mirror of
https://github.com/fullstack-cash/bch-api.git
synced 2026-09-21 16:52:04 -07:00
feat(endpoint): Added getTokenData() method to bch-api
This commit is contained in:
Daniel Gonzalez
Generated
+2
-2
@@ -1,12 +1,12 @@
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{
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"name": "bch-api",
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"version": "1.16.0",
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"version": "2.0.0",
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"lockfileVersion": 2,
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"requires": true,
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"packages": {
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"": {
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"name": "bch-api",
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"version": "1.16.0",
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"version": "2.0.0",
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"license": "MIT",
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"dependencies": {
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"@psf/bch-js": "^4.20.7",
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@@ -35,6 +35,7 @@ class PsfSlpIndexer {
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this.router.post('/address', this.getAddress)
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this.router.post('/txid', this.getTxid)
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this.router.post('/token', this.getTokenStats)
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this.router.post('/token/data', this.getTokenData)
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_this = this
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}
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@@ -224,6 +225,176 @@ class PsfSlpIndexer {
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}
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}
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async getTokenData (req, res, next) {
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try {
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// Verify env var is set for interacting with the indexer.
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_this.checkEnvVar()
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const tokenData = {}
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const tokenId = req.body.tokenId
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if (!tokenId || tokenId === '') {
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res.status(400)
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return res.json({
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success: false,
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error: 'tokenId can not be empty'
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})
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}
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// get token stats
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const withTxHistory = false
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const response = await _this.axios.post(
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`${_this.psfSlpIndexerApi}slp/token/`,
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{ tokenId, withTxHistory }
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)
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// console.log('response', response.data)
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const tokenStats = response.data.tokenData
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tokenData.genesisData = tokenStats
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// try to get immutable data
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try {
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const immutableData = await _this.getCIDData(tokenStats.documentUri)
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tokenData.immutableData = immutableData
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} catch (error) {
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tokenData.immutableData = ''
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}
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// try to get mutable data
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try {
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const mutableData = await _this.getMutableData(tokenStats.documentHash)
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tokenData.mutableData = mutableData
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} catch (error) {
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tokenData.mutableData = ''
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}
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res.status(200)
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return res.json(tokenData)
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} catch (err) {
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return _this.errorHandler(err, res)
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}
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}
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// Retrieves the mutable data associated with a token document hash.
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async getMutableData (documentHash) {
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try {
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if (!documentHash || typeof documentHash !== 'string') {
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throw new Error(
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'documentHash string required when calling mutableData().'
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)
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}
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// Gets the OP_RETURN data and decodes it
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const mutableData = await _this.decodeOpReturn(documentHash)
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const jsonData = JSON.parse(mutableData)
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const mspAddress = jsonData.mspAddress
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// Gets the mspAddress transactions
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const transactions = await _this.bchjs.Electrumx.transactions(mspAddress)
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const mspTxs = transactions.transactions
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// console.log(`mspTxs: ${JSON.stringify(mspTxs, null, 2)}`)
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let data = false
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// Maps each transaction of the mspAddress
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// if finds an OP_RETURN decode is and closes the loop
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// Start with the newest TXID entry and scan the history to find the first
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// entry with an IPFS CID.
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for (let i = mspTxs.length - 1; i > -1; i--) {
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const tx = mspTxs[i]
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const txid = tx.tx_hash
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console.log(`Retrieving and decoding txid ${txid}`)
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data = await _this.decodeOpReturn(txid)
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// console.log('data: ', data)
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// Try parse the OP_RETURN data to a JSON object.
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if (data) {
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try {
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// console.log('Mutable Data : ', data)
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// Convert the OP_RETURN data to a JSON object.
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const obj = JSON.parse(data)
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console.log(`obj: ${JSON.stringify(obj, null, 2)}`)
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// Keep searching if this TX does not have a cid value.
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if (!obj.cid) continue
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// TODO: Ensure data was generated by the MSP address and not an
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// update from a different address.
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break
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} catch (error) {
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continue
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}
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}
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}
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if (!data) {
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console.log('Mutable Data Not found ')
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}
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// Get the CID:
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const obj = JSON.parse(data)
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const cid = obj.cid
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if (!cid) {
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throw new Error('CID could not be found in OP_RETURN data')
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}
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const result = await _this.getCIDData(cid)
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// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
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return result
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} catch (err) {
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console.log('Error in getMutableData().')
