wallet-storage

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/services/Services.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../index.html">All files</a> / <a href="index.html">src/services</a> Services.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 73.86% Statements 147/199 </div> <div class='fl pad1y space-right2'> 52.83% Branches 28/53 </div> <div class='fl pad1y space-right2'> 72.22% Functions 26/36 </div> <div class='fl pad1y space-right2'> 73.36% Lines 135/184 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a 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3x                                                 12x     12x   12x 12x 12x 12x 8x   8x   8x 8x 8x 8x         4x   4x   4x   12x       9x   9x 9x 9x 8x   1x 1x 1x             4x 4x 3x   3x   4x       2x 2x   2x       3x 3x 3x   3x   3x         5x     5x   5x 5x 5x 5x   3x 3x 3x 3x 3x 2x   1x   2x   5x     71x       2x 2x 2x   2x 2x         2x       2x 2x 2x 2x 6x 2x 2x                 2x           2x       6x 6x       6x     6x   6x       6x 7x 6x                                   57x 2x 2x           2x             2x 2x       2x                     57x 3x 3x 3x 3x 3x 3x 3x 3x 3x    </td><td class="text"><pre class="prettyprint lang-js">import { Transaction as BsvTransaction, Beef, ChainTracker, Utils } from '@bsv/sdk' import { asArray, asString, doubleSha256BE, sdk, sha256Hash, wait } from '../index.client' import { ServiceCollection } from './ServiceCollection'   import { createDefaultWalletServicesOptions } from './createDefaultWalletServicesOptions' import { ChaintracksChainTracker } from './chaintracker' import { getTaalArcServiceConfig, makePostBeefToTaalARC, makePostTxsToTaalARC } from './providers/arcServices' import { getMerklePathFromWhatsOnChainTsc, getRawTxFromWhatsOnChain, getUtxoStatusFromWhatsOnChain, updateBsvExchangeRate } from './providers/whatsonchain' import { updateChaintracksFiatExchangeRates, updateExchangeratesapi } from './providers/echangeRates'   export class Services implements sdk.WalletServices { static createDefaultOptions(chain: sdk.Chain): sdk.WalletServicesOptions { return createDefaultWalletServicesOptions(chain) }   options: sdk.WalletServicesOptions   getMerklePathServices: ServiceCollection<sdk.GetMerklePathService> getRawTxServices: ServiceCollection<sdk.GetRawTxService> postTxsServices: ServiceCollection<sdk.PostTxsService> postBeefServices: ServiceCollection<sdk.PostBeefService> getUtxoStatusServices: ServiceCollection<sdk.GetUtxoStatusService> updateFiatExchangeRateServices: ServiceCollection<sdk.UpdateFiatExchangeRateService>   chain: sdk.Chain   constructor(optionsOrChain: sdk.Chain | sdk.WalletServicesOptions) { this.chain = (typeof optionsOrChain === 'string') ? optionsOrChain : optionsOrChain.chain   this.options = (typeof optionsOrChain === 'string') ? Services.createDefaultOptions(this.chain) : optionsOrChain   this.getMerklePathServices = new ServiceCollection<sdk.GetMerklePathService>() .add({ name: 'WhatsOnChainTsc', service: getMerklePathFromWhatsOnChainTsc }) //.add({ name: 'Taal', service: makeGetMerklePathFromTaalARC(getTaalArcServiceConfig(this.chain, this.options.taalApiKey!)) })   this.getRawTxServices = new ServiceCollection<sdk.GetRawTxService>() .add({ name: 'WhatsOnChain', service: getRawTxFromWhatsOnChain })   this.postTxsServices = new ServiceCollection<sdk.PostTxsService>() .add({ name: 'TaalArcTxs', service: makePostTxsToTaalARC(getTaalArcServiceConfig(this.chain, this.options.taalApiKey!)) })   this.postBeefServices = new ServiceCollection<sdk.PostBeefService>() .add({ name: 'TaalArcBeef', service: makePostBeefToTaalARC(getTaalArcServiceConfig(this.chain, this.options.taalApiKey!)) })   this.getUtxoStatusServices = new ServiceCollection<sdk.GetUtxoStatusService>() .add({ name: 'WhatsOnChain', service: getUtxoStatusFromWhatsOnChain })   this.updateFiatExchangeRateServices = new ServiceCollection<sdk.UpdateFiatExchangeRateService>() .add({ name: 'ChaintracksService', service: updateChaintracksFiatExchangeRates }) .add({ name: 'exchangeratesapi', service: updateExchangeratesapi }) }   async getChainTracker(): Promise<ChainTracker> { Iif (!this.options.chaintracks) throw new sdk.WERR_INVALID_PARAMETER('options.chaintracks', `valid to enable 'getChainTracker' service.`) return new ChaintracksChainTracker(this.chain, this.options.chaintracks) }   async getBsvExchangeRate(): Promise<number> { this.options.bsvExchangeRate = await updateBsvExchangeRate(this.options.bsvExchangeRate, this.options.bsvUpdateMsecs) return this.options.bsvExchangeRate.rate }   async getFiatExchangeRate(currency: "USD" | "GBP" | "EUR", base?: "USD" | "GBP" | "EUR"): Promise<number> { const rates = await this.updateFiatExchangeRates(this.options.fiatExchangeRates, this.options.fiatUpdateMsecs)   this.options.fiatExchangeRates = rates   base ||= 'USD' const rate = rates.rates[currency] / rates.rates[base]   return rate }   get getProofsCount() { return this.getMerklePathServices.count } get getRawTxsCount() { return this.getRawTxServices.count } get postTxsServicesCount() { return this.postTxsServices.count } get postBeefServicesCount() { return this.postBeefServices.count } get getUtxoStatsCount() { return