Comment

Author: guibescos

program/rust/src/accounts/product.rs

@@ -42,6 +42,11 @@ impl PythAccount for ProductAccount {
     const MINIMUM_SIZE: usize = PC_PROD_ACC_SIZE as usize;
 }
 
+/// Updates the metadata in a product account.
+/// The product metadata is located after the header. It is a key-value storage
+/// where keys are strings and values are strings
+/// that is represented as a byte array with the following schema :
+/// [len(key1), ...key1, len(val1), ...val1, len(key2), ...key2, len(val2), ...val2, ...]
 pub fn update_product_metadata(
     instruction_data: &[u8],
     product_account: &AccountInfo,