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throw err
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}
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}
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// Decodes the OP_RETURN of a transaction if this exists
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async decodeOpReturn (txid) {
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try {
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if (!txid || typeof txid !== 'string') {
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throw new Error('txid must be a string.')
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}
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// get transaction data
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const txData = await _this.bchjs.Electrumx.txData(txid)
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let data = false
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// Maps the vout of the transaction in search of an OP_RETURN
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for (let i = 0; i < txData.details.vout.length; i++) {
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const vout = txData.details.vout[i]
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const script = _this.bchjs.Script.toASM(
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Buffer.from(vout.scriptPubKey.hex, 'hex')
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).split(' ')
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if (script[0] === 'OP_RETURN') {
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data = Buffer.from(script[1], 'hex').toString('ascii')
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break
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}
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}
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return data
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} catch (error) {
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console.log('Error in decodeOpReturn().')
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throw error
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}
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}
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async getCIDData (cid) {
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try {
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if (!cid || typeof cid !== 'string') {
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throw new Error('cid must be a string.')
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}
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const dataUrl = `https://${cid}.ipfs.dweb.link/data.json`
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const response = await _this.axios.get(dataUrl)
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// console.log(`response.data: ${JSON.stringify(response.data, null, 2)}`)
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return response.data
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} catch (error) {
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console.log('Error in getCIDData().')
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throw error
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}
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}
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// Check the the environment variable is set correctly.
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checkEnvVar () {
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_this.psfSlpIndexerApi = process.env.SLP_INDEXER_API
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@@ -114,6 +114,30 @@ const balance = {
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]
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}
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}
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const transactions = {
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success: true,
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transactions: [
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{
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height: 734439,
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tx_hash: '0bd2a8a72108659cd39a59bde89c45fff7d51c334531f036b1e102ab4b62f33f'
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},
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{
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height: 734441,
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tx_hash: '4f2837b7fff325c0442b550863de3470e016df234561d9151cbb6949fe43ac17'
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},
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{
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height: 735564,
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tx_hash: '1bfa83355839c0ef0f974463415fa983466e0286d7bcdfdd825f244e357ad1e5'
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},
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{
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height: 735564,
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tx_hash: '6eba09627175af4b50ac75fa8b3a15a9015df8a19b5b28a992f26044f4fd8891'
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},
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{
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height: 735564,
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tx_hash: 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
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}]
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}
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const status = {
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status: {
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@@ -122,9 +146,26 @@ const status = {
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chainBlockHeight: 722679
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}
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}
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const immutableData = {
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payloadCid: 'QmY3EaRaUcc5bNuqDfc7TaeNPThBGUefbqJeJVDjCqxqFZ',
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about: 'This is a placeholder'
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}
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const mutableData = {
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tokenIcon: 'https://gateway.ipfs.io/ipfs/bafybeiehitanirn5gmhqjg44xrmdtomn4n5lu5yjoepsvgpswk5mggaw6i/LP_logo-1.png',
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about: 'Mutable data managed with npm package: https://www.npmjs.com/package/slp-mutable-data'
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}
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const decodedOpReturn = JSON.stringify({
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mspAdddress: 'bitcoincash:qrg77j4jf2pl7azgvzrz2z567ls464gkuuhplt30dp',
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cid: 'bafybeie6t5uyupddc7azms737xg4hxrj7i5t5ov3lb5g2qeehaujj6ak64'
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})
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module.exports = {
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tokenStats,
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txData,
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balance,
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status
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status,
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transactions,
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immutableData,
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mutableData,
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decodedOpReturn
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}
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@@ -505,4 +505,340 @@ describe('#PsfSlpIndexer', () => {
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process.env.SLP_INDEXER_API = savedSlpIndexerUrl
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})
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})
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describe('#getCIDData', () => {
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it('should throw errors if cid is not provided', async () => {
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try {
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await uut.getCIDData()
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assert.fail('unexpected code path')
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} catch (error) {
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assert.include(
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error.message,
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'cid must be a string.',
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'Error message expected'
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)
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}
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})
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it('should handle axios error', async () => {
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try {
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sandbox.stub(uut.axios, 'get').throws(new Error('test error'))
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const cid = 'bafybeigp3bfmj6woms7pywb7s7r6npcdudvsabvzne2chyspxtdendrwmy'
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await uut.getCIDData(cid)
