PoolLens
PoolLens
The PoolLens
contract is designed to retrieve important information for each registered pool. A list of essential information for all pools within the lending protocol can be acquired through the function getAllPools()
. Additionally, the following records can be looked up for specific pools and markets:
the vToken balance of a given user;
the pool data (oracle address, associated vToken, liquidation incentive, etc) of a pool via its associated comptroller address;
the vToken address in a pool for a given asset;
a list of all pools that support an asset;
the underlying asset price of a vToken;
the metadata (exchange/borrow/supply rate, total supply, collateral factor, etc) of any vToken.
Solidity API
vTokenBalancesAll
Queries the user's supply/borrow balances in vTokens
Parameters
Name | Type | Description |
---|---|---|
vTokens | contract VToken[] | The list of vToken addresses |
account | address | The user Account |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenBalances[] | A list of structs containing balances data |
getAllPools
Queries all pools with addtional details for each of them
Parameters
Name | Type | Description |
---|---|---|
poolRegistryAddress | address | The address of the PoolRegistry contract |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.PoolData[] | Arrays of all Venus pools' data |
getPoolByComptroller
Queries the details of a pool identified by Comptroller address
Parameters
Name | Type | Description |
---|---|---|
poolRegistryAddress | address | The address of the PoolRegistry contract |
comptroller | address | The Comptroller implementation address |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.PoolData | PoolData structure containing the details of the pool |
getVTokenForAsset
Returns vToken holding the specified underlying asset in the specified pool
Parameters
Name | Type | Description |
---|---|---|
poolRegistryAddress | address | The address of the PoolRegistry contract |
comptroller | address | The pool comptroller |
asset | address | The underlyingAsset of VToken |
Return Values
Name | Type | Description |
---|---|---|
[0] | address | Address of the vToken |
getPoolsSupportedByAsset
Returns all pools that support the specified underlying asset
Parameters
Name | Type | Description |
---|---|---|
poolRegistryAddress | address | The address of the PoolRegistry contract |
asset | address | The underlying asset of vToken |
Return Values
Name | Type | Description |
---|---|---|
[0] | address[] | A list of Comptroller contracts |
vTokenUnderlyingPriceAll
Returns the price data for the underlying assets of the specified vTokens
Parameters
Name | Type | Description |
---|---|---|
vTokens | contract VToken[] | The list of vToken addresses |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenUnderlyingPrice[] | An array containing the price data for each asset |
getPendingRewards
Returns the pending rewards for a user for a given pool.
Parameters
Name | Type | Description |
---|---|---|
account | address | The user account. |
comptrollerAddress | address | address |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.RewardSummary[] | Pending rewards array |
getPoolBadDebt
Returns a summary of a pool's bad debt broken down by market
Parameters
Name | Type | Description |
---|---|---|
comptrollerAddress | address | Address of the comptroller |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.BadDebtSummary | badDebtSummary A struct with comptroller address, total bad debut denominated in usd, and a break down of bad debt by market |
vTokenBalances
Queries the user's supply/borrow balances in the specified vToken
Parameters
Name | Type | Description |
---|---|---|
vToken | contract VToken | vToken address |
account | address | The user Account |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenBalances | A struct containing the balances data |
getPoolDataFromVenusPool
Queries additional information for the pool
Parameters
Name | Type | Description |
---|---|---|
poolRegistryAddress | address | Address of the PoolRegistry |
venusPool | struct PoolRegistryInterface.VenusPool | The VenusPool Object from PoolRegistry |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.PoolData | Enriched PoolData |
vTokenMetadata
Returns the metadata of VToken
Parameters
Name | Type | Description |
---|---|---|
vToken | contract VToken | The address of vToken |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenMetadata | VTokenMetadata struct |
vTokenMetadataAll
Returns the metadata of all VTokens
Parameters
Name | Type | Description |
---|---|---|
vTokens | contract VToken[] | The list of vToken addresses |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenMetadata[] | An array of VTokenMetadata structs |
vTokenUnderlyingPrice
Returns the price data for the underlying asset of the specified vToken
Parameters
Name | Type | Description |
---|---|---|
vToken | contract VToken | vToken address |
Return Values
Name | Type | Description |
---|---|---|
[0] | struct PoolLens.VTokenUnderlyingPrice | The price data for each asset |
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