From 3b477b8cb3430aac65a3435299b2f61089ed06fa Mon Sep 17 00:00:00 2001
From: rav <rav@ipor.io>
Date: Tue, 12 May 2026 12:53:22 +0200
Subject: [PATCH 1/2] Add vesting APY as reward APY to selected IPOR Fusion
 vaults

---
 src/adaptors/fusion-by-ipor/index.js | 88 +++++++++++++++++++++++++++-
 1 file changed, 87 insertions(+), 1 deletion(-)

diff --git a/src/adaptors/fusion-by-ipor/index.js b/src/adaptors/fusion-by-ipor/index.js
index 7f5051399e..c4ba2ba9a9 100644
--- a/src/adaptors/fusion-by-ipor/index.js
+++ b/src/adaptors/fusion-by-ipor/index.js
@@ -1,8 +1,77 @@
 const axios = require('axios');
+const sdk = require('@defillama/sdk');
 const { addMerklRewardApy } = require('../merkl/merkl-additional-reward');
 
+const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
+const ONE_ETHER = 10n ** 18n;
+const SECONDS_IN_YEAR = 31556952n;
+
+const GET_REWARDS_CLAIM_MANAGER_ADDRESS_ABI =
+    'function getRewardsClaimManagerAddress() view returns (address)';
+const TOTAL_ASSETS_ABI = 'function totalAssets() view returns (uint256)';
+const GET_VESTING_DATA_ABI = {
+    type: 'function',
+    name: 'getVestingData',
+    inputs: [],
+    stateMutability: 'view',
+    outputs: [{
+        type: 'tuple',
+        components: [
+            { name: 'vestingTime', type: 'uint32' },
+            { name: 'updateBalanceTimestamp', type: 'uint32' },
+            { name: 'transferredTokens', type: 'uint128' },
+            { name: 'lastUpdateBalance', type: 'uint128' },
+        ],
+    }],
+};
+
+async function getVestingRewardsApy(vaultAddress, chain) {
+    try {
+        const rcm = (await sdk.api.abi.call({
+            target: vaultAddress,
+            chain,
+            abi: GET_REWARDS_CLAIM_MANAGER_ADDRESS_ABI,
+        })).output;
+
+        if (!rcm || rcm.toLowerCase() === ZERO_ADDRESS) return 0;
+
+        const [vestingDataRes, totalAssetsRes] = await Promise.all([
+            sdk.api.abi.call({ target: rcm, chain, abi: GET_VESTING_DATA_ABI }),
+            sdk.api.abi.call({ target: vaultAddress, chain, abi: TOTAL_ASSETS_ABI }),
+        ]);
+
+        const vestingTime = BigInt(vestingDataRes.output.vestingTime);
+        const lastUpdateBalance = BigInt(vestingDataRes.output.lastUpdateBalance);
+        const totalAssets = BigInt(totalAssetsRes.output);
+
+        if (vestingTime === 0n || lastUpdateBalance === 0n || totalAssets === 0n) {
+            return 0;
+        }
+
+        const apy_18 = ((lastUpdateBalance * ONE_ETHER) / totalAssets)
+            * (SECONDS_IN_YEAR / vestingTime)
+            * 100n;
+
+        return Number(apy_18) / 1e18;
+    } catch (e) {
+        return 0;
+    }
+}
+
 const IPOR_GITHUB_ADDRESSES_URL = "https://raw.githubusercontent.com/IPOR-Labs/ipor-abi/refs/heads/main/mainnet/addresses.json";
 const FUSION_API_URL = 'https://api.ipor.io/fusion/vaults';
+
+const VESTING_APY_VAULTS = {
+    ethereum: ["0xb9e806e8f2d94c015ffefa90cd24ecce18f1663c"],
+    arbitrum: [],
+    base: ["0x5900C3b72458F12967DC1bef35b92d271F5cDBc1", "0x17d0f109ee895bad0b68aa104aa72bd0b003ad8e", "0xe883426B4fc84A7f5cc86415CAbBef43E73a4CC8"],
+    unichain: [],
+    tac: [],
+    ink: [],
+    plasma: [],
+    avax: [],
+    katana: [],
+};
 const CHAIN_CONFIG = {
     ethereum: {
         chainId: 1
@@ -76,6 +145,7 @@ async function buildPool(vault) {
         symbol: `${vault.asset}`,
         tvlUsd,
         apyBase,
+        apyReward : 0,
         underlyingTokens: [vault.assetAddress],
         poolMeta: `${vault.name}`,
         url
@@ -100,7 +170,23 @@ const apy = async() => {
         )
     );
 
-    return addMerklRewardApy(pools, 'ipor');
+    const poolsWithMerkl = await addMerklRewardApy(pools, 'ipor');
+
+    return Promise.all(poolsWithMerkl.map(async (pool) => {
+        const allowedVaults = VESTING_APY_VAULTS[pool.chain] || [];
+        if (!allowedVaults.includes(pool.pool.toLowerCase())) return pool;
+
+        const vestingApy = await getVestingRewardsApy(pool.pool, pool.chain);
+        if (vestingApy <= 0) return pool;
+        const rewardTokens = [
+            ...new Set([...(pool.rewardTokens || []), ...pool.underlyingTokens]),
+        ];
+        return {
+            ...pool,
+            apyReward: (pool.apyReward || 0) + vestingApy,
+            rewardTokens,
+        };
+    }));
 };
 
 module.exports = {

From e833862797f0f8341ac9098941e0cc19b538166f Mon Sep 17 00:00:00 2001
From: rav <rav@ipor.io>
Date: Tue, 12 May 2026 13:07:47 +0200
Subject: [PATCH 2/2] Add fix to PR review comments

---
 src/adaptors/fusion-by-ipor/index.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/adaptors/fusion-by-ipor/index.js b/src/adaptors/fusion-by-ipor/index.js
index c4ba2ba9a9..f36e91d211 100644
--- a/src/adaptors/fusion-by-ipor/index.js
+++ b/src/adaptors/fusion-by-ipor/index.js
@@ -48,9 +48,9 @@ async function getVestingRewardsApy(vaultAddress, chain) {
             return 0;
         }
 
-        const apy_18 = ((lastUpdateBalance * ONE_ETHER) / totalAssets)
-            * (SECONDS_IN_YEAR / vestingTime)
-            * 100n;
+        const apy_18 =
+            (lastUpdateBalance * ONE_ETHER * SECONDS_IN_YEAR * 100n) /
+            (totalAssets * vestingTime);
 
         return Number(apy_18) / 1e18;
     } catch (e) {
@@ -64,7 +64,7 @@ const FUSION_API_URL = 'https://api.ipor.io/fusion/vaults';
 const VESTING_APY_VAULTS = {
     ethereum: ["0xb9e806e8f2d94c015ffefa90cd24ecce18f1663c"],
     arbitrum: [],
-    base: ["0x5900C3b72458F12967DC1bef35b92d271F5cDBc1", "0x17d0f109ee895bad0b68aa104aa72bd0b003ad8e", "0xe883426B4fc84A7f5cc86415CAbBef43E73a4CC8"],
+    base: ["0x5900c3b72458f12967dc1bef35b92d271f5cdbc1", "0x17d0f109ee895bad0b68aa104aa72bd0b003ad8e", "0xe883426b4fc84a7f5cc86415cabbef43e73a4cc8"],
     unichain: [],
     tac: [],
     ink: [],
@@ -192,4 +192,4 @@ const apy = async() => {
 module.exports = {
     timetravel: false,
     apy: apy
-};
\ No newline at end of file
+};