385 lines
10 KiB
TypeScript
385 lines
10 KiB
TypeScript
import Link from 'next/link'
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import _ from 'lodash'
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import dayjs from 'dayjs'
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import { useEffect, useState } from 'react'
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import clsx from 'clsx'
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import { useUserBets } from '../hooks/use-user-bets'
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import { Bet } from '../lib/firebase/bets'
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import { User } from '../lib/firebase/users'
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import {
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formatMoney,
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formatPercent,
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formatWithCommas,
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} from '../lib/util/format'
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import { Col } from './layout/col'
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import { Spacer } from './layout/spacer'
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import {
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Contract,
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getContractFromId,
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contractPath,
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} from '../lib/firebase/contracts'
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import { Row } from './layout/row'
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import { UserLink } from './user-page'
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import {
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calculatePayout,
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calculateSaleAmount,
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resolvedPayout,
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} from '../../common/calculate'
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import { sellBet } from '../lib/firebase/api-call'
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import { ConfirmationButton } from './confirmation-button'
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import { OutcomeLabel, YesLabel, NoLabel, MarketLabel } from './outcome-label'
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export function BetsList(props: { user: User }) {
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const { user } = props
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const bets = useUserBets(user?.id ?? '')
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const [contracts, setContracts] = useState<Contract[]>([])
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useEffect(() => {
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const loadedBets = bets === 'loading' ? [] : bets
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const contractIds = _.uniq(loadedBets.map((bet) => bet.contractId))
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let disposed = false
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Promise.all(contractIds.map((id) => getContractFromId(id))).then(
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(contracts) => {
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if (!disposed) setContracts(contracts.filter(Boolean) as Contract[])
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}
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)
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return () => {
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disposed = true
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}
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}, [bets])
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if (bets === 'loading') {
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return <></>
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}
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if (bets.length === 0)
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return (
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<div>
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You have not made any bets yet.{' '}
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<Link href="/">
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<a className="text-green-500 hover:underline hover:decoration-2">
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Find a prediction market!
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</a>
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</Link>
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</div>
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)
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// Decending creation time.
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bets.sort((bet1, bet2) => bet2.createdTime - bet1.createdTime)
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const contractBets = _.groupBy(bets, 'contractId')
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const [resolved, unresolved] = _.partition(
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contracts,
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(contract) => contract.isResolved
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)
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const currentBets = _.sumBy(unresolved, (contract) =>
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_.sumBy(contractBets[contract.id], (bet) => {
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if (bet.isSold || bet.sale) return 0
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return bet.amount
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})
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)
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const currentBetsValue = _.sumBy(unresolved, (contract) =>
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_.sumBy(contractBets[contract.id], (bet) => {
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if (bet.isSold || bet.sale) return 0
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return calculatePayout(contract, bet, 'MKT')
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})
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)
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return (
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<Col className="mt-6 gap-6">
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<Row className="gap-8">
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<Col>
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<div className="text-sm text-gray-500">Currently invested</div>
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<div>{formatMoney(currentBets)}</div>
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</Col>
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<Col>
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<div className="text-sm text-gray-500">Current value</div>
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<div>{formatMoney(currentBetsValue)}</div>
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</Col>
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</Row>
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{[...unresolved, ...resolved].map((contract) => (
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<MyContractBets
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key={contract.id}
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contract={contract}
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bets={contractBets[contract.id] ?? []}
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/>
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))}
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</Col>
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)
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}
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function MyContractBets(props: { contract: Contract; bets: Bet[] }) {
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const { bets, contract } = props
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const { resolution } = contract
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const [collapsed, setCollapsed] = useState(true)
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return (
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<div
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tabIndex={0}
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className={clsx(
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'p-6 bg-white card card-body shadow-xl collapse collapse-arrow cursor-pointer relative',
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collapsed ? 'collapse-close' : 'collapse-open pb-2'
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)}
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onClick={() => setCollapsed((collapsed) => !collapsed)}
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>
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<Row className="flex-wrap gap-4">
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<Col className="flex-[2] gap-1">
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<Row className="mr-6">
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<Link href={contractPath(contract)}>
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<a
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className="font-medium text-indigo-700 hover:underline hover:decoration-indigo-400 hover:decoration-2"
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onClick={(e) => e.stopPropagation()}
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>
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{contract.question}
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</a>
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</Link>
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{/* Show carrot for collapsing. Hack the positioning. */}
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<div
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className="collapse-title p-0 absolute w-0 h-0 min-h-0"
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style={{ top: -10, right: 4 }}
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/>
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</Row>
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<Row className="gap-2 text-gray-500 text-sm">
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<UserLink
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name={contract.creatorName}
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username={contract.creatorUsername}
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/>
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{resolution && (
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<>
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<div>•</div>
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<div className="whitespace-nowrap">
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Resolved <OutcomeLabel outcome={resolution} />
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</div>
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</>
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)}
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</Row>
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</Col>
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<MyBetsSummary
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className="flex-1 justify-end mr-5 sm:mr-8"
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contract={contract}
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bets={bets}
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/>
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</Row>
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<div
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className="collapse-content !px-0"
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style={{ backgroundColor: 'white' }}
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>
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<Spacer h={8} />
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<ContractBetsTable contract={contract} bets={bets} />
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</div>
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</div>
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)
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}
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export function MyBetsSummary(props: {
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contract: Contract
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bets: Bet[]
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showMKT?: boolean
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className?: string
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}) {
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const { bets, contract, showMKT, className } = props
