I’m trying to write a function that allows my contract to approve another contract to spend my contract’s erc20 token. The transaction is always failing however, and I’m not sure why. The code is as simple as erc20Contract.approve(<spender-address>, 10000000) :computer: Environment Solidity 0.5.…

Hi @michaelcohen716 , Yes we can. I created the following example (using OpenZeppelin CLI) Holder.sol Holder of tokens pragma solidity ^0.6.0; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "./Recipient.sol"; contract Holder { function approveOtherContract(IERC20 token, add…

Is it possible to call the erc20 approve function from another contract?

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abcoathup Split this topic October 5, 2020, 1:01am 5

3 posts were split to a new topic: Approve ERC20 token on another contract

Topic		Replies	Views
IERC20 Approve is not working Smart Contracts erc20 , openzeppelin-contracts	0	646	April 25, 2022
Override approve in OpenZeppelin Contracts version 2.x Contracts erc20	4	2435	November 19, 2020
Not able to approve the contract address Contracts erc20	6	1248	August 22, 2021
.approve() fails when called from another contract Contracts	6	1656	March 31, 2021
Unclear function and possible deprecated? Contracts erc20	1	340	July 28, 2021

Is it possible to call the erc20 approve function from another contract?

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