340 lines
10 KiB
TypeScript
340 lines
10 KiB
TypeScript
import React, { useEffect, useState } from 'react'
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import { useContractWithPreload } from '../../hooks/use-contract'
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import { ContractOverview } from '../../components/contract/contract-overview'
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import { BetPanel } from '../../components/bet-panel'
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import { Col } from '../../components/layout/col'
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import { useUser } from '../../hooks/use-user'
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import { ResolutionPanel } from '../../components/resolution-panel'
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import { ContractBetsTable, MyBetsSummary } from '../../components/bets-list'
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import { useBets } from '../../hooks/use-bets'
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import { Title } from '../../components/title'
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import { Spacer } from '../../components/layout/spacer'
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import { listUsers, User } from '../../lib/firebase/users'
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import {
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Contract,
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getContractFromSlug,
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tradingAllowed,
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getBinaryProbPercent,
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} from '../../lib/firebase/contracts'
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import { SEO } from '../../components/SEO'
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import { Page } from '../../components/page'
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import { contractTextDetails } from '../../components/contract/contract-card'
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import { Bet, listAllBets } from '../../lib/firebase/bets'
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import { Comment, listAllComments } from '../../lib/firebase/comments'
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import Custom404 from '../404'
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import { getFoldsByTags } from '../../lib/firebase/folds'
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import { Fold } from '../../../common/fold'
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import { useFoldsWithTags } from '../../hooks/use-fold'
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import { listAllAnswers } from '../../lib/firebase/answers'
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import { Answer } from '../../../common/answer'
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import { AnswersPanel } from '../../components/answers/answers-panel'
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import { fromPropz, usePropz } from '../../hooks/use-propz'
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import { Leaderboard } from '../../components/leaderboard'
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import _ from 'lodash'
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import { calculatePayout, resolvedPayout } from '../../../common/calculate'
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import { formatMoney } from '../../../common/util/format'
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import { FeedBet, FeedComment } from '../../components/feed/feed-items'
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import { useUserById } from '../../hooks/use-users'
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export const getStaticProps = fromPropz(getStaticPropz)
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export async function getStaticPropz(props: {
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params: { username: string; contractSlug: string }
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}) {
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const { username, contractSlug } = props.params
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const contract = (await getContractFromSlug(contractSlug)) || null
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const contractId = contract?.id
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const foldsPromise = getFoldsByTags(contract?.tags ?? [])
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const [bets, comments, answers] = await Promise.all([
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contractId ? listAllBets(contractId) : [],
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contractId ? listAllComments(contractId) : [],
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contractId && contract.outcomeType === 'FREE_RESPONSE'
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? listAllAnswers(contractId)
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: [],
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])
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const folds = await foldsPromise
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return {
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props: {
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contract,
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username,
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slug: contractSlug,
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bets,
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comments,
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answers,
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folds,
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},
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revalidate: 60, // regenerate after a minute
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}
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}
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export async function getStaticPaths() {
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return { paths: [], fallback: 'blocking' }
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}
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export default function ContractPage(props: {
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contract: Contract | null
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username: string
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bets: Bet[]
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comments: Comment[]
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answers: Answer[]
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slug: string
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folds: Fold[]
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}) {
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props = usePropz(props, getStaticPropz) ?? {
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contract: null,
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username: '',
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comments: [],
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answers: [],
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bets: [],
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slug: '',
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folds: [],
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}
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const user = useUser()
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const contract = useContractWithPreload(props.contract)
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const { bets, comments } = props
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// Sort for now to see if bug is fixed.
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comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
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bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
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if (!contract) {
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return <Custom404 />
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}
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const { creatorId, isResolved, question, outcomeType } = contract
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const isCreator = user?.id === creatorId
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const isBinary = outcomeType === 'BINARY'
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const allowTrade = tradingAllowed(contract)
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const allowResolve = !isResolved && isCreator && !!user
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const hasSidePanel = isBinary && (allowTrade || allowResolve)
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const ogCardProps = getOpenGraphProps(contract)
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const rightSidebar = hasSidePanel ? (
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<Col className="gap-4">
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{allowTrade && (
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<BetPanel className="hidden xl:flex" contract={contract} />
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)}
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{allowResolve && <ResolutionPanel creator={user} contract={contract} />}
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</Col>
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) : null
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return (
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<Page rightSidebar={rightSidebar}>
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{ogCardProps && (
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<SEO
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title={question}
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description={ogCardProps.description}
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url={`/${props.username}/${props.slug}`}
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ogCardProps={ogCardProps}
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/>
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)}
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<Col className="w-full justify-between rounded border-0 border-gray-100 bg-white px-2 py-6 md:px-6 md:py-8">
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<ContractOverview
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contract={contract}
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bets={bets ?? []}
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comments={comments ?? []}
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>
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{contract.outcomeType === 'FREE_RESPONSE' && (
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<>
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<Spacer h={4} />
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<AnswersPanel
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contract={contract as any}
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answers={props.answers}
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/>
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<Spacer h={4} />
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</>
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)}
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</ContractOverview>
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{contract.isResolved && (
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<>
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<div className="grid grid-cols-1 sm:grid-cols-2">
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<ContractLeaderboard contract={contract} bets={bets} />
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<ContractTopTrades
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contract={contract}
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bets={bets}
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comments={comments}
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/>
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</div>
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<Spacer h={12} />
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</>
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)}
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<BetsSection contract={contract} user={user ?? null} bets={bets} />
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</Col>
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</Page>
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)
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}
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function BetsSection(props: {
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contract: Contract
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user: User | null
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bets: Bet[]
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}) {
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const { contract, user } = props
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const bets = useBets(contract.id) ?? props.bets
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// Decending creation time.
