near-ca-test
Version:
An SDK for controlling Ethereum Accounts from a Near Account.
107 lines (106 loc) • 4.14 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Network = void 0;
exports.isTestnet = isTestnet;
const viem_1 = require("viem");
const chains = __importStar(require("viem/chains"));
const constants_1 = require("./constants");
// Viem defaults are known to be unreliable.
const rpcOverrides = {
43114: "https://rpc.ankr.com/avalanche",
11155111: "https://ethereum-sepolia-rpc.publicnode.com",
};
// We support all networks exported by viem
const SUPPORTED_NETWORKS = createNetworkMap(Object.values(chains));
/**
* Leveraging Network Data provided from through viem
* This class makes all relevant network fields accessible dynamically by chain ID.
*/
class Network {
constructor({ name, rpcUrl, chainId, scanUrl, nativeCurrency, icon, }) {
const network = SUPPORTED_NETWORKS[chainId];
this.name = name;
this.rpcUrl = rpcUrl;
this.chainId = chainId;
this.scanUrl = scanUrl;
this.client = (0, viem_1.createPublicClient)({
transport: (0, viem_1.http)(network.rpcUrl),
});
this.testnet = network.testnet;
this.nativeCurrency = nativeCurrency;
this.icon = icon;
}
static fromChainId(chainId, options = {}) {
const networkFields = SUPPORTED_NETWORKS[chainId];
if (!networkFields) {
throw new Error(`Network with chainId ${chainId} is not supported.
Please reach out to the developers of https://github.com/bitteprotocol/near-ca`);
}
const mergedFields = {
...networkFields,
// Manual Settings.
rpcUrl: options.rpcUrl || networkFields.rpcUrl,
scanUrl: options.scanUrl || networkFields.scanUrl,
};
return new Network(mergedFields);
}
}
exports.Network = Network;
/// Dynamically generate network map accessible by chainId.
function createNetworkMap(supportedNetworks) {
const networkMap = {};
supportedNetworks.forEach((network) => {
const chainInfo = constants_1.CHAIN_INFO[network.id];
const icon = chainInfo?.icon || `/${network.nativeCurrency.symbol}.svg`;
networkMap[network.id] = {
name: network.name,
rpcUrl: rpcOverrides[network.id] || network.rpcUrls.default.http[0],
chainId: network.id,
scanUrl: network.blockExplorers?.default.url || "",
icon,
testnet: network.testnet || false,
nativeCurrency: {
...network.nativeCurrency,
wrappedAddress: chainInfo?.wrappedToken,
icon: chainInfo?.currencyIcon || icon,
},
};
});
return networkMap;
}
function isTestnet(chainId) {
return Network.fromChainId(chainId).testnet;
}