mirror of
https://github.com/fullstack-cash/bch-api.git
synced 2026-09-21 16:52:04 -07:00
feat(transactions): Removed transaction library. It used Insight API.
This commit is contained in:
Chris Troutner
@@ -1,188 +0,0 @@
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"use strict"
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const express = require("express")
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const router = express.Router()
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const axios = require("axios")
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const routeUtils = require("./route-utils")
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const logger = require("./logging.js")
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const wlogger = require("../../util/winston-logging")
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const BITBOXJS = require("@chris.troutner/bitbox-js")
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const BITBOX = new BITBOXJS()
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// Used to convert error messages to strings, to safely pass to users.
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const util = require("util")
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util.inspect.defaultOptions = { depth: 3 }
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// Manipulates and formats the raw data comming from Insight API.
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const processInputs = tx => {
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// Add legacy and cashaddr to tx vin
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if (tx.vin) {
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tx.vin.forEach(vin => {
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if (!vin.coinbase) {
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vin.value = vin.valueSat
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const address = vin.addr
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if (address) {
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vin.legacyAddress = BITBOX.Address.toLegacyAddress(address)
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vin.cashAddress = BITBOX.Address.toCashAddress(address)
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delete vin.addr
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}
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delete vin.valueSat
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delete vin.doubleSpentTxID
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}
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})
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}
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// Add legacy and cashaddr to tx vout
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if (tx.vout) {
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tx.vout.forEach(vout => {
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// Overwrite value string with value in satoshis
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//vout.value = parseFloat(vout.value) * 100000000
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if (vout.scriptPubKey) {
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if (vout.scriptPubKey.addresses) {
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const cashAddrs = []
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vout.scriptPubKey.addresses.forEach(addr => {
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const cashAddr = BITBOX.Address.toCashAddress(addr)
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cashAddrs.push(cashAddr)
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})
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vout.scriptPubKey.cashAddrs = cashAddrs
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}
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}
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})
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}
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}
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router.get("/", root)
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router.post("/details", detailsBulk)
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router.get("/details/:txid", detailsSingle)
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function root(req, res, next) {
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return res.json({ status: "transaction" })
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}
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// Retrieve transaction data from the Insight API
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// This function is also used by the SLP route library.
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async function transactionsFromInsight(txid) {
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try {
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const path = `${process.env.BITCOINCOM_BASEURL}tx/${txid}`
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// Query the Insight server.
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const response = await axios.get(path)
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//console.log(`Insight output: ${JSON.stringify(response.data, null, 2)}`)
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// Parse the data.
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const parsed = response.data
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if (parsed) processInputs(parsed)
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return parsed
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} catch (err) {
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// Dev Note: Do not log error messages here. Throw them instead and let the
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// parent function handle it.
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throw err
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}
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}
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async function detailsBulk(req, res, next) {
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try {
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const txids = req.body.txids
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// Reject if address is not an array.
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if (!Array.isArray(txids)) {
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res.status(400)
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return res.json({ error: "txids needs to be an array" })
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}
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// Enforce array size rate limits
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if (!routeUtils.validateArraySize(req, txids)) {
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res.status(429) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
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return res.json({
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error: `Array too large.`
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})
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}
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logger.debug(`Executing transaction/details with these txids: `, txids)
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// Collect an array of promises
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const promises = txids.map(
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async txid => await transactionsFromInsight(txid)
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)
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// Wait for all parallel promises to return.
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const result = await Promise.all(promises)
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// Return the array of retrieved transaction information.
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res.status(200)
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return res.json(result)
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} catch (err) {
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// Attempt to decode the error message.
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const { msg, status } = routeUtils.decodeError(err)
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if (msg) {
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res.status(status)
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return res.json({ error: msg })
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}
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wlogger.error(`Error in transactions.ts/detailsBulk().`, err)
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//console.log(`Error in transaction details: `, err)
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res.status(500)
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return res.json({ error: util.inspect(err) })
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}
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}
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// GET handler. Retrieve any unconfirmed TX information for a given address.
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async function detailsSingle(req, res, next) {
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try {
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const txid = req.params.txid
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if (!txid || txid === "") {
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res.status(400)
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return res.json({ error: "txid can not be empty" })
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}
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// Reject if address is an array.
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if (Array.isArray(txid)) {
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res.status(400)
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return res.json({
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error: "txid can not be an array. Use POST for bulk upload."
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})
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}
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logger.debug(
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`Executing transaction.ts/detailsSingle with this txid: `,
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txid
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)
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// Query the Insight API.
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const retData = await transactionsFromInsight(txid)
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//console.log(`retData: ${JSON.stringify(retData,null,2)}`)
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// Return the array of retrieved address information.
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res.status(200)
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return res.json(retData)
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} catch (err) {
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// Attempt to decode the error message.
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const { msg, status } = routeUtils.decodeError(err)
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if (msg) {
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res.status(status)
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return res.json({ error: msg })
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}
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in transactions.ts/detailsSingle().`, err)
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res.status(500)
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return res.json({ error: util.inspect(err) })
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}
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}
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module.exports = {
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router,
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transactionsFromInsight,
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testableComponents: {
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root,
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detailsBulk,
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detailsSingle
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}
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}
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