ERC20 connector: lock pragma to Solidity v0.8.11 #180
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Previously, we used to have
pragma solidity ^0.8.11definition forERC20LockerandLockercontracts. Even though the contract is being compiled via the Hardhat interface and the specific compiler version is defined inhardhat.config.js, it makes sense to add an extra precaution in the code to avoid deploying with the latest compiler by mistake.