InterfaceGasOracle

Functions

updateGasData

Fetches the latest gas data for the chain from Destination contract, and uses it to update the oracle values for the requested chain.

function updateGasData(uint32 domain) external;

Parameters

Name	Type	Description
`domain`	`uint32`	Domain to update the gas data for

getGasData

Returns the gas data for the local chain.

function getGasData() external view returns (uint256 paddedGasData);

getDecodedGasData

Returns the gas data for the given domain, in the decoded format.

function getDecodedGasData(uint32 domain)
    external
    view
    returns (
        uint256 gasPrice,
        uint256 dataPrice,
        uint256 execBuffer,
        uint256 amortAttCost,
        uint256 etherPrice,
        uint256 markup
    );

Parameters

Name	Type	Description
`domain`	`uint32`	Domain of chain to get gas data for

Returns

Name	Type	Description
`gasPrice`	`uint256`	Gas price for the chain (in Wei per gas unit)
`dataPrice`	`uint256`	Calldata price (in Wei per byte of content)
`execBuffer`	`uint256`	Tx fee safety buffer for message execution (in Wei)
`amortAttCost`	`uint256`	Amortized cost for attestation submission (in Wei)
`etherPrice`	`uint256`	Ratio of Chain's Ether Price / Mainnet Ether Price (in BWAD)
`markup`	`uint256`	Markup for the message execution (in BWAD)

getMinimumTips

Returns the minimum tips for sending a message to a given destination.

function getMinimumTips(uint32 destination, uint256 paddedRequest, uint256 contentLength)
    external
    view
    returns (uint256 paddedTips);

Parameters

Name	Type	Description
`destination`	`uint32`	Domain of destination chain
`paddedRequest`	`uint256`	Padded encoded message execution request on destination chain
`contentLength`	`uint256`	The length of the message content

Returns

Name	Type	Description
`paddedTips`	`uint256`	Padded encoded minimum tips information