How to use onlySupported method in devicefarmer-stf

Best JavaScript code snippet using devicefarmer-stf

index.ts

Source:index.ts

1import { chains as chainParams } from './chains'2import { hardforks as hardforkChanges } from './hardforks'3import { Chain } from './types'4interface hardforkOptions {5  /** optional, only allow supported HFs (default: false) */6  onlySupported?: boolean7  /** optional, only active HFs (default: false) */8  onlyActive?: boolean9}10/**11 * Common class to access chain and hardfork parameters12 */13export default class Common {14  private _hardfork: string | null15  private _supportedHardforks: Array<string>16  private _chainParams: Chain17  /**18   * Creates a Common object for a custom chain, based on a standard one. It uses all the [[Chain]]19   * params from [[baseChain]] except the ones overridden in [[customChainParams]].20   *21   * @param baseChain The name (`mainnet`) or id (`1`) of a standard chain used to base the custom22   * chain params on.23   * @param customChainParams The custom parameters of the chain.24   * @param hardfork String identifier ('byzantium') for hardfork (optional)25   * @param supportedHardforks Limit parameter returns to the given hardforks (optional)26   */27  static forCustomChain(28    baseChain: string | number,29    customChainParams: Partial<Chain>,30    hardfork?: string | null,31    supportedHardforks?: Array<string>,32  ): Common {33    const standardChainParams = Common._getChainParams(baseChain)34    return new Common(35      {36        ...standardChainParams,37        ...customChainParams,38      },39      hardfork,40      supportedHardforks,41    )42  }43  private static _getChainParams(chain: string | number): Chain {44    if (typeof chain === 'number') {45      if (chainParams['names'][chain]) {46        return chainParams[chainParams['names'][chain]]47      }48      throw new Error(`Chain with ID ${chain} not supported`)49    }50    if (chainParams[chain]) {51      return chainParams[chain]52    }53    throw new Error(`Chain with name ${chain} not supported`)54  }55  /**56   * @constructor57   * @param chain String ('mainnet') or Number (1) chain58   * @param hardfork String identifier ('byzantium') for hardfork (optional)59   * @param supportedHardforks Limit parameter returns to the given hardforks (optional)60   */61  constructor(62    chain: string | number | object,63    hardfork?: string | null,64    supportedHardforks?: Array<string>,65  ) {66    this._chainParams = this.setChain(chain)67    this._hardfork = null68    this._supportedHardforks = supportedHardforks === undefined ? [] : supportedHardforks69    if (hardfork) {70      this.setHardfork(hardfork)71    }72  }73  /**74   * Sets the chain75   * @param chain String ('mainnet') or Number (1) chain76   *     representation. Or, a Dictionary of chain parameters for a private network.77   * @returns The dictionary with parameters set as chain78   */79  setChain(chain: string | number | object): any {80    if (typeof chain === 'number' || typeof chain === 'string') {81      this._chainParams = Common._getChainParams(chain)82    } else if (typeof chain === 'object') {83      const required = ['networkId', 'genesis', 'hardforks', 'bootstrapNodes']84      for (const param of required) {85        if ((<any>chain)[param] === undefined) {86          throw new Error(`Missing required chain parameter: ${param}`)87        }88      }89      this._chainParams = chain as Chain90    } else {91      throw new Error('Wrong input format')92    }93    return this._chainParams94  }95  /**96   * Sets the hardfork to get params for97   * @param hardfork String identifier ('byzantium')98   */99  setHardfork(hardfork: string | null): void {100    if (!this._isSupportedHardfork(hardfork)) {101      throw new Error(`Hardfork ${hardfork} not set as supported in supportedHardforks`)102    }103    let changed = false104    for (const hfChanges of hardforkChanges) {105      if (hfChanges[0] === hardfork) {106        this._hardfork = hardfork107        changed = true108      }109    }110    if (!changed) {111      throw new Error(`Hardfork with name ${hardfork} not supported`)112    }113  }114  /**115   * Internal helper function to choose between hardfork set and hardfork provided as param116   * @param hardfork Hardfork given to function as a parameter117   * @returns Hardfork chosen to be used118   */119  _chooseHardfork(hardfork?: string | null, onlySupported?: boolean): string {120    onlySupported = onlySupported === undefined ? true : onlySupported121    if (!hardfork) {122      if (!this._hardfork) {123        throw new Error('Method called with neither a hardfork set nor provided by param')124      } else {125        hardfork = this._hardfork126      }127    } else if (onlySupported && !this._isSupportedHardfork(hardfork)) {128      throw new Error(`Hardfork ${hardfork} not set as supported in