git.delta.rocks / unique-network / refs/commits / a7e12427bd96

--- a/.baedeker/rewrites.example.jsonnet
+++ b/.baedeker/rewrites.example.jsonnet
@@ -1,17 +1,18 @@
 local dotenv = {
-    [std.splitLimit(line, "=", 2)[0]]: std.splitLimit(line, "=", 2)[1]
-    for line in std.split(importstr "../.env", "\n")
-    if line != ""
-    if std.member(line, "=")
+  [std.splitLimit(line, '=', 2)[0]]: std.splitLimit(line, '=', 2)[1]
+  for line in std.split(importstr '../.env', '\n')
+  if line != ''
+  if std.member(line, '=')
 };
 
 function(prev, repoDir)
-(import 'baedeker-library/ops/rewrites.libsonnet').rewriteNodePaths({
-	'bin/unique':'%s/target/release/unique-collator' % repoDir,
-	'bin/polkadot':{dockerImage:'uniquenetwork/builder-polkadot:%s' % dotenv.POLKADOT_MAINNET_BRANCH},
-	'bin/acala':{dockerImage:'uniquenetwork/builder-acala:%s' % dotenv.ACALA_BUILD_BRANCH},
-	'bin/moonbeam':{dockerImage:'uniquenetwork/builder-moonbeam:%s' % dotenv.MOONBEAM_BUILD_BRANCH},
-	'bin/cumulus':{dockerImage:'uniquenetwork/builder-cumulus:%s' % dotenv.STATEMINE_BUILD_BRANCH},
-	'bin/astar':{dockerImage:'uniquenetwork/builder-astar:%s' % dotenv.ASTAR_BUILD_BRANCH},
-	'bin/polkadex':{dockerImage:'uniquenetwork/builder-polkadex:%s' % dotenv.POLKADEX_BUILD_BRANCH},
-})(prev)
+  (import 'baedeker-library/ops/rewrites.libsonnet').rewriteNodePaths({
+    'bin/unique': '%s/target/release/unique-collator' % repoDir,
+    'bin/polkadot': { dockerImage: 'uniquenetwork/builder-polkadot:%s' % dotenv.POLKADOT_MAINNET_BRANCH },
+    'bin/acala': { dockerImage: 'uniquenetwork/builder-acala:%s' % dotenv.ACALA_BUILD_BRANCH },
+    'bin/moonbeam': { dockerImage: 'uniquenetwork/builder-moonbeam:%s' % dotenv.MOONBEAM_BUILD_BRANCH },
+    'bin/cumulus': { dockerImage: 'uniquenetwork/builder-cumulus:%s' % dotenv.STATEMINE_BUILD_BRANCH },
+    'bin/astar': { dockerImage: 'uniquenetwork/builder-astar:%s' % dotenv.ASTAR_BUILD_BRANCH },
+    'bin/polkadex': { dockerImage: 'uniquenetwork/builder-polkadex:%s' % dotenv.POLKADEX_BUILD_BRANCH },
+    'bin/hydradx': { dockerImage: 'uniquenetwork/builder-hydraDx:%s' % dotenv.HYDRADX_BUILD_BRANCH },
+  })(prev)

--- a/.baedeker/xcm-opal.jsonnet
+++ b/.baedeker/xcm-opal.jsonnet
@@ -19,6 +19,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'relay',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob', 'charlie', 'dave', 'eve']
 	},
@@ -35,6 +38,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -52,6 +58,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},

--- a/.baedeker/xcm-quartz.jsonnet
+++ b/.baedeker/xcm-quartz.jsonnet
@@ -24,6 +24,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'relay',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob', 'charlie', 'dave', 'eve', 'ferdie']
 	},
@@ -40,6 +43,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -60,6 +66,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -79,6 +88,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para-nimbus',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alith', 'baltathar']
 	},
@@ -96,6 +108,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -113,6 +128,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},

--- a/.baedeker/xcm-unique.jsonnet
+++ b/.baedeker/xcm-unique.jsonnet
@@ -25,8 +25,11 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'relay',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
-		for name in ['alice', 'bob', 'charlie', 'dave', 'eve', 'ferdie', 'gregory']
+		for name in ['alice', 'bob', 'charlie', 'dave', 'eve', 'ferdie', 'gregory', 'holly']
 	},
 };
 
@@ -41,6 +44,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -61,6 +67,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -80,6 +89,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para-nimbus',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alith', 'baltathar']
 	},
@@ -97,6 +109,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para-ed',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -114,6 +129,9 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
@@ -131,14 +149,39 @@
 		[name]: {
 			bin: $.bin,
 			wantedKeys: 'para',
+			extraArgs: [
+				"-lxcm=trace"
+			],
 		},
 		for name in ['alice', 'bob']
 	},
 };
 
