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The API keys on the date at\n * midnight (PlayDate \"T00:00:00\"). Returns ticks for each of the most recent\n * `count` draw dates up to and including today (UTC date basis).\n */\nexport function recentDrawTicks(count = 4, from = new Date()): number[] {\n const ticks: number[] = [];\n // Walk backwards from today, collecting Tue(2)/Fri(5) midnight-UTC dates.\n const cursor = new Date(Date.UTC(from.getUTCFullYear(), from.getUTCMonth(), from.getUTCDate()));\n while (ticks.length < count) {\n const dow = cursor.getUTCDay();\n if (dow === 2 || dow === 5) {\n ticks.push(dateToTicks(cursor));\n }\n cursor.setUTCDate(cursor.getUTCDate() - 1);\n }\n return ticks;\n}\n","// .NET DateTime ticks: 100-nanosecond intervals since 0001-01-01 UTC.\n// Difference between .NET epoch and Unix epoch, in milliseconds.\nconst NET_EPOCH_OFFSET_MS = 62135596800000;\n\n// Returned as a string: ticks exceed JS's safe integer range, so we use\n// BigInt for the math and keep them as strings end-to-end.\nexport function dateToTicks(d: Date): string {\n // ticks = (unixMs + offset) * 10_000\n return (BigInt(d.getTime() + NET_EPOCH_OFFSET_MS) * 10000n).toString();\n}\n\nexport function ticksToDate(ticks: string): Date {\n return new Date(Number(BigInt(ticks) / 10000n) - NET_EPOCH_OFFSET_MS);\n}\n\n/**\n * Mega Millions draws are Tuesday & Friday. The API keys on the date at\n * midnight (PlayDate \"T00:00:00\"). Returns ticks for each of the most recent\n * `count` draw dates up to and including today (UTC date basis).\n */\nexport function recentDrawTicks(count = 4, from = new Date()): number[] {\n const ticks: number[] = [];\n // Walk backwards from today, collecting Tue(2)/Fri(5) midnight-UTC dates.\n const cursor = new Date(Date.UTC(from.getUTCFullYear(), from.getUTCMonth(), from.getUTCDate()));\n while (ticks.length < count) {\n const dow = cursor.getUTCDay();\n if (dow === 2 || dow === 5) {\n ticks.push(dateToTicks(cursor));\n }\n cursor.setUTCDate(cursor.getUTCDate() - 1);\n }\n return ticks;\n}\n","createdAt",["D",1781114379367],"branchVersion","branchId","63ea10ab-9496-4570-9acf-1b4c8d4438a6","id","d514cca1-3098-4c43-a729-bab3e539e71d","megamillions-scraper",["D",1781114312383],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Scrapes Mega Millions draw data on a schedule into SQLite","imageUrl","afc6b6b6-50b0-4981-bdfc-3bc06aa3c798","pinnedFileId","1ba1c7f0-64f6-11f1-bc85-1607ee4eb77e","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","019eb2a9-32c8-758f-b0d5-319026801566","tursoName","d514cca130984c43a729bab3e539e71d","tursoHostname","d514cca130984c43a729bab3e539e71d-val-town.aws-us-east-2.turso.io","tursoMeasuredAt",["D",1789499469860],"pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_106":105,"_113":108},"org",{"_106":105,"_107":108,"_109":108,"_19":61,"_110":111,"_112":31},"branch",{"_13":95,"_38":96,"_49":48,"_97":50,"_98":-5,"_99":-5,"_100":-5,"_101":-5,"_102":-5,"_103":51,"_104":105},"isOwned",15,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","danikaazure","handle","displayName","","avatar","tier","free","canRestrictVals","profileImageUrl","branchName","adoptOrgId",{"_49":50,"_38":51,"_44":207,"_53":-5,"_54":31,"_55":56,"_57":56,"_58":59,"_60":-5,"_19":61,"_62":63,"_64":65,"_66":-5,"_67":-5,"_68":69,"_70":71,"_72":73,"_74":75,"_76":208,"_78":-5,"_79":80,"_81":80,"_82":83,"_84":83,"_85":83,"_86":80,"_87":80,"_88":209,"_90":210,"_92":211,"_94":31},"tree",[186,187,188,189,190],"files",[186,187,188,189,190],