fixes in getMoonChainData

Author: mmaurello

packages/mrl/src/getTransferData/getMoonChainData.ts

@@ -2,19 +2,14 @@ import { type MrlAssetRoute, getMoonChain } from '@moonbeam-network/xcm-config';
 import { getBalance, getDestinationFee } from '@moonbeam-network/xcm-sdk';
 import { Parachain } from '@moonbeam-network/xcm-types';
 import { getMultilocationDerivedAddresses } from '@moonbeam-network/xcm-utils';
-import type {
-  DestinationTransferData,
-  MoonChainTransferData,
-} from '../mrl.interfaces';
+import type { MoonChainTransferData } from '../mrl.interfaces';
 
 interface GetMoonChainDataParams {
-  destinationData: DestinationTransferData;
   route: MrlAssetRoute;
   sourceAddress: string;
 }
 
 export async function getMoonChainData({
-  destinationData,
   route,
   sourceAddress,
 }: GetMoonChainDataParams): Promise<MoonChainTransferData> {
@@ -25,18 +20,6 @@ export async function getMoonChainData({
   }
 
   const moonChain = getMoonChain(route.source.chain);
-  // TODO is this used for something? do we need the balance?
-  // const asset = moonChain.getChainAsset(route.mrl.moonChain.asset);
-  // const isDestinationMoonChain = route.destination.chain.isEqual(moonChain);
-
-  // TODO technically not correct
-  // if (isDestinationMoonChain) {
-  //   return {
-  //     balance: destinationData.balance,
-  //     chain: destinationData.chain,
-  //     fee: destinationData.fee,
-  //   };
-  // }
 
   const fee = await getDestinationFee({
     address: sourceAddress, // TODO not correct
@@ -48,7 +31,10 @@ export async function getMoonChainData({
 
   let address = sourceAddress;
 
-  if (Parachain.is(route.source.chain)) {
+  if (
+    Parachain.is(route.source.chain) &&
+    !route.source.chain.isEqual(moonChain)
+  ) {
     const { address20 } = getMultilocationDerivedAddresses({
       address: sourceAddress,
       paraId: route.source.chain.parachainId,
@@ -66,8 +52,7 @@ export async function getMoonChainData({
   });
 
   return {
-    // TODO technically feeBalance
-    balance: feeBalance,
+    feeBalance,
     chain: moonChain,
     fee,
   };

packages/mrl/src/getTransferData/getTransferData.ts

@@ -67,7 +67,6 @@ export async function getTransferData({
   });
 
   const moonChainData = await getMoonChainData({
-    destinationData,
     route,
     sourceAddress,
   });

packages/mrl/src/mrl.interfaces.ts

@@ -38,7 +38,12 @@ export interface SourceTransferData extends SourceChainTransferData {
 
 export interface DestinationTransferData extends ChainTransferData {}
 
-export type MoonChainTransferData = Omit<ChainTransferData, 'min'>;
+export type MoonChainTransferData = Omit<
+  ChainTransferData,
+  'min' | 'balance'
+> & {
+  feeBalance: AssetAmount;
+};
 
 export interface ChainTransferData {
   chain: AnyChain;

packages/sdk/src/services/polkadot/PolkadotService.ts

@@ -94,29 +94,28 @@ export class PolkadotService {
   ): Promise<string> {
     const extrinsic = this.getExtrinsic(config);
 
+    const isSigner = this.#isSigner(signer);
+    const signOptions = {
+      nonce: -1,
+      signer: isSigner ? signer : undefined,
+      withSignedTransaction: true,
+    };
+
     const hash = await new Promise<string>((resolve, reject) => {
       extrinsic
-        .signAndSend(
-          this.#isSigner(signer) ? account : signer,
-          {
-            nonce: -1,
-            signer: this.#isSigner(signer) ? signer : undefined,
-            withSignedTransaction: true,
-          },
-          (result) => {
-            if (result.isError || result.dispatchError) {
-              reject(
-                new Error(
-                  result.dispatchError?.toString() || 'Transaction failed',
-                ),
-              );
-            }
-            if (result.txHash) {
-              resolve(result.txHash.toString());
-            }
-            statusCallback?.(result);
-          },
-        )
+        .signAndSend(isSigner ? account : signer, signOptions, (result) => {
+          if (result.isError || result.dispatchError) {
+            reject(
+              new Error(
+                result.dispatchError?.toString() || 'Transaction failed',
+              ),
+            );
+          }
+          if (result.txHash) {
+            resolve(result.txHash.toString());
+          }
+          statusCallback?.(result);
+        })
         .catch(reject);
     });