LCB-10: Prevent malicious actors frontrunning bond creation with permits

liquity / ChickenBond

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LCB-10: Prevent malicious actors frontrunning bond creation with permits #211

Closed edmulraney closed 1 year ago

edmulraney commented 1 year ago

Addresses LCB-10 audit issue whereby a malicious actor can frontrun a bond creation with a permit by replaying the permit signature to LUSD token thus invalidating the same signature to be used again.