"counts",{"_176":69,"_177":152,"_178":69,"_179":180,"_181":182},"contents",[135,136,137,138,139],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_49":169,"_38":170,"_36":171,"_142":-5,"_47":48,"_46":172,"_144":65,"_44":173,"_13":165,"_39":40,"_41":174,"_30":31,"_148":-5,"_33":175},{"_49":162,"_38":163,"_36":164,"_142":-5,"_47":48,"_46":165,"_144":31,"_44":166,"_13":69,"_39":40,"_41":167,"_30":31,"_148":-5,"_33":168},{"_49":154,"_38":155,"_36":156,"_142":-5,"_47":48,"_46":157,"_144":65,"_44":158,"_13":69,"_39":159,"_41":160,"_30":31,"_148":-5,"_33":161},{"_49":150,"_38":34,"_36":37,"_142":-5,"_47":48,"_46":14,"_144":31,"_44":151,"_13":152,"_39":40,"_41":43,"_30":31,"_148":-5,"_33":153},{"_49":140,"_38":141,"_36":63,"_142":-5,"_47":48,"_46":143,"_144":31,"_44":145,"_13":69,"_39":146,"_41":147,"_30":31,"_148":-5,"_33":149},"29a92152-04cd-4283-aabc-043cdbe5e785","viewer.ts","parentId",6,"latest",["D",1781114361335],"http","import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\nimport { TABLE } from \"./db.ts\";\n\n// HTTP endpoint: view stored draws as JSON.\n// / -> latest 20 draws (without the bulky raw payload)\n// /?ticks=... -> the full raw payload for one draw\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const ticks = url.searchParams.get(\"ticks\");\n\n if (ticks) {\n const { rows } = await sqlite.execute({\n sql: `SELECT raw FROM ${TABLE} WHERE play_date_ticks = ?`,\n args: [Number(ticks)],\n });\n if (!rows.length) return Response.json({ error: \"not found\" }, { status: 404 });\n return new Response(rows[0][0] as string, {\n headers: { \"content-type\": \"application/json\" },\n });\n }\n\n const { columns, rows } = await sqlite.execute(`\n SELECT play_date_ticks, play_date, n1, n2, n3, n4, n5, mega_ball, megaplier,\n current_prize_pool, next_prize_pool, jackpot_winners, scraped_at\n FROM ${TABLE}\n ORDER BY play_date_ticks DESC\n LIMIT 20\n `);\n\n const draws = rows.map((r) =>\n Object.fromEntries(columns.map((c, i) => [c, r[i]]))\n );\n return Response.json({ count: draws.length, draws });\n}\n","label",[141],"edf81bff-c0e9-492b-a76f-aae331f1cb51",["D",1781114379367],1,[34],"19a7f899-ca31-45c2-bc10-b046cb5b3ec8","scraper.ts","13757586-64f6-11f1-b5bb-1607ee4eb77e",5,["D",1781114347627],"interval","import { setup, upsertDraw } from \"./db.ts\";\nimport { fetchDraw } from \"./parse.ts\";\nimport { recentDrawTicks } from \"./ticks.ts\";\n\n// Interval (cron) entrypoint. Scrapes the most recent draws each run.\nexport default async function (interval: Interval) {\n await setup();\n\n const ticksList = recentDrawTicks(4);\n const results: Record = {};\n\n for (const ticks of ticksList) {\n try {\n const draw = await fetchDraw(ticks);\n await upsertDraw(draw);\n results[ticks] = `ok: ${draw.playDate.slice(0, 10)} — ` +\n `${draw.n1}-${draw.n2}-${draw.n3}-${draw.n4}-${draw.n5} MB ${draw.megaBall}`;\n } catch (err) {\n results[ticks] = `error: ${(err as Error).message}`;\n }\n }\n\n console.log(\"Scrape complete\", results);\n return results;\n}\n",[155],"7e24c86d-fd73-4f1e-82d4-291b376d0cb3","parse.ts","0ac84b48-64f6-11f1-8b0f-1607ee4eb77e",3,["D",1781114333070],"import type { Draw } from \"./db.ts\";\n\nconst BASE =\n \"https://www.megamillions.com/cmspages/utilservice.asmx/GetDrawDataByTickWithMatrix\";\n\n/**\n * The API returns XML like:\n * { ...json... }\n * We pull the JSON payload out of the XML wrapper.\n */\nfunction extractJson(xml: string): any {\n // The inner text is HTML-entity-encoded inside the element.\n const inner = xml\n .replace(/^[\\s\\S]*?]