WalletConnect 連携

import { WcTransport, EthereumApp, DEFAULT_ETH_PATH } from '@openloop/sdk-core'
import SignClient from '@walletconnect/sign-client'

// WalletConnect SignClient を初期化
const client = await SignClient.init({
  projectId: 'your-project-id',
})

// ペアリングとセッション確立
const { uri, approval } = await client.connect({
  requiredNamespaces: {
    eip155: {
      methods: ['openloop_exchange', 'openloop_lock', 'openloop_unlock'],
      chains: ['eip155:1'],
      events: [],
    },
  },
})

// URI を QR コードで表示 → ユーザーが Openloop Connect でスキャン
console.log('Pairing URI:', uri)

// セッション承認を待つ
const session = await approval()

// WcTransport 作成
const transport = new WcTransport({
  client,
  session: { topic: session.topic },
  chainId: 'eip155:1', // オプション（デフォルト: 'eip155:1'）
})

await transport.open()

// 通常の App クラスがそのまま使える
const eth = new EthereumApp(transport)
const { address } = await eth.getAddress(DEFAULT_ETH_PATH)

interface WcTransportOptions {
  client: IWcSignClient   // WalletConnect SignClient インスタンス
  session: WcSession       // アクティブセッション { topic: string }
  chainId?: string         // チェーン ID（デフォルト: "eip155:1"）
}

interface IWcSignClient {
  request<T>(params: {
    topic: string
    chainId: string
    request: { method: string; params: unknown }
  }): Promise<T>
}

interface WcSession {
  topic: string
}

import { createAppKit } from '@reown/appkit/react'
import { WagmiAdapter } from '@reown/appkit-adapter-wagmi'
import { SolanaAdapter } from '@reown/appkit-adapter-solana'
import { BitcoinAdapter } from '@reown/appkit-adapter-bitcoin'
import { TronAdapter } from '@reown/appkit-adapter-tron'
import { mainnet, sepolia } from '@reown/appkit/networks'

const projectId = 'your-walletconnect-project-id'

// アダプター作成
const wagmiAdapter = new WagmiAdapter({ projectId, networks: [mainnet, sepolia] })
const solanaAdapter = new SolanaAdapter()
const bitcoinAdapter = new BitcoinAdapter()
const tronAdapter = new TronAdapter()

// AppKit 作成
const modal = createAppKit({
  projectId,
  adapters: [wagmiAdapter, solanaAdapter, bitcoinAdapter, tronAdapter],
  networks: [mainnet, sepolia],
  metadata: {
    name: 'My dApp',
    description: 'My dApp with Openloop',
    url: 'https://my-dapp.com',
    icons: ['https://my-dapp.com/icon.png'],
  },
  customWallets: [
    {
      id: 'openloop-connect',
      name: 'Openloop Connect',
      homepage: 'https://crypto.haudi.jp/openloop/',
      mobile_link: 'openloop://',
      desktop_link: 'openloop://',
      image_url: 'https://crypto.haudi.jp/openloop/images/logo/openloop-icon.png',
    },
  ],
})