supportedHardforks`)129    }130    return hardfork131  }132  /**133   * Internal helper function, returns the params for the given hardfork for the chain set134   * @param hardfork Hardfork name135   * @returns Dictionary with hardfork params136   */137  _getHardfork(hardfork: string): any {138    const hfs = this.hardforks()139    for (const hf of hfs) {140      if (hf['name'] === hardfork) return hf141    }142    throw new Error(`Hardfork ${hardfork} not defined for chain ${this.chainName()}`)143  }144  /**145   * Internal helper function to check if a hardfork is set to be supported by the library146   * @param hardfork Hardfork name147   * @returns True if hardfork is supported148   */149  _isSupportedHardfork(hardfork: string | null): boolean {150    if (this._supportedHardforks.length > 0) {151      for (const supportedHf of this._supportedHardforks) {152        if (hardfork === supportedHf) return true153      }154    } else {155      return true156    }157    return false158  }159  /**160   * Returns the parameter corresponding to a hardfork161   * @param topic Parameter topic ('gasConfig', 'gasPrices', 'vm', 'pow', 'casper', 'sharding')162   * @param name Parameter name (e.g. 'minGasLimit' for 'gasConfig' topic)163   * @param hardfork Hardfork name, optional if hardfork set164   */165  param(topic: string, name: string, hardfork?: string): any {166    hardfork = this._chooseHardfork(hardfork)167    let value168    for (const hfChanges of hardforkChanges) {169      if (!hfChanges[1][topic]) {170        throw new Error(`Topic ${topic} not defined`)171      }172      if (hfChanges[1][topic][name] !== undefined) {173        value = hfChanges[1][topic][name].v174      }175      if (hfChanges[0] === hardfork) break176    }177    if (value === undefined) {178      throw new Error(`${topic} value for ${name} not found`)179    }180    return value181  }182  /**183   * Returns a parameter for the hardfork active on block number184   * @param topic Parameter topic185   * @param name Parameter name186   * @param blockNumber Block number187   */188  paramByBlock(topic: string, name: string, blockNumber: number): any {189    const activeHfs = this.activeHardforks(blockNumber)190    const hardfork = activeHfs[activeHfs.length - 1]['name']191    return this.param(topic, name, hardfork)192  }193  /**194   * Checks if set or provided hardfork is active on block number195   * @param hardfork Hardfork name or null (for HF set)196   * @param blockNumber197   * @param opts Hardfork options (onlyActive unused)198   * @returns True if HF is active on block number199   */200  hardforkIsActiveOnBlock(201    hardfork: string | null,202    blockNumber: number,203    opts?: hardforkOptions,204  ): boolean {205    opts = opts !== undefined ? opts : {}206    const onlySupported = opts.onlySupported === undefined ? false : opts.onlySupported207    hardfork = this._chooseHardfork(hardfork, onlySupported)208    const hfBlock = this.hardforkBlock(hardfork)209    if (hfBlock !== null && blockNumber >= hfBlock) return true210    return false211  }212  /**213   * Alias to hardforkIsActiveOnBlock when hardfork is set214   * @param blockNumber215   * @param opts Hardfork options (onlyActive unused)216   * @returns True if HF is active on block number217   */218  activeOnBlock(blockNumber: number, opts?: hardforkOptions): boolean {219    return this.hardforkIsActiveOnBlock(null, blockNumber, opts)220  }221  /**222   * Sequence based check if given or set HF1 is greater than or equal HF2223   * @param hardfork1 Hardfork name or null (if set)224   * @param hardfork2 Hardfork name225   * @param opts Hardfork options226   * @returns True if HF1 gte HF2227   */228  hardforkGteHardfork(229    hardfork1: string | null,230    hardfork2: string,231    opts?: hardforkOptions,232  ): boolean {233    opts = opts !== undefined ? opts : {}234    const onlyActive = opts.onlyActive === undefined ? false : opts.onlyActive235    hardfork1 = this._chooseHardfork(hardfork1, opts.onlySupported)236    let hardforks237    if (onlyActive) {238      hardforks = this.activeHardforks(null, opts)239    } else {240      hardforks = this.hardforks()241    }242    let posHf1 = -1,243      posHf2 = -1244    let index = 0245    for (const hf of hardforks) {246      if (hf['name'] === hardfork1) posHf1 = index247      if (hf['name'] === hardfork2) posHf2 = index248      index += 1249    }250    return posHf1 >= posHf2251  }252  /**253   * Alias to hardforkGteHardfork when hardfork is set254   * @param hardfork Hardfork name255   * @param opts Hardfork options256   * @returns True if hardfork set is greater than hardfork provided257   */258  gteHardfork(hardfork: string, opts?: hardforkOptions): boolean {259    return this.hardforkGteHardfork(null, hardfork, opts)260  }261  /**262   * Checks if given or set hardfork is active on the chain263   * @param hardfork Hardfork name, optional if HF set264   * @param opts Hardfork options (onlyActive unused)265   * @returns True if hardfork is active on the chain266   */267  hardforkIsActiveOnChain(hardfork?: string | null, opts?: hardforkOptions): boolean {268    opts = opts !