@web3auth/no-modal/dist/lib.esm/providers/ethereum-provider/rpc/ethRpcMiddlewares.js

Multi chain wallet aggregator for web3Auth

import { createScaffoldMiddleware, createAsyncMiddleware, mergeMiddleware, rpcErrors } from '@web3auth/auth';
import { createWalletMiddleware } from './walletMidddleware.js';

function createEthMiddleware(providerHandlers) {
  const {
    getAccounts,
    getPrivateKey,
    getPublicKey,
    processTransaction,
    processSignTransaction,
    processEthSignMessage,
    processTypedMessageV4,
    processPersonalMessage,
    processGetCapabilities,
    processSendCalls,
    processGetCallsStatus,
    processShowCallsStatus
  } = providerHandlers;
  const ethMiddleware = mergeMiddleware([createScaffoldMiddleware({
    eth_syncing: false
  }), createWalletMiddleware({
    getAccounts,
    getPrivateKey,
    getPublicKey,
    processTransaction,
    processEthSignMessage,
    processSignTransaction,
    processTypedMessageV4,
    processPersonalMessage,
    processGetCapabilities,
    processSendCalls,
    processGetCallsStatus,
    processShowCallsStatus
  })]);
  return ethMiddleware;
}
function createEthChainSwitchMiddleware({
  switchChain,
  addChain
}) {
  async function updateChain(req, res) {
    var _req$params;
    const chainParams = (_req$params = req.params) !== null && _req$params !== void 0 && _req$params.length ? req.params[0] : undefined;
    if (!chainParams) throw rpcErrors.invalidParams("Missing chainId");
    res.result = await switchChain(chainParams);
  }
  async function addChainConfig(req, res) {
    var _req$params2;
    const chainConfig = (_req$params2 = req.params) !== null && _req$params2 !== void 0 && _req$params2.length ? req.params[0] : undefined;
    if (!chainConfig) throw rpcErrors.invalidParams("Missing chainConfig");
    res.result = await addChain(chainConfig);
  }
  return createScaffoldMiddleware({
    wallet_switchEthereumChain: createAsyncMiddleware(updateChain),
    wallet_addEthereumChain: createAsyncMiddleware(addChainConfig)
  });
}

export { createEthChainSwitchMiddleware, createEthMiddleware };