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assert.fail('unexpected code path')
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} catch (error) {
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assert.include(
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error.message,
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'test error',
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'Error message expected'
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)
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}
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})
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it('should return cid object data', async () => {
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sandbox.stub(uut.axios, 'get').resolves({ data: mockData.immutableData })
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const cid = 'bafybeigp3bfmj6woms7pywb7s7r6npcdudvsabvzne2chyspxtdendrwmy'
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const result = await uut.getCIDData(cid)
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assert.isObject(result)
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})
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})
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describe('#decodeOpReturn', () => {
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it('should throw errors if txid is not provided', async () => {
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try {
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await uut.decodeOpReturn()
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assert.fail('unexpected code path')
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} catch (error) {
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assert.include(
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error.message,
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'txid must be a string.',
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'Error message expected'
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)
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}
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})
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it('should handle bchjs error', async () => {
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try {
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sandbox.stub(uut.bchjs.Electrumx, 'txData').throws(new Error('test error'))
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const txid = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
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await uut.decodeOpReturn(txid)
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assert.fail('unexpected code path')
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} catch (error) {
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assert.include(
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error.message,
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'test error',
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'Error message expected'
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)
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}
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})
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it('should return data', async () => {
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sandbox.stub(uut.bchjs.Electrumx, 'txData').resolves({ details: mockData.txData.txData })
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const txid = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
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const result = await uut.decodeOpReturn(txid)
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assert.isString(result)
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})
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it('should return false if data is not found', async () => {
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sandbox.stub(uut.bchjs.Electrumx, 'txData').resolves({ details: { vout: [] } })
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const txid = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
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const result = await uut.decodeOpReturn(txid)
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assert.isFalse(result)
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})
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})
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describe('#getTokenData', async () => {
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it('should throw 400 error if tokenId is missing', async () => {
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const result = await uut.getTokenData(req, res)
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// console.log(`result: ${util.inspect(result)}`)
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assert.hasAllKeys(result, ['error', 'success'])
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assert.isFalse(result.success)
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assert.include(result.error, 'tokenId can not be empty')
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})
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it('should throw 503 when network issues', async () => {
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req.body.tokenId =
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'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
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// Save the existing RPC URL.
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const savedUrl2 = process.env.SLP_INDEXER_API
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// Manipulate the URL to cause a 500 network error.
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process.env.SLP_INDEXER_API = 'http://fakeurl/api/'
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await uut.getTokenData(req, res)
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// console.log(`result: ${util.inspect(result)}`)
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// Restore the saved URL.
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process.env.SLP_INDEXER_API = savedUrl2
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assert.isAbove(
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res.statusCode,
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499,
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'HTTP status code 500 or greater expected.'
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)
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// assert.include(result.error,"Network error: Could not communicate with full node","Error message expected")
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})
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it('returns proper error when downstream service stalls', async () => {
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req.body.tokenId =
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'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
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// Mock the timeout error.
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sandbox.stub(uut.axios, 'post').throws({ code: 'ECONNABORTED' })
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const result = await uut.getTokenData(req, res)
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// console.log(`result: ${JSON.stringify(result, null, 2)}`)
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assert.isAbove(res.statusCode, 499, 'HTTP status code 503 expected.')
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assert.include(
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result.error,
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'Could not communicate with full node',
|
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'Error message expected'
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)
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})
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it('returns proper error when downstream service is down', async () => {
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req.body.tokenId =
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'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
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// Mock the timeout error.
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sandbox.stub(uut.axios, 'post').throws({ code: 'ECONNREFUSED' })
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const result = await uut.getTokenData(req, res)
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// console.log(`result: ${JSON.stringify(result, null, 2)}`)
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assert.isAbove(res.statusCode, 499, 'HTTP status code 503 expected.')
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assert.include(
|
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result.error,
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'Could not communicate with full node',
|
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'Error message expected'
|
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)
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})
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it('should GET tokens data', async function () {
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req.body.tokenId =
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'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
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// Mock the RPC call for unit tests.
