362 lines
13 KiB
JavaScript
362 lines
13 KiB
JavaScript
"use strict";
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/**
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* A **Network** encapsulates the various properties required to
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* interact with a specific chain.
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*
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* @_subsection: api/providers:Networks [networks]
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Network = void 0;
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const index_js_1 = require("../transaction/index.js");
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const index_js_2 = require("../utils/index.js");
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const plugins_network_js_1 = require("./plugins-network.js");
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/* * * *
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// Networks which operation against an L2 can use this plugin to
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// specify how to access L1, for the purpose of resolving ENS,
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// for example.
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export class LayerOneConnectionPlugin extends NetworkPlugin {
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readonly provider!: Provider;
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// @TODO: Rename to ChainAccess and allow for connecting to any chain
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constructor(provider: Provider) {
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super("org.ethers.plugins.layer-one-connection");
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defineProperties<LayerOneConnectionPlugin>(this, { provider });
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}
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clone(): LayerOneConnectionPlugin {
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return new LayerOneConnectionPlugin(this.provider);
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}
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}
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*/
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const Networks = new Map();
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/**
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* A **Network** provides access to a chain's properties and allows
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* for plug-ins to extend functionality.
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*/
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class Network {
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#name;
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#chainId;
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#plugins;
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/**
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* Creates a new **Network** for %%name%% and %%chainId%%.
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*/
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constructor(name, chainId) {
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this.#name = name;
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this.#chainId = (0, index_js_2.getBigInt)(chainId);
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this.#plugins = new Map();
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}
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/**
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* Returns a JSON-compatible representation of a Network.
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*/
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toJSON() {
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return { name: this.name, chainId: String(this.chainId) };
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}
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/**
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* The network common name.
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*
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* This is the canonical name, as networks migh have multiple
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* names.
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*/
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get name() { return this.#name; }
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set name(value) { this.#name = value; }
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/**
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* The network chain ID.
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*/
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get chainId() { return this.#chainId; }
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set chainId(value) { this.#chainId = (0, index_js_2.getBigInt)(value, "chainId"); }
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/**
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* Returns true if %%other%% matches this network. Any chain ID
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* must match, and if no chain ID is present, the name must match.
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*
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* This method does not currently check for additional properties,
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* such as ENS address or plug-in compatibility.
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*/
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matches(other) {
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if (other == null) {
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return false;
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}
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if (typeof (other) === "string") {
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try {
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return (this.chainId === (0, index_js_2.getBigInt)(other));
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}
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catch (error) { }
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return (this.name === other);
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}
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if (typeof (other) === "number" || typeof (other) === "bigint") {
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try {
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return (this.chainId === (0, index_js_2.getBigInt)(other));
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}
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catch (error) { }
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return false;
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}
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if (typeof (other) === "object") {
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if (other.chainId != null) {
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try {
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return (this.chainId === (0, index_js_2.getBigInt)(other.chainId));
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}
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catch (error) { }
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return false;
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}
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if (other.name != null) {
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return (this.name === other.name);
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}
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return false;
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}
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return false;
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}
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/**
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* Returns the list of plugins currently attached to this Network.
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*/
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get plugins() {
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return Array.from(this.#plugins.values());
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}
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/**
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* Attach a new %%plugin%% to this Network. The network name
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* must be unique, excluding any fragment.
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*/
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attachPlugin(plugin) {
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if (this.#plugins.get(plugin.name)) {
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throw new Error(`cannot replace existing plugin: ${plugin.name} `);
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}
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this.#plugins.set(plugin.name, plugin.clone());
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return this;
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}
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/**
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* Return the plugin, if any, matching %%name%% exactly. Plugins
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* with fragments will not be returned unless %%name%% includes
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* a fragment.
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*/
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getPlugin(name) {
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return (this.#plugins.get(name)) || null;
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}
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/**
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* Gets a list of all plugins that match %%name%%, with otr without
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* a fragment.
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*/
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getPlugins(basename) {
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return (this.plugins.filter((p) => (p.name.split("#")[0] === basename)));
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}
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/**
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* Create a copy of this Network.
