1 | "use strict";
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2 | import { defineReadOnly } from "@ethersproject/properties";
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3 | import { showThrottleMessage } from "./formatter";
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4 | import { WebSocketProvider } from "./websocket-provider";
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5 | import { Logger } from "@ethersproject/logger";
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6 | import { version } from "./_version";
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7 | const logger = new Logger(version);
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8 | import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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9 |
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10 |
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11 |
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12 |
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13 | const defaultApiKey = "_gg7wSSi0KMBsdKnGVfHDueq6xMB9EkC";
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14 | export class AlchemyWebSocketProvider extends WebSocketProvider {
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15 | constructor(network, apiKey) {
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16 | const provider = new AlchemyProvider(network, apiKey);
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17 | const url = provider.connection.url.replace(/^http/i, "ws")
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18 | .replace(".alchemyapi.", ".ws.alchemyapi.");
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19 | super(url, provider.network);
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20 | defineReadOnly(this, "apiKey", provider.apiKey);
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21 | }
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22 | isCommunityResource() {
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23 | return (this.apiKey === defaultApiKey);
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24 | }
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25 | }
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26 | export class AlchemyProvider extends UrlJsonRpcProvider {
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27 | static getWebSocketProvider(network, apiKey) {
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28 | return new AlchemyWebSocketProvider(network, apiKey);
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29 | }
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30 | static getApiKey(apiKey) {
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31 | if (apiKey == null) {
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32 | return defaultApiKey;
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33 | }
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34 | if (apiKey && typeof (apiKey) !== "string") {
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35 | logger.throwArgumentError("invalid apiKey", "apiKey", apiKey);
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36 | }
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37 | return apiKey;
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38 | }
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39 | static getUrl(network, apiKey) {
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40 | let host = null;
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41 | switch (network.name) {
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42 | case "homestead":
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43 | host = "eth-mainnet.alchemyapi.io/v2/";
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44 | break;
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45 | case "ropsten":
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46 | host = "eth-ropsten.alchemyapi.io/v2/";
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47 | break;
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48 | case "rinkeby":
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49 | host = "eth-rinkeby.alchemyapi.io/v2/";
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50 | break;
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51 | case "goerli":
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52 | host = "eth-goerli.alchemyapi.io/v2/";
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53 | break;
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54 | case "kovan":
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55 | host = "eth-kovan.alchemyapi.io/v2/";
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56 | break;
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57 | case "matic":
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58 | host = "polygon-mainnet.g.alchemy.com/v2/";
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59 | break;
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60 | case "maticmum":
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61 | host = "polygon-mumbai.g.alchemy.com/v2/";
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62 | break;
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63 | case "arbitrum":
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64 | host = "arb-mainnet.g.alchemy.com/v2/";
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65 | break;
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66 | case "arbitrum-rinkeby":
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67 | host = "arb-rinkeby.g.alchemy.com/v2/";
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68 | break;
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69 | case "arbitrum-goerli":
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70 | host = "arb-goerli.g.alchemy.com/v2/";
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71 | break;
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72 | case "optimism":
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73 | host = "opt-mainnet.g.alchemy.com/v2/";
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74 | break;
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75 | case "optimism-kovan":
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76 | host = "opt-kovan.g.alchemy.com/v2/";
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77 | break;
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78 | case "optimism-goerli":
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79 | host = "opt-goerli.g.alchemy.com/v2/";
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80 | break;
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81 | default:
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82 | logger.throwArgumentError("unsupported network", "network", arguments[0]);
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83 | }
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84 | return {
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85 | allowGzip: true,
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86 | url: ("https:/" + "/" + host + apiKey),
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87 | throttleCallback: (attempt, url) => {
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88 | if (apiKey === defaultApiKey) {
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89 | showThrottleMessage();
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90 | }
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91 | return Promise.resolve(true);
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92 | }
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93 | };
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94 | }
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95 | isCommunityResource() {
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96 | return (this.apiKey === defaultApiKey);
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97 | }
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98 | }
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99 |
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