== undefined ? opts : {}269    const onlySupported = opts.onlySupported === undefined ? false : opts.onlySupported270    hardfork = this._chooseHardfork(hardfork, onlySupported)271    for (const hf of this.hardforks()) {272      if (hf['name'] === hardfork && hf['block'] !== null) return true273    }274    return false275  }276  /**277   * Returns the active hardfork switches for the current chain278   * @param blockNumber up to block if provided, otherwise for the whole chain279   * @param opts Hardfork options (onlyActive unused)280   * @return Array with hardfork arrays281   */282  activeHardforks(blockNumber?: number | null, opts?: hardforkOptions): Array<any> {283    opts = opts !== undefined ? opts : {}284    const activeHardforks = []285    const hfs = this.hardforks()286    for (const hf of hfs) {287      if (hf['block'] === null) continue288      if (blockNumber !== undefined && blockNumber !== null && blockNumber < hf['block']) break289      if (opts.onlySupported && !this._isSupportedHardfork(hf['name'])) continue290      activeHardforks.push(hf)291    }292    return activeHardforks293  }294  /**295   * Returns the latest active hardfork name for chain or block or throws if unavailable296   * @param blockNumber up to block if provided, otherwise for the whole chain297   * @param opts Hardfork options (onlyActive unused)298   * @return Hardfork name299   */300  activeHardfork(blockNumber?: number | null, opts?: hardforkOptions): string {301    opts = opts !== undefined ? opts : {}302    const activeHardforks = this.activeHardforks(blockNumber, opts)303    if (activeHardforks.length > 0) {304      return activeHardforks[activeHardforks.length - 1]['name']305    } else {306      throw new Error(`No (supported) active hardfork found`)307    }308  }309  /**310   * Returns the hardfork change block for hardfork provided or set311   * @param hardfork Hardfork name, optional if HF set312   * @returns Block number313   */314  hardforkBlock(hardfork?: string): number {315    hardfork = this._chooseHardfork(hardfork, false)316    return this._getHardfork(hardfork)['block']317  }318  /**319   * True if block number provided is the hardfork (given or set) change block of the current chain320   * @param blockNumber Number of the block to check321   * @param hardfork Hardfork name, optional if HF set322   * @returns True if blockNumber is HF block323   */324  isHardforkBlock(blockNumber: number, hardfork?: string): boolean {325    hardfork = this._chooseHardfork(hardfork, false)326    if (this.hardforkBlock(hardfork) === blockNumber) {327      return true328    } else {329      return false330    }331  }332  /**333   * Provide the consensus type for the hardfork set or provided as param334   * @param hardfork Hardfork name, optional if hardfork set335   * @returns Consensus type (e.g. 'pow', 'poa')336   */337  consensus(hardfork?: string): string {338    hardfork = this._chooseHardfork(hardfork)339    return this._getHardfork(hardfork)['consensus']340  }341  /**342   * Provide the finality type for the hardfork set or provided as param343   * @param {String} hardfork Hardfork name, optional if hardfork set344   * @returns {String} Finality type (e.g. 'pos', null of no finality)345   */346  finality(hardfork?: string): string {347    hardfork = this._chooseHardfork(hardfork)348    return this._getHardfork(hardfork)['finality']349  }350  /**351   * Returns the Genesis parameters of current chain352   * @returns Genesis dictionary353   */354  genesis(): any {355    return (<any>this._chainParams)['genesis']356  }357  /**358   * Returns the hardforks for current chain359   * @returns {Array} Array with arrays of hardforks360   */361  hardforks(): any {362    return (<any>this._chainParams)['hardforks']363  }364  /**365   * Returns bootstrap nodes for the current chain366   * @returns {Dictionary} Dict with bootstrap nodes367   */368  bootstrapNodes(): any {369    return (<any>this._chainParams)['bootstrapNodes']370  }371  /**372   * Returns the hardfork set373   * @returns Hardfork name374   */375  hardfork(): string | null {376    return this._hardfork377  }378  /**379   * Returns the Id of current chain380   * @returns chain Id381   */382  chainId(): number {383    return <number>(<any>this._chainParams)['chainId']384  }385  /**386   * Returns the name of current chain387   * @returns chain name (lower case)388   */389  chainName(): string {390    return chainParams['names'][this.chainId()] || (<any>this._chainParams)['name']391  }392  /**393   * Returns the Id of current network394   * @returns network Id395   */396  networkId(): number {397    return (<any>this._chainParams)['networkId']398  }...

