Files
openzeppelin-contracts/contracts/crosschain/amb/CrossChainEnabledAMB.sol
Hadrien Croubois a035b235b4 Release v4.6 (#3358)
* 4.6.0-rc.0

* Fix release script to only release @openzeppelin/contracts

(cherry picked from commit 2bd75a44bb)

* make ERC2981:royaltyInfo public (#3305)

(cherry picked from commit d2832ca7a9)
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

* add transpilation guards to the crosschain mocks (#3306)

(cherry picked from commit 9af5af8fff)
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

* Fix tests on upgradeable contracts after transpilation

(cherry picked from commit 0762479dd5)
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

* Remove unused constructor argument

(cherry picked from commit 69c3781043)
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

* Bump minimum Solidity version for Initializable.sol to 0.8.2 (#3328)

(cherry picked from commit cb14ea3c5c)

* Fix update-comment script to ignore invalid tags

(cherry picked from commit 848fef5b6c)
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

* 4.6.0

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
2022-04-27 09:34:09 +02:00

49 lines
1.9 KiB
Solidity

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/amb/CrossChainEnabledAMB.sol)
pragma solidity ^0.8.4;
import "../CrossChainEnabled.sol";
import "./LibAMB.sol";
/**
* @dev [AMB](https://docs.tokenbridge.net/amb-bridge/about-amb-bridge)
* specialization or the {CrossChainEnabled} abstraction.
*
* As of february 2020, AMB bridges are available between the following chains:
* - [ETH <> xDai](https://docs.tokenbridge.net/eth-xdai-amb-bridge/about-the-eth-xdai-amb)
* - [ETH <> qDai](https://docs.tokenbridge.net/eth-qdai-bridge/about-the-eth-qdai-amb)
* - [ETH <> ETC](https://docs.tokenbridge.net/eth-etc-amb-bridge/about-the-eth-etc-amb)
* - [ETH <> BSC](https://docs.tokenbridge.net/eth-bsc-amb/about-the-eth-bsc-amb)
* - [ETH <> POA](https://docs.tokenbridge.net/eth-poa-amb-bridge/about-the-eth-poa-amb)
* - [BSC <> xDai](https://docs.tokenbridge.net/bsc-xdai-amb/about-the-bsc-xdai-amb)
* - [POA <> xDai](https://docs.tokenbridge.net/poa-xdai-amb/about-the-poa-xdai-amb)
* - [Rinkeby <> xDai](https://docs.tokenbridge.net/rinkeby-xdai-amb-bridge/about-the-rinkeby-xdai-amb)
* - [Kovan <> Sokol](https://docs.tokenbridge.net/kovan-sokol-amb-bridge/about-the-kovan-sokol-amb)
*
* _Available since v4.6._
*/
contract CrossChainEnabledAMB is CrossChainEnabled {
/// @custom:oz-upgrades-unsafe-allow state-variable-immutable
address private immutable _bridge;
/// @custom:oz-upgrades-unsafe-allow constructor
constructor(address bridge) {
_bridge = bridge;
}
/**
* @dev see {CrossChainEnabled-_isCrossChain}
*/
function _isCrossChain() internal view virtual override returns (bool) {
return LibAMB.isCrossChain(_bridge);
}
/**
* @dev see {CrossChainEnabled-_crossChainSender}
*/
function _crossChainSender() internal view virtual override onlyCrossChain returns (address) {
return LibAMB.crossChainSender(_bridge);
}
}