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const { resolution } = contract
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const excludeSales = bets.filter((b) => !b.isSold && !b.sale)
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const betsTotal = _.sumBy(excludeSales, (bet) => bet.amount)
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const betsPayout = resolution
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? _.sumBy(excludeSales, (bet) => resolvedPayout(contract, bet))
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: 0
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const yesWinnings = _.sumBy(excludeSales, (bet) =>
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calculatePayout(contract, bet, 'YES')
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)
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const noWinnings = _.sumBy(excludeSales, (bet) =>
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calculatePayout(contract, bet, 'NO')
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)
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const marketWinnings = _.sumBy(excludeSales, (bet) =>
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calculatePayout(contract, bet, 'MKT')
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)
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return (
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<Row
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className={clsx(
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'gap-4 sm:gap-6',
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showMKT && 'flex-wrap sm:flex-nowrap',
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className
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)}
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>
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<Col>
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<div className="text-sm text-gray-500 whitespace-nowrap">Invested</div>
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<div className="whitespace-nowrap">{formatMoney(betsTotal)}</div>
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</Col>
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{resolution ? (
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<Col>
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<div className="text-sm text-gray-500">Payout</div>
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<div className="whitespace-nowrap">{formatMoney(betsPayout)}</div>
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</Col>
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) : (
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<Row className="gap-4 sm:gap-6">
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<Col>
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<div className="text-sm text-gray-500 whitespace-nowrap">
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Payout if <YesLabel />
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</div>
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<div className="whitespace-nowrap">{formatMoney(yesWinnings)}</div>
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</Col>
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<Col>
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<div className="text-sm text-gray-500 whitespace-nowrap">
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Payout if <NoLabel />
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</div>
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<div className="whitespace-nowrap">{formatMoney(noWinnings)}</div>
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</Col>
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{showMKT && (
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<Col>
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<div className="text-sm text-gray-500 whitespace-nowrap">
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Payout if <MarketLabel />
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</div>
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<div className="whitespace-nowrap">
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{formatMoney(marketWinnings)}
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</div>
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</Col>
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)}
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</Row>
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)}
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</Row>
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)
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}
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export function ContractBetsTable(props: {
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contract: Contract
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bets: Bet[]
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className?: string
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}) {
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const { contract, bets, className } = props
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const [sales, buys] = _.partition(bets, (bet) => bet.sale)
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const salesDict = _.fromPairs(
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sales.map((sale) => [sale.sale?.betId ?? '', sale])
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)
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const { isResolved } = contract
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return (
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<div className={clsx('overflow-x-auto', className)}>
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<table className="table table-zebra table-compact text-gray-500 w-full">
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<thead>
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<tr className="p-2">
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<th>Date</th>
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<th>Outcome</th>
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<th>Amount</th>
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<th>Probability</th>
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<th>Shares</th>
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<th>{isResolved ? <>Payout</> : <>Sale price</>}</th>
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<th></th>
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</tr>
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</thead>
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<tbody>
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{buys.map((bet) => (
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<BetRow
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key={bet.id}
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bet={bet}
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sale={salesDict[bet.id]}
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contract={contract}
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/>
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))}
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</tbody>
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</table>
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</div>
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)
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}
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function BetRow(props: { bet: Bet; contract: Contract; sale?: Bet }) {
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const { bet, sale, contract } = props
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const {
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amount,
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outcome,
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createdTime,
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probBefore,
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probAfter,
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shares,
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isSold,
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} = bet
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const { isResolved, closeTime } = contract
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const isClosed = closeTime && Date.now() > closeTime
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return (
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<tr>
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<td>{dayjs(createdTime).format('MMM D, h:mma')}</td>
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<td>
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<OutcomeLabel outcome={outcome} />
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</td>
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<td>{formatMoney(amount)}</td>
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<td>
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{formatPercent(probBefore)} → {formatPercent(probAfter)}
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</td>
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<td>{formatWithCommas(shares)}</td>
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<td>
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{sale ? (
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<>{formatMoney(Math.abs(sale.amount))} (sold)</>
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) : (
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formatMoney(
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isResolved
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? resolvedPayout(contract, bet)
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: calculateSaleAmount(contract, bet)
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)
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)}
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</td>
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{!isResolved && !isClosed && !isSold && (
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<td className="text-neutral">
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<SellButton contract={contract} bet={bet} />
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</td>
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)}
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</tr>
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)
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}
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function SellButton(props: { contract: Contract; bet: Bet }) {
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useEffect(() => {
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// warm up cloud function
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sellBet({}).catch()
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}, [])
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const { contract, bet } = props
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const [isSubmitting, setIsSubmitting] = useState(false)
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return (
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<ConfirmationButton
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id={`sell-${bet.id}`}
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openModelBtn={{
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className: clsx('btn-sm', isSubmitting && 'btn-disabled loading'),
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label: 'Sell',
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}}
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submitBtn={{ className: 'btn-primary' }}
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onSubmit={async () => {
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setIsSubmitting(true)
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await sellBet({ contractId: contract.id, betId: bet.id })
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setIsSubmitting(false)
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}}
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>
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<div className="text-2xl mb-4">
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Sell <OutcomeLabel outcome={bet.outcome} />
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</div>
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<div>
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Do you want to sell {formatWithCommas(bet.shares)} shares of{' '}
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<OutcomeLabel outcome={bet.outcome} /> for{' '}
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{formatMoney(calculateSaleAmount(contract, bet))}?
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</div>
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</ConfirmationButton>
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)
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}
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