add transferAssetsUsingTypeAndThen function to xcmPallet and implemen…

…t it to relay chains
moonbeam-foundation · Sep 10, 2024 · afa59d7 · afa59d7
1 parent f04570c
commit afa59d7
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Showing 5 changed files with 75 additions and 3 deletions.
diff --git a/packages/builder/src/extrinsic/ExtrinsicBuilder.interfaces.ts b/packages/builder/src/extrinsic/ExtrinsicBuilder.interfaces.ts
@@ -20,6 +20,7 @@ export enum XcmVersion {
   v1 = 'V1',
   v2 = 'V2',
   v3 = 'V3',
+  v4 = 'V4',
 }
 
 export type Parents = 0 | 1;
diff --git a/packages/builder/src/extrinsic/pallets/xcmPallet/xcmPallet.ts b/packages/builder/src/extrinsic/pallets/xcmPallet/xcmPallet.ts
@@ -2,7 +2,9 @@
 import {
   ExtrinsicConfigBuilder,
   Parents,
+  XcmVersion,
 } from '../../ExtrinsicBuilder.interfaces';
+import { getExtrinsicAccount } from '../../ExtrinsicBuilder.utils';
 import { ExtrinsicConfig } from '../../ExtrinsicConfig';
 import { getPolkadotXcmExtrinsicArgs } from '../polkadotXcm/polkadotXcm.util';
 
@@ -42,5 +44,74 @@ export function xcmPallet() {
         }),
       };
     },
+    transferAssetsUsingTypeAndThen: () => {
+      const func = 'transferAssetsUsingTypeAndThen';
+
+      return {
+        here: (): ExtrinsicConfigBuilder => ({
+          build: (params) =>
+            new ExtrinsicConfig({
+              module: pallet,
+              func,
+              getArgs: () => {
+                const version = XcmVersion.v4;
+                return [
+                  {
+                    [version]: {
+                      parents: 0,
+                      interior: {
+                        X1: [
+                          {
+                            Parachain: params.destination.parachainId,
+                          },
+                        ],
+                      },
+                    },
+                  },
+                  {
+                    [version]: [
+                      {
+                        id: {
+                          parents: 0,
+                          interior: 'Here',
+                        },
+                        fun: {
+                          Fungible: params.amount,
+                        },
+                      },
+                    ],
+                  },
+                  'LocalReserve',
+                  {
+                    [version]: {
+                      parents: 0,
+                      interior: 'Here',
+                    },
+                  },
+                  'LocalReserve',
+                  {
+                    [version]: [
+                      {
+                        DepositAsset: {
+                          assets: {
+                            Wild: { AllCounted: 1 },
+                          },
+                          beneficiary: {
+                            parents: 0,
+                            interior: {
+                              X1: [getExtrinsicAccount(params.address)],
+                            },
+                          },
+                        },
+                      },
+                    ],
+                  },
+                  'Unlimited',
+                ];
+              },
+            }),
+        }),
+      };
+    },
   };
 }
diff --git a/packages/config/src/configs/alphanetRelay.ts b/packages/config/src/configs/alphanetRelay.ts
@@ -21,7 +21,7 @@ export const alphanetRelayConfig = new ChainConfig({
       },
       extrinsic: ExtrinsicBuilder()
         .xcmPallet()
-        .limitedReserveTransferAssets(0)
+        .transferAssetsUsingTypeAndThen()
         .here(),
     }),
   ],

diff --git a/packages/config/src/configs/kusama.ts b/packages/config/src/configs/kusama.ts
@@ -21,7 +21,7 @@ export const kusamaConfig = new ChainConfig({
       },
       extrinsic: ExtrinsicBuilder()
         .xcmPallet()
-        .limitedReserveTransferAssets(0)
+        .transferAssetsUsingTypeAndThen()
         .here(),
       fee: {
         asset: ksm,

diff --git a/packages/config/src/configs/polkadot.ts b/packages/config/src/configs/polkadot.ts
@@ -21,7 +21,7 @@ export const polkadotConfig = new ChainConfig({
       },
       extrinsic: ExtrinsicBuilder()
         .xcmPallet()
-        .limitedReserveTransferAssets(0)
+        .transferAssetsUsingTypeAndThen()
         .here(),
       fee: {
         asset: dot,