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Connect to dapps with browser wallet
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Mixin/Assets.xcassets/unknown_session.imageset/Contents.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| { | ||
| "images" : [ | ||
| { | ||
| "idiom" : "universal", | ||
| "scale" : "1x" | ||
| }, | ||
| { | ||
| "filename" : "[email protected]", | ||
| "idiom" : "universal", | ||
| "scale" : "2x" | ||
| }, | ||
| { | ||
| "filename" : "[email protected]", | ||
| "idiom" : "universal", | ||
| "scale" : "3x" | ||
| } | ||
| ], | ||
| "info" : { | ||
| "author" : "xcode", | ||
| "version" : 1 | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| import Foundation | ||
|
|
||
| struct Web3Proposer { | ||
| let name: String | ||
| let host: String | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| import Foundation | ||
| import web3 | ||
| import Web3Wallet | ||
| import MixinServices | ||
|
|
||
| class Web3SignOperation { | ||
|
|
||
| enum State { | ||
| case pending | ||
| case signing | ||
| case signingFailed(Error) | ||
| case sending | ||
| case sendingFailed(Error) | ||
| case success | ||
| } | ||
|
|
||
| enum SigningError: Error { | ||
| case mismatchedAddress | ||
| } | ||
|
|
||
| let address: String | ||
| let proposer: Web3Proposer | ||
| let humanReadableMessage: String | ||
|
|
||
| fileprivate let signable: WalletConnectDecodedSigningRequest.Signable | ||
|
|
||
| @Published | ||
| fileprivate(set) var state: State = .pending | ||
|
|
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| fileprivate var signature: String? | ||
| fileprivate var hasSignatureSent = false | ||
|
|
||
| fileprivate init( | ||
| address: String, | ||
| proposer: Web3Proposer, | ||
| humanReadableMessage: String, | ||
| signable: WalletConnectDecodedSigningRequest.Signable | ||
| ) { | ||
| self.address = address | ||
| self.proposer = proposer | ||
| self.humanReadableMessage = humanReadableMessage | ||
| self.signable = signable | ||
| } | ||
|
|
||
| func start(with pin: String) { | ||
| state = .signing | ||
| Task.detached { [signable] in | ||
| Logger.web3.info(category: "Sign", message: "Will sign") | ||
| let signature: String | ||
| do { | ||
| let priv = try await TIP.web3WalletPrivateKey(pin: pin) | ||
| let keyStorage = InPlaceKeyStorage(raw: priv) | ||
| let account = try EthereumAccount(keyStorage: keyStorage) | ||
| signature = switch signable { | ||
| case .raw(let data): | ||
| try account.signMessage(message: data) | ||
| case .typed(let data): | ||
| try account.signMessage(message: data) | ||
| } | ||
| } catch { | ||
| Logger.web3.error(category: "Sign", message: "Failed to sign: \(error)") | ||
| await MainActor.run { | ||
| self.state = .signingFailed(error) | ||
| } | ||
| return | ||
| } | ||
| Logger.web3.info(category: "Sign", message: "Will send") | ||
| await MainActor.run { | ||
| self.signature = signature | ||
| self.state = .sending | ||
| } | ||
| await self.send(signature: signature) | ||
| } | ||
| } | ||
|
|
||
| func reject() { | ||
| assertionFailure("Must override") | ||
| } | ||
|
|
||
| func rejectRequestIfSignatureNotSent() { | ||
| guard !hasSignatureSent else { | ||
| return | ||
| } | ||
| Logger.web3.info(category: "Sign", message: "Rejected by dismissing") | ||
| reject() | ||
| } | ||
|
|
||
| @objc func resendSignature(_ sender: Any) { | ||
| guard let signature else { | ||
| return | ||
| } | ||
| state = .sending | ||
| Logger.web3.info(category: "Sign", message: "Will resend") | ||
| Task.detached { | ||
| await self.send(signature: signature) | ||
| } | ||
| } | ||
|
|
||
| fileprivate func send(signature: String) async { | ||
| assertionFailure("Must override") | ||
| } | ||
|
|
||
| } | ||
|
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| final class Web3SignWithWalletConnectOperation: Web3SignOperation { | ||
|
|
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| let session: WalletConnectSession | ||
| let request: WalletConnectDecodedSigningRequest | ||
|
|
||
| init( | ||
| address: String, | ||
| session: WalletConnectSession, | ||
| request: WalletConnectDecodedSigningRequest | ||
| ) { | ||
| self.session = session | ||
| self.request = request | ||
| let proposer = Web3Proposer(name: session.name, host: session.host) | ||
| super.init(address: address, | ||
| proposer: proposer, | ||
| humanReadableMessage: request.humanReadable, | ||
| signable: request.signable) | ||
| } | ||
|
|
||
| override func start(with pin: String) { | ||
| guard address.lowercased() == request.address.lowercased() else { | ||
| Logger.web3.error(category: "Sign", message: "Mismatched Address") | ||
| state = .signingFailed(SigningError.mismatchedAddress) | ||
| return | ||
| } | ||
| super.start(with: pin) | ||
| } | ||
|
|
||
| override func send(signature: String) async { | ||
| do { | ||
| let response = RPCResult.response(AnyCodable(signature)) | ||
| try await Web3Wallet.instance.respond(topic: request.raw.topic, | ||
| requestId: request.raw.id, | ||
| response: response) | ||
| Logger.web3.info(category: "Sign", message: "Signature sent") | ||
| await MainActor.run { | ||
| self.state = .success | ||
| self.hasSignatureSent = true | ||
| } | ||
| } catch { | ||
| Logger.web3.error(category: "Sign", message: "Failed to send: \(error)") | ||
| await MainActor.run { | ||
| self.state = .sendingFailed(error) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override func reject() { | ||
| Task { | ||
| let error = JSONRPCError(code: 0, message: "User Rejected") | ||
| try await Web3Wallet.instance.respond(topic: request.raw.topic, requestId: request.raw.id, response: .error(error)) | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
|
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| final class Web3SignWithBrowserWalletOperation: Web3SignOperation { | ||
|
|
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| private let sendImpl: ((String) async throws -> Void)? | ||
| private let rejectImpl: (() -> Void)? | ||
|
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||
| init( | ||
| address: String, | ||
| proposer: Web3Proposer, | ||
| humanReadableMessage: String, | ||
| signable: WalletConnectDecodedSigningRequest.Signable, | ||
| sendWith sendImpl: @escaping ((String) async throws -> Void), | ||
| rejectWith rejectImpl: @escaping (() -> Void) | ||
| ) { | ||
| self.sendImpl = sendImpl | ||
| self.rejectImpl = rejectImpl | ||
| super.init(address: address, | ||
| proposer: proposer, | ||
| humanReadableMessage: humanReadableMessage, | ||
| signable: signable) | ||
| } | ||
|
|
||
| override func send(signature: String) async { | ||
| do { | ||
| try await sendImpl?(signature) | ||
| Logger.web3.info(category: "Sign", message: "Signature sent") | ||
| await MainActor.run { | ||
| self.state = .success | ||
| self.hasSignatureSent = true | ||
| } | ||
| } catch { | ||
| Logger.web3.error(category: "Sign", message: "Failed to send: \(error)") | ||
| await MainActor.run { | ||
| self.state = .sendingFailed(error) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override func reject() { | ||
| rejectImpl?() | ||
| } | ||
|
|
||
| } |
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