MarketFacet
MarketFacet
This facet contract contains functions regarding markets
Solidity API
isComptroller
Indicator that this is a Comptroller contract (for inspection)
function isComptroller() public pure returns (bool)getAssetsIn
Returns the vToken markets an account has entered in the Core Pool
function getAssetsIn(address account) external view returns (contract VToken[])Parameters
account
address
The address of the account to query
Return Values
[0]
contract VToken[]
assets A dynamic array of vToken markets the account has entered
getAllMarkets
Return all of the markets
Return Values
[0]
contract VToken[]
The list of market addresses
liquidateCalculateSeizeTokens
Calculate number of tokens of collateral asset to seize given an underlying amount
Parameters
vTokenBorrowed
address
The address of the borrowed vToken
vTokenCollateral
address
The address of the collateral vToken
actualRepayAmount
uint256
The amount of vTokenBorrowed underlying to convert into vTokenCollateral tokens
Return Values
[0]
uint256
(errorCode, number of vTokenCollateral tokens to be seized in a liquidation)
[1]
uint256
liquidateCalculateSeizeTokens
Calculate number of tokens of collateral asset to seize given an underlying amount
Parameters
borrower
address
Address of borrower whose collateral is being seized
vTokenBorrowed
address
The address of the borrowed vToken
vTokenCollateral
address
The address of the collateral vToken
actualRepayAmount
uint256
The amount of vTokenBorrowed underlying to convert into vTokenCollateral tokens
Return Values
[0]
uint256
(errorCode, number of vTokenCollateral tokens to be seized in a liquidation)
[1]
uint256
liquidateVAICalculateSeizeTokens
Calculate number of tokens of collateral asset to seize given an underlying amount
Parameters
vTokenCollateral
address
The address of the collateral vToken
actualRepayAmount
uint256
The amount of vTokenBorrowed underlying to convert into vTokenCollateral tokens
Return Values
[0]
uint256
(errorCode, number of vTokenCollateral tokens to be seized in a liquidation)
[1]
uint256
checkMembership
Returns whether the given account has entered the specified vToken market in the Core Pool
Parameters
account
address
The address of the account to check
vToken
contract VToken
The vToken to check
Return Values
[0]
bool
True if the account is in the asset, otherwise false
isMarketListed
Checks whether the given vToken market is listed in the Core Pool (poolId = 0)
Parameters
vToken
contract VToken
The vToken Address of the market to check
Return Values
[0]
bool
listed True if the (Core Pool, vToken) market is listed, otherwise false
enterMarkets
Add assets to be included in account liquidity calculation
Parameters
vTokens
address[]
The list of addresses of the vToken markets to be enabled
Return Values
[0]
uint256[]
Success indicator for whether each corresponding market was entered
enterMarketBehalf
Add assets to be included in account liquidity calculation
Parameters
onBehalf
address
The address of the account entering the market
vToken
address
The address of the vToken market to enable for the account
Return Values
[0]
uint256
uint256 indicating the result (0 = success, non-zero = failure)
❌ Errors
NotAnApprovedDelegate thrown if
msg.senderis not the account itself or an approved delegate
unlistMarket
Unlists the given vToken market from the Core Pool (poolId = 0) by setting isListed to false
Parameters
market
address
The address of the market (vToken) to unlist
Return Values
[0]
uint256
uint256 0=success, otherwise a failure (See enum Error for details)
exitMarket
Removes asset from sender's account liquidity calculation
Parameters
vTokenAddress
address
The address of the asset to be removed
Return Values
[0]
uint256
Whether or not the account successfully exited the market
supportMarket
Alias to _supportMarket to support the Isolated Lending Comptroller Interface
Parameters
vToken
contract VToken
The address of the market (token) to list
Return Values
[0]
uint256
uint256 0=success, otherwise a failure. (See enum Error for details)
_supportMarket
Adds the given vToken market to the Core Pool (poolId = 0) and marks it as listed
Parameters
vToken
contract VToken
The address of the vToken market to list in the Core Pool
Return Values
[0]
uint256
uint256 0=success, otherwise a failure. (See enum Error for details)
updateDelegate
Grants or revokes the borrowing or redeeming delegate rights to / from an account If allowed, the delegate will be able to borrow funds on behalf of the sender Upon a delegated borrow, the delegate will receive the funds, and the borrower will see the debt on their account Upon a delegated redeem, the delegate will receive the redeemed amount and the approver will see a deduction in his vToken balance
Parameters
delegate
address
The address to update the rights for
approved
bool
Whether to grant (true) or revoke (false) the borrowing or redeeming rights
enterPool
Allows a user to switch to a new pool (e.g., e-mode ).
Parameters
poolId
uint96
The ID of the pool the user wants to enter.
📅 Events
PoolSelected Emitted after a successful pool switch.
❌ Errors
PoolDoesNotExist The specified pool ID does not exist.
AlreadyInSelectedPool The user is already in the target pool.
IncompatibleBorrowedAssets The user's current borrows are incompatible with the new pool.
LiquidityCheckFailed The user's liquidity is insufficient after switching pools.
InactivePool The user is trying to enter inactive pool.
createPool
Creates a new pool with the given label.
Parameters
label
string
name for the pool (must be non-empty).
Return Values
[0]
uint96
poolId The incremental unique identifier of the newly created pool.
