# Miscellaneous

### UI

* **UNDER\_MAINTENANCE**: A boolean flag indicating whether the application is currently under maintenance. Default value is `false`.

### Blockchain Constants

* **AddressZero**: Represents the zero address (`0x0000000000000000000000000000000000000000`).
* **MAX\_UINT256**: The largest possible value for a 256-bit unsigned integer in Ethereum smart contracts. Default value is `BigInt("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")`.

### Transaction Dismissal

* **DEFAULT\_TXN\_DISMISS\_MS**: Default time in milliseconds before automatically dismissing a transaction notification popup. Default value is `25000`.
* **L2\_TXN\_DISMISS\_MS**: Specific dismissal time for Layer 2 transaction popups. Default value is `5000`.

### Global Constants

* **DEFAULT\_PRECISION**: Default number of decimal places used for displaying numerical values, unless otherwise specified. Default value is `2`.
* **GLOBAL\_MULTI\_ACCOUNTABLE\_PAUSED**: A boolean flag indicating whether MultiAccount functionality is paused. Default value is `false`.
* **MARKET\_PRICE\_COEFFICIENT**: A numerical coefficient used to calculate the slippage, in case autoSlippage isn't available. Default value is `1.07`.

### Order Deadlines

* **MARKET\_ORDER\_DEADLINE**: The maximum duration for a market order to remain valid before being considered expired. Default value is `300` seconds (5 minutes).
* **LIMIT\_ORDER\_DEADLINE**: The maximum duration for a limit order to remain valid. Default value is `311040120` seconds (10 years).

### Leverage Values

* **MAX\_LEVERAGE\_VALUE**: The maximum leverage that can be applied in trading. Default value is `40`.
* **MIN\_LEVERAGE\_VALUE**: The minimum leverage. Default value is `1`.

### Slippage

* **DEFAULT\_SLIPPAGE**: Default slippage value used in transactions. Default value is `10`.

### Position Handling

* **TIME\_TO\_WAIT\_POSITION\_RECEIVE**: Time to wait for a position to be received. Default value is `100` milliseconds.
* **MAX\_PENDINGS\_POSITIONS\_NUMBER**: The maximum number of pending positions that can exist simultaneously, used to limit open orders or transactions. Default value is `10`.

### History Display

* **BALANCE\_HISTORY\_ITEMS\_NUMBER**: Specifies the number of items to display in balance history or transaction history views. Default value is `10`.

### Contract Hashes

* **CLOSE\_QUOTE\_HASH\_CONTRACT**: The hash of the contract used to close quotes. Default value is `"0x501e891f"`.
* **CANCEL\_CLOSE\_QUOTE\_HASH\_CONTRACT**: The hash of the contract used to cancel the closing of quotes. Default value is `"0xa63b9363"`.


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