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Adds investmentValue to group leaderboard calculation (#855)

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* Adds investmentValue to group leaderboard calculation

* Initial investment is no longer counted, only the profit

* Simplify scoring calculation

* Remove console.log

* Group bets by user first

Co-authored-by: James Grugett <jahooma@gmail.com>
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FRC 2022-09-09 23:42:51 +01:00 committed by GitHub
parent cca870ced5
commit 26f83ac4f6
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1 changed files with 3 additions and 40 deletions
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43
common/scoring.ts
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@ -1,6 +1,7 @@
import { groupBy, sumBy, mapValues, partition } from 'lodash'
import { Bet } from './bet'
import { getContractBetMetrics } from './calculate'
import { Contract } from './contract'
import { getPayouts } from './payouts'
@ -30,46 +31,8 @@ export function scoreTraders(contracts: Contract[], bets: Bet[][]) {
}
export function scoreUsersByContract(contract: Contract, bets: Bet[]) {
const { resolution } = contract
const resolutionProb =
contract.outcomeType == 'BINARY'
? contract.resolutionProbability
: undefined
const [closedBets, openBets] = partition(
bets,
(bet) => bet.isSold || bet.sale
)
const { payouts: resolvePayouts } = getPayouts(
resolution as string,
contract,
openBets,
[],
{},
resolutionProb
)
const salePayouts = closedBets.map((bet) => {
const { userId, sale } = bet
return { userId, payout: sale ? sale.amount : 0 }
})
const investments = bets
.filter((bet) => !bet.sale)
.map((bet) => {
const { userId, amount, loanAmount } = bet
const payout = -amount - (loanAmount ?? 0)
return { userId, payout }
})
const netPayouts = [...resolvePayouts, ...salePayouts, ...investments]
const userScore = mapValues(
groupBy(netPayouts, (payout) => payout.userId),
(payouts) => sumBy(payouts, ({ payout }) => payout)
)
return userScore
const betsByUser = groupBy(bets, bet => bet.userId)
return mapValues(betsByUser, bets => getContractBetMetrics(contract, bets).profit)
}
export function addUserScores(