feat: implement withdrawal rate limiting to prevent flash loan exploits#171
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feat: implement withdrawal rate limiting to prevent flash loan exploits#171Ryjen1 wants to merge 2 commits into
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…ts (Heliobond#16) - Add VaultError::DepositLocked (error code 36) to types.rs - Add VaultKey::LastDeposit(Address) persistent storage key to types.rs - Implement lock_deposit() and check_deposit_lock() helpers in lib.rs - Integrate lock_deposit in deposit(), bridge_mint(), wormhole_complete_transfer(), and FungibleToken::transfer() - Integrate check_deposit_lock in withdraw() to enforce minimum 1-ledger gap - Add 3 dedicated rate-limiting unit tests (same-ledger panic, next-ledger success, transfer-locked panic) - Update all existing tests to advance ledger sequence_number between deposit and withdraw - Update project_registry integration test similarly - Update test snapshots to reflect new storage state (LastDeposit key)
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Closes #16