spice.xyz Ethers.js provider

spice-provider.js

"use strict"

import {
  UrlJsonRpcProvider,
  showThrottleMessage,
} from "@ethersproject/providers"

import { Logger } from "@ethersproject/logger"
const logger = new Logger("providers/5.5.1")

const defaultApiKey = "3439|6806e8faf10643e2bde903920bbcb1ff"

export class SpiceProvider extends UrlJsonRpcProvider {
  static getApiKey(apiKey) {
    if (apiKey == null) {
      return defaultApiKey
    }
    if (apiKey && typeof apiKey !== "string") {
      logger.throwArgumentError("invalid apiKey", "apiKey", apiKey)
    }
    return apiKey
  }

  static getUrl(network, apiKey) {
    const host = "https://data.spiceai.io"
    let path = null
    switch (network.name) {
      case "homestead":
        path = "/eth"
        break
      default:
        logger.throwArgumentError(
          "unsupported network",
          "network",
          arguments[0]
        )
    }

    return {
      allowGzip: true,
      url: host + path,
      throttleCallback: (attempt, url) => {
        if (apiKey === defaultApiKey) {
          showThrottleMessage()
        }
        return Promise.resolve(true)
      },
    }
  }

  isCommunityResource() {
    return this.apiKey === defaultApiKey
  }
}