ticket leaderboard

programs/bets/src/constants.rs

@@ -5,3 +5,7 @@ pub const SEED: &str = "anchor";
 
 #[constant]
 pub const FEE_COLLECTOR: &str= "9esrj2X33pr5og6fdkDMjaW6fdnnb9hT1cWshamxTdL4";
+
+#[constant]
+pub const TICKET_SALE_VAULT_ADDRESS: &str= "9esrj2X33pr5og6fdkDMjaW6fdnnb9hT1cWshamxTdL4";
+

programs/bets/src/error.rs

@@ -23,4 +23,6 @@ pub enum BettingError {
     InsufficientFunds,
     #[msg("Fee calculation error")]
     FeeCalculationError,
+    #[msg("Invalid ticket sale vault address")]
+    InvalidTicketSaleVault,
 }

programs/bets/src/instructions/buy_tickets.rs

@@ -1,6 +1,8 @@
 use anchor_lang::prelude::*;
 use anchor_spl::{associated_token::AssociatedToken, token::{transfer_checked, TransferChecked}, token_interface::{TokenAccount, TokenInterface}};
-use crate::*;
+use crate::{error::BettingError, *};
+use crate::constants::TICKET_SALE_VAULT_ADDRESS;
+use std::str::FromStr;
 
 pub fn buy_tickets(ctx: Context<BuyTickets>, _id:u64, amount: u64) -> Result<()> {
     
@@ -40,7 +42,11 @@ pub struct BuyTickets<'info>{
     pub payer: Signer<'info>,
 
  
-    #[account(mut)]
+    /// 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(

programs/bets/src/state/ticket_leaderboard.rs

@@ -6,4 +6,6 @@ use crate::*;
 pub struct TicketLeaderboard{
     #[max_len(500)]
     pub players: Vec<Pubkey>
+
+    
 }