Display fees correctly for Liquid blocks.

backend/src/api/blocks.ts

@@ -98,7 +98,7 @@ class Blocks {
       vin: [{
         scriptsig: tx.vin[0].scriptsig
       }],
-      vout: tx.vout.map((vout) => ({ scriptpubkey_address: vout.scriptpubkey_address }))
+      vout: tx.vout.map((vout) => ({ scriptpubkey_address: vout.scriptpubkey_address, value: vout.value }))
     };
   }
 }

backend/src/interfaces.ts

@@ -43,6 +43,7 @@ interface VinStrippedToScriptsig {
 
 interface VoutStrippedToScriptPubkey {
   scriptpubkey_address: string | undefined;
+  value: number;
 }
 
 export interface TransactionExtended extends Transaction {