Mangrove
Developper
Developper
  • Welcome
  • Protocol
    • Introduction
    • Technical References
      • Overview
      • Ticks, ratios, and prices
      • Offer-list
        • Views on offers
      • Market-order
        • Delegation
      • Creating & Updating offers
        • Maker contract
        • Offer provisions
        • Gas requirement
        • Public data structures
        • Executing offers
      • Cleaning offers
      • Governance-parameters
        • Global variables
        • Local variables
        • Data structures and views
      • Periphery Contracts
        • MgvReader
        • MgvOracle
      • Literate Source Code
    • Background
      • Taking available liquidity
      • Making liquidity available
      • Reneging on offers
  • Strat Lib
    • What is the Strat Library?
    • Getting-started
      • Set Up Your Local Environment
      • Post a Smart Offer
    • Guides
      • Unlocking liquidity
      • Reposting an offer in the posthook
      • Using last look to renege trades
      • Determining gas requirements
      • Creating a Direct contract
      • Deploying your contract
      • Testing a maker contract
      • Safe offer logic guidelines
      • Approvals
    • Technical references
      • Principal hooks
      • Liquidity routing
      • API preferences
        • Core
          • SRC
            • IMangrove
        • Strats
          • SRC
            • Strategies
              • MangroveOffer
              • MangroveOrder
              • Integrations
                • AaveV3Borrower
                • AaveV3BorrowerImplementation
                • AaveV3BorrowerStorage
                • AaveV3Lender
                • CompoundModule
              • Interfaces
                • IForwarder
                • ILiquidityProvider
                • IOfferLogic
                • IOrderLogic
              • Offer_forwarder
                • Abstract
                  • Forwarder
              • Offer_maker
                • Abstract
                  • Direct
                • Market_making
                  • Kandel
                    • AaveKandel
                    • AaveKandelSeeder
                    • KandelSeeder
                    • Abstract
                      • AbstractKandelSeeder
                      • CoreKandel
                      • DirectWithBidsAndAsksDistribution
                      • GeometricKandel
                      • HasIndexedBidsAndAsks
                      • KandelLib
                      • TradesBaseQuotePair
              • Routeurs
                • SimpleRouter
                • Abstract
                  • AbstractRouter
                • Integrations
                  • AavePooledRouter
                  • HasAaveBalanceMemoizer
              • Utils
                • AccessControlled
              • Vendor
                • AAVE
                  • V3
                    • Contracts
                      • Dependencies
                        • Oppenzeppelin
                          • Contracts
                            • IERC20
                      • Interfaces
                        • IAToken
                        • IAaveIncentivesController
                        • IAaveOracle
                        • ICreditDelegationToken
                        • IInitializableAToken
                        • IPool
                        • IPoolAddressesProvider
                        • IPriceOracleGetter
                        • IScaledBalanceToken
                      • Protocol
                        • Libraries
                          • Configurations
                            • ReserveConfiguration
                          • Helpers
                            • Errors
                          • Types
                            • DataTypes
                    • Periphery
                      • Contracts
                        • MISC
                          • Interfaces
                            • IEACAggregatorProxy
                        • Rewards
                          • Interfaces
                            • IRewardsController
                            • IRewardsDistributor
                            • ITransferStrategyBase
                          • Libraries
                            • RewardsDataTypes
                • Compound
                  • CarefulMath
                  • Exponential
                  • ExponentialNoError
                  • ICompound
    • Background
      • Building Blocks
        • MangroveOffer
        • Direct
        • Forwarder
  • Vaults
    • Understanding vaults
      • Oracles
    • Managing a vault (CLI)
      • Deploying an oracle
      • Creating a vault
      • Monitoring the vault
      • Setting the vault position
      • Setting the fee data
      • Rebalancing
      • Adding or removing liquidity
    • Custom interactions
      • Oracles
      • Vault Factory
      • Managing a vault
        • Setting the position
        • Rebalancing
        • Setting a manager
        • Setting fee
  • Keeper Bots
    • Keeper Bots
    • Guides
      • Using borrowed funds for cleaning
    • Backgroud
      • The role of cleaning bots in Mangrove
      • The role of gas price updater bots in Mangrove
  • Adresses
    • Deployment Addresses
  • Quick Links
    • Glossary
    • Website
    • Whitepaper
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On this page
  • MGV
  • KANDEL_GASREQ
  • constructor
  • Parameters
  • sow
  • Parameters
  • Return Values
  • _deployKandel
  • Parameters
  • Return Values
  1. Strat Lib
  2. Technical references
  3. API preferences
  4. Strats
  5. SRC
  6. Strategies
  7. Offer_maker
  8. Market_making
  9. Kandel
  10. Abstract

AbstractKandelSeeder

This seeder deploys Kandel strats on demand and binds them to an AAVE router if needed.

deployer of this contract will gain aave manager power on the AAVE router (power to claim rewards and enter/exit markets) when deployer is a contract one must therefore make sure it is able to call the corresponding functions on the router

MGV

contract IMangrove MGV

The Mangrove deployment.

KANDEL_GASREQ

uint256 KANDEL_GASREQ

the gasreq to use for offers.

constructor

constructor(contract IMangrove mgv, uint256 kandelGasreq) internal

constructor for AbstractKandelSeeder.

Parameters

Name
Type
Description

mgv

contract IMangrove

The Mangrove deployment.

kandelGasreq

uint256

the gasreq to use for offers

sow

function sow(struct OLKey olKeyBaseQuote, bool liquiditySharing) external returns (contract GeometricKandel kandel)

deploys a new Kandel contract for the given seed parameters.

Parameters

Name
Type
Description

olKeyBaseQuote

struct OLKey

The OLKey for the outbound_tkn base and inbound_tkn quote offer list Kandel will act on, the flipped OLKey is used for the opposite offer list.

liquiditySharing

bool

if true, msg.sender will be used to identify the shares of the deployed Kandel strat. If msg.sender deploys several instances, reserve of the strats will be shared, but this will require a transfer from router to maker contract for each taken offer, since we cannot transfer the full amount to the first maker contract hit in a market order in case later maker contracts need the funds. Still, only a single AAVE redeem will take place.

Return Values

Name
Type
Description

kandel

contract GeometricKandel

the Kandel contract.

_deployKandel

function _deployKandel(struct OLKey olKeyBaseQuote, bool liquiditySharing) internal virtual returns (contract GeometricKandel kandel)

deploys a new Kandel contract for the given seed parameters.

Parameters

Name
Type
Description

olKeyBaseQuote

struct OLKey

The OLKey for the outbound_tkn base and inbound_tkn quote offer list Kandel will act on, the flipped OLKey is used for the opposite offer list.

liquiditySharing

bool

if true, msg.sender will be used to identify the shares of the deployed Kandel strat. If msg.sender deploys several instances, reserve of the strats will be shared, but this will require a transfer from router to maker contract for each taken offer, since we cannot transfer the full amount to the first maker contract hit in a market order in case later maker contracts need the funds. Still, only a single AAVE redeem will take place.

Return Values

Name
Type
Description

kandel

contract GeometricKandel

the Kandel contract.

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