test: wip refactor unit tests for staking fns

packages/contracts/contracts/arbitrum/ITokenGateway.sol

@@ -23,7 +23,7 @@
  *
  */
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface ITokenGateway {
     /// @notice event deprecated in favor of DepositInitiated and WithdrawalInitiated

packages/contracts/contracts/curation/ICuration.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 /**
  * @title Curation Interface

packages/contracts/contracts/epochs/IEpochManager.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IEpochManager {
     // -- Configuration --

packages/contracts/contracts/gateway/ICallhookReceiver.sol

@@ -6,7 +6,7 @@
  * be allowlisted by the governor, but also implement this interface that contains
  * the function that will actually be called by the L2GraphTokenGateway.
  */
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface ICallhookReceiver {
     /**

packages/contracts/contracts/governance/Controller.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { IController } from "./IController.sol";
 import { IManaged } from "./IManaged.sol";

packages/contracts/contracts/governance/Governed.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 /**
  * @title Graph Governance contract

packages/contracts/contracts/governance/IController.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IController {
     function getGovernor() external view returns (address);

packages/contracts/contracts/governance/IManaged.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { IController } from "./IController.sol";
 

packages/contracts/contracts/governance/Pausable.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 abstract contract Pausable {
     /**

packages/contracts/contracts/l2/staking/IL2StakingBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { ICallhookReceiver } from "../../gateway/ICallhookReceiver.sol";
 

packages/contracts/contracts/l2/staking/IL2StakingTypes.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IL2StakingTypes {
     /// @dev Message codes for the L1 -> L2 bridge callhook

packages/contracts/contracts/rewards/IRewardsIssuer.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IRewardsIssuer {
     /**

packages/contracts/contracts/rewards/IRewardsManager.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IRewardsManager {
     /**

packages/contracts/contracts/rewards/RewardsManagerStorage.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import "./IRewardsManager.sol";
 import "../governance/Managed.sol";

packages/contracts/contracts/token/IGraphToken.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 

packages/contracts/contracts/upgrades/GraphProxy.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { GraphProxyStorage } from "./GraphProxyStorage.sol";
 

packages/contracts/contracts/upgrades/GraphProxyAdmin.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { Governed } from "../governance/Governed.sol";
 

packages/contracts/contracts/upgrades/GraphProxyStorage.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 /**
  * @title Graph Proxy Storage

packages/contracts/contracts/upgrades/GraphUpgradeable.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import { IGraphProxy } from "./IGraphProxy.sol";
 

packages/contracts/contracts/upgrades/IGraphProxy.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 interface IGraphProxy {
     function admin() external returns (address);

packages/contracts/contracts/utils/TokenUtils.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity ^0.7.6 || 0.8.26;
+pragma solidity ^0.7.6 || 0.8.27;
 
 import "../token/IGraphToken.sol";
 

packages/horizon/contracts/data-service/DataService.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataService } from "./interfaces/IDataService.sol";
 

packages/horizon/contracts/data-service/DataServiceStorage.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 abstract contract DataServiceV1Storage {
     /// @dev Gap to allow adding variables in future upgrades

packages/horizon/contracts/data-service/extensions/DataServiceFees.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataServiceFees } from "../interfaces/IDataServiceFees.sol";
 

packages/horizon/contracts/data-service/extensions/DataServiceFeesStorage.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataServiceFees } from "../interfaces/IDataServiceFees.sol";
 

packages/horizon/contracts/data-service/extensions/DataServicePausable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataServicePausable } from "../interfaces/IDataServicePausable.sol";
 

packages/horizon/contracts/data-service/extensions/DataServicePausableUpgradeable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataServicePausable } from "../interfaces/IDataServicePausable.sol";
 

packages/horizon/contracts/data-service/extensions/DataServiceRescuable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { Address } from "@openzeppelin/contracts/utils/Address.sol";
 import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

