public static ExternalAccount BuildExternalSigner(ILogger log, string KeyVaultURI)
{
var azureServiceTokenProvider = new AzureServiceTokenProvider();
var keyVaultClient = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(azureServiceTokenProvider.KeyVaultTokenCallback));
try{
var signer = new AzureKeyVaultExternalSigner(keyVaultClient, KeyVaultURI);
var address = signer.GetAddressAsync();
log.LogInformation("Signer Address: " + address);
return(new ExternalAccount(signer));
}
catch (Exception e) {
log.LogInformation(e.Message);
Console.WriteLine(e.Message);
return(null);
}
}
static void Main(string[] args)
{
KeyVaultClient kvc = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(GetToken));
var signer = new AzureKeyVaultExternalSigner(kvc, URI);
var publicKey = signer.GetPublicKeyAsync().Result;
System.Console.WriteLine(publicKey.ToHex());
var msgHash = new Util.Sha3Keccack().CalculateHash("Hello").HexToByteArray();
var ethExternalSigner = new EthECKeyExternalSigner(signer);
var signature = ethExternalSigner.SignAndCalculateVAsync(msgHash).Result;
var publicKeyRecovered = EthECKey.RecoverFromSignature(signature, msgHash);
System.Console.WriteLine(publicKeyRecovered.GetPubKey().ToHex());
var transfer = new TransferFunction();
transfer.To = "0x1996a57077877D38e18A1BE44A55100D77b8fA1D";
transfer.FromAddress = publicKeyRecovered.GetPublicAddress();
transfer.Value = 1;
transfer.Nonce = 1;
transfer.GasPrice = 100;
transfer.Gas = 1000;
var rpcClient = new RpcClient(new Uri("http://localhost:8545"));
var transactionInput = transfer.CreateTransactionInput("0x12890d2cce102216644c59daE5baed380d84830c");
var externalAccount = new ExternalAccount(ethExternalSigner, 1);
externalAccount.InitialiseAsync().Wait();
externalAccount.InitialiseDefaultTransactionManager(rpcClient);
var signature2 = externalAccount.TransactionManager.SignTransactionAsync(transactionInput).Result;
var transactionSigner = new TransactionSigner();
var publicKeyRecovered2 = transactionSigner.GetPublicKey(signature2, 1);
System.Console.WriteLine(publicKeyRecovered2.ToHex());
System.Console.ReadLine();
}
public static async Task <ExternalAccount> BuildExternalSignerWithToken(ILogger log, string KeyVaultURI, string appID, string appSecret)
{
APP_ID = appID;
APP_SECRET = appSecret;
var keyVaultClient = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(GetToken));
try{
var signer = new AzureKeyVaultExternalSigner(keyVaultClient, KeyVaultURI);
var address = await signer.GetAddressAsync();
Console.WriteLine("Signer Address: " + address);
return(new ExternalAccount(signer));
}
catch (Exception e) {
log.LogInformation(e.Message);
Console.WriteLine(e.Message);
return(null);
}
}
static void Main(string[] args)
{
//var credential = new DefaultAzureCredential(
// new DefaultAzureCredentialOptions
// {
// //VisualStudioTenantId = TENANT_ID,
// //VisualStudioCodeTenantId = TENANT_ID,
// });
var credential = new ClientSecretCredential(TENANT_ID, APP_ID, APP_PASSWORD);
var signer = new AzureKeyVaultExternalSigner(KEY_NAME, URI, credential);
var address = signer.GetAddressAsync().Result;
System.Console.WriteLine(address);
var msgHash = new Util.Sha3Keccack().CalculateHash("Hello").HexToByteArray();
var signature = signer.SignAsync(msgHash).Result;
var publicKeyRecovered = EthECKey.RecoverFromSignature(signature, msgHash);
System.Console.WriteLine(publicKeyRecovered.GetPubKey().ToHex());
var transfer = new TransferFunction();
transfer.To = "0x1996a57077877D38e18A1BE44A55100D77b8fA1D";
transfer.FromAddress = publicKeyRecovered.GetPublicAddress();
transfer.Value = 1;
transfer.Nonce = 1;
transfer.GasPrice = 100;
transfer.Gas = 1000;
var rpcClient = new RpcClient(new Uri("http://localhost:8545"));
var transactionInput = transfer.CreateTransactionInput("0x12890d2cce102216644c59daE5baed380d84830c");
var externalAccount = new ExternalAccount(signer, 1);
externalAccount.InitialiseAsync().Wait();
externalAccount.InitialiseDefaultTransactionManager(rpcClient);
var signature2 = externalAccount.TransactionManager.SignTransactionAsync(transactionInput).Result;
var publicKeyRecovered2 = TransactionVerificationAndRecovery.GetPublicKey(signature2);
var transactionFromSignature = TransactionFactory.CreateTransaction(signature2);
System.Console.WriteLine("Recovered public key");
System.Console.WriteLine(publicKeyRecovered2.ToHex());
System.Console.WriteLine("Recovered transaction Type");
System.Console.WriteLine(transactionFromSignature.TransactionType.ToString());
System.Console.WriteLine("Signing EIP1559");
var transferEip1559 = new TransferFunction();
transferEip1559.To = "0x1996a57077877D38e18A1BE44A55100D77b8fA1D";
transferEip1559.FromAddress = publicKeyRecovered.GetPublicAddress();
transferEip1559.Value = 1;
transferEip1559.Nonce = 1;
transferEip1559.MaxFeePerGas = 1000;
transferEip1559.MaxPriorityFeePerGas = 999;
transferEip1559.Gas = 1000;
var transactionInputEip1559 = transferEip1559.CreateTransactionInput("0x12890d2cce102216644c59daE5baed380d84830c");
var signature3 = externalAccount.TransactionManager.SignTransactionAsync(transactionInputEip1559).Result;
var publicKeyRecovered3 = TransactionVerificationAndRecovery.GetPublicKey(signature3);
var transactionFromSignatureEIP1559 = TransactionFactory.CreateTransaction(signature3);
System.Console.WriteLine("Recovered public key");
System.Console.WriteLine(publicKeyRecovered3.ToHex());
System.Console.WriteLine("Recovered transaction Type");
System.Console.WriteLine(transactionFromSignatureEIP1559.TransactionType.ToString());
System.Console.ReadLine();
}
