public async Task <IAsset> CreateAssetForErc20TokenAsync(string tokenAddress)
{
var erc20Token = Mapper.Map <Erc20Token>(await _erc20TokenService.GetByTokenAddressAsync(tokenAddress));
if (!string.IsNullOrEmpty(erc20Token.AssetId))
{
throw new InvalidOperationException($"Asset for the token with specified address [{tokenAddress}] already exists.");
}
if (!string.IsNullOrEmpty(erc20Token.TokenTotalSupply) && !BigInteger.TryParse(erc20Token.TokenTotalSupply, out var _))
{
throw new InvalidOperationException($"Specified token supply [{erc20Token.TokenTotalSupply}] is not valid BigInteger.");
}
// Creating asset
var asset = Mapper.Map <Asset>(_assetService.CreateDefault());
var blockchainAndDisplayIds = await GetBlockchainAndDisplayIdsAsync(erc20Token);
var tokenDecimals = erc20Token.TokenDecimals ?? 0;
asset.Accuracy = GetAssetAccuracy(tokenDecimals);
asset.AssetAddress = string.Empty;
asset.Blockchain = Blockchain.Ethereum;
asset.BlockChainId = blockchainAndDisplayIds.BlockchainId;
asset.BlockChainAssetId = erc20Token.Address;
asset.DisplayId = blockchainAndDisplayIds.DisplayId;
asset.Id = Guid.NewGuid().ToString();
asset.IsDisabled = true;
asset.IsTradable = false;
asset.MultiplierPower = tokenDecimals;
asset.Name = GetAssetName(erc20Token);
asset.Symbol = erc20Token.TokenSymbol;
asset.Type = AssetType.Erc20Token;
asset = Mapper.Map <Asset>(await _assetService.AddAsync(asset));
// Creating extended info
var assetExtendedInfo = Mapper.Map <AssetExtendedInfo>(_assetExtendedInfoService.CreateDefault());
assetExtendedInfo.Id = asset.Id;
assetExtendedInfo.NumberOfCoins = GetNumberOfCoins(erc20Token);
await _assetExtendedInfoService.AddAsync(assetExtendedInfo);
// Updating token
erc20Token.AssetId = asset.Id;
await _erc20TokenService.UpdateAsync(erc20Token);
return(asset);
}
public async Task <IAsset> AddAsync(IAsset asset)
{
await InvalidateCache();
return(await _assetService.AddAsync(asset));
}
