Merge pull request #11 from LayerZero-Labs/floating-pragma

Floating pragma

messagelib/contracts/Executor.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { ReentrancyGuardUpgradeable } from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
 import { Proxied } from "hardhat-deploy/solc_0.8/proxy/Proxied.sol";

messagelib/contracts/ExecutorFeeLib.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 

messagelib/contracts/MessageLibBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 /// @dev simply a container of endpoint address and local eid
 abstract contract MessageLibBase {

messagelib/contracts/PriceFeed.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import { Proxied } from "hardhat-deploy/solc_0.8/proxy/Proxied.sol";

messagelib/contracts/ReceiveLibBaseE2.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 import { ERC165 } from "@openzeppelin/contracts/utils/introspection/ERC165.sol";

messagelib/contracts/SendLibBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { Transfer } from "@layerzerolabs/lz-evm-protocol-v2/contracts/libs/Transfer.sol";

messagelib/contracts/SendLibBaseE2.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 import { ERC165 } from "@openzeppelin/contracts/utils/introspection/ERC165.sol";

messagelib/contracts/Treasury.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 

messagelib/contracts/Worker.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Pausable } from "@openzeppelin/contracts/security/Pausable.sol";
 import { AccessControl } from "@openzeppelin/contracts/access/AccessControl.sol";

messagelib/contracts/libs/SafeCall.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 /// @dev copied from https://github.com/nomad-xyz/ExcessivelySafeCall/blob/main/src/ExcessivelySafeCall.sol.
 library SafeCall {

messagelib/contracts/uln/LzExecutor.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 
@@ -47,7 +47,7 @@ contract LzExecutor is Ownable {
     function commitAndExecute(
         address _receiveLib,
         LzReceiveParam calldata _lzReceiveParam,
-        NativeDropParam calldata _nativeDropParam
+        NativeDropParam[] calldata _nativeDropParams
     ) external payable {
         /// 1. check if executable, revert if executed
         ExecutionState executionState = endpoint.executable(_lzReceiveParam.origin, _lzReceiveParam.receiver);
@@ -76,8 +76,9 @@ contract LzExecutor is Ownable {
         }
 
         /// 3. native drop
-        if (_nativeDropParam._amount > 0 && _nativeDropParam._receiver != address(0x0)) {
-            Transfer.native(_nativeDropParam._receiver, _nativeDropParam._amount);
+        for (uint256 i = 0; i < _nativeDropParams.length; i++) {
+            NativeDropParam calldata param = _nativeDropParams[i];
+            Transfer.native(param._receiver, param._amount);
         }
 
         /// 4. try execute, will revert if not executable

messagelib/contracts/uln/ReceiveUlnBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";
 

messagelib/contracts/uln/SendUlnBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Packet } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ISendLib.sol";
 import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";

messagelib/contracts/uln/UlnBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 

messagelib/contracts/uln/dvn/DVN.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { ILayerZeroUltraLightNodeV2 } from "@layerzerolabs/lz-evm-v1-0.7/contracts/interfaces/ILayerZeroUltraLightNodeV2.sol";
 

messagelib/contracts/uln/dvn/DVNFeeLib.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { Transfer } from "@layerzerolabs/lz-evm-protocol-v2/contracts/libs/Transfer.sol";

messagelib/contracts/uln/dvn/MultiSig.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: LZBL-1.2
 
-pragma solidity ^0.8.22;
+pragma solidity ^0.8.20;
 
 import { ECDSA } from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";