this.getUtxoStatusServices.count }   async getUtxoStatus(output: string, outputFormat?: sdk.GetUtxoStatusOutputFormat, useNext?: boolean): Promise<sdk.GetUtxoStatusResult> { const services = this.getUtxoStatusServices Iif (useNext) services.next()   let r0: sdk.GetUtxoStatusResult = { name: "<noservices>", status: "error", error: new sdk.WERR_INTERNAL('No services available.'), details: [] }   for (let retry = 0; retry < 2; retry++) { for (let tries = 0; tries < services.count; tries++) { const service = services.service const r = await service(output, this.chain, outputFormat) if (r.status === 'success') { r0 = r break } services.next() } if (r0.status === 'success') break; await wait(2000) } return r0 }   /** * The beef must contain at least each rawTx for each txid. * Some services may require input transactions as well. * These will be fetched if missing, greatly extending the service response time. * @param beef * @param txids * @returns */ async postTxs(beef: Beef, txids: string[]): Promise<sdk.PostTxsResult[]> {   const rs = await Promise.all(this.postTxsServices.allServices.map(async service => { const r = await service(beef, txids, this) return r }))   return rs }   /** * * @param beef * @param chain * @returns */ async postBeef(beef: Beef, txids: string[]): Promise<sdk.PostBeefResult[]> {   let rs = await Promise.all(this.postBeefServices.allServices.map(async service => { const r = await service(beef, txids, this) return r }))   Iif (rs.every(r => r.status !== 'success')) { rs = await this.postTxs(beef, txids) }   return rs }   async getRawTx(txid: string, useNext?: boolean): Promise<sdk.GetRawTxResult> {   Iif (useNext) this.getRawTxServices.next()   const r0: sdk.GetRawTxResult = { txid }   for (let tries = 0; tries < this.getRawTxServices.count; tries++) { const service = this.getRawTxServices.service const r = await service(txid, this.chain) if (r.rawTx) { const hash = asString(doubleSha256BE(r.rawTx!)) // Confirm transaction hash matches txid if (hash === asString(txid)) { // If we have a match, call it done. r0.rawTx = r.rawTx r0.name = r.name r0.error = undefined break } r.error = new sdk.WERR_INTERNAL(`computed txid ${hash} doesn't match requested value ${txid}`) r.rawTx = undefined } if (r.error && !r0.error && !r0.rawTx) // If we have an error and didn't before... r0.error = r.error   this.getRawTxServices.next() } return r0 }   async invokeChaintracksWithRetry<R>(method: () => Promise<R>): Promise<R> { Iif (!this.options.chaintracks) throw new sdk.WERR_INVALID_PARAMETER('options.chaintracks', 'valid for this service operation.'); for (let retry = 0; retry < 3; retry++) { try { const r: R = await method() return r } catch (eu: unknown) { const e = sdk.WalletError.fromUnknown(eu) if (e.code != 'ECONNRESET') throw eu } } throw new sdk.WERR_INVALID_OPERATION('hashToHeader service unavailable') }   async getHeaderForHeight(height: number): Promise<number[]> { const method = async () => { const header = await this.options.chaintracks!.findHeaderForHeight(height) Iif (!header) throw new sdk.WERR_INVALID_PARAMETER('hash', `valid height '${height}' on mined chain ${this.chain}`); return toBinaryBaseBlockHeader(header) } return this.invokeChaintracksWithRetry(method) }   async getHeight(): Promise<number> { const method = async () => { return await this.options.chaintracks!.currentHeight() } return this.invokeChaintracksWithRetry(method) }   async hashToHeader(hash: string): Promise<sdk.BlockHeader> { const method = async () => { const header = await this.options.chaintracks!.findHeaderForBlockHash(hash) Iif (!header) throw new sdk.WERR_INVALID_PARAMETER('hash', `valid blockhash '${hash}' on mined chain ${this.chain}`); return header } return this.invokeChaintracksWithRetry(method) }   async getMerklePath(txid: string, useNext?: boolean): Promise<sdk.GetMerklePathResult> {   Iif (useNext) this.getMerklePathServices.next()   const r0: sdk.GetMerklePathResult = {}   for (let tries = 0; tries < this.getMerklePathServices.count; tries++) { const service = this.getMerklePathServices.service const r = await service(txid, this.chain, this) if (r.merklePath) { // If we have a proof, call it done. r0.merklePath = r.merklePath r0.header = r.header r0.name = r.name r0.error = undefined break } else if (r.error && !r0.error) // If we have an error and didn't before... r0.error = r.error   this.getMerklePathServices.next() } return r0 }   targetCurrencies = ['USD', 'GBP', 'EUR']   async updateFiatExchangeRates(rates?: sdk.FiatExchangeRates, updateMsecs?: number): Promise<sdk.FiatExchangeRates> {   updateMsecs ||= 1000 * 60 * 15 const freshnessDate = new Date(Date.now() - updateMsecs) if (rates) { // Check if the rate we know is stale enough to update. updateMsecs ||= 1000 * 60 * 15 Iif (rates.timestamp > freshnessDate) return rates }   // Make sure we always start with the first service listed (chaintracks aggregator) const services = this.updateFiatExchangeRateServices.clone()   let r0: sdk.FiatExchangeRates | undefined   for (let tries = 0; tries < services.count; tries++) { const service = services.service try { const r = await service(this.targetCurrencies, this.options) if (this.targetCurrencies.every(c => typeof r.rates[c] === 'num