feat(v5): Adding v5 route

This commit is contained in:
Chris Troutner
2021-05-18 22:05:28 -07:00
parent 7eca556322
commit 6da385c90e
53 changed files with 21086 additions and 0 deletions
+49
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@@ -39,6 +39,21 @@ const EncryptionV4 = require('./routes/v4/encryption')
const PriceV4 = require('./routes/v4/price')
const Ninsight = require('./routes/v4/ninsight')
// v5
const healthCheckV5 = require('./routes/v5/health-check')
const BlockchainV5 = require('./routes/v5/full-node/blockchain')
const ControlV5 = require('./routes/v5/full-node/control')
const MiningV5 = require('./routes/v5/full-node/mining')
const networkV5 = require('./routes/v5/full-node/network')
const RawtransactionsV5 = require('./routes/v5/full-node/rawtransactions')
const UtilV5 = require('./routes/v5/util')
const SlpV5 = require('./routes/v5/slp')
const xpubV5 = require('./routes/v5/xpub')
const ElectrumXV5 = require('./routes/v5/electrumx')
const EncryptionV5 = require('./routes/v5/encryption')
const PriceV5 = require('./routes/v5/price')
// const Ninsight = require('./routes/v5/ninsight')
require('dotenv').config()
// Instantiate v4 route libraries.
@@ -53,6 +68,18 @@ const encryptionv4 = new EncryptionV4()
const pricev4 = new PriceV4()
const utilV4 = new UtilV4({ electrumx: electrumxv4 })
// Instantiate v5 route libraries.
const blockchainV5 = new BlockchainV5()
const controlV5 = new ControlV5()
const miningV5 = new MiningV5()
const rawtransactionsV5 = new RawtransactionsV5()
const slpV5 = new SlpV5()
const electrumxv5 = new ElectrumXV5()
electrumxv5.connect()
const encryptionv5 = new EncryptionV5()
const pricev5 = new PriceV5()
const utilV5 = new UtilV5({ electrumx: electrumxv5 })
const app = express()
app.locals.env = process.env
@@ -94,12 +121,14 @@ app.use(express.static(path.join(__dirname, 'public')))
app.use('/', logReqInfo)
const v4prefix = 'v4'
const v5prefix = 'v5'
// START Rate Limits
const auth = new AuthMW()
// Ensure req.locals and res.locals objects exist.
app.use(`/${v4prefix}/`, rateLimits.populateLocals)
app.use(`/${v5prefix}/`, rateLimits.populateLocals)
// Allow users to turn off rate limits with an environment variable.
const DO_NOT_USE_RATE_LIMITS = process.env.DO_NOT_USE_RATE_LIMITS || false
@@ -110,13 +139,16 @@ if (!DO_NOT_USE_RATE_LIMITS) {
console.log('Rate limits are being used')
// Inspect the header for a JWT token.
app.use(`/${v4prefix}/`, jwtAuth.getTokenFromHeaders)
app.use(`/${v5prefix}/`, jwtAuth.getTokenFromHeaders)
// Instantiate the authorization middleware, used to implement pro-tier rate limiting.
// Handles Anonymous and Basic Authorization schemes used by passport.js
app.use(`/${v4prefix}/`, auth.mw())
app.use(`/${v5prefix}/`, auth.mw())
// Experimental rate limits
app.use(`/${v4prefix}/`, rateLimits.applyRateLimits)
app.use(`/${v5prefix}/`, rateLimits.applyRateLimits)
// Rate limit on all v4 routes
// Establish and enforce rate limits.
@@ -143,6 +175,23 @@ app.use(`/${v4prefix}/` + 'util', utilV4.router)
const ninsight = new Ninsight()
app.use(`/${v4prefix}/` + 'ninsight', ninsight.router)
// Connect v5 routes
app.use(`/${v5prefix}/` + 'health-check', healthCheckV5)
app.use(`/${v5prefix}/` + 'blockchain', blockchainV5.router)
app.use(`/${v5prefix}/` + 'control', controlV5.router)
app.use(`/${v5prefix}/` + 'mining', miningV5.router)
app.use(`/${v5prefix}/` + 'network', networkV5)
app.use(`/${v5prefix}/` + 'rawtransactions', rawtransactionsV5.router)
app.use(`/${v5prefix}/` + 'slp', slpV5.router)
app.use(`/${v5prefix}/` + 'xpub', xpubV5.router)
app.use(`/${v5prefix}/` + 'electrumx', electrumxv5.router)
app.use(`/${v5prefix}/` + 'encryption', encryptionv5.router)
app.use(`/${v5prefix}/` + 'price', pricev5.router)
app.use(`/${v5prefix}/` + 'util', utilV5.router)
// const ninsight = new Ninsight()
app.use(`/${v5prefix}/` + 'ninsight', ninsight.router)
// catch 404 and forward to error handler
app.use((req, res, next) => {
const err = {
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@@ -0,0 +1,192 @@
/*
Encryption API route
*/
'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
const util = require('util')
const wlogger = require('../../util/winston-logging')
const config = require('../../../config')
const RouteUtils = require('../../util/route-utils')
const routeUtils = new RouteUtils()
const BCHJS = require('@psf/bch-js')
const restURL = process.env.LOCAL_RESTURL
? process.env.LOCAL_RESTURL
: 'https://api.fullstack.cash/v4/'
const bchjs = new BCHJS({ restURL })
let _this
class Encryption {
constructor () {
_this = this
_this.config = config
_this.axios = axios
_this.routeUtils = routeUtils
_this.bchjs = bchjs
// _this.blockbook = blockbook
// _this.rawTransactions = rawTransactions
_this.router = router
_this.router.get('/', _this.root)
_this.router.get('/publickey/:address', _this.getPublicKey)
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ success: false, error: msg })
}
// Handle error patterns specific to this route.
if (err.message) {
res.status(400)
return res.json({ success: false, error: err.message })
}
wlogger.error('Unhandled error in Encryption library: ', err)
// If error can be handled, return the stack trace
res.status(500)
return res.json({ error: util.inspect(err) })
}
// Root API endpoint. Simply acknowledges that it exists.
root (req, res, next) {
return res.json({ status: 'encryption' })
}
/**
* @api {get} /encryption/publickey/{addr} Get public key for a BCH address.
* @apiName Get encryption key for bch address
* @apiGroup Encryption
* @apiDescription Searches the blockchain for a public key associated with a
* BCH address. Returns an object. If successful, the publicKey property will
* contain a hexidecimal representation of the public key.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/encryption/publickey/bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf" -H "accept: application/json"
*
*/
async getPublicKey (req, res, next) {
try {
const address = req.params.address
// Reject if address is an array.
if (Array.isArray(address)) {
res.status(400)
return res.json({
success: false,
error: 'address can not be an array.'
})
}
// Generate a user object that can be passed along with internal calls
// from bch-js.
const usrObj = {
ip: req._remoteAddress,
jwtToken: req.locals.jwtToken,
proLimit: req.locals.proLimit,
apiLevel: req.locals.apiLevel
}
const cashAddr = _this.bchjs.Address.toCashAddress(address)
// Prevent a common user error. Ensure they are using the correct network address.
const networkIsValid = _this.routeUtils.validateNetwork(cashAddr)
if (!networkIsValid) {
res.status(400)
return res.json({
success: false,
error:
'Invalid network. Trying to use a testnet address on mainnet, or vice versa.'
})
}
// console.log(
wlogger.debug(
'Executing encryption/getPublicKey with this address: ',
cashAddr
)
const rawTxData = await _this.bchjs.Electrumx.transactions([cashAddr], usrObj)
// console.log(`rawTxData: ${JSON.stringify(rawTxData, null, 2)}`)
// Extract just the TXIDs
const txids = rawTxData.transactions[0].transactions.map((elem) => elem.tx_hash)
// console.log(`txids: ${JSON.stringify(txids, null, 2)}`)
// throw error if there is no transaction history.
if (!txids || txids.length === 0) {
throw new Error('No transaction history.')
}
// Loop through the transaction history and search for the public key.
for (let i = 0; i < txids.length; i++) {
const thisTx = txids[i]
const txDetails = await _this.bchjs.RawTransactions.getRawTransaction(
[thisTx],
true,
usrObj
)
// console.log(`txDetails: ${JSON.stringify(txDetails, null, 2)}`)
const vin = txDetails[0].vin
// Loop through each input.
for (let j = 0; j < vin.length; j++) {
const thisVin = vin[j]
// console.log(`thisVin: ${JSON.stringify(thisVin, null, 2)}`)
// Extract the script signature.
const scriptSig = thisVin.scriptSig.asm.split(' ')
// console.log(`scriptSig: ${JSON.stringify(scriptSig, null, 2)}`)
// Extract the public key from the script signature.
const pubKey = scriptSig[scriptSig.length - 1]
// console.log(`pubKey: ${pubKey}`)
// Generate cash address from public key.
const keyBuf = Buffer.from(pubKey, 'hex')
const ec = _this.bchjs.ECPair.fromPublicKey(keyBuf)
const cashAddr2 = _this.bchjs.ECPair.toCashAddress(ec)
// console.log(`cashAddr2: ${cashAddr2}`)
// If public keys match, this is the correct public key.
if (cashAddr === cashAddr2) {
res.status(200)
return res.json({
success: true,
publicKey: pubKey
})
}
}
}
res.status(200)
return res.json({
success: false,
publicKey: 'not found'
})
} catch (err) {
// console.log('Error in encryption.js/getPublicKey().', err)
wlogger.error('Error in encryption.js/getPublicKey().', err)
return _this.errorHandler(err, res)
}
}
}
module.exports = Encryption
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@@ -0,0 +1,989 @@
/*
A library for interacting with the Full Node
*/
'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
const wlogger = require('../../../util/winston-logging')
const RouteUtils = require('../../../util/route-utils')
const routeUtils = new RouteUtils()
// Used to convert error messages to strings, to safely pass to users.
