From 57af3de231b3677c32986dcf28be289aaf1f56dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Migone?= <tomas@edgeandnode.com>
Date: Fri, 19 Sep 2025 11:36:59 -0300
Subject: [PATCH] feat: add LegacyRewardsManager to interfaces and horizon
 contracts
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Signed-off-by: Tomás Migone <tomas@edgeandnode.com>
---
 .../contracts/rewards/ILegacyRewardsManager.sol        |  8 ++++++++
 packages/interfaces/src/types/horizon.ts               |  2 ++
 .../toolshed/src/deployments/horizon/address-book.ts   | 10 +++++++++-
 packages/toolshed/src/deployments/horizon/contracts.ts |  2 ++
 4 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 packages/interfaces/contracts/contracts/rewards/ILegacyRewardsManager.sol

diff --git a/packages/interfaces/contracts/contracts/rewards/ILegacyRewardsManager.sol b/packages/interfaces/contracts/contracts/rewards/ILegacyRewardsManager.sol
new file mode 100644
index 000000000..aae740095
--- /dev/null
+++ b/packages/interfaces/contracts/contracts/rewards/ILegacyRewardsManager.sol
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+pragma solidity ^0.7.6 || 0.8.27;
+
+interface ILegacyRewardsManager {
+    function getRewards(address allocationID) external view returns (uint256);
+}
+
diff --git a/packages/interfaces/src/types/horizon.ts b/packages/interfaces/src/types/horizon.ts
index 52946154a..1e78414c9 100644
--- a/packages/interfaces/src/types/horizon.ts
+++ b/packages/interfaces/src/types/horizon.ts
@@ -12,6 +12,7 @@ import type {
   IRewardsManagerToolshed,
   IStaking,
   ISubgraphNFT,
+  ILegacyRewardsManager,
 } from '../../types'
 
 export {
@@ -28,4 +29,5 @@ export {
   IPaymentsEscrowToolshed as PaymentsEscrow,
   IRewardsManagerToolshed as RewardsManager,
   ISubgraphNFT as SubgraphNFT,
+  ILegacyRewardsManager as LegacyRewardsManager,
 }
diff --git a/packages/toolshed/src/deployments/horizon/address-book.ts b/packages/toolshed/src/deployments/horizon/address-book.ts
index fbf72aa98..8a3db914e 100644
--- a/packages/toolshed/src/deployments/horizon/address-book.ts
+++ b/packages/toolshed/src/deployments/horizon/address-book.ts
@@ -1,4 +1,4 @@
-import type { LegacyStaking } from '@graphprotocol/interfaces'
+import type { LegacyRewardsManager, LegacyStaking } from '@graphprotocol/interfaces'
 import { getInterface } from '@graphprotocol/interfaces'
 import { Provider, Signer } from 'ethers'
 import { Contract } from 'ethers'
@@ -35,6 +35,14 @@ export class GraphHorizonAddressBook extends AddressBook<number, GraphHorizonCon
         : contract) as unknown as LegacyStaking
     }
 
+    if (contracts.RewardsManager) {
+      // add LegacyRewardsManager alias using old ILegacyRewardsManager abi
+      const contract = new Contract(contracts.RewardsManager.target, getInterface('ILegacyRewardsManager'), signerOrProvider)
+      contracts.LegacyRewardsManager = (enableTxLogging
+        ? wrapTransactionCalls(contract, 'LegacyRewardsManager')
+        : contract) as unknown as LegacyRewardsManager
+    }
+
     return contracts
   }
 
diff --git a/packages/toolshed/src/deployments/horizon/contracts.ts b/packages/toolshed/src/deployments/horizon/contracts.ts
index 2f8655a40..bd852d5f0 100644
--- a/packages/toolshed/src/deployments/horizon/contracts.ts
+++ b/packages/toolshed/src/deployments/horizon/contracts.ts
@@ -8,6 +8,7 @@ import type {
   L2Curation,
   L2GNS,
   L2GraphToken,
+  LegacyRewardsManager,
   LegacyStaking,
   PaymentsEscrow,
   RewardsManager,
@@ -61,6 +62,7 @@ export interface GraphHorizonContracts extends ContractList<GraphHorizonContract
   Curation: L2Curation
   GNS: L2GNS
   LegacyStaking: LegacyStaking
+  LegacyRewardsManager: LegacyRewardsManager
 }
 
 export type GraphHorizonContractName = (typeof GraphHorizonContractNameList)[number]