52 lines
1.4 KiB
Solidity
52 lines
1.4 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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import { IAMB, IOmniBridge } from "../interfaces/IBridge.sol";
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contract MockOmniBridge is IOmniBridge {
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IAMB public AMB;
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constructor(IAMB _AMB) {
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AMB = _AMB;
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}
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function bridgeContract() external view override returns (IAMB) {
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return AMB;
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}
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function execute(address _who, bytes calldata _calldata) external returns (bool success, bytes memory result) {
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(success, result) = _who.call(_calldata);
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require(success, string(result));
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}
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event OnTokenTransfer(address contr, address from, address receiver, uint256 value, bytes data);
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function onTokenTransfer(
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address _from,
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uint256 _value,
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bytes memory _data
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) external returns (bool) {
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bytes memory data = new bytes(0);
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address receiver = _from;
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if (_data.length >= 20) {
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receiver = bytesToAddress(_data);
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if (_data.length > 20) {
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assembly {
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let size := sub(mload(_data), 20)
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data := add(_data, 20)
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mstore(data, size)
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}
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}
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}
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emit OnTokenTransfer(msg.sender, _from, receiver, _value, data);
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//bridgeSpecificActionsOnTokenTransfer(msg.sender, _from, receiver, _value, data);
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return true;
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}
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function bytesToAddress(bytes memory _bytes) internal pure returns (address addr) {
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assembly {
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addr := mload(add(_bytes, 20))
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}
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}
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}
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