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
const BCHJS = require('@psf/bch-js')
const bchjs = new BCHJS()
let _this
class Blockchain {
constructor () {
_this = this
this.bchjs = bchjs
this.axios = axios
this.routeUtils = routeUtils
this.router = router
this.router.get('/', this.root)
this.router.get('/getBestBlockHash', this.getBestBlockHash)
this.router.get('/getBlockchainInfo', this.getBlockchainInfo)
this.router.get('/getBlockCount', this.getBlockCount)
this.router.get('/getBlockHeader/:hash', this.getBlockHeaderSingle)
this.router.post('/getBlockHeader', this.getBlockHeaderBulk)
this.router.get('/getChainTips', this.getChainTips)
this.router.get('/getDifficulty', this.getDifficulty)
this.router.get('/getMempoolEntry/:txid', this.getMempoolEntrySingle)
this.router.post('/getMempoolEntry', this.getMempoolEntryBulk)
this.router.get(
'/getMempoolAncestors/:txid',
this.getMempoolAncestorsSingle
)
this.router.get('/getMempoolInfo', this.getMempoolInfo)
this.router.get('/getRawMempool', this.getRawMempool)
this.router.get('/getTxOut/:txid/:n', this.getTxOut)
this.router.post('/getTxOut', this.getTxOutPost)
this.router.get('/getTxOutProof/:txid', this.getTxOutProofSingle)
this.router.post('/getTxOutProof', this.getTxOutProofBulk)
this.router.get('/verifyTxOutProof/:proof', this.verifyTxOutProofSingle)
this.router.post('/verifyTxOutProof', this.verifyTxOutProofBulk)
this.router.post('/getBlock', this.getBlock)
}
root (req, res, next) {
return res.json({ status: 'blockchain' })
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
res.status(500)
return res.json({ error: util.inspect(err) })
}
/**
* @api {get} /blockchain/getBestBlockHash Get best block hash
* @apiName GetBestBlockHash
* @apiGroup Blockchain
* @apiDescription Returns the hash of the best (tip) block in the longest
* block chain.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getBestBlockHash" -H "accept: application/json"
*
* @apiSuccess {String} bestBlockHash 000000000000000002bc884334336d99c9a9c616670a9244c6a8c1fc35aa91a1
*/
async getBestBlockHash (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getbestblockhash'
options.data.method = 'getbestblockhash'
options.data.params = []
const response = await _this.axios.request(options)
// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
wlogger.error('Error in blockchain.ts/getBestBlockHash().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getBlockchainInfo Get blockchain info
* @apiName GetBlockchainInfo
* @apiGroup Blockchain
* @apiDescription Returns an object containing various state info regarding blockchain processing.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getBlockchainInfo" -H "accept: application/json"
*
* @apiSuccess {Object} object Object containing data
* @apiSuccess {String} object.chain "main"
* @apiSuccess {Number} object.blocks 561838
* @apiSuccess {Number} object.headers 561838
* @apiSuccess {String} object.bestblockhash "000000000000000002307dd38cd01c7308b8febfcdf5772cf087b5bb023d55bc"
* @apiSuccess {Number} object.difficulty 246585566638.1496
* @apiSuccess {String} object.mediantime 1545402693
* @apiSuccess {Number} object.verificationprogress 0.999998831622689
* @apiSuccess {Boolean} object.chainwork "000000000000000000000000000000000000000000d8c09a8ab7262080266b3e"
* @apiSuccess {Number} object.pruned false
* @apiSuccess {Array} object.softforks Array of objects
* @apiSuccess {String} object.softforks.id "bip34"
* @apiSuccess {String} object.softforks.version 2
* @apiSuccess {Object} object.softforks.reject
* @apiSuccess {String} object.softforks.reject.status true
*/
async getBlockchainInfo (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getblockchaininfo'
options.data.method = 'getblockchaininfo'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
wlogger.error('Error in blockchain.ts/getBlockchainInfo().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getBlockCount Get Block Count
* @apiName GetBlockCount
* @apiGroup Blockchain
* @apiDescription Returns the number of blocks in the longest blockchain.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getBlockCount" -H "accept: application/json"
*
* @apiSuccess {Number} bestBlockCount 587665
*/
async getBlockCount (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getblockcount'
options.data.method = 'getblockcount'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getBlockCount().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getBlockHeader/:hash Get single block header
* @apiName GetSingleBlockHeader
* @apiGroup Blockchain
* @apiDescription If verbose is false (default), returns a string that is
* serialized, hex-encoded data for blockheader 'hash'. If verbose is true,
* returns an Object with information about blockheader hash.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getBlockHeader/000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201?verbose=true" -H "accept: application/json"
*
* @apiParam {String} hash block hash
* @apiParam {Boolean} verbose Return verbose data
*
* @apiSuccess {Object} object Object containing data
* @apiSuccess {String} object.hash "000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201"
* @apiSuccess {Number} object.confirmations 61839
* @apiSuccess {Number} object.height 500000
* @apiSuccess {Number} object.version 536870912
* @apiSuccess {String} object.versionHex "20000000"
* @apiSuccess {String} object.merkleroot "4af279645e1b337e655ae3286fc2ca09f58eb01efa6ab27adedd1e9e6ec19091"
* @apiSuccess {Number} object.time 1509343584
* @apiSuccess {Number} object.mediantime 1509336533
* @apiSuccess {Number} object.nonce 3604508752
* @apiSuccess {String} object.bits "1809b91a"
* @apiSuccess {Number} object.difficulty 113081236211.4533
* @apiSuccess {String} object.chainwork "0000000000000000000000000000000000000000007ae48aca46e3b449ad9714"
* @apiSuccess {String} object.previousblockhash "0000000000000000043831d6ebb013716f0580287ee5e5687e27d0ed72e6e523"
* @apiSuccess {String} object.nextblockhash "00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3"
*/
async getBlockHeaderSingle (req, res, next) {
try {
let verbose = false
if (req.query.verbose && req.query.verbose.toString() === 'true') {
verbose = true
}
const hash = req.params.hash
if (!hash || hash === '') {
res.status(400)
return res.json({ error: 'hash can not be empty' })
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getblockheader'
options.data.method = 'getblockheader'
options.data.params = [hash, verbose]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getBlockHeaderSingle().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {post} /blockchain/getBlockHeader Get multiple block headers
* @apiName GetBulkBlockHeader
* @apiGroup Blockchain
* @apiDescription If verbose is false (default), returns a string that is
* serialized, hex-encoded data for blockheader 'hash'. If verbose is true,
* returns an Object with information about blockheader hash.
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/blockchain/getBlockHeader" -H "accept: application/json" -H "Content-Type: application/json" -d "{\"hashes\":[\"000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201\",\"00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3\"],\"verbose\":true}"
*
* @apiParam {String} hash block hash
* @apiParam {Boolean} verbose Return verbose data
*
* @apiSuccess {Array} array array containing objects
* @apiSuccess {String} object.hash "000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201"
* @apiSuccess {Number} object.confirmations 61839
* @apiSuccess {Number} object.height 500000
* @apiSuccess {Number} object.version 536870912
* @apiSuccess {String} object.versionHex "20000000"
* @apiSuccess {String} object.merkleroot "4af279645e1b337e655ae3286fc2ca09f58eb01efa6ab27adedd1e9e6ec19091"
* @apiSuccess {Number} object.time 1509343584
* @apiSuccess {Number} object.mediantime 1509336533
* @apiSuccess {Number} object.nonce 3604508752
* @apiSuccess {String} object.bits "1809b91a"
* @apiSuccess {Number} object.difficulty 113081236211.4533
* @apiSuccess {String} object.chainwork "0000000000000000000000000000000000000000007ae48aca46e3b449ad9714"
* @apiSuccess {String} object.previousblockhash "0000000000000000043831d6ebb013716f0580287ee5e5687e27d0ed72e6e523"
* @apiSuccess {String} object.nextblockhash "00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3"
*/
async getBlockHeaderBulk (req, res, next) {
try {
const hashes = req.body.hashes
const verbose = req.body.verbose ? req.body.verbose : false
if (!Array.isArray(hashes)) {
res.status(400)
return res.json({
error: 'hashes needs to be an array. Use GET for single hash.'
})
}
// Enforce array size rate limits
if (!routeUtils.validateArraySize(req, hashes)) {
res.status(400) // https://github.com/Bitcoin-com/api.fullstack.cash/issues/330
return res.json({
error: 'Array too large.'
})
}
wlogger.debug(
'Executing blockchain/getBlockHeaderBulk with these hashes: ',
hashes
)
// Validate each hash in the array.
for (let i = 0; i < hashes.length; i++) {
const hash = hashes[i]
if (hash.length !== 64) {
res.status(400)
return res.json({ error: `This is not a hash: ${hash}` })
}
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
// Loop through each hash and creates an array of requests to call in parallel
const promises = hashes.map(async (hash) => {
options.data.id = 'getblockheader'
options.data.method = 'getblockheader'
options.data.params = [hash, verbose]
return _this.axios.request(options)
})
const axiosResult = await _this.axios.all(promises)
// Extract the data component from the axios response.
const result = axiosResult.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getBlockHeaderBulk().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getChainTips Get Chain Tips
* @apiName getChainTips
* @apiGroup Blockchain
* @apiDescription Return information about all known tips in the block tree,
* including the main chain as well as orphaned branches.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getChainTips" -H "accept: application/json"
*
*/
async getChainTips (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getchaintips'
options.data.method = 'getchaintips'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getChainTips().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getDifficulty Get difficulty
* @apiName getDifficulty
* @apiGroup Blockchain
* @apiDescription Get the current difficulty value, used to regulate mining
* power on the network.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getDifficulty" -H "accept: application/json"
*
*/
async getDifficulty (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getdifficulty'
options.data.method = 'getdifficulty'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getDifficulty().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getMempoolEntry/:txid Get single mempool entry
* @apiName getMempoolEntry
* @apiGroup Blockchain
* @apiDescription Returns mempool data for given transaction. TXID must be in
* mempool (unconfirmed)
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getMempoolEntry/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33" -H "accept: application/json"
*
*/
async getMempoolEntrySingle (req, res, next) {
try {
// Validate input parameter
const txid = req.params.txid
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getmempoolentry'
options.data.method = 'getmempoolentry'
options.data.params = [txid]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getMempoolEntrySingle().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {post} /blockchain/getMempoolEntry Get bulk mempool entry
* @apiName getMempoolEntryBulk
* @apiGroup Blockchain
* @apiDescription Returns mempool data for multiple transactions
*
* @apiExample Example usage:
* curl -X POST https://api.fullstack.cash/v4/blockchain/getMempoolEntry -H "Content-Type: application/json" -d "{\"txids\":[\"a5f972572ee1753e2fd2457dd61ce5f40fa2f8a30173d417e49feef7542c96a1\",\"5165dc531aad05d1149bb0f0d9b7bda99c73e2f05e314bcfb5b4bb9ca5e1af5e\"]}"
*/
async getMempoolEntryBulk (req, res, next) {
try {
const txids = req.body.txids
if (!Array.isArray(txids)) {
res.status(400)
return res.json({
error: 'txids needs to be an array. Use GET for single txid.'
})
}
// Enforce array size rate limits
if (!routeUtils.validateArraySize(req, txids)) {
res.status(400) // https://github.com/Bitcoin-com/api.fullstack.cash/issues/330
return res.json({
error: 'Array too large.'
