82 lines
2.0 KiB
TypeScript
82 lines
2.0 KiB
TypeScript
import { toUiDecimals } from '@blockworks-foundation/mango-v4'
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import {
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AuctionHouse,
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Metaplex,
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LazyListing,
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LazyBid,
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} from '@metaplex-foundation/js'
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import {
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ALL_FILTER,
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PRICE_LOW_HIGH,
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YOUR_LISTINGS,
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} from 'hooks/market/useAuctionHouse'
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import { AUCTION_HOUSE_ID } from 'utils/constants'
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import { MANGO_MINT_DECIMALS } from 'utils/governance/constants'
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export const fetchAuctionHouse = async (metaplex: Metaplex) => {
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const auctionHouse = await metaplex
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.auctionHouse()
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.findByAddress({ address: AUCTION_HOUSE_ID })
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return auctionHouse
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}
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export const fetchFilteredListing = async (
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metaplex: Metaplex,
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auctionHouse: AuctionHouse,
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filter: string,
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page: number,
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perPage: number,
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) => {
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const listings = (
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await metaplex.auctionHouse().findListings({
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auctionHouse,
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})
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)
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.filter((x) => {
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if (filter === ALL_FILTER || filter.includes('Price')) {
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return true
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}
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if (filter === YOUR_LISTINGS) {
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return x.sellerAddress.equals(metaplex.identity().publicKey)
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}
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})
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.filter((x) => !x.canceledAt && !x.purchaseReceiptAddress)
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.sort((a, b) => {
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if (filter.includes('Price')) {
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const aPrice = toUiDecimals(
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a.price.basisPoints.toNumber(),
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MANGO_MINT_DECIMALS,
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)
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const bPrice = toUiDecimals(
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b.price.basisPoints.toNumber(),
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MANGO_MINT_DECIMALS,
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)
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return filter === PRICE_LOW_HIGH ? aPrice - bPrice : bPrice - aPrice
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}
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return b.createdAt.toNumber() - a.createdAt.toNumber()
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})
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const filteredListings = listings.slice(
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(page - 1) * perPage,
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page * perPage,
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) as LazyListing[]
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return {
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results: filteredListings,
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totalPages: Math.ceil(listings.length / perPage),
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}
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}
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export const fetchFilteredBids = async (
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metaplex: Metaplex,
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auctionHouse: AuctionHouse,
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) => {
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const bids = await metaplex.auctionHouse().findBids({
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auctionHouse,
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})
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return bids.filter(
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(x) => !x.canceledAt && !x.purchaseReceiptAddress,
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) as LazyBid[]
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}
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