3000
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const fs = require('fs')
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const path = require('path')
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const addressCacheDir = '/data/cache/addresses'
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const addressCacheMaxAgeMs = 60000
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const addressTransactionPageSize = 50
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const addressRefreshes = new Map()
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function ensureAddressCacheDir() {
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fs.mkdirSync(addressCacheDir, {
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recursive: true,
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})
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}
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function getAddressCachePath(scripthash) {
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return path.join(
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addressCacheDir,
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`${scripthash}.json`,
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)
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}
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function readAddressCache(scripthash) {
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try {
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const cachePath =
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getAddressCachePath(scripthash)
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const stat = fs.statSync(cachePath)
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const data =
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JSON.parse(
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fs.readFileSync(
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cachePath,
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'utf8',
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),
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)
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if (
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!data ||
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typeof data !== 'object' ||
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!data.address
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) {
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return null
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}
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return {
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data,
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ageMs: Math.max(
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0,
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Date.now() - stat.mtimeMs,
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),
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}
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} catch {
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return null
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}
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}
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function writeAddressCache(data) {
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try {
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ensureAddressCacheDir()
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const cachePath =
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getAddressCachePath(
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data.scripthash,
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)
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const tempPath =
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`${cachePath}.${process.pid}.tmp`
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fs.writeFileSync(
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tempPath,
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JSON.stringify(data),
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'utf8',
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)
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fs.renameSync(
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tempPath,
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cachePath,
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)
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} catch (error) {
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console.error(
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'Failed to write address cache:',
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error,
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)
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}
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}
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function refreshAddressCache(
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address,
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scripthash,
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) {
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const existing =
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addressRefreshes.get(scripthash)
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if (existing) {
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return existing
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}
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const refresh =
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getAddressDataFromFulcrum(
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address,
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scripthash,
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)
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.then((data) => {
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writeAddressCache(data)
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return data
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})
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.catch((error) => {
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console.error(
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`Failed to refresh address ${address}:`,
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error,
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)
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throw error
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})
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.finally(() => {
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addressRefreshes.delete(
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scripthash,
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)
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})
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addressRefreshes.set(
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scripthash,
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refresh,
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)
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return refresh
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}
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function queryFulcrum(
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fulcrumUrl,
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method,
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params = [],
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) {
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return new Promise((resolve) => {
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if (!fulcrumUrl) {
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resolve({
