/// <summary>
/// Publish a wallet contract to blockchain and save the published to local data store.
/// </summary>
/// <param name="newContract">A to-be-published wallet contract.</param>
/// <param name="creator">Private key of the creator</param>
/// <returns>Return transaction ID if published. Throw exception if there is an error.</returns>
public async Task <string> PublishContract(WalletContract newContract, BitcoinSecret creator)
{
try
{
ValidateContract(newContract);
}
catch (Exception)
{
throw;
}
var Data = $"{DomainHex}{newContract.NameHex}{newContract.TokenHex}{BitConverterExtension.GetHexBytes(newContract.TotalSupply)}" +
$"{newContract.NoOfDecimal.ToString("x4")}{newContract.Conditions.ByteArrayToString()}";
var transaction = await insightAPI.BuildTransaction(creator, creator.GetAddress(), creator.GetAddress(), Data.ToLower());
var txId = await insightAPI.BroadcastTransaction(transaction);
newContract.ID = txId.txid;
var status = await insightAPI.GetSync();
newContract.StartingBlock = status.blockChainHeight;
newContract.LastSyncedBlock = status.blockChainHeight;
UpdateContract(newContract, true);
return(newContract.ID);
}
public string GetOP_RETURN()
{
// 16 + 2 + 20 + 16 +
var a = _contract.NameHex;
var b = BitConverter.ToString(BitConverter.GetBytes((ushort)Operation).Reverse().ToArray()).Replace("-", "");
var c = TokenReceiverHashHex;
var roundedAmount = Math.Round(Amount, _contract.NoOfDecimal);
var d = BitConverterExtension.GetHexBytes(roundedAmount);
string validatedReferenceCode = ReferenceCode;
string e = "";
if (!string.IsNullOrEmpty(ReferenceCode))
{
if (ReferenceCode.Length > 20)
{
validatedReferenceCode = ReferenceCode.Substring(0, Math.Min(ReferenceCode.Length, 20));
}
e = BitConverter.ToString(Encoding.Default.GetBytes(validatedReferenceCode)).Replace("-", "").ToLower();
}
var output = $"{a}{b}{c}{d}{e}";
return(output.Substring(0, Math.Min(output.Length, 160)));
}