index.js

Source:index.js

1const chainParams = require('./chains')2const hardforkChanges = require('./hardforks')3/**4 * Common class to access chain and hardfork parameters5 */6class SECCommon {7  /**8   * @constructor9   * @param {String|Number} chain String ('mainnet') or Number (1) chain representation10   * @param {String} hardfork String identifier ('byzantium') for hardfork (optional)11   * @param {Array} supportedHardforks Limit parameter returns to the given hardforks (optional)12   */13  constructor (chain, hardfork, supportedHardforks) {14    this.setChain(chain)15    this._hardfork = null16    this._supportedHardforks = supportedHardforks === undefined ? [] : supportedHardforks17    if (hardfork) {18      this.setHardfork(hardfork)19    }20  }21  /**22   * Sets the chain23   * @param {String|Number} chain String ('mainnet') or Number (1) chain representation24   */25  setChain (chain) {26    if (typeof (chain) === 'number') {27      if (chainParams['names'][chain]) {28        this._chainParams = chainParams[chainParams['names'][chain]]29      } else {30        throw new Error(`Chain with ID ${chain} not supported`)31      }32    } else if (typeof (chain) === 'string') {33      if (chainParams[chain]) {34        this._chainParams = chainParams[chain]35      } else {36        throw new Error(`Chain with name ${chain} not supported`)37      }38    } else {39      throw new Error('Wrong input format')40    }41  }42  /**43   * Sets the hardfork to get params for44   * @param {String} hardfork String identifier ('byzantium')45   */46  setHardfork (hardfork) {47    if (!this._isSupportedHardfork(hardfork)) {48      throw new Error(`Hardfork ${hardfork} not set as supported in supportedHardforks`)49    }50    let changed = false51    for (let hfChanges of hardforkChanges) {52      if (hfChanges[0] === hardfork) {53        this._hardfork = hardfork54        changed = true55      }56    }57    if (!changed) {58      throw new Error(`Hardfork with name ${hardfork} not supported`)59    }60  }61  /**62   * Internal helper function to choose between hardfork set and hardfork provided as param63   * @param {String} hardfork Hardfork given to function as a parameter64   * @returns {String} Hardfork chosen to be used65   */66  _chooseHardfork (hardfork, onlySupported) {67    onlySupported = onlySupported === undefined ? true : onlySupported68    if (!hardfork) {69      if (!this._hardfork) {70        throw new Error('Method called with neither a hardfork set nor provided by param')71      } else {72        hardfork = this._hardfork73      }74    } else if (!this._isSupportedHardfork(hardfork)) {75      throw new Error(`Hardfork ${hardfork} not set as supported in supportedHardforks`)76    }77    return hardfork78  }79  /**80   * Internal helper function, returns the params for the given hardfork for the chain set81   * @param {String} hardfork Hardfork name82   * @returns {Dictionary}83   */84  _getHardfork (hardfork) {85    let hfs = this.hardforks()86    for (let hf of hfs) {87      if (hf['name'] === hardfork) return hf88    }89    throw new Error(`Hardfork ${hardfork} not defined for chain ${this.chainName()}`)90  }91  /**92   * Internal helper function to check if a hardfork is set to be supported by the library93   * @param {String} hardfork Hardfork name94   * @returns {Boolean} True if hardfork is supported95   */96  _isSupportedHardfork (hardfork) {97    if (this._supportedHardforks.length > 0) {98      for (let supportedHf of this._supportedHardforks) {99        if (hardfork === supportedHf) return true100      }101    } else {102      return true103    }104    return false105  }106  /**107   * Returns the parameter corresponding to a hardfork108   * @param {String} topic Parameter topic ('gasConfig', 'gasPrices', 'vm', 'pow', 'casper', 'sharding')109   * @param {String} name Parameter name (e.g. 'minGasLimit' for 'gasConfig' topic)110   * @param {String} hardfork Hardfork name, optional if hardfork set111   */112  param (topic, name, hardfork) {113    hardfork = this._chooseHardfork(hardfork)114    let value115    for (let hfChanges of hardforkChanges) {116      if (!hfChanges[1][topic]) {117        throw new Error(`Topic ${topic} not defined`)118      }119      if (hfChanges[1][topic][name] !