})
}
wlogger.debug(
'Executing blockchain/getMempoolEntry with these txids: ',
txids
)
// Validate each element in the array
for (let i = 0; i < txids.length; i++) {
const txid = txids[i]
if (txid.length !== 64) {
res.status(400)
return res.json({ error: 'This is not a txid' })
}
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
// Loop through each txid and creates an array of requests to call in parallel
const promises = txids.map(async (txid) => {
options.data.id = 'getmempoolentry'
options.data.method = 'getmempoolentry'
options.data.params = [txid]
return _this.axios.request(options)
})
const axiosResult = await _this.axios.all(promises)
// Extract the data component from the axios response.
const result = axiosResult.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getMempoolEntryBulk().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getMempoolAncestors/:txid Get Mempool Ancestors
* @apiName getMempoolAncestors
* @apiGroup Blockchain
* @apiDescription Returns mempool ancestors data for given TXID. It must be in
* mempool (unconfirmed). This call is handy to tell if a UTXO is bumping up
* against the 25 ancestor chain-limit.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getMempoolAncestors/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33" -H "accept: application/json"
*
*/
async getMempoolAncestorsSingle (req, res, next) {
try {
// Validate input parameter
const txid = req.params.txid
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
let verbose = req.params.verbose
if (verbose === undefined) verbose = false
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getmempoolancestors'
options.data.method = 'getmempoolancestors'
options.data.params = [txid, verbose]
const response = await _this.axios.request(options)
// console.log(`response: ${util.inspect(response)}`)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getMempoolAncestorsSingle().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getMempoolInfo Get mempool info
* @apiName getMempoolInfo
* @apiGroup Blockchain
* @apiDescription Returns details on the active state of the TX memory pool.
*
* @apiExample Example usage:
* curl -X GET https://api.fullstack.cash/v4/getMempoolInfo -H "accept: application/json"
*
*/
async getMempoolInfo (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getmempoolinfo'
options.data.method = 'getmempoolinfo'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getMempoolInfo().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getRawMempool Get mempool info
* @apiName getMempoolInfo
* @apiGroup Blockchain
* @apiDescription Returns details on the active state of the TX memory pool.
*
* @apiExample Example usage:
* curl -X GET https://api.fullstack.cash/v4/getMempoolInfo -H "accept: application/json"
*
*/
/**
* @api {get} /blockchain/getRawMempool/?verbose= Get raw mempool
* @apiName getRawMempool
* @apiGroup Blockchain
* @apiDescription Returns all transaction ids in memory pool as a json array
* of string transaction ids.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/getRawMempool/?verbose=true" -H "accept: application/json"
*
* @apiParam {Boolean} verbose Return verbose data
*
*/
async getRawMempool (req, res, next) {
try {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
let verbose = false
if (req.query.verbose && req.query.verbose === 'true') verbose = true
options.data.id = 'getrawmempool'
options.data.method = 'getrawmempool'
options.data.params = [verbose]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getRawMempool().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getTxOut/:txid/:n?mempool= Get Tx Out
* @apiName getTxOut
* @apiGroup Blockchain
* @apiDescription Returns details about an unspent transaction output.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getTxOut/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33/0?mempool=false" -H "accept: application/json"
*
* @apiParam {String} txid Transaction id (required)
* @apiParam {Number} n Output number (required)
* @apiParam {Boolean} mempool Check mempool or not (optional)
*
*/
// Returns details about an unspent transaction output.
async getTxOut (req, res, next) {
try {
// Validate input parameter
const txid = req.params.txid
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
let n = req.params.n
if (n === undefined || n === '') {
res.status(400)
return res.json({ error: 'n can not be empty' })
}
n = parseInt(n)
let includeMempool = false
if (req.query.includeMempool && req.query.includeMempool === 'true') {
includeMempool = true
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'gettxout'
options.data.method = 'gettxout'
options.data.params = [txid, n, includeMempool]
// console.log(`requestConfig: ${JSON.stringify(requestConfig, null, 2)}`)
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getTxOut().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {post} /blockchain/getTxOut Validate a UTXO
* @apiName getTxOut
* @apiGroup Blockchain
* @apiDescription Returns details about an unspent transaction output (UTXO).
*
* @apiExample Example usage:
* curl "https://api.fullstack.cash/v4/blockchain/getTxOut/" -X POST -H "Content-Type: application/json" --data-binary '{"txid":"d5228d2cdc77fbe5a9aa79f19b0933b6802f9f0067f42847fc4fe343664723e5","vout":0,"mempool":true}'
*
* @apiParam {String} txid Transaction id (required)
* @apiParam {Number} vout of transaction (required)
* @apiParam {Boolean} mempool Check mempool or not (optional)
*
*/
// Returns details about an unspent transaction output.
async getTxOutPost (req, res, next) {
try {
const txid = req.body.txid
let n = req.body.vout
const mempool = req.body.mempool ? req.body.mempool : true
// Validate input parameter
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
if (n === undefined || n === '') {
res.status(400)
return res.json({ error: 'vout can not be empty' })
}
n = parseInt(n)
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'gettxout'
options.data.method = 'gettxout'
options.data.params = [txid, n, mempool]
// console.log(`requestConfig: ${JSON.stringify(requestConfig, null, 2)}`)
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getTxOutPost().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /blockchain/getTxOutProofSingle/:txid Get Tx Out Proof
* @apiName getTxOutProofSingle
* @apiGroup Blockchain
* @apiDescription Returns a hex-encoded proof that 'txid' was included in a block.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/blockchain/getTxOutProofSingle/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33" -H "accept: application/json"
*
* @apiParam {String} txid Transaction id (required)
*
*/
async getTxOutProofSingle (req, res, next) {
try {
// Validate input parameter
const txid = req.params.txid
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'gettxoutproof'
options.data.method = 'gettxoutproof'
options.data.params = [[txid]]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getTxOutProofSingle().', err)
return _this.errorHandler(err, res)
}
}
// Returns a hex-encoded proof that 'txid' was included in a block.
async getTxOutProofBulk (req, res, next) {
try {
const txids = req.body.txids
// Reject if txids is not an array.
if (!Array.isArray(txids)) {
res.status(400)
return res.json({
error: 'txids needs to be an array. Use GET for single txid.'
})
}
// Enforce array size rate limits
if (!routeUtils.validateArraySize(req, txids)) {
res.status(400) // https://github.com/Bitcoin-com/api.fullstack.cash/issues/330
return res.json({
error: 'Array too large.'
})
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
// Validate each element in the array.
for (let i = 0; i < txids.length; i++) {
const txid = txids[i]
if (txid.length !== 64) {
res.status(400)
return res.json({
error: `Invalid txid. Double check your txid is valid: ${txid}`
})
}
}
wlogger.debug(
'Executing blockchain/getTxOutProof with these txids: ',
txids
)
// Loop through each txid and creates an array of requests to call in parallel
const promises = txids.map(async (txid) => {
options.data.id = 'gettxoutproof'
options.data.method = 'gettxoutproof'
options.data.params = [[txid]]
return _this.axios.request(options)
})
// Wait for all parallel promisses to resolve.
const axiosResult = await _this.axios.all(promises)
// Extract the data component from the axios response.
const result = axiosResult.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/getTxOutProofBulk().', err)
return _this.errorHandler(err, res)
}
}
async verifyTxOutProofSingle (req, res, next) {
try {
// Validate input parameter
const proof = req.params.proof
if (!proof || proof === '') {
res.status(400)
return res.json({ error: 'proof can not be empty' })
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'verifytxoutproof'
options.data.method = 'verifytxoutproof'
options.data.params = [req.params.proof]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/verifyTxOutProofSingle().', err)
return _this.errorHandler(err, res)
}
}
async verifyTxOutProofBulk (req, res, next) {
try {
const proofs = req.body.proofs
// Reject if proofs is not an array.
if (!Array.isArray(proofs)) {
res.status(400)
return res.json({
error: 'proofs needs to be an array. Use GET for single proof.'
})
}
// Enforce array size rate limits
if (!routeUtils.validateArraySize(req, proofs)) {
res.status(400) // https://github.com/Bitcoin-com/api.fullstack.cash/issues/330
return res.json({
error: 'Array too large.'
})
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
// Validate each element in the array.
for (let i = 0; i < proofs.length; i++) {
const proof = proofs[i]
if (!proof || proof === '') {
res.status(400)
return res.json({ error: `proof can not be empty: ${proof}` })
}
}
wlogger.debug(
'Executing blockchain/verifyTxOutProof with these proofs: ',
proofs
)
// Loop through each proof and creates an array of requests to call in parallel
const promises = proofs.map(async (proof) => {
options.data.id = 'verifytxoutproof'
options.data.method = 'verifytxoutproof'
options.data.params = [proof]
return _this.axios.request(options)
})
// Wait for all parallel promisses to resolve.
const axiosResult = await _this.axios.all(promises)
// Extract the data component from the axios response.
const result = axiosResult.map((x) => x.data.result[0])
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.ts/verifyTxOutProofBulk().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {post} /blockchain/getBlock/ Get block details
* @apiName getBlock
* @apiGroup Blockchain
* @apiDescription Returns block details
*
* @apiExample Example usage:
* curl "https://api.fullstack.cash/v4/blockchain/getblock/" -X POST -H "Content-Type: application/json" --data-binary '{"blockhash":"000000000000000002a5fe0bdd6e3f04342a975c0f55e57f97e73bb90041676b","verbosity":0 }'
*
* @apiParam {String} blockhash Block hash (required)
* @apiParam {Number} verbosity Default 1 (optional)
*
*/
async getBlock (req, res, next) {
try {
// Validate input parameter
const blockhash = req.body.blockhash
let verbosity = req.body.verbosity
// Default to a value of 1 if another verbosity level is not defined.
if (!verbosity && verbosity !== 0) verbosity = 1
if (!blockhash || blockhash === '') {
res.status(400)
return res.json({ error: 'blockhash can not be empty' })
}
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getblock'
options.data.method = 'getblock'
options.data.params = [blockhash, verbosity]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error('Error in blockchain.js/getBlock()', err)
return _this.errorHandler(err, res)
}
}
}
module.exports = Blockchain
+116
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@@ -0,0 +1,116 @@
'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
// const routeUtils = require('../route-utils')
const wlogger = require('../../../util/winston-logging')
const RouteUtils = require('../../../util/route-utils')
const routeUtils = new RouteUtils()
// Used for processing error messages before sending them to the user.
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
let _this
class Control {
constructor () {
_this = this
_this.axios = axios
_this.routeUtils = routeUtils
_this.router = router
_this.router.get('/', _this.root)
_this.router.get('/getNetworkInfo', _this.getNetworkInfo)
}
root (req, res, next) {
return res.json({ status: 'control' })
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
res.status(500)
return res.json({ error: util.inspect(err) })
}
/**
* @api {get} /control/getnetworkinfo Get Network Info
* @apiName GetNetworkInfo
* @apiGroup Control
* @apiDescription RPC call which gets basic full node information.
