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📈 Polymarket Markets

Top active markets from the Gamma API, with an AI second opinion.

\n view source\n

\n\n

Loading markets…

\n\n \n\n \n \n\n","deleted",false,"label",[19],{"_33":89,"_13":90,"_35":91,"_37":-5,"_38":39,"_40":92,"_42":43,"_44":93,"_17":46,"_47":64,"_48":94,"_50":51,"_52":-5,"_66":95,"_18":96},{"_33":81,"_13":82,"_35":83,"_37":-5,"_38":39,"_40":84,"_42":43,"_44":85,"_17":46,"_47":64,"_48":86,"_50":51,"_52":-5,"_66":87,"_18":88},{"_33":72,"_13":73,"_35":74,"_37":-5,"_38":39,"_40":75,"_42":43,"_44":76,"_17":62,"_47":77,"_48":78,"_50":51,"_52":-5,"_66":79,"_18":80},{"_33":34,"_13":19,"_35":36,"_37":-5,"_38":39,"_40":41,"_42":43,"_44":69,"_17":46,"_47":24,"_48":49,"_50":51,"_52":-5,"_66":70,"_18":71},{"_33":59,"_13":60,"_35":61,"_37":-5,"_38":39,"_40":62,"_42":43,"_44":63,"_17":46,"_47":64,"_48":65,"_50":51,"_52":-5,"_66":67,"_18":68},"6e8044ab-105e-4975-9e51-050bc2227cb3","polymarket.ts","7247e042-65a7-11f1-850f-1607ee4eb77e",9,["D",1781190527632],"script","// Fetches markets from the Polymarket Gamma API.\nconst GAMMA_MARKETS_URL = \"https://gamma-api.polymarket.com/markets\";\n\nexport interface Market {\n id: string;\n question: string;\n slug?: string;\n volume?: number;\n liquidity?: number;\n outcomes?: string;\n outcomePrices?: string;\n active?: boolean;\n closed?: boolean;\n endDate?: string;\n}\n\nexport async function fetchMarkets(limit = 20): Promise {\n const url = new URL(GAMMA_MARKETS_URL);\n url.searchParams.set(\"limit\", String(limit));\n url.searchParams.set(\"active\", \"true\");\n url.searchParams.set(\"closed\", \"false\");\n url.searchParams.set(\"order\", \"volume\");\n url.searchParams.set(\"ascending\", \"false\");\n\n const res = await fetch(url, { headers: { Accept: \"application/json\" } });\n if (!res.ok) {\n throw new Error(`Gamma API error ${res.status}: ${await res.text()}`);\n }\n const data = await res.json();\n return Array.isArray(data) ? data : (data?.data ?? []);\n}\n","children",[],[60],["D",1781190542363],[],[19],"b6e3b7be-4ca6-4e59-b3b9-55da1bc91577","main.ts","5f578fa4-659e-11f1-b456-1607ee4eb77e",14,["D",1781190599096],"http","import { Hono } from \"npm:hono\";\nimport { blob } from \"https://esm.town/v/std/blob\";\nimport { serveFile, parseVal } from \"https://esm.town/v/std/utils/index.ts\";\nimport { fetchMarkets } from \"./polymarket.ts\";\nimport { getAdvice, type ChatMessage } from \"./anthropic.ts\";\n\nconst app = new Hono();\n\n// Surface full stack traces in logs.\napp.onError((err) => Promise.reject(err));\n\n// View source link.\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// Static assets.\napp.get(\"/\", () => serveFile(\"/page.html\", import.meta.url));\napp.get(\"/client.js\", () => serveFile(\"/client.js\", import.meta.url));\n\n// Markets data for the frontend.\napp.get(\"/api/markets\", async (c) => {\n const markets = await fetchMarkets(20);\n return c.json(markets);\n});\n\n// AI advice with per-session conversation history in blob storage.\napp.post(\"/advice\", async (c) => {\n let body: { message?: string; market?: string; sessionId?: string };\n try {\n body = await c.req.json();\n } catch {\n return c.json({ error: \"Invalid JSON body\" }, 400);\n }\n\n const message = body.message?.trim();\n if (!message) {\n return c.json({ error: \"Missing 'message' field\" }, 400);\n }\n\n // Identify the session (cookie -> body -> new), so history persists per user.\n const cookie = c.req.header(\"Cookie\") ?? \"\";\n const cookieId = cookie.match(/sessionId=([^;]+)/)?.[1];\n const sessionId = cookieId ?? body.sessionId ?? crypto.randomUUID();\n const blobKey = `polymarket:session:${sessionId}`;\n\n const history: ChatMessage[] = (await blob.getJSON(blobKey)) ?? [];\n history.push({ role: \"user\", content: message });\n\n let advice: string;\n try {\n advice = await getAdvice(history, body.market);\n } catch (err) {\n console.error(\"Anthropic advice failed:\", err);\n return c.json({ error: (err as Error).message }, 502);\n }\n\n history.push({ role: \"assistant\", content: advice });\n // Cap stored history to keep blobs small.\n await blob.setJSON(blobKey, history.slice(-20));\n\n c.header(\"Set-Cookie\", `sessionId=${sessionId}; Path=/; HttpOnly; SameSite=Lax`);\n return c.json({ advice, sessionId });\n});\n\nexport default async function main(req: Request): Promise {\n return app.fetch(req);\n}\n",[],[73],"cb67da8f-d75c-4120-b89b-164430fb489e","client.js","80eea4c8-65a7-11f1-a613-1607ee4eb77e",12,["D",1781190552215],"// Browser-side logic: load markets and request AI advice.\nfunction fmtUsd(n) {\n if (n == null) return \"—\";\n return \"$\" + Math.round(Number(n)).toLocaleString();\n}\n\nasync function loadMarkets() {\n const section = document.getElementById(\"markets\");\n const tmpl = document.getElementById(\"market-card\");\n try {\n const res = await fetch(\"/api/markets\");\n if (!res.ok) throw new Error(\"Failed to load markets\");\n const markets = await res.json();\n section.innerHTML = \"\";\n if (!markets.length) {\n section.innerHTML = '

No markets found.

';\n return;\n }\n for (const m of markets) {\n const node = tmpl.content.cloneNode(true);\n node.querySelector('[data-field=\"question\"]').textContent = m.question ?? \"Untitled market\";\n node.querySelector('[data-field=\"meta\"]').textContent =\n `Volume ${fmtUsd(m.volume)} · Liquidity ${fmtUsd(m.liquidity)}`;\n\n const adviceEl = node.querySelector('[data-field=\"advice\"]');\n const btn = node.querySelector('[data-action=\"advice\"]');\n btn.addEventListener(\"click\", () => getAdvice(m.question, adviceEl, btn));\n\n section.appendChild(node);\n }\n } catch (err) {\n section.innerHTML = `

${err.message}

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