Nothing reports how much of the market Lens can see

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@Ingenious-02 がすでに取り組んでいます。

2026年10月16日 から。

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説明

area:api difficulty:intermediate epic:data-quality help wanted points:150 Stellar Wave
Background

Lens claims to unify Stellar pricing. The honest version of that claim is a number: of the trading activity on the network, what share passes through venues Lens indexes. Nobody can state it, including us.

What to build
  • Compare indexed volume against total network activity from Horizon over a window.
  • Publish the coverage ratio per asset and overall, with the method documented.
  • Report it even when it is unflattering — a coverage figure that only appears when high is worthless.
Acceptance criteria
  • A coverage ratio, overall and per asset
  • The method is documented and reproducible
  • It is published regardless of value
  • A test pins the ratio arithmetic

Drips Wave · Complexity: Intermediate · 150 points

Repo: Divinity-Labs/Lens. Node + Fastify + Prisma + Postgres. Tests are vitest (npm test), not jest — jest against this repo fails every file and tells you nothing.

?network= is not optional on a new route. Every row carries a network and the indexes lead with it. Read req.network ?? activeNetwork, filter on it, echo it in the response, and declare the parameter in openapi.yaml. tests/openapi.test.ts boots the server and fails if a registered route is missing from the spec.

A number without provenance is not an answer. Every figure this batch adds must carry what it was computed from: which venues, how many samples, how fresh. The point of Lens is that its numbers can be checked.

Never elide a contract id or an issuer. Take addresses from the protocol's own documentation and write them whole. A sibling repo's issue wrote CD2W5LUR…XZ4L and five contributors invented plausible contract ids to fill the gap.

Say when you cannot answer. An asset with no liquidity, a pair with one venue, a window with a gap — each has an honest answer that is not zero and not a 500. Zero is a number people act on.

Required: Before submitting, join the contributor Telegram so your work can be tracked and counted toward the Stellar Wave: https://t.me/+fxHXq8f1SwlkZDBk

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