ran prettier

brunopgalvao · brunopgalvao · commit f8610ceaac36 · 2025-08-04T14:46:14.000-04:00
diff --git a/.snippets/code/develop/interoperability/best-practices-for-teleporting-assets/dry-run-example.ts b/.snippets/code/develop/interoperability/best-practices-for-teleporting-assets/dry-run-example.ts
@@ -10,30 +10,33 @@ import {
   XcmV4Instruction,
   XcmVersionedAssets,
   XcmVersionedLocation,
-  XcmVersionedXcm
-} from "@polkadot-api/descriptors";
-import { createClient, Enum, FixedSizeBinary, type Transaction } from "polkadot-api";
-import { getWsProvider } from "polkadot-api/ws-provider/web";
-import { withPolkadotSdkCompat } from "polkadot-api/polkadot-sdk-compat";
+  XcmVersionedXcm,
+} from '@polkadot-api/descriptors';
+import {
+  createClient,
+  Enum,
+  FixedSizeBinary,
+  type Transaction,
+} from 'polkadot-api';
+import { getWsProvider } from 'polkadot-api/ws-provider/web';
+import { withPolkadotSdkCompat } from 'polkadot-api/polkadot-sdk-compat';
 
 // Asset Hub constants.
-const ASSET_HUB_WS_URL = "ws://localhost:8000";
+const ASSET_HUB_WS_URL = 'ws://localhost:8000';
 const ASSET_HUB_PARA_ID = 1000;
-const ASSET_HUB_ACCOUNT = "15oF4uVJwmo4TdGW7VfQxNLavjCXviqxT9S1MgbjMNHr6Sp5";
+const ASSET_HUB_ACCOUNT = '15oF4uVJwmo4TdGW7VfQxNLavjCXviqxT9S1MgbjMNHr6Sp5';
 const DOT_UNITS = 10_000_000_000n; // 10 decimals.
 const DOT_CENTS = DOT_UNITS / 100n;
 
 // Mythos constants.
-const MYTHOS_WS_URL = "ws://localhost:8001";
+const MYTHOS_WS_URL = 'ws://localhost:8001';
 const MYTHOS_PARA_ID = 3369;
-const MYTHOS_ACCOUNT = "0x69CF15A9393A0869A7fE535eCFe2C3CbaC127A40";
+const MYTHOS_ACCOUNT = '0x69CF15A9393A0869A7fE535eCFe2C3CbaC127A40';
 const MYTH_UNITS = 1_000_000_000_000_000_000n; // 18 decimals.
- 
+
 // Connect to Mythos.
 const mythosClient = createClient(
-  withPolkadotSdkCompat(
-    getWsProvider(MYTHOS_WS_URL)
-  )
+  withPolkadotSdkCompat(getWsProvider(MYTHOS_WS_URL))
 );
 
 // Get the typed API which lets us use descriptors.
@@ -47,15 +50,17 @@ const tx = mythApi.tx.PolkadotXcm.limited_teleport_assets({
   }),
   beneficiary: XcmVersionedLocation.V4({
     parents: 0,
-    interior: XcmV3Junctions.X1(XcmV3Junction.AccountId32({
-      id: FixedSizeBinary.fromAccountId32(ASSET_HUB_ACCOUNT),
-      network: undefined,
-    })),
+    interior: XcmV3Junctions.X1(
+      XcmV3Junction.AccountId32({
+        id: FixedSizeBinary.fromAccountId32(ASSET_HUB_ACCOUNT),
+        network: undefined,
+      })
+    ),
   }),
   assets: XcmVersionedAssets.V4([
     {
       id: { parents: 0, interior: XcmV3Junctions.Here() },
-      fun: XcmV3MultiassetFungibility.Fungible(1n * MYTH_UNITS)
+      fun: XcmV3MultiassetFungibility.Fungible(1n * MYTH_UNITS),
     },
   ]),
   fee_asset_item: 0,
@@ -67,28 +72,30 @@ await dryRun(tx.decodedCall);
 async function dryRun(call: Transaction<any, any, any, any>['decodedCall']) {
   // Dry run the teleport locally so you know you can for example withdraw
   // the necessary funds and pay for delivery fees.
-  console.log('Dry running teleport on Mythos...')
+  console.log('Dry running teleport on Mythos...');
   const localDryRunResult = await mythApi.apis.DryRunApi.dry_run_call(
     Enum('system', Enum('Signed', MYTHOS_ACCOUNT)),
-    call,
+    call
   );
 
