IRMRiskSteward

IRMRiskSteward

Contract that can update interest rate models updates received from RiskStewardReceiver.

Solidity API

INTEREST_RATE_MODEL

The update type for interest rate model

string INTEREST_RATE_MODEL

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INTEREST_RATE_MODEL_KEY

The update type key for interest rate model (keccak256 hash of INTEREST_RATE_MODEL)

bytes32 INTEREST_RATE_MODEL_KEY

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CORE_POOL_COMPTROLLER

Address of the BNB Core Pool Comptroller.

contract ICorePoolComptroller CORE_POOL_COMPTROLLER

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RISK_STEWARD_RECEIVER

Address of the RiskStewardReceiver used to validate incoming updates

contract IRiskStewardReceiver RISK_STEWARD_RECEIVER

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constructor

Sets the immutable CORE_POOL_COMPTROLLER and RISK_STEWARD_RECEIVER addresses and disables initializers

constructor(address corePoolComptroller_, address riskStewardReceiver_) public

Parameters

Name	Type	Description
corePoolComptroller_	address	The address of the Core Pool Comptroller
riskStewardReceiver_	address	The address of the RiskStewardReceiver

❌ Errors

• Throws ZeroAddressNotAllowed if any of the addresses are zero

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initialize

Initializes the contract as ownable and access controlled.

function initialize(address accessControlManager_) external

Parameters

Name	Type	Description
accessControlManager_	address	The address of the access control manager

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applyUpdate

Applies an interest rate model update from the RiskStewardReceiver. Directly updates the market interest rate model on the vToken.

function applyUpdate(struct RiskParameterUpdate update) external

Parameters

Name	Type	Description
update	struct RiskParameterUpdate	RiskParameterUpdate update to apply

📅 Events

• Emits InterestRateModelUpdated with the updateId, market and new IRM address

⛔️ Access Requirements

• Only callable by the RiskStewardReceiver

❌ Errors

• Throws OnlyRiskStewardReceiver if the sender is not the RiskStewardReceiver

• Throws UnsupportedUpdateType if the update type is not supported

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isSafeForDirectExecution

Checks if an update is safe for direct execution (no timelock required)

function isSafeForDirectExecution(struct RiskParameterUpdate update) external view returns (bool)

Parameters

Name	Type	Description
update	struct RiskParameterUpdate	The update to check

Return Values

Name	Type	Description
[0]	bool	True if update is safe for direct execution, false if timelock is required

❌ Errors

• Throws UnsupportedUpdateType if the update type is not supported

• Throws RedundantValue if the new IRM address is equal to the current IRM address

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