public static string GetKingAddressString()
{
if (KingAddress == null)
{
return(string.Empty);
}
return(HexByteConvertorExtensions.ToHex(KingAddress.ToArray(), prefix: true));
}
async void OnSaveWalletClicked(object sender, EventArgs e)
{
txtpwd.Text = txtpwd.Text.Trim();
if (txtpwd.Text.Trim() == "" || txtpwd.Text.Length < 8)
{
await DisplayAlert("Password Error!", "Password length cannot be less than 8", "OK");
return;
}
(sender as Button).IsEnabled = false;
try
{
bool answer = await DisplayAlert("Password Confirm!", "Password:"******"Yes", "No");
if (answer)
{
try
{
WalletInfo wi = new WalletInfo();
var ecKey = EthECKey.GenerateKey();
wi.PublicKey = HexByteConvertorExtensions.ToHex(ecKey.GetPubKey());
wi.PrivateKey = ecKey.GetPrivateKey();
wi.Address = ecKey.GetPublicAddress().ToLower();
var scryptService = new KeyStoreScryptService();
wi.FJson = scryptService.EncryptAndGenerateKeyStoreAsJson(txtpwd.Text, ecKey.GetPrivateKeyAsBytes()
, wi.Address.Replace("0x", ""), scryptParams);
await App.Wdb.SaveWalletAsync(wi);
txtpwd.Text = "";
WalletBind();
await DisplayAlert("Tips", "Success", "OK");
}
catch (Exception ex)
{
await DisplayAlert("Exception!", "Try again later " + ex.Message, "OK");
}
}
}
catch (Exception ex)
{
await DisplayAlert("Exception!", "Try again later " + ex.Message, "OK");
}
(sender as Button).IsEnabled = true;
}
private MiningParameters(string ethAddress,
Function getMiningDifficulty,
Function getMiningTarget,
Function getChallengeNumber)
{
EthAddress = ethAddress;
bool success = false;
while (!success)
{
var exceptions = new List <System.AggregateException>();
try
{
Task.WaitAll(new Task[]
{
Task.Factory.StartNew(() =>
{
try { MiningDifficulty = new HexBigInteger(getMiningDifficulty.CallAsync <BigInteger>().Result); }
catch (System.AggregateException ex)
{
exceptions.Add(ex);
throw ex;
}
}),
Task.Factory.StartNew(() =>
{
try { MiningTarget = new HexBigInteger(getMiningTarget.CallAsync <BigInteger>().Result); }
catch (System.AggregateException ex)
{
exceptions.Add(ex);
throw ex;
}
}).
ContinueWith(task => MiningTargetByte32 = Utils.Numerics.FilterByte32Array(MiningTarget.Value.ToByteArray(littleEndian: false))).
ContinueWith(task => MiningTargetByte32String = Utils.Numerics.BigIntegerToByte32HexString(MiningTarget.Value)),
Task.Factory.StartNew(() =>
{
try { ChallengeNumberByte32 = Utils.Numerics.FilterByte32Array(getChallengeNumber.CallAsync <byte[]>().Result); }
catch (System.AggregateException ex)
{
exceptions.Add(ex);
throw ex;
}
}).
ContinueWith(Task => ChallengeNumber = new HexBigInteger(HexByteConvertorExtensions.ToHex(ChallengeNumberByte32, prefix: true))).
ContinueWith(task => ChallengeNumberByte32String = Utils.Numerics.BigIntegerToByte32HexString(ChallengeNumber.Value))
});
success = true;
}
catch (System.Exception) { exceptions.ForEach(ex => Program.Print(ex.InnerExceptions[0].Message)); }
}
}
private MiningParameters(string ethAddress,
Function getMiningDifficulty,
Function getMiningTarget,
Function getChallengeNumber)
{
EthAddress = ethAddress;
var retryCount = 0;
var exceptions = new List <Exception>();
while (retryCount < 10)
{
try
{
MiningDifficulty = new HexBigInteger(getMiningDifficulty.CallAsync <BigInteger>().Result);
break;
}
catch (AggregateException ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex.InnerExceptions[0]);
}
else
{
Task.Delay(200).Wait();
}
}
catch (Exception ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex);
}
else
{
Task.Delay(200).Wait();
}
}
}
while (retryCount < 10)
{
try
{
MiningTarget = new HexBigInteger(getMiningTarget.CallAsync <BigInteger>().Result);
MiningTargetByte32 = Utils.Numerics.FilterByte32Array(MiningTarget.Value.ToByteArray(littleEndian: false));
MiningTargetByte32String = Utils.Numerics.BigIntegerToByte32HexString(MiningTarget.Value);
break;
}
catch (AggregateException ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex.InnerExceptions[0]);
}
else
{
Task.Delay(200).Wait();
}
}
catch (Exception ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex);
}
else
{
Task.Delay(200).Wait();
}
}
}
while (retryCount < 10)
{
try
{
ChallengeNumberByte32 = Utils.Numerics.FilterByte32Array(getChallengeNumber.CallAsync <byte[]>().Result);
ChallengeNumber = new HexBigInteger(HexByteConvertorExtensions.ToHex(ChallengeNumberByte32, prefix: true));
ChallengeNumberByte32String = Utils.Numerics.BigIntegerToByte32HexString(ChallengeNumber.Value);
break;
}
catch (AggregateException ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex.InnerExceptions[0]);
}
else
{
Task.Delay(200).Wait();
}
}
catch (Exception ex)
{
retryCount++;
if (retryCount == 10)
{
exceptions.Add(ex);
}
else
{
Task.Delay(200).Wait();
}
}
}
var exMessage = string.Join(Environment.NewLine, exceptions.Select(ex => ex.Message));
if (exceptions.Any())
{
throw new Exception(exMessage);
}
}