*>/, \"\")\n .replace(/<\\/string>[\\s\\S]*$/, \"\")\n .replaceAll(\"<\", \"<\")\n .replaceAll(\">\", \">\")\n .replaceAll(\""\", '\"')\n .replaceAll(\"&\", \"&\")\n .trim();\n return JSON.parse(inner);\n}\n\nexport async function fetchDraw(playDateTicks: number): Promise {\n const res = await fetch(`${BASE}?PlayDateTicks=${playDateTicks}`, {\n headers: { \"User-Agent\": \"Mozilla/5.0 (val.town scraper)\" },\n });\n if (!res.ok) throw new Error(`Fetch failed: ${res.status} ${res.statusText}`);\n\n const xml = await res.text();\n const data = extractJson(xml);\n const dr = data.Drawing ?? {};\n const jp = data.Jackpot ?? {};\n\n return {\n playDateTicks: dr.PlayDateTicks ?? playDateTicks,\n playDate: dr.PlayDate ?? \"\",\n n1: dr.N1, n2: dr.N2, n3: dr.N3, n4: dr.N4, n5: dr.N5,\n megaBall: dr.MBall,\n megaplier: dr.Megaplier,\n currentPrizePool: jp.CurrentPrizePool ?? null,\n nextPrizePool: jp.NextPrizePool ?? null,\n currentCashValue: jp.CurrentCashValue ?? null,\n nextCashValue: jp.NextCashValue ?? null,\n jackpotWinners: jp.Winners ?? null,\n raw: JSON.stringify(data),\n scrapedAt: new Date().toISOString(),\n };\n}\n",[163],"640291c0-ffc2-4a4f-b7ad-1f87cfe31dd4","db.ts","fe78e06e-64f5-11f1-8f13-1607ee4eb77e",8,["D",1781114372121],"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\n// Bump the suffix if you change the schema.\nexport const TABLE = \"mm_draws_v2\";\n\nexport interface Draw {\n // Stored as TEXT — .NET ticks exceed JS's safe integer range.\n playDateTicks: string;\n playDate: string;\n n1: number;\n n2: number;\n n3: number;\n n4: number;\n n5: number;\n megaBall: number;\n megaplier: number;\n currentPrizePool: number | null;\n nextPrizePool: number | null;\n currentCashValue: number | null;\n nextCashValue: number | null;\n jackpotWinners: number | null;\n raw: string;\n scrapedAt: string;\n}\n\nexport async function setup() {\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${TABLE} (\n play_date_ticks TEXT PRIMARY KEY,\n play_date TEXT NOT NULL,\n n1 INTEGER, n2 INTEGER, n3 INTEGER, n4 INTEGER, n5 INTEGER,\n mega_ball INTEGER,\n megaplier INTEGER,\n current_prize_pool REAL,\n next_prize_pool REAL,\n current_cash_value REAL,\n next_cash_value REAL,\n jackpot_winners INTEGER,\n raw TEXT NOT NULL,\n scraped_at TEXT NOT NULL\n )\n `);\n}\n\n// Upsert keyed on the draw's ticks, so re-running the same draw just refreshes it.\nexport async function upsertDraw(d: Draw) {\n await sqlite.execute({\n sql: `\n INSERT INTO ${TABLE} (\n play_date_ticks, play_date, n1, n2, n3, n4, n5, mega_ball, megaplier,\n current_prize_pool, next_prize_pool, current_cash_value, next_cash_value,\n jackpot_winners, raw, scraped_at\n ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)\n ON CONFLICT(play_date_ticks) DO UPDATE SET\n play_date=excluded.play_date, n1=excluded.n1, n2=excluded.n2, n3=excluded.n3,\n n4=excluded.n4, n5=excluded.n5, mega_ball=excluded.mega_ball,\n megaplier=excluded.megaplier, current_prize_pool=excluded.current_prize_pool,\n next_prize_pool=excluded.next_prize_pool, current_cash_value=excluded.current_cash_value,\n next_cash_value=excluded.next_cash_value, jackpot_winners=excluded.jackpot_winners,\n raw=excluded.raw, scraped_at=excluded.scraped_at\n `,\n args: [\n d.playDateTicks, d.playDate, d.n1, d.n2, d.n3, d.n4, d.n5, d.megaBall, d.megaplier,\n d.currentPrizePool, d.nextPrizePool, d.currentCashValue, d.nextCashValue,\n d.jackpotWinners, d.raw, d.scrapedAt,\n ],\n 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Diff · v9