chore: remove duplicate code

src/app/collective-rewards/rewards/hooks/useGetBuilderRewardPercentage.ts

@@ -2,14 +2,9 @@ import { BackersManagerAbi } from '@/lib/abis/v2/BackersManagerAbi'
 import { AVERAGE_BLOCKTIME } from '@/lib/constants'
 import { BackersManagerAddress } from '@/lib/contracts'
 import { useEffect, useState } from 'react'
-import { Address, parseEther } from 'viem'
+import { Address } from 'viem'
 import { useReadContract } from 'wagmi'
-
-interface BuilderRewardPercentage {
-  current: number
-  next: number
-  cooldownEndTime: bigint
-}
+import { BuilderRewardPercentage, getPercentageData } from '../utils/getPercentageData'
 
 export const useGetBuilderRewardPercentage = (builder: Address) => {
   const [rewardPercentageData, setRewardPercentageData] = useState<BuilderRewardPercentage>()
@@ -28,17 +23,7 @@ export const useGetBuilderRewardPercentage = (builder: Address) => {
 
     const [previous, next, cooldownEndTime] = data
 
-    const currentTimestamp = Math.floor(Date.now() / 1000)
-    const previousPercentage = Number((previous * 100n) / parseEther('1'))
-    const nextPercentage = Number((next * 100n) / parseEther('1'))
-    let currentPercentage = currentTimestamp < cooldownEndTime ? previousPercentage : nextPercentage
-    currentPercentage = Math.round(currentPercentage * 100) / 100
-
-    const percentageData: BuilderRewardPercentage = {
-      current: currentPercentage,
-      next: nextPercentage,
-      cooldownEndTime,
-    }
+    const percentageData = getPercentageData(previous, next, cooldownEndTime)
 
     setRewardPercentageData(percentageData)
   }, [data])

src/app/collective-rewards/rewards/hooks/useGetBuildersRewardPercentage.ts

@@ -2,14 +2,10 @@ import { BackersManagerAbi } from '@/lib/abis/v2/BackersManagerAbi'
 import { AVERAGE_BLOCKTIME } from '@/lib/constants'
 import { BackersManagerAddress } from '@/lib/contracts'
 import { useMemo } from 'react'
-import { Address, parseEther } from 'viem'
+import { Address } from 'viem'
 import { useReadContracts } from 'wagmi'
-
-export interface BuilderRewardPercentage {
-  current: number
-  next: number
-  cooldownEndTime: bigint
-}
+import { BuilderRewardPercentage, getPercentageData } from '../utils/getPercentageData'
+import { toPercentage } from '../utils/toPercentage'
 
 export const useGetBuildersRewardPercentage = (builders: Address[]) => {
   const rewardPercentageCalls = useMemo(
@@ -39,20 +35,7 @@ export const useGetBuildersRewardPercentage = (builders: Address[]) => {
     () =>
       rewardSharesResult
         ?.map(share => share.result as [bigint, bigint, bigint])
-        .map(([previous, next, cooldownEndTime]) => {
-          const currentTimestamp = Math.floor(Date.now() / 1000)
-          const previousPercentage = Number((previous * 100n) / parseEther('1'))
-          const nextPercentage = Number((next * 100n) / parseEther('1'))
-          let currentPercentage = currentTimestamp < cooldownEndTime ? previousPercentage : nextPercentage
-          currentPercentage = Math.round(currentPercentage * 100) / 100
-
-          const percentageData: BuilderRewardPercentage = {
-            current: currentPercentage,
-            next: nextPercentage,
-            cooldownEndTime,
-          }
-          return percentageData
-        }),
+        .map(([previous, next, cooldownEndTime]) => getPercentageData(previous, next, cooldownEndTime)),
     [rewardSharesResult],
   )
 

src/app/collective-rewards/rewards/utils/getPercentageData.ts

@@ -0,0 +1,22 @@
+import { toPercentage } from './toPercentage'
+
+export interface BuilderRewardPercentage {
+  current: number
+  next: number
+  cooldownEndTime: bigint
+}
+
+export const getPercentageData = (previous: bigint, next: bigint, cooldownEndTime: bigint) => {
+  const currentTimestamp = Math.floor(Date.now() / 1000)
+  const previousPercentage = toPercentage(previous)
+  const nextPercentage = toPercentage(next)
+  let currentPercentage = currentTimestamp < cooldownEndTime ? previousPercentage : nextPercentage
+  currentPercentage = Math.round(currentPercentage * 100) / 100
+
+  const percentageData: BuilderRewardPercentage = {
+    current: currentPercentage,
+    next: nextPercentage,
+    cooldownEndTime,
+  }
+  return percentageData
+}

src/app/collective-rewards/rewards/utils/toPercentage.ts

@@ -0,0 +1,3 @@
+import { parseEther } from 'viem'
+
+export const toPercentage = (value: bigint) => Number((value * 100n) / parseEther('1'))