public async Task <decimal> GetAsync(string tokenAddress, string ownerAddress)
{
var tokenInfo = await _tokenInfoProvider.GetAsync(tokenAddress);
var balance = await _erc20GatewayFactory(tokenAddress).GetBalanceAsync(ownerAddress);
return(balance.ToDecimal(tokenInfo.Decimals));
}
public async Task <decimal> GetAsync(string exchangeAddress)
{
var exchangeGateway = _exchangeGatewayFactory(exchangeAddress);
var totalSupply = await exchangeGateway.GetTotalSupplyAsync();
var tokenInfo = await _tokenInfoProvider.GetAsync(exchangeAddress);
return(totalSupply.ToDecimal(tokenInfo.Decimals));
}
private async Task <IExchangeEventEntity> CreateEntityAsync(
IEventLog eventLog,
ExchangeEventType eventType,
ExchangeState beforeState,
ExchangeState afterState,
string callerAddress,
decimal ethAmount,
decimal tokenAmount,
decimal ethFee,
decimal tokenFee,
string tokenAddress)
{
var blockNumber = (ulong)eventLog.Log.BlockNumber.Value;
var blockTimestamp =
await _blockTimestampProvider.GetByBlockNumberAsync(blockNumber);
var exchangeAddress = eventLog.Log.Address;
var callerBalance = await _exchangeGatewayFactory(exchangeAddress).GetBalanceOfAsync(callerAddress, blockNumber);
var tokenInfo = await _tokenInfoProvider.GetAsync(tokenAddress);
return(_exchangeEventEntityFactory.Create(
$"{eventLog.Log.TransactionHash}_{eventLog.Log.LogIndex.Value}",
exchangeAddress,
callerAddress,
eventType,
ethAmount,
tokenAmount,
beforeState.EthLiquidity,
afterState.EthLiquidity,
beforeState.TokenLiquidity,
afterState.TokenLiquidity,
eventLog.Log.TransactionHash,
(int)eventLog.Log.LogIndex.Value,
blockTimestamp,
ethFee,
tokenFee,
tokenAddress,
blockNumber,
callerBalance.ToDecimal(tokenInfo.Decimals)));
}
public async Task <TokenInfo> GetAsync(string address)
{
if (_cache.TryGetValue(address, out var cachedTokenInfo))
{
return(cachedTokenInfo);
}
else
{
var tokenInfo = await _tokenInfoProvider.GetAsync(address);
_cache[address] = tokenInfo;
return(tokenInfo);
}
}
public async Task <IExchangeEntity> MapAsync(EventLog <NewExchangeEventDTO> eventLog)
{
var exchangeAddress = eventLog.Event.Exchange;
var tokenAddress = eventLog.Event.Token;
var tokenInfo = await _tokenInfoProvider.GetAsync(tokenAddress);
var blockNumber = (ulong)(BigInteger)eventLog.Log.BlockNumber;
var tokenLiquidity = await _tokenLiquidityProvider.GetAsync(tokenAddress, exchangeAddress);
var ethLiquidity = await _ethLiquidityProvider.GetAsync(exchangeAddress);
var totalSupply = await _exchangeTotalSupplyProvider.GetAsync(exchangeAddress);
var theme = await _exchangeThemeProvider.GetAsync(tokenInfo.Symbol);
return(_exchangeEntityFactory.Create(exchangeAddress, tokenAddress, tokenInfo, blockNumber, ethLiquidity, tokenLiquidity, totalSupply, theme));
}