Method constructor

src/index.ts:81–184

(options: InitializationOptions)

  public configurations: Map<string, EnhancedConfig>

  constructor(options: InitializationOptions) {
    validateOptions(options)

    const {
      system = DEFAULT_SYSTEM,
      name = DEFAULT_APP_NAME,
      appVersion = DEFAULT_APP_VERSION,
      networkId,
      transactionHandlers = [],
      ws,
      onopen,
      ondown,
      onreopen,
      onerror,
      onclose
    } = options

    const { apiUrl } = options as InitializationOptionsApiUrl
    const { dappId } = options as InitializationOptionsDappId

    // override default timeout to allow for slow connections
    const timeout = { connectTimeout: 10000 }

    const socket = new SturdyWebSocket(
      apiUrl || 'wss://api.blocknative.com/v0',
      ws
        ? {
            wsConstructor: ws,
            ...timeout
          }
        : { ...timeout }
    )

    socket.onopen = onOpen.bind(this, onopen)
    socket.ondown = onDown.bind(this, ondown)
    socket.onreopen = onReopen.bind(this, onreopen)
    socket.onmessage = handleMessage.bind(this)
    socket.onerror = (error: any) =>
      onerror && onerror({ message: 'There was a WebSocket error', error })
    socket.onclose = () => {
      this._pingTimeout && clearInterval(this._pingTimeout)
      onclose && onclose()
    }

    const storageKey = CryptoEs.SHA1(`${dappId} - ${name}`).toString()
    const storedConnectionId =
      isLocalStorageAvailable() && window.localStorage.getItem(storageKey)

    this._storageKey = storageKey
    this._connectionId = storedConnectionId || undefined
    this._dappId = dappId
    this._system = system
    this._networkId = networkId
    this._appName = name
    this._appVersion = appVersion
    this._transactionHandlers = transactionHandlers
    this._socket = socket
    this._connected = false