Refactor method to resolve pricing record lrn

.env.example

@@ -8,7 +8,6 @@ NEXT_PUBLIC_SOLANA_TOKEN_MINT_ADDRESS=71Jvq4Epe2FCJ7JFSF7jLXdNk1Wy4Bhqd9iL6bEFEL
 # Multisig address
 NEXT_PUBLIC_SOLANA_TOKEN_RECIPIENT_ADDRESS=FFDx3SdAEeXrp6BTmStB4BDHpctGsaasZq4FFcowRobY
 NEXT_PUBLIC_SOLANA_TOKEN_SYMBOL=GOR
-NEXT_PUBLIC_SOLANA_PAYMENT_AMOUNT_USD=5 # Payment amount in USD
 
 # UI Configuration
 NEXT_PUBLIC_EXAMPLE_URL=https://git.vdb.to/cerc-io/test-progressive-web-app

src/app/api/registry/route.ts

@@ -11,6 +11,7 @@ import { verifyUnusedSolanaPayment } from '@/utils/solana-verify';
 import { transferLNTTokens } from '@/services/laconic-transfer';
 import { getRegistry, getRegistryConfig } from '@/config';
 import { getRequiredTokenInfo } from '@/services/jupiter-price';
+import { resolvePricingRecordLrn } from '@/services/registry';
 
 assert(process.env.NEXT_PUBLIC_SOLANA_RPC_URL, 'SOLANA_RPC_URL is required');
 const SOLANA_RPC_URL = process.env.NEXT_PUBLIC_SOLANA_RPC_URL;
@@ -182,7 +183,8 @@ export async function POST(request: NextRequest) {
 
     // Verify Solana payment
     console.log('Step 0: Verifying Solana token payment...');
-    const targetUsdAmount = parseFloat(process.env.NEXT_PUBLIC_SOLANA_PAYMENT_AMOUNT_USD!);
+    const pricingRecordAttributes = await resolvePricingRecordLrn();
+    const targetUsdAmount = parseInt(pricingRecordAttributes.amount, 10);
     const mintAddress = process.env.NEXT_PUBLIC_SOLANA_TOKEN_MINT_ADDRESS!;
 
     // Calculate expected token amount based on current price

src/components/PaymentModal.tsx

@@ -9,29 +9,16 @@ import { Connection } from '@solana/web3.js';
 import { sendSolanaTokenPayment } from '@/services/solana';
 import { getRequiredTokenInfo } from '@/services/jupiter-price';
 import { PaymentModalProps } from '@/types';
-import { getRegistry } from '@/config';
+import { resolvePricingRecordLrn } from '@/services/registry';
 
 assert(process.env.NEXT_PUBLIC_SOLANA_RPC_URL, 'SOLANA_RPC_URL is required');
-assert(process.env.NEXT_PUBLIC_PRICING_RECORD_LRN, 'DEPLOYMENT_RECORD_LRN is required');
-
 const SOLANA_RPC_URL = process.env.NEXT_PUBLIC_SOLANA_RPC_URL;
-const PRICING_RECORD_LRN = process.env.NEXT_PUBLIC_PRICING_RECORD_LRN;
-const SUPPORTED_CURRENCY = "USD";
-const VALID_PRICING_RECORD_FOR = "webapp-deployment";
 
 interface DeploymentCostInfo {
   amount: string;
   currency: string;
 }
 
-interface PricingRecordAttributes {
-  amount: string;
-  currency: string;
-  for: string;
-  type: string;
-  version: string;
-}
-
 export default function PaymentModal({
   isOpen,
   onClose,
@@ -49,27 +36,16 @@ export default function PaymentModal({
   const connection = useMemo(() => new Connection(SOLANA_RPC_URL), []);
 
   useEffect(() => {
-    const registry = getRegistry();
-
-    const resolveDeploymentCostInfo = async () => {
-      const result = await registry.resolveNames([PRICING_RECORD_LRN!])
-      const PricingRecordAttributes: PricingRecordAttributes = result[0].attributes;
-
-      if (PricingRecordAttributes.for !== VALID_PRICING_RECORD_FOR) {
-        throw new Error(`Incorrect pricing record type: ${PricingRecordAttributes.type}. Please provide correct pricing record lrn`)
-      }
-
-      if (PricingRecordAttributes.currency !== SUPPORTED_CURRENCY) {
-        throw new Error(`Unsupported currency found in pricing record: ${PricingRecordAttributes.currency}`)
-      }
+    const getDeploymentCostInfo = async () => {
+      const pricingRecordAttributes = await resolvePricingRecordLrn();
 
       setDeploymentCostInfo({
-        amount: PricingRecordAttributes.amount,
-        currency:PricingRecordAttributes.currency
+        amount: pricingRecordAttributes.amount,
+        currency:pricingRecordAttributes.currency
       })
     }
 
-    resolveDeploymentCostInfo();
+    getDeploymentCostInfo();
   }, []);
 
   // Get configuration from environment variables

src/config/index.ts

@@ -25,7 +25,7 @@ export const getClientRegistryConfig = () => {
     rpcEndpoint: process.env.NEXT_PUBLIC_REGISTRY_RPC_ENDPOINT!,
     gqlEndpoint: process.env.NEXT_PUBLIC_REGISTRY_GQL_ENDPOINT!,
     fee: {
-      gasPrice: process.env.NEXT_PUBLIC_REGISTRY_GAS_PRICE || '0.001',
+      gasPrice: process.env.NEXT_PUBLIC_REGISTRY_GAS_PRICE!,
     },
   };
 };

src/services/registry.ts

@@ -1,4 +1,14 @@
-import { CreateRecordResponse } from '../types';
+import assert from 'assert';
+
+import { getRegistry } from '@/config';
+import { CreateRecordResponse, PricingRecordAttributes } from '../types';
+
+assert(process.env.NEXT_PUBLIC_PRICING_RECORD_LRN, 'DEPLOYMENT_RECORD_LRN is required');
+const PRICING_RECORD_LRN = process.env.NEXT_PUBLIC_PRICING_RECORD_LRN;
+
+const SUPPORTED_CURRENCY = "USD";
+const VALID_PRICING_RECORD_FOR = "webapp-deployment";
+
 
 export const createApplicationDeploymentRequest = async (
   url: string,
@@ -49,3 +59,18 @@ export const createApplicationDeploymentRequest = async (
   }
 };
 
+export const resolvePricingRecordLrn = async (): Promise<PricingRecordAttributes> => {
+  const registry = getRegistry();
+  const result = await registry.resolveNames([PRICING_RECORD_LRN])
+  const pricingRecordAttributes: PricingRecordAttributes = result[0].attributes;
+
+  if (pricingRecordAttributes.for !== VALID_PRICING_RECORD_FOR) {
+    throw new Error(`Incorrect pricing record type: ${pricingRecordAttributes.type}. Please provide correct pricing record lrn`)
+  }
+
+  if (pricingRecordAttributes.currency !== SUPPORTED_CURRENCY) {
+    throw new Error(`Unsupported currency found in pricing record: ${pricingRecordAttributes.currency}`)
+  }
+
+  return pricingRecordAttributes;
+}

src/types/index.ts

@@ -72,3 +72,11 @@ export interface LaconicTransferResult {
   transactionHash?: string;
   error?: string;
 }
+
+export interface PricingRecordAttributes {
+  amount: string;
+  currency: string;
+  for: string;
+  type: string;
+  version: string;
+}