Hi, I have 2 Contract Sol File. First i deploy token.sol file on test net after i deploy second file on test net but im getting "Fail with error 'ERC20: insufficient allowance'" can someone help me please ? What am i doing wrong ? Token.sol // SPDX-License-Identifier: MIT pragma solidity 0.8.12…

Hi, welcome to the community! :wave: [image] Annihil: token.approve(address(this), 10000); Delete this line, and user calls SimpleToken.approve(ReceiverToken,amount) at first, and then calls ReceiverToken.transferAccount() And please search in the forum at first, and then ask questions, tha…

How do I ask a good question? closed unanswered if moder Realy thank you sir. I search 2 day but i dont understand :frowning: . thx again :slight_smile:

How transferFrom can be used with addresses other than the contract?

Smart Contracts

Annihil February 20, 2022, 10:09am 3

Realy thank you sir. I search 2 day but i dont understand . thx again

Topic		Replies	Views
Example on how to use ERC20 token in another contract Guides and Tutorials erc20	14	44376	May 26, 2022
How transferFrom can be used with addresses other than the contract’s own? Contracts	2	2706	June 25, 2020
Transfer user token to contract owner address by contract Smart Contracts erc20 , bep20	3	1016	December 2, 2022
ERC20, transferFrom() not working with non-owner accounts Contracts erc20	3	1827	September 17, 2023
Deposite and withdraw erc20 token using smart contract Contracts erc20 , solidity	3	4709	January 9, 2022

How transferFrom can be used with addresses other than the contract?

Related topics