+local hydraDx = {
+	name: 'hydraDx',
+	bin: 'bin/hydradx',
+	paraId: 1007,
+	spec: {Genesis:{
+		chain: 'local',
+		modify:: m.genericPara($),
+	}},
+	nodes: {
+		[name]: {
+			bin: $.bin,
+			wantedKeys: 'para',
+			legacyRpc: true,
+			extraArgs: [
+				"-lxcm=trace"
+			],
+		},
+		for name in ['alice', 'bob']
+	},
+};
+
+
 relay + {
 	parachains: {
 		[para.name]: para,
-		for para in [unique, acala, moonbeam, statemint, astar, polkadex]
+		for para in [unique, acala, moonbeam, statemint, astar, polkadex, hydraDx]
 	},
 }

--- a/.env
+++ b/.env
@@ -12,7 +12,7 @@
 UNIQUE_MAINNET_BRANCH=release-v10010063
 UNIQUE_REPLICA_FROM=wss://ws.unique.network:443
 POLKADEX_BUILD_BRANCH=v1.1.0
-
+HYDRADX_BUILD_BRANCH=v20.1.1
 
 KUSAMA_MAINNET_BRANCH=release-v1.0.0
 STATEMINE_BUILD_BRANCH=release-parachains-v9430

--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -10,5 +10,5 @@
 		"SKIP_WASM_BUILD": "1"
 	},
 	"rust-analyzer.cargo.features": ["runtime-benchmarks", "try-runtime"],
-	"solidity.packageDefaultDependenciesDirectory": "tests/node_modules"
+	"solidity.packageDefaultDependenciesDirectory": "js-packages/node_modules"
 }

--- a/js-packages/.vscode/settings.json
+++ b/js-packages/.vscode/settings.json
@@ -3,7 +3,7 @@
 		"RUN_GOV_TESTS": "1",
 		"RUN_XCM_TESTS": "1"
 	},
-	"mochaExplorer.files": "src/**/*.test.ts",
+	"mochaExplorer.files": "tests/**/*.test.ts",
 	"mochaExplorer.require": "ts-node/register",
 	"eslint.format.enable": true,
 	"[javascript]": {

--- a/js-packages/playgrounds/unique.dev.ts
+++ b/js-packages/playgrounds/unique.dev.ts
@@ -17,7 +17,7 @@
 import type {FrameSystemEventRecord, StagingXcmV2TraitsError, StagingXcmV3TraitsOutcome} from '@polkadot/types/lookup';
 import type {SignerOptions, VoidFn} from '@polkadot/api/types';
 import {spawnSync} from 'child_process';
-import {AcalaHelper, AstarHelper, MoonbeamHelper, PolkadexHelper, RelayHelper, WestmintHelper, ForeignAssetsGroup, XcmGroup, XTokensGroup, TokensGroup} from './unique.xcm.js';
+import {AcalaHelper, AstarHelper, MoonbeamHelper, PolkadexHelper, RelayHelper, WestmintHelper, ForeignAssetsGroup, XcmGroup, XTokensGroup, TokensGroup, HydraDxHelper} from './unique.xcm.js';
 import {CollectiveGroup, CollectiveMembershipGroup, DemocracyGroup, RankedCollectiveGroup, ReferendaGroup} from './unique.governance.js';
 import type {ICollectiveGroup, IFellowshipGroup} from './unique.governance.js';
 
@@ -667,6 +667,20 @@
   }
 }
 
+export class DevHydraDxHelper extends HydraDxHelper {
+  wait: WaitGroup;
+  fastDemocracy: HydraFastDemocracyGroup;
+
+  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {
+    options.helperBase = options.helperBase ?? DevHydraDxHelper;
+
+    super(logger, options);
+
+    this.wait = new WaitGroup(this);
+    this.fastDemocracy = new HydraFastDemocracyGroup(this);
+  }
+}
+
 export class DevKaruraHelper extends DevAcalaHelper {}
 
