git.delta.rocks / unique-network / refs/commits / 1813dc305c53

difftreelog

test rmrk pallet tests

Daniel Shiposha2022-07-04parent: #c52da04.patch.diff
in: master

25 files changed

addedtests/src/rmrk/acceptNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/acceptNft.test.ts
@@ -0,0 +1,103 @@
+import { expect } from "chai";
+import { getApiConnection } from "../substrate/substrate-api";
+import {
+    createCollection,
+    mintNft,
+    sendNft,
+    acceptNft
+} from "./util/tx";
+import { NftIdTuple } from "./util/fetch";
+import { isNftChildOfAnother, expectTxFailure } from "./util/helpers";
+
+describe("integration test: accept NFT", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = "//Alice";
+    const bob = "//Bob";
+
+    const createTestCollection = async (issuerUri: string) => {
+        return await createCollection(
+            api,
+            issuerUri,
+            "accept-metadata",
+            null,
+            "acpt"
+        );
+    }
+
+    it("accept NFT", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        await sendNft(api, "pending", ownerBob, bobCollectionId, childNftId, newOwnerNFT);
+        await acceptNft(api, alice, bobCollectionId, childNftId, newOwnerNFT);
+
+        const isChild = await isNftChildOfAnother(api, bobCollectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.true;
+    });
+
+    it("[negative] unable to accept NFT by a not-an-owner", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        await sendNft(api, "pending", ownerBob, bobCollectionId, childNftId, newOwnerNFT);
+        const tx = acceptNft(api, bob, bobCollectionId, childNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it("[negative] unable to accept non-existing NFT", async () => {
+        const collectionId = 0;
+        const maxNftId = 0xFFFFFFFF;
+
+        const owner = alice;
+        const aliceCollectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, owner, aliceCollectionId, "parent-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        const tx = acceptNft(api, alice, collectionId, maxNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+
+    it("[negative] unable to accept NFT which is not sent", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        const tx = acceptNft(api, alice, bobCollectionId, childNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+
+        const isChild = await isNftChildOfAnother(api, bobCollectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.false;
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/addResource.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/addResource.test.ts
@@ -0,0 +1,436 @@
+import { expect } from "chai";
+import { getApiConnection } from "../substrate/substrate-api";
+import { NftIdTuple } from "./util/fetch";
+import { expectTxFailure, getResourceById } from "./util/helpers";
+import {
+  addNftBasicResource,
+  acceptNftResource,
+  createCollection,
+  mintNft,
+  sendNft,
+  addNftSlotResource,
+  addNftComposableResource,
+} from "./util/tx";
+import {RmrkTraitsResourceResourceInfo as ResourceInfo} from "@polkadot/types/lookup";
+
+describe("integration test: add NFT resource", () => {
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+  const src = "test-res-src";
+  const metadata = "test-res-metadata";
+  const license = "test-res-license";
+  const thumb = "test-res-thumb";
+
+  const nonexistentId = 99999;
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("add resource", async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionIdAlice,
+      "nft-metadata"
+    );
+
+    await addNftBasicResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+  });
+
+  it('add a resource to the nested NFT', async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const parentNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "parent-nft-metadata");
+    const childNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "child-nft-metadata");
+
+    const newOwnerNFT: NftIdTuple = [collectionIdAlice, parentNftId];
+
+    await sendNft(api, "sent", Alice, collectionIdAlice, childNftId, newOwnerNFT);
+
+    await addNftBasicResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      childNftId,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+  });
+
+  it('add multiple resources', async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionIdAlice,
+      "nft-metadata"
+    );
+
+    const baseId = 42;
+    const slotId = 10;
+    const parts = [0, 5, 2];
+
+    let resourcesInfo = [];
+    const resourceNum = 4;
+
+    const checkResource = async (resource: ResourceInfo, resType: string, expectedId: number, expected: {
+      src: string,
+      metadata: string,
+      license: string,
+      thumb: string
+    }) => {
+
+      // FIXME A workaround. It seems it is a PolkadotJS bug.
+      // All of the following are `false`.
+      //
+      // console.log('>>> basic:', resource.resource.isBasic);
+      // console.log('>>> composable:', resource.resource.isComposable);
+      // console.log('>>> slot:', resource.resource.isSlot);
+      const resourceJson = (resource.resource.toHuman() as any)[resType];
+
+      expect(resource.id.toNumber(), 'Error: Invalid resource Id')
+        .to.be.eq(expectedId);
+
+      expect(resourceJson.src, 'Error: Invalid resource src')
+        .to.be.eq(expected.src);
+      expect(resourceJson.metadata, 'Error: Invalid resource metadata')
+        .to.be.eq(expected.metadata);
+      expect(resourceJson.license, 'Error: Invalid resource license')
+        .to.be.eq(expected.license);
+      expect(resourceJson.thumb, 'Error: Invalid resource thumb')
+        .to.be.eq(expected.thumb);
+    };
+
+    for (let i = 0; i < resourceNum; i++) {
+      resourcesInfo.push({
+        src: src + 'r-' + i,
+        metadata: metadata + 'r-' + i,
+        license: license + 'r-' + i,
+        thumb: thumb + 'r-' + i
+      });
+    }
+
+    const firstBasicResourceId = await addNftBasicResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      resourcesInfo[0].src,
+      resourcesInfo[0].metadata,
+      resourcesInfo[0].license,
+      resourcesInfo[0].thumb
+    );
+
+    const secondBasicResourceId = await addNftBasicResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      resourcesInfo[1].src,
+      resourcesInfo[1].metadata,
+      resourcesInfo[1].license,
+      resourcesInfo[1].thumb
+    );
+
+    const composableResourceId = await addNftComposableResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      parts,
+      baseId,
+      resourcesInfo[2].src,
+      resourcesInfo[2].metadata,
+      resourcesInfo[2].license,
+      resourcesInfo[2].thumb,
+    );
+
+    const slotResourceId = await addNftSlotResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      baseId,
+      slotId,
+      resourcesInfo[3].src,
+      resourcesInfo[3].metadata,
+      resourcesInfo[3].license,
+      resourcesInfo[3].thumb
+    );
+
+    const firstResource = await getResourceById(api, collectionIdAlice, nftAlice, firstBasicResourceId);
+    await checkResource(firstResource, 'Basic', firstBasicResourceId, resourcesInfo[0]);
+
+    const secondResource = await getResourceById(api, collectionIdAlice, nftAlice, secondBasicResourceId);
+    await checkResource(secondResource, 'Basic', secondBasicResourceId, resourcesInfo[1]);
+
+    const composableResource = await getResourceById(api, collectionIdAlice, nftAlice, composableResourceId);
+    await checkResource(composableResource, 'Composable', composableResourceId, resourcesInfo[2]);
+
+    const slotResource = await getResourceById(api, collectionIdAlice, nftAlice, slotResourceId);
+    await checkResource(slotResource, 'Slot', slotResourceId, resourcesInfo[3]);
+  });
+
+  it('[negative]: unable to add a resource to the non-existing NFT', async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const tx = addNftBasicResource(
+      api,
+      Alice,
+      "added",
+      collectionIdAlice,
+      nonexistentId,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+  
+    await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+  });
+
+  it('[negative]: unable to add a resource by a not-an-owner user', async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionIdAlice,
+      "nft-metadata"
+    );
+
+    const tx = addNftBasicResource(
+      api,
+      Bob,
+      "added",
+      collectionIdAlice,
+      nftAlice,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+  
+    await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+  });
+
+  it('[negative]: unable to add a resource to the nested NFT if it isnt root owned by the caller', async () => {
+    const collectionIdAlice = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const parentNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "parent-nft-metadata");
+    const childNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "child-nft-metadata");
+
+    const newOwnerNFT: NftIdTuple = [collectionIdAlice, parentNftId];
+
+    await sendNft(api, "sent", Alice, collectionIdAlice, childNftId, newOwnerNFT);
+
+    const tx = addNftBasicResource(
+      api,
+      Bob,
+      "added",
+      collectionIdAlice,
+      childNftId,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+    
+    await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+  });
+
+  it("accept resource", async () => {
+    const collectionIdBob = await createCollection(
+      api,
+      Bob,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+        api,
+        Bob,
+        Alice,
+        collectionIdBob,
+        "nft-metadata"
+    );
+
+    const resourceId = await addNftBasicResource(
+      api,
+      Bob,
+      "pending",
+      collectionIdBob,
+      nftAlice,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+
+    await acceptNftResource(api, Alice, collectionIdBob, nftAlice, resourceId);
+  });
+
+  it("[negative]: unable to accept a non-existing resource", async () => {
+    const collectionIdBob = await createCollection(
+      api,
+      Bob,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+        api,
+        Bob,
+        Alice,
+        collectionIdBob,
+        "nft-metadata"
+    );
+
+    const tx = acceptNftResource(api, Alice, collectionIdBob, nftAlice, nonexistentId);
+    await expectTxFailure(/rmrkCore\.ResourceDoesntExist/, tx);
+  });
+
+  it("[negative]: unable to accept a resource by a not-an-NFT-owner user", async () => {
+    const collectionIdBob = await createCollection(
+      api,
+      Bob,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+        api,
+        Bob,
+        Alice,
+        collectionIdBob,
+        "nft-metadata"
+    );
+
+    const resourceId = await addNftBasicResource(
+      api,
+      Bob,
+      "pending",
+      collectionIdBob,
+      nftAlice,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+
+    const tx = acceptNftResource(api, Bob, collectionIdBob, nftAlice, resourceId);
+
+    await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+  });
+
+  it("[negative]: unable to accept a resource to a non-target NFT", async () => {
+    const collectionIdBob = await createCollection(
+      api,
+      Bob,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const nftAlice = await mintNft(
+        api,
+        Bob,
+        Alice,
+        collectionIdBob,
+        "nft-metadata"
+    );
+
+    const wrongNft = await mintNft(
+        api,
+        Bob,
+        Alice,
+        collectionIdBob,
+        "nft-metadata"
+    );
+    
+    const resourceId = await addNftBasicResource(
+      api,
+      Bob,
+      "pending",
+      collectionIdBob,
+      nftAlice,
+      src,
+      metadata,
+      license,
+      thumb
+    );
+
+    const tx = acceptNftResource(api, Bob, collectionIdBob, wrongNft, resourceId);
+
+    await expectTxFailure(/rmrkCore\.ResourceDoesntExist/, tx);
+  });
+
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/addTheme.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/addTheme.test.ts
@@ -0,0 +1,128 @@
+import { expect } from 'chai';
+import { getApiConnection } from '../substrate/substrate-api';
+import { createBase, addTheme } from "./util/tx";
+import { expectTxFailure } from './util/helpers';
+import { getThemeNames } from './util/fetch';
+
+describe("integration test: add Theme to Base", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = "//Alice";
+    const bob = "//Bob";
+
+    it("add default theme", async () => {
+        const baseId = await createBase(api, alice, "default-themed-base", "DTBase", []);
+        await addTheme(api, alice, baseId, {
+            name: "default",
+            properties: [
+                {
+                    key: "some-key",
+                    value: "some-key-value"
+                },
+                {
+                    key: "another-key",
+                    value: "another-key-value"
+                }
+            ]
+        });
+    });
+
+    it("add default theme and a custom one", async () => {
+        const baseId = await createBase(api, alice, "2-themed-base", "2TBase", []);
+        await addTheme(api, alice, baseId, {
+            name: "default",
+            properties: [
+                {
+                    key: "default-key",
+                    value: "default-key-value"
+                }
+            ]
+        });
+        await addTheme(api, alice, baseId, {
+            name: "custom-theme",
+            properties: [
+                {
+                    key: "custom-key-0",
+                    value: "custom-key-value-0"
+                },
+                {
+                    key: "custom-key-1",
+                    value: "custom-key-value-1"
+                }
+            ]
+        })
+    });
+
+    it("fetch filtered theme keys", async () => {
+        const baseId = await createBase(api, alice, "2-themed-base", "2TBase", []);
+        await addTheme(api, alice, baseId, {
+            name: "default",
+            properties: [
+                {
+                    key: "first-key",
+                    value: "first-key-value"
+                },
+                {
+                    key: "second-key",
+                    value: "second-key-value"
+                }
+            ]
+        }, ["second-key"]);
+    });
+
+    it("fetch theme names", async() => {
+        const baseId = await createBase(api, alice, "3-themed-base", "3TBase", []);
+        const names = [
+            "default",
+            "first-theme",
+            "second-theme"
+        ];
+
+        for (var i = 0; i < names.length; i++) {
+            await addTheme(api, alice, baseId, { name: names[i], properties: [{ key: 'dummy', value: 'dummy' }] });
+        }
+
+        const fetchedNames = await getThemeNames(api, baseId);
+
+        for (var i = 0; i < names.length; i++) {
+            const isFound = fetchedNames.find(
+                (name) => name === names[i]
+            ) !== undefined;
+
+            expect(isFound, "Error: invalid theme names").to.be.true;
+        }
+    });
+
+    it("[negative] unable to add theme to non-existing base", async () => {
+        const maxBaseId = 0xFFFFFFFF;
+        const tx = addTheme(api, alice, maxBaseId, {
+            name: "default",
+            properties: []
+        });
+
+        await expectTxFailure(/rmrkEquip\.BaseDoesntExist/, tx);
+    });
+
+    it("[negative] unable to add custom theme if no default theme", async () => {
+        const baseId = await createBase(api, alice, "no-default-themed-base", "NDTBase", []);
+        const tx = addTheme(api, alice, baseId, {
+            name: "custom-theme",
+            properties: []
+        });
+
+        await expectTxFailure(/rmrkEquip\.NeedsDefaultThemeFirst/, tx);
+    });
+
+    it("[negative] unable to add theme by a not-an-owner", async () => {
+        const baseId = await createBase(api, alice, "no-default-themed-base", "NDTBase", []);
+        const tx = addTheme(api, bob, baseId, {
+            name: "default",
+            properties: []
+        });
+
+        await expectTxFailure(/rmrkEquip\.PermissionError/, tx);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/burnNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/burnNft.test.ts
@@ -0,0 +1,170 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { expectTxFailure } from "./util/helpers";
+import { NftIdTuple, getChildren } from './util/fetch';
+import { burnNft, createCollection, sendNft, mintNft } from "./util/tx";
+
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+describe("integration test: burn nft", () => {
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("burn nft", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      const nftId = await mintNft(
+        api,
+        Alice,
+        Alice,
+        collectionId,
+        "nft-metadata"
+      );
+      await burnNft(api, Alice, collectionId, nftId);
+    });
+  });
+
+  it("burn nft with children", async () => {
+    const collectionId = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const parentNftId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const childNftId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+    await sendNft(api, "sent", Alice, collectionId, childNftId, newOwnerNFT);
+
+    const childrenBefore = await getChildren(api, collectionId, parentNftId);
+    expect(childrenBefore.length === 1, 'Error: parent NFT should have children')
+      .to.be.true;
+
+    let child = childrenBefore[0];
+    expect(child.collectionId.eq(collectionId), 'Error: invalid child collection Id')
+      .to.be.true;
+
+    expect(child.nftId.eq(childNftId), 'Error: invalid child NFT Id')
+      .to.be.true;
+
+    await burnNft(api, Alice, collectionId, parentNftId);
+
+    const childrenAfter = await getChildren(api, collectionId, parentNftId);
+
+    expect(childrenAfter.length === 0, 'Error: children should be burned').to.be.true;
+  });
+
+  it("burn child nft", async () => {
+    const collectionId = await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    );
+
+    const parentNftId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const childNftId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+    await sendNft(api, "sent", Alice, collectionId, childNftId, newOwnerNFT);
+
+    const childrenBefore = await getChildren(api, collectionId, parentNftId);
+    expect(childrenBefore.length === 1, 'Error: parent NFT should have children')
+      .to.be.true;
+
+    let child = childrenBefore[0];
+    expect(child.collectionId.eq(collectionId), 'Error: invalid child collection Id')
+      .to.be.true;
+
