Smart Contract

The Rhadow vault is an ERC-4626 tokenized vault implemented in Cairo.

Contract Address

0x02e3e81d8c2c6f48073bb57141e6660042537ddf527b4debdd8d0bbcc9662241

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Key Functions

User Functions (ERC-4626)

Function	Description
deposit(assets, receiver)	Deposit USDC, receive rUSDC shares
withdraw(assets, receiver, owner)	Withdraw USDC by burning shares
redeem(shares, receiver, owner)	Redeem shares for USDC

View Functions

Function	Description
total_assets()	Total vault value in USDC
convert_to_shares(assets)	Preview shares for deposit
convert_to_assets(shares)	Preview USDC for redemption
get_available_liquidity()	Liquid USDC in vault

Keeper Functions

Function	Description
allocate_margin(amount)	Move USDC to trading account
deallocate_margin(amount)	Return USDC from trading
swap_usdc_to_wbtc(amount, min_out, routes)	Buy wBTC via AVNU
swap_wbtc_to_usdc(amount, min_out, routes)	Sell wBTC via AVNU
report(profit, loss)	Report PnL, update share price
set_btc_price(price)	Update BTC price oracle
set_extended_value(value)	V6: Update extended value for accurate TVL

Admin Functions

Function	Description
set_trading_account(address)	Set keeper account
set_risk_parameters(params)	Update risk limits
pause() / unpause()	Emergency controls
upgrade(new_class_hash)	Upgrade implementation

Total Assets Calculation

fn total_assets() -> u256 {
    vault_usdc_balance
    + extended_value  // V6: real-time value from trading account + Extended DEX
    + (wbtc_balance * btc_price / 10^8)
}

Events

Event	Description
Deposit	User deposited USDC
Withdraw	User withdrew USDC
Report	Keeper reported profit/loss
MarginAllocated	USDC sent to Extended
MarginDeallocated	USDC returned from Extended

Dependencies

Built with OpenZeppelin Cairo Contracts:

• ERC20Component
• AccessControlComponent
• PausableComponent
• ReentrancyGuardComponent
• UpgradeableComponent