Hi I am not really an expert with solidity. I have been trying to deploy OpenZeppelin Contracts for ERC20 with remix IDE, i have been getting gas estimation error. if I deploy it in testnet it deploys properly with minimal gas but on mainnet using metamask injector provider i get the error. i have …

[image] Osas: i have tried compiling with different compiler configuration EVM versions like Paris, London and even Berlin Check this answer . TLDR: Solc Version 0.8.20 has switched the default target EVM version to Shanghai.

Thank you for your response but I am not really an expert the solution you gave is talking about Hardhart but I am trying to deploy with remix. I tried using solidity complier version less than 0.8.20 but the code automatically updates compiler version to match current contract file pragma i.e 0.8.2…

Did you read the TLDR (which I have added right below that linked answer)?

Perhaps this answer helps :slight_smile:

Thanks.. But i still get the error even when i compile with Paris. I don't know what's wrong.

[image] Osas: when i compile with Paris Wow, this is truly astonishing! What part of "Shanghai" are you having problem understanding? This is from the answer which was initially given to you: [image] barakman: TLDR: Solc Version 0.8.20 has switched the default target EVM version to Sh…

I am developing on Ethereum mainnet. The error only happens on Ethereum but works on other EVM networks like polygon, BSC e.t.c

OpenZeppelin Contracts for ERC20 not deploying in remix IDE - the error I get is Gas estimation errored the transaction execution will likely fail. Returned error: gas required exceeds allowance (125068)

Support Contracts

ernestognw November 29, 2023, 7:37pm 5

Perhaps this answer helps

Topic		Replies	Views
ERC20 shows pragma error on Remix Contracts	4	2375	November 2, 2020
OpenZeppelin requiring solidity 0.8.20 Contracts erc20	6	4036	November 1, 2023
Hey all, I'm creating smart contract for DEX ERC20 tokens but getting an error in remix while importing sol files from openZeppelin github Smart Contracts erc20	1	537	June 2, 2022
REMIX IDE - bsc testnet - ERROR: invalid opcode: PUSH0 OR EVM version used by the selected environment is not compatible with the compiler EVM version Smart Contracts	14	7248	April 22, 2024
Gas estimation failed problem remix ethereum Smart Contracts erc20	3	1310	October 16, 2023

OpenZeppelin Contracts for ERC20 not deploying in remix IDE - the error I get is Gas estimation errored the transaction execution will likely fail. Returned error: gas required exceeds allowance (125068)

Related topics