packages/horizon/contracts/data-service/interfaces/IDataService.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IGraphPayments } from "../../interfaces/IGraphPayments.sol";
 

packages/horizon/contracts/data-service/interfaces/IDataServiceFees.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataService } from "./IDataService.sol";
 

packages/horizon/contracts/data-service/interfaces/IDataServicePausable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataService } from "./IDataService.sol";
 

packages/horizon/contracts/data-service/interfaces/IDataServiceRescuable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IDataService } from "./IDataService.sol";
 

packages/horizon/contracts/data-service/libraries/ProvisionTracker.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IHorizonStaking } from "../../interfaces/IHorizonStaking.sol";
 

packages/horizon/contracts/data-service/utilities/ProvisionManager.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IHorizonStaking } from "../../interfaces/IHorizonStaking.sol";
 

packages/horizon/contracts/data-service/utilities/ProvisionManagerStorage.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title Storage layout for the {ProvisionManager} helper contract.

packages/horizon/contracts/interfaces/IGraphPayments.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title Interface for the {GraphPayments} contract

packages/horizon/contracts/interfaces/IGraphProxyAdmin.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title IGraphProxyAdmin

packages/horizon/contracts/interfaces/IHorizonStaking.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IHorizonStakingTypes } from "./internal/IHorizonStakingTypes.sol";
 import { IHorizonStakingMain } from "./internal/IHorizonStakingMain.sol";

packages/horizon/contracts/interfaces/IPaymentsCollector.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IGraphPayments } from "./IGraphPayments.sol";
 

packages/horizon/contracts/interfaces/IPaymentsEscrow.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IGraphPayments } from "./IGraphPayments.sol";
 
@@ -84,12 +84,7 @@ interface IPaymentsEscrow {
      * @param tokens The amount of tokens being thawed
      * @param thawEndTimestamp The timestamp at which the thawing period ends
      */
-    event Thaw(
-        address indexed payer,
-        address indexed receiver,
-        uint256 tokens,
-        uint256 thawEndTimestamp
-    );
+    event Thaw(address indexed payer, address indexed receiver, uint256 tokens, uint256 thawEndTimestamp);
 
     /**
      * @notice Emitted when a payer withdraws funds from the escrow for a payer-receiver pair

packages/horizon/contracts/interfaces/ITAPCollector.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IPaymentsCollector } from "./IPaymentsCollector.sol";
 

packages/horizon/contracts/interfaces/internal/IHorizonStakingBase.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IHorizonStakingTypes } from "./IHorizonStakingTypes.sol";
 import { IGraphPayments } from "../IGraphPayments.sol";

packages/horizon/contracts/interfaces/internal/IHorizonStakingExtension.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IRewardsIssuer } from "@graphprotocol/contracts/contracts/rewards/IRewardsIssuer.sol";
 import { IL2StakingBase } from "@graphprotocol/contracts/contracts/l2/staking/IL2StakingBase.sol";

packages/horizon/contracts/interfaces/internal/IHorizonStakingMain.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 import { IGraphPayments } from "../../interfaces/IGraphPayments.sol";
 

packages/horizon/contracts/interfaces/internal/IHorizonStakingTypes.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /* solhint-disable var-name-mixedcase */ // TODO: create custom var-name-mixedcase
 

packages/horizon/contracts/libraries/Denominations.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title Denominations library

packages/horizon/contracts/libraries/LibFixedMath.sol

@@ -18,7 +18,7 @@
 
 // SPDX-License-Identifier: Apache-2.0
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 // solhint-disable indent
 /// @dev Signed, fixed-point, 127-bit precision math library.

packages/horizon/contracts/libraries/LinkedList.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title LinkedList library

packages/horizon/contracts/libraries/MathUtils.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title MathUtils Library

packages/horizon/contracts/libraries/PPMMath.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.26;
+pragma solidity 0.8.27;
 
 /**
  * @title PPMMath library