+    expect(child.nftId.eq(childNftId), 'Error: invalid child NFT Id')
+      .to.be.true;
+
+    await burnNft(api, Alice, collectionId, childNftId);
+
+    const childrenAfter = await getChildren(api, collectionId, parentNftId);
+
+    expect(childrenAfter.length === 0, 'Error: children should be burned').to.be.true;
+  });
+
+  it("[negative] burn non-existing NFT", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      const tx = burnNft(api, Alice, collectionId, 99999);
+      await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+  });
+
+  it("[negative] burn not an owner NFT user", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      const nftId = await mintNft(
+        api,
+        Alice,
+        Alice,
+        collectionId,
+        "nft-metadata"
+      );
+      const tx = burnNft(api, Bob, collectionId, nftId);
+      await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/changeCollectionIssuer.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/changeCollectionIssuer.test.ts
@@ -0,0 +1,54 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { expectTxFailure } from "./util/helpers";
+import {
+  changeIssuer,
+  createCollection,
+} from "./util/tx";
+
+describe("integration test: collection issuer", () => {
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("change collection issuer", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      await changeIssuer(api, Alice, collectionId, Bob);
+    });
+  });
+
+  it("[negative] change not an owner NFT collection issuer", async () => {
+    await createCollection(api, Bob, "test-metadata", null, "test-symbol").then(
+      async (collectionId) => {
+        const tx = changeIssuer(api, Alice, collectionId, Bob);
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+      }
+    );
+  });
+
+  it("[negative] change non-existigit NFT collection issuer", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async () => {
+      const tx = changeIssuer(api, Alice, 99999, Bob);
+      await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx);
+    });
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/createBase.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/createBase.test.ts
@@ -0,0 +1,84 @@
+import { getApiConnection } from '../substrate/substrate-api';
+import { createCollection, createBase } from "./util/tx";
+
+describe("integration test: create new Base", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+
+    it("create empty Base", async () => {
+        await createBase(api, alice, 'empty-base-type', 'EBase', []);
+    });
+
+    it("create Base with fixed part", async () => {
+        await createBase(api, alice, 'fixedpart-base-type', 'FPBase', [
+            {
+                "FixedPart": {
+                    id: 42,
+                    z: 0,
+                    src: "some-fixed-url"
+                }
+            }
+        ]);
+    });
+
+    it("create Base with slot part (no collection)", async () => {
+        await createBase(api, alice, 'slotpart-base-type', 'SPBase', [
+            {
+                "SlotPart": {
+                    id: 112,
+                    equippable: "Empty",
+                    z: 0,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+    });
+
+    it("create Base with slot part (any collection)", async () => {
+        await createBase(api, alice, 'slotpartany-base-type', 'SPABase', [
+            {
+                "SlotPart": {
+                    id: 222,
+                    equippable: "All",
+                    z: 1,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+    });
+
+    it("create Base with slot part (custom collections)", async () => {
+        const firstCollectionId = await createCollection(
+            api,
+            alice,
+            "first-collection-meta",
+            null,
+            "first-collection"
+        );
+
+        const secondCollectionId = await createCollection(
+            api,
+            alice,
+            "first-collection-meta",
+            null,
+            "first-collection"
+        );
+
+        await createBase(api, alice, "slotpartcustom-base-type", "SPCBase", [
+            {
+                "SlotPart": {
+                    id: 1024,
+                    equippable: {
+                        "Custom": [firstCollectionId, secondCollectionId]
+                    },
+                    z: 2,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/createCollection.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/createCollection.test.ts
@@ -0,0 +1,19 @@
+import { getApiConnection } from '../substrate/substrate-api';
+import { createCollection } from './util/tx';
+
+describe('Integration test: create new collection', () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+
+    it('create NFT collection', async () => {
+        await createCollection(api, alice, 'test-metadata', 42, 'test-symbol');
+    });
+
+    it('create NFT collection without token limit', async () => {
+        await createCollection(api, alice, 'no-limit-metadata', null, 'no-limit-symbol');
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/deleteCollection.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/deleteCollection.test.ts
@@ -0,0 +1,47 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { expectTxFailure } from "./util/helpers";
+import { createCollection, deleteCollection } from "./util/tx";
+
+describe("integration test: delete collection", () => {
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+
+  it("delete NFT collection", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      await deleteCollection(api, Alice, collectionId.toString());
+    });
+  });
+
+  it("[negative] delete non-existing NFT collection", async () => {
+    const tx = deleteCollection(api, Alice, "99999");
+    await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx);
+  });
+
+  it("[negative] delete not an owner NFT collection", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      const tx = deleteCollection(api, Bob, collectionId.toString());
+      await expectTxFailure(/uniques.NoPermission/, tx);
+    });
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/equipNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/equipNft.test.ts
@@ -0,0 +1,340 @@
+import { ApiPromise } from "@polkadot/api";
+import { expect } from "chai";
+import { getApiConnection } from "../substrate/substrate-api";
+import { getNft, getParts, NftIdTuple } from "./util/fetch";
+import { expectTxFailure } from "./util/helpers";
+import {
+  addNftComposableResource,
+  addNftSlotResource,
+  createBase,
+  createCollection,
+  equipNft,
+  mintNft,
+  sendNft,
+  unequipNft
+} from "./util/tx";
+
+const Alice = "//Alice";
+const Bob = "//Bob";
+
+const composableParts: number[] = [5, 2, 7];
+const composableSrc = 'test-cmp-src';
+const composableMetadata = 'test-cmp-metadata';
+const composableLicense = 'test-comp-license';
+const composableThumb = 'test-comp-thumb';
+
+const slotSrc = 'test-slot-src';
+const slotLicense = 'test-slot-license';
+const slotMetadata = 'test-slot-metadata';
+const slotThumb = 'test-slot-thumb';
+
+const slotId = 1;
+
+async function createTestCollection(api: ApiPromise): Promise<number> {
+  return createCollection(
+    api,
+    Alice,
+    "test-metadata",
+    null,
+    "test-symbol"
+  );
+}
+
+async function mintTestNft(api: ApiPromise, collectionId: number): Promise<number> {
+  return await mintNft(
+    api,
+    Alice,
+    Alice,
+    collectionId,
+    "nft-metadata"
+  );
+}
+
+async function mintChildNft(api: ApiPromise, collectionId: number, parentNftId: number): Promise<number> {
+  const nftChildId = await mintTestNft(api, collectionId);
+
+  const parentNFT: NftIdTuple = [collectionId, parentNftId];
+
+  await sendNft(api, "sent", Alice, collectionId, nftChildId, parentNFT);
+
+  return nftChildId;
+}
+
+async function createTestBase(api: ApiPromise): Promise<number> {
+  return createBase(api, Alice, "test-base", "DTBase", [
+    {
+      SlotPart: {
+        id: slotId,
+        equippable: "All",
+        z: 1,
+        src: slotSrc,
+      },
+    },
+  ]);
+}
+
+async function addTestComposable(api: ApiPromise, collectionId: number, nftId: number, baseId: number) {
+  await addNftComposableResource(
+    api,
+    Alice,
+    "added",
+    collectionId,
+    nftId,
+    composableParts,
+    baseId,
+    composableSrc,
+    composableMetadata,
+    composableLicense,
+    composableThumb
+  );
+}
+
+async function addTestSlot(api: ApiPromise, collectionId: number, nftId: number, baseId: number, slotId: number): Promise<number> {
+  return await addNftSlotResource(
+    api,
+    Alice,
+    "added",
+    collectionId,
+    nftId,
+    baseId,
+    slotId,
+    slotSrc,
+    slotMetadata,
+    slotLicense,
+    slotThumb
+  );
+}
+
+async function checkEquipStatus(
+  api: ApiPromise,
+  expectedStatus: "equipped" | "unequipped",
+  collectionId: number,
+  nftId: number
+) {
+  const itemNftDataOpt = await getNft(api, collectionId, nftId);
+  expect(itemNftDataOpt.isSome, 'Error: unable to fetch item NFT data');
+
+  const itemNftData = itemNftDataOpt.unwrap();
+  expect(itemNftData.equipped.isTrue, `Error: item NFT should be ${expectedStatus}`)
+    .to.be.equal(expectedStatus === "equipped");
+}
+
+describe("integration test: Equip NFT", () => {
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("equip nft", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    await equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+
+    await checkEquipStatus(api, "equipped", collectionId, nftChildId);
+  });
+
+  it("unequip nft", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    await equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+
+    await checkEquipStatus(api, "equipped", collectionId, nftChildId);
+
+    await unequipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+    await checkEquipStatus(api, "unequipped", collectionId, nftChildId);
+  });
+
+  it("[negative] equip NFT onto non-existing NFT", async () => {
+    const collectionId = await createTestCollection(api);
+
+    const nftChildId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+    const invalidEquipperNFT: NftIdTuple = [collectionId, 9999999];
+
+    const baseId = 0;
+    const resourceId = 0;
+
+    const tx = equipNft(api, Alice, itemNFT, invalidEquipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+  });
+
+  it("[negative] equip non-existing NFT", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintNft(
+      api,
+      Alice,
+      Alice,
+      collectionId,
+      "nft-metadata"
+    );
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const invalidItemNFT: NftIdTuple = [collectionId, 99999999];
+
+    const resourceId = 0;
+
+    const tx = equipNft(api, Alice, invalidItemNFT, equipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+  });
+
+  it("[negative] equip NFT by a not-an-owner user", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const tx = equipNft(api, Bob, itemNFT, equipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkEquip\.PermissionError/, tx);
+  });
+
+  it("[negative] unable to equip NFT onto indirect parent NFT", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+    const nftGrandchildId = await mintChildNft(api, collectionId, nftChildId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftGrandchildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftGrandchildId];
+
+    const tx = equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkEquip\.MustBeDirectParent/, tx);
+  });
+
+  it("[negative] unable to equip NFT onto parent NFT with another base", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    const invalidBaseId = 99999;
+
+    const tx = equipNft(api, Alice, itemNFT, equipperNFT, resourceId, invalidBaseId, slotId);
+    await expectTxFailure(/rmrkEquip\.NoResourceForThisBaseFoundOnNft/, tx);
+  });
+
+  it("[negative] unable to equip NFT into slot with another id", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createTestBase(api);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    const incorrectSlotId = slotId + 1;
+    const tx = equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, incorrectSlotId);
+    await expectTxFailure(/rmrkEquip\.ItemHasNoResourceToEquipThere/, tx);
+  });
+
+  it("[negative] unable to equip NFT with incorrect slot (fixed part)", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createBase(api, Alice, "test-base", "DTBase", [
+      {
+        FixedPart: {
+          id: slotId,
+          equippable: "All",
+          z: 1,
+          src: slotSrc,
+        },
+      },
+    ]);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    const tx = equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkEquip\.CantEquipFixedPart/, tx);
+  });
+
+  it("[negative] unable to equip NFT from a collection that is not allowed by the slot", async () => {
+    const collectionId = await createTestCollection(api);
+    const nftParentId = await mintTestNft(api, collectionId);
+    const nftChildId = await mintChildNft(api, collectionId, nftParentId);
+
+    const baseId = await createBase(api, Alice, "test-base", "DTBase", [
+      {
+        SlotPart: {
+          id: 1,
+          z: 1,
+          equippable: "Empty",
+          src: slotSrc,
+        },
+      },
+    ]);
+
+    await addTestComposable(api, collectionId, nftParentId, baseId);
+    const resourceId = await addTestSlot(api, collectionId, nftChildId, baseId, slotId);
+
+    const equipperNFT: NftIdTuple = [collectionId, nftParentId];
+    const itemNFT: NftIdTuple = [collectionId, nftChildId];
+
+    const tx = equipNft(api, Alice, itemNFT, equipperNFT, resourceId, baseId, slotId);
+    await expectTxFailure(/rmrkEquip\.CollectionNotEquippable/, tx);
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/getOwnedNfts.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/getOwnedNfts.test.ts
@@ -0,0 +1,74 @@
+import { expect } from 'chai';
+import { getApiConnection } from '../substrate/substrate-api';
+import { getOwnedNfts } from './util/fetch';
+import { mintNft, createCollection } from './util/tx';
+
+describe("integration test: get owned NFTs", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+
+    it("fetch all NFTs owned by a user", async () => {
+        const owner = alice;
+        const collectionMetadata = 'aliceCollectionMetadata';
+        const collectionMax = null;
+        const collectionSymbol = 'AliceSym';
+        const recipientUri = null;
+        const royalty = null;
+        const nftMetadata = 'alice-NFT-metadata';
+
+        let collectionId = await createCollection(
+            api,
+            alice,
+            collectionMetadata,
+            collectionMax,
+            collectionSymbol
+        );
+
+        const nftIds = [
+            await mintNft(
+                api,
+                alice,
+                owner,
+                collectionId,
+                nftMetadata + '-0',
+                recipientUri,
+                royalty
+            ),
+            await mintNft(
+                api,
+                alice,
+                owner,
+                collectionId,
+                nftMetadata + '-1',
+                recipientUri,
+                royalty
+            ),
+            await mintNft(
+                api,
+                alice,
+                owner,
+                collectionId,
+                nftMetadata + '-2',
+                recipientUri,
+                royalty
+            )
+        ];
+
+        const ownedNfts = await getOwnedNfts(api, alice, collectionId);
+
+        const isFound = (nftId: number) => {
+            return ownedNfts.find((ownedNftId) => {
+                return ownedNftId === nftId
+            }) !== undefined;
+        };
+
+        nftIds.forEach((nftId) => {
+            expect(isFound(nftId), `NFT ${nftId} should be owned by ${alice}`)
+                .to.be.true
+        });
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/lockCollection.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/lockCollection.test.ts
@@ -0,0 +1,119 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { expectTxFailure } from "./util/helpers";
+import { createCollection, lockCollection, mintNft } from "./util/tx";
+
+describe("integration test: lock collection", () => {
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+  const Max = 5;
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("lock collection", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      await lockCollection(api, Alice, collectionId);
+    });
+  });
+
+  it("[negative] lock non-existing NFT collection", async () => {
+    const tx = lockCollection(api, Alice, 99999);
+    await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx);
+  });
+
+  it("[negative] lock not an owner NFT collection issuer", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      const tx = lockCollection(api, Bob, collectionId);
+      await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+  });
+
+  it("lock collection with minting", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      Max,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      for (let i = 0; i < 5; i++) {
+        await mintNft(
+          api,
+          Alice,
+          Alice,
+          collectionId,
+          "test-metadata",
+          null,
+          null
+        );
+      }
+      await lockCollection(api, Alice, collectionId, Max);
+    });
+  });
+
+  it("[negative] unable to mint NFT inside a locked collection", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      Max,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      await lockCollection(api, Alice, collectionId);
+      const tx = mintNft(
+        api,
+        Alice,
+        Alice,
+        collectionId,
+        "test-metadata",
+        null,
+        null
+      );
+      await expectTxFailure(/rmrkCore\.CollectionFullOrLocked/, tx);
+    });
+  });
+
+  it("[negative] unable to mint NFT inside a full collection", async () => {
+    await createCollection(api, Alice, "test-metadata", 1, "test-symbol").then(
+      async (collectionId) => {
+        await mintNft(
+          api,
+          Alice,
+          Alice,
+          collectionId,
+          "test-metadata",
+          null,
+          null
+        );
+        const tx = mintNft(
+          api,
+          Alice,
+          Alice,
+          collectionId,
+          "test-metadata",
+          null,
+          null
+        );
+        await expectTxFailure(/rmrkCore\.CollectionFullOrLocked/, tx);
+      }
+    );
