support protocol fee in price calculation for soul name

src/contracts/modules/soul-name.ts

@@ -164,30 +164,70 @@ export class SoulName extends MasaModuleBase {
     // slippage in bps where 10000 is 100%. 250 would be 2,5%
     slippage: number | undefined = 250
   ): Promise<{
-    price: BigNumber;
     paymentAddress: string;
+    price: BigNumber;
     formattedPrice: string;
+    mintFee: BigNumber;
+    formattedMintFee: string;
+    protocolFee: BigNumber;
+    formattedProtocolFee: string;
   }> => {
     const paymentAddress = this.getPaymentAddress(paymentMethod);
 
-    let price = await this.instances.SoulStoreContract.getPriceForMintingName(
-      paymentAddress,
-      nameLength,
-      duration
-    );
+    let mintFee: BigNumber | undefined,
+      protocolFee: BigNumber = BigNumber.from(0);
+    try {
+      // load protocol and mint fee
+      const fees =
+        await this.instances.SoulStoreContract.getPriceForMintingNameWithProtocolFee(
+          paymentAddress,
+          nameLength,
+          duration
+        );
+      mintFee = fees.price;
+      protocolFee = fees.protocolFee;
+    } catch {
+      // ignore this is a soul store 2.0 function and does not work on older contracts
+    }
+
+    if (!mintFee) {
+      // fallback to classical price calculation
+      mintFee = await this.instances.SoulStoreContract.getPriceForMintingName(
+        paymentAddress,
+        nameLength,
+        duration
+      );
+    }
+
+    // calculate total price
+    let price = mintFee.add(protocolFee);
 
     if (slippage) {
       if (isNativeCurrency(paymentMethod)) {
         price = this.addSlippage(price, slippage);
       }
     }
 
+    // total price
     const formattedPrice = await this.formatPrice(paymentAddress, price);
 
+    // mint fee
+    const formattedMintFee = await this.formatPrice(paymentAddress, mintFee);
+
+    // protocol fee
+    const formattedProtocolFee = await this.formatPrice(
+      paymentAddress,
+      protocolFee
+    );
+
     return {
-      price,
       paymentAddress,
+      price,
       formattedPrice,
+      mintFee,
+      formattedMintFee,
+      protocolFee,
+      formattedProtocolFee,
     };
   };