299 lines
9.2 KiB
TypeScript
299 lines
9.2 KiB
TypeScript
import router from 'next/router'
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import { useEffect, useState } from 'react'
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import clsx from 'clsx'
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import dayjs from 'dayjs'
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import Textarea from 'react-expanding-textarea'
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import { Spacer } from '../components/layout/spacer'
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import { useUser } from '../hooks/use-user'
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import { Contract, contractPath } from '../lib/firebase/contracts'
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import { createContract } from '../lib/firebase/api-call'
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import { FIXED_ANTE, MINIMUM_ANTE } from '../../common/antes'
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import { InfoTooltip } from '../components/info-tooltip'
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import { Page } from '../components/page'
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import { Title } from '../components/title'
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import { ProbabilitySelector } from '../components/probability-selector'
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import { parseWordsAsTags } from '../../common/util/parse'
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import { TagsList } from '../components/tags-list'
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import { Row } from '../components/layout/row'
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import { MAX_DESCRIPTION_LENGTH, outcomeType } from '../../common/contract'
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import { formatMoney } from '../../common/util/format'
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import { useHasCreatedContractToday } from '../hooks/use-has-created-contract-today'
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export default function Create() {
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const [question, setQuestion] = useState('')
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return (
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<Page>
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<div className="mx-auto w-full max-w-2xl">
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<Title text="Create a new prediction market" />
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<div className="rounded-lg bg-gray-100 px-6 py-4 shadow-md">
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<form>
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<div className="form-control w-full">
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<label className="label">
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<span className="mb-1">Question</span>
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</label>
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<Textarea
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placeholder="e.g. Will the Democrats win the 2024 US presidential election?"
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className="input input-bordered resize-none"
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autoFocus
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value={question}
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onChange={(e) => setQuestion(e.target.value || '')}
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/>
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</div>
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</form>
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<NewContract question={question} />
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</div>
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</div>
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</Page>
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)
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}
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// Allow user to create a new contract
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export function NewContract(props: { question: string; tag?: string }) {
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const { question, tag } = props
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const creator = useUser()
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useEffect(() => {
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if (creator === null) router.push('/')
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}, [creator])
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useEffect(() => {
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createContract({}).catch() // warm up function
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}, [])
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const [outcomeType, setOutcomeType] = useState<outcomeType>('BINARY')
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const [initialProb, setInitialProb] = useState(50)
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const [description, setDescription] = useState('')
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const [tagText, setTagText] = useState<string>(tag ?? '')
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const tags = parseWordsAsTags(tagText)
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const [ante, setAnte] = useState(FIXED_ANTE)
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const deservesDailyFreeMarket = !useHasCreatedContractToday(creator)
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// useEffect(() => {
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// if (ante === null && creator) {
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// const initialAnte = creator.balance < 100 ? MINIMUM_ANTE : 100
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// setAnte(initialAnte)
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// }
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// }, [ante, creator])
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// const [anteError, setAnteError] = useState<string | undefined>()
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// By default, close the market a week from today
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const weekFromToday = dayjs().add(7, 'day').format('YYYY-MM-DDT23:59')
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const [closeDate, setCloseDate] = useState<undefined | string>(weekFromToday)
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const [isSubmitting, setIsSubmitting] = useState(false)
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const closeTime = closeDate ? dayjs(closeDate).valueOf() : undefined
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const balance = creator?.balance || 0
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const isValid =
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initialProb > 0 &&
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initialProb < 100 &&
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question.length > 0 &&
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ante !== undefined &&
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ante !== null &&
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ante >= MINIMUM_ANTE &&
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(ante <= balance || deservesDailyFreeMarket) &&
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// closeTime must be in the future
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closeTime &&
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closeTime > Date.now()
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async function submit() {
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// TODO: Tell users why their contract is invalid
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if (!creator || !isValid) return
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setIsSubmitting(true)
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const result: any = await createContract({
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question,
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outcomeType,
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description,
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initialProb,
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ante,
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closeTime,
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tags,
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}).then((r) => r.data || {})
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if (result.status !== 'success') {
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console.log('error creating contract', result)
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return
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}
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await router.push(contractPath(result.contract as Contract))
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}
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const descriptionPlaceholder =
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outcomeType === 'BINARY'
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? `e.g. This market resolves to "YES" if, two weeks after closing, the...`
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: `e.g. I will choose the answer according to...`
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if (!creator) return <></>
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return (
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<div>
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<label className="label">
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<span className="mb-1">Answer type</span>
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</label>
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<Row className="form-control gap-2">
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<label className="label cursor-pointer gap-2">
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<input
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className="radio"
