reward dist

programs/bets/src/error.rs

@@ -34,3 +34,9 @@ pub enum LeaderboardError {
     #[msg("Not active")]
     NotActive,
 }
+
+#[error_code]
+pub enum ArithmeticError {
+    #[msg("Arithmetic error")]
+    ArithmeticError,
+}

programs/bets/src/instructions/buy_tickets.rs

@@ -1,8 +1,7 @@
 use anchor_lang::prelude::*;
 use anchor_spl::{associated_token::AssociatedToken, token::{transfer_checked, TransferChecked}, token_interface::{TokenAccount, TokenInterface}};
-use crate::{error::BettingError, *};
+use crate::*;
-use crate::constants::TICKET_SALE_VAULT_ADDRESS;
+
-use std::str::FromStr;
 
 pub fn buy(ctx: Context<BuyTickets>, amount: u64) -> Result<()> {
     
@@ -10,7 +9,7 @@ pub fn buy(ctx: Context<BuyTickets>, amount: u64) -> Result<()> {
     
     let ix = anchor_lang::solana_program::system_instruction::transfer(
         &ctx.accounts.payer.key(),
-        &ctx.accounts.ticket_sale_vault.key(),
+        &ctx.accounts.ticket_leaderboard_list.key(),
         transfer_amount
     );
 
@@ -18,7 +17,7 @@ pub fn buy(ctx: Context<BuyTickets>, amount: u64) -> Result<()> {
         &ix,
         &[
             ctx.accounts.payer.to_account_info(),
-            ctx.accounts.ticket_sale_vault.to_account_info(),
+            ctx.accounts.ticket_leaderboard_list.to_account_info(),
         ],
     )?;
     
@@ -49,14 +48,6 @@ pub struct BuyTickets<'info>{
     #[account(mut)]
     pub payer: Signer<'info>,
 
- 
-    /// CHECK: The vault that receives SOL payments for tickets
-    #[account(
-        mut,
-        address = Pubkey::from_str(TICKET_SALE_VAULT_ADDRESS).unwrap() @ BettingError::InvalidTicketSaleVault
-    )]
-    pub ticket_sale_vault: AccountInfo<'info>,
-
     #[account(
         mut,
         seeds = [TICKET_LEADERBOARD_LIST_SEED],

programs/bets/src/instructions/mod.rs

@@ -51,3 +51,6 @@ pub use enter_leaderboard::*;
 
 pub mod remove_leaderboard;
 pub use remove_leaderboard::*;
+
+pub mod reward_leaderboard;
+pub use reward_leaderboard::*;

programs/bets/src/instructions/reward_leaderboard.rs

@@ -0,0 +1,109 @@
+use anchor_lang::prelude::*;
+use anchor_spl::{associated_token::AssociatedToken, token::{transfer_checked, TransferChecked}, token_interface::{TokenAccount, TokenInterface}};
+use crate::{error::ArithmeticError, *};
+
+pub fn reward(ctx:Context<RewardLeaderboard>, id:u64)->Result<()>{
+
+    let leaderboard = &mut ctx.accounts.ticket_leaderboard;
+
+    let ticket_leaderboard_vault = &ctx.accounts.ticket_leaderboard_vault;
+    let ticket_leaderboard_list_vault = &ctx.accounts.ticket_leaderboard_list_vault;
+    let winner = &ctx.accounts.winner;
+
+    // Get the token balance in the ticket_leaderboard vault
+    let token_balance = ticket_leaderboard_vault.amount;
+    
+    // Calculate SOL reward: each token is worth 0.1 SOL (100,000,000 lamports)
+    let sol_reward = match token_balance.checked_mul(100_000_000) {
+        Some(reward) => reward,
+        None => return Err(Error::from(ArithmeticError::ArithmeticError)),
+    };
+    
+    // Transfer SOL from ticket_leaderboard_list to winner
+    let ix = anchor_lang::solana_program::system_instruction::transfer(
+        &ctx.accounts.ticket_leaderboard_list.key(),
+        &winner.key(),
+        sol_reward
+    );
+
+    anchor_lang::solana_program::program::invoke(
+        &ix,
+        &[
+            ctx.accounts.ticket_leaderboard_list.to_account_info(),
+            winner.to_account_info(),
+        ],
+    )?;
+
+    // Transfer all tokens from ticket_leaderboard vault to ticket_leaderboard_list vault
+    let cpi_program = ctx.accounts.token_program.to_account_info();
+    let cpi_accounts = TransferChecked {
+        from: ticket_leaderboard_vault.to_account_info(),
+        to: ticket_leaderboard_list_vault.to_account_info(),
+        authority: leaderboard.to_account_info(),
+        mint: ctx.accounts.token_mint.to_account_info(),
+    };
+
+    let seeds = &[
+        TICKET_LEADERBOARD_SEED,
+        &id.to_le_bytes()[..],
+        &[ctx.bumps.ticket_leaderboard][..]
+    ];
+    let signer_seeds = &[&seeds[..]];
+
+    let cpi_ctx = CpiContext::new_with_signer(cpi_program, cpi_accounts, signer_seeds);
+    transfer_checked(cpi_ctx, token_balance, ctx.accounts.token_mint.decimals)?;
+
+    leaderboard.is_over = true;
+
+    msg!("Successfully rewarded winner with {} SOL and transferred {} tokens to leaderboard list", 
+         sol_reward as f64 / 1_000_000_000.0, token_balance);
+    
+    Ok(())
+}
+
+#[derive(Accounts)]
+#[instruction(id:u64)]
+pub struct RewardLeaderboard<'info>{
+    #[account(mut)]
+    pub payer: Signer<'info>,
+
+    /// CHECK: The winner account
+    #[account(mut)]
+    pub winner: AccountInfo<'info>,
+
+    #[account(
+        mut,
+        seeds = [TICKET_LEADERBOARD_LIST_SEED],
+        bump
+    )]
+    pub ticket_leaderboard_list: Account<'info, TicketLeaderboardList>,
+
+    #[account(
+        mut,
+        seeds = [TICKET_LEADERBOARD_SEED, id.to_le_bytes().as_ref()],
+        bump
+    )]
+    pub ticket_leaderboard: Account<'info, TicketLeaderboard>,
+
+    #[account(
+        mut,
+        associated_token::mint = token_mint,
+        associated_token::authority = ticket_leaderboard,
+        associated_token::token_program = token_program
+    )]
+    pub ticket_leaderboard_vault: InterfaceAccount<'info, TokenAccount>,
+
+    #[account(
+        mut,
+        associated_token::mint = token_mint,
+        associated_token::authority = ticket_leaderboard_list,
+        associated_token::token_program = token_program
+    )]
+    pub ticket_leaderboard_list_vault: InterfaceAccount<'info, TokenAccount>,
+
+    pub token_mint: InterfaceAccount<'info, anchor_spl::token_interface::Mint>,
+
+    pub system_program: Program<'info, System>,
+    pub token_program: Interface<'info, TokenInterface>,
+    pub associated_token_program: Program<'info, AssociatedToken>,    
+}

programs/bets/src/lib.rs

@@ -83,5 +83,9 @@ pub mod bets {
         remove_leaderboard::remove(ctx, id)
     }
     
+    pub fn reward_leaderboard(ctx:Context<RewardLeaderboard>, id:u64)->Result<()>{
+        reward_leaderboard::reward(ctx, id)
+    }
+    
     
 }