mirror of
https://github.com/fullstack-cash/bch-api.git
synced 2026-09-22 01:02:05 -07:00
refactor(blockchain.js): refactoring blockchain.js library [WIP]
This commit is contained in:
danielhumgon
@@ -34,6 +34,21 @@ class Blockchain {
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this.router.get("/", this.root)
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this.router.get("/getBestBlockHash", this.getBestBlockHash)
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this.router.get("/getBlockchainInfo", this.getBlockchainInfo)
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this.router.get("/getBlockCount", this.getBlockCount)
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this.router.get("/getBlockHeader/:hash", this.getBlockHeaderSingle)
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this.router.post("/getBlockHeader", getBlockHeaderBulk)
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this.router.get("/getChainTips", getChainTips)
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this.router.get("/getDifficulty", getDifficulty)
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this.router.get("/getMempoolEntry/:txid", getMempoolEntrySingle)
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this.router.post("/getMempoolEntry", getMempoolEntryBulk)
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this.router.get("/getMempoolAncestors/:txid", getMempoolAncestorsSingle)
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this.router.get("/getMempoolInfo", getMempoolInfo)
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this.router.get("/getRawMempool", getRawMempool)
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this.router.get("/getTxOut/:txid/:n", getTxOut)
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this.router.get("/getTxOutProof/:txid", getTxOutProofSingle)
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this.router.post("/getTxOutProof", getTxOutProofBulk)
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this.router.get("/verifyTxOutProof/:proof", verifyTxOutProofSingle)
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this.router.post("/verifyTxOutProof", verifyTxOutProofBulk)
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}
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root(req, res, next) {
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@@ -128,6 +143,739 @@ class Blockchain {
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {get} /blockchain/getBlockCount Get Block Count
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* @apiName GetBlockCount
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* @apiGroup Blockchain
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* @apiDescription Returns the number of blocks in the longest blockchain.
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*
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* @apiExample Example usage:
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getBlockCount" -H "accept: application/json"
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*
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* @apiSuccess {Number} bestBlockCount 587665
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*/
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async getBlockCount(req, res, next) {
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try {
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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options.data.id = "getblockcount"
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options.data.method = "getblockcount"
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options.data.params = []
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const response = await this.axios.request(options)
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return res.json(response.data.result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getBlockCount().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {get} /blockchain/getBlockHeader/:hash Get single block header
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* @apiName GetSingleBlockHeader
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* @apiGroup Blockchain
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* @apiDescription If verbose is false (default), returns a string that is
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* serialized, hex-encoded data for blockheader 'hash'. If verbose is true,
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* returns an Object with information about blockheader hash.
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*
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* @apiExample Example usage:
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getBlockHeader/000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201?verbose=true" -H "accept: application/json"
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*
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* @apiParam {String} hash block hash
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* @apiParam {Boolean} verbose Return verbose data
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*
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* @apiSuccess {Object} object Object containing data
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* @apiSuccess {String} object.hash "000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201"
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* @apiSuccess {Number} object.confirmations 61839
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* @apiSuccess {Number} object.height 500000
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* @apiSuccess {Number} object.version 536870912
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* @apiSuccess {String} object.versionHex "20000000"
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* @apiSuccess {String} object.merkleroot "4af279645e1b337e655ae3286fc2ca09f58eb01efa6ab27adedd1e9e6ec19091"
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* @apiSuccess {Number} object.time 1509343584
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* @apiSuccess {Number} object.mediantime 1509336533
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* @apiSuccess {Number} object.nonce 3604508752
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* @apiSuccess {String} object.bits "1809b91a"
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* @apiSuccess {Number} object.difficulty 113081236211.4533
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* @apiSuccess {String} object.chainwork "0000000000000000000000000000000000000000007ae48aca46e3b449ad9714"
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* @apiSuccess {String} object.previousblockhash "0000000000000000043831d6ebb013716f0580287ee5e5687e27d0ed72e6e523"
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* @apiSuccess {String} object.nextblockhash "00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3"
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*/
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async getBlockHeaderSingle(req, res, next) {
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try {
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let verbose = false
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if (req.query.verbose && req.query.verbose.toString() === "true")
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verbose = true
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const hash = req.params.hash
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if (!hash || hash === "") {
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res.status(400)
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return res.json({ error: "hash can not be empty" })
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}
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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options.data.id = "getblockheader"
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options.data.method = "getblockheader"
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options.data.params = [hash, verbose]
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const response = await this.axios.request(options)
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return res.json(response.data.result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getBlockHeaderSingle().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {post} /blockchain/getBlockHeader Get multiple block headers
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* @apiName GetBulkBlockHeader
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* @apiGroup Blockchain
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* @apiDescription If verbose is false (default), returns a string that is
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* serialized, hex-encoded data for blockheader 'hash'. If verbose is true,
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* returns an Object with information about blockheader hash.
