/// <summary>
/// Get an address from the Trezor
/// //TODO: Move this back down to TrezorManagerBase
/// </summary>
public async Task <string> GetAddressAsync(string coinShortcut, uint coinNumber, uint account, bool isChange, uint index, bool showDisplay, AddressType addressType, bool?isSegwit)
{
try
{
ValidateInitialization(null);
//ETH and ETC don't appear here so we have to hard code these not to be segwit
//var coinType = Features.Coins.Find(c => string.Equals(c.CoinShortcut, coinShortcut, StringComparison.OrdinalIgnoreCase));
var coinType = GetCoinType(coinNumber);
if (isSegwit == null)
{
isSegwit = coinType?.Segwit == true;
}
var path = ManagerHelpers.GetAddressPath(isSegwit.Value, account, isChange, index, coinNumber);
switch (addressType)
{
case AddressType.Bitcoin:
return((await SendMessageAsync <Address, GetAddress>(new GetAddress {
ShowDisplay = showDisplay, AddressNs = path, CoinName = GetCoinType(coinShortcut)?.CoinName, ScriptType = isSegwit.Value ? InputScriptType.Spendp2shwitness : InputScriptType.Spendaddress
})).address);
case AddressType.Ethereum:
var ethereumAddress = await SendMessageAsync <EthereumAddress, EthereumGetAddress>(new EthereumGetAddress { ShowDisplay = showDisplay, AddressNs = path });
var sb = new StringBuilder();
foreach (var b in ethereumAddress.Address)
{
sb.Append(b.ToString("X2").ToLower());
}
var hexString = sb.ToString();
return($"0x{hexString}");
case AddressType.NEM:
throw new NotImplementedException();
default:
throw new NotImplementedException();
}
}
catch (Exception ex)
{
Logger.Log("Error Getting Trezor Address", ex, LogSection);
throw;
}
}
public async Task SignEthereumTransaction()
{
await GetAndInitialize();
//Note: these are not reasonable values. They should not be used for a transaction. Looking for a better example here...
var txMessage = new EthereumSignTx
{
Nonce = "0".ToHexBytes(),
GasPrice = 1000000000.ToHexBytes(),
GasLimit = 21000.ToHexBytes(),
To = "689c56aef474df92d44a1b70850f808488f9769c".ToHexBytes(),
Value = "de0b6b3a7640000".ToHexBytes(),
AddressNs = ManagerHelpers.GetAddressPath(false, 0, false, 0, 60),
ChainId = 1
};
var transaction = await TrezorManager.SendMessageAsync <EthereumTxRequest, EthereumSignTx>(txMessage);
Assert.AreEqual(transaction.SignatureR.Length, 32);
Assert.AreEqual(transaction.SignatureS.Length, 32);
}
