WalletConnect Swift SDK, implements 1.0.0 websocket based protocol.

Demo video:

How to Use WalletConnect to Trade on Binance DEX


  • Connect and disconnect

  • Approve / Reject / Kill session

  • Approve and reject ethereum transactions eth_sign / personal_sign / eth_sendTransaction

  • Approve and reject binance dex orders bnb_sign

  • Sign Transactions trust_sign (full documentation here)


To run the example project, clone the repo, and run pod install from the Example directory first.


WalletConnect is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'WalletConnect', git: 'git@github.com:trustwallet/wallet-connect-swift.git', branch: 'master'


parse session from scanned QR code:

let string = "wc:..."
guard let session = WCSession.from(string: string) else {
// invalid session
// handle session

configure and handle incoming message:

let interactor = WCInteractor(session: session, meta: clientMeta)
interactor.onSessionRequest = { [weak self] (id, peer) in
// ask for user consent
interactor.onDisconnect = { [weak self] (error) in
// handle disconnect
interactor.onEthSign = { [weak self] (id, params) in
// handle eth_sign and personal_sign
interactor.onEthSendTransaction = { [weak self] (id, transaction) in
// handle eth_sendTransaction
interactor.onBnbSign = { [weak self] (id, order) in
// handle bnb_sign
interactor.onTrustSignTransaction = { [weak self] (id, transaction) in
// handle trust_signTransaction

approve session

interactor.approveSession(accounts: accounts, chainId: chainId).done {
print("<== approveSession done")

approve request

interactor.approveRequest(id: id, result: result.hexString).done {
print("<== approveRequest done")

approve binance dex orders

interactor?.approveBnbOrder(id: id, signed: signed).done({ confirm in
print("<== approveBnbOrder", confirm)




WalletConnect is available under the MIT license. See the LICENSE file for more info.