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feat(contracts/core): add fee oracle v2 (#1952)
Add FeeOracleV2 contract. - fee oracle v2 uses explicit data & exec gas prices per chain - add version() view on fee oracles issue: #1951
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| // SPDX-License-Identifier: GPL-3.0-only | ||
| pragma solidity ^0.8.12; | ||
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| import { IFeeOracle } from "./IFeeOracle.sol"; | ||
| import { IConversionRateOracle } from "./IConversionRateOracle.sol"; | ||
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| /** | ||
| * @title IFeeOracleV2 | ||
| * @notice Extends IFeeOracle with FeeOracleV2 methods | ||
| */ | ||
| interface IFeeOracleV2 is IFeeOracle, IConversionRateOracle { | ||
| /// @notice Emitted when fee parameters for a chain are set. | ||
| event FeeParamsSet(uint64 chainId, uint256 execGasPrice, uint256 dataGasPrice, uint256 toNativeRate); | ||
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| /// @notice Emitted when the base gas limit is set. | ||
| event BaseGasLimitSet(uint64 baseGasLimit); | ||
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| /// @notice Emitted when the base protocol fee is set. | ||
| event ProtocolFeeSet(uint256 protocolFee); | ||
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| /// @notice Emitted when the gas price for a destination chain is set. | ||
| event ExecGasPriceSet(uint64 chainId, uint256 gasPrice); | ||
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| /// @notice Emitted when the data gas price for a destination chain is set. | ||
| event DataGasPriceSet(uint64 chainId, uint256 gasPrice); | ||
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| /// @notice Emitted when the to-native conversion rate for a destination chain is set. | ||
| event ToNativeRateSet(uint64 chainId, uint256 toNativeRate); | ||
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| /// @notice Emitted when the manager is changed. | ||
| event ManagerSet(address manager); | ||
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| /** | ||
| * @notice Fee parameters for a specific chain. | ||
| * @custom:field chainId The chain ID. | ||
| * @custom:field execGasPrice The execution gas price on that chain (denominated in chains native token). | ||
| * @custom:field dataGasPrice The data gas price on that chain (denominated in chains native token). | ||
| * ex. for Optimism, dataGasPrice is Ethereum L1's blob gas price. | ||
| * @custom:field toNativeRate The conversion rate from the chains native token to this chain's | ||
| * native token. Rate is numerator over CONVERSION_RATE_DENOM. | ||
| */ | ||
| struct FeeParams { | ||
| uint64 chainId; | ||
| uint256 execGasPrice; | ||
| uint256 dataGasPrice; | ||
| uint256 toNativeRate; | ||
| } | ||
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| /// @notice Returns the fee parameters for a destination chain. | ||
| function feeParams(uint64 chainId) external view returns (FeeParams memory); | ||
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| /// @notice Returns the execution gas price for a destination chain. | ||
| function execGasPrice(uint64 chainId) external view returns (uint256); | ||
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| /// @notice Returns the data gas price for a destination chain. | ||
| function dataGasPrice(uint64 chainId) external view returns (uint256); | ||
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| /// @notice Returns the to-native conversion rate for a destination chain. | ||
| function toNativeRate(uint64 chainId) external view returns (uint256); | ||
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| /// @notice Returns the manager's address. | ||
| function manager() external view returns (address); | ||
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| /// @notice Returns the protocol fee. | ||
| function protocolFee() external view returns (uint256); | ||
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| /// @notice Returns the base gas limit. | ||
| function baseGasLimit() external view returns (uint64); | ||
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| /// @notice Set the fee parameters for a list of destination chains. | ||
| function bulkSetFeeParams(FeeParams[] calldata params) external; | ||
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| /// @notice Set the execution gas price for a destination chain. | ||
| function setExecGasPrice(uint64 chainId, uint256 execGasPrice) external; | ||
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| /// @notice Set the data gas price for a destination chain. | ||
| function setDataGasPrice(uint64 chainId, uint256 dataGasPrice) external; | ||
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| /// @notice Set the to native conversion rate for a destination chain. | ||
| function setToNativeRate(uint64 chainId, uint256 toNativeRate) external; | ||
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| /// @notice Set the base gas limit for each xmsg. | ||
| function setBaseGasLimit(uint64 gasLimit) external; | ||
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| /// @notice Set the base protocol fee for each xmsg. | ||
| function setProtocolFee(uint256 fee) external; | ||
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| /// @notice Set the manager admin account. | ||
| function setManager(address manager) external; | ||
| } |
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