   // Only continue if the local dry run works.
   // The first condition is whether or not the runtime API was successful,
   // the second is whether or not the underlying dry-run was successful.
-  if (localDryRunResult.success && localDryRunResult.value.execution_result.success) {
+  if (
+    localDryRunResult.success &&
+    localDryRunResult.value.execution_result.success
+  ) {
     // You are interested in the message to Asset Hub that results from your call.
     // You filter for it here.
-    const [_, messages] =
-      localDryRunResult.value.forwarded_xcms.find(
-        ([location, _]) =>
-          // You happen to know the latest version in Mythos is V5 because of the descriptors.
-          location.type === 'V5' &&
-            location.value.parents === 1 &&
-            location.value.interior.type === 'X1' &&
-            location.value.interior.value.type === 'Parachain' &&
-            location.value.interior.value.value === ASSET_HUB_PARA_ID
-        )!;
+    const [_, messages] = localDryRunResult.value.forwarded_xcms.find(
+      ([location, _]) =>
+        // You happen to know the latest version in Mythos is V5 because of the descriptors.
+        location.type === 'V5' &&
+        location.value.parents === 1 &&
+        location.value.interior.type === 'X1' &&
+        location.value.interior.value.type === 'Parachain' &&
+        location.value.interior.value.value === ASSET_HUB_PARA_ID
+    )!;
     // There could be multiple messages to Asset Hub, you know it's only one
     // so you take the first one.
     const messageToAh = messages[0];
@@ -101,16 +108,18 @@ async function dryRun(call: Transaction<any, any, any, any>['decodedCall']) {
     // You get the supported versions directly from the descriptors.
     if (messageToAh.type === 'V4') {
       console.log('Dry running on Asset Hub...');
-      const remoteDryRunResult =
-        await ahApi.apis.DryRunApi.dry_run_xcm(
-          XcmVersionedLocation.V4({
-            parents: 1,
-            interior: XcmV3Junctions.X1(XcmV3Junction.Parachain(MYTHOS_PARA_ID))
-          }),
-          messageToAh
-        );
+      const remoteDryRunResult = await ahApi.apis.DryRunApi.dry_run_xcm(
+        XcmVersionedLocation.V4({
+          parents: 1,
+          interior: XcmV3Junctions.X1(XcmV3Junction.Parachain(MYTHOS_PARA_ID)),
+        }),
+        messageToAh
+      );
 
