fix: update contracts to allow compilation from horizon package

Signed-off-by: Tomás Migone <[email protected]>

Author: tmigone

packages/contracts/contracts/base/IMulticall.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6;
+pragma solidity ^0.7.6 || 0.8.27;
 pragma abicoder v2;
 
 /**

packages/contracts/contracts/discovery/IServiceRegistry.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IServiceRegistry {
     struct IndexerService {

packages/contracts/contracts/disputes/IDisputeManager.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6;
+pragma solidity >=0.6.12 <0.8.0 || 0.8.27;
 pragma abicoder v2;
 
 interface IDisputeManager {

packages/contracts/contracts/l2/curation/IL2Curation.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6;
+pragma solidity ^0.7.6 || 0.8.27;
 
 /**
  * @title Interface of the L2 Curation contract.

packages/contracts/contracts/l2/discovery/IL2GNS.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { ICallhookReceiver } from "../../gateway/ICallhookReceiver.sol";
 

packages/contracts/contracts/l2/staking/L2Staking.sol

@@ -8,6 +8,7 @@ import { Staking } from "../../staking/Staking.sol";
 import { IL2StakingBase } from "./IL2StakingBase.sol";
 import { IL2Staking } from "./IL2Staking.sol";
 import { Stakes } from "../../staking/libs/Stakes.sol";
+import { IStakes } from "../../staking/libs/IStakes.sol";
 import { IL2StakingTypes } from "./IL2StakingTypes.sol";
 
 /**
@@ -18,7 +19,7 @@ import { IL2StakingTypes } from "./IL2StakingTypes.sol";
  */
 contract L2Staking is Staking, IL2StakingBase {
     using SafeMath for uint256;
-    using Stakes for Stakes.Indexer;
+    using Stakes for IStakes.Indexer;
 
     /// @dev Minimum amount of tokens that can be delegated
     uint256 private constant MINIMUM_DELEGATION = 1e18;

packages/contracts/contracts/staking/IStaking.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity >=0.6.12 <0.8.0;
+pragma solidity >=0.6.12 <0.8.0 || 0.8.27;
 pragma abicoder v2;
 
 import { IStakingBase } from "./IStakingBase.sol";

packages/contracts/contracts/staking/IStakingBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity >=0.6.12 <0.8.0;
+pragma solidity >=0.6.12 <0.8.0 || 0.8.27;
 pragma abicoder v2;
 
 import { IStakingData } from "./IStakingData.sol";

packages/contracts/contracts/staking/IStakingData.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity >=0.6.12 <0.8.0;
+pragma solidity >=0.6.12 <0.8.0 || 0.8.27;
 
 /**
  * @title Staking Data interface

packages/contracts/contracts/staking/IStakingExtension.sol

@@ -1,10 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity >=0.6.12 <0.8.0;
+pragma solidity >=0.6.12 <0.8.0 || 0.8.27;
 pragma abicoder v2;
 
 import { IStakingData } from "./IStakingData.sol";
-import { Stakes } from "./libs/Stakes.sol";
+import { IStakes } from "./libs/IStakes.sol";
 
 /**
  * @title Interface for the StakingExtension contract
@@ -276,11 +276,11 @@ interface IStakingExtension is IStakingData {
 
     /**
      * @notice Getter for stakes[_indexer]:
-     * gets the stake information for an indexer as a Stakes.Indexer struct.
+     * gets the stake information for an indexer as a IStakes.Indexer struct.
      * @param _indexer Indexer address for which to query the stake information
-     * @return Stake information for the specified indexer, as a Stakes.Indexer struct
+     * @return Stake information for the specified indexer, as a IStakes.Indexer struct
      */
-    function stakes(address _indexer) external view returns (Stakes.Indexer memory);
+    function stakes(address _indexer) external view returns (IStakes.Indexer memory);
 
     /**
      * @notice Getter for allocations[_allocationID]: