public async Task SaveAsync(Erc20ContractModel erc20ContractModel)
{
var contractEntity = _mapper.Map <Erc20ContractEntity>(erc20ContractModel);
await _collection.DeleteOneAsync(x => x.Address == contractEntity.Address);
await _collection.InsertOneAsync(contractEntity);
}
public async Task IndexContractAsync(DeployedContractModel deployedContract)
{
if (await TransactionExists(deployedContract.TransactionHash) &&
await _erc20Detector.IsContractErc20Compatible(deployedContract.Address))
{
var ethereumContract = _web3.Eth.GetContract(MetadataAbi, deployedContract.Address);
var erc20Contract = new Erc20ContractModel
{
Address = deployedContract.Address,
BlockHash = deployedContract.BlockHash,
BlockNumber = BigInteger.Parse(deployedContract.BlockNumber),
BlockTimestamp = BigInteger.Parse(deployedContract.BlockTimestamp),
DeployerAddress = deployedContract.DeployerAddress,
TransactionHash = deployedContract.TransactionHash
};
if (TryCallFunction(ethereumContract, "name", out string name))
{
erc20Contract.TokenName = name;
}
if (TryCallFunction(ethereumContract, "symbol", out string symbol))
{
erc20Contract.TokenSymbol = symbol;
}
if (TryCallFunction(ethereumContract, "decimals", out uint decimals))
{
erc20Contract.TokenDecimals = decimals;
}
if (TryCallFunction(ethereumContract, "totalSupply", out BigInteger totalSupply))
{
erc20Contract.TokenTotalSupply = totalSupply;
}
await _erc20ContractRepository.SaveAsync(erc20Contract);
await _rabbitQueuePublisher.NotifyAsync(new Lykke.Service.EthereumSamurai.Models.Messages.RabbitContractIndexingMessage()
{
Address = erc20Contract.Address,
BlockHash = erc20Contract.BlockHash,
BlockNumber = (ulong)erc20Contract.BlockNumber,
BlockTimestamp = (int)erc20Contract.BlockTimestamp,
DeployerAddress = erc20Contract.DeployerAddress,
IndexingMessageType = Lykke.Service.EthereumSamurai.Models.Messages.IndexingMessageType.ErcContract,
TokenDecimals = erc20Contract.TokenDecimals,
TokenName = erc20Contract.TokenName,
TokenSymbol = erc20Contract.TokenSymbol,
TokenTotalSupply = erc20Contract.TokenTotalSupply.ToString(),
TransactionHash = erc20Contract.TransactionHash
});
}
}
