VRFV2WrapperInterface

Methods

calculateRequestPrice

function calculateRequestPrice(uint32 _callbackGasLimit) external view returns (uint256)

Calculates the price of a VRF request with the given callbackGasLimit at the currentblock.

This function relies on the transaction gas price which is not automatically set duringsimulation. To estimate the price at a specific gas price, use the estimatePrice function.

Parameters

Name	Type	Description
_callbackGasLimit	uint32	is the gas limit used to estimate the price.

Returns

Name	Type	Description
_0	uint256	undefined

estimateRequestPrice

function estimateRequestPrice(uint32 _callbackGasLimit, uint256 _requestGasPriceWei) external view returns (uint256)

Estimates the price of a VRF request with a specific gas limit and gas price.

This is a convenience function that can be called in simulation to better understandpricing.

Parameters

Name	Type	Description
_callbackGasLimit	uint32	is the gas limit used to estimate the price.
_requestGasPriceWei	uint256	is the gas price in wei used for the estimation.

Returns

Name	Type	Description
_0	uint256	undefined

lastRequestId

function lastRequestId() external view returns (uint256)

Returns

Name	Type	Description
_0	uint256	the request ID of the most recent VRF V2 request made by this wrapper. This should only be relied option within the same transaction that the request was made.