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if (process.env.TEST === 'unit') {
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sandbox.stub(uut.axios, 'post').resolves({ data: mockData.tokenStats })
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sandbox.stub(uut, 'getCIDData').resolves(mockData.immutableData)
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sandbox.stub(uut, 'getMutableData').resolves(mockData.mutableData)
|
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} else {
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return this.skip()
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}
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const result = await uut.getTokenData(req, res)
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assert.property(result, 'genesisData')
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assert.property(result, 'immutableData')
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assert.property(result, 'mutableData')
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assert.isObject(result.genesisData)
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assert.isObject(result.immutableData)
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assert.isObject(result.mutableData)
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const genesisData = result.genesisData
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assert.property(genesisData, 'ticker')
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assert.property(genesisData, 'name')
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assert.property(genesisData, 'type')
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assert.property(genesisData, 'tokenId')
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assert.property(genesisData, 'documentUri')
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assert.property(genesisData, 'documentHash')
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assert.property(genesisData, 'decimals')
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assert.property(genesisData, 'mintBatonIsActive')
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assert.property(genesisData, 'tokensInCirculationBN')
|
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assert.property(genesisData, 'tokensInCirculationStr')
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assert.property(genesisData, 'blockCreated')
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assert.property(genesisData, 'totalBurned')
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assert.property(genesisData, 'totalMinted')
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assert.property(genesisData, 'txs')
|
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})
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it('should GET tokens data if immutableData data not found', async function () {
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req.body.tokenId =
|
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'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
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||||
// Mock the RPC call for unit tests.
|
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if (process.env.TEST === 'unit') {
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sandbox.stub(uut.axios, 'post').resolves({ data: mockData.tokenStats })
|
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sandbox.stub(uut, 'getCIDData').throws(new Error('test error'))
|
||||
sandbox.stub(uut, 'getMutableData').resolves(mockData.mutableData)
|
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} else {
|
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return this.skip()
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||||
}
|
||||
|
||||
const result = await uut.getTokenData(req, res)
|
||||
assert.property(result, 'genesisData')
|
||||
assert.property(result, 'immutableData')
|
||||
assert.property(result, 'mutableData')
|
||||
|
||||
assert.isObject(result.genesisData)
|
||||
assert.isObject(result.mutableData)
|
||||
assert.equal(result.immutableData, '')
|
||||
|
||||
const genesisData = result.genesisData
|
||||
assert.property(genesisData, 'ticker')
|
||||
assert.property(genesisData, 'name')
|
||||
assert.property(genesisData, 'type')
|
||||
assert.property(genesisData, 'tokenId')
|
||||
assert.property(genesisData, 'documentUri')
|
||||
assert.property(genesisData, 'documentHash')
|
||||
assert.property(genesisData, 'decimals')
|
||||
assert.property(genesisData, 'mintBatonIsActive')
|
||||
assert.property(genesisData, 'tokensInCirculationBN')
|
||||
assert.property(genesisData, 'tokensInCirculationStr')
|
||||
assert.property(genesisData, 'blockCreated')
|
||||
assert.property(genesisData, 'totalBurned')
|
||||
assert.property(genesisData, 'totalMinted')
|
||||
assert.property(genesisData, 'txs')
|
||||
})
|
||||
it('should GET tokens data if mutable data not found', async function () {
|
||||
req.body.tokenId =
|
||||
'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
|
||||
// Mock the RPC call for unit tests.
