Bonding_Curve_SOL_contracts

    pub authority: Signer<'info>,     #[account(        mut,        seeds = [b"bonding-curve-pool", collection_mint.key().as_ref()],        bump = pool.bump,                constraint = pool.config.creator == authority.key() @ ErrorCode::InvalidAuthority    )]    pub pool: Account<'info, BondingCurvePool>,     /// CHECK: This is the collection mint used for pool PDA derivation    pub collection_mint: UncheckedAccount<'info>,     pub system_program: Program<'info, System>,} pub fn migrate_to_tensor(ctx: Context<MigrateToTensor>) -> Result<()> {    // Access pool data directly    let pool = &mut ctx.accounts.pool;     // Verify not already migrated    require!(                !pool.state.is_migrated_to_tensor,        ErrorCode::AlreadyMigrated // Use existing error code if applicable

1. Line 13 pub authority: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 17 seeds = [b"bonding-curve-pool", collection_mint.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
3. Line 18 bump = pool.bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 34 require!(: An explicit validation that aborts the instruction with an error.

     let net_amount_to_seller_calculated = available_lamports        .checked_sub(sell_fee_calculated)        .ok_or(ErrorCode::MathOverflow)?;     let total_payout_amount = sell_fee_calculated        .checked_add(net_amount_to_seller_calculated)        .ok_or(ErrorCode::MathOverflow)?;     if escrow_total_lamports        < total_payout_amount            .checked_add(rent_exempt_minimum)            .ok_or(ErrorCode::MathOverflow)?    {        return err!(ErrorCode::InsufficientEscrowBalance);    }     let final_amount_to_seller_transfer = net_amount_to_seller_calculated        .checked_add(rent_exempt_minimum)        .ok_or(ErrorCode::MathOverflow)?;     let nft_mint_key = ctx.accounts.nft_mint.key();    let escrow_bump = ctx.accounts.escrow.bump;    let seeds = &[

1. Line 123 .checked_sub(sell_fee_calculated): Uses checked arithmetic so overflow fails instead of wrapping.
2. Line 135 return err!(ErrorCode::InsufficientEscrowBalance);: An explicit validation that aborts the instruction with an error.
3. Line 143 let escrow_bump = ctx.accounts.escrow.bump;: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 144 let seeds = &[: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.

use anchor_lang::prelude::*; use crate::state::BondingCurvePool; #[derive(AnchorSerialize, AnchorDeserialize, Clone)]pub struct CreatePoolArgs {    pub base_price: u64,    pub growth_factor: u64,} #[derive(Accounts)]pub struct CreatePool<'info> {    #[account(mut)]    pub creator: Signer<'info>,        /// CHECK: This is the collection mint for the NFTs    pub collection_mint: UncheckedAccount<'info>,        #[account(        init,        payer = creator,        space = BondingCurvePool::SPACE,        seeds = [b"bonding-curve-pool", collection_mint.key().as_ref()],        bump

1. Line 14 pub creator: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 20 init,: Creates and pays for a new account. Space and payer must be specified.
3. Line 23 seeds = [b"bonding-curve-pool", collection_mint.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 24 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

    /// CHECK: This account holds the SOL for the bid    #[account(        mut,        seeds = [b"bid-escrow", bid.key().as_ref()],        bump,    )]    pub bid_escrow: UncheckedAccount<'info>,     pub system_program: Program<'info, System>,} pub fn cancel_bid(    ctx: Context<CancelBid>,    args: CancelBidArgs,) -> Result<()> {    let bid_id = args.bid_id;    let current_timestamp = Clock::get()?.unix_timestamp;    let bid = &mut ctx.accounts.bid;    let bid_listing = &mut ctx.accounts.bid_listing;     // Check if bid can be cancelled    require!(        bid.can_cancel(&ctx.accounts.bidder.key()),        ErrorCode::CannotCancelBid

1. Line 52 seeds = [b"bid-escrow", bid.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
2. Line 53 bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
3. Line 65 let current_timestamp = Clock::get()?.unix_timestamp;: Reads on-chain time from the Clock sysvar.
4. Line 70 require!(: An explicit validation that aborts the instruction with an error.