@web3auth/no-modal/dist/lib.esm/providers/xrpl-provider/rpc/xrplRpcMiddlewares.js

Multi chain wallet aggregator for web3Auth

import { randomId } from '@toruslabs/base-controllers';
import { createScaffoldMiddlewareV2, JRPCEngineV2, rpcErrors } from '@web3auth/auth';

const RPC_METHODS = {
  GET_ACCOUNTS: "xrpl_getAccounts",
  GET_KEY_PAIR: "xrpl_getKeyPair",
  GET_PUBLIC_KEY: "xrpl_getPublicKey",
  SIGN_MESSAGE: "xrpl_signMessage",
  SIGN_TRANSACTION: "xrpl_signTransaction",
  SUBMIT_TRANSACTION: "xrpl_submitTransaction",
  SWITCH_CHAIN: "xrpl_switchChain",
  CHAIN_ID: "xrpl_chainId",
  PROVIDER_CHAIN_CONFIG: "xrpl_providerChainConfig"
};
/** Normalizes request.id for XRPL servers that don't support large IDs from fetch middleware. */
function createRequestIdNormalizerMiddleware() {
  return ({
    request,
    next
  }) => {
    request.id = randomId();
    return next(request);
  };
}
function createXRPLMiddleware(providerHandlers) {
  const {
    getAccounts,
    submitTransaction,
    signTransaction,
    signMessage,
    getKeyPair,
    getPublicKey
  } = providerHandlers;
  const scaffold = createScaffoldMiddlewareV2({
    [RPC_METHODS.GET_ACCOUNTS]: params => {
      if (!getAccounts) throw new Error("WalletMiddleware - opts.getAccounts not provided");
      return getAccounts(params.request);
    },
    [RPC_METHODS.SIGN_TRANSACTION]: params => {
      return signTransaction(params.request);
    },
    [RPC_METHODS.SUBMIT_TRANSACTION]: params => {
      return submitTransaction(params.request);
    },
    [RPC_METHODS.SIGN_MESSAGE]: params => {
      return signMessage(params.request);
    },
    [RPC_METHODS.GET_KEY_PAIR]: params => {
      return getKeyPair(params.request);
    },
    [RPC_METHODS.GET_PUBLIC_KEY]: params => {
      return getPublicKey(params.request);
    }
  });
  const engine = JRPCEngineV2.create({
    middleware: [createRequestIdNormalizerMiddleware(), scaffold]
  });
  return engine.asMiddleware();
}
function creatXrplChainSwitchMiddleware(switchChain) {
  async function switchChainHandler(params) {
    const req = params.request;
    if (!req.params) throw rpcErrors.invalidParams("Missing request params");
    if (!req.params.chainId) throw rpcErrors.invalidParams("Missing chainId");
    await switchChain({
      chainId: req.params.chainId
    });
    return undefined;
  }
  return createScaffoldMiddlewareV2({
    [RPC_METHODS.SWITCH_CHAIN]: switchChainHandler
  });
}

export { RPC_METHODS, creatXrplChainSwitchMiddleware, createXRPLMiddleware };