Questions tagged [version-pragma]
The version-pragma tag has no usage guidance.
16
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Multiple Solidity Versions in flattened file
I have deployed a contract to Mumbai Polygon testnet. While verifying and publishing source code, the flattened file has multiple solidity versions. I got the error below.
The OpenZeppelin contracts ...
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Handling Conflicting @openzeppelin/contracts Versions in Hardhat Project
I am currently working on a Hardhat project that requires the integration of two custom dependencies, namely custom-dep-a and custom-dep-b. Unfortunately, these two dependencies rely on different ...
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These files import other files that use a different and incompatible version of Solidity
I encountered a problem with VSCode suddenly. It didn't have any problems yesterday, but suddenly this error appeared. When I run the compile command, I receive the following error. I'll send the ...
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How to Resolve Compiler Version Conflicts in Foundry Test Contracts?
I'm working on a Foundry project, and I'm encountering issues with compiler versions when trying to deploy Uniswap V3 core and periphery contracts in a test contract(i.e. UniswapTest shown below). The ...
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Problem with veryfing contract
Hi I had my smart contract previously deployed and verified. However mythril warned me of floating pragma so I changed version explicitly to
pragma solidity 0.8.1;
I deployed it tot testnet using ...
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The simplest way to return a list of items + gas limits on long lists when using pragma experimental ABIEncoderV2?
This question has two parts.
I would like to return a list of items from my smart contract in a simple way, ideally a one-liner solution, something that I consume on the front-end.
I tried some of the ...
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69
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Compiler version error in Visual Studio Code
I started getting this error...
Source file requires different compiler version (current compiler is 0.7.3+commit.9bfce1f6.Emscripten.clang) - note that nightly builds are considered to be strictly ...
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What issues can arise from calling contracts across different solidity versions?
What issues can arise from calling contracts across different solidity versions?
For my purposes, Contract A has been deployed with pragma solidity 0.7.4; and Contract B is deployed with 0.8.19.
Do ...
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77
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Solc: Source file requires different compiler version
in my brownie project i have imported LinkTokenReceiver.sol contract which its pragma solidity is pragma solidity ^0.7.0;, which means that it requires compiler version equal or greater than 0.7.0, ...
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My Openzepplin ERC-721 import is not compiling
Creating a minting capability for my dApp. Cannot compile due to solidity version error I believe.
// SPDX-License-Identifier: MIT
pragma solidity >=0.4.22 <0.9.0;
import "@openzeppelin/...
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29
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VS Code Error - Won't compile my contract
VS code does not seem to recognise my pragma line in the contract and keeps throwing an error suggesting I use a the v 0.8.17 but this is written in my contract as per the image? Also, I have checked ...
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883
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I am unable to import the safe math library in my 0.6.12 version of my compiler
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import &...
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1
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56
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openzeppelin dependencies pragma conflict
I am working with the nice old pancakeswap "Lottery.sol" contract. I am trying to compile it but the lottery contract im working with is kinda old.
Hello there,
Open zeppelin contracts have ...
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778
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How to specify a range of solidity versions?
How would I specify in the pragma solidity a range of acceptable solidity versions. If I want to specify that it should be gte(greater than equal) for example I could use pragma solidity >=0.8.0, ...
- 1,408
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684
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Failing to resolve solidity versions even though the intersection exists
I am writing my contracts in solidity version defined as ^0.8.0. I want to use Uniswap router interface, which is using >=0.7.5. Why is the compilation failing even though a compiler version ^0.8.0 ...
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What could go wrong if I change the version pragma of a third-party contract to make it importable with a newer Solidity compiler?
What are the consequences of changing compiler versions in dependency contracts to the same version as the main contract?
I have one main contract that inherits some other contracts to interact with ...
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