Separate Routes between MRL and XCM and get moon chain fee balance in source

packages/builder/src/mrl/providers/wormhole/extrinsic/polkadotXcm/polkadotXcm.ts

@@ -4,9 +4,9 @@ import { ExtrinsicBuilder } from '../../../../../extrinsic/ExtrinsicBuilder';
 import { ExtrinsicConfig } from '../../../../../types/substrate/ExtrinsicConfig';
 import type { MrlConfigBuilder } from '../../../../MrlBuilder.interfaces';
 
-// TODO: Can we move them somewhere?
-const BUY_EXECUTION_FEE = 100_000_000_000_000_000n;
-const CROSS_CHAIN_FEE = 100_000_000_000_000_000n;
+// TODO: these have to come from the configs
+const BUY_EXECUTION_FEE = 100_000_000_000_000_000n; // moonChainFee
+const CROSS_CHAIN_FEE = 100_000_000_000_000_000n; // fee for processing the xcm message in moon chain
 
 export function polkadotXcm() {
   return {

packages/config/src/ConfigService/ConfigService.ts

@@ -9,19 +9,21 @@ import { chainsMap } from '../chains';
 import { getKey } from '../config.utils';
 import type { AssetRoute } from '../types/AssetRoute';
 import type { ChainRoutes } from '../types/ChainRoutes';
+import type { MrlAssetRoute } from '../types/MrlAssetRoute';
+import type { MrlChainRoutes } from '../types/MrlChainRoutes';
 
 export interface ConfigServiceOptions {
   assets?: Map<string, Asset>;
   chains?: Map<string, AnyChain>;
-  routes: Map<string, ChainRoutes>;
+  routes: Map<string, ChainRoutes | MrlChainRoutes>;
 }
 
 export class ConfigService {
   protected assets: Map<string, Asset>;
 
   protected chains: Map<string, AnyChain>;
 
-  protected routes: Map<string, ChainRoutes>;
+  protected routes: Map<string, ChainRoutes | MrlChainRoutes>;
 
   constructor(options: ConfigServiceOptions) {
     this.assets = options.assets ?? assetsMap;
@@ -67,7 +69,7 @@ export class ConfigService {
     return chain;
   }
 
-  getChainRoutes(keyOrChain: string | AnyChain): ChainRoutes {
+  getChainRoutes(keyOrChain: string | AnyChain): ChainRoutes | MrlChainRoutes {
     const key = getKey(keyOrChain);
     const route = this.routes.get(key);
 
@@ -126,7 +128,7 @@ export class ConfigService {
     asset: string | AnyAsset;
     source: string | AnyChain;
     destination: string | AnyChain;
-  }): AssetRoute {
+  }): AssetRoute | MrlAssetRoute {
     const routes = this.getChainRoutes(source);
 
     return routes.getAssetRoute(asset, destination);

packages/config/src/index.ts

@@ -4,5 +4,7 @@ export * from './chains';
 export * from './config.utils';
 export * from './mrl-configs';
 export * from './types/AssetRoute';
+export * from './types/MrlAssetRoute';
 export * from './types/ChainRoutes';
+export * from './types/MrlChainRoutes';
 export * from './xcm-configs';

packages/config/src/mrl-configs/fantomTestnet.ts

@@ -6,9 +6,9 @@ import {
   moonbaseBeta,
   peaqAlphanet,
 } from '../chains';
-import { ChainRoutes } from '../types/ChainRoutes';
+import { MrlChainRoutes } from '../types/MrlChainRoutes';
 
-export const fantomTestnetRoutes = new ChainRoutes({
+export const fantomTestnetRoutes = new MrlChainRoutes({
   chain: fantomTestnet,
   routes: [
     {

packages/config/src/mrl-configs/index.ts

@@ -1,16 +1,18 @@
-import type { ChainRoutes } from '../types/ChainRoutes';
+import type { MrlChainRoutes } from '../types/MrlChainRoutes';
 import { fantomTestnetRoutes } from './fantomTestnet';
 import { moonbaseAlphaRoutes } from './moonbaseAlpha';
 import { moonbaseBetaRoutes } from './moonbaseBeta';
 import { peaqAlphanetRoutes } from './peaqAlphanet';
+import { peaqEvmAlphanetRoutes } from './peaqEvmAlphanet';
 
-export const mrlRoutesList: ChainRoutes[] = [
+export const mrlRoutesList: MrlChainRoutes[] = [
   fantomTestnetRoutes,
   moonbaseAlphaRoutes,
   moonbaseBetaRoutes,
   peaqAlphanetRoutes,
+  peaqEvmAlphanetRoutes,
 ];
 
-export const mrlRoutesMap = new Map<string, ChainRoutes>(
+export const mrlRoutesMap = new Map<string, MrlChainRoutes>(
   mrlRoutesList.map((config) => [config.chain.key, config]),
 );

packages/config/src/mrl-configs/moonbaseAlpha.ts

@@ -1,9 +1,9 @@
 import { BalanceBuilder, MrlBuilder } from '@moonbeam-network/xcm-builder';
 import { dev, ftm, ftmwh } from '../assets';
 import { fantomTestnet, moonbaseAlpha } from '../chains';
-import { ChainRoutes } from '../types/ChainRoutes';
+import { MrlChainRoutes } from '../types/MrlChainRoutes';
 
