private static async Task <TransactionSigningResult> CreateAsync(
ITransactionSignerFactory transactionSignerFactory,
string protocolCode,
IWalletRepository walletRepository,
IReadOnlyCollection <string> signingAddresses,
IEncryptionService encryptionService,
NetworkType networkType,
byte[] builtTransaction)
{
ITransactionSigner transactionSigner;
try
{
transactionSigner = transactionSignerFactory.Create(protocolCode);
}
catch (ArgumentOutOfRangeException e)
{
throw new BlockchainIsNotSupportedException(e);
}
var wallets = await walletRepository.GetByAddressesAsync(signingAddresses);
var privateKeys = wallets.Select(x => encryptionService.Decrypt(x.PrivateKey)).ToArray();
try
{
return(transactionSigner.Sign(builtTransaction, privateKeys, networkType));
}
catch (Exception exception)
{
throw new TransactionSigninFailedException("An error occured while signing transaction.", exception);
}
}
private static async Task <TransactionSigningResult> CreateCoinsAsync(
ITransactionSignerFactory transactionSignerFactory,
string protocolCode,
IWalletRepository walletRepository,
IReadOnlyCollection <string> signingAddresses,
IEncryptionService encryptionService,
NetworkType networkType,
byte[] builtTransaction,
IReadOnlyCollection <Coin> coinsToSpend)
{
ICoinsTransactionSigner transactionSigner;
try
{
transactionSigner = transactionSignerFactory.CreateCoinsSigner(protocolCode);
}
catch (ArgumentOutOfRangeException e)
{
throw new BlockchainIsNotSupportedException(e);
}
var wallets = await walletRepository.GetByAddressesAsync(signingAddresses);
var walletDict = wallets.ToDictionary(x => x.Address);
var privateKeys = wallets.Select(x => encryptionService.Decrypt(x.PrivateKey)).ToArray();
try
{
return(transactionSigner.Sign(builtTransaction,
coinsToSpend?.Select(x =>
{
if (!walletDict.TryGetValue(x.Address, out var wallet))
{
throw new InvalidOperationException($"No wallet is stored for {x.Address}");
}
return new Swisschain.Sirius.Sdk.Crypto.Coin(x.Id,
x.Asset,
x.Value,
wallet.PublicKey,
x.Redeem);
})
.ToArray(),
privateKeys,
networkType));
}
catch (Exception exception)
{
throw new TransactionSigninFailedException("An error occured while signing transaction.", exception);
}
}
