From 08af9ba20d331dbc3fb0971b4a1a4e1d399718ab Mon Sep 17 00:00:00 2001
From: pranavjadhav007 <jadhavpranav89@gmail.com>
Date: Wed, 4 Jun 2025 14:12:41 +0530
Subject: [PATCH] Add nym chain in the network

---
 src/global.d.ts                 |  2 +-
 src/hooks/useWebViewHandler.ts  |  3 ++-
 src/screens/ApproveTransfer.tsx | 26 +++++++++++++++++++++++---
 src/types.ts                    |  1 +
 src/utils/constants.ts          | 12 ++++++++++++
 5 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/src/global.d.ts b/src/global.d.ts
index c4ef4a9..f082ff1 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -29,7 +29,7 @@ declare global {
     receiveSignRequestFromAndroid?: (message: string) => void;
 
     // Handles incoming transfer requests from Android
-    receiveTransferRequestFromAndroid?: (to: string, amount: string, namespace: String, chainId: string) => void;
+    receiveTransferRequestFromAndroid?: (to: string, amount: string, namespace: String, chainId: string, memo: string) => void;
   }
 }
 
diff --git a/src/hooks/useWebViewHandler.ts b/src/hooks/useWebViewHandler.ts
index 50d873b..d3f5dfb 100644
--- a/src/hooks/useWebViewHandler.ts
+++ b/src/hooks/useWebViewHandler.ts
@@ -75,7 +75,7 @@ export const useWebViewHandler = () => {
   }, [selectedNetwork, accounts, currentIndex, navigation]);
 
   // Handle incoming transfer requests
-  const navigateToTransfer = useCallback(async (to: string, amount: string, namespace: String, chainId: string) => {
+  const navigateToTransfer = useCallback(async (to: string, amount: string, namespace: String, chainId: string, memo: string) => {
     const chainSpecs = {
       namespace,
       chainId,
@@ -117,6 +117,7 @@ export const useWebViewHandler = () => {
                 data: ''
               },
               accountInfo: chainAccount,
+              memo: memo 
             },
           },
         ],
diff --git a/src/screens/ApproveTransfer.tsx b/src/screens/ApproveTransfer.tsx
index 763a7a1..9e60053 100644
--- a/src/screens/ApproveTransfer.tsx
+++ b/src/screens/ApproveTransfer.tsx
@@ -61,6 +61,8 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
   const requestEvent = route.params.requestEvent;
   const chainId = requestEvent?.params.chainId || route.params.chainId;
   const requestMethod = requestEvent?.params.request.method;
+  const customMemo = route.params.memo;
+  const finalMemo = customMemo || MEMO;
 
   const [account, setAccount] = useState<Account>();
   const [isLoading, setIsLoading] = useState(true);
@@ -208,6 +210,16 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
       throw new Error('Account is not valid');
     }
 
+    console.log('Sending transaction request:', {
+      from: account.address,
+      to: transaction.to,
+      amount: transaction.value,
+      denom: requestedNetwork?.nativeDenom,
+      memo: finalMemo,
+      gas: cosmosGasLimit,
+      fees: fees
+    });
+
     if (!requestedNetwork) {
       throw new Error('Network not found');
     }
@@ -228,9 +240,11 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
         ],
         gas: cosmosGasLimit,
       },
-      MEMO,
+      finalMemo,
     );
 
+    console.log('Transaction result:', result);
+
     // Convert BigInt values to strings before sending to Android
     const serializedResult = JSON.stringify(result, (key, value) => 
       typeof value === 'bigint' ? value.toString() : value
@@ -520,7 +534,7 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
         const gasEstimation = await cosmosStargateClient.simulate(
           transaction.from!,
           [sendMsg],
-          MEMO,
+          finalMemo,
         );
 
         setCosmosGasLimit(
@@ -538,7 +552,7 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
       }
     };
     getCosmosGas();
-  }, [cosmosStargateClient, isSufficientFunds, sendMsg, transaction]);
+  }, [cosmosStargateClient, isSufficientFunds, sendMsg, transaction,finalMemo]);
 
   useEffect(() => {
     if (balance && !isSufficientFunds) {
@@ -595,6 +609,12 @@ const ApproveTransfer = ({ route }: ApproveTransferProps) => {
                     transaction.value?.toString(),
                   ).toString()}
                 />
+                {namespace === COSMOS && (
+                  <DataBox
+                    label="Memo"
+                    data={finalMemo}
+                  />
+                )}
 
                 {namespace === EIP155 ? (
                   <>
diff --git a/src/types.ts b/src/types.ts
index 3251843..e70812b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -25,6 +25,7 @@ export type StackParamsList = {
     transaction: PopulatedTransaction;
     requestEvent?: Web3WalletTypes.SessionRequest;
     requestSessionData?: SessionTypes.Struct;
+    memo?: string; 
   };
   InvalidPath: undefined;
   WalletConnect: undefined;
diff --git a/src/utils/constants.ts b/src/utils/constants.ts
index 2eea12c..041e97b 100644
--- a/src/utils/constants.ts
+++ b/src/utils/constants.ts
@@ -52,6 +52,18 @@ export const DEFAULT_NETWORKS: NetworksFormData[] = [
     gasPrice: '0.025',
     isDefault: true,
   },
+  {
+    chainId: 'nyx',
+    networkName: 'Nym',
+    namespace: COSMOS,
+    rpcUrl: 'https://rpc.nymtech.net',
+    blockExplorerUrl: 'https://explorer.nymtech.net',
+    nativeDenom: 'unym',
+    addressPrefix: 'n',
+    coinType: '118',
+    gasPrice: '0.025',
+    isDefault: true,
+  },
 ];
 
 export const CHAINID_DEBOUNCE_DELAY = 250;