92 lines
3.4 KiB
TypeScript
92 lines
3.4 KiB
TypeScript
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// GeckoTerminal enrichment — volume/liquidity/txn stats + token USD price
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// seeds for the pricing waterfall. GT fully covers this chain's Uniswap
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// deployments (network `robinhood`, per-dex top lists) but each list is capped
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// at 10 pages × 20 = top 200 — the long tail keeps chain-derived TVL only.
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// Free tier is 30 calls/min: calls are paced ≥ TUNE.gtPaceMs apart and the
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// whole cycle (≤30 calls) runs every TUNE.statsMs.
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//
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// NOTE: GT has no UP33 dex entry — UP33 pool stats stay on the frontend's
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// existing dexscreener path; this indexer only serves the Uniswap catalog.
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import { GT, TUNE, log, sleep } from './config'
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import { poolRow, setTokenPrice, upsertStats } from './store'
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const LISTS = [
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{ path: '/networks/robinhood/pools', label: 'network' },
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{ path: '/networks/robinhood/dexes/uniswap-v2-robinhood/pools', label: 'uni-v2' },
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{ path: '/networks/robinhood/dexes/uniswap-v3-robinhood/pools', label: 'uni-v3' },
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]
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type GtPool = {
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attributes?: {
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address?: string
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reserve_in_usd?: string
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volume_usd?: { h24?: string }
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transactions?: { h24?: { buys?: number; sells?: number } }
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base_token_price_usd?: string
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quote_token_price_usd?: string
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}
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relationships?: {
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base_token?: { data?: { id?: string } }
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quote_token?: { data?: { id?: string } }
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}
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}
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let lastCall = 0
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async function gtJson(url: string): Promise<{ data?: GtPool[] } | null> {
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const wait = lastCall + TUNE.gtPaceMs - Date.now()
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if (wait > 0) await sleep(wait)
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lastCall = Date.now()
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try {
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const r = await fetch(url, { headers: { accept: 'application/json', 'user-agent': 'up33-lp-indexer/0.1' } })
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if (!r.ok) return null
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return (await r.json()) as { data?: GtPool[] }
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} catch {
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return null
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}
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}
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const num = (x: unknown): number | null => {
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const n = Number(x)
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return Number.isFinite(n) ? n : null
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}
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const tokenOfId = (id?: string): string | null =>
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id?.startsWith('robinhood_0x') ? id.slice('robinhood_'.length).toLowerCase() : null
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function ingest(p: GtPool): boolean {
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const a = p.attributes
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const addr = a?.address?.toLowerCase()
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if (!a || !addr || !poolRow(addr)) return false // catalog is the gate — unknown pools are ignored
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const reserve = num(a.reserve_in_usd)
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const h24 = a.transactions?.h24
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const txns = h24 ? (h24.buys ?? 0) + (h24.sells ?? 0) : null
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upsertStats(addr, num(a.volume_usd?.h24), txns, reserve, 'geckoterminal')
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// token price seeds: ground truth while fresh; depth = half the pool's reserve
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const depth = (reserve ?? 0) / 2
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if (depth > 0) {
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const base = tokenOfId(p.relationships?.base_token?.data?.id)
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const quote = tokenOfId(p.relationships?.quote_token?.data?.id)
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const bp = num(a.base_token_price_usd)
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const qp = num(a.quote_token_price_usd)
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if (base && bp && bp > 0) setTokenPrice(base, bp, depth, 'gt')
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if (quote && qp && qp > 0) setTokenPrice(quote, qp, depth, 'gt')
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}
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return true
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}
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/** one enrichment cycle over the three GT top lists */
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export async function gtCycle(): Promise<void> {
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let matched = 0
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let seen = 0
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for (const list of LISTS) {
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for (let page = 1; page <= 10; page++) {
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const j = await gtJson(`${GT}${list.path}?page=${page}`)
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const items = j?.data
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if (!items?.length) break
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seen += items.length
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for (const it of items) if (ingest(it)) matched++
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if (items.length < 20) break
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}
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}
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log(`[stats] gt cycle: ${matched}/${seen} list entries matched catalog`)
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}
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