 export class ArrangeGroup {
@@ -1150,6 +1164,105 @@
   }
 }
 
+class HydraFastDemocracyGroup {
+  helper: DevHydraDxHelper;
+
+  constructor(helper: DevHydraDxHelper) {
+    this.helper = helper;
+  }
+
+  async executeProposal(proposalDesciption: string, encodedProposal: string) {
+    const proposalHash = blake2AsHex(encodedProposal);
+    const aliceAccount = this.helper.util.fromSeed('//Alice');
+    const bobAccount = this.helper.util.fromSeed('//Bob');
+    const eveAccount = this.helper.util.fromSeed('//Eve');
+
+    const councilVotingThreshold = 1;
+    const technicalCommitteeThreshold = 3;
+    const fastTrackVotingPeriod = 3;
+    const fastTrackDelayPeriod = 0;
+
+    console.log(`[democracy] executing '${proposalDesciption}' proposal`);
+
+    // >>> Propose external motion through council >>>
+    console.log('\t* Propose external motion through council.......');
+    const externalMotion = this.helper.democracy.externalProposeMajority({Inline: encodedProposal});
+    const encodedMotion = externalMotion?.method.toHex() || '';
+    const motionHash = blake2AsHex(encodedMotion);
+    console.log('\t* Motion hash is %s', motionHash);
+
+    await this.helper.collective.council.propose(
+      aliceAccount,
+      councilVotingThreshold,
+      externalMotion,
+      externalMotion.encodedLength,
+    );
+
+    // const councilProposalIdx = await this.helper.collective.council.proposalCount() - 1;
+    // await this.helper.collective.council.vote(aliceAccount, motionHash, councilProposalIdx, true);
+
+
+    // await this.helper.collective.council.close(
+    //   aliceAccount,
+    //   motionHash,
+    //   councilProposalIdx,
+    //   {
+    //     refTime: 1_000_000_000,
+    //     proofSize: 1_000_000,
+    //   },
+    //   externalMotion.encodedLength,
+    // );
+    console.log('\t* Propose external motion through council.......DONE');
+    // <<< Propose external motion through council <<<
+
+    // >>> Fast track proposal through technical committee >>>
+    console.log('\t* Fast track proposal through technical committee.......');
+    const fastTrack = this.helper.democracy.fastTrack(proposalHash, fastTrackVotingPeriod, fastTrackDelayPeriod);
+    const encodedFastTrack = fastTrack?.method.toHex() || '';
+    const fastTrackHash = blake2AsHex(encodedFastTrack);
+    console.log('\t* FastTrack hash is %s', fastTrackHash);
+
+    await this.helper.collective.techCommittee.propose(aliceAccount, technicalCommitteeThreshold, fastTrack, fastTrack.encodedLength);
+
+    const techProposalIdx = await this.helper.collective.techCommittee.proposalCount() - 1;
+    await this.helper.collective.techCommittee.vote(aliceAccount, fastTrackHash, techProposalIdx, true);
+    await this.helper.collective.techCommittee.vote(bobAccount, fastTrackHash, techProposalIdx, true);
+    await this.helper.collective.techCommittee.vote(eveAccount, fastTrackHash, techProposalIdx, true);
+
+    await this.helper.collective.techCommittee.close(
+      bobAccount,
+      fastTrackHash,
+      techProposalIdx,
+      {
+        refTime: 1_000_000_000,
+        proofSize: 1_000_000,
+      },
+      fastTrack.encodedLength,
+    );
+    console.log('\t* Fast track proposal through technical committee.......DONE');
+    // <<< Fast track proposal through technical committee <<<
+
+    const democracyStarted = await this.helper.wait.expectEvent(3, Event.Democracy.Started);
+    const referendumIndex = democracyStarted.referendumIndex;
+
+    // >>> Referendum voting >>>
+    console.log(`\t* Referendum #${referendumIndex} voting.......`);
+    await this.helper.democracy.referendumVote(eveAccount, referendumIndex, {
+      balance: 10_000_000_000_000_000_000n,
+      vote: {aye: true, conviction: 1},
+    });
+    console.log(`\t* Referendum #${referendumIndex} voting.......DONE`);
+    // <<< Referendum voting <<<
+
+    // Wait the proposal to pass
+    await this.helper.wait.expectEvent(3, Event.Democracy.Passed, event => event.referendumIndex == referendumIndex);
+
+    await this.helper.wait.newBlocks(1);
+
+    console.log(`[democracy] executing '${proposalDesciption}' proposal.......DONE`);
+  }
+}
+
 class WaitGroup {
   helper: ChainHelperBase;
 

--- a/js-packages/playgrounds/unique.xcm.ts
+++ b/js-packages/playgrounds/unique.xcm.ts
@@ -71,6 +71,31 @@
   }
 }
 