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*
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* @apiExample Example usage:
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* curl -X POST "https://rest.bitcoin.com/v3/blockchain/getBlockHeader" -H "accept: application/json" -H "Content-Type: application/json" -d "{\"hashes\":[\"000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201\",\"00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3\"],\"verbose\":true}"
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*
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* @apiParam {String} hash block hash
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* @apiParam {Boolean} verbose Return verbose data
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*
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* @apiSuccess {Array} array array containing objects
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* @apiSuccess {String} object.hash "000000000000000005e14d3f9fdfb70745308706615cfa9edca4f4558332b201"
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* @apiSuccess {Number} object.confirmations 61839
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* @apiSuccess {Number} object.height 500000
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* @apiSuccess {Number} object.version 536870912
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* @apiSuccess {String} object.versionHex "20000000"
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* @apiSuccess {String} object.merkleroot "4af279645e1b337e655ae3286fc2ca09f58eb01efa6ab27adedd1e9e6ec19091"
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* @apiSuccess {Number} object.time 1509343584
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* @apiSuccess {Number} object.mediantime 1509336533
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* @apiSuccess {Number} object.nonce 3604508752
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* @apiSuccess {String} object.bits "1809b91a"
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* @apiSuccess {Number} object.difficulty 113081236211.4533
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* @apiSuccess {String} object.chainwork "0000000000000000000000000000000000000000007ae48aca46e3b449ad9714"
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* @apiSuccess {String} object.previousblockhash "0000000000000000043831d6ebb013716f0580287ee5e5687e27d0ed72e6e523"
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* @apiSuccess {String} object.nextblockhash "00000000000000000568f0a96bf4348847bc84e455cbfec389f27311037a20f3"
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*/
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async getBlockHeaderBulk(req, res, next) {
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try {
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const hashes = req.body.hashes
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const verbose = req.body.verbose ? req.body.verbose : false
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if (!Array.isArray(hashes)) {
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res.status(400)
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return res.json({
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error: "hashes needs to be an array. Use GET for single hash."
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})
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}
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// Enforce array size rate limits
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if (!routeUtils.validateArraySize(req, hashes)) {
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res.status(429) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
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return res.json({
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error: `Array too large.`
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})
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}
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wlogger.debug(
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`Executing blockchain/getBlockHeaderBulk with these hashes: `,
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hashes
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)
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// Validate each hash in the array.
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for (let i = 0; i < hashes.length; i++) {
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const hash = hashes[i]
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if (hash.length !== 64) {
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res.status(400)
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return res.json({ error: `This is not a hash: ${hash}` })
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}
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}
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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// Loop through each hash and creates an array of requests to call in parallel
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const promises = hashes.map(async hash => {
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options.data.id = "getblockheader"
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options.data.method = "getblockheader"
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options.data.params = [hash, verbose]
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return await this.axios.request(options)
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})
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const axiosResult = await this.axios.all(promises)
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// Extract the data component from the axios response.
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const result = axiosResult.map(x => x.data.result)
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res.status(200)
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return res.json(result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getBlockHeaderBulk().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {get} /blockchain/getChainTips Get Chain Tips
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* @apiName getChainTips
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* @apiGroup Blockchain
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* @apiDescription Return information about all known tips in the block tree,
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* including the main chain as well as orphaned branches.
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*
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* @apiExample Example usage:
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getChainTips" -H "accept: application/json"
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*
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*/
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async getChainTips(req, res, next) {
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try {
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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options.data.id = "getchaintips"
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options.data.method = "getchaintips"
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options.data.params = []
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const response = await this.axios.request(options)
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return res.json(response.data.result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getChainTips().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {get} /blockchain/getDifficulty Get difficulty
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* @apiName getDifficulty
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* @apiGroup Blockchain
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* @apiDescription Get the current difficulty value, used to regulate mining
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* power on the network.
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*
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* @apiExample Example usage:
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getDifficulty" -H "accept: application/json"
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*
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*/
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async getDifficulty(req, res, next) {
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try {
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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options.data.id = "getdifficulty"
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options.data.method = "getdifficulty"
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options.data.params = []
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const response = await this.axios.request(options)
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return res.json(response.data.result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getDifficulty().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {get} /blockchain/getMempoolEntry/:txid Get single mempool entry
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* @apiName getMempoolEntry
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* @apiGroup Blockchain
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* @apiDescription Returns mempool data for given transaction. TXID must be in
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* mempool (unconfirmed)
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*
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* @apiExample Example usage:
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getMempoolEntry/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33" -H "accept: application/json"
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*
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*/
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async getMempoolEntrySingle(req, res, next) {
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try {
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// Validate input parameter
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const txid = req.params.txid
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if (!txid || txid === "") {
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res.status(400)
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return res.json({ error: "txid can not be empty" })
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}
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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options.data.id = "getmempoolentry"
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options.data.method = "getmempoolentry"
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options.data.params = [txid]
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const response = await this.axios.request(options)
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return res.json(response.data.result)
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} catch (err) {
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// Write out error to error log.
