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

no changes

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);