these looks great: + UpgradeableProxy (https://github.com/Fluidex/contracts/issues/2) + https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2542https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2542 + https://eips.ethereum.org/EIPS/eip-1967 + safemath: + https://github.com/OpenZeppelin/openzeppelin-contracts/issues/2465
these looks great: