show down

apps/web/src/app/games/[id]/page.tsx

@@ -85,7 +85,7 @@ export default function PlayPage({ params }: { params: { id: string } }) {
       const privateCards = reorderedPlayers.reduce(
         (acc, player, seat) => {
           if (player) {
-            acc[seat + 1] = getRandomCards();
+            acc[seat + 1] = player.cards ?? [];
           }
           return acc;
         },

apps/web/src/app/games/[id]/state/actions/gameActions.ts

@@ -12,6 +12,7 @@ import {
   privateCardsDecryptionHandler,
   receivedPrivateCardHandler,
   receivedPublicCardsHandler,
+  receivedShowDown,
 } from "./gameEventHandlers";
 
 import { decryptCardShareZkey, shuffleEncryptDeckZkey } from "@jeton/zk-deck";
@@ -66,6 +67,7 @@ function setGameEventListeners(game: Jeton) {
   game.addListener?.(GameEventTypes.AWAITING_BET, awaitingPlayerBetHandler);
   game.addListener?.(GameEventTypes.PLAYER_PLACED_BET, playerPlacedBetHandler);
   game.addListener?.(GameEventTypes.RECEIVED_PUBLIC_CARDS, receivedPublicCardsHandler);
+  game.addListener?.(GameEventTypes.SHOW_DOWN, receivedShowDown);
   console.log("set game event listeners end");
 }
 

apps/web/src/app/games/[id]/state/actions/gameEventHandlers.ts

@@ -1,4 +1,3 @@
-import { stat } from "fs";
 import {
   type AwaitingBetEvent,
   GameStatus,
@@ -9,6 +8,7 @@ import {
   getGameStatus,
   type playerShufflingEvent,
 } from "@jeton/ts-sdk";
+import type { ShowDownEvent } from "@jeton/ts-sdk";
 import type { ReceivedPublicCardsEvent } from "@jeton/ts-sdk";
 import { PublicCardRounds } from "@jeton/ts-sdk";
 import { state$ } from "../state";
@@ -21,12 +21,26 @@ export function newPlayerCheckedInHandler(player: Player) {
 }
 
 export function handStartedHandler({ dealer }: HandStartedEvent) {
+  console.log("hand started handler", dealer);
   const gameState$ = state$.gameState;
   gameState$.dealer.set(dealer);
   gameState$.status.set(GameStatus.Shuffle);
+  gameState$.players.forEach((player) => {
+    player.cards.set(undefined);
+    player.bet.set(0);
+    player.winAmount.set(undefined);
+    player.roundAction.set(undefined);
+  });
+  gameState$.myCards.set(undefined);
+  gameState$.flopCards.set(undefined);
+  gameState$.riverCard.set(undefined);
+  gameState$.turnCard.set(undefined);
+  gameState$.pot.set(0);
+  gameState$.betState.set(undefined);
 }
 
 export function playerShufflingHandler(player: playerShufflingEvent) {
+  console.log("player shuffling handler");
   state$.gameState.shufflingPlayer.set(player);
   state$.gameState.status.set(GameStatus.Shuffle);
 }
@@ -83,8 +97,15 @@ export function playerPlacedBetHandler({
   state$.gameState.betState.availableActions.set(availableActions);
 }
 
+export function clearPlayersRoundAction() {
+  state$.gameState.players.forEach((player) => {
+    player.roundAction.set(undefined);
+  });
+}
+
 export function receivedPublicCardsHandler({ cards, round }: ReceivedPublicCardsEvent) {
   console.log("received public cards", round, cards);
+  clearPlayersRoundAction();
   if (round === PublicCardRounds.FLOP) {
     state$.gameState.flopCards.set(cards);
   } else if (round === PublicCardRounds.RIVER) {
@@ -93,3 +114,16 @@ export function receivedPublicCardsHandler({ cards, round }: ReceivedPublicCards
     state$.gameState.turnCard.set(cards);
   }
 }
+
+export function receivedShowDown(data: ShowDownEvent) {
+  console.log("received showdown event", data);
+  state$.gameState.players.forEach((player) => {
+    const eventPlayer = data[player.id.get()!];
+    if (eventPlayer) {
+      player.cards.set(eventPlayer.cards);
+      player.balance.set(eventPlayer.player.balance);
+      player.bet.set(0);
+      player.winAmount.set(eventPlayer.winAmount);
+    }
+  });
+}

apps/web/src/app/games/[id]/state/state.ts

@@ -8,11 +8,13 @@ import {
 } from "@jeton/ts-sdk";
 import { type Observable, observable } from "@legendapp/state";
 