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bets.sort((bet1, bet2) => bet2.createdTime - bet1.createdTime)
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const userBets = user && bets.filter((bet) => bet.userId === user.id)
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if (!userBets || userBets.length === 0) return <></>
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return (
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<div>
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<Title className="px-2" text="Your trades" />
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<MyBetsSummary className="px-2" contract={contract} bets={userBets} />
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<Spacer h={6} />
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<ContractBetsTable contract={contract} bets={userBets} />
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<Spacer h={12} />
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</div>
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)
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}
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function ContractLeaderboard(props: { contract: Contract; bets: Bet[] }) {
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const { contract, bets } = props
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const [users, setUsers] = useState<User[]>()
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// Create a map of userIds to total profits (including sales)
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const betsByUser = _.groupBy(bets, 'userId')
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const userProfits = _.mapValues(betsByUser, (bets) =>
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_.sumBy(bets, (bet) => resolvedPayout(contract, bet) - bet.amount)
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)
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// Find the 5 users with the most profits
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const top5Ids = _.entries(userProfits)
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.sort(([i1, p1], [i2, p2]) => p2 - p1)
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.filter(([, p]) => p > 0)
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.slice(0, 5)
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.map(([id]) => id)
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useEffect(() => {
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if (top5Ids.length > 0) {
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listUsers(top5Ids).then((users) => {
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const sortedUsers = _.sortBy(users, (user) => -userProfits[user.id])
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setUsers(sortedUsers)
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})
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}
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}, [])
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return users && users.length > 0 ? (
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<Leaderboard
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title="🏅 Top traders"
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users={users || []}
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columns={[
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{
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header: 'Total profit',
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renderCell: (user) => formatMoney(userProfits[user.id] || 0),
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},
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]}
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className="mt-12 max-w-sm"
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/>
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) : null
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}
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function ContractTopTrades(props: {
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contract: Contract
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bets: Bet[]
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comments: Comment[]
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}) {
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const { contract, bets, comments } = props
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const commentsById = _.keyBy(comments, 'id')
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const betsById = _.keyBy(bets, 'id')
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// If 'id2' is the sale of 'id1', both are logged with (id2 - id1) of profit
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// Otherwise, we record the profit at resolution time
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const profitById: Record<string, number> = {}
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for (const bet of bets) {
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if (bet.sale) {
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const originalBet = betsById[bet.sale.betId]
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const profit = bet.sale.amount - originalBet.amount
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profitById[bet.id] = profit
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profitById[originalBet.id] = profit
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} else {
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profitById[bet.id] = resolvedPayout(contract, bet) - bet.amount
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}
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}
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// Now find the betId with the highest profit
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const topBetId = _.sortBy(bets, (b) => -profitById[b.id])[0]?.id
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const topBettor = useUserById(betsById[topBetId]?.userId)
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// And also the commentId of the comment with the highest profit
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const topCommentId = _.sortBy(comments, (c) => -profitById[c.betId])[0]?.id
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return (
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<div className="mt-12 max-w-sm">
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{topCommentId && profitById[topCommentId] > 0 && (
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<>
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<Title text="💬 Proven correct" className="!mt-0" />
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<div className="relative flex items-start space-x-3 rounded-md bg-gray-50 px-2 py-4">
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<FeedComment
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contract={contract}
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comment={commentsById[topCommentId]}
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bet={betsById[topCommentId]}
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hideOutcome={false}
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truncate={false}
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smallAvatar={false}
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/>
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</div>
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<div className="mt-2 text-sm text-gray-500">
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{commentsById[topCommentId].userName} made{' '}
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{formatMoney(profitById[topCommentId] || 0)}!
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</div>
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<Spacer h={16} />
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</>
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)}
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{/* If they're the same, only show the comment; otherwise show both */}
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{topBettor && topBetId !== topCommentId && profitById[topBetId] > 0 && (
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<>
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<Title text="💸 Smartest money" className="!mt-0" />
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<div className="relative flex items-start space-x-3 rounded-md bg-gray-50 px-2 py-4">
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<FeedBet
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contract={contract}
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bet={betsById[topBetId]}
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hideOutcome={false}
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smallAvatar={false}
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bettor={topBettor}
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/>
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</div>
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<div className="mt-2 text-sm text-gray-500">
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{topBettor?.name} made {formatMoney(profitById[topBetId] || 0)}!
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</div>
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</>
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)}
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</div>
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)
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}
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const getOpenGraphProps = (contract: Contract) => {
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const { resolution, question, creatorName, creatorUsername, outcomeType } =
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contract
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const probPercent =
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outcomeType === 'BINARY' ? getBinaryProbPercent(contract) : undefined
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const description = resolution
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? `Resolved ${resolution}. ${contract.description}`
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: probPercent
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? `${probPercent} chance. ${contract.description}`
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: contract.description
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return {
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question,
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probability: probPercent,
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metadata: contractTextDetails(contract),
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creatorName: creatorName,
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creatorUsername: creatorUsername,
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description,
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}
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}
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