2022-09-28 03:24:42 +00:00
|
|
|
import { useMemo, useRef } from 'react'
|
|
|
|
import { max, range } from 'lodash'
|
2022-09-28 08:00:39 +00:00
|
|
|
import { scaleLinear } from 'd3-scale'
|
2022-09-28 03:24:42 +00:00
|
|
|
|
|
|
|
import { getDpmOutcomeProbabilities } from 'common/calculate-dpm'
|
|
|
|
import { NumericContract } from 'common/contract'
|
|
|
|
import { NUMERIC_GRAPH_COLOR } from 'common/numeric-constants'
|
|
|
|
import { useIsMobile } from 'web/hooks/use-is-mobile'
|
|
|
|
import { MARGIN_X, MARGIN_Y } from '../helpers'
|
|
|
|
import { SingleValueDistributionChart } from '../generic-charts'
|
|
|
|
import { useElementWidth } from 'web/hooks/use-element-width'
|
|
|
|
|
|
|
|
const getNumericChartData = (contract: NumericContract) => {
|
|
|
|
const { totalShares, bucketCount, min, max } = contract
|
|
|
|
const step = (max - min) / bucketCount
|
|
|
|
const bucketProbs = getDpmOutcomeProbabilities(totalShares)
|
|
|
|
return range(bucketCount).map(
|
|
|
|
(i) => [min + step * (i + 0.5), bucketProbs[`${i}`]] as const
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
export const NumericContractChart = (props: {
|
|
|
|
contract: NumericContract
|
|
|
|
height?: number
|
|
|
|
}) => {
|
|
|
|
const { contract } = props
|
|
|
|
const data = useMemo(() => getNumericChartData(contract), [contract])
|
|
|
|
const isMobile = useIsMobile(800)
|
|
|
|
const containerRef = useRef<HTMLDivElement>(null)
|
|
|
|
const width = useElementWidth(containerRef) ?? 0
|
|
|
|
const height = props.height ?? (isMobile ? 150 : 250)
|
|
|
|
const maxY = max(data.map((d) => d[1])) as number
|
|
|
|
const xScale = scaleLinear(
|
|
|
|
[contract.min, contract.max],
|
|
|
|
[0, width - MARGIN_X]
|
|
|
|
)
|
|
|
|
const yScale = scaleLinear([0, maxY], [height - MARGIN_Y, 0])
|
|
|
|
return (
|
|
|
|
<div ref={containerRef}>
|
|
|
|
{width && (
|
|
|
|
<SingleValueDistributionChart
|
|
|
|
w={width}
|
|
|
|
h={height}
|
|
|
|
xScale={xScale}
|
|
|
|
yScale={yScale}
|
|
|
|
data={data}
|
|
|
|
color={NUMERIC_GRAPH_COLOR}
|
|
|
|
/>
|
|
|
|
)}
|
|
|
|
</div>
|
|
|
|
)
|
|
|
|
}
|