Fix jupiter price methods

src/app/api/registry/route.ts

@@ -10,7 +10,7 @@ import { DENOM as ALNT_DENOM } from '@cerc-io/registry-sdk';
 import { verifyUnusedSolanaPayment } from '@/utils/solanaVerify';
 import { transferLNTTokens } from '@/services/laconicTransfer';
 import { getRegistry, getRegistryConfig } from '@/config';
-import { calculateTokenAmount } from '@/services/jupiterPrice';
+import { GetRequiredTokenInfo } from '@/services/jupiterPrice';
 
 assert(process.env.NEXT_PUBLIC_SOLANA_RPC_URL, 'SOLANA_RPC_URL is required');
 const SOLANA_RPC_URL = process.env.NEXT_PUBLIC_SOLANA_RPC_URL;
@@ -185,7 +185,8 @@ export async function POST(request: NextRequest) {
     // Calculate expected token amount based on current price
     let expectedTokenAmount: number;
     try {
-      expectedTokenAmount = await calculateTokenAmount(targetUsdAmount, mintAddress);
+      const { requiredAmount } = await GetRequiredTokenInfo(targetUsdAmount, mintAddress);
+      expectedTokenAmount = Math.round(requiredAmount - 0.2 * requiredAmount); // Allow 20% slippage due to price fluctuations
     } catch (error) {
       console.error('Error calculating token amount:', error);
       return NextResponse.json({
@@ -223,7 +224,7 @@ export async function POST(request: NextRequest) {
     }
 
     console.log('LNT transfer completed:', lntTransferResult.transactionHash);
-    const finalTxHash = lntTransferResult.transactionHash!; // Use LNT transfer hash for registry
+    const laconicTxHash = lntTransferResult.transactionHash!; // Use LNT transfer hash for registry
 
     // Validate required environment variables for Solana payments
     const requiredEnvVars = [
@@ -412,7 +413,7 @@ export async function POST(request: NextRequest) {
         tx_hash: txHash,
         pubkey: senderPublicKey
       },
-      payment: finalTxHash,
+      payment: laconicTxHash,
     };
 
     console.log('Deployment request data:', deploymentRequestData);

src/components/PaymentModal.tsx

@@ -7,7 +7,7 @@ import assert from 'assert';
 import { Connection } from '@solana/web3.js';
 
 import { sendSolanaTokenPayment } from '@/services/solana';
-import { calculateTokenAmount, getTokenPrice } from '@/services/jupiterPrice';
+import { GetRequiredTokenInfo } from '@/services/jupiterPrice';
 import { PaymentModalProps } from '@/types';
 
 assert(process.env.NEXT_PUBLIC_SOLANA_RPC_URL, 'SOLANA_RPC_URL is required');
@@ -42,12 +42,9 @@ export default function PaymentModal({
       setError('');
 
       try {
-        const [amount, priceInfo] = await Promise.all([
-          calculateTokenAmount(targetUsdAmount, mintAddress),
-          getTokenPrice(mintAddress)
-        ]);
-        setTokenAmount(amount);
-        setTokenDecimals(priceInfo.decimals);
+        const {requiredAmount, decimals} = await GetRequiredTokenInfo(targetUsdAmount, mintAddress)
+        setTokenAmount(requiredAmount);
+        setTokenDecimals(decimals);
       } catch (error) {
         console.error('Error fetching token price:', error);
         setError('Unable to fetch current token price. Please try again.');
@@ -147,7 +144,7 @@ export default function PaymentModal({
                       <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                       <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                     </svg>
-                    Calculating token amount...
+                    Fetching token amount...
                   </div>
                 ) : (
                   <input
@@ -172,7 +169,7 @@ export default function PaymentModal({
               </div>
             </div>
             <p className="text-xs mt-1" style={{ color: 'var(--muted)' }}>
-              Token amount calculated from current market price
+              Token information fetched from <a className='text-blue-400 underline' href={`https://jup.ag/tokens/${process.env.NEXT_PUBLIC_SOLANA_TOKEN_MINT_ADDRESS}`}>Jupiter</a>
             </p>
           </div>
 

src/services/jupiterPrice.ts

@@ -12,27 +12,32 @@ interface TokenPriceInfo {
   decimals: number;
 }
 
+interface RequiredTokenInfo {
+  requiredAmount: number;
+  decimals: number;
+}
+
 /**
  * Fetches token price from Jupiter aggregator API
  * @param mintAddress The Solana token mint address
  * @returns Token price information including USD price and decimals
  */
-export async function getTokenPrice(mintAddress: string): Promise<TokenPriceInfo> {
+export async function getTokenInfo(mintAddress: string): Promise<TokenPriceInfo> {
   try {
     const response = await fetch(`https://lite-api.jup.ag/price/v3?ids=${mintAddress}`);
-    
+
     if (!response.ok) {
       throw new Error(`Jupiter API error: ${response.status} ${response.statusText}`);
     }
-    
+
     const data: JupiterPriceResponse = await response.json();
-    
+
     if (!data[mintAddress]) {
       throw new Error(`Price not found for token: ${mintAddress}`);
     }
-    
+
     const tokenInfo = data[mintAddress];
-    
+
     return {
       usdPrice: tokenInfo.usdPrice,
       decimals: tokenInfo.decimals
@@ -47,32 +52,16 @@ export async function getTokenPrice(mintAddress: string): Promise<TokenPriceInfo
  * Calculates the token amount needed for a given USD price
  * @param targetUsdAmount The target amount in USD
  * @param mintAddress The Solana token mint address
- * @returns The token amount (in smallest units) needed
+ * @returns The token amount (in smallest units) needed and token decimals
  */
-export async function calculateTokenAmount(targetUsdAmount: number, mintAddress: string): Promise<number> {
-  const priceInfo = await getTokenPrice(mintAddress);
-  
+export async function GetRequiredTokenInfo(targetUsdAmount: number, mintAddress: string): Promise<RequiredTokenInfo> {
+  const priceInfo = await getTokenInfo(mintAddress);
+
   // Calculate token amount needed
   const tokenAmount = targetUsdAmount / priceInfo.usdPrice;
-  
-  // Convert to smallest units (considering decimals)
-  const amountInSmallestUnits = Math.ceil(tokenAmount * Math.pow(10, priceInfo.decimals));
-  
-  return amountInSmallestUnits;
-}
 
-/**
- * Gets the current USD value of a token amount
- * @param tokenAmount Token amount in smallest units
- * @param mintAddress The Solana token mint address
- * @returns USD value of the token amount
- */
-export async function getTokenValueInUSD(tokenAmount: number, mintAddress: string): Promise<number> {
-  const priceInfo = await getTokenPrice(mintAddress);
-  
-  // Convert from smallest units to token units
-  const actualTokens = tokenAmount / Math.pow(10, priceInfo.decimals);
-  
-  // Calculate USD value
-  return actualTokens * priceInfo.usdPrice;
-}
+  // Convert to smallest units (considering decimals)
+  const amountInSmallestUnits = Math.round(tokenAmount * Math.pow(10, priceInfo.decimals));
+
+  return {requiredAmount: amountInSmallestUnits, decimals: priceInfo.decimals};
+}