External Positions

External positions interact with external protocols, just like adapters. Interactions via an ExternalPositionProxy instance and its library affect its value, while interactions via parser contracts only affect validations and the parsing of user input.
External Position Types
Each external position is associated with a "type" that is written to ExternalPositionProxy.EXTERNAL_POSITION_TYPE upon its deployment. This type (e.g., a Compound debt position) instructs the system as to which library and parser contracts to use with proxy interactions.
A vault can have many active external positions of the same type.
There are no globally-enforced limitations on the asset counts that can be managed within any external position. If the need for a such a limitation arises for particular external position types, then a limitation should be imposed by the parser contract for that type.
AaveDebtPosition
Handles creating (borrowing), managing, and repaying debt positions on Aave.
Aave aTokens are held as collateral directly within the ExternalPositionProxy instance, which acts as the owner of the CDP.
Currently only handles variable debt, not stable debt.
Docs: https://docs.aave.com/​
Mainnet contracts:
each aToken
LendingPoolAddressesProvider: 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5 
ProtocolDataProvider : 0x057835Ad21a177dbdd3090bB1CAE03EaCF78Fc6d 
Actions and considerations:
AddCollateral - None
RemoveCollateral - None
Borrow - Borrowing accrues stkAAVE to the ExternalPositionProxy
RepayBorrow - None
ClaimStkAave - None
CompoundDebtPosition
Handles creating (borrowing), managing, and repaying debt positions on Compound Finance.
Compound cTokens are held as collateral directly within the ExternalPositionProxy  instance, which acts as the owner of the CDP.
Docs: https://compound.finance/docs​
Mainnet contracts:
each cToken supported by the CompoundPriceFeed
CompoundComptroller - 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B
 Actions and considerations:
AddCollateral - Receives cTokens from the vault which accrues COMP to the ExternalPositionProxy
RemoveCollateral - None
Borrow - Borrowing accrues COMP to the ExternalPositionProxy
RepayBorrow - None
ClaimComp - None
ConvexVotingPosition
Handles vote-locking CVX for vlCVX, delegating voting power to a 3rd party, and claiming rewards from Convex and Votium.
Does not currently support actually voting, which can be easily be accomplished by delegating to a 3rd party and voting directly via Snapshot.
Note that this uses CvxLockerV2, the second locker implementation.
Docs: https://docs.convexfinance.com/convexfinance/​
Mainnet contracts:
BaseRewardPool (cvxCrv staking) :  0x3Fe65692bfCD0e6CF84cB1E7d24108E434A7587e
ConvexToken : 0x4e3FBD56CD56c3e72c1403e103b45Db9da5B9D2B
CvxLockerV2: 0x72a19342e8F1838460eBFCCEf09F6585e32db86E
MultiMerkleStash (Votium): 0x378Ba9B73309bE80BF4C2c027aAD799766a7ED5A
vlCvxExtraRewardDistribution: 0x9B622f2c40b80EF5efb14c2B2239511FfBFaB702
Actions and considerations:
Lock - Starts accrual of cvxCRV rewards and any extra rewards
Relock - None
Withdraw - Stops accrual of cvxCRV rewards and any extra rewards
ClaimRewards - None
Delegate - None
LiquityDebtPosition
Handles borrowing LUSD using ETH as collateral on Liquity.
Docs: https://docs.liquity.org/​
Mainnet contracts:
BorrowerOperations: 0x24179CD81c9e782A4096035f7eC97fB8B783e007
TroveManager : 0xA39739EF8b0231DbFA0DcdA07d7e29faAbCf4bb2
Actions and considerations:
OpenTrove - None
AddCollateral - None
RemoveCollateral - None
Borrow - None
RepayBorrow - None
CloseTrove - None
MapleLiquidityPosition
Handles lending on Maple Finance.
Docs: https://maplefinance.gitbook.io/maple/​
Mainnet contracts:
each Maple pool
MplRewardsFactory: 0x0155729EbCd47Cb1fBa02bF5a8DA20FaF3860535
PoolFactory : 0x2Cd79F7f8b38B9c0D80EA6B230441841A31537eC 
Actions and considerations:
Lend - None
LendAndStake - Starts accrual of MPL rewards
IntendToRedeem - None
Redeem - Also claims all interest due
Stake - Starts accrual of MPL rewards
Unstake - Stops accrual of MPL rewards for the amount unstaked
UnstakeAndRedeem - Stops accrual of MPL rewards for the amount unstaked
ClaimInterest - None
ClaimRewards - None
TheGraphDelegationPosition
Handles delegating $GRT to indexers on The Graph.
Docs: https://thegraph.com/docs/en/​
Mainnet contracts:
GraphProxy: 0xf55041e37e12cd407ad00ce2910b8269b01263b9
Actions and considerations:
Delegate - Starts accruing $GRT rewards, and charges a flat delegation tax (currently 0.5%) on the delegated $GRT amount 
Undelegate - Stops accruing $GRT rewards
Withdraw - None
UniswapV3LiquidityPosition
Handles minting, adding/removing liquidity, collecting fees, and burning UniswapV3 LP positions via Uniswap's NonfungiblePositionManager.
A minted nft representing a particular LP position (distinct fee, ticks, and token amounts) is owned by an ExternalPositionProxy of this type. 
One such ExternalPositionProxy instance can own and manage multiple nfts of any token pairs (i.e., one fund can manage all of its NFTs in a single contract).
Docs: https://docs.uniswap.org/protocol/reference/periphery/NonfungiblePositionManager​
Mainnet contracts:
NonfungiblePositionManager - 0xC36442b4a4522E871399CD717aBDD847Ab11FE88
 Actions and considerations:
Mint - None
AddLiquidity - None
RemoveLiquidity - None
Collect - None
Purge - None
​
Last modified 7mo ago