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/control/getnetworkinfo" -H "accept: application/json"
*
*/
async getNetworkInfo (req, res, next) {
// Axios options
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getnetworkinfo'
options.data.method = 'getnetworkinfo'
options.data.params = []
try {
// const response = await BitboxHTTP(requestConfig)
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (error) {
wlogger.error('Error in control.ts/getNetworkInfo().', error)
return _this.errorHandler(error, res)
}
}
// router.get('/getMemoryInfo', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getmemoryinfo",
// method: "getmemoryinfo"
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.get('/help', (req, res, next) => {
// BITBOX.Control.help()
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.post('/stop', (req, res, next) => {
// BITBOX.Control.stop()
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
}
module.exports = Control
+169
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@@ -0,0 +1,169 @@
'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
const RouteUtils = require('../../../util/route-utils')
const routeUtils = new RouteUtils()
const wlogger = require('../../../util/winston-logging')
// Used to convert error messages to strings, to safely pass to users.
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
let _this
class Mining {
constructor () {
_this = this
_this.axios = axios
_this.routeUtils = routeUtils
_this.router = router
_this.router.get('/', _this.root)
_this.router.get('/getMiningInfo', _this.getMiningInfo)
_this.router.get('/getNetworkHashPS', _this.getNetworkHashPS)
}
root (req, res, next) {
return res.json({ status: 'mining' })
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
res.status(500)
return res.json({ error: util.inspect(err) })
}
// router.get('/getBlockTemplate/:templateRequest', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getblocktemplate",
// method: "getblocktemplate",
// params: [
// req.params.templateRequest
// ]
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
/**
* @api {get} /mining/getMiningInfo Get Mining Info.
* @apiName Mining info.
* @apiGroup Mining
* @apiDescription Returns a json object containing mining-related information.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/mining/getMiningInfo" -H "accept: application/json"
*
*
*/
async getMiningInfo (req, res, next) {
try {
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getmininginfo'
options.data.method = 'getmininginfo'
options.data.params = []
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
wlogger.error('Error in mining.ts/getMiningInfo().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /mining/getNetworkHashps?nblocks=&height= Get Estimated network hashes per second.
* @apiName Estimated network hashes per second.
* @apiGroup Mining
* @apiDescription Returns the estimated network hashes per second based on the last n blocks. Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change. Pass in [height] to estimate the network speed at the time when a certain block was found.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/mining/getNetworkHashps?nblocks=120&height=-1" -H "accept: application/json"
*
*
*/
async getNetworkHashPS (req, res, next) {
try {
let nblocks = 120 // Default
let height = -1 // Default
if (req.query.nblocks) nblocks = parseInt(req.query.nblocks)
if (req.query.height) height = parseInt(req.query.height)
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getnetworkhashps'
options.data.method = 'getnetworkhashps'
options.data.params = [nblocks, height]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
wlogger.error('Error in mining.ts/getNetworkHashPS().', err)
return _this.errorHandler(err, res)
}
}
// router.post('/submitBlock/:hex', (req, res, next) => {
// let parameters = '';
// if(req.query.parameters && req.query.parameters !== '') {
// parameters = true;
// }
//
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"submitblock",
// method: "submitblock",
// params: [
// req.params.hex,
// parameters
// ]
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
}
module.exports = Mining
+168
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'use strict'
const express = require('express')
const router = express.Router()
router.get('/', async (req, res, next) => {
res.json({ status: 'network' })
})
// router.post('/addNode/:node/:command', (req, res, next) => {
// BITBOX.Network.addNode(req.params.node, req.params.command)
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.post('/clearBanned', (req, res, next) => {
// BITBOX.Network.clearBanned()
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.post('/disconnectNode/:address/:nodeid', (req, res, next) => {
// BITBOX.Network.disconnectNode(req.params.address, req.params.nodeid)
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.get('/getAddedNodeInfo/:node', (req, res, next) => {
// BITBOX.Network.getAddedNodeInfo(req.params.node)
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.get('/getConnectionCount', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getconnectioncount",
// method: "getconnectioncount"
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.get('/getNetTotals', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getnettotals",
// method: "getnettotals"
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.get('/getNetworkInfo', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getnetworkinfo",
// method: "getnetworkinfo"
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.get('/getPeerInfo', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"getpeerinfo",
// method: "getpeerinfo"
// }
// })
// .then((response) => {
// res.json(response.data.result);
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.get('/ping', (req, res, next) => {
// BitboxHTTP({
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: "1.0",
// id:"ping",
// method: "ping"
// }
// })
// .then((response) => {
// res.json(JSON.stringify(response.data.result));
// })
// .catch((error) => {
// res.send(error.response.data.error.message);
// });
// });
//
// router.post('/setBan/:subnet/:command', (req, res, next) => {
// // TODO finish this
// BITBOX.Network.getConnectionCount(req.params.subnet, req.params.command)
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
//
// router.post('/setNetworkActive/:state', (req, res, next) => {
// let state = true;
// if(req.params.state && req.params.state === 'false') {
// state = false;
// }
// BITBOX.Network.getConnectionCount(state)
// .then((result) => {
// res.json(result);
// }, (err) => { console.log(err);
// });
// });
module.exports = router
+589
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@@ -0,0 +1,589 @@
'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
const RouteUtils = require('../../../util/route-utils')
const routeUtils = new RouteUtils()
const wlogger = require('../../../util/winston-logging')
// Used to convert error messages to strings, to safely pass to users.
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
let _this
class RawTransactions {
constructor () {
_this = this
// Encapsulate external dependencies.
this.axios = axios
this.routeUtils = routeUtils
// Define Express routes.
this.router = router
this.router.get('/', this.root)
this.router.get(
'/decodeRawTransaction/:hex',
this.decodeRawTransactionSingle
)
this.router.post('/decodeRawTransaction', this.decodeRawTransactionBulk)
this.router.get('/decodeScript/:hex', this.decodeScriptSingle)
this.router.post('/decodeScript', this.decodeScriptBulk)
this.router.post('/getRawTransaction', this.getRawTransactionBulk)
this.router.get('/getRawTransaction/:txid', this.getRawTransactionSingle)
this.router.post('/sendRawTransaction', this.sendRawTransactionBulk)
this.router.get('/sendRawTransaction/:hex', this.sendRawTransactionSingle)
}
root (req, res, next) {
return res.json({ status: 'rawtransactions' })
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
res.status(500)
return res.json({ error: util.inspect(err) })
}
// Decode transaction hex into a JSON object.
// GET
/**
* @api {get} /rawtransactions/decodeRawTransaction/{hex} Decode Single Raw Transaction.
* @apiName Decode Single Raw Transaction
* @apiGroup Raw Transaction
* @apiDescription Return a JSON object representing the serialized, hex-encoded transaction.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/rawtransactions/decodeRawTransaction/02000000010e991f7ccec410f27d333f737f149b5d3be6728687da81072e638aed0063a176010000006b483045022100cd20443b0af090053450bc4ab00d563d4ac5955bb36e0135b00b8a96a19f233302205047f2c70a08c6ef4b76f2d198b33a31d17edfaa7e1e9e865894da0d396009354121024d4e7f522f67105b7bf5f9dbe557e7b2244613fdfcd6fe09304f93877328f6beffffffff02a0860100000000001976a9140ee020c07f39526ac5505c54fa1ab98490979b8388acb5f0f70b000000001976a9143a9b2b0c12fe722fcf653b6ef5dcc38732d6ff5188ac00000000" -H "accept: application/json"
*/
async decodeRawTransactionSingle (req, res, next) {
try {
const hex = req.params.hex
// Throw an error if hex is empty.
if (!hex || hex === '') {
res.status(400)
return res.json({ error: 'hex can not be empty' })
}
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'decoderawtransaction'
options.data.method = 'decoderawtransaction'
options.data.params = [hex]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
wlogger.error(
'Error in rawtransactions.ts/decodeRawTransactionSingle().',
err
)
return _this.errorHandler(err, res)
}
}
/**
* @api {post} /rawtransactions/decodeRawTransaction Decode Bulk Raw Transactions.
* @apiName Decode Bulk Raw Transactions
* @apiGroup Raw Transaction
* @apiDescription Return bulk hex encoded transaction.
*
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/rawtransactions/decodeRawTransaction" -H "accept: application/json" -H "Content-Type: application/json" -d '{"hexes":["01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000","01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000"]}'
*
*
*/
async decodeRawTransactionBulk (req, res, next) {
try {
const hexes = req.body.hexes
if (!Array.isArray(hexes)) {
res.status(400)
return res.json({ error: 'hexes must be an array' })
}
// Enforce array size rate limits
if (!_this.routeUtils.validateArraySize(req, hexes)) {
res.status(400) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
return res.json({
error: 'Array too large.'
})
}
// const results = []
// Validate each element in the address array.
for (let i = 0; i < hexes.length; i++) {
const thisHex = hexes[i]
// Reject if id is empty
if (!thisHex || thisHex === '') {
res.status(400)
return res.json({ error: 'Encountered empty hex' })
}
}
const options = _this.routeUtils.getAxiosOptions()
// Loop through each height and creates an array of requests to call in parallel
const promises = hexes.map(async (hex) => {
options.data.id = 'decoderawtransaction'
options.data.method = 'decoderawtransaction'
options.data.params = [hex]
return _this.axios.request(options)
})
// Wait for all parallel Insight requests to return.
const axiosResult = await _this.axios.all(promises)
// Retrieve the data part of the result.
const result = axiosResult.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/getRawTransaction: `, err)
wlogger.error(
'Error in rawtransactions.ts/decodeRawTransactionBulk().',
err
)
return _this.errorHandler(err, res)
}
}
// Decode a raw transaction from hex to assembly.
// GET single
/**
* @api {get} /rawtransactions/decodeScript/{hex} Decode Single Script.
* @apiName Decode Single Script
* @apiGroup Raw Transaction
* @apiDescription Decode a hex-encoded script.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/rawtransactions/decodeScript/4830450221009a51e00ec3524a7389592bc27bea4af5104a59510f5f0cfafa64bbd5c164ca2e02206c2a8bbb47eabdeed52f17d7df668d521600286406930426e3a9415fe10ed592012102e6e1423f7abde8b70bca3e78a7d030e5efabd3eb35c19302542b5fe7879c1a16" -H "accept: application/json"
*
*
*/
async decodeScriptSingle (req, res, next) {
try {
const hex = req.params.hex
// Throw an error if hex is empty.
if (!hex || hex === '') {
res.status(400)
return res.json({ error: 'hex can not be empty' })
}
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'decodescript'
options.data.method = 'decodescript'
options.data.params = [hex]
const response = await _this.axios.request(options)
return res.json(response.data.result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeScript: `, err)
wlogger.error('Error in rawtransactions.ts/decodeScriptSingle().', err)
return _this.errorHandler(err, res)
}
}
// Decode a raw transaction from hex to assembly.