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/mintNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/mintNft.test.ts
@@ -0,0 +1,204 @@
+import { expect } from 'chai';
+import { getApiConnection } from '../substrate/substrate-api';
+import { getNft } from './util/fetch';
+import { expectTxFailure } from './util/helpers';
+import { createCollection, mintNft } from './util/tx';
+
+describe("integration test: mint new NFT", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+    const bob = '//Bob';
+    const maxCollectionId = 0xFFFFFFFF;
+    const maxNftId = 0xFFFFFFFF;
+
+    it("mint NFT", async () => {
+        const owner = null;
+        const collectionMetadata = 'mintingCollectionMetadata';
+        const collectionMax = null;
+        const collectionSymbol = 'MCS';
+        const recipientUri = null;
+        const royalty = null;
+        const nftMetadata = 'NFT-test-metadata';
+
+        let collectionId = await createCollection(
+            api,
+            alice,
+            collectionMetadata,
+            collectionMax,
+            collectionSymbol
+        );
+
+        await mintNft(
+            api,
+            alice,
+            owner,
+            collectionId,
+            nftMetadata,
+            recipientUri,
+            royalty
+        );
+    });
+
+    it("mint NFT and set another owner", async () => {
+        const owner = bob;
+        const collectionMetadata = 'setOwnerCollectionMetadata';
+        const collectionMax = null;
+        const collectionSymbol = 'SOCS';
+        const recipientUri = null;
+        const royalty = null;
+        const nftMetadata = 'setOwner-NFT-metadata';
+
+        let collectionId = await createCollection(
+            api,
+            alice,
+            collectionMetadata,
+            collectionMax,
+            collectionSymbol
+        );
+
+        await mintNft(
+            api,
+            alice,
+            owner,
+            collectionId,
+            nftMetadata,
+            recipientUri,
+            royalty
+        );
+    });
+
+    it("mint NFT with recipient and roalty", async () => {
+        const owner = alice;
+        const collectionMetadata = 'mintingCollectionMetadata';
+        const collectionMax = null;
+        const collectionSymbol = 'MCS';
+        const recipientUri = bob;
+        const royalty = 70000;
+        const nftMetadata = 'recipient-royalty-NFT-test-metadata';
+
+        let collectionId = await createCollection(
+            api,
+            alice,
+            collectionMetadata,
+            collectionMax,
+            collectionSymbol
+        );
+
+        await mintNft(
+            api,
+            alice,
+            owner,
+            collectionId,
+            nftMetadata,
+            recipientUri,
+            royalty
+        );
+    });
+
+    it("mint NFT with resources", async () => {
+        const owner = alice;
+        const collectionMetadata = 'mintingCollectionMetadata';
+        const collectionMax = null;
+        const collectionSymbol = 'MCS';
+        const nftMetadata = 'NFT-with-resources-test-metadata';
+        const resources = [
+          {
+            basic: {
+              metadata: 'basic-resource-nft-minting',
+            },
+          }, {
+            slot: {
+              metadata: 'slot-resource-nft-minting',
+              slot: 9,
+            },
+          }, {
+            composable: {
+              metadata: 'composable-resource-nft-minting',
+              parts: [0, 5, 2],
+            }
+          }, {
+            slot: {
+              metadata: 'slot-resource-nft-minting-2',
+              thumb: 'srnm2',
+              base: 5,
+            }
+          }
+        ];
+
+        let collectionId = await createCollection(
+            api,
+            alice,
+            collectionMetadata,
+            collectionMax,
+            collectionSymbol
+        );
+
+        await mintNft(
+            api,
+            alice,
+            owner,
+            collectionId,
+            nftMetadata,
+            null, null, true,
+            resources
+        );
+    });
+
+    it("[negative] unable to mint NFT within non-existing collection", async () => {
+      const owner = alice;
+      const recipientUri = null;
+      const royalty = null;
+      const nftMetadata = "NFT-test-metadata";
+
+      const tx = mintNft(
+        api,
+        alice,
+        owner,
+        maxCollectionId,
+        nftMetadata,
+        recipientUri,
+        royalty
+      );
+
+      await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx);
+    });
+
+    it("[negative] unable to mint NFT by a user that isn't the owner of the collection", async () => {
+      const owner = alice;
+      const collectionMetadata = "mintingCollectionMetadata";
+      const collectionMax = null;
+      const collectionSymbol = "MCS";
+      const recipientUri = null;
+      const royalty = null;
+      const nftMetadata = "NFT-test-metadata";
+
+      let collectionId = await createCollection(
+        api,
+        alice,
+        collectionMetadata,
+        collectionMax,
+        collectionSymbol
+      );
+
+      const tx = mintNft(
+        api,
+        bob,
+        owner,
+        collectionId,
+        nftMetadata,
+        recipientUri,
+        royalty
+      );
+
+      await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it("[negative] unable to fetch non-existing NFT", async () => {
+      const nft = await getNft(api, maxCollectionId, maxNftId);
+      expect(nft.isSome).to.be.false;
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/rejectNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/rejectNft.test.ts
@@ -0,0 +1,89 @@
+import { expect } from "chai";
+import { getApiConnection } from "../substrate/substrate-api";
+import {
+    createCollection,
+    mintNft,
+    sendNft,
+    rejectNft
+} from "./util/tx";
+import { getChildren, NftIdTuple } from "./util/fetch";
+import { isNftChildOfAnother, expectTxFailure } from "./util/helpers";
+
+describe("integration test: reject NFT", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = "//Alice";
+    const bob = "//Bob";
+
+    const createTestCollection = async (issuerUri: string) => {
+        return await createCollection(
+            api,
+            issuerUri,
+            "reject-metadata",
+            null,
+            "rjct"
+        );
+    }
+
+    it("reject NFT", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        await sendNft(api, "pending", ownerBob, bobCollectionId, childNftId, newOwnerNFT);
+        await rejectNft(api, alice, bobCollectionId, childNftId);
+
+        const isChild = await isNftChildOfAnother(api, bobCollectionId, childNftId, newOwnerNFT);
+        expect(isChild, 'Error: rejected NFT is still a child of the target NFT').to.be.false;
+    });
+
+    it("[negative] unable to reject NFT by a not-an-owner", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        await sendNft(api, "pending", ownerBob, bobCollectionId, childNftId, newOwnerNFT);
+        const tx = rejectNft(api, bob, bobCollectionId, childNftId);
+
+        await expectTxFailure(/rmrkCore\.CannotRejectNonOwnedNft/, tx);
+    });
+
+    it("[negative] unable to reject non-existing NFT", async () => {
+        const maxNftId = 0xFFFFFFFF;
+
+        const collectionId = await createTestCollection(alice);
+
+        const tx = rejectNft(api, alice, collectionId, maxNftId);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+
+    it("[negative] unable to reject NFT which is not sent", async () => {
+        const ownerAlice = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const nftId = await mintNft(api, alice, ownerAlice, collectionId, "parent-nft-metadata");
+
+        const tx = rejectNft(api, alice, collectionId, nftId);
+
+        await expectTxFailure(/rmrkCore\.CannotRejectNonPendingNft/, tx);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/removeResource.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/removeResource.test.ts
@@ -0,0 +1,348 @@
+import { expect } from 'chai';
+import privateKey from "../substrate/privateKey";
+import { executeTransaction, getApiConnection } from '../substrate/substrate-api';
+import { getNft, NftIdTuple } from './util/fetch';
+import { expectTxFailure } from './util/helpers';
+import {
+  acceptNft, acceptResourceRemoval, addNftBasicResource,
+  createBase,
+  createCollection,
+  mintNft, removeNftResource, sendNft
+} from "./util/tx";
+
+
+
+
+describe('Integration test: remove nft resource', () => {
+    let api: any;
+    let ss58Format: string;
+    before(async () => {
+      api = await getApiConnection();
+      ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;
+    });
+
+    const Alice = "//Alice";
+    const Bob = "//Bob";
+    const src = "test-basic-src";
+    const metadata = "test-basic-metadata";
+    const license = "test-basic-license";
+    const thumb = "test-basic-thumb";
+
+    it('deleting a resource directly by the NFT owner', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftAlice = await mintNft(
+            api,
+            Alice,
+            Alice,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "added",
+            collectionIdAlice,
+            nftAlice,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        await removeNftResource(api, 'removed', Alice, collectionIdAlice, nftAlice, resourceId);
+    });
+
+    it('deleting resources indirectly by the NFT owner', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const parentNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "parent-nft-metadata");
+        const childNftId = await mintNft(api, Alice, Alice, collectionIdAlice, "child-nft-metadata");
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "added",
+            collectionIdAlice,
+            childNftId,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const newOwnerNFT: NftIdTuple = [collectionIdAlice, parentNftId];
+
+        await sendNft(api, "sent", Alice, collectionIdAlice, childNftId, newOwnerNFT);
+
+        await removeNftResource(api, 'removed', Alice, collectionIdAlice, childNftId, resourceId);
+    });
+
+    it('deleting a resource by the collection owner', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftBob = await mintNft(
+            api,
+            Alice,
+            Bob,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "pending",
+            collectionIdAlice,
+            nftBob,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        await removeNftResource(api, 'pending', Alice, collectionIdAlice, nftBob, resourceId);
+        await acceptResourceRemoval(api, Bob, collectionIdAlice, nftBob, resourceId);
+    });
+
+    it('deleting a resource in a nested NFT by the collection owner', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const parentNftId = await mintNft(
+            api,
+            Alice,
+            Bob,
+            collectionIdAlice,
+            "parent-nft-metadata"
+        );
+        const childNftId = await mintNft(
+            api,
+            Alice,
+            Bob,
+            collectionIdAlice,
+            "child-nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "pending",
+            collectionIdAlice,
+            childNftId,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const newOwnerNFT: NftIdTuple = [collectionIdAlice, parentNftId];
+
+        await sendNft(api, "sent", Bob, collectionIdAlice, childNftId, newOwnerNFT);
+
+        await removeNftResource(api, 'pending', Alice, collectionIdAlice, childNftId, resourceId);
+        await acceptResourceRemoval(api, Bob, collectionIdAlice, childNftId, resourceId);
+    });
+
+    it('[negative]: can\'t delete a resource in a non-existing collection', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftAlice = await mintNft(
+            api,
+            Alice,
+            Alice,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "added",
+            collectionIdAlice,
+            nftAlice,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const tx = removeNftResource(api, 'removed', Alice, 0xFFFFFFFF, nftAlice, resourceId);
+        await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx); // FIXME: inappropriate error message (NoAvailableNftId)
+    });
+
+    it('[negative]: only collection owner can delete a resource', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftAlice = await mintNft(
+            api,
+            Alice,
+            Alice,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "added",
+            collectionIdAlice,
+            nftAlice,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const tx = removeNftResource(api, 'removed', Bob, collectionIdAlice, nftAlice, resourceId);
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it('[negative]: cannot delete a resource that does not exist', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftAlice = await mintNft(
+            api,
+            Alice,
+            Alice,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const tx = removeNftResource(api, 'removed', Alice, collectionIdAlice, nftAlice, 127);
+        await expectTxFailure(/rmrkCore\.ResourceDoesntExist/, tx);
+    });
+
+    it('[negative]: Cannot accept deleting resource without owner attempt do delete it', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftBob = await mintNft(
+            api,
+            Alice,
+            Bob,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "pending",
+            collectionIdAlice,
+            nftBob,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const tx = acceptResourceRemoval(api, Bob, collectionIdAlice, nftBob, resourceId);
+        await expectTxFailure(/rmrkCore\.ResourceNotPending/, tx);
+    });
+
+    it('[negative]: cannot confirm the deletion of a non-existing resource', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftBob = await mintNft(
+            api,
+            Alice,
+            Bob,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const tx = acceptResourceRemoval(api, Bob, collectionIdAlice, nftBob, 127);
+        await expectTxFailure(/rmrkCore\.ResourceDoesntExist/, tx);
+    });
+
+    it('[negative]: Non-owner user cannot confirm the deletion of resource', async () => {
+        const collectionIdAlice = await createCollection(
+            api,
+            Alice,
+            "test-metadata",
+            null,
+            "test-symbol"
+        );
+
+        const nftAlice = await mintNft(
+            api,
+            Alice,
+            Alice,
+            collectionIdAlice,
+            "nft-metadata"
+        );
+
+        const resourceId = await addNftBasicResource(
+            api,
+            Alice,
+            "added",
+            collectionIdAlice,
+            nftAlice,
+            src,
+            metadata,
+            license,
+            thumb
+        );
+
+        const tx = acceptResourceRemoval(api, Bob, collectionIdAlice, nftAlice, resourceId);
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    after(() => {
+        api.disconnect();
+    });
+});
deletedtests/src/rmrk/rmrk.test.tsdiffbeforeafterboth
--- a/tests/src/rmrk/rmrk.test.ts
+++ /dev/null
@@ -1,251 +0,0 @@
-import {expect} from 'chai';
-import privateKey from '../substrate/privateKey';
-import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  getCreateCollectionResult,
-  getDetailedCollectionInfo,
-  getGenericResult,
-  normalizeAccountId,
-} from '../util/helpers';
-import {IKeyringPair} from '@polkadot/types/types';
-import {ApiPromise} from '@polkadot/api';
-import {it} from 'mocha';
-
-let alice: IKeyringPair;
-let bob: IKeyringPair;
-
-async function createRmrkCollection(api: ApiPromise, sender: IKeyringPair): Promise<{uniqueId: number, rmrkId: number}> {
-  const tx = api.tx.rmrkCore.createCollection('metadata', null, 'symbol');
-  const events = await executeTransaction(api, sender, tx);
-
-  const uniqueResult = getCreateCollectionResult(events);
-  const rmrkResult = getGenericResult(events, 'rmrkCore', 'CollectionCreated', (data) => {
-    return parseInt(data[1].toString(), 10);
-  });
-
-  return {
-    uniqueId: uniqueResult.collectionId,
-    rmrkId: rmrkResult.data!,
-  };
-}
-
-async function createRmrkNft(api: ApiPromise, sender: IKeyringPair, collectionId: number): Promise<number> {
-  const tx = api.tx.rmrkCore.mintNft(
-    sender.address,
-    collectionId,
-    sender.address,
-    null,
-    'nft-metadata',
-    true,
-    null,
-  );
-  const events = await executeTransaction(api, sender, tx);
-  const result = getGenericResult(events, 'rmrkCore', 'NftMinted', (data) => {
-    return parseInt(data[2].toString(), 10);
-  });
-
-  return result.data!;
-}
-
-async function isUnique(): Promise<boolean> {
-  return usingApi(async api => {
-    const chain = await api.rpc.system.chain();
-
-    return chain.eq('UNIQUE');
-  });
-}
-
-describe('RMRK External Integration Test', async () => {
-  const it_rmrk = (await isUnique() ? it : it.skip);
-
-  before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-
-      
-    });
-  });
-
-  it_rmrk('Creates a new RMRK collection that is mapped to a different ID and is tagged as external', async () => {
-    await usingApi(async api => {
-      // throwaway collection to bump last Unique collection ID to test ID mapping
-      await createCollectionExpectSuccess();
-
-      const collectionIds = await createRmrkCollection(api, alice);
-
-      expect(collectionIds.rmrkId).to.be.lessThan(collectionIds.uniqueId, 'collection ID mapping');
-
-      const collection = (await getDetailedCollectionInfo(api, collectionIds.uniqueId))!;
-      expect(collection.readOnly.toHuman(), 'tagged external').to.be.true;
-    });
-  });
-});
-
-describe('Negative Integration Test: External Collections, Internal Ops', async () => {
-  let uniqueCollectionId: number;
-  let rmrkCollectionId: number;
-  let rmrkNftId: number;
-
-  const it_rmrk = (await isUnique() ? it : it.skip);
-
-  before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-
-      const collectionIds = await createRmrkCollection(api, alice);
-      uniqueCollectionId = collectionIds.uniqueId;
-      rmrkCollectionId = collectionIds.rmrkId;
-
-      rmrkNftId = await createRmrkNft(api, alice, rmrkCollectionId);
-    });
-  });
-
-  it_rmrk('[Negative] Forbids Unique operations with an external collection, handled by dispatch_call', async () => {
-    await usingApi(async api => {
-      // Collection item creation
-
-      const txCreateItem = api.tx.unique.createItem(uniqueCollectionId, normalizeAccountId(alice), 'NFT');