== undefined) {120        value = hfChanges[1][topic][name].v121      }122      if (hfChanges[0] === hardfork) break123    }124    if (value === undefined) {125      throw new Error(`${topic} value for ${name} not found`)126    }127    return value128  }129  /**130   * Returns a parameter for the hardfork active on block number131   * @param {String} topic Parameter topic132   * @param {String} name Parameter name133   * @param {Number} blockNumber Block number134   */135  paramByBlock (topic, name, blockNumber) {136    let activeHfs = this.activeHardforks(blockNumber)137    let hardfork = activeHfs[activeHfs.length - 1]['name']138    return this.param(topic, name, hardfork)139  }140  /**141   * Checks if set or provided hardfork is active on block number142   * @param {String} hardfork Hardfork name or null (for HF set)143   * @param {Number} blockNumber144   * @param {Array} opts145   * @param {Array.Boolean} opts.onlySupported optional, only allow supported HFs (default: false)146   * @returns {Boolean}147   */148  hardforkIsActiveOnBlock (hardfork, blockNumber, opts) {149    opts = opts !== undefined ? opts : []150    let onlySupported = opts.onlySupported === undefined ? false : opts.onlySupported151    hardfork = this._chooseHardfork(hardfork, onlySupported)152    let hfBlock = this.hardforkBlock(hardfork)153    if (hfBlock !== null && blockNumber >= hfBlock) return true154    return false155  }156  /**157   * Alias to hardforkIsActiveOnBlock when hardfork is set158   * @param {Number} blockNumber159   * @param {Array} opts160   * @param {Array.Boolean} opts.onlySupported optional, only allow supported HFs (default: false)161   * @returns {Boolean}162   */163  activeOnBlock (blockNumber, opts) {164    return this.hardforkIsActiveOnBlock(null, blockNumber, opts)165  }166  /**167   * Sequence based check if given or set HF1 is greater than or equal HF2168   * @param {String} hardfork1 Hardfork name or null (if set)169   * @param {String} hardfork2 Hardfork name170   * @param {Array} opts171   * @param {Array.Boolean} opts.onlyActive optional, only active HFs (default: false)172   * @param {Array.Boolean} opts.onlySupported optional, only allow supported HFs (default: false)173   * @returns {Boolean}174   */175  hardforkGteHardfork (hardfork1, hardfork2, opts) {176    opts = opts !== undefined ? opts : []177    let onlyActive = opts.onlyActive === undefined ? false : opts.onlyActive178    hardfork1 = this._chooseHardfork(hardfork1, opts.onlySupported)179    let hardforks180    if (onlyActive) {181      hardforks = this.activeHardforks(null, opts)182    } else {183      hardforks = this.hardforks()184    }185    let posHf1, posHf2186    let index = 0187    for (let hf of hardforks) {188      if (hf['name'] === hardfork1) posHf1 = index189      if (hf['name'] === hardfork2) posHf2 = index190      index += 1191    }192    return posHf1 >= posHf2193  }194  /**195   * Alias to hardforkGteHardfork when hardfork is set196   * @param {String} hardfork Hardfork name197   * @param {Array} opts198   * @param {Array.Boolean} opts.onlyActive optional, only active HFs (default: false)199   * @param {Array.Boolean} opts.onlySupported optional, only allow supported HFs (default: false)200   * @returns {Boolean}201   */202  gteHardfork (hardfork, opts) {203    return this.hardforkGteHardfork(null, hardfork, opts)204  }205  /**206   * Checks if given or set hardfork is active on the chain207   * @param {String} hardfork Hardfork name, optional if HF set208   * @param {Array} opts209   * @param {Array.Boolean} opts.onlySupported optional, only allow supported HFs (default: false)210   * @returns {Boolean}211   */212  hardforkIsActiveOnChain (hardfork, opts) {213    opts = opts !== undefined ? opts : []214    let onlySupported = opts.onlySupported === undefined ? false : opts.onlySupported215    hardfork = this._chooseHardfork(hardfork, onlySupported)216    for (let hf of this.hardforks()) {217      if (hf['name'] === hardfork && hf['block'] !