maybe that is why is failing
ohhh
and remember the Units
Dai needs to be converted to 18 decimals
var swapHandler = web3.Eth.GetContractTransactionHandler<SwapExactTokensForETHFunction>();
var swapDTO = new SwapExactTokensForETHFunction()
{
AmountIn = Web3.Convert.ToWei(30),
AmountOutMin = 0,
Path = new List<string>
{
"0xad6d458402f60fd3bd25163575031acdce07538d", //DAI
"0xc778417e063141139fce010982780140aa0cd5ab" //WETH
},
To = myWallet,
Deadline = ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds() + 20
};
var transactionSwapReceipt = await swapHandler.SendRequestAndWaitForReceiptAsync(uniswapContractAddress, swapDTO);
Console.WriteLine("Transaction hash is: " + transactionSwapReceipt.TransactionHash);
ohh
18 decimals
how do I do that?
Eth is 18 decimals
9999
and you are trying to convert
will try now
but some don't like USDT which has 6 i believe
When i call a function on a contract, I would like to find out how much gas I sed? Thanks
just use web3.Eth.Trasansactions.GetTransactionReceipt.SendRequestAsync(txnHash)
@juanfranblanco Thank you very much. I am now successfully able to swap both ways on uniswap - WETH <--> DAI, unless the transaction fails due to gas shortage. Is this the correct way to supply gas values to the transaction? -
var ethSwapHandler = web3.Eth.GetContractTransactionHandler<SwapExactETHForTokensFunction>();
var ethSwapDTO = new SwapExactETHForTokensFunction()
{
AmountToSend = Web3.Convert.ToWei(1),
AmountOutMin = 0,
Path = new List<string>
{
"0xc778417e063141139fce010982780140aa0cd5ab", //WETH
"0xad6d458402f60fd3bd25163575031acdce07538d" //DAI
},
To = myWallet,
Deadline = ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds() + 20,
Gas = 1000000, //high value so transaction never fails. unless gas limits go real crazy.
GasPrice = 300 //max gas from etherscan gas oracle + 200
};Since the mission here is to have highly performant code and fastest transaction times, is it better to let Nethereum decide the gas values or should I fetch the gas values from Etherscan gas api, add 100-200 to it and input them above?
Also, same question about the transaction nonce.
I will of course add a failover that incase Etherscan api fails to return data then it'll just let Nethereum decide on gas values.
Nonce is much easier to let it Nethereum manage it for you
Gas.. this will be estimated for you by Nethereum before making the call, you can do what you have done and set a high gas amount and get it returned
If set it won't estimate it, it will use the amount given
GasPrice, Nethereum uses GetGasPrice from the client, using the Etherscan api it will give you better results
note the GasPrice is in wei
yeah since I want the whole code to run as fast as possible, I want to remove calculations from Nethereum that I can do myself faster and maybe better.
Coming to Nonce, yes it is easier for me to let Nethereum manage it, but if I want faster timings should I calculate it myself somehow?
Ohh damn, I keep forgetting the wei conversion :P
Coming to Nonce, yes it is easier for me to let Nethereum manage it, but if I want faster timings should I calculate it myself somehow?
Ohh damn, I keep forgetting the wei conversion :P
here is the nonce manager of Nethereum that can be assigned if wanted
mainly modify it so it does not make the call
to get the latest to verify
@juanfranblanco for now I'm letting Nethereum take care of the nonce for me. I'll revisit it after I am done building my app.
On https://uniswap.org/docs/v2/smart-contracts/router02/ for the function 'swapExactETHForTokens' we can see that the function returns an array of amounts (The input token amount and all subsequent output token amounts). How can I get these values? Thanks.
On https://uniswap.org/docs/v2/smart-contracts/router02/ for the function 'swapExactETHForTokens' we can see that the function returns an array of amounts (The input token amount and all subsequent output token amounts). How can I get these values? Thanks.
you can get the values if you query it
first
@saszer check this.. https://blog.cotten.io/timing-future-events-in-ethereum-5fbbb91264e7 is not an easy answer as there is average as blocks are not mined exactly every 12 seconds