Add uploading serialized transaction to syncer

This allows the syncer services command to now upload the serialized
transaction format to the API.

Author: NullSoldier

src/blocks/blocks.controller.spec.ts

@@ -150,6 +150,16 @@ describe('BlocksController', () => {
                   mints: [],
                   burns: [],
                 },
+                {
+                  hash: uuid(),
+                  fee: faker.datatype.number(),
+                  size: faker.datatype.number(),
+                  notes: [{ commitment: uuid() }],
+                  spends: [{ nullifier: uuid() }],
+                  mints: [],
+                  burns: [],
+                  serialized: 'serialized',
+                },
               ],
             },
           ],
@@ -169,10 +179,14 @@ describe('BlocksController', () => {
           difficulty: block.difficulty,
           sequence: block.sequence,
           timestamp: block.timestamp.toISOString(),
-          transactions_count: 1,
+          transactions_count: 2,
           previous_block_hash: block.previous_block_hash,
           size: block.size,
         });
+
+        const serializedBlock = data[0] as SerializedBlockWithTransactions;
+        expect(serializedBlock.transactions[0].serialized).toBeNull();
+        expect(serializedBlock.transactions[1].serialized).toBe('serialized');
       });
     });
   });

src/transactions/dto/upsert-transactions.dto.ts

@@ -53,6 +53,10 @@ export class TransactionDto {
   @IsArray()
   @ValidateNested({ each: true })
   readonly burns!: BurnDto[];
+
+  @IsOptional()
+  @IsString()
+  readonly serialized?: string;
 }
 
 export class UpsertTransactionsDto {

src/transactions/interfaces/upsert-transaction-options.ts

@@ -8,6 +8,7 @@ export interface UpsertTransactionOptions {
   size: number;
   notes: Note[];
   spends: Spend[];
+  serialized?: string;
 }
 
 interface Note {

src/transactions/transactions.service.ts

@@ -39,6 +39,7 @@ export class TransactionsService {
         size: tx.size,
         notes: classToPlain(tx.notes),
         spends: classToPlain(tx.spends),
+        serialized: tx.serialized ?? null,
       })),
       skipDuplicates: true,
     });