emmet.sdk/utils/evm/switchEvmChain.js

Emmet.Bridge SDK library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.switchEvmChain = void 0;
const chains_1 = require("../../chains");
const format_1 = require("../format");
const detectEthereumProvider_1 = require("./detectEthereumProvider");
async function switchEvmChain(chainName) {
    const formattedName = (0, format_1.formatChainName)(chainName);
    const newChain = chains_1.ALL_CHAINS[formattedName];
    const chainId = `0x${newChain.id.toString(16)}`;
    const ethereum = await (0, detectEthereumProvider_1.detectEthereumProvider)();
    try {
        await ethereum.request({
            method: 'wallet_switchEthereumChain',
            params: [{ chainId }],
        });
    }
    catch (switchError) {
        if (switchError && switchError.code === 4902) {
            try {
                await ethereum.request({
                    method: 'wallet_addEthereumChain',
                    params: [
                        {
                            chainId: newChain.id,
                            chainName: newChain.name,
                            rpcUrls: newChain.rpcUrls,
                            nativeCurrency: newChain.nativeCurrency
                        },
                    ],
                });
            }
            catch (addError) {
                if (addError.code === 4001) {
                    console.error("User rejected chain addition.");
                }
                else {
                    console.error("Failed to add new chain:", addError);
                }
            }
        }
    }
}
exports.switchEvmChain = switchEvmChain;
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