183 lines
4.2 KiB
JavaScript
183 lines
4.2 KiB
JavaScript
import request from './request'
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const HEADER_BLACKLIST = ['content-type']
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export default class Connection {
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constructor(path, headers = {}) {
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this.path = path
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this.headers = Object.assign({}, headers)
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Object.keys(headers).forEach(header => {
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if (HEADER_BLACKLIST.includes(header.toLowerCase())) {
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throw new Error(`Header ${header} is reserved and cannot be set.`)
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}
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})
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}
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getApiUrls(endpoint) {
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return this.path + {
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'blocks': 'blocks',
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'blocksDetail': 'blocks/%(blockId)s',
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'outputs': 'outputs',
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'statuses': 'statuses',
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'transactions': 'transactions',
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'transactionsDetail': 'transactions/%(transactionId)s',
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'assets': 'assets',
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'votes': 'votes'
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}[endpoint]
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}
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_req(path, options = {}) {
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// NOTE: `options.headers` could be undefined, but that's OK.
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options.headers = Object.assign({}, options.headers, this.headers)
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return request(path, options)
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}
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/**
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* @public
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* @param blockId
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*/
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getBlock(blockId) {
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return this._req(this.getApiUrls('blocksDetail'), {
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urlTemplateSpec: {
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blockId
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}
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})
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}
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/**
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* @public
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* @param transactionId
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*/
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getStatus(transactionId) {
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return this._req(this.getApiUrls('statuses'), {
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query: {
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transaction_id: transactionId
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}
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})
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}
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/**
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* @public
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* @param transactionId
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*/
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getTransaction(transactionId) {
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return this._req(this.getApiUrls('transactionsDetail'), {
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urlTemplateSpec: {
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transactionId
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}
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})
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}
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/**
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* @public
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* @param transactionId
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* @param status
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*/
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listBlocks(transactionId, status) {
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return this._req(this.getApiUrls('blocks'), {
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query: {
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transaction_id: transactionId,
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status
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}
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})
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}
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/**
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* @public
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* @param publicKey
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* @param spent
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*/
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listOutputs(publicKey, spent) {
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const query = {
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public_key: publicKey
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}
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// NOTE: If `spent` is not defined, it must not be included in the
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// query parameters.
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if (spent !== undefined) {
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query.spent = spent.toString()
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}
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return this._req(this.getApiUrls('outputs'), {
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query
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})
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}
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/**
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* @public
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* @param assetId
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* @param operation
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*/
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listTransactions(assetId, operation) {
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return this._req(this.getApiUrls('transactions'), {
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query: {
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asset_id: assetId,
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operation
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}
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})
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}
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/**
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* @public
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* @param blockId
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*/
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listVotes(blockId) {
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return this._req(this.getApiUrls('votes'), {
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query: {
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block_id: blockId
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}
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})
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}
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/**
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* @public
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* @param txId
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* @return {Promise}
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*/
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pollStatusAndFetchTransaction(txId) {
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return new Promise((resolve, reject) => {
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const timer = setInterval(() => {
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this.getStatus(txId)
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.then((res) => {
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if (res.status === 'valid') {
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clearInterval(timer)
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this.getTransaction(txId)
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.then((res_) => {
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resolve(res_)
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})
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}
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})
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.catch((err) => {
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clearInterval(timer)
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reject(err)
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})
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}, 500)
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})
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}
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/**
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* @public
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* @param transaction
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*/
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postTransaction(transaction) {
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return this._req(this.getApiUrls('transactions'), {
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method: 'POST',
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jsonBody: transaction
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})
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}
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/**
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* @public
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* @param search
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*/
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searchAssets(search) {
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return this._req(this.getApiUrls('assets'), {
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query: {
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search
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}
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})
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}
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}
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