// POST bulk
/**
* @api {post} /rawtransactions/decodeScript Bulk Decode Script.
* @apiName Bulk Decode Script
* @apiGroup Raw Transaction
* @apiDescription Decode multiple hex-encoded scripts.
*
*
* @apiExample Example usage:
*curl -X POST "https://api.fullstack.cash/v4/rawtransactions/decodeScript" -H "accept:" -H "Content-Type: application/json" -d '{"hexes":["01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000","01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000"]}'
*
*
*/
async decodeScriptBulk (req, res, next) {
try {
const hexes = req.body.hexes
// Validation
if (!Array.isArray(hexes)) {
res.status(400)
return res.json({ error: 'hexes must be an array' })
}
// Enforce array size rate limits
if (!_this.routeUtils.validateArraySize(req, hexes)) {
res.status(400) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
return res.json({
error: 'Array too large.'
})
}
// Validate each hex in the array
for (let i = 0; i < hexes.length; i++) {
const hex = hexes[i]
// Throw an error if hex is empty.
if (!hex || hex === '') {
res.status(400)
return res.json({ error: 'Encountered empty hex' })
}
}
const options = _this.routeUtils.getAxiosOptions()
// Loop through each hex and create an array of promises
const promises = hexes.map(async (hex) => {
options.data.id = 'decodescript'
options.data.method = 'decodescript'
options.data.params = [hex]
const response = await _this.axios.request(options)
return response
})
// Wait for all parallel promises to return.
const resolved = await Promise.all(promises)
// Retrieve the data from each resolved promise.
const result = resolved.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/decodeScript: `, err)
wlogger.error('Error in rawtransactions.ts/decodeScriptBulk().', err)
return _this.errorHandler(err, res)
}
}
// Retrieve raw transactions details from the full node.
async getRawTransactionsFromNode (txid, verbose) {
try {
const options = _this.routeUtils.getAxiosOptions()
options.data.id = 'getrawtransaction'
options.data.method = 'getrawtransaction'
options.data.params = [txid, verbose]
const response = await _this.axios.request(options)
return response.data.result
} catch (err) {
wlogger.error('Error in rawtransactions.ts/getRawTransactionsFromNode().')
throw err
}
}
// Get a JSON object breakdown of transaction details.
// POST
/**
* @api {post} /rawtransactions/getRawTransaction Get Bulk Raw Transactions.
* @apiName Get Bulk Raw Transactions.
* @apiGroup Raw Transaction
* @apiDescription Return the raw transaction data for multiple transactions. If verbose is 'true', returns an Object with information about 'txid'. If verbose is 'false' or omitted, returns a string that is serialized, hex-encoded data for 'txid'.
*
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/rawtransactions/getRawTransaction" -H "accept: application/json" -H "Content-Type: application/json" -d '{"txids":["a5f972572ee1753e2fd2457dd61ce5f40fa2f8a30173d417e49feef7542c96a1","5165dc531aad05d1149bb0f0d9b7bda99c73e2f05e314bcfb5b4bb9ca5e1af5e"],"verbose":true}'
*
*/
async getRawTransactionBulk (req, res, next) {
try {
let verbose = 0
if (req.body.verbose) verbose = 1
const txids = req.body.txids
if (!Array.isArray(txids)) {
res.status(400)
return res.json({ error: 'txids must be an array' })
}
// Enforce array size rate limits
if (!_this.routeUtils.validateArraySize(req, txids)) {
res.status(400) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
return res.json({
error: 'Array too large.'
})
}
// Validate each txid in the array.
for (let i = 0; i < txids.length; i++) {
const txid = txids[i]
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'Encountered empty TXID' })
}
if (txid.length !== 64) {
res.status(400)
return res.json({
error: `parameter 1 must be of length 64 (not ${txid.length})`
})
}
}
// Loop through each txid and create an array of promises
const promises = txids.map(async (txid) =>
_this.getRawTransactionsFromNode(txid, verbose)
)
// Wait for all parallel promises to return.
const axiosResult = await _this.axios.all(promises)
res.status(200)
return res.json(axiosResult)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/getRawTransaction: `, err)
wlogger.error('Error in rawtransactions.ts/getRawTransactionBulk().', err)
return _this.errorHandler(err, res)
}
}
// Get a JSON object breakdown of transaction details.
// GET
/**
* @api {get} /rawtransactions/getRawTransaction/{txid} Return the raw transaction data.
* @apiName Get Raw Transaction
* @apiGroup Raw Transaction
* @apiDescription return the raw transaction data. If verbose is 'true', returns an Object with information about 'txid'. If verbose is 'false' or omitted, returns a string that is serialized, hex-encoded data for 'txid'.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/rawtransactions/getRawTransaction/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33?verbose=true" -H "accept: application/json"
*
*
*/
async getRawTransactionSingle (req, res, next) {
try {
let verbose = 0
if (req.query.verbose === 'true') verbose = 1
const txid = req.params.txid
if (!txid || txid === '') {
res.status(400)
return res.json({ error: 'txid can not be empty' })
}
if (txid.length !== 64) {
res.status(400)
return res.json({
error: `parameter 1 must be of length 64 (not ${txid.length})`
})
}
const data = await _this.getRawTransactionsFromNode(txid, verbose)
return res.json(data)
} catch (err) {
// Write out error to error log.
// logger.error(`Error in rawtransactions/getRawTransaction: `, err)
wlogger.error(
'Error in rawtransactions.ts/getRawTransactionSingle().',
err
)
return _this.errorHandler(err, res)
}
}
// Transmit a raw transaction to the BCH network.
/**
* @api {post} /rawtransactions/sendRawTransaction Send Bulk Raw Transactions.
* @apiName Send Bulk Raw Transactions
* @apiGroup Raw Transaction
* @apiDescription Submits multiple raw transaction (serialized, hex-encoded) to local node and network.
*
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/rawtransactions/sendRawTransaction" -H "accept:application/json" -H "Content-Type: application/json" -d '{"hexes":["01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000","01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000"]}'
*
*
*/
async sendRawTransactionBulk (req, res, next) {
try {
// Validation
const hexes = req.body.hexes
// Reject if input is not an array
if (!Array.isArray(hexes)) {
res.status(400)
return res.json({ error: 'hex must be an array' })
}
let options = _this.routeUtils.getAxiosOptions()
options = _this.sendTxOptions(options)
// Enforce array size rate limits
if (!_this.routeUtils.validateArraySize(req, hexes)) {
res.status(400) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
return res.json({
error: 'Array too large.'
})
}
// Validate each element
for (let i = 0; i < hexes.length; i++) {
const hex = hexes[i]
if (hex === '') {
res.status(400)
return res.json({
error: 'Encountered empty hex'
})
}
}
// Dev Note CT 1/31/2019:
// Sending the 'sendrawtrnasaction' RPC call to a full node in parallel will
// not work. Testing showed that the full node will return the same TXID for
// different TX hexes. I believe this is by design, to prevent double spends.
// In parallel, we are essentially asking the node to broadcast a new TX before
// it's finished broadcast the previous one. Serial execution is required.
// How to send TX hexes in parallel the WRONG WAY:
/*
// Collect an array of promises.
const promises = hexes.map(async (hex: any) => {
requestConfig.data.id = "sendrawtransaction"
requestConfig.data.method = "sendrawtransaction"
requestConfig.data.params = [hex]
return await BitboxHTTP(requestConfig)
})
// Wait for all parallel Insight requests to return.
const axiosResult: Array<any> = await axios.all(promises)
// Retrieve the data part of the result.
const result = axiosResult.map(x => x.data.result)
*/
// Sending them serially.
const result = []
for (let i = 0; i < hexes.length; i++) {
const hex = hexes[i]
options.data.id = 'sendrawtransaction'
options.data.method = 'sendrawtransaction'
options.data.params = [hex]
const rpcResult = await _this.axios.request(options)
result.push(rpcResult.data.result)
}
res.status(200)
return res.json(result)
} catch (err) {
wlogger.error(
'Error in rawtransactions.ts/sendRawTransactionBulk().',
err
)
return _this.errorHandler(err, res)
}
}
// Transmit a raw transaction to the BCH network.
/**
* @api {get} /rawtransactions/sendRawTransaction/{hex} Send Single Raw Transaction.
* @apiName Send Single Raw Transaction
* @apiGroup Raw Transaction
* @apiDescription Submits single raw transaction (serialized, hex-encoded) to local node and network.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/rawtransactions/sendRawTransaction/01000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a000000006a4730440220540986d1c58d6e76f8f05501c520c38ce55393d0ed7ed3c3a82c69af04221232022058ea43ed6c05fec0eccce749a63332ed4525460105346f11108b9c26df93cd72012103083dfc5a0254613941ddc91af39ff90cd711cdcde03a87b144b883b524660c39ffffffff01807c814a000000001976a914d7e7c4e0b70eaa67ceff9d2823d1bbb9f6df9a5188ac00000000" -H "accept: "
*
*
*/
async sendRawTransactionSingle (req, res, next) {
try {
const hex = req.params.hex // URL parameter
// Reject if input is not an array or a string
if (typeof hex !== 'string') {
res.status(400)
return res.json({ error: 'hex must be a string' })
}
// Validation
if (hex === '') {
res.status(400)
return res.json({
error: 'Encountered empty hex'
})
}
let options = _this.routeUtils.getAxiosOptions()
options = _this.sendTxOptions(options)
// RPC call
options.data.id = 'sendrawtransaction'
options.data.method = 'sendrawtransaction'
options.data.params = [hex]
const rpcResult = await _this.axios.request(options)
const result = rpcResult.data.result
res.status(200)
return res.json(result)
} catch (err) {
wlogger.error(
'Error in rawtransactions.ts/sendRawTransactionSingle().',
err
)
return _this.errorHandler(err, res)
}
}
// This method modifies the default axios options. It attempts to inject
// a specific full node to use when broadcasting transactions. This is useful
// because it leverages the built-in protections that a full node has against
// accidental double spends. It mitigates a corner-case when rapidly spending
// TXs on load balanced nodes. By piping all TX sends through a single node,
// accidental double spends can be reduced.
sendTxOptions (options) {
try {
const sendUrl = process.env.RPC_SENDURL
if (sendUrl !== 'undefined' && sendUrl !== undefined) {
// console.log(`original options: ${JSON.stringify(options, null, 2)}`)
options.baseURL = process.env.RPC_SENDURL
// console.log(`modified options: ${JSON.stringify(options, null, 2)}`)
}
return options
} catch (err) {
wlogger.error('Error in rawtransactions.js/sendTxOptions()')
throw err
}
}
}
module.exports = RawTransactions
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/*
This health-check API can be used to test the server for aliveness and
readiness.
