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labrinyang
d73eaf873a
A price used to propagate from any pool with enough depth on the priced side, which let a thin pool with one inflated side mint a price for its other token and carry it across the graph. Depth is now measured on the side that is already credibly priced, and a pool-priced side may claim at most 100x that depth. Guard rails around it, all in one place: prices travel at most 3 hops from a GT/anchor seed, |tick| beyond 700k is a broken init rather than a market, stored prices must land in a plausibility band, and a TVL above $1B is treated as corrupt instead of as a whale. Adds a log tail so pool stats follow chain events instead of polling, a demand-gated frontpage, and a last-good fallback so a failed refresh serves the previous stat rather than a hole. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
// Proves the event-tail signal on Robinhood Chain: one eth_getLogs over the
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// last SPAN blocks surfaces every pool that traded, grouped by event.
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// Run: npm run smoke:logtail
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import { numberToHex } from 'viem'
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import { pc } from '../indexer/rpc'
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import { TOPICS } from '../indexer/logtail'
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const SPAN = 1_500
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const NAMES = ['v2 Sync', 'v3 Swap', 'v3 Mint', 'v3 Burn']
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const head = Number(await pc.getBlockNumber())
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const from = head - SPAN + 1
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const logs = (await pc.request({
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method: 'eth_getLogs',
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params: [{ fromBlock: numberToHex(from), toBlock: numberToHex(head), topics: [TOPICS] }],
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})) as { address: string; topics: string[] }[]
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const pools = new Set<string>()
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const byTopic = new Map<string, number>()
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for (const l of logs) {
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pools.add(l.address.toLowerCase())
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byTopic.set(l.topics[0], (byTopic.get(l.topics[0]) ?? 0) + 1)
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}
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console.log(`blocks ${from}-${head} (${SPAN}): ${logs.length} logs, ${pools.size} distinct pools`)
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TOPICS.forEach((t, i) => console.log(` ${NAMES[i].padEnd(8)} ${byTopic.get(t) ?? 0}`))
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console.log('sample pools:', [...pools].slice(0, 8).join(' '))
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