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Refactor APY calculation logic #197

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merged 2 commits into from
Apr 23, 2024
Merged

Refactor APY calculation logic #197

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5c16033
Refactor APY calculation logic
jakubswierczek Apr 23, 2024
ad8a3b1
Add MEVETH and comment out WEETH, EZETH in yield pools
jakubswierczek Apr 23, 2024
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35 changes: 15 additions & 20 deletions summerfi-api/get-apy-function/src/tokens-apy-service/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -65,34 +65,29 @@ export const getTokenApyService = ({
return acc
}, new Map<ShortDate, EnrichedPoolHistoryEntry[]>())

const perDay = Array.from(relevantData.entries()).map(([date, elements]) => {
const total = elements.reduce((acc, element) => acc + element.apy, 0)
const apy = total / elements.length
const perDay = Array.from(relevantData.entries())
.map(([date, elements]) => {
const total = elements.reduce((acc, element) => acc + element.apy, 0)
const apy = total / elements.length

return { date, apy, timestamp: getTimestamp(date) }
})
return { date, apy, timestamp: getTimestamp(date) }
})
.sort((a, b) => b.timestamp - a.timestamp)

const timestamp7daysAgo = daysAgo(referenceDate, 7)
const timestamp30daysAgo = daysAgo(referenceDate, 30)
const timestamp90daysAgo = daysAgo(referenceDate, 90)

const apy7d =
perDay
.filter((entry) => entry.timestamp >= timestamp7daysAgo)
.reduce((acc, entry) => acc + entry.apy, 0) / 7
const apy30d =
perDay
.filter((entry) => entry.timestamp >= timestamp30daysAgo)
.reduce((acc, entry) => acc + entry.apy, 0) / 30
const apy90d =
perDay
.filter((entry) => entry.timestamp >= timestamp90daysAgo)
.reduce((acc, entry) => acc + entry.apy, 0) / 90
const elements7d = perDay.filter((entry) => entry.timestamp >= timestamp7daysAgo)
const elements30d = perDay.filter((entry) => entry.timestamp >= timestamp30daysAgo)
const elements90d = perDay.filter((entry) => entry.timestamp >= timestamp90daysAgo)

const apy7d = elements7d.reduce((acc, entry) => acc + entry.apy, 0) / elements7d.length
const apy30d = elements30d.reduce((acc, entry) => acc + entry.apy, 0) / elements30d.length
const apy90d = elements90d.reduce((acc, entry) => acc + entry.apy, 0) / elements90d.length
const apy365d = perDay.reduce((acc, entry) => acc + entry.apy, 0) / perDay.length

const apy1d =
perDay.find((entry) => entry.timestamp === getTimestamp(getShortDate(referenceDate)))
?.apy ?? 0
const apy1d = perDay[0].apy ?? 0

return {
token: { address, symbol },
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