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Questions - erc20

Sending both ether and calling function on smart contract using Web3

So there's an ERC20 contract with an additional fallback function. I am trying to send ether to the contract as well as send tokens in same transaction. I am not sure if this is possible but I have fo...
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Viktor Stolbin

ethereum

solidity

web3js

metamask

erc20

Votes: 0

Answers: 1

Latest Answer

is it technically possible to do both: send ether and invoke a function on the contract in a single transaction? Yes. The function receiving ETH needs to be have the payable modifier. function foo()...
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Petr Hejda

How do I find the tax of a token programatically?

I'm trying to fetch the Buy or Sell Tax of a BSC token, but I haven't found a way yet. I query the DEX via router_contract.functions.getAmountsOut(web3.toWei(1, 'Ether'), [ buying_token_address, pair_...
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Crypto7

python

ethereum

erc20

web3py

bep20

Votes: 0

Answers: 2

Latest Answer

I am the co-founder of Trading Strategy. We have recently published a new feature that shows any "token tax" or hidden transfer fees on Uniswap, Pancake swap and other Uniswap v2 like exchan...
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Mikko Ohtamaa

Trying to transfer ERC20 token using C# .NET Nethereum package

Can someone help me successfully send ERC20 tokens using the Nethereum package in C# .NET? I am able to successfully get account balances, but when I try to send, it just sits there.... I am using the...
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user2634840

c#

token

cryptocurrency

erc20

nethereum

Votes: 0

Answers: 3

Latest Answer

You might have to add something like this to your transactionMessage. Figure out what the Gas price is for the Blockchain network you are transacting with and use that. Here is an example. transferHan...
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Dumber_Texan2

How to diagnose an ERC20 error "Error: execution reverted" on a local testnet?

I have a local testnet (represented by this Docker image) and I am trying to send some ERC20 tokens from one address to another. I use the following HardHat script for this: npx hardhat run --network ...
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Glory to Russia

ethereum

go-ethereum

erc20

Votes: 0

Answers: 1

Latest Answer

This is a dirty hack that seems to work. First, add a method to the contract which transfers funds without changing the allowance: pragma solidity ^0.8.0; import "./tokens/ERC20/ERC20.sol";...
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Glory to Russia

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