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Awesomwasm 2023 CTF

Challenge 04: Gram

Simplified vault for minting shares proportional to the current balance of the contract, it allows to redeem back for funds afterwards.

Execute entry points:

pub enum ExecuteMsg {
    /// Mint shares
    Mint {},
    /// Burn shares
    Burn { shares: Uint128 },
}

Please check the challenge's integration_tests for expected usage examples. You can use these tests as a base to create your exploit Proof of Concept.

🏠 Base scenario:

  • The contract is newly instantiated with zero funds.

⭐ Goal for the challenge:

  • Demonstrate how an unprivileged user can withdraw more funds than deposited.