Check if an ERC-20 token is a scam / Honeypot

Question

I'm looking for a way to get the buy and sell tax of a Token and check if it can be sold once bought.

To do this, here's the method I thought about :

1-Simulate a Buy transaction on the DEX Router Contract

2-Simulate a Sell transaction on the DEX Router Contract

3-If the 2 above transaction are succesfull I can know the sale tax and Buy tax + know if the token is "sellable"

Since I'm using calls and not real transaction to simulate the buy/sell of the token, I need to make multi calls to simulate the alteration of the blockchain state.

I'm using the ethereum-multicall library to do this.

Here's my code :

const multicall = new Multicall({ethersProvider: _EVM.provider, tryAggregate: true});
let amoutIn = ethers.utils.parseUnits('300',18);
  let timestamp = Date.now() + 1000 * 60 * 10;
  const contractCallContext =[
{
  reference: 'Router',
  contractAddress: _EVM.DEX.router,
  abi: JSON.parse(Router_ABI),
  calls:[{reference:'foo', methodName:'swapExactTokensForTokens', methodParameters:[amoutIn,0,[ASDC, MIM],"0xa37Aa5C9A682490C64bDC32e60E627A50B66a485",timestamp]}]
}];

let result = await multicall.call(contractCallContext);

the problem is that I constantly get unsuccesfull return value from Multicall smartcontract...

Is there any other way to achieve what I'm looking for ? Or is there a problem with my code ?

Thanks in advance

Answer 1

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