-type UIPlayer = Player & {
+export type UIPlayer = Player & {
   roundAction?: {
     action: BettingActions;
     amount: number;
   };
+  cards?: number[];
+  winAmount?: number;
 };
 
 type GameState = {

apps/web/src/utils/seat.ts

@@ -1,17 +1,17 @@
-import type { Player } from "@jeton/ts-sdk";
+import type { UIPlayer } from "@src/app/games/[id]/state/state";
 
 export const orderPlayersSeats = (
-  players: (Player | null)[],
+  players: (UIPlayer | null)[],
   mainPlayerId: string,
-): (Player | null)[] => {
+): (UIPlayer | null)[] => {
   const mainPlayerIndex = players.findIndex((player) => player?.id === mainPlayerId);
 
   const mainPlayer = players[mainPlayerIndex];
   if (!mainPlayer) {
     return players;
   }
 
-  const playersAfterMainPlayer: (Player | null)[] = players.slice(mainPlayerIndex + 1);
-  const playersBeforeMainPlayer: (Player | null)[] = players.slice(0, mainPlayerIndex);
+  const playersAfterMainPlayer: (UIPlayer | null)[] = players.slice(mainPlayerIndex + 1);
+  const playersBeforeMainPlayer: (UIPlayer | null)[] = players.slice(0, mainPlayerIndex);
   return [mainPlayer, ...playersAfterMainPlayer, ...playersBeforeMainPlayer];
 };

biome.json

@@ -19,6 +19,9 @@
         "useNodejsImportProtocol": "off",
         "useEnumInitializers": "off",
         "noNonNullAssertion": "off"
+      },
+      "complexity": {
+        "noForEach": "off"
       }
     }
   },

packages/ts-sdk/src/Jeton/Jeton.ts

@@ -6,6 +6,7 @@ import {
   OnChainEventTypes,
   type OnChainPlayerCheckedInData,
   type OnChainPlayerPlacedBetData,
+  type OnChainShowDownData,
   type OnChainShuffledDeckData,
   type OnChainTableObject,
 } from "@src/OnChainDataSource";
@@ -14,6 +15,7 @@ import onChainDataMapper, { covertTableInfo } from "@src/OnChainDataSource/onCha
 import {
   BettingActions,
   BettingRounds,
+  type CardShareAndProof,
   type ChipUnits,
   type GameEventMap,
   GameEventTypes,
@@ -23,6 +25,7 @@ import {
   PlayerStatus,
   type PublicCardRounds,
   type ReceivedPublicCardsEvent,
+  type ShowDownEvent,
   type TableInfo,
 } from "@src/types";
 import { type PendingMemo, createPendingMemo } from "@src/utils/PendingMemo";
@@ -37,7 +40,6 @@ import {
   getDeck,
   getNumberOfRaisesLeft,
   getPlayerByAddress,
-  getPlayerByIndex,
   getPot,
   getPrivateCardsIndexes,
   getShufflingPlayer,
@@ -68,7 +70,7 @@ export class Jeton extends EventEmitter<GameEventMap> {
   private secretKey: bigint;
   private publicKey: Uint8Array;
   public gameState?: JGameState;
-  private myPrivateCardsShares?: [DecryptionCardShare, DecryptionCardShare];
+  private myPrivateCardsShares?: [CardShareAndProof, CardShareAndProof];
   private pendingMemo: PendingMemo;
 
   constructor(config: JetonConfigs) {
@@ -107,9 +109,31 @@ export class Jeton extends EventEmitter<GameEventMap> {
     this.onChainDataSource.on(OnChainEventTypes.SHUFFLED_DECK, this.playerShuffledDeck);
     this.onChainDataSource.on(OnChainEventTypes.CARDS_SHARES_RECEIVED, this.receivedCardsShares);
     this.onChainDataSource.on(OnChainEventTypes.PLAYER_PLACED_BET, this.receivedPlayerBet);
+    this.onChainDataSource.on(OnChainEventTypes.SHOW_DOWN, this.receivedShowDown);
     this.onChainDataSource.listenToTableEvents(this.tableInfo.id);
   }
 