+class DemocracyGroup<T extends ChainHelperBase> extends HelperGroup<T> {
+  notePreimagePallet: string;
+
+  constructor(helper: T, options: { [key: string]: any } = {}) {
+    super(helper);
+    this.notePreimagePallet = options.notePreimagePallet;
+  }
+
+  async notePreimage(signer: TSigner, encodedProposal: string) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.notePreimagePallet}.notePreimage`, [encodedProposal], true);
+  }
+
+  externalProposeMajority(proposal: any) {
+    return this.helper.constructApiCall('api.tx.democracy.externalProposeMajority', [proposal]);
+  }
+
+  fastTrack(proposalHash: string, votingPeriod: number, delayPeriod: number) {
+    return this.helper.constructApiCall('api.tx.democracy.fastTrack', [proposalHash, votingPeriod, delayPeriod]);
+  }
+
+  async referendumVote(signer: TSigner, referendumIndex: number, accountVote: DemocracyStandardAccountVote) {
+    await this.helper.executeExtrinsic(signer, 'api.tx.democracy.vote', [referendumIndex, {Standard: accountVote}], true);
+  }
+}
+
 class MoonbeamCollectiveGroup extends HelperGroup<MoonbeamHelper> {
   collective: string;
 
@@ -97,6 +122,31 @@
   }
 }
 
+class CollectiveGroup<T extends ChainHelperBase> extends HelperGroup<T> {
+  collective: string;
+
+  constructor(helper: T, palletName: string) {
+    super(helper);
+
+    this.collective = palletName;
+  }
+
+  async propose(signer: TSigner, threshold: number, proposalHash: string, lengthBound: number) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.collective}.propose`, [threshold, proposalHash, lengthBound], true);
+  }
+
+  async vote(signer: TSigner, proposalHash: string, proposalIndex: number, approve: boolean) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.collective}.vote`, [proposalHash, proposalIndex, approve], true);
+  }
+
+  async close(signer: TSigner, proposalHash: string, proposalIndex: number, weightBound: any, lengthBound: number) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.collective}.close`, [proposalHash, proposalIndex, weightBound, lengthBound], true);
+  }
+
+  async proposalCount() {
+    return Number(await this.helper.callRpc(`api.query.${this.collective}.proposalCount`, []));
+  }
+}
 class PolkadexXcmHelperGroup<T extends ChainHelperBase> extends HelperGroup<T> {
   async whitelistToken(signer: TSigner, assetId: any) {
     await this.helper.executeExtrinsic(signer, 'api.tx.xcmHelper.whitelistToken', [assetId], true);
@@ -372,3 +422,28 @@
   }
 }
 
+export class HydraDxHelper extends XcmChainHelper {
+  balance: SubstrateBalanceGroup<HydraDxHelper>;
+  xcm: XcmGroup<HydraDxHelper>;
+  xTokens: XTokensGroup<HydraDxHelper>;
+  democracy: DemocracyGroup<HydraDxHelper>;
+  collective: {
+    council: CollectiveGroup<HydraDxHelper>,
+    techCommittee: CollectiveGroup<HydraDxHelper>,
+  };
+
+  constructor(logger?: ILogger, options: { [key: string]: any } = {}) {
+    super(logger, options.helperBase ?? HydraDxHelper);
+    options.notePreimagePallet = options.notePreimagePallet ?? 'preimage';
+
+    this.balance = new SubstrateBalanceGroup(this);
+    this.xcm = new XcmGroup(this, 'polkadotXcm');
+    this.xTokens = new XTokensGroup(this);
+    this.democracy = new DemocracyGroup(this, options);
+    this.collective = {
+      council: new CollectiveGroup(this, 'council'),
+      techCommittee: new CollectiveGroup(this, 'technicalCommittee'),
+    };
+  }
+}
+

--- a/js-packages/tests/config.ts
+++ b/js-packages/tests/config.ts
@@ -29,6 +29,7 @@
   statemineUrl: process.env.RELAY_STATEMINE_URL || 'ws://127.0.0.1:9948',
   statemintUrl: process.env.RELAY_STATEMINT_URL || 'ws://127.0.0.1:9948',
   polkadexUrl: process.env.RELAY_POLKADEX_URL || 'ws://127.0.0.1:9950',
+  hydraDxUrl: process.env.RELAY_HYDRADX_URL || 'ws://127.0.0.1:9951',
 };
 
 export default config;

--- a/js-packages/tests/util/createHrmp.ts
+++ b/js-packages/tests/util/createHrmp.ts
@@ -27,6 +27,7 @@
       await bidirOpen(1001, 1004);
       await bidirOpen(1001, 1005);
       await bidirOpen(1001, 1006);
+      await bidirOpen(1001, 1007);
       break;
     default:
       throw new Error(`unknown hrmp config profile: ${profile}`);

