Merge pull request #83 from Itheum/d-damian

Feature: Allow Optional Extra assets on minted tokens

src/events.rs

@@ -129,6 +129,7 @@ pub trait EventsModule {
         #[indexed] token: &EgldOrEsdtTokenIdentifier,
         #[indexed] price: &BigUint,
         #[indexed] bond_amount: &BigUint,
+        #[indexed] extra_assets: &ManagedVec<ManagedBuffer>
     );
 
     #[event("setWithdrawalAddress")]

src/lib.rs

@@ -148,6 +148,7 @@ pub trait DataNftMint:
         title: ManagedBuffer,
         description: ManagedBuffer,
         lock_period_sec: u64,
+        extra_assets: MultiValueEncoded<ManagedBuffer>,
     ) -> DataNftAttributes<Self::Api> {
         self.require_ready_for_minting_and_burning();
         require!(!data_stream.is_empty(), ERR_DATA_STREAM_IS_EMPTY);
@@ -205,13 +206,14 @@ pub trait DataNftMint:
         };
 
         let token_identifier = self.token_id().get_token_id();
-
+        let extra_assets_vec = extra_assets.into_vec_of_buffers(); 
         self.mint_event(
             &caller,
             &one_token,
             &payment.token_identifier,
             &price,
             &payment.amount,
+            &extra_assets_vec
         );
 
         let nonce = self.send().esdt_nft_create(
@@ -221,7 +223,7 @@ pub trait DataNftMint:
             &royalties,
             &self.create_hash_buffer(&data_marshal, &data_stream),
             &attributes,
-            &self.create_uris(media, metadata),
+            &self.create_uris(media, metadata, extra_assets_vec),
         );
 
         self.send_bond(

src/nft_mint_utils.rs

@@ -18,10 +18,12 @@ pub trait NftMintUtils: crate::storage::StorageModule {
         &self,
         media: ManagedBuffer,
         metadata: ManagedBuffer,
+        extra_assets: ManagedVec<ManagedBuffer>,
     ) -> ManagedVec<ManagedBuffer> {
         let mut uris = ManagedVec::new();
         uris.push(media);
         uris.push(metadata);
+        uris.append_vec(extra_assets);
         uris
     }
 }

tests/minter_state/minter_state.rs

@@ -565,6 +565,7 @@ impl ContractsState {
                     title,
                     description,
                     lock_period,
+                    MultiValueEncoded::new()
                 ))
                 .expect(expect.unwrap_or(TxExpect::ok())),
         );