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hyperlane-monorepo/solidity/contracts/hooks/ConfigFallbackDomainRouting...

75 lines
2.1 KiB

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;
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import {Message} from "../libs/Message.sol";
import {IPostDispatchHook} from "../interfaces/hooks/IPostDispatchHook.sol";
import {IMailbox} from "../interfaces/IMailbox.sol";
contract ConfigFallbackDomainRoutingHook is IPostDispatchHook {
using Message for bytes;
IMailbox public immutable mailbox;
/// @notice message sender => destination => recipient => hook
mapping(address => mapping(uint32 => mapping(bytes32 => IPostDispatchHook)))
public customHooks;
constructor(address _mailbox) {
mailbox = IMailbox(_mailbox);
}
function postDispatch(bytes calldata metadata, bytes calldata message)
public
payable
override
{
_getConfiguredHook(message).postDispatch{value: msg.value}(
metadata,
message
);
}
function quoteDispatch(bytes calldata metadata, bytes calldata message)
public
view
returns (uint256)
{
return _getConfiguredHook(message).quoteDispatch(metadata, message);
}
function setHook(
uint32 destinationDomain,
bytes32 recipient,
IPostDispatchHook hook
) external {
customHooks[msg.sender][destinationDomain][recipient] = hook;
}
// ============ Internal Functions ============
function _getConfiguredHook(bytes calldata message)
internal
view
returns (IPostDispatchHook)
{
IPostDispatchHook configuredHook = customHooks[message.senderAddress()][
message.destination()
][message.recipient()];
if (address(configuredHook) == address(0)) {
configuredHook = mailbox.defaultHook();
}
return configuredHook;
}
}