DeGenome-A-Decentralized-Privacy-Preserving-Infrastructure-for-Secure-Genomic-Data-Sharing

    pub grant: Account<'info, AccessGrant>,     #[account(mut)]    pub researcher: Signer<'info>,     #[account(seeds = [b"platform_config"], bump = config.bump)]    pub config: Account<'info, PlatformConfig>,     #[account(mut)]    pub researcher_usdc: Option<Account<'info, TokenAccount>>,    #[account(mut)]    pub contributor_usdc: Option<Account<'info, TokenAccount>>,    #[account(mut, address = config.treasury_wallet)]    pub treasury_usdc: Option<Account<'info, TokenAccount>>,    #[account(mut)]    pub infrastructure_usdc: Option<Account<'info, TokenAccount>>,     pub token_program: Program<'info, Token>,} pub fn handler(ctx: Context<IncrementQueryCounter>, compute_fee_amount: u64) -> Result<()> {    let grant = &mut ctx.accounts.grant;    let clock = Clock::get()?;    require!(grant.is_active, DeGenoError::GrantNotActive);

1. Line 16 pub researcher: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 18 #[account(seeds = [b"platform_config"], bump = config.bump)]: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
3. Line 18 #[account(seeds = [b"platform_config"], bump = config.bump)]: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 35 let clock = Clock::get()?;: Reads on-chain time from the Clock sysvar.
5. Line 36 require!(grant.is_active, DeGenoError::GrantNotActive);: An explicit validation that aborts the instruction with an error.

    #[account(mut)]    pub reviewer: Signer<'info>,     #[account(mut)]    pub treasury_usdc: Option<Account<'info, TokenAccount>>,    #[account(mut)]    pub challenger_usdc: Option<Account<'info, TokenAccount>>,     #[account(seeds = [b"platform_config"], bump = config.bump)]    pub config: Account<'info, PlatformConfig>,     pub token_program: Program<'info, Token>,} pub fn handler(ctx: Context<SubmitVerdict>, verdict: ReviewVerdict, evidence_cid: Option<String>) -> Result<()> {    require!(verdict != ReviewVerdict::Pending, DeGenoError::Unauthorized);     let assignment = &mut ctx.accounts.assignment;    assignment.verdict = verdict.clone();    assignment.evidence_cid = evidence_cid;    let clock = Clock::get()?;    assignment.completed_at = Some(clock.unix_timestamp);     let dispute = &mut ctx.accounts.dispute;

1. Line 26 pub reviewer: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 33 #[account(seeds = [b"platform_config"], bump = config.bump)]: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
3. Line 33 #[account(seeds = [b"platform_config"], bump = config.bump)]: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 40 require!(verdict != ReviewVerdict::Pending, DeGenoError::Unauthorized);: An explicit validation that aborts the instruction with an error.
5. Line 45 let clock = Clock::get()?;: Reads on-chain time from the Clock sysvar.

use anchor_lang::prelude::*;use crate::state::*;use crate::errors::*; #[derive(Accounts)]pub struct UpdateVerificationStatus<'info> {    #[account(mut)]    pub dataset: Account<'info, DatasetRegistration>,        #[account(        seeds = [b"platform_config"],        bump = config.bump,        has_one = authority @ DeGenoError::Unauthorized    )]    pub config: Account<'info, PlatformConfig>,        #[account(mut)]    pub authority: Signer<'info>,} pub fn handler(ctx: Context<UpdateVerificationStatus>, new_status: VerificationStatus) -> Result<()> {    require!(ctx.accounts.config.authority == ctx.accounts.authority.key(), DeGenoError::Unauthorized);        ctx.accounts.dataset.verification_status = new_status;

1. Line 11 seeds = [b"platform_config"],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
2. Line 12 bump = config.bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
3. Line 13 has_one = authority @ DeGenoError::Unauthorized: Checks that a stored pubkey field matches the passed account.
4. Line 18 pub authority: Signer<'info>,: Requires this account to have signed the transaction.
5. Line 22 require!(ctx.accounts.config.authority == ctx.accounts.authority.key(), DeGenoError::Unaut: An explicit validation that aborts the instruction with an error.

use anchor_lang::prelude::*;use crate::state::*; #[derive(Accounts)]pub struct InitializeReputation<'info> {    #[account(        init,        payer = payer,        space = ReputationAccount::SPACE,        seeds = [b"reputation", wallet.key().as_ref()],        bump    )]    pub reputation: Account<'info, ReputationAccount>,        /// CHECK: The wallet to create the reputation for    pub wallet: UncheckedAccount<'info>,        #[account(mut)]    pub payer: Signer<'info>,    pub system_program: Program<'info, System>,} pub fn handler(ctx: Context<InitializeReputation>) -> Result<()> {    let clock = Clock::get()?;

1. Line 7 init,: Creates and pays for a new account. Space and payer must be specified.
2. Line 10 seeds = [b"reputation", wallet.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
3. Line 11 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 19 pub payer: Signer<'info>,: Requires this account to have signed the transaction.
5. Line 24 let clock = Clock::get()?;: Reads on-chain time from the Clock sysvar.