// Copyright (c) 2018-2023 Coinbase, Inc. <https://www.coinbase.com/>
// Licensed under the Apache License, version 2.0

export type JSONRPCMethod =
  // synchronous or asynchronous
  | 'eth_accounts'
  | 'eth_coinbase'
  | 'net_version'
  | 'eth_chainId'
  | 'eth_uninstallFilter' // synchronous

  // asynchronous only
  | 'eth_requestAccounts'
  | 'eth_sign'
  | 'eth_ecRecover'
  | 'personal_sign'
  | 'personal_ecRecover'
  | 'eth_signTransaction'
  | 'eth_sendRawTransaction'
  | 'eth_sendTransaction'
  | 'eth_signTypedData_v1'
  | 'eth_signTypedData_v2'
  | 'eth_signTypedData_v3'
  | 'eth_signTypedData_v4'
  | 'eth_signTypedData'
  | 'walletlink_arbitrary' // compatibility
  | 'wallet_addEthereumChain'
  | 'wallet_switchEthereumChain'
  | 'wallet_watchAsset'

  // asynchronous pub/sub
  | 'eth_subscribe'
  | 'eth_unsubscribe'

  // asynchronous filter methods
  | 'eth_newFilter'
  | 'eth_newBlockFilter'
  | 'eth_newPendingTransactionFilter'
  | 'eth_getFilterChanges'
  | 'eth_getFilterLogs';

export interface JSONRPCRequest<T = any> {
  jsonrpc: '2.0';
  id: number;
  method: string;
  params: T;
}

export interface JSONRPCResponse<T = any, U = any> {
  jsonrpc: '2.0';
  id: number;
  result?: T;
  error?: {
    code: number;
    message: string;
    data?: U;
  } | null;
}