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ok: false,
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result: null,
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error: 'Fulcrum URL is not configured',
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})
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return
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}
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let parsed
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try {
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parsed = new URL(fulcrumUrl)
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} catch {
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resolve({
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ok: false,
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result: null,
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error: 'Invalid Fulcrum URL',
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})
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return
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}
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if (parsed.protocol !== 'tcp:') {
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resolve({
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ok: false,
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result: null,
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error: 'Fulcrum URL must use tcp://',
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})
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return
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}
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const host = parsed.hostname
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const fulcrumPort = Number(parsed.port)
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if (!host || !fulcrumPort) {
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resolve({
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ok: false,
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result: null,
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error: 'Fulcrum URL is missing host or port',
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})
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return
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}
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const socket = net.createConnection({
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host,
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port: fulcrumPort,
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})
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let response = ''
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let settled = false
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const finish = (value) => {
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if (settled) return
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settled = true
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socket.destroy()
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resolve(value)
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}
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socket.setTimeout(fulcrumTimeoutMs)
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socket.on('connect', () => {
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console.log(
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`Fulcrum connected for ${method} (${host}:${fulcrumPort})`,
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)
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const request =
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JSON.stringify({
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jsonrpc: '2.0',
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id: 1,
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method,
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params,
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}) + '\n'
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console.log(`Sending Fulcrum request: ${request.trim()}`)
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socket.write(request)
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})
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socket.on('data', (data) => {
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const chunk = data.toString()
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console.log(`Fulcrum response data: ${chunk.trim()}`)
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response += chunk
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const lines = response.split('\n')
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for (const line of lines) {
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if (!line.trim()) continue
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let message
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try {
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message = JSON.parse(line)
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} catch {
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continue
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}
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if (message.error) {
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console.error(
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`Fulcrum returned an error for ${method}:`,
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JSON.stringify(message.error),
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)
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finish({
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ok: false,
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result: null,
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error: message.error,
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})
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return
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}
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if (
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Object.prototype.hasOwnProperty.call(
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message,
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'result',
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)
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) {
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finish({
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ok: true,
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result: message.result,
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error: null,
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})
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return
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}
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}
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})
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socket.on('timeout', () => {
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console.error(
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`Fulcrum request timed out after ${fulcrumTimeoutMs}ms: ${method}`,
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)
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finish({
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ok: false,
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result: null,
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error: 'Connection timed out',
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})
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})
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socket.on('error', (error) => {