-      await expect(executeTransaction(api, alice, txCreateItem), 'creating item')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txCreateMultipleItems = api.tx.unique.createMultipleItems(uniqueCollectionId, normalizeAccountId(alice), [{NFT: {}}, {NFT: {}}]);
-      await expect(executeTransaction(api, alice, txCreateMultipleItems), 'creating multiple')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txCreateMultipleItemsEx = api.tx.unique.createMultipleItemsEx(uniqueCollectionId, {NFT: [{}]});
-      await expect(executeTransaction(api, alice, txCreateMultipleItemsEx), 'creating multiple ex')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      // Collection properties
-
-      const txSetCollectionProperties = api.tx.unique.setCollectionProperties(uniqueCollectionId, [{key: 'a', value: '1'}, {key: 'b'}]);
-      await expect(executeTransaction(api, alice, txSetCollectionProperties), 'setting collection properties')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txDeleteCollectionProperties = api.tx.unique.deleteCollectionProperties(uniqueCollectionId, ['a']);
-      await expect(executeTransaction(api, alice, txDeleteCollectionProperties), 'deleting collection properties')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txsetTokenPropertyPermissions = api.tx.unique.setTokenPropertyPermissions(uniqueCollectionId, [{key: 'a', permission: {mutable: true}}]);
-      await expect(executeTransaction(api, alice, txsetTokenPropertyPermissions), 'setting property permissions')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      // NFT
-
-      const txBurn = api.tx.unique.burnItem(uniqueCollectionId, rmrkNftId, 1);
-      await expect(executeTransaction(api, alice, txBurn), 'burning').to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txBurnFrom = api.tx.unique.burnFrom(uniqueCollectionId, normalizeAccountId(alice), rmrkNftId, 1);
-      await expect(executeTransaction(api, alice, txBurnFrom), 'burning-from').to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txTransfer = api.tx.unique.transfer(normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
-      await expect(executeTransaction(api, alice, txTransfer), 'transferring').to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txApprove = api.tx.unique.approve(normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
-      await expect(executeTransaction(api, alice, txApprove), 'approving').to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txTransferFrom = api.tx.unique.transferFrom(normalizeAccountId(alice), normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
-      await expect(executeTransaction(api, alice, txTransferFrom), 'transferring-from').to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      // NFT properties
-
-      const txSetTokenProperties = api.tx.unique.setTokenProperties(uniqueCollectionId, rmrkNftId, [{key: 'a', value: '2'}]);
-      await expect(executeTransaction(api, alice, txSetTokenProperties), 'setting token properties')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txDeleteTokenProperties = api.tx.unique.deleteTokenProperties(uniqueCollectionId, rmrkNftId, ['a']);
-      await expect(executeTransaction(api, alice, txDeleteTokenProperties), 'deleting token properties')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-    });
-  });
-
-  it_rmrk('[Negative] Forbids Unique collection operations with an external collection', async () => {
-    await usingApi(async api => {
-      const txDestroyCollection = api.tx.unique.destroyCollection(uniqueCollectionId);
-      await expect(executeTransaction(api, alice, txDestroyCollection), 'destroying collection')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      // Allow list
-
-      const txAddAllowList = api.tx.unique.addToAllowList(uniqueCollectionId, normalizeAccountId(bob));
-      await expect(executeTransaction(api, alice, txAddAllowList), 'adding to allow list')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txRemoveAllowList = api.tx.unique.removeFromAllowList(uniqueCollectionId, normalizeAccountId(bob));
-      await expect(executeTransaction(api, alice, txRemoveAllowList), 'removing from allowlist')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      // Owner / Admin / Sponsor
-
-      const txChangeOwner = api.tx.unique.changeCollectionOwner(uniqueCollectionId, bob.address);
-      await expect(executeTransaction(api, alice, txChangeOwner), 'changing owner')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txAddAdmin = api.tx.unique.addCollectionAdmin(uniqueCollectionId, normalizeAccountId(bob));
-      await expect(executeTransaction(api, alice, txAddAdmin), 'adding admin')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txRemoveAdmin = api.tx.unique.removeCollectionAdmin(uniqueCollectionId, normalizeAccountId(bob));
-      await expect(executeTransaction(api, alice, txRemoveAdmin), 'removing admin')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txAddCollectionSponsor = api.tx.unique.setCollectionSponsor(uniqueCollectionId, bob.address);
-      await expect(executeTransaction(api, alice, txAddCollectionSponsor), 'setting sponsor')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txConfirmCollectionSponsor = api.tx.unique.confirmSponsorship(uniqueCollectionId);
-      await expect(executeTransaction(api, alice, txConfirmCollectionSponsor), 'confirming sponsor')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txRemoveCollectionSponsor = api.tx.unique.removeCollectionSponsor(uniqueCollectionId);
-      await expect(executeTransaction(api, alice, txRemoveCollectionSponsor), 'removing sponsor')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-      
-      // Limits / permissions / transfers
-
-      const txSetTransfers = api.tx.unique.setTransfersEnabledFlag(uniqueCollectionId, true);
-      await expect(executeTransaction(api, alice, txSetTransfers), 'setting transfers enabled flag')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txSetLimits = api.tx.unique.setCollectionLimits(uniqueCollectionId, {transfersEnabled: false});
-      await expect(executeTransaction(api, alice, txSetLimits), 'setting collection limits')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-
-      const txSetPermissions = api.tx.unique.setCollectionPermissions(uniqueCollectionId, {access: 'AllowList'});
-      await expect(executeTransaction(api, alice, txSetPermissions), 'setting collection permissions')
-        .to.be.rejectedWith(/common\.CollectionIsExternal/);
-    });
-  });
-});
-
-describe('Negative Integration Test: Internal Collections, External Ops', async () => {
-  let collectionId: number;
-  let nftId: number;
-
-  const it_rmrk = (await isUnique() ? it : it.skip);
-
-  before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-
-      collectionId = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      nftId = await createItemExpectSuccess(alice, collectionId, 'NFT');
-    });
-  });
-
-  it_rmrk('[Negative] Forbids RMRK operations with the internal collection and NFT (due to the lack of mapping)', async () => {
-    await usingApi(async api => {
-      const txChangeOwner = api.tx.rmrkCore.changeCollectionIssuer(collectionId, bob.address);
-      await expect(executeTransaction(api, alice, txChangeOwner), 'changing collection issuer')
-        .to.be.rejectedWith(/rmrkCore\.CollectionUnknown/);
-
-      const maxBurns = 10;
-      const txBurnItem = api.tx.rmrkCore.burnNft(collectionId, nftId, maxBurns);
-      await expect(executeTransaction(api, alice, txBurnItem), 'burning NFT').to.be.rejectedWith(/rmrkCore\.CollectionUnknown/);
-    });
-  });
-});
addedtests/src/rmrk/rmrkIsolation.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/rmrkIsolation.test.ts
@@ -0,0 +1,250 @@
+import {expect} from 'chai';
+import usingApi, {executeTransaction} from '../substrate/substrate-api';
+import {
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+  getCreateCollectionResult,
+  getDetailedCollectionInfo,
+  getGenericResult,
+  normalizeAccountId,
+} from '../util/helpers';
+import {IKeyringPair} from '@polkadot/types/types';
+import {ApiPromise} from '@polkadot/api';
+import {it} from 'mocha';
+
+let alice: IKeyringPair;
+let bob: IKeyringPair;
+
+async function createRmrkCollection(api: ApiPromise, sender: IKeyringPair): Promise<{uniqueId: number, rmrkId: number}> {
+  const tx = api.tx.rmrkCore.createCollection('metadata', null, 'symbol');
+  const events = await executeTransaction(api, sender, tx);
+
+  const uniqueResult = getCreateCollectionResult(events);
+  const rmrkResult = getGenericResult(events, 'rmrkCore', 'CollectionCreated', (data) => {
+    return parseInt(data[1].toString(), 10);
+  });
+
+  return {
+    uniqueId: uniqueResult.collectionId,
+    rmrkId: rmrkResult.data!,
+  };
+}
+
+async function createRmrkNft(api: ApiPromise, sender: IKeyringPair, collectionId: number): Promise<number> {
+  const tx = api.tx.rmrkCore.mintNft(
+    sender.address,
+    collectionId,
+    sender.address,
+    null,
+    'nft-metadata',
+    true,
+    null,
+  );
+  const events = await executeTransaction(api, sender, tx);
+  const result = getGenericResult(events, 'rmrkCore', 'NftMinted', (data) => {
+    return parseInt(data[2].toString(), 10);
+  });
+
+  return result.data!;
+}
+
+async function isUnique(): Promise<boolean> {
+  return usingApi(async api => {
+    const chain = await api.rpc.system.chain();
+
+    return chain.eq('UNIQUE');
+  });
+}
+
+describe('RMRK External Integration Test', async () => {
+  const it_rmrk = (await isUnique() ? it : it.skip);
+
+  before(async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+
+      
+    });
+  });
+
+  it_rmrk('Creates a new RMRK collection that is mapped to a different ID and is tagged as external', async () => {
+    await usingApi(async api => {
+      // throwaway collection to bump last Unique collection ID to test ID mapping
+      await createCollectionExpectSuccess();
+
+      const collectionIds = await createRmrkCollection(api, alice);
+
+      expect(collectionIds.rmrkId).to.be.lessThan(collectionIds.uniqueId, 'collection ID mapping');
+
+      const collection = (await getDetailedCollectionInfo(api, collectionIds.uniqueId))!;
+      expect(collection.readOnly.toHuman(), 'tagged external').to.be.true;
+    });
+  });
+});
+
+describe('Negative Integration Test: External Collections, Internal Ops', async () => {
+  let uniqueCollectionId: number;
+  let rmrkCollectionId: number;
+  let rmrkNftId: number;
+
+  const it_rmrk = (await isUnique() ? it : it.skip);
+
+  before(async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
+
+      const collectionIds = await createRmrkCollection(api, alice);
+      uniqueCollectionId = collectionIds.uniqueId;
+      rmrkCollectionId = collectionIds.rmrkId;
+
+      rmrkNftId = await createRmrkNft(api, alice, rmrkCollectionId);
+    });
+  });
+
+  it_rmrk('[Negative] Forbids Unique operations with an external collection, handled by dispatch_call', async () => {
+    await usingApi(async api => {
+      // Collection item creation
+
+      const txCreateItem = api.tx.unique.createItem(uniqueCollectionId, normalizeAccountId(alice), 'NFT');
+      await expect(executeTransaction(api, alice, txCreateItem), 'creating item')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txCreateMultipleItems = api.tx.unique.createMultipleItems(uniqueCollectionId, normalizeAccountId(alice), [{NFT: {}}, {NFT: {}}]);
+      await expect(executeTransaction(api, alice, txCreateMultipleItems), 'creating multiple')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txCreateMultipleItemsEx = api.tx.unique.createMultipleItemsEx(uniqueCollectionId, {NFT: [{}]});
+      await expect(executeTransaction(api, alice, txCreateMultipleItemsEx), 'creating multiple ex')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      // Collection properties
+
+      const txSetCollectionProperties = api.tx.unique.setCollectionProperties(uniqueCollectionId, [{key: 'a', value: '1'}, {key: 'b'}]);
+      await expect(executeTransaction(api, alice, txSetCollectionProperties), 'setting collection properties')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txDeleteCollectionProperties = api.tx.unique.deleteCollectionProperties(uniqueCollectionId, ['a']);
+      await expect(executeTransaction(api, alice, txDeleteCollectionProperties), 'deleting collection properties')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txsetTokenPropertyPermissions = api.tx.unique.setTokenPropertyPermissions(uniqueCollectionId, [{key: 'a', permission: {mutable: true}}]);
+      await expect(executeTransaction(api, alice, txsetTokenPropertyPermissions), 'setting property permissions')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      // NFT
+
+      const txBurn = api.tx.unique.burnItem(uniqueCollectionId, rmrkNftId, 1);
+      await expect(executeTransaction(api, alice, txBurn), 'burning').to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txBurnFrom = api.tx.unique.burnFrom(uniqueCollectionId, normalizeAccountId(alice), rmrkNftId, 1);
+      await expect(executeTransaction(api, alice, txBurnFrom), 'burning-from').to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txTransfer = api.tx.unique.transfer(normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
+      await expect(executeTransaction(api, alice, txTransfer), 'transferring').to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txApprove = api.tx.unique.approve(normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
+      await expect(executeTransaction(api, alice, txApprove), 'approving').to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txTransferFrom = api.tx.unique.transferFrom(normalizeAccountId(alice), normalizeAccountId(bob), uniqueCollectionId, rmrkNftId, 1);
+      await expect(executeTransaction(api, alice, txTransferFrom), 'transferring-from').to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      // NFT properties
+
+      const txSetTokenProperties = api.tx.unique.setTokenProperties(uniqueCollectionId, rmrkNftId, [{key: 'a', value: '2'}]);
+      await expect(executeTransaction(api, alice, txSetTokenProperties), 'setting token properties')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txDeleteTokenProperties = api.tx.unique.deleteTokenProperties(uniqueCollectionId, rmrkNftId, ['a']);
+      await expect(executeTransaction(api, alice, txDeleteTokenProperties), 'deleting token properties')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+    });
+  });
+
+  it_rmrk('[Negative] Forbids Unique collection operations with an external collection', async () => {
+    await usingApi(async api => {
+      const txDestroyCollection = api.tx.unique.destroyCollection(uniqueCollectionId);
+      await expect(executeTransaction(api, alice, txDestroyCollection), 'destroying collection')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      // Allow list
+
+      const txAddAllowList = api.tx.unique.addToAllowList(uniqueCollectionId, normalizeAccountId(bob));
+      await expect(executeTransaction(api, alice, txAddAllowList), 'adding to allow list')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txRemoveAllowList = api.tx.unique.removeFromAllowList(uniqueCollectionId, normalizeAccountId(bob));
+      await expect(executeTransaction(api, alice, txRemoveAllowList), 'removing from allowlist')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      // Owner / Admin / Sponsor
+
+      const txChangeOwner = api.tx.unique.changeCollectionOwner(uniqueCollectionId, bob.address);
+      await expect(executeTransaction(api, alice, txChangeOwner), 'changing owner')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txAddAdmin = api.tx.unique.addCollectionAdmin(uniqueCollectionId, normalizeAccountId(bob));
+      await expect(executeTransaction(api, alice, txAddAdmin), 'adding admin')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txRemoveAdmin = api.tx.unique.removeCollectionAdmin(uniqueCollectionId, normalizeAccountId(bob));
+      await expect(executeTransaction(api, alice, txRemoveAdmin), 'removing admin')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txAddCollectionSponsor = api.tx.unique.setCollectionSponsor(uniqueCollectionId, bob.address);
+      await expect(executeTransaction(api, alice, txAddCollectionSponsor), 'setting sponsor')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txConfirmCollectionSponsor = api.tx.unique.confirmSponsorship(uniqueCollectionId);
+      await expect(executeTransaction(api, alice, txConfirmCollectionSponsor), 'confirming sponsor')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txRemoveCollectionSponsor = api.tx.unique.removeCollectionSponsor(uniqueCollectionId);
+      await expect(executeTransaction(api, alice, txRemoveCollectionSponsor), 'removing sponsor')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+      
+      // Limits / permissions / transfers
+
+      const txSetTransfers = api.tx.unique.setTransfersEnabledFlag(uniqueCollectionId, true);
+      await expect(executeTransaction(api, alice, txSetTransfers), 'setting transfers enabled flag')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txSetLimits = api.tx.unique.setCollectionLimits(uniqueCollectionId, {transfersEnabled: false});
+      await expect(executeTransaction(api, alice, txSetLimits), 'setting collection limits')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+
+      const txSetPermissions = api.tx.unique.setCollectionPermissions(uniqueCollectionId, {access: 'AllowList'});
+      await expect(executeTransaction(api, alice, txSetPermissions), 'setting collection permissions')
+        .to.be.rejectedWith(/common\.CollectionIsExternal/);
+    });
+  });
+});
+
+describe('Negative Integration Test: Internal Collections, External Ops', async () => {
+  let collectionId: number;
+  let nftId: number;
+
+  const it_rmrk = (await isUnique() ? it : it.skip);
+
+  before(async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
+
+      collectionId = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
+      nftId = await createItemExpectSuccess(alice, collectionId, 'NFT');
+    });
+  });
+
+  it_rmrk('[Negative] Forbids RMRK operations with the internal collection and NFT (due to the lack of mapping)', async () => {
+    await usingApi(async api => {
+      const txChangeOwner = api.tx.rmrkCore.changeCollectionIssuer(collectionId, bob.address);
+      await expect(executeTransaction(api, alice, txChangeOwner), 'changing collection issuer')
+        .to.be.rejectedWith(/rmrkCore\.CollectionUnknown/);
+
+      const maxBurns = 10;