+  private receivedShowDown = async (data: OnChainShowDownData) => {
+    if (!this.gameState) throw new Error(" must exist");
+    const players = this.gameState.players;
+    const eventData: ShowDownEvent = {};
+    for (const [index, player] of players.entries()) {
+      eventData[player.id] = {
+        player,
+        winAmount: data.winningAmounts[index]!,
+        cards: [data.privateCards[index * 2]!, data.privateCards[index * 2 + 1]!],
+      };
+    }
+    this.emit(GameEventTypes.SHOW_DOWN, eventData);
+
+    const onChainTableObject = await this.pendingMemo.memoize(this.queryGameState);
+    this.gameState = onChainDataMapper.convertJetonState(onChainTableObject);
+    // TODO: timeout is not a good solution
+    setTimeout(() => {
+      this.gameStarted(onChainTableObject);
+    }, 3000);
+  };
+
   private receivedPlayerBet = async (data: OnChainPlayerPlacedBetData) => {
     console.log("received Player bet", data);
     const onChainTableObject = await this.pendingMemo.memoize(this.queryGameState);
@@ -147,7 +171,7 @@ export class Jeton extends EventEmitter<GameEventMap> {
       return;
     }
     if (nextPlayer === null) {
-      //TODO: showdown
+      this.createAndShareSelfPrivateKeyShares(onChainTableObject);
       return;
     }
     // don't send awaiting bet to ui for small and big blind
@@ -199,20 +223,22 @@ export class Jeton extends EventEmitter<GameEventMap> {
 
     // if the new player is active player then the game has just started
     if (newPlayer.status !== PlayerStatus.sittingOut) {
-      const dealerIndex = newJState.dealerIndex;
-      this.emit(GameEventTypes.HAND_STARTED, { dealer: newJState.players[dealerIndex]! });
-      const shufflingPlayer = getShufflingPlayer(onChainTableObject);
-      if (shufflingPlayer)
-        this.emit(
-          GameEventTypes.PLAYER_SHUFFLING,
-          onChainDataMapper.convertPlayer(shufflingPlayer),
-        );
-      this.checkForActions(onChainTableObject);
+      this.gameStarted(onChainTableObject);
     }
 
     this.gameState = newJState;
   };
 
+  private gameStarted(state: OnChainTableObject) {
+    const newJState = onChainDataMapper.convertJetonState(state);
+    const dealerIndex = newJState.dealerIndex;
+    this.emit(GameEventTypes.HAND_STARTED, { dealer: newJState.players[dealerIndex]! });
+    const shufflingPlayer = getShufflingPlayer(state);
+    if (shufflingPlayer)
+      this.emit(GameEventTypes.PLAYER_SHUFFLING, onChainDataMapper.convertPlayer(shufflingPlayer));
+    this.checkForActions(state);
+  }
+
   private playerShuffledDeck = async (data: OnChainShuffledDeckData) => {
     console.log("player shuffled deck");
     const onChainTableObject = await this.pendingMemo.memoize(this.queryGameState);
@@ -260,7 +286,20 @@ export class Jeton extends EventEmitter<GameEventMap> {
     this.myPrivateCardsShares = proofsAndShares
       .filter((pas) => myPrivateCardsIndexes.includes(pas.cardIndex))
       .sort((a, b) => a.cardIndex - b.cardIndex)
-      .map((pas) => pas.decryptionCardShare) as [DecryptionCardShare, DecryptionCardShare];
+      .map((pas) => pas) as [CardShareAndProof, CardShareAndProof];
+    this.onChainDataSource.cardsDecryptionShares(this.tableInfo.id, sharesToSend, proofsToSend);
+  }
+
+  private async createAndShareSelfPrivateKeyShares(state: OnChainTableObject) {
+    if (!this.myPrivateCardsShares) {
+      this.myPrivateCardsShares = (await this.createDecryptionShareProofsFor(
+        getPrivateCardsIndexes(state, this.playerId),
+        state,
+      )) as [CardShareAndProof, CardShareAndProof];
+    }
+
+    const proofsToSend = this.myPrivateCardsShares.map((pas) => pas.proof);
+    const sharesToSend = this.myPrivateCardsShares.map((pas) => pas.decryptionCardShare);
     this.onChainDataSource.cardsDecryptionShares(this.tableInfo.id, sharesToSend, proofsToSend);
   }
 
@@ -303,8 +342,14 @@ export class Jeton extends EventEmitter<GameEventMap> {
 
     if (!this.myPrivateCardsShares) throw new Error("must be available");
     const [firstCardIndex, secondCardIndex] = getPrivateCardsIndexes(state, this.playerId);
-    const firstCardShares = [getCardShares(state, firstCardIndex), this.myPrivateCardsShares[0]];
-    const secondCardShares = [getCardShares(state, secondCardIndex), this.myPrivateCardsShares[1]];
+    const firstCardShares = [
+      getCardShares(state, firstCardIndex),
+      this.myPrivateCardsShares[0].decryptionCardShare,
+    ];
+    const secondCardShares = [
+      getCardShares(state, secondCardIndex),
+      this.myPrivateCardsShares[1].decryptionCardShare,
+    ];
     const firstPrivateCard = this.zkDeck.decryptCard(firstCardIndex, deck, firstCardShares);
     const secondPrivateCard = this.zkDeck.decryptCard(secondCardIndex, deck, secondCardShares);
 

packages/ts-sdk/src/Jeton/helpers.ts

@@ -20,10 +20,13 @@ export function isActivePlayer(tableObject: OnChainTableObject, playerId: string
   return !!tableObject.roster.players.find((p) => p.addr === playerId);
 }
 