|
||||
if (process.env.TEST === 'unit') {
|
||||
sandbox.stub(uut.axios, 'post').resolves({ data: mockData.tokenStats })
|
||||
sandbox.stub(uut, 'getCIDData').resolves(mockData.immutableData)
|
||||
sandbox.stub(uut, 'getMutableData').throws(new Error('test error'))
|
||||
} else {
|
||||
return this.skip()
|
||||
}
|
||||
|
||||
const result = await uut.getTokenData(req, res)
|
||||
assert.property(result, 'genesisData')
|
||||
assert.property(result, 'immutableData')
|
||||
assert.property(result, 'mutableData')
|
||||
|
||||
assert.isObject(result.genesisData)
|
||||
assert.isObject(result.immutableData)
|
||||
assert.equal(result.mutableData, '')
|
||||
|
||||
const genesisData = result.genesisData
|
||||
assert.property(genesisData, 'ticker')
|
||||
assert.property(genesisData, 'name')
|
||||
assert.property(genesisData, 'type')
|
||||
assert.property(genesisData, 'tokenId')
|
||||
assert.property(genesisData, 'documentUri')
|
||||
assert.property(genesisData, 'documentHash')
|
||||
assert.property(genesisData, 'decimals')
|
||||
assert.property(genesisData, 'mintBatonIsActive')
|
||||
assert.property(genesisData, 'tokensInCirculationBN')
|
||||
assert.property(genesisData, 'tokensInCirculationStr')
|
||||
assert.property(genesisData, 'blockCreated')
|
||||
assert.property(genesisData, 'totalBurned')
|
||||
assert.property(genesisData, 'totalMinted')
|
||||
assert.property(genesisData, 'txs')
|
||||
})
|
||||
})
|
||||
describe('#getMutableData', () => {
|
||||
it('should throw errors if documentHash is not provided', async () => {
|
||||
try {
|
||||
await uut.getMutableData()
|
||||
assert.fail('unexpected code path')
|
||||
} catch (error) {
|
||||
assert.include(
|
||||
error.message,
|
||||
'documentHash string required when calling mutableData().',
|
||||
'Error message expected'
|
||||
)
|
||||
}
|
||||
})
|
||||
it('should throw errors if cid is not provided in OP Return', async () => {
|
||||
try {
|
||||
sandbox.stub(uut, 'decodeOpReturn').resolves('{}')
|
||||
sandbox.stub(uut.bchjs.Electrumx, 'transactions').resolves(mockData.transactions)
|
||||
sandbox.stub(uut, 'getCIDData').resolves(mockData.mutableData)
|
||||
|
||||
const documentHash = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
|
||||
await uut.getMutableData(documentHash)
|
||||
assert.fail('unexpected code path')
|
||||
} catch (error) {
|
||||
assert.include(
|
||||
error.message,
|
||||
'CID could not be found in OP_RETURN data',
|
||||
'Error message expected'
|
||||
)
|
||||
}
|
||||
})
|
||||
|
||||
it('should throw errors if data is not found', async () => {
|
||||
try {
|
||||
sandbox.stub(uut, 'decodeOpReturn').resolves(mockData.decodedOpReturn)
|
||||
sandbox.stub(uut.bchjs.Electrumx, 'transactions').resolves({ transactions: [] })
|
||||
sandbox.stub(uut, 'getCIDData').resolves(mockData.mutableData)
|
||||
|
||||
const documentHash = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
|
||||
await uut.getMutableData(documentHash)
|
||||
assert.fail('unexpected code path')
|
||||
} catch (error) {
|
||||
assert.include(
|
||||
error.message,
|
||||
'CID could not be found in OP_RETURN data',
|
||||
'Error message expected'
|
||||
)
|
||||
}
|
||||
})
|
||||
it('should handle bchjs error', async () => {
|
||||
try {
|
||||
sandbox.stub(uut, 'decodeOpReturn').resolves(mockData.decodedOpReturn)
|
||||
sandbox.stub(uut.bchjs.Electrumx, 'transactions').throws(new Error('test error'))
|
||||
|
||||
const documentHash = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
|
||||
await uut.getMutableData(documentHash)
|
||||
assert.fail('unexpected code path')
|
||||
} catch (error) {
|
||||
assert.include(
|
||||
error.message,
|
||||
'test error',
|
||||
'Error message expected'
|
||||
)
|
||||
}
|
||||
})
|
||||
it('should return mutable data', async () => {
|
||||
sandbox.stub(uut, 'decodeOpReturn')
|
||||
.onFirstCall().resolves(mockData.decodedOpReturn)
|
||||
.onSecondCall().resolves(JSON.parse(mockData.decodedOpReturn)) // data to force an error while parsing the JSON
|
||||
.onThirdCall().resolves(mockData.decodedOpReturn)
|
||||
|
||||
sandbox.stub(uut.bchjs.Electrumx, 'transactions').resolves(mockData.transactions)
|
||||
sandbox.stub(uut, 'getCIDData').resolves(mockData.mutableData)
|
||||
|
||||
const documentHash = 'c37ba29f40ecc61662ea56324fdb72a5f1e66add2078854c2144765b9030358a'
|
||||
|
||||
const result = await uut.getMutableData(documentHash)
|
||||
assert.isObject(result)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
Reference in New Issue
Block a user