Error codes

This documents provides a list of error codes that may occur while interacting with the Veax smart contract. The list is not exhaustive.

Non-errors

These errors are expected during normal DEX operation. These may happen if the DEX state changes between estimation and transaction execution.

ERROR	DESCRIPTION
`Slippage`	Slippage error.
`InsufficientLiquidity`	Insufficient liquidity in the pool to perform the swap.
`WrongRatio`	Wrong token ratio (same as `Slippage`).

ERROR	DESCRIPTION
`AccountNotRegistered`	Account is not registered.
`TokensStorageNotEmpty`	Account's storage of tokens is not empty.
`TokenNotRegistered`	Token is not registered.
`NotEnoughTokens`	Not enough tokens in deposit.
`NonZeroTokenBalance`	Non-zero token balance.
`IllegalWithdrawAmount`	Withdraw amount is illegal.
`DepositSenderMustBeSigner`	Deposit sender must be transaction signer or initiator...
`UnexpectedRegisterAccount`	`RegisterAccount` action can be only first in batch.
`DepositAlreadyHandled`	`Deposit` action already handled, should be present...
`DepositNotHandled`	`Deposit` action not handled, should be present...
`DepositNotAllowed`	`Deposit` action is not allowed in this batch action context.
`AtLeastOneSwap`	At least one swap.
`InvalidParams`	Invalid params.
`PoolNotRegistered`	Liquidity pool is not registered.
`TokenDuplicates`	Token is duplicated.
`PermissionDenied`	Permission is denied.
`GuardChangeStateDenied`	Guard change state is denied.
`IllegalFee`	Fee is illegal.
`PositionDoesNotExist`	Position does not exist.
`UserHasPositions`	User has opened positions.
`NotYourPosition`	Not your position.
`PriceTickOutOfBounds`	Tick value is either too large or too small.

ERROR	DESCRIPTION
`WithdrawInProgress`	Operation cannot be performed... Please retry later.
`WrongActionResult`	Wrong action result type.
`LiquidityTooSmall`	Resulting liquidity is too small.
`PositionAlreadyExists`	Position already exists.
`ConvOverflow`	Numeric conversion error: overflow—source number...
`ConvSourceNaN`	Numeric conversion error: source number is NaN.
`ConvNegativeToUnsigned`	Numeric conversion error: attempt to convert negative...
`ConvPrecisionLoss`	Numeric conversion error: loss of precision...
`PayableAPISuspended`	Payable API is suspended.

These errors indicate a bug in smart contracts implementation.

ERROR	DESCRIPTION
`InternalTickNotFound`	Tick not found.
`InternalTickNotDeleted`	Tick not deleted.
`InternalDepositMoreThanMax`	Evaluated deposited amount is larger than specified...
`InternalLossOfPrecisionInSwap`	Too large numeric error in evaluation of swapped...
`InternalTopPoolsNumberMismatch`	Logic error: number of picked pools doesn't match...
`InternalLogicError`	Internal logic error.