Keno

Pick up to 10 tiles from a 40-tile grid; the RGS draws 10 and pays on how many of your picks it hits. Single-action.

Slug: keno · Type: single-action · TS types: @jackpot-studio/jps-proto/keno

Tiles are numbered 1–40. A higher difficulty skews payouts toward hitting more of your picks.

Bet

Request — Query.bet

Field	Type	Notes
`amount`	string	Wager, decimal string.
`tiles`	uint[]	The picked tiles (up to 10), values 1–40.
`difficulty`	enum `Difficulty`	`DIFFICULTY_CLASSIC` (1), `DIFFICULTY_LOW` (2), `DIFFICULTY_MEDIUM` (3), `DIFFICULTY_HIGH` (4).

{ "bet": { "amount": "1.00", "tiles": [3, 7, 11, 24], "difficulty": 1 } }

Response — Result.bet

Field	Type	Notes
`pickedTiles`	uint[]	Echo of the player's picks.
`resultTiles`	uint[]	The 10 drawn tiles. Intersection with `pickedTiles` = hits.
`result`	object	`{ payout, multiplier }`.

{
  "metadata": { "balance": "102.50", "roundId": "9f1c…" },
  "bet": {
    "pickedTiles": [3, 7, 11, 24],
    "resultTiles": [1, 3, 7, 12, 18, 24, 29, 33, 36, 40],
    "result": { "payout": "1.50", "multiplier": "1.5" }
  }
}

State

GameState: { difficulty, result, tiles } — the draw, the picks, and the difficulty.

Verify

VerifyRequest needs difficulty (it shapes the draw).

// request message
{ "difficulty": 1 }
// response message
{ "resultTiles": [1, 3, 7, 12, 18, 24, 29, 33, 36, 40] }

Plinko

Wheel