+      const txBurnItem = api.tx.rmrkCore.burnNft(collectionId, nftId, maxBurns);
+      await expect(executeTransaction(api, alice, txBurnItem), 'burning NFT').to.be.rejectedWith(/rmrkCore\.CollectionUnknown/);
+    });
+  });
+});
addedtests/src/rmrk/sendNft.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/sendNft.test.ts
@@ -0,0 +1,252 @@
+import { expect } from "chai";
+import { getApiConnection } from "../substrate/substrate-api";
+import { createCollection, mintNft, sendNft } from "./util/tx";
+import { NftIdTuple } from "./util/fetch";
+import { isNftChildOfAnother, expectTxFailure } from "./util/helpers";
+
+describe("integration test: send NFT", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const maxNftId = 0xFFFFFFFF;
+
+    const alice = "//Alice";
+    const bob = "//Bob";
+
+    const createTestCollection = async (issuerUri: string) => {
+        return await createCollection(
+            api,
+            issuerUri,
+            "nft-collection-metadata",
+            null,
+            "nft-collection"
+        );
+    };
+
+
+    it("send NFT to another user", async () => {
+        const originalOwnerUri = alice;
+        const newOwnerUri = bob;
+
+        const collectionId = await createTestCollection(alice);
+
+        const nftId = await mintNft(api, alice, originalOwnerUri, collectionId, "nft-metadata");
+
+        await sendNft(api, "sent", originalOwnerUri, collectionId, nftId, newOwnerUri);
+    });
+
+    it("[negative] unable to send non-existing NFT", async () => {
+        const originalOwnerUri = alice;
+        const newOwnerUri = bob;
+
+        const collectionId = 0;
+        const tx = sendNft(api, "sent", originalOwnerUri, collectionId, maxNftId, newOwnerUri);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+
+    it("[negative] unable to send NFT by a not-an-owner", async () => {
+        const originalOwnerUri = alice;
+        const newOwnerUri = bob;
+
+        const collectionId = await createTestCollection(alice);
+
+        const nftId = await mintNft(api, alice, originalOwnerUri, collectionId, "nft-metadata");
+
+        const tx = sendNft(api, "sent", newOwnerUri, collectionId, nftId, newOwnerUri);
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it("send NFT to another NFT (same owner)", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", alice, collectionId, childNftId, newOwnerNFT);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.true;
+    });
+
+    it("[negative] send non-existing NFT to another NFT", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "parent-nft-metadata");
+        const childNftId = maxNftId;
+
+        const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+        const tx = sendNft(api, "sent", alice, collectionId, childNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.false;
+    });
+
+    it("send NFT to another NFT (by not-an-owner)", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const author = alice;
+        const attacker = bob;
+
+        const parentNftId = await mintNft(api, author, originalOwnerUri, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, author, originalOwnerUri, collectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+        const tx = sendNft(api, "sent", attacker, collectionId, childNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.false;
+    });
+
+    it("[negative] send NFT to non-existing NFT", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = maxNftId;
+        const childNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+        const tx = sendNft(api, "sent", alice, collectionId, childNftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.false;
+    });
+
+    it("send NFT to another NFT owned by another user", async () => {
+        const ownerAlice = alice;
+        const ownerBob = bob;
+
+        const aliceCollectionId = await createTestCollection(alice);
+        const bobCollectionId = await createTestCollection(bob);
+
+        const parentNftId = await mintNft(api, alice, ownerAlice, aliceCollectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, bob, ownerBob, bobCollectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [aliceCollectionId, parentNftId];
+
+        await sendNft(api, "pending", bob, bobCollectionId, childNftId, newOwnerNFT);
+    });
+
+    it("[negative] unable to send NFT to itself", async () => {
+        const nftOwner = alice;
+        const collectionId = await createTestCollection(alice);
+
+        const nftId = await mintNft(api, alice, nftOwner, collectionId, "ouroboros-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [collectionId, nftId];
+
+        const tx = sendNft(api, "sent", alice, collectionId, nftId, newOwnerNFT);
+
+        await expectTxFailure(/rmrkCore\.CannotSendToDescendentOrSelf/, tx);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, nftId, newOwnerNFT);
+        expect(isChild).to.be.false;
+    });
+
+    it("[negative] unable to send NFT to child NFT", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "child-nft-metadata");
+
+        const newOwnerNFT: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", alice, collectionId, childNftId, newOwnerNFT);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, newOwnerNFT);
+        expect(isChild).to.be.true;
+
+        const descendentOwner: NftIdTuple = [collectionId, childNftId];
+        const tx = sendNft(api, "sent", alice, collectionId, parentNftId, descendentOwner);
+
+        await expectTxFailure(/rmrkCore\.CannotSendToDescendentOrSelf/, tx);
+        const isOuroboros = await isNftChildOfAnother(api, collectionId, parentNftId, descendentOwner);
+        expect(isOuroboros).to.be.false;
+    });
+
+    it("[negative] unable to send NFT to descendent NFT", async () => {
+        const originalOwnerUri = alice;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "child-nft-metadata");
+        const grandsonNftId = await mintNft(api, alice, originalOwnerUri, collectionId, "grandson-nft-metadata");
+
+        const ownerParentNFT: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", alice, collectionId, childNftId, ownerParentNFT);
+
+        const isChild = await isNftChildOfAnother(api, collectionId, childNftId, ownerParentNFT);
+        expect(isChild).to.be.true;
+
+        const ownerChildNFT: NftIdTuple = [collectionId, childNftId];
+        await sendNft(api, "sent", alice, collectionId, grandsonNftId, ownerChildNFT);
+
+        const isGrandson = await isNftChildOfAnother(api, collectionId, grandsonNftId, ownerChildNFT);
+        expect(isGrandson).to.be.true;
+
+        const ownerGrandsonNFT: NftIdTuple = [collectionId, grandsonNftId];
+        const tx = sendNft(api, "sent", alice, collectionId, parentNftId, ownerGrandsonNFT);
+
+        await expectTxFailure(/rmrkCore\.CannotSendToDescendentOrSelf/, tx);
+        const isOuroboros = await isNftChildOfAnother(api, collectionId, parentNftId, ownerGrandsonNFT);
+        expect(isOuroboros).to.be.false;
+    });
+
+    it("send nested NFT to another user", async () => {
+        const originalOwner = alice;
+        const newOwner = bob;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwner, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, alice, originalOwner, collectionId, "child-nft-metadata");
+
+        const parentNftTuple: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", originalOwner, collectionId, childNftId, parentNftTuple);
+
+        await sendNft(api, "sent", originalOwner, collectionId, childNftId, newOwner);
+    });
+
+    it("[negative] send nested NFT to another user (by a not-root-owner)", async () => {
+        const originalOwner = alice;
+        const newOwner = bob;
+
+        const collectionId = await createTestCollection(alice);
+
+        const parentNftId = await mintNft(api, alice, originalOwner, collectionId, "parent-nft-metadata");
+        const childNftId = await mintNft(api, alice, originalOwner, collectionId, "child-nft-metadata");
+
+        const parentNftTuple: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", originalOwner, collectionId, childNftId, parentNftTuple);
+
+        const tx = sendNft(api, "sent", newOwner, collectionId, childNftId, newOwner);
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/setCollectionProperty.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/setCollectionProperty.test.ts
@@ -0,0 +1,67 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { expectTxFailure } from "./util/helpers";
+import { createCollection, setPropertyCollection } from "./util/tx";
+
+describe("integration test: set collection property", () => {
+  const Alice = "//Alice";
+  const Bob = "//Bob";
+
+  let api: any;
+  before(async () => {
+    api = await getApiConnection();
+  });
+
+  it("set collection property", async () => {
+    await createCollection(
+      api,
+      Alice,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+      await setPropertyCollection(api, Alice, collectionId, "test_key", "42");
+      await setPropertyCollection(api, Alice, collectionId, "test_key", "10");
+      await setPropertyCollection(
+        api,
+        Alice,
+        collectionId,
+        "second_test_key",
+        "111"
+      );
+    });
+  });
+
+  it("[negative] set non-existing collection property", async () => {
+    const tx = setPropertyCollection(
+      api,
+      Alice,
+      9999,
+      "test_key",
+      "42"
+    );
+    await expectTxFailure(/rmrkCore\.CollectionUnknown/, tx);
+  });
+
+  it("[negative] set property not an owner NFT collection issuer", async () => {
+    await createCollection(
+      api,
+      Bob,
+      "test-metadata",
+      null,
+      "test-symbol"
+    ).then(async (collectionId) => {
+        const tx = setPropertyCollection(
+          api,
+          Alice,
+          collectionId,
+          "test_key",
+          "42"
+        );
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+  });
+
+  after(() => {
+    api.disconnect();
+  });
+});
addedtests/src/rmrk/setEquippableList.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/setEquippableList.test.ts
@@ -0,0 +1,111 @@
+import { getApiConnection } from '../substrate/substrate-api';
+import { expectTxFailure } from './util/helpers';
+import { createCollection, createBase, setEquippableList } from "./util/tx";
+
+describe("integration test: set slot's Equippable List", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+    const bob = '//Bob';
+
+    it("set Base's slot Equippable List", async () => {
+        const collectionIds = [
+            await createCollection(
+                api,
+                alice,
+                "equiplist-collection-metadata",
+                null,
+                "equiplist-0"
+            ),
+            await createCollection(
+                api,
+                alice,
+                "equiplist-collection-metadata",
+                null,
+                "equiplist-1"
+            )
+        ]
+
+        const slotId = 202;
+
+        const baseId = await createBase(api, alice, 'slotpartany-base-type', 'slotpartany', [
+            {
+                "SlotPart": {
+                    id: slotId,
+                    equippable: "All",
+                    z: 1,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+
+        await setEquippableList(api, alice, baseId, slotId, "All");
+        await setEquippableList(api, alice, baseId, slotId, "Empty");
+        await setEquippableList(api, alice, baseId, slotId, { "Custom": collectionIds });
+    });
+
+    it("[negative] unable to set equippable list of a slot of non-existing base", async () => {
+        const maxBaseId = 0xFFFFFFFF;
+        const slotId = 0;
+
+        const tx = setEquippableList(api, alice, maxBaseId, slotId, "All");
+        await expectTxFailure(/rmrkEquip\.BaseDoesntExist/, tx);
+    });
+
+    it("[negative] unable to set equippable list by a not-an-owner", async () => {
+        const slotId = 42;
+
+        const baseId = await createBase(api, alice, 'slotpartany-base-type', 'slotpartany', [
+            {
+                "SlotPart": {
+                    id: slotId,
+                    equippable: "All",
+                    z: 1,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+
+        const tx = setEquippableList(api, bob, baseId, slotId, "All");
+        await expectTxFailure(/rmrkEquip\.PermissionError/, tx);
+    });
+
+    it("[negative] unable to set equippable list to a fixed part", async () => {
+        const fixedPartId = 42;
+
+        const baseId = await createBase(api, alice, 'fixedpart-base-type', 'fixedpart', [
+            {
+                "FixedPart": {
+                    id: fixedPartId,
+                    z: 0,
+                    src: "fixed-part-url"
+                }
+            }
+        ]);
+
+        const tx = setEquippableList(api, alice, baseId, fixedPartId, "All");
+        await expectTxFailure(/rmrkEquip\.NoEquippableOnFixedPart/, tx);
+    });
+
+    it("[negative] unable to set equippable list to non-existing slot", async () => {
+        const slotId = 777
+        const maxSlotId = 0xFFFFFFFF;
+
+        const baseId = await createBase(api, alice, 'slotpartany-base-type', 'slotpartany', [
+            {
+                "SlotPart": {
+                    id: slotId,
+                    equippable: "All",
+                    z: 1,
+                    src: "some-fallback-slot-url"
+                }
+            }
+        ]);
+
+        const tx = setEquippableList(api, alice, baseId, maxSlotId, "All");
+        await expectTxFailure(/rmrkEquip\.PartDoesntExist/, tx);
+    })
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/setNftProperty.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/setNftProperty.test.ts
@@ -0,0 +1,85 @@
+import { getApiConnection } from "../substrate/substrate-api";
+import { NftIdTuple } from "./util/fetch";
+import { expectTxFailure } from "./util/helpers";
+import { createCollection, mintNft, sendNft, setNftProperty } from "./util/tx";
+
+describe("integration test: set NFT property", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = "//Alice";
+    const bob = "//Bob";
+
+    const createTestCollection = async (issuerUri: string) => {
+        return await createCollection(
+            api,
+            issuerUri,
+            "setprop-nft-collection-metadata",
+            null,
+            "setprop"
+        );
+    };
+
+    it("set NFT property", async () => {
+        const ownerAlice = alice;
+
+        const collectionId = await createTestCollection(alice);
+        const nftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-nft");
+
+        await setNftProperty(api, alice, collectionId, nftId, 'test-key', 'test-key-value');
+        await setNftProperty(api, alice, collectionId, nftId, 'test-key', 'updated-key-value');
+        await setNftProperty(api, alice, collectionId, nftId, 'second-test-key', 'second-test-key-value');
+    });
+
+    it("[negative] unable to set a property of non-existing NFT", async () => {
+        const collectionId = 0;
+        const maxNftId = 0xFFFFFFFF;
+
+        const tx = setNftProperty(api, alice, collectionId, maxNftId, 'test-key', 'test-value');
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+
+    it("[negative] unable to set a property by not-an-owner", async () => {
+        const ownerAlice = alice;
+
+        const collectionId = await createTestCollection(alice);
+        const nftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-nft");
+
+        const tx = setNftProperty(api, bob, collectionId, nftId, 'test-key', 'test-key-value');
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it("set a property to nested NFT", async () => {
+        const ownerAlice = alice;
+
+        const collectionId = await createTestCollection(alice);
+        const parentNftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-parent-nft");
+        const childNftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-child-nft");
+
+        const ownerNft: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", ownerAlice, collectionId, childNftId, ownerNft);
+
+        await setNftProperty(api, alice, collectionId, childNftId, 'test-key', 'test-key-value');
+    });
+
+    it("[negative] set a property to nested NFT (by not-root-owner)", async () => {
+        const ownerAlice = alice;
+
+        const collectionId = await createTestCollection(alice);
+        const parentNftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-parent-nft");
+        const childNftId = await mintNft(api, alice, ownerAlice, collectionId, "prop-child-nft");
+
+        const ownerNft: NftIdTuple = [collectionId, parentNftId];
+
+        await sendNft(api, "sent", ownerAlice, collectionId, childNftId, ownerNft);
+
+        const tx = setNftProperty(api, bob, collectionId, childNftId, 'test-key', 'test-key-value');
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/setResourcePriorities.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/setResourcePriorities.test.ts
@@ -0,0 +1,55 @@
+import { getApiConnection } from '../substrate/substrate-api';
+import { expectTxFailure } from './util/helpers';
+import { mintNft, createCollection, setResourcePriorities } from './util/tx';
+
+describe("integration test: set NFT resource priorities", () => {
+    let api: any;
+    before(async () => { api = await getApiConnection(); });
+
+    const alice = '//Alice';
+    const bob = '//Bob';
+
+    const createTestCollection = (issuerUri: string) => {
+        return createCollection(
+            api,
+            issuerUri,
+            'resprio-collection-metadata',
+            null,
+            'resprio'
+        );
+    };
+
+    it("set NFT resource priorities", async () => {
+        const owner = alice;
+
+        const collectionId = await createTestCollection(alice);
+        const nftId = await mintNft(api, alice, owner, collectionId, 'resprio-nft-metadata');
+
+        await setResourcePriorities(api, alice, collectionId, nftId, [10, 42]);
+    });
+
+    it("[negative] set NFT resource priorities by a not-an-owner", async () => {
+        const owner = alice;
+        const attacker = bob;
+
+        const collectionId = await createTestCollection(alice);
+        const nftId = await mintNft(api, alice, owner, collectionId, 'resprio-nft-metadata');
+
+        const tx = setResourcePriorities(api, attacker, collectionId, nftId, [10, 42]);
+
+        await expectTxFailure(/rmrkCore\.NoPermission/, tx);
+    });
+
+    it("[negative] set NFT resource priorities to non-existing NFT", async () => {
+        const owner = alice;
+
