Manifold Market Tool

\n\n

API Key

\n setApiKey(e.target.value)}\n placeholder=\"Enter Manifold API key\"\n className=\"border p-2 rounded w-full mb-2\"\n />\n \n

\n\n

\n setUrl(e.target.value)}\n placeholder=\"Paste a Manifold market URL\"\n className=\"flex-1 border p-2 rounded\"\n />\n \n \n\n {result && (\n

{result.market}

Total probability: {result.totalProbability.toFixed(3)}

{a.text}: {(a.prob * 100).toFixed(2)}%

\n )}\n\n {result && (\n

Test Bet

\n setBetAmount(Number(e.target.value))}\n placeholder=\"Amount\"\n className=\"border p-2 rounded w-full mb-2\"\n />\n \n

\n )}\n\n {status && (\n

{status}

\n )}\n

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")!).render();\n}\nif (typeof document !== \"undefined\") client();\nexport { client };\n\nexport default async function server(req: Request): Promise {\n const { pathname } = new URL(req.url);\n\n if (pathname === \"/analyze\" && req.method === \"POST\") {\n const { url } = await req.json();\n if (!url) return new Response(\"Missing url\", { status: 400 });\n\n const parts = url.split(\"/\");\n const slug = parts.pop() || parts.pop();\n\n const apiUrl = `https://manifold.markets/api/v0/slug/${slug}`;\n const res = await fetch(apiUrl);\n if (!res.ok) return new Response(`Failed to fetch market: ${res.statusText}`, { status: 500 });\n\n const data = await res.json();\n if (data.mechanism !== \"cpmm-multi-1\" || !data.answers) {\n return new Response(\"This market is not a multiple choice market.\", { status: 400 });\n }\n\n const answers = data.answers.map((a: any) => ({ id: a.id, text: a.text, prob: a.probability }));\n answers.sort((a: any, b: any) => b.prob - a.prob);\n const total = answers.reduce((sum: number, a: any) => sum + a.prob, 0);\n\n return new Response(JSON.stringify({ market: data.question, totalProbability: total, answers, contractId: data.id }), {\n headers: { \"content-type\": \"application/json\" },\n });\n }\n\n if (pathname === \"/betTest\" && req.method === \"POST\") {\n const { url, apiKey, amount } = await req.json();\n if (!url || !apiKey || !amount) return new Response(\"Missing parameters\", { status: 400 });\n\n const parts = url.split(\"/\");\n const slug = parts.pop() || parts.pop();\n\n const apiUrl = `https://manifold.markets/api/v0/slug/${slug}`;\n const res = await fetch(apiUrl);\n if (!res.ok) return new Response(`Failed to fetch market: ${res.statusText}`, { status: 500 });\n\n const data = await res.json();\n if (data.mechanism !== \"cpmm-multi-1\" || !data.answers) {\n return new Response(\"This market is not a multiple choice market.\", { status: 400 });\n }\n\n const first = data.answers.sort((a: any, b: any) => b.probability - a.probability)[0];\n\n const betRes = await fetch(\"https://manifold.markets/api/v0/bet\", {\n method: \"POST\",\n headers: {\n \"content-type\": \"application/json\",\n \"Authorization\": `Key ${apiKey}`,\n },\n body: JSON.stringify({\n contractId: data.id,\n outcome: first.id,\n amount,\n }),\n });\n const betJson = await betRes.json();\n\n return new Response(JSON.stringify({ answer: first.text, status: betRes.status, response: betJson }, null, 2), {\n headers: { \"content-type\": \"application/json\" },\n });\n }\n\n return new Response(`\n \n \n \n \n Manifold Market Tool\n \n \n \n \n \n

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