Add TON WalletConnect support

Author: DRadmir

Features/WalletConnector/Sources/WalletConnector/Services/WalletConnectorSigner.swift

@@ -145,7 +145,7 @@ public final class WalletConnectorSigner: WalletConnectorSignable {
         switch transaction {
         case .ethereum:
             throw AnyError("Not supported yet")
-        case .solana(let transaction, let outputType), .sui(let transaction, let outputType):
+        case .solana(let transaction, let outputType), .sui(let transaction, let outputType), .ton(let transaction, let outputType):
             let transferData = buildTransferData(
                 chain: chain,
                 metadata: session.session.metadata,
@@ -207,7 +207,7 @@ public final class WalletConnectorSigner: WalletConnectorSignable {
             )
 
             return try await walletConnectorInteractor.sendTransaction(transferData: WCTransferData(tranferData: transferData, wallet: wallet))
-        case .solana(let transaction, let outputType), .sui(let transaction, let outputType):
+        case .solana(let transaction, let outputType), .sui(let transaction, let outputType), .ton(let transaction, let outputType):
             let transferData = buildTransferData(
                 chain: chain,
                 metadata: session.session.metadata,

Features/WalletConnector/Sources/WalletConnector/ViewModels/SignMessageSceneViewModel.swift

@@ -85,6 +85,11 @@ public final class SignMessageSceneViewModel {
             return
         }
 
+        if messageChain == .ton {
+            // TODO: implement ton_signData signing
+            throw AnyError("ton_signData is not supported yet")
+        }
+
         let hash: Data = decoder.hash()
         let signature = try await keystore.sign(hash: hash, wallet: payload.wallet, chain: payload.chain)
         let result = decoder.getResult(data: signature)

Packages/ChainServices/WalletConnectorService/Extensions/WalletConnectTransaction+ChainServices.swift

@@ -5,17 +5,16 @@ import enum Gemstone.WalletConnectTransaction
 import struct Gemstone.WcEthereumTransactionData
 import struct Gemstone.WcSolanaTransactionData
 import struct Gemstone.WcSuiTransactionData
+import struct Gemstone.WcTonTransactionData
 import Primitives
 
 extension WalletConnectTransaction {
     func map() -> WalletConnectorTransaction {
         switch self {
-        case .ethereum(let data):
-            return .ethereum(data.map())
-        case .solana(let data, let outputType):
-            return .solana(data.transaction, outputType.map())
-        case .sui(let data, let outputType):
-            return .sui(data.transaction, outputType.map())
+        case .ethereum(let data): .ethereum(data.map())
+        case .solana(let data, let outputType): .solana(data.transaction, outputType.map())
+        case .sui(let data, let outputType): .sui(data.transaction, outputType.map())
+        case .ton(let data, let outputType): .ton(data.messages, outputType.map())
         }
     }
 }

Packages/ChainServices/WalletConnectorService/WalletConnectorTransaction.swift

@@ -7,4 +7,5 @@ public enum WalletConnectorTransaction {
     case ethereum(WCEthereumTransaction)
     case solana(String, TransferDataOutputType)
     case sui(String, TransferDataOutputType)
+    case ton(String, TransferDataOutputType)
 }

Packages/Primitives/Sources/WalletConnect.swift

@@ -31,3 +31,17 @@ public struct WCEthereumTransaction: Codable, Equatable, Hashable, Sendable {
 		self.data = data
 	}
 }
+
+public struct WCTonMessage: Codable, Equatable, Hashable, Sendable {
+	public let address: String
+	public let amount: String
+	public let payload: String?
+	public let stateInit: String?
+
+	public init(address: String, amount: String, payload: String?, stateInit: String?) {
+		self.address = address
+		self.amount = amount
+		self.payload = payload
+		self.stateInit = stateInit
+	}
+}

Packages/Primitives/Sources/WalletConnector.swift

@@ -109,4 +109,6 @@ public enum WalletConnectionMethods: String, Codable, CaseIterable, Sendable {
 	case suiSignPersonalMessage = "sui_signPersonalMessage"
 	case suiSignTransaction = "sui_signTransaction"
 	case suiSignAndExecuteTransaction = "sui_signAndExecuteTransaction"
+	case tonSendMessage = "ton_sendMessage"
+	case tonSignData = "ton_signData"
 }

Packages/Signer/Sources/Chains/TonSigner.swift

@@ -66,6 +66,35 @@ public struct TonSigner: Signable {
         ]
     }
 
+    public func signData(input: SignerInput, privateKey: Data) throws -> String {
+        guard
+            case .generic(_, _, let extra) = input.type,
+            let data = extra.data
+        else {
+            throw AnyError("Invalid input data")
+        }
+
+        let messages = try JSONDecoder().decode([WCTonMessage].self, from: data)
+        let transfers = try messages.map { message -> TW_TheOpenNetwork_Proto_Transfer in
+            try TheOpenNetworkTransfer.with {
+                $0.dest = message.address
+                $0.amount = try BigInt.from(string: message.amount).serialize()
+                $0.mode = TheOpenNetworkSendMode.defaultMode()
+                $0.bounceable = true
+                if let payload = message.payload {
+                    $0.customPayload = payload
+                }
+            }
+        }
+
+        return try sign(
+            input: input,
+            messages: transfers,
+            coinType: input.coinType,
+            privateKey: privateKey
+        )
+    }
+
     private func expireAt() -> UInt32 {
         UInt32(Date.now.timeIntervalSince1970 + TimeInterval(600))
     }