CURBy Random Number Generator

Enter a max value to get a random number between 1 and max.

\n\n Max:\n \n \n\n

\n\n

view source

\n\n \n\n\n","label",[162,65],"frontend","pulls","branches","forks","envVars",{"_170":26,"_172":26},"connections",{"_170":26,"_171":26},"count","unfilledCount","emptyCount",{"_33":188,"_13":162,"_63":153,"_43":-5,"_35":36,"_154":40,"_155":94,"_37":189,"_39":26,"_66":190,"_158":-5,"_67":24,"_160":-5,"_182":191,"_17":192},{"_33":152,"_13":65,"_63":64,"_43":153,"_35":36,"_154":73,"_155":94,"_37":185,"_39":157,"_66":21,"_158":159,"_67":24,"_160":-5,"_182":186,"_17":187},{"_33":176,"_13":177,"_63":92,"_43":-5,"_35":36,"_154":117,"_155":94,"_37":178,"_39":179,"_66":180,"_158":181,"_67":24,"_160":-5,"_182":183,"_17":184},"cfc54208-371e-11f1-9b5d-42b51c65c3df","main.ts",["D",1776074089942],13,"http","import { Hono } from \"npm:hono@4\";\nimport { Client } from \"npm:@buff-beacon-project/curby-client@1\";\nimport { boundedRandom } from \"npm:@buff-beacon-project/rand-utils@1\";\nimport { readFile, parseVal } from \"https://esm.town/v/std/utils/index.ts\";\n\nconst app = new Hono();\n\napp.onError((err) => Promise.reject(err));\n\napp.get(\"/\", async (c) => {\n const html = await readFile(\"/frontend/index.html\", import.meta.url);\n return new Response(html, { headers: { \"Content-Type\": \"text/html\" } });\n});\n\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// /random?max=100 → returns a number in [1, max]\napp.get(\"/random\", async (c) => {\n const maxStr = c.req.query(\"max\");\n const max = parseInt(maxStr ?? \"\", 10);\n\n if (isNaN(max) || max < 2) {\n return c.json({ error: \"max must be an integer >= 2\" }, 400);\n }\n\n const client = Client.create();\n const round = await client.latest();\n\n if (!round?.randomness) {\n return c.json({ error: \"Could not fetch randomness from CURBy beacon\" }, 502);\n }\n\n const stream = round.randomness.stream();\n const result = 1 + boundedRandom(max, stream);\n\n const pulse = round.pulse as any;\n const chain = round.chain as any;\n\n // pulse.value = { content: { chain, index, links, mixins, payload, source }, signature }\n const content = pulse?.value?.content ?? null;\n\n const pulseIndex = content?.index ?? null;\n const generatedAt = content?.payload?.timestamp ?? null;\n const pulseCid = pulse?.cid?.toString?.() ?? null;\n const chainCid = chain?.cid?.toString?.() ?? null;\n\n return c.json({\n result,\n max,\n beacon: {\n round: pulseIndex,\n generated_at: generatedAt,\n pulse_cid: pulseCid,\n chain_cid: chainCid,\n source: \"CURBy - CU Randomness Beacon (University of Colorado Boulder / NIST)\",\n verify_url: \"https://random.colorado.edu/\",\n },\n });\n});\n\nexport default app.fetch;\n","children",[],[177],["D",1776073766609],[],[162,65],"b9b8337c-371d-11f1-b6af-42b51c65c3df",["D",1776073623450],"directory",[174],[162],["D",1776073595895],{"_11":12,"_130":70},{"_11":12,"_126":-5,"_69":70,"_30":68,"_127":128,"_129":24},{"_39":117,"_13":16,"_33":36,"_118":81,"_119":-5,"_120":-5,"_121":-5,"_122":-5,"_123":-5,"_124":14,"_125":12},"ctx",{"_53":-5,"_149":230,"_231":232,"_233":234,"_235":24,"_236":24,"_237":24,"_238":94,"_239":-5,"_240":-7,"_241":-7,"_242":26,"_243":24,"_244":24,"_245":-5,"_246":24,"_247":24,"_248":24,"_249":-5},"ENV",{"_201":202,"_203":204,"_205":16,"_206":207,"_208":209,"_210":211,"_212":213,"_214":215,"_216":217,"_218":219,"_220":221,"_222":223,"_224":225,"_226":227,"_228":229},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

History · index.html