-export const moonbaseAlphaRoutes = new ChainRoutes({
+export const moonbaseAlphaRoutes = new MrlChainRoutes({
   chain: moonbaseAlpha,
   routes: [
     {

packages/config/src/mrl-configs/moonbaseBeta.ts

@@ -1,9 +1,9 @@
 import { BalanceBuilder, MrlBuilder } from '@moonbeam-network/xcm-builder';
 import { betaDEV, dev, ftm, ftmwh } from '../assets';
 import { fantomTestnet, moonbaseBeta } from '../chains';
-import { ChainRoutes } from '../types/ChainRoutes';
+import { MrlChainRoutes } from '../types/MrlChainRoutes';
 
-export const moonbaseBetaRoutes = new ChainRoutes({
+export const moonbaseBetaRoutes = new MrlChainRoutes({
   chain: moonbaseBeta,
   routes: [
     {

packages/config/src/mrl-configs/peaqAlphanet.ts

@@ -1,9 +1,9 @@
 import { BalanceBuilder, MrlBuilder } from '@moonbeam-network/xcm-builder';
 import { agng, dev, ftm, ftmwh } from '../assets';
 import { fantomTestnet, peaqAlphanet } from '../chains';
-import { ChainRoutes } from '../types/ChainRoutes';
+import { MrlChainRoutes } from '../types/MrlChainRoutes';
 
-export const peaqAlphanetRoutes = new ChainRoutes({
+export const peaqAlphanetRoutes = new MrlChainRoutes({
   chain: peaqAlphanet,
   routes: [
     {
@@ -14,6 +14,10 @@ export const peaqAlphanetRoutes = new ChainRoutes({
           asset: ftmwh,
           balance: BalanceBuilder().substrate().assets().account(),
         },
+        moonChainFee: {
+          asset: dev,
+          balance: BalanceBuilder().substrate().assets().account(),
+        },
         fee: {
           asset: agng,
           balance: BalanceBuilder().substrate().system().account(),
@@ -49,6 +53,10 @@ export const peaqAlphanetRoutes = new ChainRoutes({
           asset: ftmwh,
           balance: BalanceBuilder().substrate().assets().account(),
         },
+        moonChainFee: {
+          asset: dev,
+          balance: BalanceBuilder().substrate().assets().account(),
+        },
       },
       destination: {
         asset: agng,

packages/config/src/mrl-configs/peaqEvmAlphanet.ts

@@ -0,0 +1,53 @@
+import { BalanceBuilder, MrlBuilder } from '@moonbeam-network/xcm-builder';
+import { agng, dev, ftm, ftmwh } from '../assets';
+import { fantomTestnet, peaqEvmAlphanet } from '../chains';
+import { MrlChainRoutes } from '../types/MrlChainRoutes';
+
+export const peaqEvmAlphanetRoutes = new MrlChainRoutes({
+  chain: peaqEvmAlphanet,
+  routes: [
+    {
+      source: {
+        asset: ftmwh,
+        balance: BalanceBuilder().evm().erc20(),
+        destinationFee: {
+          asset: ftmwh,
+          balance: BalanceBuilder().evm().erc20(),
+        },
+        moonChainFee: {
+          asset: dev,
+          balance: BalanceBuilder().evm().erc20(),
+        },
+        fee: {
+          asset: agng,
+          balance: BalanceBuilder().substrate().system().accountEvmTo32(),
+        },
+      },
+      destination: {
+        asset: ftm,
+        chain: fantomTestnet,
+        balance: BalanceBuilder().evm().native(),
+        fee: {
+          asset: ftm,
+          amount: 0,
+        },
+      },
+      mrl: {
+        isAutomaticPossible: true,
+        transfer: MrlBuilder()
+          .wormhole()
+          .contract()
+          .TokenBridgeRelayer()
+          .transferTokensWithRelay(),
+        moonChain: {
+          asset: ftmwh,
+          fee: {
+            asset: dev,
+            amount: 0.1,
+            balance: BalanceBuilder().substrate().system().account(),
+          },
+        },
+      },
+    },
+  ],
+});

packages/config/src/types/MrlAssetRoute.ts

@@ -0,0 +1,34 @@
+import type { BalanceConfigBuilder } from '@moonbeam-network/xcm-builder';
+import type { Asset } from '@moonbeam-network/xcm-types';
+import {
+  AssetRoute,
+  type AssetRouteConstructorParams,
+  type SourceConfig,
+} from './AssetRoute';
+
+export interface MrlAssetRouteConstructorParams
+  extends AssetRouteConstructorParams {
+  source: MrlSourceConfig;
+}
+
+export interface MrlSourceConfig extends SourceConfig {
+  moonChainFee?: {
+    asset: Asset;
+    balance: BalanceConfigBuilder;
+  };
+}
+
+export class MrlAssetRoute extends AssetRoute {
+  readonly source: MrlSourceConfig;
+
+  constructor({
+    source,
+    destination,
+    contract,
+    extrinsic,
+    mrl,
+  }: MrlAssetRouteConstructorParams & { source: MrlSourceConfig }) {
+    super({ source, destination, contract, extrinsic, mrl });
+    this.source = source;
+  }
+}