--- a/js-packages/tests/util/index.ts
+++ b/js-packages/tests/util/index.ts
@@ -11,7 +11,7 @@
 import config from '../config.js';
 import {ChainHelperBase} from '@unique/playgrounds/unique.js';
 import type {ILogger} from '@unique/playgrounds/types.js';
-import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper, DevStatemineHelper, DevStatemintHelper, DevAstarHelper, DevShidenHelper, DevPolkadexHelper} from '@unique/playgrounds/unique.dev.js';
+import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper, DevStatemineHelper, DevStatemintHelper, DevAstarHelper, DevShidenHelper, DevPolkadexHelper, DevHydraDxHelper} from '@unique/playgrounds/unique.dev.js';
 import {dirname} from 'path';
 import {fileURLToPath} from 'url';
 
@@ -91,6 +91,8 @@
 
 export const usingPolkadexPlaygrounds = (url: string, code: (helper: DevPolkadexHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => usingPlaygroundsGeneral<DevPolkadexHelper>(DevPolkadexHelper, url, code);
 
+export const usingHydraDxPlaygrounds = (url: string, code: (helper: DevHydraDxHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => usingPlaygroundsGeneral<DevHydraDxHelper>(DevHydraDxHelper, url, code);
+
 export const MINIMUM_DONOR_FUND = 4_000_000n;
 export const DONOR_FUNDING = 4_000_000n;
 

--- a/js-packages/tests/xcm/lowLevelXcmUnique.test.ts
+++ b/js-packages/tests/xcm/lowLevelXcmUnique.test.ts
@@ -16,10 +16,10 @@
 
 import type {IKeyringPair} from '@polkadot/types/types';
 import config from '../config.js';
-import {itSub, describeXCM, usingPlaygrounds, usingAcalaPlaygrounds, usingMoonbeamPlaygrounds, usingAstarPlaygrounds, usingPolkadexPlaygrounds, usingRelayPlaygrounds} from '../util/index.js';
+import {itSub, describeXCM, usingPlaygrounds, usingAcalaPlaygrounds, usingMoonbeamPlaygrounds, usingAstarPlaygrounds, usingPolkadexPlaygrounds, usingHydraDxPlaygrounds} from '../util/index.js';
 import {nToBigInt} from '@polkadot/util';
 import {hexToString} from '@polkadot/util';
-import {ASTAR_DECIMALS, SAFE_XCM_VERSION, SENDER_BUDGET, UNIQUE_CHAIN, UNQ_DECIMALS, XcmTestHelper, acalaUrl, astarUrl,  moonbeamUrl, polkadexUrl, relayUrl, uniqueAssetId} from './xcm.types.js';
+import {ASTAR_DECIMALS, SAFE_XCM_VERSION, SENDER_BUDGET, UNIQUE_CHAIN, UNQ_DECIMALS, XcmTestHelper, acalaUrl, astarUrl,  hydraDxUrl,  moonbeamUrl, polkadexUrl, uniqueAssetId} from './xcm.types.js';
 
 const testHelper = new XcmTestHelper('unique');
 
@@ -364,3 +364,40 @@
     await testHelper.rejectReserveTransferUNQfrom('astar', alice);
   });
 });
+
+describeXCM('[XCMLL] Integration test: Exchanging tokens with HydraDx', () => {
+  let alice: IKeyringPair;
+  let randomAccount: IKeyringPair;
+
+  before(async () => {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      alice = await privateKey('//Alice');
+      console.log(config.acalaUrl);
+      randomAccount = helper.arrange.createEmptyAccount();
+
+      // Set the default version to wrap the first message to other chains.
+      await helper.getSudo().xcm.setSafeXcmVersion(alice, SAFE_XCM_VERSION);
+      await helper.balance.transferToSubstrate(alice, randomAccount.address, SENDER_BUDGET);
+    });
+
+    await usingHydraDxPlaygrounds(hydraDxUrl, async (helper) => {
+      await helper.balance.transferToSubstrate(alice, randomAccount.address, 10000000000000n);
+    });
+  });
+
+  itSub('Should connect and send UNQ to HydraDx', async () => {
+    await testHelper.sendUnqTo('hydraDx', randomAccount);
+  });
+
+  itSub('Should connect to HydraDx and send UNQ back', async () => {
+    await testHelper.sendUnqBack('hydraDx', alice, randomAccount);
+  });
+
+  itSub('HydraDx can send only up to its balance', async () => {
+    await testHelper.sendOnlyOwnedBalance('hydraDx', alice);
+  });
+
+  itSub('Should not accept reserve transfer of UNQ from HydraDx', async () => {
+    await testHelper.rejectReserveTransferUNQfrom('hydraDx', alice);
+  });
+});
\ No newline at end of file