@ecp.eth/protocol

This contract handles all fee-related functionality including channel creation, hook registration, and transaction fees

Implements fee management with the following features:

1. Fee Configuration:
   • Channel creation fee
   • Hook registration fee
   • Hook transaction fee percentage
2. Fee Collection:
   • Accumulates fees from various operations
   • Allows withdrawal of accumulated fees
3. Fee Updates:
   • Only owner can update fee amounts
   • Fee percentage capped at 100%

Functions

constructor(address initialOwner) (internal)

Constructor sets the initial owner

setChannelCreationFee(uint96 fee) (external)

Sets the fee for creating a new channel

setCommentCreationFee(uint96 fee) (external)

Sets the fee for creating a new comment

setHookTransactionFee(uint16 feeBasisPoints) (external)

Sets the fee percentage taken from hook transactions

getChannelCreationFee() → uint96 (external)

Gets the current channel creation fee

getCommentCreationFee() → uint96 (external)

Gets the current comment creation fee

getHookTransactionFee() → uint16 (external)

Gets the current hook transaction fee percentage

withdrawFees(address recipient) → uint256 amount (external)

Withdraws accumulated fees to a specified address

_collectChannelCreationFee() → uint96 (internal)

Collects the protocol fee for channel creation

collectCommentCreationFee() → uint96 (external)

Collects the protocol fee for comment creation

_collectFeeWithRefund(uint96 requiredFee) → uint96 (internal)

Internal function to guard against insufficient fee with refund of excess

deductProtocolHookTransactionFee(uint256 value) → uint256 hookValue (external)

Calculates the hook transaction fee by deducting the protocol fee

calculateMsgValueWithHookFee(uint256 postFeeAmountForwardedToHook) → uint256 (external)

Calculates the required input value to achieve a desired output after protocol fee deduction

receive() (external)

Allows the contract to receive ETH