feiprotocol.d2

balancer:  Balancer FlashLoan

AttackerCommander: Attacker Factory {
    deployOne: deploy(Minion 1)
    deployTwo: deploy(Minion 2)
}

AttackerMinion: Attacker Minion 1
AttackerMinionTwo: Attacker Minion 2

fei: Fei Protocol {
    fCurrencyETH: fCurrency ETH {
        mintETH: mint()
        borrowETH: borrow()
        redeemETH: redeemUnderlying()
    }

    fCurrencyStable: fCurrency Stable {
        mintStable: mint()
        borrowStable: borrow()
        redeemStable: redeemUnderlying()
    }
}



AttackerCommander -> balancer: 1°
balancer -> AttackerCommander.deployOne: 2°
AttackerCommander.deployOne -> AttackerMinion -> fei.fCurrencyStable.mintStable: 3°: minion mints
AttackerCommander.deployOne -> AttackerMinion -> fei.fCurrencyETH.borrowETH: 4°: minion borrows
AttackerMinion -> fei.fCurrencyStable.redeemStable: 5°
AttackerCommander -> fei.fCurrencyETH.mintETH -> fei.fCurrencyStable.mintStable: 6°: multiple stables
fei.fCurrencyStable.mintStable -> fei.fCurrencyStable.redeemStable: 7°: redeem all stables
AttackerCommander.deployTwo -> AttackerMinionTwo: 8°: repeat 2°-5°
AttackerCommander -> fei.fCurrencyETH.redeemETH: 9°
AttackerCommander -> balancer: 10°: repay

  explanation: |md
    # Fei Protocol
    - Reentrancy
    - Undercollateralized borrows
  |