== null) return true218    }219    return false220  }221  /**222   * Returns the active hardfork switches for the current chain223   * @param {Number} blockNumber up to block if provided, otherwise for the whole chain224   * @param {Array} opts225   * @param {Array.Boolean} opts.onlySupported optional, limit results to supported HFs (default: false)226   * @return {Array} Array with hardfork arrays227   */228  activeHardforks (blockNumber, opts) {229    opts = opts !== undefined ? opts : []230    let activeHardforks = []231    let hfs = this.hardforks()232    for (let hf of hfs) {233      if (hf['block'] === null) continue234      if ((blockNumber !== undefined && blockNumber !== null) && blockNumber < hf['block']) break235      if (opts.onlySupported && !this._isSupportedHardfork(hf['name'])) continue236      activeHardforks.push(hf)237    }238    return activeHardforks239  }240  /**241   * Returns the latest active hardfork name for chain or block or throws if unavailable242   * @param {Number} blockNumber up to block if provided, otherwise for the whole chain243   * @param {Array} opts244   * @param {Array.Boolean} opts.onlySupported optional, limit results to supported HFs (default: false)245   * @return {String} Hardfork name246   */247  activeHardfork (blockNumber, opts) {248    let activeHardforks = this.activeHardforks(blockNumber, opts)249    if (activeHardforks.length > 0) {250      return activeHardforks[activeHardforks.length - 1]['name']251    } else {252      throw new Error(`No (supported) active hardfork found`)253    }254  }255  /**256   * Returns the hardfork change block for hardfork provided or set257   * @param {String} hardfork Hardfork name, optional if HF set258   * @returns {Number} Block number259   */260  hardforkBlock (hardfork) {261    hardfork = this._chooseHardfork(hardfork, false)262    return this._getHardfork(hardfork)['block']263  }264  /**265   * True if block number provided is the hardfork (given or set) change block of the current chain266   * @param {Number} blockNumber Number of the block to check267   * @param {String} hardfork Hardfork name, optional if HF set268   * @returns {Boolean}269   */270  isHardforkBlock (blockNumber, hardfork) {271    hardfork = this._chooseHardfork(hardfork, false)272    if (this.hardforkBlock(hardfork) === blockNumber) {273      return true274    } else {275      return false276    }277  }278  /**279   * Provide the consensus type for the hardfork set or provided as param280   * @param {String} hardfork Hardfork name, optional if hardfork set281   * @returns {String} Consensus type (e.g. 'pow', 'poa')282   */283  consensus (hardfork) {284    hardfork = this._chooseHardfork(hardfork)285    return this._getHardfork(hardfork)['consensus']286  }287  /**288   * Provide the finality type for the hardfork set or provided as param289   * @param {String} hardfork Hardfork name, optional if hardfork set290   * @returns {String} Finality type (e.g. 'pos', null of no finality)291   */292  finality (hardfork) {293    hardfork = this._chooseHardfork(hardfork)294    return this._getHardfork(hardfork)['finality']295  }296  /**297   * Returns the Genesis parameters of current chain298   * @returns {Dictionary} Genesis dict299  */300  genesis () {301    return this._chainParams['genesis']302  }303  /**304   * Returns the hardforks for current chain305   * @returns {Array} Array with arrays of hardforks306   */307  hardforks () {308    return this._chainParams['hardforks']309  }310  /**311   * Returns bootstrap nodes for the current chain312   * @returns {Dictionary} Dict with bootstrap nodes313   */314  bootstrapNodes () {315    return this._chainParams['bootstrapNodes']316  }317  /**318   * Returns the hardfork set319   * @returns {String} Hardfork name320   */321  hardfork () {322    return this._hardfork323  }324  /**325   * Returns the Id of current chain326   * @returns {Number} chain Id327   */328  chainId () {329    return this._chainParams['chainId']330  }331  /**332   * Returns the name of current chain333   * @returns {String} chain name (lower case)334   */335  chainName () {336    return chainParams['names'][this.chainId()]337  }338  /**339   * Returns the Id of current network340   * @returns {Number} network Id341   */342  networkId () {343    return this._chainParams['networkId']344  }345}...

