TheGame/packages/web/utils/metamask.ts

import { NETWORK_INFO } from '#utils/networks';

import { errorHandler } from './errorHandler';

export const switchChain = async (chainId: string): Promise<boolean> => {
  if (!NETWORK_INFO[chainId]) {
    console.error(`No network configuration found for chainId: ${chainId}.`);
    return false;
  }
  
  const { name, symbol, explorer, rpc } = NETWORK_INFO[chainId];

  try {
    // await window.ethereum.request({
    //   method: 'wallet_switchEthereumChain',
    //   params: [{ chainId }],
    // });
    return true;
  } catch (switchError) {
    // This error code indicates that the chain has not been added to MetaMask.
    if ((switchError as { code?: number }).code === 4902) {
      try {
        // await window.ethereum.request({
        //   method: 'wallet_addEthereumChain',
        //   params: [
        //     {
        //       chainId,
        //       chainName: name,
        //       nativeCurrency: {
        //         name: symbol,
        //         symbol,
        //         decimals: 18,
        //       },
        //       rpcUrls: [rpc],
        //       blockExplorerUrls: [explorer],
        //     },
        //   ],
        // });
        return true;
      } catch (addError) {
        console.error(`Unable to add chainId: ${chainId}.`, addError);
        errorHandler(addError as Error);
      }
    } else {
      console.error(`Unable to switch to chainId: ${chainId}.`, switchError);
      errorHandler(switchError as Error);
    }
  }
  return false;
};

// ensure that we are on the right chain when calling this method.
export const addTokenToMetamask = async ({
  address,
  symbol,
  decimals,
}: {
  address: string;
  symbol: string;
  decimals: number;
}): Promise<boolean> => 
  // try {
  //   await window.ethereum.request({
  //     method: 'wallet_watchAsset',
  //     params: {
  //       type: 'ERC20',
  //       options: {
  //         address,
  //         symbol,
  //         decimals,
  //       },
  //     },
  //   });
  //   return true;
  // } catch (addError) {
  //   console.error(`Unable to add token: ${symbol}.`, addError);
  //   errorHandler(addError as Error);
  // }
   false
;