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*/
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clone() {
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const clone = new Network(this.name, this.chainId);
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this.plugins.forEach((plugin) => {
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clone.attachPlugin(plugin.clone());
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});
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return clone;
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}
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/**
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* Compute the intrinsic gas required for a transaction.
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*
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* A GasCostPlugin can be attached to override the default
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* values.
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*/
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computeIntrinsicGas(tx) {
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const costs = this.getPlugin("org.ethers.plugins.network.GasCost") || (new plugins_network_js_1.GasCostPlugin());
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let gas = costs.txBase;
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if (tx.to == null) {
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gas += costs.txCreate;
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}
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if (tx.data) {
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for (let i = 2; i < tx.data.length; i += 2) {
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if (tx.data.substring(i, i + 2) === "00") {
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gas += costs.txDataZero;
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}
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else {
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gas += costs.txDataNonzero;
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}
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}
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}
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if (tx.accessList) {
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const accessList = (0, index_js_1.accessListify)(tx.accessList);
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for (const addr in accessList) {
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gas += costs.txAccessListAddress + costs.txAccessListStorageKey * accessList[addr].storageKeys.length;
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}
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}
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return gas;
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}
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/**
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* Returns a new Network for the %%network%% name or chainId.
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*/
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static from(network) {
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injectCommonNetworks();
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// Default network
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if (network == null) {
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return Network.from("mainnet");
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}
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// Canonical name or chain ID
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if (typeof (network) === "number") {
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network = BigInt(network);
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}
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if (typeof (network) === "string" || typeof (network) === "bigint") {
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const networkFunc = Networks.get(network);
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if (networkFunc) {
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return networkFunc();
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}
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if (typeof (network) === "bigint") {
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return new Network("unknown", network);
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}
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(0, index_js_2.assertArgument)(false, "unknown network", "network", network);
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}
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// Clonable with network-like abilities
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if (typeof (network.clone) === "function") {
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const clone = network.clone();
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//if (typeof(network.name) !== "string" || typeof(network.chainId) !== "number") {
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//}
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return clone;
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}
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// Networkish
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if (typeof (network) === "object") {
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(0, index_js_2.assertArgument)(typeof (network.name) === "string" && typeof (network.chainId) === "number", "invalid network object name or chainId", "network", network);
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const custom = new Network((network.name), (network.chainId));
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if (network.ensAddress || network.ensNetwork != null) {
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custom.attachPlugin(new plugins_network_js_1.EnsPlugin(network.ensAddress, network.ensNetwork));
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}
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//if ((<any>network).layerOneConnection) {
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// custom.attachPlugin(new LayerOneConnectionPlugin((<any>network).layerOneConnection));
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//}
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return custom;
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}
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(0, index_js_2.assertArgument)(false, "invalid network", "network", network);
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}
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/**
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* Register %%nameOrChainId%% with a function which returns
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* an instance of a Network representing that chain.
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*/
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static register(nameOrChainId, networkFunc) {
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if (typeof (nameOrChainId) === "number") {
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nameOrChainId = BigInt(nameOrChainId);
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}
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const existing = Networks.get(nameOrChainId);
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if (existing) {
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(0, index_js_2.assertArgument)(false, `conflicting network for ${JSON.stringify(existing.name)}`, "nameOrChainId", nameOrChainId);
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}
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Networks.set(nameOrChainId, networkFunc);
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}
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}
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exports.Network = Network;
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// We don't want to bring in formatUnits because it is backed by
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// FixedNumber and we want to keep Networks tiny. The values
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// included by the Gas Stations are also IEEE 754 with lots of
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// rounding issues and exceed the strict checks formatUnits has.