Using AI Code Generation

1var stf = require('devicefarmer-stf-client');2var device = new stf.Device(stfClient, 'device serial');3device.onlySupported().then(function(device){4    console.log(device);5}).catch(function(err){6    console.log(err);7});8var stf = require('devicefarmer-stf-client');9var device = new stf.Device(stfClient, 'device serial');10device.onlySupported().then(function(device){11    console.log(device);12}).catch(function(err){13    console.log(err);14});15var stf = require('devicefarmer-stf-client');16var device = new stf.Device(stfClient, 'device serial');17device.onlySupported().then(function(device){18    console.log(device);19}).catch(function(err){20    console.log(err);21});22var stf = require('devicefarmer-stf-client');23var device = new stf.Device(stfClient, 'device serial');24device.onlySupported().then(function(device){25    console.log(device);26}).catch(function(err){27    console.log(err);28});29var stf = require('devicefarmer-stf-client');30var device = new stf.Device(stfClient, 'device serial');31device.onlySupported().then(function(device){32    console.log(device);33}).catch(function(err){34    console.log(err);35});36var stf = require('devicefarmer-stf-client');

Using AI Code Generation

1var devicefarmer = require('devicefarmer-stf-client');2var client = devicefarmer.createClient({3});4var device = devicefarmer.createDevice({5});6client.onlySupported(device, function (err, res) {7    if (err) {8        console.log(err);9    } else {10        console.log(res);11    }12});13{ serial: 'emulator-5554',14  provider: { channel: 'local' },15  network: { connected: true, roaming: false },16  battery: { present: true, level: 100, scale: 100, status: 2 },17  phone: { network: 'UNKNOWN', operator: null, sim: 'UNKNOWN', subscriber: null },18  display: { id: 0, width: 1080, height: 1920, xdpi: 420.469, ydpi: 420.469, fps: 60, density: 3, rotation: 0, secure: true },19  screenSize: { width: 1080, height: 1920 },20  features: { android.hardware.touchscreen: true, android.hardware.faketouch: true, android.hardware.screen.portrait: true, android.hardware.screen.landscape: true, android.hardware.camera: true, android.hardware.camera.autofocus: true, android.hardware.camera.flash: true, android.hardware.camera.front: true, android.hardware

Using AI Code Generation

1var devicefarmer = require('devicefarmer-stf');2stf.onlySupported({api:19, abi:"armeabi-v7a", manufacturer:"samsung", model:"SM-G900F", resolution:"1920x1080", network:"lte", operator:"vodafone", country:"de"}, function(err, devices) {3  console.log(devices);4});5var devicefarmer = require('devicefarmer-stf');6stf.onlySupported({api:19, abi:"armeabi-v7a", manufacturer:"samsung", model:"SM-G900F", resolution:"1920x1080", network:"lte", operator:"vodafone", country:"de"}, function(err, devices) {7  console.log(devices);8});9var devicefarmer = require('devicefarmer-stf');10stf.onlySupported({api:19, abi:"armeabi-v7a", manufacturer:"samsung", model:"SM-G900F", resolution:"1920x1080", network:"lte", operator:"vodafone", country:"de"}, function(err, devices) {11  console.log(devices);12});13var devicefarmer = require('devicefarmer-stf');14stf.onlySupported({api:19, abi:"armeabi-v7a", manufacturer:"samsung", model:"SM-G900F", resolution:"1920x1080", network:"lte", operator:"vodafone", country:"de"}, function(err, devices) {15  console.log(devices);16});17var devicefarmer = require('devicefarmer-stf');18stf.onlySupported({api:19, abi:"armeabi-v7a", manufacturer:"samsung

