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chore: increase mint cache robustness #2237

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Merged
ananas-block merged 1 commit into from
Feb 6, 2026
Merged

chore: increase mint cache robustness #2237

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2 changes: 2 additions & 0 deletions programs/compressed-token/anchor/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -578,6 +578,8 @@ pub enum ErrorCode {
IdempotentEarlyExit, // 6170
#[msg("Mint signer mismatch between account and instruction data")]
MintActionInvalidMintSigner, // 6171
#[msg("Mint not found in cache - this indicates an internal error")]
MintNotInCache, // 6172
}

/// Anchor error code offset - error codes start at 6000
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12 changes: 7 additions & 5 deletions programs/compressed-token/program/src/compressed_token/transfer2/compression/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,11 @@ pub fn process_token_compression<'a>(
)?;

// Lookup cached mint extension checks (cache was built with skip logic already applied)
let mint_checks = mint_cache.get_by_key(&compression.mint).cloned();
// This should never fail since build_mint_extension_cache adds all compression mints.
let mint_checks = mint_cache
.get_by_key(&compression.mint)
.cloned()
.ok_or(ErrorCode::MintNotInCache)?;

match source_or_recipient.owner() {
ID => {
Expand All @@ -96,7 +100,7 @@ pub fn process_token_compression<'a>(
compression,
source_or_recipient,
packed_accounts,
mint_checks,
Some(mint_checks),
&mut transfer_map[account_index],
&mut lamports_budget,
decompress_with_compress_only_inputs,
Expand Down Expand Up @@ -128,9 +132,7 @@ pub fn process_token_compression<'a>(
}

// Propagate whether mint is restricted to enable correct derivation of the spl interface pda.
let is_restricted = mint_checks
.map(|checks| checks.has_restricted_extensions)
.unwrap_or(false);
let is_restricted = mint_checks.has_restricted_extensions;
spl::process_spl_compressions(
compression,
&SPL_TOKEN_2022_ID.to_pubkey_bytes(),
Expand Down
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