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function parseUnits(_value, decimals) {
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const value = String(_value);
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if (!value.match(/^[0-9.]+$/)) {
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throw new Error(`invalid gwei value: ${_value}`);
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}
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// Break into [ whole, fraction ]
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const comps = value.split(".");
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if (comps.length === 1) {
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comps.push("");
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}
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// More than 1 decimal point or too many fractional positions
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if (comps.length !== 2) {
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throw new Error(`invalid gwei value: ${_value}`);
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}
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// Pad the fraction to 9 decimalplaces
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while (comps[1].length < decimals) {
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comps[1] += "0";
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}
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// Too many decimals and some non-zero ending, take the ceiling
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if (comps[1].length > 9) {
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let frac = BigInt(comps[1].substring(0, 9));
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if (!comps[1].substring(9).match(/^0+$/)) {
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frac++;
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}
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comps[1] = frac.toString();
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}
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return BigInt(comps[0] + comps[1]);
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}
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// Used by Polygon to use a gas station for fee data
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function getGasStationPlugin(url) {
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return new plugins_network_js_1.FetchUrlFeeDataNetworkPlugin(url, async (fetchFeeData, provider, request) => {
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// Prevent Cloudflare from blocking our request in node.js
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request.setHeader("User-Agent", "ethers");
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let response;
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try {
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const [_response, _feeData] = await Promise.all([
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request.send(), fetchFeeData()
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]);
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response = _response;
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const payload = response.bodyJson.standard;
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const feeData = {
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gasPrice: _feeData.gasPrice,
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maxFeePerGas: parseUnits(payload.maxFee, 9),
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maxPriorityFeePerGas: parseUnits(payload.maxPriorityFee, 9),
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};
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return feeData;
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}
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catch (error) {
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(0, index_js_2.assert)(false, `error encountered with polygon gas station (${JSON.stringify(request.url)})`, "SERVER_ERROR", { request, response, error });
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}
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});
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}
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// See: https://chainlist.org
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let injected = false;
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function injectCommonNetworks() {
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if (injected) {
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return;
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}
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injected = true;
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/// Register popular Ethereum networks
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function registerEth(name, chainId, options) {
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const func = function () {
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const network = new Network(name, chainId);
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// We use 0 to disable ENS
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if (options.ensNetwork != null) {
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network.attachPlugin(new plugins_network_js_1.EnsPlugin(null, options.ensNetwork));
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}
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network.attachPlugin(new plugins_network_js_1.GasCostPlugin());
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(options.plugins || []).forEach((plugin) => {
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network.attachPlugin(plugin);
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});
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return network;
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};
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// Register the network by name and chain ID
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Network.register(name, func);
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Network.register(chainId, func);
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if (options.altNames) {
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options.altNames.forEach((name) => {
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Network.register(name, func);
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});
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}
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}
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registerEth("mainnet", 1, { ensNetwork: 1, altNames: ["homestead"] });
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registerEth("ropsten", 3, { ensNetwork: 3 });
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registerEth("rinkeby", 4, { ensNetwork: 4 });
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registerEth("goerli", 5, { ensNetwork: 5 });
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registerEth("kovan", 42, { ensNetwork: 42 });
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registerEth("sepolia", 11155111, { ensNetwork: 11155111 });
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registerEth("classic", 61, {});
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registerEth("classicKotti", 6, {});
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registerEth("arbitrum", 42161, {
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ensNetwork: 1,
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});
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registerEth("arbitrum-goerli", 421613, {});
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registerEth("base", 8453, { ensNetwork: 1 });
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registerEth("base-goerli", 84531, {});
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registerEth("base-sepolia", 84532, {});
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registerEth("bnb", 56, { ensNetwork: 1 });
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registerEth("bnbt", 97, {});
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registerEth("linea", 59144, { ensNetwork: 1 });
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registerEth("linea-goerli", 59140, {});
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registerEth("matic", 137, {
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ensNetwork: 1,
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plugins: [
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getGasStationPlugin("https:/\/gasstation.polygon.technology/v2")
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]
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});
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registerEth("matic-mumbai", 80001, {
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altNames: ["maticMumbai", "maticmum"],
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plugins: [
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getGasStationPlugin("https:/\/gasstation-testnet.polygon.technology/v2")
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]
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});
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registerEth("optimism", 10, {
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ensNetwork: 1,
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plugins: []
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});
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registerEth("optimism-goerli", 420, {});
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registerEth("xdai", 100, { ensNetwork: 1 });
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}
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//# sourceMappingURL=network.js.map
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