📅 Events
PoolCreated Emitted after successfully creating a new pool.
❌ Errors
EmptyPoolLabel Reverts if the provided label is an empty string.
addPoolMarkets
Batch initializes market entries with basic config.
Parameters
poolIds
uint96[]
Array of pool IDs.
vTokens
address[]
Array of market (vToken) addresses.
📅 Events
PoolMarketInitialized Emitted after successfully initializing a market in a pool.
❌ Errors
ArrayLengthMismatch Reverts if
poolIdsandvTokensarrays have different lengths or if the length is zero.InvalidOperationForCorePool Reverts when attempting to call pool-specific methods on the Core Pool.
PoolDoesNotExist Reverts if the target pool ID does not exist.
MarketNotListedInCorePool Reverts if the market is not listed in the core pool.
MarketAlreadyListed Reverts if the given market is already listed in the specified pool.
InactivePool Reverts if attempted to add markets to an inactive pool.
removePoolMarket
Removes a market (vToken) from the specified pool.
Parameters
poolId
uint96
The ID of the pool from which the market should be removed.
vToken
address
The address of the market token to remove.
📅 Events
PoolMarketRemoved Emitted after a market is successfully removed from a pool.
❌ Errors
InvalidOperationForCorePool Reverts if called on the Core Pool.
PoolMarketNotFound Reverts if the market is not listed in the pool.
getCollateralFactor
Get the core pool collateral factor for a vToken
Parameters
vToken
address
The address of the vToken to get the collateral factor for
Return Values
[0]
uint256
The collateral factor for the vToken, scaled by 1e18
getLiquidationThreshold
Get the core pool liquidation threshold for a vToken
Parameters
vToken
address
The address of the vToken to get the liquidation threshold for
Return Values
[0]
uint256
The liquidation threshold for the vToken, scaled by 1e18
getLiquidationIncentive
Get the core pool liquidation Incentive for a vToken
Parameters
vToken
address
The address of the vToken to get the liquidation Incentive for
Return Values
[0]
uint256
liquidationIncentive The liquidation incentive for the vToken, scaled by 1e18
getEffectiveLtvFactor
Get the effective loan-to-value factor (collateral factor or liquidation threshold) for a given account and market.
Parameters
account
address
The account whose pool is used to determine the market's risk parameters.
vToken
address
The address of the vToken market.
weightingStrategy
enum WeightFunction
The weighting strategy to use: - WeightFunction.USE_COLLATERAL_FACTOR to use collateral factor - WeightFunction.USE_LIQUIDATION_THRESHOLD to use liquidation threshold
Return Values
[0]
uint256
factor The effective loan-to-value factor, scaled by 1e18.
getEffectiveLiquidationIncentive
Get the Effective Liquidation Incentive for a given account and market
Parameters
account
address
The account whose pool is used to determine the market's risk parameters
vToken
address
The address of the vToken market
Return Values
[0]
uint256
The liquidation Incentive for the vToken, scaled by 1e18
getPoolVTokens
Returns the full list of vTokens for a given pool ID.
Parameters
poolId
uint96
The ID of the pool whose vTokens are being queried.
Return Values
[0]
address[]
An array of vToken addresses associated with the pool.
❌ Errors
PoolDoesNotExist Reverts if the given pool ID do not exist.
InvalidOperationForCorePool Reverts if called on the Core Pool.
markets
Returns the market configuration for a vToken in the core pool (poolId = 0).
Parameters
vToken
address
The address of the vToken whose market configuration is to be fetched.
Return Values
isListed
bool
Whether the market is listed and enabled.
collateralFactorMantissa
uint256
The maximum borrowable percentage of collateral, in mantissa.
isVenus
bool
Whether this market is eligible for VENUS rewards.
liquidationThresholdMantissa
uint256
The threshold at which liquidation is triggered, in mantissa.
liquidationIncentiveMantissa
uint256
The max liquidation incentive allowed for this market, in mantissa.
marketPoolId
uint96
The pool ID this market belongs to.
isBorrowAllowed
bool
Whether borrowing is allowed in this market.
poolMarkets
Returns the market configuration for a vToken from _poolMarkets.
Parameters
poolId
uint96
The ID of the pool whose market configuration is being queried.
vToken
address
The address of the vToken whose market configuration is to be fetched.
Return Values
isListed
bool
Whether the market is listed and enabled.
collateralFactorMantissa
uint256
The maximum borrowable percentage of collateral, in mantissa.
isVenus
bool
Whether this market is eligible for XVS rewards.
liquidationThresholdMantissa
uint256
The threshold at which liquidation is triggered, in mantissa.
liquidationIncentiveMantissa
uint256
The liquidation incentive allowed for this market, in mantissa.
marketPoolId
uint96
The pool ID this market belongs to.
isBorrowAllowed
bool
Whether borrowing is allowed in this market.
❌ Errors
PoolDoesNotExist Reverts if the given pool ID do not exist.
hasValidPoolBorrows
Returns true if the user can switch to the given target pool, i.e., all markets they have borrowed from are also borrowable in the target pool.
Parameters
account
address
The address of the user attempting to switch pools.
targetPoolId
uint96
The pool ID the user wants to switch into.
Return Values
[0]
bool
bool True if the switch is allowed, otherwise False.
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