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feat: enforce identity and add broadcast consts #85

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Merged
GabrielePicco merged 2 commits into from
Sep 5, 2025
Merged

feat: enforce identity and add broadcast consts #85

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e5fa90d
feat: enforce identity and add broadcast consts
GabrielePicco Sep 5, 2025
223bb10
chore: add documentation
GabrielePicco Sep 5, 2025
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5 changes: 5 additions & 0 deletions src/consts.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,3 +20,8 @@ pub const DELEGATION_PROGRAM_ID: Pubkey = crate::id();
/// Default validator identity (used when none is provided during delegation).
pub const DEFAULT_VALIDATOR_IDENTITY: Pubkey =
pubkey!("MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57");

/// The broadcast identity marks an account as undelegatable.
/// Validators treat it as always delegatable, which is safe since such accounts
/// cannot be committed or delegated
pub const BROADCAST_IDENTITY: Pubkey = pubkey!("Broadcast1111111111111111111111111111111111");
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12 changes: 12 additions & 0 deletions src/processor/commit_state.rs
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Expand Up @@ -154,6 +154,18 @@ pub(crate) fn process_commit_state_internal(
let delegation_record =
DelegationRecord::try_from_bytes_with_discriminator(&delegation_record_data)?;

// Check that the authority is allowed to commit
if !delegation_record.authority.eq(args.validator.key)
&& delegation_record.authority.ne(&Pubkey::default())
{
msg!(
"validator ({}) is not the delegation authority ({})",
args.validator.key,
delegation_record.authority
);
return Err(DlpError::InvalidAuthority.into());
}

// If there was an issue with the lamport accounting in the past, abort (this should never happen)
if args.delegated_account.lamports() < delegation_record.lamports {
msg!(
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