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//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
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wlogger.error(`Error in blockchain.ts/getMempoolEntrySingle().`, err)
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return this.errorHandler(err, res)
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}
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}
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/**
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* @api {post} /blockchain/getMempoolEntry Get bulk mempool entry
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* @apiName getMempoolEntryBulk
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* @apiGroup Blockchain
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* @apiDescription Returns mempool data for multiple transactions
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*
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* @apiExample Example usage:
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* curl -X POST https://mainnet.bchjs.cash/v3/blockchain/getMempoolEntry -H "Content-Type: application/json" -d "{\"txids\":[\"a5f972572ee1753e2fd2457dd61ce5f40fa2f8a30173d417e49feef7542c96a1\",\"5165dc531aad05d1149bb0f0d9b7bda99c73e2f05e314bcfb5b4bb9ca5e1af5e\"]}"
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*/
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async getMempoolEntryBulk(req, res, next) {
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try {
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const txids = req.body.txids
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if (!Array.isArray(txids)) {
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res.status(400)
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return res.json({
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error: "txids needs to be an array. Use GET for single txid."
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})
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}
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// Enforce array size rate limits
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if (!routeUtils.validateArraySize(req, txids)) {
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res.status(429) // https://github.com/Bitcoin-com/rest.bitcoin.com/issues/330
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return res.json({
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error: `Array too large.`
|
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})
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}
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wlogger.debug(
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`Executing blockchain/getMempoolEntry with these txids: `,
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txids
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)
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// Validate each element in the array
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for (let i = 0; i < txids.length; i++) {
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const txid = txids[i]
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if (txid.length !== 64) {
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res.status(400)
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return res.json({ error: "This is not a txid" })
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}
|
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}
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// Axios options
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const options = this.routeUtils.getAxiosOptions()
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// Loop through each txid and creates an array of requests to call in parallel
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const promises = txids.map(async txid => {
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options.data.id = "getmempoolentry"
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options.data.method = "getmempoolentry"
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options.data.params = [txid]
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return await this.axios.request(options)
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})
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const axiosResult = await this.axios.all(promises)
|
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|
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// Extract the data component from the axios response.
|
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const result = axiosResult.map(x => x.data.result)
|
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|
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res.status(200)
|
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return res.json(result)
|
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} catch (err) {
|
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// Write out error to error log.
|
||||
//logger.error(`Error in rawtransactions/decodeRawTransaction: `, err)
|
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wlogger.error(`Error in blockchain.ts/getMempoolEntryBulk().`, err)
|
||||
|
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return this.errorHandler(err, res)
|
||||
}
|
||||
}
|
||||
|
||||
/**
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* @api {get} /blockchain/getMempoolAncestors/:txid Get Mempool Ancestors
|
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* @apiName getMempoolAncestors
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* @apiGroup Blockchain
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* @apiDescription Returns mempool ancestors data for given TXID. It must be in
|
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* mempool (unconfirmed). This call is handy to tell if a UTXO is bumping up
|
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* against the 25 ancestor chain-limit.
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*
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* @apiExample Example usage:
|
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* curl -X GET "https://mainnet.bchjs.cash/v3/blockchain/getMempoolAncestors/fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33" -H "accept: application/json"
|
||||
*
|
||||
*/
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||||
async getMempoolAncestorsSingle(req, res, next) {
|
||||
try {
|
||||
// Validate input parameter
|
||||
const txid = req.params.txid
|
||||
if (!txid || txid === "") {
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||||
res.status(400)
|
||||
return res.json({ error: "txid can not be empty" })
|
||||
}
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||||
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||||
let verbose = req.params.verbose
|
||||
if (verbose === undefined) verbose = false
|
||||
|
||||
// Axios options
|
||||
const options = this.routeUtils.getAxiosOptions()
|
||||
|
||||
options.data.id = "getmempoolancestors"
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||||
options.data.method = "getmempoolancestors"
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||||
options.data.params = [txid, verbose]
|
||||
|
||||
const response = await this.axios.request(requestConfig)
|
||||
// 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://mainnet.bchjs.cash/v3/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://mainnet.bchjs.cash/v3/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://mainnet.bchjs.cash/v3/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://mainnet.bchjs.cash/v3/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 include_mempool = false
|
||||
if (req.query.include_mempool && req.query.include_mempool === "true")
|
||||
include_mempool = true
|
||||
|
||||
// Axios options
|
||||
const options = this.routeUtils.getAxiosOptions()
|
||||
|
||||
options.data.id = "gettxout"
|
||||
options.data.method = "gettxout"
|
||||
options.data.params = [txid, n, include_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/getTxOut().`, 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://mainnet.bchjs.cash/v3/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(429) // https://github.com/Bitcoin-com/rest.bitcoin.com/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 await 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(429) // https://github.com/Bitcoin-com/rest.bitcoin.com/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 await 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)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = Blockchain
|
||||
|
||||
Reference in New Issue
Block a user