-export function getPrivateCardsIndexes(tableObject: OnChainTableObject, playerId: string) {
+export function getPrivateCardsIndexes(
+  tableObject: OnChainTableObject,
+  playerId: string,
+): [number, number] {
   const playerPosition = tableObject.roster.players.findIndex((p) => p.addr === playerId);
   if (playerPosition === -1) throw new Error("player does not exist");
-  return [playerPosition * 2, playerPosition * 2 + 1] as const;
+  return [playerPosition * 2, playerPosition * 2 + 1];
 }
 
 export function getDeck(tableObject: OnChainTableObject) {

packages/ts-sdk/src/OnChainDataSource/AptosOnChainDataSource.ts

@@ -12,11 +12,14 @@ import {
   contractCheckedInEventType,
   contractFoldEventType,
   contractRaiseEventType,
+  contractShowDownEventType,
   contractShuffleEventType,
   contractSmallBlindEventType,
 } from "@src/contracts/contractData";
 import { createTableInfo } from "@src/contracts/contractDataMapper";
 import {
+  type ChainEvents,
+  type ShowDownEvent,
   callCallContract,
   callCheckInContract,
   callDecryptCardShares,
@@ -49,7 +52,7 @@ export class AptosOnChainDataSource
     this.address = address;
   }
 
-  private publishEvent(event: { data: { sender_addr: string }; indexed_type: string }) {
+  private publishEvent(event: ChainEvents) {
     console.log("publish event", event);
     switch (event.indexed_type) {
       case contractCheckedInEventType:
@@ -99,6 +102,15 @@ export class AptosOnChainDataSource
           address: event.data.sender_addr,
         });
         break;
+      case contractShowDownEventType: {
+        console.log("publishing", OnChainEventTypes.SHOW_DOWN);
+        const data = (event as ShowDownEvent).data;
+        this.emit(OnChainEventTypes.SHOW_DOWN, {
+          publicCards: data.public_cards.map((p) => Number(p)),
+          privateCards: data.private_cards.map((p) => Number(p)),
+          winningAmounts: data.winning_amounts.map((a) => Number(a)),
+        });
+      }
     }
   }
 
@@ -117,7 +129,7 @@ export class AptosOnChainDataSource
     // TODO: parse events and emit
     const pollingTable = this.pollingTables[tableId];
     if (pollingTable) {
-      pollingTable.lastEventBlockHeight = events[0].transaction_block_height;
+      pollingTable.lastEventBlockHeight = events[0]!.transaction_block_height;
       pollingTable.timerId = setTimeout(this.pollTableEvents.bind(this, tableId), POLLING_INTERVAL);
     }
   };

packages/ts-sdk/src/OnChainDataSource/onChainEvents.types.ts

@@ -3,8 +3,9 @@ import type { BettingActions, BettingRounds, PublicCardRounds } from "../types";
 export enum OnChainEventTypes {
   PLAYER_CHECKED_IN = "player-checked-in",
   SHUFFLED_DECK = "shuffled-deck",
-  CARDS_SHARES_RECEIVED = "private-cards-shares",
+  CARDS_SHARES_RECEIVED = "cards-shares",
   PLAYER_PLACED_BET = "player-placed-bet",
+  SHOW_DOWN = "show-down",
 }
 
 export type OnChainPlayerCheckedInData = {
@@ -24,9 +25,16 @@ export type OnChainPlayerPlacedBetData = {
   address?: string;
 };
 
+export type OnChainShowDownData = {
+  privateCards: number[];
+  publicCards: number[];
+  winningAmounts: number[];
+};
+
 export type OnChainEventMap = {
   [OnChainEventTypes.PLAYER_CHECKED_IN]: [OnChainPlayerCheckedInData];
   [OnChainEventTypes.SHUFFLED_DECK]: [OnChainShuffledDeckData];
   [OnChainEventTypes.CARDS_SHARES_RECEIVED]: [OnChainCardsSharesData];
   [OnChainEventTypes.PLAYER_PLACED_BET]: [OnChainPlayerPlacedBetData];
+  [OnChainEventTypes.SHOW_DOWN]: [OnChainShowDownData];
 };