Internals

Fluid "VaultT4" (Vault Type 4). Fluid vault protocol main operate contract. T4 -> Smart collateral | Smart debt

_colOperateBefore

function _colOperateBefore(int256 newColToken0_, int256 newColToken1_, int256 colSharesMinMax_, address to_) internal returns (int256 shares_)

_debtOperateBefore

function _debtOperateBefore(int256 newDebtToken0_, int256 newDebtToken1_, int256 debtSharesMinMax_, address to_) internal returns (int256 shares_)

_colOperatePerfectBefore

function _colOperatePerfectBefore(int256 perfectColShares_, int256 colToken0MinMax_, int256 colToken1MinMax_) internal returns (int256 newColToken0_, int256 newColToken1_)

_debtOperatePerfectPayback

function _debtOperatePerfectPayback(int256 perfectDebtShares_, int256 debtToken0MinMax_, int256 debtToken1MinMax_) internal returns (int256 newDebtToken0_, int256 newDebtToken1_)

_colOperatePerfectAfter

function _colOperatePerfectAfter(int256 perfectColShares_, int256 colToken0MinMax_, int256 colToken1MinMax_, address to_) internal returns (int256 newColToken0_, int256 newColToken1_)

_debtOperatePerfectBorrow

function _debtOperatePerfectBorrow(int256 perfectDebtShares_, int256 debtToken0MinMax_, int256 debtToken1MinMax_, address to_) internal returns (int256 newDebtToken0_, int256 newDebtToken1_)

constructor

constructor(struct Structs.ConstantViews constants_) internal

FluidVaultT4Operate

SmartOperate

struct SmartOperate {
  uint256 initialEth;
  int256 colShares;
  int256 debtShares;
  uint256 vaultVariables;
}

operate

function operate(uint256 nftId_, int256 newColToken0_, int256 newColToken1_, int256 colSharesMinMax_, int256 newDebtToken0_, int256 newDebtToken1_, int256 debtSharesMinMax_, address to_) external payable returns (uint256, int256, int256)

Performs operations on a vault position

This function allows users to modify their vault position by adjusting collateral and debt

Parameters

Name	Type	Description
nftId_	uint256	The ID of the NFT representing the vault position
newColToken0_	int256	The change in collateral amount for token0 (positive for deposit, negative for withdrawal)
newColToken1_	int256	The change in collateral amount for token1 (positive for deposit, negative for withdrawal)
colSharesMinMax_	int256	Min or max collateral shares to mint or burn (positive for deposit, negative for withdrawal)
newDebtToken0_	int256	The change in debt amount for token0 (positive for borrowing, negative for repayment)
newDebtToken1_	int256	The change in debt amount for token1 (positive for borrowing, negative for repayment)
debtSharesMinMax_	int256	Min or max debt shares to burn or mint (positive for borrowing, negative for repayment)
to_	address	The address to receive withdrawn collateral or borrowed tokens (if address(0), defaults to msg.sender)

Return Values

Name	Type	Description
[0]	uint256	nftId_ The ID of the NFT representing the updated vault position
[1]	int256	supplyAmt_ Final supply amount (negative if withdrawal occurred)
[2]	int256	borrowAmt_ Final borrow amount (negative if repayment occurred)

SmartOperatePerfect

struct SmartOperatePerfect {
  uint256 initialEth;
  int256 newColToken0;
  int256 newColToken1;
  int256 newDebtToken0;
  int256 newDebtToken1;
  uint256 vaultVariables;
}

operatePerfect

function operatePerfect(uint256 nftId_, int256 perfectColShares_, int256 colToken0MinMax_, int256 colToken1MinMax_, int256 perfectDebtShares_, int256 debtToken0MinMax_, int256 debtToken1MinMax_, address to_) external payable returns (uint256, int256[] r_)

Performs operations on a vault position with perfect collateral shares

This function allows users to modify their vault position by adjusting collateral and debt

Parameters

Name	Type	Description
nftId_	uint256	The ID of the NFT representing the vault position
perfectColShares_	int256	The change in collateral shares (positive for deposit, negative for withdrawal)
colToken0MinMax_	int256	Min or max collateral amount of token0 to withdraw or deposit (positive for deposit, negative for withdrawal)
colToken1MinMax_	int256	Min or max collateral amount of token1 to withdraw or deposit (positive for deposit, negative for withdrawal)
perfectDebtShares_	int256	The change in debt shares (positive for borrowing, negative for repayment)
debtToken0MinMax_	int256	Min or max debt amount for token0 to borrow or payback (positive for borrowing, negative for repayment)
debtToken1MinMax_	int256	Min or max debt amount for token1 to borrow or payback (positive for borrowing, negative for repayment)
to_	address

Return Values

Name	Type	Description
[0]	uint256	nftId_ The ID of the NFT representing the updated vault position
r_	int256[]	int256 array of return values: 0 - final col shares amount (can only change on max withdrawal) 1 - token0 deposit or withdraw amount 2 - token1 deposit or withdraw amount 3 - final debt shares amount (can only change on max payback) 4 - token0 borrow or payback amount 5 - token1 borrow or payback amount

constructor

constructor(struct Structs.ConstantViews constants_) public