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type="radio"
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name="opt"
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checked={outcomeType === 'BINARY'}
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value="BINARY"
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onChange={() => setOutcomeType('BINARY')}
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/>
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<span className="label-text">Yes / No</span>
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</label>
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<label className="label cursor-pointer gap-2">
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<input
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className="radio"
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type="radio"
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name="opt"
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checked={outcomeType === 'FREE_RESPONSE'}
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value="FREE_RESPONSE"
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onChange={() => setOutcomeType('FREE_RESPONSE')}
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/>
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<span className="label-text">Free response</span>
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</label>
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</Row>
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<Spacer h={4} />
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{outcomeType === 'BINARY' && (
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<div className="form-control">
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<label className="label">
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<span className="mb-1">Initial probability</span>
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</label>
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<ProbabilitySelector
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probabilityInt={initialProb}
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setProbabilityInt={setInitialProb}
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/>
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</div>
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)}
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<Spacer h={4} />
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<div className="form-control mb-1 items-start">
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<label className="label mb-1 gap-2">
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<span className="mb-1">Description</span>
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<InfoTooltip text="Optional. Describe how you will resolve this market." />
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</label>
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<Textarea
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className="textarea textarea-bordered w-full resize-none"
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rows={3}
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maxLength={MAX_DESCRIPTION_LENGTH}
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placeholder={descriptionPlaceholder}
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value={description}
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disabled={isSubmitting}
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setDescription(e.target.value || '')}
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/>
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</div>
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{/* <Spacer h={4} />
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<div className="form-control max-w-sm items-start">
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<label className="label gap-2">
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<span className="mb-1">Tags</span>
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<InfoTooltip text="Optional. Help categorize your market with related tags." />
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</label>
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<input
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placeholder="e.g. Politics, Economics..."
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className="input input-bordered resize-none"
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disabled={isSubmitting}
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value={tagText}
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onChange={(e) => setTagText(e.target.value || '')}
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/>
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</div> */}
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<Spacer h={4} />
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<TagsList tags={tags} noLink noLabel />
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<Spacer h={4} />
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<div className="form-control mb-1 items-start">
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<label className="label mb-1 gap-2">
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<span>Market close</span>
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<InfoTooltip text="Trading will be halted after this time (local timezone)." />
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</label>
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<input
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type="datetime-local"
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className="input input-bordered"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setCloseDate(e.target.value || '')}
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min={Date.now()}
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disabled={isSubmitting}
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value={closeDate}
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/>
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</div>
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<Spacer h={4} />
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<div className="form-control mb-1 items-start">
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<label className="label mb-1 gap-2">
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<span>Cost</span>
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<InfoTooltip
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text={`Cost to create your market. This amount is used to subsidize trading.`}
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/>
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</label>
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{deservesDailyFreeMarket ? (
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<div className="label-text text-primary pl-1">FREE</div>
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) : (
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<div className="label-text text-neutral pl-1">
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{formatMoney(ante)}
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</div>
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)}
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{!deservesDailyFreeMarket && ante > balance && (
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<div className="mb-2 mt-2 mr-auto self-center whitespace-nowrap text-xs font-medium tracking-wide">
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<span className="mr-2 text-red-500">Insufficient balance</span>
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<button
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className="btn btn-xs btn-primary"
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onClick={() => (window.location.href = '/add-funds')}
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>
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Add funds
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</button>
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</div>
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)}
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{/* <BuyAmountInput
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amount={ante ?? undefined}
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minimumAmount={MINIMUM_ANTE}
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onChange={setAnte}
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error={anteError}
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setError={setAnteError}
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disabled={isSubmitting}
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contractIdForLoan={undefined}
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/> */}
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</div>
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<Spacer h={4} />
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<div className="my-4 flex justify-end">
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<button
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type="submit"
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className={clsx(
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'btn btn-primary capitalize',
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isSubmitting && 'loading disabled'
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)}
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disabled={isSubmitting || !isValid}
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onClick={(e) => {
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e.preventDefault()
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submit()
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}}
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>
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{isSubmitting ? 'Creating...' : 'Create market'}
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</button>
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</div>
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</div>
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)
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}
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