-      if (remoteDryRunResult.success && remoteDryRunResult.value.execution_result.type === 'Complete') {
+      if (
+        remoteDryRunResult.success &&
+        remoteDryRunResult.value.execution_result.type === 'Complete'
+      ) {
         // Success! Let's go ahead with the teleport.
         console.log('Success!');
       } else {
@@ -127,39 +136,71 @@ async function dryRun(call: Transaction<any, any, any, any>['decodedCall']) {
         const xcm = XcmVersionedXcm.V4([
           // You withdraw some MYTH from your account on Mythos.
           XcmV4Instruction.WithdrawAsset([
-            { id: { parents: 0, interior: XcmV3Junctions.Here() }, fun: XcmV3MultiassetFungibility.Fungible(100n * MYTH_UNITS) },
+            {
+              id: { parents: 0, interior: XcmV3Junctions.Here() },
+              fun: XcmV3MultiassetFungibility.Fungible(100n * MYTH_UNITS),
+            },
           ]),
           // Use them to pay fees.
           XcmV4Instruction.BuyExecution({
-            fees: { id: { parents: 0, interior: XcmV3Junctions.Here() }, fun: XcmV3MultiassetFungibility.Fungible(100n * MYTH_UNITS) },
+            fees: {
+              id: { parents: 0, interior: XcmV3Junctions.Here() },
+              fun: XcmV3MultiassetFungibility.Fungible(100n * MYTH_UNITS),
+            },
             weight_limit: XcmV3WeightLimit.Unlimited(),
           }),
           // Teleport the MYTH to Asset Hub.
           XcmV4Instruction.InitiateTeleport({
-            assets: XcmV4AssetAssetFilter.Wild(XcmV4AssetWildAsset.AllCounted(1)),
-            dest: { parents: 1, interior: XcmV3Junctions.X1(XcmV3Junction.Parachain(ASSET_HUB_PARA_ID)) },
+            assets: XcmV4AssetAssetFilter.Wild(
+              XcmV4AssetWildAsset.AllCounted(1)
+            ),
+            dest: {
+              parents: 1,
+              interior: XcmV3Junctions.X1(
+                XcmV3Junction.Parachain(ASSET_HUB_PARA_ID)
+              ),
+            },
             xcm: [
               // You pay fees with MYTH on Asset Hub.
               // This is possible because Asset Hub allows paying fees with any asset that has a liquidity pool.
               XcmV4Instruction.BuyExecution({
-                fees: { id: { parents: 1, interior: XcmV3Junctions.X1(XcmV3Junction.Parachain(MYTHOS_PARA_ID)) }, fun: XcmV3MultiassetFungibility.Fungible(50n * MYTH_UNITS) },
+                fees: {
+                  id: {
+                    parents: 1,
+                    interior: XcmV3Junctions.X1(
+                      XcmV3Junction.Parachain(MYTHOS_PARA_ID)
+                    ),
+                  },
+                  fun: XcmV3MultiassetFungibility.Fungible(50n * MYTH_UNITS),
+                },
                 weight_limit: XcmV3WeightLimit.Unlimited(),
               }),
               // You explicitly swap your MYTH for 0.01 DOT to cover ED.
               XcmV4Instruction.ExchangeAsset({
-                give: XcmV4AssetAssetFilter.Wild(XcmV4AssetWildAsset.AllCounted(1)),
-                want: [{ id: { parents: 1, interior: XcmV3Junctions.Here() }, fun: XcmV3MultiassetFungibility.Fungible(1n * DOT_CENTS) }],
+                give: XcmV4AssetAssetFilter.Wild(
+                  XcmV4AssetWildAsset.AllCounted(1)
+                ),
+                want: [
+                  {
+                    id: { parents: 1, interior: XcmV3Junctions.Here() },
+                    fun: XcmV3MultiassetFungibility.Fungible(1n * DOT_CENTS),
+                  },
+                ],
                 maximal: false,
               }),
               // You deposit all your MYTH and your 0.01 DOT into the beneficiary account.
               XcmV4Instruction.DepositAsset({
-                assets: XcmV4AssetAssetFilter.Wild(XcmV4AssetWildAsset.AllCounted(2)),
+                assets: XcmV4AssetAssetFilter.Wild(
+                  XcmV4AssetWildAsset.AllCounted(2)
+                ),
                 beneficiary: {
                   parents: 0,
-                  interior: XcmV3Junctions.X1(XcmV3Junction.AccountId32({
-                    id: FixedSizeBinary.fromAccountId32(ASSET_HUB_ACCOUNT),
-                    network: undefined,
-                  })),
+                  interior: XcmV3Junctions.X1(
+                    XcmV3Junction.AccountId32({
+                      id: FixedSizeBinary.fromAccountId32(ASSET_HUB_ACCOUNT),
+                      network: undefined,
+                    })
+                  ),
                 },
               }),
             ],
@@ -168,12 +209,12 @@ async function dryRun(call: Transaction<any, any, any, any>['decodedCall']) {
 
         const tx = mythApi.tx.PolkadotXcm.execute({
           message: xcm,
-          max_weight: { ref_time: 4_000_000_000n, proof_size: 300_000n }
+          max_weight: { ref_time: 4_000_000_000n, proof_size: 300_000n },
         });
 
         // You try the dry run again.
         dryRun(tx.decodedCall);
       }
     }
   }
-}
+}