+        const collectionId = 0;
+        const maxNftId = 0xFFFFFFFF;
+
+        const tx = setResourcePriorities(api, alice, collectionId, maxNftId, [10, 42]);
+
+        await expectTxFailure(/rmrkCore\.NoAvailableNftId/, tx);
+    });
+
+    after(() => { api.disconnect(); });
+});
addedtests/src/rmrk/util/fetch.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/util/fetch.ts
@@ -0,0 +1,130 @@
+import { ApiPromise } from '@polkadot/api';
+import type { Option, Bytes } from '@polkadot/types-codec';
+import type {
+    RmrkTraitsCollectionCollectionInfo as Collection,
+    RmrkTraitsNftNftInfo as Nft,
+    RmrkTraitsResourceResourceInfo as Resource,
+    RmrkTraitsBaseBaseInfo as Base,
+    RmrkTraitsPartPartType as PartType,
+    RmrkTraitsNftNftChild as NftChild,
+    RmrkTraitsTheme as Theme,
+    RmrkTraitsPropertyPropertyInfo as Property,
+} from '../../interfaces/default/types'; // '@polkadot/types/lookup';
+import '../../interfaces/augment-api';
+import '../../interfaces/augment-api-query';
+import privateKey from '../../substrate/privateKey';
+
+export type NftIdTuple = [number, number];
+
+export async function getCollectionsCount(api: ApiPromise): Promise<number> {
+    return (await api.rpc.rmrk.lastCollectionIdx()).toNumber();
+}
+
+export async function getCollection(api: ApiPromise, id: number): Promise<Option<Collection>> {
+    return api.rpc.rmrk.collectionById(id);
+}
+
+export async function getOwnedNfts(
+    api: ApiPromise,
+    ownerUri: string,
+    collectionId: number
+): Promise<number[]> {
+    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;
+    const owner = privateKey(ownerUri, Number(ss58Format));
+
+    return (await api.rpc.rmrk.accountTokens(owner.address, collectionId))
+        .map((value) => value.toNumber())
+}
+
+export async function getNft(api: ApiPromise, collectionId: number, nftId: number): Promise<Option<Nft>> {
+    return api.rpc.rmrk.nftById(collectionId, nftId);
+}
+
+export async function getCollectionProperties(api: ApiPromise, collectionId: number): Promise<Property[]> {
+    return (await api.rpc.rmrk.collectionProperties(collectionId)).toArray();
+}
+
+export async function getNftProperties(api: ApiPromise, collectionId: number, nftId: number): Promise<Property[]> {
+    return (await api.rpc.rmrk.nftProperties(collectionId, nftId)).toArray();
+}
+
+export async function getChildren(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number
+): Promise<NftChild[]> {
+    return (await api.rpc.rmrk.nftChildren(collectionId, nftId)).toArray();
+}
+
+export async function getBase(api: ApiPromise, baseId: number): Promise<Option<Base>> {
+    return api.rpc.rmrk.base(baseId);
+}
+
+export async function getParts(api: ApiPromise, baseId: number): Promise<PartType[]> {
+    return (await api.rpc.rmrk.baseParts(baseId)).toArray();
+}
+
+export async function getEquippableList(
+    api: ApiPromise,
+    baseId: number,
+    slotId: number
+): Promise<"All" | "Empty" | { "Custom": number[] } | null> {
+    const parts = await getParts(api, baseId);
+
+    const part = parts.find((part) => {
+        if (part.isSlotPart) {
+            return part.asSlotPart.id.toNumber() === slotId;
+        } else {
+            return false;
+        }
+    });
+
+    if (part) {
+        const slot = part.asSlotPart;
+        if (slot.equippable.isCustom) {
+            return {
+                "Custom": slot.equippable.asCustom
+                            .toArray()
+                            .map((collectionId) => collectionId.toNumber())
+            };
+        } else if (slot.equippable.isAll) {
+            return "All";
+        } else {
+            return "Empty";
+        }
+    } else {
+        return null;
+    }
+}
+
+export async function getResourcePriority(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number,
+    resourceId: number,
+): Promise<number> {
+    return (await api.rpc.rmrk.nftResourcePriority(collectionId, nftId, resourceId))
+        .unwrap().toNumber();
+}
+
+export async function getThemeNames(api: ApiPromise, baseId: number): Promise<string[]> {
+    return (await api.rpc.rmrk.themeNames(baseId))
+        .map((name) => name.toUtf8());
+}
+
+export async function getTheme(
+    api: ApiPromise,
+    baseId: number,
+    themeName: string,
+    keys: string[] | null = null
+): Promise<Option<Theme>> {
+    return api.rpc.rmrk.themes(baseId, themeName, keys);
+}
+
+export async function getResources(
+  api: ApiPromise,
+  collectionId: number,
+  nftId: number
+): Promise<Resource[]> {
+  return (await api.rpc.rmrk.nftResources(collectionId, nftId)).toArray();
+}
addedtests/src/rmrk/util/helpers.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/rmrk/util/helpers.ts
@@ -0,0 +1,207 @@
+import { ApiPromise } from "@polkadot/api";
+import {
+    RmrkTraitsNftAccountIdOrCollectionNftTuple as NftOwner,
+    RmrkTraitsPropertyPropertyInfo as Property,
+    RmrkTraitsResourceResourceInfo as ResourceInfo,
+} from "@polkadot/types/lookup";
+import type { EventRecord } from '@polkadot/types/interfaces';
+import type { GenericEventData } from '@polkadot/types';
+import privateKey from "../../substrate/privateKey";
+import { NftIdTuple, getChildren, getOwnedNfts, getCollectionProperties, getNftProperties, getResources } from './fetch';
+import chaiAsPromised from 'chai-as-promised';
+import chai from 'chai';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+interface TxResult<T> {
+    success: boolean;
+    successData: T | null;
+}
+
+export function makeNftOwner(api: ApiPromise, owner: string | NftIdTuple): NftOwner {
+    const isNftSending = (typeof owner !== "string");
+
+    if (isNftSending) {
+        return api.createType("RmrkTraitsNftAccountIdOrCollectionNftTuple", {
+            "CollectionAndNftTuple": owner
+        });
+    } else {
+        const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;
+        return api.createType("RmrkTraitsNftAccountIdOrCollectionNftTuple", {
+          AccountId: privateKey(owner, Number(ss58Format)).address,
+        });
+    }
+}
+
+export async function isNftOwnedBy(
+    api: ApiPromise,
+    owner: string | NftIdTuple,
+    collectionId: number,
+    nftId: number
+): Promise<boolean> {
+    if (typeof owner === "string") {
+        return (await getOwnedNfts(api, owner, collectionId))
+            .find(ownedNftId => {
+                return ownedNftId === nftId;
+            }) !== undefined;
+    } else {
+        return (await getChildren(api, owner[0], owner[1]))
+            .find(child => {
+                return collectionId === child.collectionId.toNumber()
+                    && nftId === child.nftId.toNumber();
+            }) !== undefined;
+    }
+}
+
+export function isPropertyExists(
+    key: string,
+    value: string,
+    props: Property[]
+): boolean {
+    let isPropFound = false;
+    for (var i = 0; i < props.length && !isPropFound; i++) {
+        const fetchedProp = props[i];
+
+        isPropFound = fetchedProp.key.eq(key)
+                    && fetchedProp.value.eq(value);
+    }
+
+    return isPropFound;
+}
+
+export async function isCollectionPropertyExists(
+    api: ApiPromise,
+    collectionId: number,
+    key: string,
+    value: string
+): Promise<boolean> {
+    const fetchedProps = await getCollectionProperties(api, collectionId);
+    return isPropertyExists(key, value, fetchedProps);
+}
+
+export async function isNftPropertyExists(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number,
+    key: string,
+    value: string
+): Promise<boolean> {
+    const fetchedProps = await getNftProperties(api, collectionId, nftId);
+    return isPropertyExists(key, value, fetchedProps);
+}
+
+export async function isNftChildOfAnother(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number,
+    parentNft: NftIdTuple
+): Promise<boolean> {
+    return (await getChildren(api, parentNft[0], parentNft[1]))
+        .find((childNft) => {
+            return childNft.collectionId.toNumber() === collectionId
+                && childNft.nftId.toNumber() === nftId;
+        }) !== undefined;
+}
+
+export function isTxResultSuccess(events: EventRecord[]): boolean {
+    let success = false;
+
+    events.forEach(({event: {data, method, section}}) => {
+        if (method == 'ExtrinsicSuccess') {
+            success = true;
+        }
+    });
+
+    return success;
+}
+
+export async function expectTxFailure(expectedError: RegExp, promise: Promise<any>) {
+    await expect(promise).to.be.rejectedWith(expectedError);
+}
+
+export function extractTxResult<T>(
+    events: EventRecord[],
+    expectSection: string,
+    expectMethod: string,
+    extractAction: (data: any) => T
+): TxResult<T> {
+    let success = false;
+    let successData = null;
+    events.forEach(({event: {data, method, section}}) => {
+        if (method == 'ExtrinsicSuccess') {
+            success = true;
+        } else if ((expectSection == section) && (expectMethod == method)) {
+            successData = extractAction(data);
+        }
+    });
+    const result: TxResult<T> = {
+        success,
+        successData,
+    };
+    return result;
+}
+
+export function extractRmrkCoreTxResult<T>(
+    events: EventRecord[],
+    expectMethod: string,
+    extractAction: (data: GenericEventData) => T
+): TxResult<T> {
+    return extractTxResult(events, 'rmrkCore', expectMethod, extractAction);
+}
+
+export function extractRmrkEquipTxResult<T>(
+    events: EventRecord[],
+    expectMethod: string,
+    extractAction: (data: GenericEventData) => T
+): TxResult<T> {
+    return extractTxResult(events, 'rmrkEquip', expectMethod, extractAction);
+}
+
+export async function findResourceById(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number,
+    resourceId: number,
+): Promise<ResourceInfo> {
+    const resources = await getResources(api, collectionId, nftId);
+
+    let resource = null;
+
+    for (let i = 0; i < resources.length; i++) {
+        const res = resources[i];
+
+        if (res.id.eq(resourceId)) {
+            resource = res;
+            break;
+        }
+    }
+
+    return resource!;
+}
+
+export async function getResourceById(
+    api: ApiPromise,
+    collectionId: number,
+    nftId: number,
+    resourceId: number,
+): Promise<ResourceInfo> {
+    const resource = await findResourceById(
+        api,
+        collectionId,
+        nftId,
+        resourceId,
+    );
+
+    expect(resource !== null, 'Error: resource was not found').to.be.true;
+
+    return resource!;
+}
+
+export function checkResourceStatus(
+    resource: ResourceInfo,
+    expectedStatus: "pending" | "added"
+) {
+    expect(resource.pending.isTrue, `Error: added resource should be ${expectedStatus}`)
+          .to.be.equal(expectedStatus === "pending");
+}
addedtests/src/rmrk/util/tx.tsdiffbeforeafterboth
after · tests/src/rmrk/util/tx.ts
1import { ApiPromise } from "@polkadot/api";2import { Bytes, Option, u32, Vec } from '@polkadot/types-codec';3import {4  RmrkTraitsNftAccountIdOrCollectionNftTuple as NftOwner, RmrkTraitsPartEquippableList as EquippableList,5  RmrkTraitsPartPartType as PartType, RmrkTraitsResourceBasicResource as BasicResource,6  RmrkTraitsResourceComposableResource as ComposableResource, RmrkTraitsResourceResourceInfo as ResourceInfo, RmrkTraitsResourceSlotResource as SlotResource, RmrkTraitsTheme as Theme7} from "@polkadot/types/lookup";8import { IKeyringPair } from "@polkadot/types/types";9import chai from 'chai';10import chaiAsPromised from 'chai-as-promised';11import '../../interfaces/augment-api';12import privateKey from "../../substrate/privateKey";13import { executeTransaction } from "../../substrate/substrate-api";14import {15  getBase,16  getCollection,17  getCollectionsCount,18  getEquippableList,19  getNft,20  getParts,21  getResources, 22  getResourcePriority, 23  getTheme,24  NftIdTuple25} from "./fetch";26import {27  extractRmrkCoreTxResult,28  extractRmrkEquipTxResult, isCollectionPropertyExists, isNftOwnedBy, isNftPropertyExists, isTxResultSuccess, makeNftOwner,29  findResourceById, getResourceById, checkResourceStatus30} from "./helpers";3132chai.use(chaiAsPromised);33const expect = chai.expect;3435export async function createCollection(36    api: ApiPromise,37    issuerUri: string,38    metadata: string,39    max: number | null,40    symbol: string41  ): Promise<number> {42    let collectionId = 0;4344    const oldCollectionCount = await getCollectionsCount(api);45    const maxOptional = max ? max.toString() : null;46    const ss58Format = (api.registry.getChainProperties())!.toJSON().ss58Format;47    const issuer = privateKey(issuerUri, Number(ss58Format));48    const tx = api.tx.rmrkCore.createCollection(metadata, maxOptional, symbol);49    const events = await executeTransaction(api, issuer, tx);5051    const collectionResult = extractRmrkCoreTxResult(52        events, 'CollectionCreated', (data) => {53            return parseInt(data[1].toString(), 10)54        }55    );56    expect(collectionResult.success, 'Error: unable to create a collection').to.be.true;5758    collectionId = collectionResult.successData!;5960    const newCollectionCount = await getCollectionsCount(api);61    const collectionOption = await getCollection(api, collectionId);6263    expect(newCollectionCount).to.be.equal(oldCollectionCount + 1, 'Error: NFT collection count should increase');64    expect(collectionOption.isSome, 'Error: unable to fetch created NFT collection').to.be.true;6566    const collection = collectionOption.unwrap();6768    expect(collection.metadata.toUtf8()).to.be.equal(metadata, "Error: Invalid NFT collection metadata");69    expect(collection.max.isSome).to.be.equal(max !== null, "Error: Invalid NFT collection max");7071    if (collection.max.isSome) {72        expect(collection.max.unwrap().toNumber()).to.be.equal(max, "Error: Invalid NFT collection max");73    }74    expect(collection.symbol.toUtf8()).to.be.equal(symbol, "Error: Invalid NFT collection's symbol");75    expect(collection.nftsCount.toNumber()).to.be.equal(0, "Error: NFT collection shoudn't have any tokens");76    expect(collection.issuer.toString()).to.be.equal(issuer.address, "Error: Invalid NFT collection issuer");7778    return collectionId;79}8081export async function changeIssuer(82    api: ApiPromise,83    issuerUri: string,84    collectionId: number,85    newIssuer: string86) {87    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;88    const alice = privateKey(issuerUri, Number(ss58Format));89    const bob = privateKey(newIssuer, Number(ss58Format));9091    // This is only needed when RMRK uses `uniques` pallet by Parity92    // let tx = api.tx.uniques.setAcceptOwnership(93    //     api.createType('Option<u32>', collectionId)94    // );95    // let events = await executeTransaction(api, bob, tx);96    // expect(isTxResultSuccess(events), 'Error: Unable to accept ownership').to.be.true;9798    const tx = api.tx.rmrkCore.changeCollectionIssuer(collectionId, bob.address);99    const events = await executeTransaction(api, alice, tx);100    const changeIssuerResult = extractRmrkCoreTxResult(101        events, 'IssuerChanged', (data) => {102            return parseInt(data[2].toString(), 10);103        }104    );105    expect(changeIssuerResult.success, 'Error: Unable to change NFT collection issuer').to.be.true;106    expect(changeIssuerResult.successData!, 'Error: Invalid collection id after changing the issuer')107        .to.be.eq(collectionId);108109    await getCollection(api, collectionId).then((collectionOption) => {110        const collection = collectionOption.unwrap();111        expect(collection.issuer.toString())112            .to.be.deep.eq(bob.address, 'Error: Invalid NFT collection issuer');113    });114}115116export async function deleteCollection(117    api: ApiPromise,118    issuerUri: string,119    collectionId: string120): Promise<number> {121    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;122    const issuer = privateKey(issuerUri, Number(ss58Format));123    const tx = api.tx.rmrkCore.destroyCollection(collectionId);124    const events = await executeTransaction(api, issuer, tx);125126    const collectionTxResult = extractRmrkCoreTxResult(127        events,128        "CollectionDestroy",129        (data) => {130        return parseInt(data[1].toString(), 10);131        }132    );133    expect(collectionTxResult.success, 'Error: Unable to delete NFT collection').to.be.true;134135    const collection = await getCollection(136        api,137        parseInt(collectionId, 10)138    );139    expect(collection.isEmpty, 'Error: NFT collection should be deleted').to.be.true;140141    return 0;142}143144export async function negativeDeleteCollection(145    api: ApiPromise,146    issuerUri: string,147    collectionId: string148): Promise<number> {149    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;150    const issuer = privateKey(issuerUri, Number(ss58Format));151    const tx = api.tx.rmrkCore.destroyCollection(collectionId);152    await expect(executeTransaction(api, issuer, tx)).to.be.rejected;153154    return 0;155}156157export async function setNftProperty(158    api: ApiPromise,159    issuerUri: string,160    collectionId: number,161    nftId: number,162    key: string,163    value: string164) {165    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;166    const issuer = privateKey(issuerUri, Number(ss58Format));167    const nftIdOpt = api.createType('Option<u32>', nftId);168    const tx = api.tx.rmrkCore.setProperty(169        collectionId,170        nftIdOpt,171        key,172        value173    );174    const events = await executeTransaction(api, issuer, tx);175176    const propResult = extractRmrkCoreTxResult(177        events, 'PropertySet', (data) => {178            return {179                collectionId: parseInt(data[0].toString(), 10),180                nftId: data[1] as Option<u32>,181                key: data[2] as Bytes,182                value: data[3] as Bytes183            };184        }185    );186187    expect(propResult.success, 'Error: Unable to set NFT property').to.be.true;188    const eventData = propResult.successData!;189    const eventDescription = 'from set NFT property event';190191    expect(eventData.collectionId, 'Error: Invalid collection ID ' + eventDescription)192        .to.be.equal(collectionId);193194    expect(eventData.nftId.eq(nftIdOpt), 'Error: Invalid NFT ID ' + eventDescription)195        .to.be.true;196197    expect(eventData.key.eq(key), 'Error: Invalid property key ' + eventDescription)198        .to.be.true;199200    expect(eventData.value.eq(value), 'Error: