105 lines
2.5 KiB
TypeScript
105 lines
2.5 KiB
TypeScript
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'use strict';
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import * as errors from '../utils/errors';
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export type Network = {
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name: string,
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chainId: number,
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ensAddress?: string,
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}
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// @TODO: Make these all read-only with defineProperty
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export 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": {
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"chainId": 1,
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"ensAddress": "0x314159265dd8dbb310642f98f50c066173c1259b",
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"name": "homestead"
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},
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"mainnet": {
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"chainId": 1,
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"ensAddress": "0x314159265dd8dbb310642f98f50c066173c1259b",
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"name": "homestead"
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},
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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": {
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"chainId": 3,
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"ensAddress": "0x112234455c3a32fd11230c42e7bccd4a84e02010",
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"name": "ropsten"
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},
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"testnet": {
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"chainId": 3,
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"ensAddress": "0x112234455c3a32fd11230c42e7bccd4a84e02010",
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"name": "ropsten"
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},
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"rinkeby": {
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"chainId": 4,
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"name": "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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},
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"classic": {
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"chainId": 61,
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"name": "classic"
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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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* If the network is a the name of a common network, return that network.
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* Otherwise, if it is a network object, verify the chain ID is valid
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* for that network. Otherwise, return the network.
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*
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*/
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export function getNetwork(network: Network | string | number): Network {
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// No network (null) or unspecified (chainId = 0)
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if (!network) { return null; }
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if (typeof(network) === 'number') {
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for (var key in networks) {
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let n = networks[key];
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if (n.chainId === network) {
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return n;
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}
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}
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return null;
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}
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if (typeof(network) === 'string') {
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return networks[network] || null;
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}
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let networkObj = 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 (!networkObj) {
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if (typeof(network.chainId) !== 'number') {
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errors.throwError('invalid network chainId', errors.INVALID_ARGUMENT, { name: 'network', value: 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 !== networkObj.chainId) {
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errors.throwError('network chainId mismatch', errors.INVALID_ARGUMENT, { name: 'network', value: network });
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}
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return networkObj;
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}
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