spb/os-vault Public

1import WalletCoreC2import Foundation3// SPDX-License-Identifier: Apache-2.04//5// Copyright © 2017 Trust Wallet.6//7// This is a GENERATED FILE, changes made here WILL BE LOST.8//910import Foundation1112/// Tron message signing and verification.13///14/// Tron and some other wallets support a message signing & verification format, to create a proof (a signature)15/// that someone has access to the private keys of a specific address.16public struct TronMessageSigner {1718    /// Sign a message.19    ///20    /// - Parameter privateKey:: the private key used for signing21    /// - Parameter message:: A custom message which is input to the signing.22    /// - Returns:s the signature, Hex-encoded. On invalid input empty string is returned. Returned object needs to be deleted after use.23    public static func signMessage(privateKey: PrivateKey, message: String) -> String {24        let messageString = TWStringCreateWithNSString(message)25        defer {26            TWStringDelete(messageString)27        }28        return TWStringNSString(TWTronMessageSignerSignMessage(privateKey.rawValue, messageString))29    }3031    /// Verify signature for a message.32    ///33    /// - Parameter pubKey:: pubKey that will verify and recover the message from the signature34    /// - Parameter message:: the message signed (without prefix)35    /// - Parameter signature:: in Hex-encoded form.36    /// - Returns:s false on any invalid input (does not throw), true if the message can be recovered from the signature37    public static func verifyMessage(pubKey: PublicKey, message: String, signature: String) -> Bool {38        let messageString = TWStringCreateWithNSString(message)39        defer {40            TWStringDelete(messageString)41        }42        let signatureString = TWStringCreateWithNSString(signature)43        defer {44            TWStringDelete(signatureString)45        }46        return TWTronMessageSignerVerifyMessage(pubKey.rawValue, messageString, signatureString)47    }484950    init() {51    }525354}55