Using AI Code Generation

1var util = require('util');2var DeviceFarmerClient = require('devicefarmer-stf-client');3var device = client.getDevice('HTC One_M8');4device.supported().then(function(supported) {5    console.log(util.inspect(supported, {depth: null, colors: true}));6});7{ 'android.supported': true,8  'shell': 'sh' }9DeviceFarmerClient.prototype.supported = function() {10    var self = this;11    return self.getDeviceProperties().then(function(properties) {12        var supported = true;13        Object.keys(properties).forEach(function(key) {14            if (key.indexOf('android.supported') === 0) {15                supported = supported && properties[key];16            }17        });18        return supported;19    });20};21DeviceFarmerClient.prototype.getDeviceProperties = function() {22    var self = this;23    return self._request({24    }).then(function(response) {25        return response.body;26    });27};28var util = require('util');29var DeviceFarmerClient = require('devicefarmer-stf-client');30var device = client.getDevice('HTC One_M8');31device.supported().then(function(supported) {32    console.log(util.inspect(supported, {depth: null, colors: true}));33});

Using AI Code Generation

1var sf = require('devicefarmer-stf');2var device = new sf.Device();3device.onlySupported('test.js',function(err,devices){4    if(err){5        console.log(err);6    }7    else{8        console.log(devices);9    }10});11[ { serial: '0123456789ABCDEF',12    cpu: 'ARMv7 Processor rev 3 (v7l)',

Using AI Code Generation

1var utils = require('devicefarmer-stf-utils');2var device = utils.getDevice();3var supported = device.onlySupported(['Nexus 5', 'Nexus 6']);4console.log(supported);5var utils = require('devicefarmer-stf-utils');6var device = utils.getDevice();7var supported = device.onlySupported(['Nexus 5', 'Nexus 6'], 'Nexus 4');8console.log(supported);9var utils = require('devicefarmer-stf-utils');10var device = utils.getDevice();11device.onlySupported(['Nexus 5', 'Nexus 6']);12console.log('Device is supported');13var utils = require('devicefarmer-stf-utils');14var device = utils.getDevice();15device.onlySupported(['Nexus 5', 'Nexus 6'], 'Nexus 4');16console.log('Device is supported');17var utils = require('devicefarmer-stf-utils');18var device = utils.getDevice();19device.onlySupported(['Nexus 5', 'Nexus 6']);20console.log('Device is supported');21var utils = require('devicefarmer-stf-utils');22var device = utils.getDevice();23device.onlySupported(['Nexus 5', 'Nexus 6'], 'Nexus 4');24console.log('Device is supported');

Using AI Code Generation

1var stf = require('devicefarmer-stf');2var test = function() {3    var deviceList = device.getDevices();4    deviceList.then(function(result) {5        console.log(result);6    });7}8test();9var stf = require('devicefarmer-stf');10var test = function() {11    var deviceList = device.getDevices();12    deviceList.then(function(result) {13        console.log(result);14    });15}16test();17var stf = require('devicefarmer-stf');18var test = function() {19    var deviceList = device.getDevices();20    deviceList.then(function(result) {21        console.log(result);22    });23}24test();25var stf = require('devicefarmer-stf');26var test = function() {27    var deviceList = device.getDevices();28    deviceList.then(function(result) {29        console.log(result);30    });31}32test();

Using AI Code Generation

1var stf = require('devicefarmer-stf');2device.onlySupported(function (err, devices) {3    if (err) {4        console.log(err);5    } else {6        console.log(devices);7        if (devices.length > 0) {8            device.use(devices[0].serial, function (err, serial) {9                if (err) {10                    console.log(err);11                } else {12                    console.log(serial);13                }14            });15        }16    }17});18var stf = require('devicefarmer-stf');19device.onlySupported(function (err, devices) {20    if (err) {21        console.log(err);22    } else {23        console.log(devices);24        if (devices.length > 0) {25            device.use(devices[0].serial, function (err, serial) {26                if (err) {27                    console.log(err);28                } else {29                    console.log(serial);30                }31            });32        }33    }34});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.