184 lines
5.5 KiB
JavaScript
184 lines
5.5 KiB
JavaScript
"use strict";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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function ethDefaultProvider(network) {
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return function (providers, options) {
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if (options == null) {
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options = {};
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}
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const providerList = [];
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if (providers.InfuraProvider) {
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try {
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providerList.push(new providers.InfuraProvider(network, options.infura));
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}
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catch (error) { }
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}
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if (providers.EtherscanProvider) {
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try {
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providerList.push(new providers.EtherscanProvider(network, options.etherscan));
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}
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catch (error) { }
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}
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if (providers.AlchemyProvider) {
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try {
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providerList.push(new providers.AlchemyProvider(network, options.alchemy));
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}
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catch (error) { }
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}
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if (providers.CloudflareProvider) {
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try {
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providerList.push(new providers.CloudflareProvider(network));
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}
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catch (error) { }
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}
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if (providerList.length === 0) {
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return null;
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}
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if (providers.FallbackProvider) {
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let quorum = 1;
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if (options.quorum != null) {
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quorum = options.quorum;
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}
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else if (network === "homestead") {
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quorum = 2;
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}
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return new providers.FallbackProvider(providerList, quorum);
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}
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return providerList[0];
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};
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}
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function etcDefaultProvider(url, network) {
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return function (providers, options) {
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if (providers.JsonRpcProvider) {
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return new providers.JsonRpcProvider(url, network);
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}
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return null;
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};
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}
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const homestead = {
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chainId: 1,
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ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
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name: "homestead",
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_defaultProvider: ethDefaultProvider("homestead")
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};
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const ropsten = {
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chainId: 3,
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ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
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name: "ropsten",
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_defaultProvider: ethDefaultProvider("ropsten")
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};
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const classicMordor = {
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chainId: 63,
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name: "classicMordor",
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_defaultProvider: etcDefaultProvider("https://www.ethercluster.com/mordor", "classicMordor")
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};
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const networks = {
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unspecified: {
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chainId: 0,
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name: "unspecified"
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},
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homestead: homestead,
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mainnet: homestead,
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morden: {
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chainId: 2,
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name: "morden"
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},
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ropsten: ropsten,
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testnet: ropsten,
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rinkeby: {
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chainId: 4,
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ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
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name: "rinkeby",
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_defaultProvider: ethDefaultProvider("rinkeby")
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},
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kovan: {
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chainId: 42,
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name: "kovan",
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_defaultProvider: ethDefaultProvider("kovan")
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},
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goerli: {
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chainId: 5,
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ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
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name: "goerli",
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_defaultProvider: ethDefaultProvider("goerli")
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},
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// ETC (See: #351)
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classic: {
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chainId: 61,
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name: "classic",
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_defaultProvider: etcDefaultProvider("https://www.ethercluster.com/etc", "classic")
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},
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classicMorden: {
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chainId: 62,
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name: "classicMorden",
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},
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classicMordor: classicMordor,
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classicTestnet: classicMordor,
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classicKotti: {
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chainId: 6,
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name: "classicKotti",
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_defaultProvider: etcDefaultProvider("https://www.ethercluster.com/kotti", "classicKotti")
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},
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};
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/**
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* getNetwork
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*
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* Converts a named common networks or chain ID (network ID) to a Network
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* and verifies a network is a valid Network..
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*/
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export function getNetwork(network) {
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// No network (null)
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if (network == null) {
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return null;
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}
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if (typeof (network) === "number") {
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for (const name in networks) {
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const standard = networks[name];
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if (standard.chainId === network) {
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return {
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name: standard.name,
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chainId: standard.chainId,
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ensAddress: (standard.ensAddress || null),
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_defaultProvider: (standard._defaultProvider || null)
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};
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}
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}
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return {
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chainId: network,
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name: "unknown"
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};
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}
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if (typeof (network) === "string") {
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const standard = networks[network];
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if (standard == null) {
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return null;
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}
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return {
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name: standard.name,
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chainId: standard.chainId,
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ensAddress: standard.ensAddress,
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_defaultProvider: (standard._defaultProvider || null)
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};
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}
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const standard = networks[network.name];
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// Not a standard network; check that it is a valid network in general
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if (!standard) {
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if (typeof (network.chainId) !== "number") {
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logger.throwArgumentError("invalid network chainId", "network", network);
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}
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return network;
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}
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// Make sure the chainId matches the expected network chainId (or is 0; disable EIP-155)
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if (network.chainId !== 0 && network.chainId !== standard.chainId) {
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logger.throwArgumentError("network chainId mismatch", "network", network);
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}
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// Standard Network (allow overriding the ENS address)
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return {
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name: network.name,
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chainId: standard.chainId,
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ensAddress: (network.ensAddress || standard.ensAddress || null),
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_defaultProvider: (network._defaultProvider || standard._defaultProvider || null)
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};
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}
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