winisol

}  #[derive(Accounts)]#[instruction(lottery_id: u32)]pub struct InitializeConifg<'info> {  #[account(mut)]  pub payer: Signer<'info>,   #[account(      init,      payer = payer,      space = 8 + TokenLottery::INIT_SPACE,      seeds = [b"token_lottery".as_ref(), lottery_id.to_le_bytes().as_ref()],      bump  )]  pub token_lottery: Box<Account<'info, TokenLottery>>,   pub system_program: Program<'info, System>,} #[derive(Accounts)]#[instruction(lottery_id: u32)]pub struct InitializeLimitedLotteryConfig<'info> {

1. Line 788 pub payer: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 791 init,: Creates and pays for a new account. Space and payer must be specified.
3. Line 794 seeds = [b"token_lottery".as_ref(), lottery_id.to_le_bytes().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 795 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

          new Date(data.endTime).getTime() / 1000,          new BN(data.price * LAMPORTS_PER_SOL),        ).instruction();            const computeUnitLimitIx = ComputeBudgetProgram.setComputeUnitLimit({          units: 40000,          });                const recentPriorityFees = await connection.getRecentPrioritizationFees();        const minFee = Math.min(...recentPriorityFees.map(fee => fee.prioritizationFee));            const computeUnitPriceIx = ComputeBudgetProgram.setComputeUnitPrice({          microLamports: minFee + 1,         });          const blockhashContext = await connection.getLatestBlockhashAndContext();            const tx = new Transaction({          feePayer: publicKey,          blockhash: blockhashContext.value.blockhash,          lastValidBlockHeight: blockhashContext.value.lastValidBlockHeight        }).add(computeUnitLimitIx).add(computeUnitPriceIx).add(InitConfigIx);            const signature = await sendTransaction(tx, connection, {skipPreflight: true});

1. Line 77 const computeUnitLimitIx = ComputeBudgetProgram.setComputeUnitLimit({: Sets the compute-unit limit or price (priority fee).
2. Line 88 const blockhashContext = await connection.getLatestBlockhashAndContext();: Fetches a recent blockhash. Transactions expire if it gets too old.
3. Line 96 const signature = await sendTransaction(tx, connection, {skipPreflight: true});: Submits the signed transaction to the cluster.