Invalid property value ' + eventDescription)201        .to.be.true;202203    expect(204        await isNftPropertyExists(api, collectionId, nftId, key, value),205        'Error: NFT property is not found'206    ).to.be.true;207}208209export async function mintNft(210    api: ApiPromise,211    issuerUri: string,212    ownerUri: string | null,213    collectionId: number,214    metadata: string,215    recipientUri: string | null = null,216    royalty: number | null = null,217    transferable: boolean = true,218    resources: {basic?: any, composable?: any, slot?: any}[] | null = null219): Promise<number> {220    let nftId = 0;221    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;222    const issuer = privateKey(issuerUri, Number(ss58Format));223    const owner = ownerUri ? privateKey(ownerUri, Number(ss58Format)).address : null;224    const recipient = recipientUri ? privateKey(recipientUri, Number(ss58Format)).address : null;225    const royaltyOptional = royalty ? royalty.toString() : null;226227    const actualOwnerUri = ownerUri ? ownerUri : issuerUri;228    const actualOwnerAddress = ownerUri ? owner : issuer.address;229230    const collectionOpt = await getCollection(api, collectionId);231232    const tx = api.tx.rmrkCore.mintNft(233        owner,234        collectionId,235        recipient,236        royaltyOptional,237        metadata,238        transferable,239        resources,240    );241242    const events = await executeTransaction(api, issuer, tx);243    const nftResult = extractRmrkCoreTxResult(244        events, 'NftMinted', (data) => {245            return parseInt(data[2].toString(), 10);246        }247    );248249    expect(nftResult.success, 'Error: Unable to mint NFT').to.be.true;250251    const newCollectionNftsCount = (await getCollection(api, collectionId))252        .unwrap()253        .nftsCount254        .toNumber();255256    const oldCollectionNftsCount = collectionOpt257      .unwrap()258      .nftsCount.toNumber();259260    expect(newCollectionNftsCount, 'Error: NFTs count should increase')261        .to.be.equal(oldCollectionNftsCount + 1);262263    nftId = nftResult.successData!;264265    const nftOption = await getNft(api, collectionId, nftId);266267    expect(nftOption.isSome, 'Error: Unable to fetch created NFT').to.be.true;268269    const nft = nftOption.unwrap();270271    expect(nft.owner.isAccountId, 'Error: NFT owner should be some user').to.be.true;272    expect(nft.owner.asAccountId.toString()).to.be.equal(actualOwnerAddress, "Error: Invalid NFT owner");273274    const isOwnedInUniques = await isNftOwnedBy(api, actualOwnerUri, collectionId, nftId);275    expect(isOwnedInUniques, `Error: created NFT is not actually owned by ${ownerUri}`)276        .to.be.true;277278    if (recipient === null && royalty === null) {279        expect(nft.royalty.isNone, 'Error: Invalid NFT recipient')280            .to.be.true;281    } else {282        expect(nft.royalty.isSome, 'Error: NFT royalty not found')283            .to.be.true;284285        const nftRoyalty = nft.royalty.unwrap();286        expect(nftRoyalty.recipient.eq(recipient), 'Error: Invalid NFT recipient')287            .to.be.true;288289        expect(nftRoyalty.amount.eq(royalty), 'Error: Invalid NFT royalty')290            .to.be.true;291    }292293    expect(nft.metadata.toUtf8()).to.be.equal(metadata, "Error: Invalid NFT metadata");294    295    const nftResources = await getResources(api, collectionId, nftId);296    if (resources == null) {297        expect(nftResources, 'Error: Invalid NFT resources').to.be.empty;298    } else {299        expect(nftResources.length).to.be.equal(resources.length);300301        for (let i = 0; i < resources.length; i++) {302            let successFindingResource = false;303            const resource = resources[i];304            // try to find the matching resource from the query305            for (let j = 0; j < nftResources.length && !successFindingResource; j++) {306                const nftResourceData = nftResources[j].toHuman();307                expect(nftResourceData.hasOwnProperty('resource'), `Error: Corrupted resource data on resource #${i}`);308                const nftResource = nftResourceData.resource!;309                type NftResourceKey = keyof typeof nftResource;310311                let typedResource = null;312                let typedNftResource = null;313314                if (resource.basic && nftResource.hasOwnProperty("Basic")) {315                    typedResource = resource.basic!;316                    typedNftResource = nftResource["Basic" as NftResourceKey]!;317                } else if (resource.composable && nftResource.hasOwnProperty("Composable")) {318                    typedResource = resource.composable!;319                    typedNftResource = nftResource["Composable" as NftResourceKey]! as any;320                    if (typedResource.parts != undefined && typedResource.parts.toString() != typedNftResource.parts.toString()321                        || typedResource.base != typedNftResource.base && typedResource.base != undefined) {322                        continue;323                    }324                } else if (resource.slot && nftResource.hasOwnProperty("Slot")) {325                    typedResource = resource.slot!;326                    typedNftResource = nftResource["Slot" as NftResourceKey]! as any;327                    if (typedResource.slot != typedNftResource.slot && typedResource.slot != undefined 328                        || typedResource.base != typedNftResource.base && typedResource.base != undefined) {329                        continue;330                    }331                } else {332                    continue;333                }334335                if (typedResource.src != typedNftResource.src 336                    || typedResource.metadata != typedNftResource.metadata 337                    || typedResource.thumb != typedNftResource.thumb338                    || typedResource.license != typedNftResource.license339                ) {340                    continue;341                }342343                // do final checks since this is now established to be the resource we seek344                expect(nftResourceData.pending, `Error: Resource #${i} is pending`).to.be.false;345                expect(nftResourceData.pendingRemoval, `Error: Resource #${i} is pending removal`).to.be.false;346347                // remove the matching resource from the resources we check348                nftResources.splice(j, 1);349                successFindingResource = true;350            };351352            expect(successFindingResource, `Error: Couldn't find resource #${i}'s counterpart among the returned`).to.be.true;353        }354    }355356    return nftId;357}358359export async function sendNft(360    api: ApiPromise,361    expectedStatus: "pending" | "sent",362    originalOwnerUri: string,363    collectionId: number,364    nftId: number,365    newOwner: string | NftIdTuple366) {367    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;368    const originalOwner = privateKey(originalOwnerUri, Number(ss58Format));369    const newOwnerObj = makeNftOwner(api, newOwner);370371    const nftBeforeSendingOpt = await getNft(api, collectionId, nftId);372373    const tx = api.tx.rmrkCore.send(collectionId, nftId, newOwnerObj);374    const events = await executeTransaction(api, originalOwner, tx);375376    const sendResult = extractRmrkCoreTxResult(events, "NFTSent", (data) => {377        return {378            dstOwner: data[1] as NftOwner,379            collectionId: parseInt(data[2].toString(), 10),380            nftId: parseInt(data[3].toString(), 10)381        };382    });383384    expect(sendResult.success, 'Error: Unable to send NFT').to.be.true;385    const sendData = sendResult.successData!;386387    expect(sendData.dstOwner.eq(newOwnerObj), 'Error: Invalid target user (from event data)')388        .to.be.true;389390    expect(sendData.collectionId)391        .to.be.equal(collectionId, 'Error: Invalid collection ID (from event data)');392393    expect(sendData.nftId).to.be.equal(nftId, 'Error: Invalid NFT ID (from event data)');394395    expect(nftBeforeSendingOpt.isSome, 'Error: Unable to fetch NFT before sending').to.be.true;396397    const nftBeforeSending = nftBeforeSendingOpt.unwrap();398399    const nftAfterSendingOpt = await getNft(api, collectionId, nftId);400401    expect(nftAfterSendingOpt.isSome, 'Error: Unable to fetch NFT after sending').to.be.true;402403    const nftAfterSending = nftAfterSendingOpt.unwrap();404405    const isOwnedByNewOwner = await isNftOwnedBy(api, newOwner, collectionId, nftId);406    const isPending = expectedStatus === "pending";407408    expect(409        isOwnedByNewOwner,410        `Error: The NFT should be owned by ${newOwner.toString()}`411    ).to.be.true;412413    expect(nftAfterSending.royalty.eq(nftBeforeSending.royalty), 'Error: Invalid NFT royalty after sending')414        .to.be.true;415416    expect(nftAfterSending.metadata.eq(nftBeforeSending.metadata), 'Error: Invalid NFT metadata after sending')417        .to.be.true;418419    expect(nftAfterSending.equipped.eq(nftBeforeSending.equipped), 'Error: Invalid NFT equipped status after sending')420        .to.be.true;421422    expect(nftAfterSending.pending.eq(isPending), 'Error: Invalid NFT pending state')423        .to.be.true;424}425426export async function acceptNft(427    api: ApiPromise,428    issuerUri: string,429    collectionId: number,430    nftId: number,431    newOwner: string | [number, number]432) {433    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;434    const issuer = privateKey(issuerUri, Number(ss58Format));435    const newOwnerObj = makeNftOwner(api, newOwner);436437    let nftBeforeOpt = await getNft(api, collectionId, nftId);438439    const tx = api.tx.rmrkCore.acceptNft(collectionId, nftId, newOwnerObj);440    const events = await executeTransaction(api, issuer, tx);441442    const acceptResult = extractRmrkCoreTxResult(events, "NFTAccepted", (data) => {443        return {444            recipient: data[1] as NftOwner,445            collectionId: parseInt(data[2].toString(), 10),446            nftId: parseInt(data[3].toString(), 10)447        };448    });449450    expect(acceptResult.success, 'Error: Unable to accept NFT').to.be.true;451    const acceptData = acceptResult.successData!;452453    expect(acceptData.recipient.eq(newOwnerObj), 'Error: Invalid NFT recipient (from event data)')454        .to.be.true;455456    expect(acceptData.collectionId)457        .to.be.equal(collectionId, 'Error: Invalid collection ID (from event data)');458459    expect(acceptData.nftId)460        .to.be.equal(nftId, 'Error: Invalid NFT ID (from event data)');461462    const nftBefore = nftBeforeOpt.unwrap();463464    const isPendingBeforeAccept = nftBefore.pending.isTrue;465466    const nftAfter = (await getNft(api, collectionId, nftId)).unwrap();467    const isPendingAfterAccept = nftAfter.pending.isTrue;468469    expect(isPendingBeforeAccept, 'Error: NFT should be pending to be accepted')470        .to.be.true;471472    expect(isPendingAfterAccept, 'Error: NFT should NOT be pending after accept')473        .to.be.false;474475    const isOwnedInUniques = await isNftOwnedBy(api, newOwner, collectionId, nftId);476    expect(isOwnedInUniques, `Error: created NFT is not actually owned by ${newOwner.toString()}`)477        .to.be.true;478}479480export async function rejectNft(481    api: ApiPromise,482    issuerUri: string,483    collectionId: number,484    nftId: number,485) {486    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;487    const issuer = privateKey(issuerUri, Number(ss58Format));488    let nftBeforeOpt = await getNft(api, collectionId, nftId);489490    const tx = api.tx.rmrkCore.rejectNft(collectionId, nftId);491    const events = await executeTransaction(api, issuer, tx);492    const rejectResult = extractRmrkCoreTxResult(events, "NFTRejected", (data) => {493        return {494            collectionId: parseInt(data[1].toString(), 10),495            nftId: parseInt(data[2].toString(), 10)496        };497    });498499    const rejectData = rejectResult.successData!;500501    expect(rejectData.collectionId)502        .to.be.equal(collectionId, 'Error: Invalid collection ID (from event data)');503504    expect(rejectData.nftId)505        .to.be.equal(nftId, 'Error: Invalid NFT ID (from event data)');506507    const nftBefore = nftBeforeOpt.unwrap();508509    const isPendingBeforeReject = nftBefore.pending.isTrue;510511    const nftAfter = await getNft(api, collectionId, nftId);512513    expect(isPendingBeforeReject, 'Error: NFT should be pending to be rejected')514        .to.be.true;515516    expect(nftAfter.isNone, 'Error: NFT should be burned after reject')517        .to.be.true;518}519520export async function createBase(521    api: ApiPromise,522    issuerUri: string,523    baseType: string,524    symbol: string,525    parts: object[]526): Promise<number> {527    let baseId = 0;528    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;529    const issuer = privateKey(issuerUri, Number(ss58Format));530531    const partTypes = api.createType("Vec<RmrkTraitsPartPartType>", parts) as Vec<PartType>;532533    const tx = api.tx.rmrkEquip.createBase(baseType, symbol, partTypes);534    const events = await executeTransaction(api, issuer, tx);535536    const baseResult = extractRmrkEquipTxResult(537        events, 'BaseCreated', (data) => {538            return parseInt(data[1].toString(), 10);539        }540    );541542    expect(baseResult.success, 'Error: Unable to create Base')543        .to.be.true;544545    baseId = baseResult.successData!;546    const baseOptional = await getBase(api, baseId);547548    expect(baseOptional.isSome, 'Error: Unable to fetch created Base')549        .to.be.true;550551    const base = baseOptional.unwrap();552    const baseParts = await getParts(api, baseId);553554    expect(base.issuer.toString()).to.be.equal(issuer.address, "Error: Invalid Base issuer");555    expect(base.baseType.toUtf8()).to.be.equal(baseType, "Error: Invalid Base type");556    expect(base.symbol.toUtf8()).to.be.equal(symbol, "Error: Invalid Base symbol");557    expect(partTypes.eq(baseParts), "Error: Received invalid base parts").to.be.true;558559    return baseId;560}561562export async function setResourcePriorities(563    api: ApiPromise,564    issuerUri: string,565    collectionId: number,566    nftId: number,567    priorities: number[]568) {569    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;570    const issuer = privateKey(issuerUri, Number(ss58Format));571572    const prioritiesVec = api.createType('Vec<u32>', priorities);573    const tx = api.tx.rmrkCore.setPriority(collectionId, nftId, prioritiesVec);574    const events = await executeTransaction(api, issuer, tx);575576    const prioResult = extractRmrkCoreTxResult(events, 'PrioritySet', (data) => {577        return {578            collectionId: parseInt(data[0].toString(), 10),579            nftId: parseInt(data[1].toString(), 10)580        };581    });582583    expect(prioResult.success, 'Error: Unable to set resource priorities').to.be.true;584    const eventData = prioResult.successData!;585586    expect(eventData.collectionId)587        .to.be.equal(collectionId, 'Error: Invalid collection ID (set priorities event data)');588589    expect(eventData.nftId).to.be.equal(nftId, 'Error: Invalid NFT ID (set priorities event data');590591    for (var i = 0; i < priorities.length; i++) {592        const resourceId = priorities[i];593594        const fetchedPrio = await getResourcePriority(api, collectionId, nftId, resourceId);595        expect(fetchedPrio).to.be.equal(i, 'Error: Invalid priorities are set');596    }597598}599600export async function setEquippableList(601    api: ApiPromise,602    issuerUri: string,603    baseId: number,604    slotId: number,605    equippableList: "All" | "Empty" | { 'Custom': number[] }606) {607    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;608    const issuer = privateKey(issuerUri, Number(ss58Format));609    const equippable = api.createType('RmrkTraitsPartEquippableList', equippableList) as EquippableList;610611    const tx = api.tx.rmrkEquip.equippable(baseId, slotId, equippable);612    const events = await executeTransaction(api, issuer, tx);613614    const equipListResult = extractRmrkEquipTxResult(events, 'EquippablesUpdated', (data) => {615        return {616            baseId: parseInt(data[0].toString(), 10),617            slotId: parseInt(data[1].toString(), 10)618        };619    });620621    expect(equipListResult.success, 'Error: unable to update equippable list').to.be.true;622    const updateEvent = equipListResult.successData!;623624    expect(updateEvent.baseId)625        .to.be.equal(baseId, 'Error: invalid base ID from update equippable event');626627    expect(updateEvent.slotId)628        .to.be.equal(slotId, 'Error: invalid base ID from update equippable event');629630    const fetchedEquippableList = await getEquippableList(api, baseId, slotId);631632    expect(fetchedEquippableList, 'Error: unable to fetch equippable list').to.be.not.null;633    if (fetchedEquippableList) {634        expect(fetchedEquippableList)635            .to.be.deep.equal(equippableList, 'Error: invalid equippable list was set');636    }637}638639export async function addTheme(640    api: ApiPromise,641    issuerUri: string,642    baseId: number,643    themeObj: object,644    filterKeys: string[] | null = null645) {646    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;647    const issuer = privateKey(issuerUri, Number(ss58Format));648    const theme = api.createType('RmrkTraitsTheme', themeObj) as Theme;649650    const tx = api.tx.rmrkEquip.themeAdd(baseId, theme);651    const events = await executeTransaction(api, issuer, tx);652653    expect(isTxResultSuccess(events), 'Error: Unable to add Theme').to.be.true;654655    const fetchedThemeOpt = await getTheme(api, baseId, theme.name.toUtf8(), null);656657    expect(fetchedThemeOpt.isSome, 'Error: Unable to fetch theme').to.be.true;658659    const fetchedTheme = fetchedThemeOpt.unwrap();660661    expect(theme.name.eq(fetchedTheme.name), 'Error: Invalid theme name').to.be.true;662663    for (var i = 0; i < theme.properties.length; i++) {664        const property = theme.properties[i];665        const propertyKey = property.key.toUtf8();666667        const propertyFoundCount = fetchedTheme.properties.filter(668            (fetchedProp) => property.key.eq(fetchedProp.key)669        ).length;670671        