*/
'use strict'
const express = require('express')
const router = express.Router()
/* GET home page. */
router.get('/', (req, res, next) => {
res.json({ status: true })
})
module.exports = router
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/*
A library for interacting with the Bitcoin.com ninsight (not Insight) indexer.
*/
'use strict'
const express = require('express')
// const axios = require('axios')
// const routeUtils = require('./route-utils')
// const wlogger = require('../../util/winston-logging')
const router = express.Router()
// const BCHJS = require('@psf/bch-js')
// const bchjs = new BCHJS()
// let _this
class Ninsight {
constructor () {
// _this = this
this.router = router
this.router.get('/', this.root)
}
root (req, res, next) {
return res.json({ status: 'ninsight' })
}
}
module.exports = Ninsight
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/*
This price route is really just a wrapper for another API price endpoint.
The main reason for hosting this price wrapper is so that the price can
be accessible over Tor. Tor is typically blocked by other REST API servers.
*/
'use strict'
const express = require('express')
const axios = require('axios')
const wlogger = require('../../util/winston-logging')
const util = require('util')
const RouteUtils = require('../../util/route-utils')
const routeUtils = new RouteUtils()
let _this // Global context for 'this' instance of the Class.
class Price {
constructor () {
_this = this
this.axios = axios
this.routeUtils = routeUtils
this.priceUrl = 'https://api.coinbase.com/v2/exchange-rates?currency=BCH'
this.coinexPriceUrl =
'https://api.coinex.com/v1/market/ticker?market=bchausdt'
this.bchCoinexPriceUrl =
'https://api.coinex.com/v1/market/ticker?market=bchusdt'
this.router = express.Router()
this.router.get('/', _this.root)
this.router.get('/usd', _this.getUSD)
this.router.get('/rates', _this.getBCHRate)
this.router.get('/bchausd', _this.getBCHAUSD)
this.router.get('/bchusd', _this.getBCHUSD)
}
// DRY error handler.
errorHandler (err, res) {
// Attempt to decode the error message.
const { msg, status } = _this.routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
res.status(500)
return res.json({ error: util.inspect(err) })
}
// Root API endpoint. Simply acknowledges that it exists.
root (req, res, next) {
return res.json({ status: 'price' })
}
/**
* @api {get} /price/usd Get the USD price of BCH
* @apiName Get the USD price of BCH
* @apiGroup Price
* @apiDescription Get the USD price of BCH from Coinbase.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/price/usd" -H "accept: application/json"
*
*/
async getUSD (req, res, next) {
try {
// Request options
const opt = {
method: 'get',
baseURL: _this.priceUrl,
timeout: 15000
}
const response = await axios.request(opt)
// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
return res.json({ usd: Number(response.data.data.rates.USD) })
} catch (err) {
// Write out error to error log.
wlogger.error('Error in price.js/getUSD().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /price/usd Get rates for several different currencies
* @apiName Get rates for several different currencies
* @apiGroup Price
* @apiDescription Get rates for several different currencies from Coinbase.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/price/rates" -H "accept: application/json"
*
*/
// Get rates for several different currencies
async getBCHRate (req, res, next) {
try {
// Request options
const opt = {
method: 'get',
baseURL: _this.priceUrl,
timeout: 15000
}
const response = await axios.request(opt)
// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
return res.json(response.data.data.rates)
} catch (err) {
// Write out error to error log.
wlogger.error('Error in price.js/getUSD().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /price/bchausd Get the USD price of BCHA
* @apiName Get the USD price of BCHA
* @apiGroup Price
* @apiDescription Get the USD price of BCHA from Coinex.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/price/bchausd" -H "accept: application/json"
*
*/
async getBCHAUSD (req, res, next) {
try {
// Request options
const opt = {
method: 'get',
baseURL: _this.coinexPriceUrl,
timeout: 15000
}
const response = await axios.request(opt)
// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
const price = Number(response.data.data.ticker.last)
return res.json({ usd: price })
} catch (err) {
// Write out error to error log.
wlogger.error('Error in price.js/getBCHAUSD().', err)
return _this.errorHandler(err, res)
}
}
/**
* @api {get} /price/bchusd Get the USD price of BCH
* @apiName Get the USD price of BCH
* @apiGroup Price
* @apiDescription Get the USD price of BCH from Coinex.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/price/bchusd" -H "accept: application/json"
*
*/
async getBCHUSD (req, res, next) {
try {
// Request options
const opt = {
method: 'get',
baseURL: _this.bchCoinexPriceUrl,
timeout: 15000
}
const response = await axios.request(opt)
// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
const price = Number(response.data.data.ticker.last)
return res.json({ usd: price })
} catch (err) {
// Write out error to error log.
wlogger.error('Error in price.js/getBCHUSD().', err)
return _this.errorHandler(err, res)
}
}
}
module.exports = Price
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const axios = require('axios')
const SLPSDK = require('@psf/bch-js')
const SLP = new SLPSDK()
class Slpdb {
// Gets transaction history for all tokens for an address. Can also specify
// block height, but defaults to 0.
async getHistoricalSlpTransactions (addressList, fromBlock = 0) {
// Build SLPDB or query from addressList
const orQueryArray = []
for (const address of addressList) {
const cashAddress = SLP.SLP.Address.toCashAddress(address)
const slpAddress = SLP.SLP.Address.toSLPAddress(address)
const cashQuery = {
'in.e.a': cashAddress.slice(12)
}
const slpQuery = {
'slp.detail.outputs.address': slpAddress
}
orQueryArray.push(cashQuery)
orQueryArray.push(slpQuery)
}
const query = {
v: 3,
q: {
find: {
db: ['c', 'u'],
$query: {
$or: orQueryArray,
'slp.valid': true,
'blk.i': {
$not: {
$lte: fromBlock
}
}
},
$orderby: {
'blk.i': -1
}
},
project: {
_id: 0,
'tx.h': 1,
'in.i': 1,
'in.e': 1,
'out.e': 1,
'out.a': 1,
'slp.detail': 1,
blk: 1
},
limit: 500
}
}
const result = await this.runQuery(query)
// console.log(`result.data: ${JSON.stringify(result.data, null, 2)}`)
let transactions = []
// Add confirmed transactions
if (result.data && result.data.c) {
transactions = transactions.concat(result.data.c)
}
// Add unconfirmed transactions
if (result.data && result.data.u) {
transactions = transactions.concat(result.data.u)
}
return transactions
}
async getTokenStats (tokenId) {
const [
totalMinted,
totalBurned,
tokenDetails,
circulatingSupply
] = await Promise.all([
this.getTotalMinted(tokenId),
this.getTotalBurned(tokenId),
this.getTokenDetails(tokenId),
this.getTotalCirculating(tokenId)
])
tokenDetails.totalMinted = tokenDetails.initialTokenQty + totalMinted
tokenDetails.totalBurned = totalBurned
// tokenDetails.circulatingSupply =
// tokenDetails.totalMinted - tokenDetails.totalBurned
tokenDetails.circulatingSupply = circulatingSupply
return tokenDetails
}
generateCredentials () {
// Generate the Basic Authentication header for a private instance of SLPDB.
const SLPDB_PASS = process.env.SLPDB_PASS
? process.env.SLPDB_PASS
: 'BITBOX'
const username = 'BITBOX'
const password = SLPDB_PASS
const combined = `${username}:${password}`
var base64Credential = Buffer.from(combined).toString('base64')
var readyCredential = `Basic ${base64Credential}`
const options = {
headers: {
authorization: readyCredential,
timeout: 30000
}
}
return options
}
async runQuery (query) {
const queryString = JSON.stringify(query)
const queryBase64 = Buffer.from(queryString).toString('base64')
const url = `${process.env.SLPDB_URL}q/${queryBase64}`
const options = this.generateCredentials()
const response = await axios.get(url, options)
return response
}
async getTotalMinted (tokenId) {
const query = {
v: 3,
q: {
db: ['g'],
aggregate: [
{
$match: {
'tokenDetails.tokenIdHex': tokenId,
'graphTxn.outputs.status': {
$in: [
'BATON_SPENT_IN_MINT',
'BATON_UNSPENT',
'BATON_SPENT_NOT_IN_MINT'
]
}
}
},
{
$unwind: '$graphTxn.outputs'
},
{
$group: {
_id: null,
count: {
$sum: '$graphTxn.outputs.slpAmount'
}
}
}
],
limit: 1
}
}
const result = await this.runQuery(query)
if (!result.data.g.length) {
return 0
}
return parseFloat(result.data.g[0].count)
}
async getTotalCirculating (tokenId) {
const query = {
v: 3,
q: {
db: ['g'],
aggregate: [
{
$match: {
'tokenDetails.tokenIdHex': tokenId,
'graphTxn.outputs': {
$elemMatch: {
status: 'UNSPENT',
slpAmount: { $gte: 0 }
}
}
}
},
{ $unwind: '$graphTxn.outputs' },
{
$match: {
'graphTxn.outputs.status': 'UNSPENT',
'graphTxn.outputs.slpAmount': { $gte: 0 }
}
},
{
$group: {
_id: null,
circulating_supply: {
$sum: '$graphTxn.outputs.slpAmount'
}
}
}
],
limit: 100000
}
}
const result = await this.runQuery(query)
// console.log(`result.data: ${JSON.stringify(result.data, null, 2)}`)
if (!result.data.g.length) {
return 0
}
return parseFloat(result.data.g[0].circulating_supply)
}
async getTotalBurned (tokenId) {
const query = {
v: 3,
q: {
db: ['g'],
aggregate: [
{
$match: {
'tokenDetails.tokenIdHex': tokenId,
'graphTxn.outputs.status': {
$in: [
'SPENT_NON_SLP',
'BATON_SPENT_INVALID_SLP',
'SPENT_INVALID_SLP',
'BATON_SPENT_NON_SLP',
'MISSING_BCH_VOUT',
'BATON_MISSING_BCH_VOUT',
'BATON_SPENT_NOT_IN_MINT',
'EXCESS_INPUT_BURNED'
]
}
}
},
{
$unwind: '$graphTxn.outputs'
},
{
$match: {
'graphTxn.outputs.status': {
$in: [
'SPENT_NON_SLP',
'BATON_SPENT_INVALID_SLP',
'SPENT_INVALID_SLP',
'BATON_SPENT_NON_SLP',
'MISSING_BCH_VOUT',
'BATON_MISSING_BCH_VOUT',
'BATON_SPENT_NOT_IN_MINT',
'EXCESS_INPUT_BURNED'
]
}
}
},
{
$group: {
_id: null,
count: {
$sum: '$graphTxn.outputs.slpAmount'
}
}
}
],
limit: 1
}
}
const result = await this.runQuery(query)
if (!result.data.g.length) {
return 0
}
return parseFloat(result.data.g[0].count)
}
async getTokenDetails (tokenId) {
const query = {
v: 3,
q: {
db: ['t'],
find: {
$query: {
'tokenDetails.tokenIdHex': tokenId
}
},
project: { tokenDetails: 1, tokenStats: 1, _id: 0 },
limit: 1
}
}
const result = await this.runQuery(query)
if (!result.data.t.length) {
throw new Error('Token could not be found')
}
const token = this.formatTokenOutput(result.data.t[0])
return token
}
formatTokenOutput (token) {
// console.log(`token: ${JSON.stringify(token, null, 2)}`)
token.tokenDetails.id = token.tokenDetails.tokenIdHex
delete token.tokenDetails.tokenIdHex
token.tokenDetails.documentHash = token.tokenDetails.documentSha256Hex
delete token.tokenDetails.documentSha256Hex
token.tokenDetails.initialTokenQty = parseFloat(
token.tokenDetails.genesisOrMintQuantity
)
delete token.tokenDetails.genesisOrMintQuantity
delete token.tokenDetails.transactionType
delete token.tokenDetails.batonVout
delete token.tokenDetails.sendOutputs
token.tokenDetails.blockCreated = token.tokenStats.block_created
token.tokenDetails.blockLastActiveSend =
token.tokenStats.block_last_active_send
token.tokenDetails.blockLastActiveMint =
token.tokenStats.block_last_active_mint
token.tokenDetails.txnsSinceGenesis =
token.tokenStats.qty_valid_txns_since_genesis
token.tokenDetails.validAddresses =
token.tokenStats.qty_valid_token_addresses
token.tokenDetails.mintingBatonStatus =
token.tokenStats.minting_baton_status
delete token.tokenStats.block_last_active_send
delete token.tokenStats.block_last_active_mint
delete token.tokenStats.qty_valid_txns_since_genesis
delete token.tokenStats.qty_valid_token_addresses
token.tokenDetails.timestampUnix = token.tokenDetails.timestamp_unix
delete token.tokenDetails.timestamp_unix
return token.tokenDetails
}
}
module.exports = Slpdb
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'use strict'
const express = require('express')
const router = express.Router()
const axios = require('axios')
const RouteUtils = require('../../util/route-utils')
const routeUtils = new RouteUtils()
const wlogger = require('../../util/winston-logging')
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
const BCHJS = require('@psf/bch-js')
const bchjs = new BCHJS()
// const BCHJS_TESTNET = 'https://testnet.bchjs.cash/v4/'
// const bchjsHTTP = axios.create({
// baseURL: process.env.RPC_BASEURL
// })
// const username = process.env.RPC_USERNAME
// const password = process.env.RPC_PASSWORD
// const requestConfig = {
// method: 'post',
// auth: {
// username: username,
// password: password
// },
// data: {
// jsonrpc: '1.0'
// }
// }
let _this
class UtilRoute {
constructor (utilConfig) {
this.bchjs = bchjs
// this.blockbook = blockbook
if (!utilConfig) {
throw new Error(
'Must pass a config object when instantiating the Util library.'