packages/config/src/types/MrlChainRoutes.ts

@@ -0,0 +1,40 @@
+import { ChainRoutes, type ChainRoutesConstructorParams } from './ChainRoutes';
+import {
+  MrlAssetRoute,
+  type MrlAssetRouteConstructorParams,
+  type MrlSourceConfig,
+} from './MrlAssetRoute';
+
+export interface MrlChainRoutesConstructorParams
+  extends ChainRoutesConstructorParams {
+  routes: MrlRoutesParam[];
+}
+
+interface MrlRoutesParam
+  extends Omit<MrlAssetRouteConstructorParams, 'source'> {
+  source: Omit<MrlSourceConfig, 'chain'>;
+}
+
+export class MrlChainRoutes extends ChainRoutes {
+  readonly #routes: Map<string, MrlAssetRoute>;
+
+  constructor({ chain, routes }: MrlChainRoutesConstructorParams) {
+    super({ chain, routes });
+    this.#routes = new Map(
+      routes.map(({ source, destination, contract, extrinsic, mrl }) => [
+        `${source.asset.key}-${destination.chain.key}`,
+        new MrlAssetRoute({
+          source: { ...source, chain },
+          destination,
+          contract,
+          extrinsic,
+          mrl,
+        }),
+      ]),
+    );
+  }
+
+  getRoutes(): MrlAssetRoute[] {
+    return Array.from(this.#routes.values());
+  }
+}

packages/mrl/src/getTransferData/getMoonChainData.ts

@@ -1,4 +1,4 @@
-import { type AssetRoute, getMoonChain } from '@moonbeam-network/xcm-config';
+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';
@@ -9,7 +9,7 @@ import type {
 
 export interface GetMoonChainDataParams {
   destinationData: DestinationTransferData;
-  route: AssetRoute;
+  route: MrlAssetRoute;
   sourceAddress: string;
 }
 

packages/mrl/src/getTransferData/getSourceData.ts

@@ -4,7 +4,7 @@ import {
   MrlBuilder,
   WormholeConfig,
 } from '@moonbeam-network/xcm-builder';
-import type { AssetRoute, FeeConfig } from '@moonbeam-network/xcm-config';
+import type { FeeConfig, MrlAssetRoute } from '@moonbeam-network/xcm-config';
 import {
   getAssetMin,
   getBalance,
@@ -30,7 +30,7 @@ import {
 } from './getTransferData.utils';
 
 export interface GetSourceDataParams {
-  route: AssetRoute;
+  route: MrlAssetRoute;
   destinationAddress: string;
   destinationFee: AssetAmount;
   sourceAddress: string;
@@ -68,13 +68,21 @@ export async function getSourceData({
         chain: source,
       })
     : balance;
+
   const destinationFeeBalance = await getDestinationFeeBalance({
     balance,
     feeBalance,
     route,
     sourceAddress,
   });
 
+  const moonChainFeeBalance = await getMoonChainFeeBalance({
+    balance,
+    feeBalance,
+    route,
+    sourceAddress,
+  });
+
   const existentialDeposit = await getExistentialDeposit(source);
   const min = await getAssetMin({
     asset,
@@ -121,6 +129,7 @@ export async function getSourceData({
     balance,
     chain: source,
     destinationFeeBalance,
+    moonChainFeeBalance,
     existentialDeposit,
     fee,
     feeBalance,
@@ -235,3 +244,42 @@ async function getWormholeFee({
 
   return;
 }
+
+export interface GetMoonChainFeeBalanceParams {
+  balance: AssetAmount;
+  feeBalance: AssetAmount;
+  route: MrlAssetRoute;
+  sourceAddress: string;
+}
+
+export async function getMoonChainFeeBalance({
+  balance,
+  feeBalance,
+  route,
+  sourceAddress,
+}: GetMoonChainFeeBalanceParams): Promise<AssetAmount | undefined> {
+  if (!route.source.moonChainFee) {
+    return undefined;
+  }
+
+  if (route.mrl?.moonChain.fee.asset.isEqual(balance)) {
+    return balance;
+  }
+
+  if (route.mrl?.moonChain.fee.asset.isEqual(feeBalance)) {
+    return feeBalance;
+  }
+
+  if (!route.source.moonChainFee.balance) {
+    throw new Error(
+      'BalanceBuilder must be defined for source.moonChainFee.balance for MrlAssetRoute',
+    );
+  }
+
+  return getBalance({
+    address: sourceAddress,
+    asset: route.source.chain.getChainAsset(route.source.moonChainFee.asset),
+    builder: route.source.moonChainFee.balance,
+    chain: route.source.chain,
+  });
+}