expect(propertyFoundCount > 1, `Error: Too many properties with key ${propertyKey} found`)672            .to.be.false;673674        if (filterKeys) {675            const isFiltered = fetchedTheme.properties.find(676                (fetchedProp) => fetchedProp.key.eq(property.key)677            ) === undefined;678679            if (isFiltered) {680                expect(propertyFoundCount === 0, `Error: Unexpected filtered key ${propertyKey}`)681                    .to.be.true;682                continue;683            }684        }685686        expect(propertyFoundCount === 1, `Error: The property with key ${propertyKey} is not found`)687            .to.be.true;688    }689}690691export async function lockCollection(692  api: ApiPromise,693  issuerUri: string,694  collectionId: number,695  max: number = 0696) {697  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;698  const issuer = privateKey(issuerUri, Number(ss58Format));699  const tx = api.tx.rmrkCore.lockCollection(collectionId);700  const events = await executeTransaction(api, issuer, tx);701  const lockResult = extractRmrkCoreTxResult(702      events, 'CollectionLocked', (data) => {703          return parseInt(data[1].toString(), 10);704      }705  );706  expect(lockResult.success, 'Error: Unable to lock a collection').to.be.true;707  expect(lockResult.successData!, 'Error: Invalid collection was locked')708      .to.be.eq(collectionId);709710  await getCollection(api, collectionId).then((collectionOption) => {711    const collection = collectionOption.unwrap();712    expect(collection.max.unwrap().toNumber()).to.be.equal(max);713  });714}715716export async function setPropertyCollection(717  api: ApiPromise,718  issuerUri: string,719  collectionId: number,720  key: string,721  value: string722) {723  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;724  const alice = privateKey(issuerUri, Number(ss58Format));725726  const tx = api.tx.rmrkCore.setProperty(collectionId, null, key, value);727  const events = await executeTransaction(api, alice, tx);728  const propResult = extractRmrkCoreTxResult(729        events, 'PropertySet', (data) => {730            return {731                collectionId: parseInt(data[0].toString(), 10),732                nftId: data[1] as Option<u32>,733                key: data[2] as Bytes,734                value: data[3] as Bytes735            };736        }737    );738739  expect(propResult.success, 'Error: Unable to set collection property').to.be.true;740  const eventData = propResult.successData!;741  const eventDescription = 'from set collection property event';742743  expect(eventData.collectionId, 'Error: Invalid collection ID ' + eventDescription)744    .to.be.equal(collectionId);745746  expect(eventData.nftId.eq(null), 'Error: Unexpected NFT ID ' + eventDescription)747    .to.be.true;748749  expect(eventData.key.eq(key), 'Error: Invalid property key ' + eventDescription)750    .to.be.true;751752  expect(eventData.value.eq(value), 'Error: Invalid property value ' + eventDescription)753    .to.be.true;754755  expect(await isCollectionPropertyExists(api, collectionId, key, value))756    .to.be.true;757}758759export async function burnNft(760  api: ApiPromise,761  issuerUri: string,762  collectionId: number,763  nftId: number764) {765  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;766  const issuer = privateKey(issuerUri, Number(ss58Format));767  const maxBurns = 10;768  const tx = api.tx.rmrkCore.burnNft(collectionId, nftId, maxBurns);769  const events = await executeTransaction(api, issuer, tx);770  const burnResult = extractRmrkCoreTxResult(771    events, 'NFTBurned', (data) => {772      return parseInt(data[1].toString(), 10);773    }774  );775776  expect(burnResult.success, 'Error: Unable to burn an NFT').to.be.true;777  expect(burnResult.successData!, 'Error: Invalid NFT was burned')778    .to.be.eq(nftId);779780  const nftBurned = await getNft(api, collectionId, nftId);781  expect(nftBurned.isSome).to.be.false;782}783784export async function acceptNftResource(785    api: ApiPromise,786    issuerUri: string,787    collectionId: number,788    nftId: number,789    resourceId: number,790) {791    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;792    const issuer = privateKey(issuerUri, Number(ss58Format));793794    const tx = api.tx.rmrkCore.acceptResource(795        collectionId,796        nftId,797        resourceId,798    );799800    const events = await executeTransaction(api, issuer, tx);801    const acceptResult = extractRmrkCoreTxResult(802        events, 'ResourceAccepted', (data) => {803            return {804                nftId: parseInt(data[0].toString(), 10),805                resourceId: parseInt(data[1].toString(), 10)806            };807        }808    )809810    expect(acceptResult.success, 'Error: Unable to accept a resource').to.be.true;811    expect(acceptResult.successData!.nftId, 'Error: Invalid NFT ID while accepting a resource')812        .to.be.eq(nftId);813    expect(acceptResult.successData!.resourceId, 'Error: Invalid resource ID while accepting a resource')814        .to.be.eq(resourceId);815816    const resource = await getResourceById(api, collectionId, nftId, resourceId);817    checkResourceStatus(resource, "added");818}819820async function executeResourceCreation(821    api: ApiPromise,822    issuer: IKeyringPair,823    tx: any,824    collectionId: number,825    nftId: number,826    expectedStatus: "pending" | "added"827): Promise<ResourceInfo> {828    const events = await executeTransaction(api, issuer, tx);829830    const resourceResult = extractRmrkCoreTxResult(831        events, 'ResourceAdded', (data) => {832            return parseInt(data[1].toString(), 10);833        }834    );835    expect(resourceResult.success, 'Error: Unable to add resource').to.be.true;836    const resourceId = resourceResult.successData!;837838    const resource = await getResourceById(api, collectionId, nftId, resourceId);839    checkResourceStatus(resource, expectedStatus);840841    return resource;842}843844export async function addNftBasicResource(845    api: ApiPromise,846    issuerUri: string,847    expectedStatus: "pending" | "added",848    collectionId: number,849    nftId: number,850    src: string | null,851    metadata: string | null,852    license: string | null,853    thumb: string | null854): Promise<number> {855    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;856    const issuer = privateKey(issuerUri, Number(ss58Format));857858    const basicResource = api.createType('RmrkTraitsResourceBasicResource', {859        src: src,860        metadata: metadata,861        license: license,862        thumb: thumb863    }) as BasicResource;864865    const tx = api.tx.rmrkCore.addBasicResource(866        collectionId,867        nftId,868        basicResource869    );870871    const resource = await executeResourceCreation(api, issuer, tx, collectionId, nftId, expectedStatus);872873    // FIXME A workaround. It seems it is a PolkadotJS bug.874    // All of the following are `false`.875    //876    // console.log('>>> basic:', resource.resource.isBasic);877    // console.log('>>> composable:', resource.resource.isComposable);878    // console.log('>>> slot:', resource.resource.isSlot);879    const resourceJson = resource.resource.toHuman() as any;880881    expect(resourceJson.hasOwnProperty('Basic'), 'Error: Expected basic resource type')882        .to.be.true;883884    const recvBasicRes = resourceJson['Basic'];885886    expect(recvBasicRes.src, 'Error: Invalid basic resource src')887      .to.be.eq(src);888    expect(recvBasicRes.metadata, 'Error: basic first resource metadata')889      .to.be.eq(metadata);890    expect(recvBasicRes.license, 'Error: basic first resource license')891      .to.be.eq(license);892    expect(recvBasicRes.thumb, 'Error: basic first resource thumb')893      .to.be.eq(thumb);894895    return resource.id.toNumber();896}897898export async function addNftComposableResource(899    api: ApiPromise,900    issuerUri: string,901    expectedStatus: "pending" | "added",902    collectionId: number,903    nftId: number,904    parts: number[],905    baseId: number,906    src: string | null,907    metadata: string | null,908    license: string | null,909    thumb: string | null910): Promise<number> {911    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;912    const issuer = privateKey(issuerUri, Number(ss58Format));913914    const composableResource = api.createType('RmrkTraitsResourceComposableResource', {915        parts: parts, // api.createType('Vec<u32>', parts),916        base: baseId,917        src: src,918        metadata: metadata,919        license: license,920        thumb: thumb921    }) as ComposableResource;922923    const tx = api.tx.rmrkCore.addComposableResource(924        collectionId,925        nftId,926        composableResource927    );928929    const resource = await executeResourceCreation(api, issuer, tx, collectionId, nftId, expectedStatus);930931    // FIXME A workaround. It seems it is a PolkadotJS bug.932    // All of the following are `false`.933    //934    // console.log('>>> basic:', resource.resource.isBasic);935    // console.log('>>> composable:', resource.resource.isComposable);936    // console.log('>>> slot:', resource.resource.isSlot);937    const resourceJson = resource.resource.toHuman() as any;938939    expect(resourceJson.hasOwnProperty('Composable'), 'Error: Expected composable resource type')940        .to.be.true;941942    const recvComposableRes = resourceJson['Composable'];943944    expect(recvComposableRes.parts.toString(), 'Error: Invalid composable resource parts')945      .to.be.eq(parts.toString());946    expect(recvComposableRes.base, 'Error: Invalid composable resource base id')947      .to.be.eq(baseId.toString());948    expect(recvComposableRes.src, 'Error: Invalid composable resource src')949      .to.be.eq(src);950    expect(recvComposableRes.metadata, 'Error: Invalid composable resource metadata')951      .to.be.eq(metadata);952    expect(recvComposableRes.license, 'Error: Invalid composable resource license')953      .to.be.eq(license);954    expect(recvComposableRes.thumb, 'Error: Invalid composable resource thumb')955      .to.be.eq(thumb);956957    return resource.id.toNumber();958}959960export async function addNftSlotResource(961  api: ApiPromise,962  issuerUri: string,963  expectedStatus: "pending" | "added",964  collectionId: number,965  nftId: number,966  baseId: number,967  slotId: number,968  src: string | null,969  metadata: string | null,970  license: string | null,971  thumb: string | null972): Promise<number>  {973  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;974  const issuer = privateKey(issuerUri, Number(ss58Format));975976  const slotResource = api.createType('RmrkTraitsResourceSlotResource', {977      base: baseId,978      src: src,979      metadata,980      slot: slotId,981      license: license,982      thumb: thumb983  }) as SlotResource;984985  const tx = api.tx.rmrkCore.addSlotResource(986    collectionId,987    nftId,988    slotResource989  );990991  const resource = await executeResourceCreation(api, issuer, tx, collectionId, nftId, expectedStatus);992993  // FIXME A workaround. It seems it is a PolkadotJS bug.994  // All of the following are `false`.995  //996  // console.log('>>> basic:', resource.resource.isBasic);997  // console.log('>>> composable:', resource.resource.isComposable);998  // console.log('>>> slot:', resource.resource.isSlot);999  const resourceJson = resource.resource.toHuman() as any;10001001  expect(resourceJson.hasOwnProperty('Slot'), 'Error: Expected slot resource type')1002        .to.be.true;10031004  const recvSlotRes = resourceJson['Slot'];10051006  expect(recvSlotRes.base, 'Error: Invalid slot resource base id')1007    .to.be.eq(baseId.toString());1008  expect(recvSlotRes.slot, 'Error: Invalid slot resource slot id')1009    .to.be.eq(slotId.toString());1010  expect(recvSlotRes.src, 'Error: Invalid slot resource src')1011    .to.be.eq(src);1012  expect(recvSlotRes.metadata, 'Error: Invalid slot resource metadata')1013    .to.be.eq(metadata);1014  expect(recvSlotRes.license, 'Error: Invalid slot resource license')1015    .to.be.eq(license);1016  expect(recvSlotRes.thumb, 'Error: Invalid slot resource thumb')1017    .to.be.eq(thumb);10181019  return resource.id.toNumber();1020}10211022export async function equipNft(1023  api: ApiPromise,1024  issuerUri: string,1025  item: NftIdTuple,1026  equipper: NftIdTuple,1027  resource: number,1028  base: number,1029  slot: number1030) {1031  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;1032  const issuer = privateKey(issuerUri, Number(ss58Format));1033  const tx = api.tx.rmrkEquip.equip(item, equipper, resource, base, slot);1034  const events = await executeTransaction(api, issuer, tx);1035  const equipResult = extractRmrkEquipTxResult(1036    events, 'SlotEquipped', (data) => {1037      return {1038        item_collection: parseInt(data[0].toString(), 10),1039        item_nft: parseInt(data[1].toString(), 10),1040        base_id: parseInt(data[2].toString(), 10),1041        slot_id: parseInt(data[3].toString(), 10),1042      };1043    }1044  )1045  expect(equipResult.success, 'Error: Unable to equip an item').to.be.true;1046  expect(equipResult.successData!.item_collection, 'Error: Invalid item collection id')1047    .to.be.eq(item[0]);1048  expect(equipResult.successData!.item_nft, 'Error: Invalid item NFT id')1049    .to.be.eq(item[1]);1050  expect(equipResult.successData!.base_id, 'Error: Invalid base id')1051    .to.be.eq(base);1052  expect(equipResult.successData!.slot_id, 'Error: Invalid slot id')1053    .to.be.eq(slot);1054}10551056export async function unequipNft(1057  api: ApiPromise,1058  issuerUri: string,1059  item: any,1060  equipper: any,1061  resource: number,1062  base: number,1063  slot: number1064) {1065  const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;1066  const issuer = privateKey(issuerUri, Number(ss58Format));1067  const tx = api.tx.rmrkEquip.equip(item, equipper, resource, base, slot);1068  const events = await executeTransaction(api, issuer, tx);10691070  const unEquipResult = extractRmrkEquipTxResult(1071    events,1072    "SlotUnequipped",1073    (data) => {1074      return {1075        item_collection: parseInt(data[0].toString(), 10),1076        item_nft: parseInt(data[1].toString(), 10),1077        base_id: parseInt(data[2].toString(), 10),1078        slot_id: parseInt(data[3].toString(), 10),1079      };1080    }1081  );10821083  expect(unEquipResult.success, 'Error: Unable to unequip an item').to.be.true;1084  expect(unEquipResult.successData!.item_collection, 'Error: Invalid item collection id')1085    .to.be.eq(item[0]);1086  expect(unEquipResult.successData!.item_nft, 'Error: Invalid item NFT id')1087    .to.be.eq(item[1]);1088  expect(unEquipResult.successData!.base_id, 'Error: Invalid base id')1089    .to.be.eq(base);1090  expect(unEquipResult.successData!.slot_id, 'Error: Invalid slot id')1091    .to.be.eq(slot);1092}10931094export async function removeNftResource(1095    api: ApiPromise,1096    expectedStatus: "pending" | "removed",1097    issuerUri: string,1098    collectionId: number,1099    nftId: number,1100    resourceId: number1101) {1102    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;1103    const issuer = privateKey(issuerUri, Number(ss58Format));11041105    const tx = api.tx.rmrkCore.removeResource(collectionId, nftId, resourceId);1106    const events = await executeTransaction(api, issuer, tx);1107    const removeResult = extractRmrkCoreTxResult(1108        events, 'ResourceRemoval', (data) => {1109            return {1110                nftId: parseInt(data[0].toString(), 10),1111                resourceId: parseInt(data[1].toString(), 10)1112            };1113        }1114    )1115    expect(removeResult.success, 'Error: Unable to remove a resource').to.be.true;1116    expect(removeResult.successData!.nftId, 'Error: Invalid NFT Id while removing a resource')1117        .to.be.eq(nftId);1118    expect(removeResult.successData!.resourceId, 'Error: Invalid resource Id while removing a resource')1119        .to.be.eq(resourceId);11201121    let afterDeleting = await findResourceById(api, collectionId, nftId, resourceId);11221123    if (expectedStatus === 'pending') {1124        expect(afterDeleting).not.to.be.null;1125        expect(afterDeleting?.pendingRemoval.isTrue).to.be.equal(true);1126    } else {1127        expect(afterDeleting).to.be.null;1128    }1129}11301131export async function acceptResourceRemoval(1132    api: ApiPromise,1133    issuerUri: string,1134    collectionId: number,1135    nftId: number,1136    resourceId: number1137) {1138    const ss58Format = api.registry.getChainProperties()!.toJSON().ss58Format;1139    const issuer = privateKey(issuerUri, Number(ss58Format));11401141    const tx = api.tx.rmrkCore.acceptResourceRemoval(collectionId, nftId, resourceId);1142    const events = await executeTransaction(api, issuer, tx);1143    const acceptResult = extractRmrkCoreTxResult(1144        events, 'ResourceRemovalAccepted', (data) => {1145            return {1146                nftId: parseInt(data[0].toString(), 10),1147                resourceId: parseInt(data[1].toString(), 10)1148            };1149        }1150    )1151    expect(acceptResult.success, 'Error: Unable to accept a resource').to.be.true;1152    expect(acceptResult.successData!.nftId, 'Error: Invalid NFT Id while accepting a resource')1153        .to.be.eq(nftId);1154    expect(acceptResult.successData!.resourceId, 'Error: Invalid resource Id while accepting a resource')1155        .to.be.eq(resourceId);11561157    let afterDeleting = await findResourceById(api, collectionId, nftId, resourceId);1158    expect(afterDeleting, 'Error: resource deleting failed').to.be.null;1159}
modifiedtests/src/substrate/substrate-api.tsdiffbeforeafterboth
--- a/tests/src/substrate/substrate-api.ts
+++ b/tests/src/substrate/substrate-api.ts
@@ -59,6 +59,17 @@
   };
 }
 
+export async function getApiConnection(settings: ApiOptions | undefined = undefined): Promise<ApiPromise> {
+  settings = settings || defaultApiOptions();
+  let api = new ApiPromise(settings);
+
+  if (api) {
+    await api.isReadyOrError;
+  }
+
+  return api;
+}
+
 export default async function usingApi<T = void>(action: (api: ApiPromise, privateKeyWrapper: (account: string) => IKeyringPair) => Promise<T>, settings: ApiOptions | undefined = undefined): Promise<T> {
   settings = settings || defaultApiOptions();
   const api: ApiPromise = new ApiPromise(settings);