)
}
if (!utilConfig.electrumx) {
throw new Error(
'Must pass an instance of Electrumx when instantiating the Util library.'
)
}
this.electrumx = utilConfig.electrumx
this.router = router
this.router.get('/', this.root)
this.router.get('/validateAddress/:address', this.validateAddressSingle)
this.router.post('/validateAddress', this.validateAddressBulk)
this.router.post('/sweep', this.sweepWif)
_this = this
}
root (req, res, next) {
return res.json({ status: 'util' })
}
/**
* @api {get} /util/validateAddress/{address} Get information about single bitcoin cash address.
* @apiName Information about single bitcoin cash address
* @apiGroup Util
* @apiDescription Returns information about single bitcoin cash address.
*
*
* @apiExample Example usage:
* curl -X GET "https://api.fullstack.cash/v4/util/validateAddress/bitcoincash:qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c" -H "accept: application/json"
*
*
*/
async validateAddressSingle (req, res, next) {
try {
const address = req.params.address
if (!address || address === '') {
res.status(400)
return res.json({ error: 'address can not be empty' })
}
const {
BitboxHTTP,
// username,
// password,
requestConfig
} = routeUtils.setEnvVars()
requestConfig.data.id = 'validateaddress'
requestConfig.data.method = 'validateaddress'
requestConfig.data.params = [address]
const response = await BitboxHTTP(requestConfig)
return res.json(response.data.result)
} catch (err) {
// Attempt to decode the error message.
const { msg, status } = routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
wlogger.error('Error in util.ts/validateAddressSingle().', err)
res.status(500)
return res.json({ error: util.inspect(err) })
}
}
/**
* @api {post} /util/validateAddress Get information about bulk bitcoin cash addresses..
* @apiName Information about bulk bitcoin cash addresses.
* @apiGroup Util
* @apiDescription Returns information about bulk bitcoin cash addresses..
*
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/util/validateAddress" -H "accept: application/json" -H "Content-Type: application/json" -d '{"addresses":["bitcoincash:qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c","bitcoincash:qrehqueqhw629p6e57994436w730t4rzasnly00ht0"]}'
* curl -X POST "https://api.fullstack.cash/v4/util/validateAddress" -H "accept: application/json" -H "Content-Type: application/json" -d '{"addresses":["bitcoincash:qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c","bitcoincash:qrehqueqhw629p6e57994436w730t4rzasnly00ht0"],"from": 1, "to": 5}'
*
*
*/
async validateAddressBulk (req, res, next) {
try {
const addresses = req.body.addresses
// Reject if addresses is not an array.
if (!Array.isArray(addresses)) {
res.status(400)
return res.json({
error: 'addresses needs to be an array. Use GET for single address.'
})
}
// Enforce array size rate limits
if (!routeUtils.validateArraySize(req, addresses)) {
res.status(400) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
return res.json({
error: 'Array too large.'
})
}
// Validate each element in the array.
for (let i = 0; i < addresses.length; i++) {
const address = addresses[i]
// Ensure the input is a valid BCH address.
try {
bchjs.Address.toLegacyAddress(address)
} catch (err) {
res.status(400)
return res.json({
error: `Invalid BCH address. Double check your address is valid: ${address}`
})
}
// Prevent a common user error. Ensure they are using the correct network address.
const networkIsValid = routeUtils.validateNetwork(address)
if (!networkIsValid) {
res.status(400)
return res.json({
error:
'Invalid network. Trying to use a testnet address on mainnet, or vice versa.'
})
}
}
wlogger.debug('Executing util/validate with these addresses: ', addresses)
const {
BitboxHTTP,
// username,
// password,
requestConfig
} = routeUtils.setEnvVars()
// Loop through each address and creates an array of requests to call in parallel
const promises = addresses.map(async (address) => {
requestConfig.data.id = 'validateaddress'
requestConfig.data.method = 'validateaddress'
requestConfig.data.params = [address]
return BitboxHTTP(requestConfig)
})
// Wait for all parallel Insight requests to return.
const axiosResult = await axios.all(promises)
// Retrieve the data part of the result.
const result = axiosResult.map((x) => x.data.result)
res.status(200)
return res.json(result)
} catch (err) {
// Attempt to decode the error message.
const { msg, status } = routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
wlogger.error('Error in util.ts/validateAddressSingle().', err)
res.status(500)
return res.json({ error: util.inspect(err) })
}
}
/**
* @api {post} /util/sweep Sweep BCH and tokens
* @apiName Sweep BCH and tokens from a paper wallet
* @apiGroup Util
* @apiDescription This function can be used to check the BCH balance of a
* paper wallet. It can also be used to sweep BCH and tokens from a paper
* wallet and send them to a destination address.
*
* Note: It does not yet support multiple token classes on the same paper wallet.
*
*
* @apiExample Example usage:
* curl -X POST "https://api.fullstack.cash/v4/util/sweep" -H "accept: application/json" -H "Content-Type: application/json" -d '{"wif":"Kz52sdXLAiKtH82iAFRi6aTZanWtW5Eyv37KWdpY6tTv7pjoHste", "balanceOnly": true}'
* curl -X POST "https://api.fullstack.cash/v4/util/sweep" -H "accept: application/json" -H "Content-Type: application/json" -d '{"wif":"Kz52sdXLAiKtH82iAFRi6aTZanWtW5Eyv37KWdpY6tTv7pjoHste", "toAddr": "bitcoincash:qpt8m4kqu963geedyrur6pdggqmv5kxwnq0rn322qu"}'
*
*
*/
async sweepWif (req, res, next) {
try {
// Validate input
const wif = req.body.wif
const toAddr = req.body.toAddr
const balanceOnly = req.body.balanceOnly
if (typeof wif !== 'string' || wif.length !== 52) {
res.status(400)
return res.json({
error: 'WIF needs to a proper compressed WIF starting with K or L'
})
}
if (!balanceOnly) {
// Only throw error if balanceOnly is false or undefined.
if (!toAddr || toAddr === '') {
res.status(400)
return res.json({ error: 'address can not be empty' })
}
}
wlogger.debug('Executing util/sweepWif with this address: ', toAddr)
// Generate a private and public key pair from the WIF.
const ecPair = bchjs.ECPair.fromWIF(wif)
const fromAddr = bchjs.ECPair.toCashAddress(ecPair)
// Get a balance on the public address
const balances = await _this.electrumx._balanceFromElectrumx(fromAddr)
// console.log(`balances: ${JSON.stringify(balances, null, 2)}`)
// Total balance is the sum of the confirmed and unconfirmed balance.
const totalBalance = balances.confirmed + balances.unconfirmed
// Exit if balance is zero.
if (isNaN(totalBalance) || totalBalance === 0) {
res.status(422)
return res.json({ error: 'No balance found at BCH address.' })
}
// Exit if this is a balance-only call.
if (balanceOnly) {
res.status(200)
return res.json(totalBalance)
}
// Get all UTXOs help by the address.
const utxos = await _this.electrumx._utxosFromElectrumx(fromAddr)
// console.log(`utxos: ${JSON.stringify(utxos, null, 2)}`)
const tokenUtxos = []
const bchUtxos = []
// Exit if there are no UTXOs.
if (utxos.length === 0) {
res.status(422)
return res.json({ error: 'No utxos found.' })
}
// Figure out which UTXOs are associated with SLP tokens.
const isTokenUtxo = await _this.bchjs.SLP.Utils.tokenUtxoDetails(utxos)
// console.log(`isTokenUtxo: ${JSON.stringify(isTokenUtxo, null, 2)}`)
// Separate the bch and token UTXOs.
for (let i = 0; i < utxos.length; i++) {
// Filter based on isTokenUtxo.
if (!isTokenUtxo[i]) bchUtxos.push(utxos[i])
else tokenUtxos.push(isTokenUtxo[i])
}
// console.log(
// `bchUtxos.length: ${bchUtxos.length}, tokenUtxos.length: ${tokenUtxos.length}`
// )
// Throw error if no BCH to move tokens.
if (bchUtxos.length === 0 && tokenUtxos.length > 0) {
res.status(422)
return res.json({
error:
'Tokens found, but no BCH UTXOs found. Add BCH to wallet to move tokens.'
