Lack of zero address validation
Summary
Zero address validation is missing in the constructor or functions of LoveToken.sol, Airdrop.sol, Staking.sol, and Vault.sol
Vulnerability Details
The following are the constructors or functions lacking zero address validation
Constructor of LoveToken.sol
Constructor of Airdrop.sol
Constructor of Staking.sol
initVault() function of Staking.sol
Impact
lacks zero address validation , since parameter of costructor are used initialize state variable which are used in other function of the contract , error in these state variable can lead to redeployment of contract
Tools Used
manual review
Recommendations
add require condition to check for zero address
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