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console.error(
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`Fulcrum socket error for ${method}:`,
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error.message,
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)
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finish({
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ok: false,
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result: null,
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error: error.message,
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})
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})
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socket.on('close', (hadError) => {
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console.log(
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`Fulcrum socket closed for ${method}; hadError=${hadError}`,
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)
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if (!settled) {
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finish({
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ok: false,
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result: null,
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error: 'Connection closed before a response was received',
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})
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}
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})
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})
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}
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async function getFulcrumStatus(fulcrumUrl) {
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const version = await queryFulcrum(
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fulcrumUrl,
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'server.version',
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['Munin Bitcoin', '1.4'],
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)
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if (!version.ok) {
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return {
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configured: Boolean(fulcrumUrl),
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connected: false,
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url: fulcrumUrl,
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serverVersion: null,
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blockchainHeight: null,
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error: version.error,
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}
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}
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const headers = await queryFulcrum(
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|
fulcrumUrl,
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|
'blockchain.headers.subscribe',
|
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[],
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|
)
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return {
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configured: Boolean(fulcrumUrl),
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connected: true,
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url: fulcrumUrl,
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serverVersion: version.result,
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blockchainHeight:
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headers.ok && headers.result
|
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? headers.result.height ?? null
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: null,
|
|
error: headers.ok ? null : headers.error,
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}
|
|
}
|
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|
|
async function getStatus() {
|
|
const fulcrumUrl = process.env.MUNIN_FULCRUM_URL || null
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|
const fulcrum = await getFulcrumStatus(fulcrumUrl)
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|
|
return {
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|
service: 'running',
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fulcrum,
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wallet: 'not configured',
|
|
labels: 0,
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transactions: 0,
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lastScan: 'never',
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}
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}
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async function getAddressDataFromFulcrum(
|
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address,
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|
scripthash,
|
|
) {
|
|
const fulcrumUrl =
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process.env.MUNIN_FULCRUM_URL || null
|
|
|
|
if (!fulcrumUrl) {
|
|
throw new Error(
|
|
'Fulcrum URL is not configured',
|
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)
|
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}
|
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|
|
const balance = await queryFulcrum(
|
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fulcrumUrl,
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|
'blockchain.scripthash.get_balance',
|
|
[scripthash],
|
|
)
|
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|
|
if (!balance.ok) {
|
|
throw new Error(
|
|
`Failed to query address balance: ${JSON.stringify(balance.error)}`,
|
|
)
|
|
}
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|
|
const utxos = await queryFulcrum(
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fulcrumUrl,
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'blockchain.scripthash.listunspent',
|
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[scripthash],
|
|
)
|
|
|
|
if (!utxos.ok) {
|
|
throw new Error(
|
|
`Failed to query address UTXOs: ${JSON.stringify(utxos.error)}`,
|
|
)
|
|
}
|
|
|
|
const history = await queryFulcrum(
|
|
fulcrumUrl,
|
|
'blockchain.scripthash.get_history',
|
|
[scripthash],
|
|
)
|
|
|
|
if (!history.ok) {
|
|
throw new Error(
|
|
`Failed to query address history: ${JSON.stringify(history.error)}`,
|
|
)
|
|
}
|
|
|
|
return {
|
|
address,
|
|
scripthash,
|
|
confirmedBalance:
|
|
Number(balance.result?.confirmed || 0),
|
|
unconfirmedBalance:
|
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Number(balance.result?.unconfirmed || 0),
|
|
utxos:
|
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Array.isArray(utxos.result)
|
|
? utxos.result
|
|
: [],
|
|
history:
|
|
Array.isArray(history.result)
|
|
? history.result
|
|
: [],
|
|
lastSynced:
|
|
new Date().toISOString(),
|
|
}
|
|
}
|
|
|
|
async function getAddressData(address) {
|
|
let scripthash
|
|
|
|
try {
|
|
scripthash =
|
|
addressToScripthash(address)
|
|
} catch (error) {
|
|
throw new Error(
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Invalid Bitcoin address',
|
|
)
|
|
}
|
|
|
|
const cached =
|
|
readAddressCache(scripthash)
|
|
|
|
if (cached) {
|
|
if (
|
|
cached.ageMs >
|
|
addressCacheMaxAgeMs
|
|
) {
|
|
refreshAddressCache(
|
|
address,
|
|
scripthash,
|
|
).catch(() => {})
|
|
}
|
|
|
|
return {
|
|
...cached.data,
|
|
cacheAgeMs:
|
|
cached.ageMs,
|
|
}
|
|
}
|
|
|
|
const data =
|
|
await refreshAddressCache(
|
|
address,
|
|
scripthash,
|
|
)
|
|
|
|
return {
|
|
...data,
|
|
cacheAgeMs: 0,
|
|
}
|
|
}
|
|
|
|
function getAddressTransactionPage(
|
|
history,
|
|
offset = 0,
|
|
limit = addressTransactionPageSize,
|
|
) {
|
|
const safeOffset =
|
|
Math.max(
|
|
0,
|
|
Number(offset) || 0,
|
|
)
|
|
|
|
const safeLimit =
|
|
Math.min(
|
|
addressTransactionPageSize,
|
|
Math.max(
|
|
1,
|
|
Number(limit) ||
|
|
addressTransactionPageSize,
|
|
),
|
|
)
|
|
|
|
return history.slice(
|
|
safeOffset,
|
|
safeOffset + safeLimit,
|
|
)
|
|
}
|
|
|
|
async function getAddressesWithData() {
|
|
const addresses = await listAddresses()
|
|
const results = []
|
|
|
|
for (const entry of addresses) {
|
|
try {
|
|
const data =
|
|
await getAddressData(
|
|
entry.address,
|
|
)
|
|
|
|
const history =
|
|
Array.isArray(data.history)
|
|
? data.history
|
|
: []
|
|
|
|
results.push({
|
|
...entry,
|
|
scripthash:
|
|
data.scripthash,
|
|
confirmedBalance:
|
|
data.confirmedBalance,
|
|
unconfirmedBalance:
|
|
data.unconfirmedBalance,
|
|
utxos:
|
|
data.utxos,
|
|
history:
|
|
getAddressTransactionPage(
|
|
history,
|
|
),
|
|
transactionCount:
|
|
history.length,
|
|
transactionOffset: 0,
|
|
transactionLimit:
|
|
addressTransactionPageSize,
|
|
lastSynced:
|
|
data.lastSynced || null,
|
|
cacheAgeMs:
|
|
Number(
|
|
data.cacheAgeMs || 0,
|
|
),
|
|
error: null,
|
|
})
|
|
} catch (error) {
|
|
results.push({
|
|
...entry,
|
|
confirmedBalance:
|
|
null,
|
|
unconfirmedBalance:
|
|
null,
|
|
utxos: [],
|
|
history: [],
|
|
transactionCount: 0,
|
|
transactionOffset: 0,
|
|
transactionLimit:
|
|
addressTransactionPageSize,
|
|
lastSynced: null,
|
|
cacheAgeMs: null,
|
|
error:
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Failed to query address',
|
|
})
|
|
}
|
|
}
|
|
|
|
return results
|
|
}
|
|
|
|
const server = http.createServer(
|
|
async (req, res) => {
|
|
if (
|
|
req.method === 'POST' &&
|
|
req.url === '/api/login'
|
|
) {
|
|
let body = ''
|
|
|
|
req.on('data', (chunk) => {
|
|
body += chunk
|
|
})
|
|
|
|
req.on('end', () => {
|
|
try {
|
|
const input =
|
|
JSON.parse(body)
|
|
|
|
if (
|
|
!checkPassword(
|
|
input.password,
|
|
)
|
|
) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Invalid password',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
const token =
|
|
createSession()
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
'Set-Cookie':
|
|
'munin_session=' +
|
|
encodeURIComponent(token) +
|
|
'; HttpOnly; Secure; SameSite=Strict; Path=/; Max-Age=86400',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
ok: true,
|
|
}),
|
|
)
|
|
} catch {
|
|
res.writeHead(400, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Invalid request',
|
|
}),
|
|
)
|
|
}
|
|
})
|
|
|
|
return
|
|
}
|
|
|
|
if (req.url === '/api/status') {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
try {
|
|
const status =
|
|
await getStatus()
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify(status),
|
|
)
|
|
} catch (error) {
|
|
console.error(
|
|
'Failed to get service status:',
|
|
error,
|
|
)
|
|
|
|
res.writeHead(500, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
service: 'running',
|
|
error:
|
|
'Failed to determine service status',
|
|
}),
|
|
)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'GET' &&
|
|
req.url === '/api/addresses'
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
try {
|
|
const addresses =
|
|
await listAddresses()
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
addresses,
|
|
}),
|
|
)
|
|
} catch (error) {
|
|
console.error(
|
|
'Failed to list addresses:',
|
|
error,
|
|
)
|
|
|
|
res.writeHead(500, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Failed to list addresses',
|
|
}),
|
|
)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'GET' &&
|
|
req.url === '/api/addresses/data'
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
try {
|
|
const addresses =
|
|
await getAddressesWithData()
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
addresses,
|
|
}),
|
|
)
|
|
} catch (error) {
|
|
console.error(
|
|
'Failed to get address data:',
|
|
error,
|
|
)
|
|
|
|
res.writeHead(500, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Failed to get address data',
|
|
}),
|
|
)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'GET' &&
|
|
req.url.startsWith(
|
|
'/api/addresses/transactions',
|
|
)
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
try {
|
|
const url =
|
|
new URL(
|
|
req.url,
|
|
`http://${req.headers.host || 'localhost'}`,
|
|
)
|
|
|
|
const address =
|
|
url.searchParams.get(
|
|
'address',
|
|
)
|
|
|
|
if (!address) {
|
|
throw new Error(
|
|
'Address is required',
|
|
)
|
|
}
|
|
|
|
const offset =
|
|
Math.max(
|
|
0,
|
|
Number(
|
|
url.searchParams.get(
|
|
'offset',
|
|
),
|
|
) || 0,
|
|
)
|
|
|
|
const limit =
|
|
Math.min(
|
|
addressTransactionPageSize,
|
|
Math.max(
|
|
1,
|
|
Number(
|
|
url.searchParams.get(
|
|
'limit',
|
|
),
|
|
) ||
|
|
addressTransactionPageSize,
|
|
),
|
|
)
|
|
|
|
const data =
|
|
await getAddressData(
|
|
address,
|
|
)
|
|
|
|
const history =
|
|
Array.isArray(
|
|
data.history,
|
|
)
|
|
? data.history
|
|
: []
|
|
|
|
const transactions =
|
|
getAddressTransactionPage(
|
|
history,
|
|
offset,
|
|
limit,
|
|
)
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
address,
|
|
scripthash:
|
|
data.scripthash,
|
|
transactions,
|
|
total:
|
|
history.length,
|
|
offset,
|
|
limit,
|
|
hasMore:
|
|
offset +
|
|
transactions.length <
|
|
history.length,
|
|
lastSynced:
|
|
data.lastSynced ||
|
|
null,
|
|
cacheAgeMs:
|
|
Number(
|
|
data.cacheAgeMs || 0,
|
|
),
|
|
}),
|
|
)
|
|
} catch (error) {
|
|
console.error(
|
|
'Failed to get address transactions:',
|
|
error,
|
|
)
|
|
|
|
res.writeHead(400, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Failed to get address transactions',
|
|
}),
|
|
)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'POST' &&
|
|
req.url === '/api/addresses'
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
let body = ''
|
|
|
|
req.on('data', (chunk) => {
|
|
body += chunk
|
|
})
|
|
|
|
req.on(
|
|
'end',
|
|
async () => {
|
|
try {
|
|
const input =
|
|
JSON.parse(body)
|
|
|
|
const entry =
|
|
await addAddress(
|
|
input.address,
|
|
input.label,
|
|
)
|
|
|
|
res.writeHead(201, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify(entry),
|
|
)
|
|
} catch (error) {
|
|
res.writeHead(400, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Failed to add address',
|
|
}),
|
|
)
|
|
}
|
|
},
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'DELETE' &&
|
|
req.url === '/api/addresses'
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
let body = ''
|
|
|
|
req.on('data', (chunk) => {
|
|
body += chunk
|
|
})
|
|
|
|
req.on(
|
|
'end',
|
|
async () => {
|
|
try {
|
|
const input =
|
|
JSON.parse(body)
|
|
|
|
await removeAddress(
|
|
input.address,
|
|
)
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
ok: true,
|
|
}),
|
|
)
|
|
} catch (error) {
|
|
res.writeHead(400, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Failed to remove address',
|
|
}),
|
|
)
|
|
}
|
|
},
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
if (
|
|
req.method === 'GET' &&
|
|
req.url.startsWith(
|
|
'/api/transactions/',
|
|
)
|
|
) {
|
|
if (!isValidSession(req)) {
|
|
res.writeHead(401, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
'Authentication required',
|
|
}),
|
|
)
|
|
|
|
return
|
|
}
|
|
|
|
const txid =
|
|
decodeURIComponent(
|
|
req.url.slice(
|
|
'/api/transactions/'.length,
|
|
),
|
|
)
|
|
|
|
try {
|
|
const transaction =
|
|
await getTransaction(txid)
|
|
|
|
res.writeHead(200, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify(
|
|
transaction,
|
|
),
|
|
)
|
|
} catch (error) {
|
|
res.writeHead(400, {
|
|
'Content-Type':
|
|
'application/json',
|
|
})
|
|
|
|
res.end(
|
|
JSON.stringify({
|
|
error:
|
|
error instanceof Error
|
|
? error.message
|
|
: 'Failed to get transaction',
|
|
}),
|
|
)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
res.writeHead(404)
|
|
res.end('Not found')
|
|
},
|
|
)
|
|
|
|
server.listen(port, () => {
|
|
console.log(
|
|
`Status API listening on port ${port}`,
|
|
)
|
|
}) |