})
}
// console.log(`tokenUtxos: ${JSON.stringify(tokenUtxos, null, 2)}`)
const options = {
ecPair,
utxos,
fromAddr,
toAddr,
bchUtxos,
tokenUtxos
}
let hex
// Choose the sweeping algorithm, based on if there are tokens or not.
if (tokenUtxos.length === 0) hex = await _this._sweepBCH(options)
else hex = await _this._sweepTokens(options, bchUtxos, tokenUtxos)
// console.log(`hex: ${hex}`)
// Throw error if there is more than one token class.
// Generate a transaction to move tokens and BCH.
// Broadcast the transaction.
const txid = _this.bchjs.RawTransactions.sendRawTransaction([hex])
res.status(200)
return res.json(txid)
} catch (err) {
// Attempt to decode the error message.
const { msg, status } = routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
// Catch the specific case of multiple tokens.
if (
err.message &&
err.message.indexOf('Multiple token classes detected') > -1
) {
res.status(422)
return res.json({ error: err.message })
}
wlogger.error('Error in util.js/sweepWif().', err)
console.error('Error in util.js/sweepWif().', err)
res.status(500)
return res.json({ error: err.message })
}
}
// Sweep BCH only from a private WIF.
async _sweepBCH (options) {
try {
// const wif = flags.wif
// const toAddr = flags.address
const ecPair = options.ecPair
const toAddr = options.toAddr
// const fromAddr = this.BITBOX.ECPair.toCashAddress(ecPair)
//
// // Get the UTXOs for that address.
// let utxos = await this.BITBOX.Blockbook.utxo(fromAddr)
// console.log(`utxos: ${JSON.stringify(utxos, null, 2)}`)
let utxos = options.utxos
// Ensure all utxos have the satoshis property.
utxos = utxos.map((x) => {
x.satoshis = Number(x.value)
return x
})
// console.log(`utxos: ${JSON.stringify(utxos, null, 2)}`)
// instance of transaction builder
let transactionBuilder
if (options.testnet) {
transactionBuilder = new _this.bchjs.TransactionBuilder('testnet')
} else transactionBuilder = new _this.bchjs.TransactionBuilder()
let originalAmount = 0
// Loop through all UTXOs.
for (let i = 0; i < utxos.length; i++) {
const utxo = utxos[i]
originalAmount = originalAmount + utxo.value
transactionBuilder.addInput(utxo.tx_hash, utxo.tx_pos)
}
if (originalAmount < 546) {
throw new Error(
'Original amount less than the dust limit. Not enough BCH to send.'
)
}
// get byte count to calculate fee. paying 1 sat/byte
const byteCount = _this.bchjs.BitcoinCash.getByteCount(
{ P2PKH: utxos.length },
{ P2PKH: 1 }
)
const fee = Math.ceil(1.1 * byteCount)
// amount to send to receiver. It's the original amount - 1 sat/byte for tx size
const sendAmount = originalAmount - fee
// add output w/ address and amount to send
transactionBuilder.addOutput(
_this.bchjs.Address.toLegacyAddress(toAddr),
sendAmount
)
// Loop through each input and sign
let redeemScript
for (var i = 0; i < utxos.length; i++) {
const utxo = utxos[i]
transactionBuilder.sign(
i,
ecPair,
redeemScript,
transactionBuilder.hashTypes.SIGHASH_ALL,
utxo.value
)
}
// build tx
const tx = transactionBuilder.build()
// output rawhex
const hex = tx.toHex()
return hex
} catch (err) {
wlogger.error('Error in util.js/sweepBCH().')
throw err
}
}
// Sweep BCH and tokens from a WIF.
async _sweepTokens (options) {
try {
// const { ecPair, utxos, fromAddr, toAddr, bchUtxos, tokenUtxos } = options
const { ecPair, utxos, toAddr, bchUtxos, tokenUtxos } = options
// Input validation
if (!Array.isArray(bchUtxos) || bchUtxos.length === 0) {
throw new Error('bchUtxos need to be an array with one UTXO.')
}
if (!Array.isArray(tokenUtxos) || tokenUtxos.length === 0) {
throw new Error('tokenUtxos need to be an array with one UTXO.')
}
// if (flags.testnet)
// this.BITBOX = new config.BCHLIB({ restURL: config.TESTNET_REST })
// console.log(`tokenUtxos: ${JSON.stringify(tokenUtxos, null, 2)}`)
// Ensure there is only one class of token in the wallet. Throw an error if
// there is more than one.
const tokenId = tokenUtxos[0].tokenId
const otherTokens = tokenUtxos.filter((x) => x.tokenId !== tokenId)
if (otherTokens.length > 0) {
throw new Error(
'Multiple token classes detected. This function only supports a single class of token.'
)
}
// instance of transaction builder
let transactionBuilder
if (options.testnet) {
transactionBuilder = new _this.bchjs.TransactionBuilder('testnet')
} else transactionBuilder = new _this.bchjs.TransactionBuilder()
// Combine all the UTXOs into a single array.
const allUtxos = utxos
// console.log(`allUtxos: ${JSON.stringify(allUtxos, null, 2)}`)
// Loop through all UTXOs.
let originalAmount = 0
for (let i = 0; i < allUtxos.length; i++) {
const utxo = allUtxos[i]
originalAmount = originalAmount + utxo.value
transactionBuilder.addInput(utxo.tx_hash, utxo.tx_pos)
}
if (originalAmount < 300) {
throw new Error(
'Not enough BCH to send. Send more BCH to the wallet to pay miner fees.'
)
}
// get byte count to calculate fee. paying 1 sat
// Note: This may not be totally accurate. Just guessing on the byteCount size.
// const byteCount = this.BITBOX.BitcoinCash.getByteCount(
// { P2PKH: 3 },
// { P2PKH: 5 }
// )
// //console.log(`byteCount: ${byteCount}`)
// const satoshisPerByte = 1.1
// const txFee = Math.floor(satoshisPerByte * byteCount)
// console.log(`txFee: ${txFee} satoshis\n`)
const txFee = 500
// amount to send back to the sending address. It's the original amount - 1 sat/byte for tx size
const remainder = originalAmount - txFee - 546
if (remainder < 1) {
throw new Error('Selected UTXO does not have enough satoshis')
}
// console.log(`remainder: ${remainder}`)
// Tally up the quantity of tokens
let tokenQty = 0
for (let i = 0; i < tokenUtxos.length; i++) {
tokenQty += tokenUtxos[i].tokenQty
}
// console.log(`tokenQty: ${tokenQty}`)
// Generate the OP_RETURN entry for an SLP SEND transaction.
// console.log(`Generating op-return.`)
const {
script,
outputs
} = _this.bchjs.SLP.TokenType1.generateSendOpReturn(tokenUtxos, tokenQty)
// console.log(`token outputs: ${outputs}`)
// Since we are sweeping all tokens from the WIF, there generateOpReturn()
// function should only compute 1 token output. If it returns 2, then there
// is something unexpected happening.
if (outputs > 1) {
throw new Error(
'More than one class of token detected. Sweep feature not supported.'
)
}
// Add OP_RETURN as first output.
const data = _this.bchjs.Script.encode(script)
transactionBuilder.addOutput(data, 0)
// Send dust transaction representing tokens being sent.
transactionBuilder.addOutput(
_this.bchjs.Address.toLegacyAddress(toAddr),
546
)
// Last output: send remaining BCH
transactionBuilder.addOutput(
_this.bchjs.Address.toLegacyAddress(toAddr),
remainder
)
// console.log(`utxo: ${JSON.stringify(utxo, null, 2)}`)
// Sign each UTXO being consumed.
let redeemScript
for (let i = 0; i < allUtxos.length; i++) {
const thisUtxo = allUtxos[i]
// console.log(`thisUtxo: ${JSON.stringify(thisUtxo, null, 2)}`)
transactionBuilder.sign(
i,
ecPair,
redeemScript,
transactionBuilder.hashTypes.SIGHASH_ALL,
thisUtxo.value
)
}
// build tx
const tx = transactionBuilder.build()
// output rawhex
const hex = tx.toHex()
// console.log(`Transaction raw hex: `)
// console.log(hex)
return hex
} catch (err) {
wlogger.error('Error in util.js/sweepBCH().')
throw err
}
}
}
module.exports = UtilRoute
+82
View File
@@ -0,0 +1,82 @@
/*
xpub route
*/
'use strict'
const express = require('express')
const RouteUtils = require('../../util/route-utils')
const routeUtils = new RouteUtils()
const wlogger = require('../../util/winston-logging')
// const router = express.Router()
const router = express.Router()
// Used for processing error messages before sending them to the user.
const util = require('util')
util.inspect.defaultOptions = { depth: 1 }
const BCHJS = require('@psf/bch-js')
const bchjs = new BCHJS()
// Connect the route endpoints to their handler functions.
router.get('/', root)
router.get('/fromXPub/:xpub', fromXPubSingle)
// Root API endpoint. Simply acknowledges that it exists.
function root (req, res, next) {
return res.json({ status: 'address' })
}
async function fromXPubSingle (req, res, next) {
try {
const xpub = req.params.xpub
const hdPath = req.query.hdPath ? req.query.hdPath : '0'
if (!xpub || xpub === '') {
res.status(400)
return res.json({ error: 'xpub can not be empty' })
}
// Reject if xpub is an array.
if (Array.isArray(xpub)) {
res.status(400)
return res.json({
error: 'xpub can not be an array. Use POST for bulk upload.'
})
}
wlogger.debug('Executing address/fromXPub with this xpub: ', xpub)
const cashAddr = bchjs.Address.fromXPub(xpub, hdPath)
const legacyAddr = bchjs.Address.toLegacyAddress(cashAddr)
res.status(200)
return res.json({
cashAddress: cashAddr,
legacyAddress: legacyAddr
})
} catch (err) {
// Attempt to decode the error message.
const { msg, status } = routeUtils.decodeError(err)
if (msg) {
res.status(status)
return res.json({ error: msg })
}
// Write out error to error log.
wlogger.error('Error in address.ts/fromXPubSingle().', err)
res.status(500)
return res.json({ error: util.inspect(err) })
}
}
module.exports = {
router,
testableComponents: {
root,
fromXPubSingle
}
}