diff --git a/src/ddo/Authentication.ts b/src/ddo/Authentication.ts
index b5e1869..b5c387c 100644
--- a/src/ddo/Authentication.ts
+++ b/src/ddo/Authentication.ts
@@ -1,4 +1,4 @@
 export interface Authentication {
-    public type: string
-    public publicKey: string
+    type: string
+    publicKey: string
 }
diff --git a/src/ddo/Contract.ts b/src/ddo/Contract.ts
index 208f79e..a4b939a 100644
--- a/src/ddo/Contract.ts
+++ b/src/ddo/Contract.ts
@@ -1,4 +1,4 @@
-import Event from "./Event"
+import { Event } from "./Event"
 
 export interface Contract {
     contractName: string
diff --git a/src/ddo/DDO.ts b/src/ddo/DDO.ts
index bf04f9b..07f0130 100644
--- a/src/ddo/DDO.ts
+++ b/src/ddo/DDO.ts
@@ -1,9 +1,9 @@
+import Web3Provider from "../keeper/Web3Provider"
+import * as signatureHelpers from "../utils/SignatureHelpers"
 import { Authentication } from "./Authentication"
+import { Proof } from "./Proof"
 import { PublicKey } from "./PublicKey"
 import { Service } from "./Service"
-import { Proof } from "./Proof"
-import Web3Provider from '../keeper/Web3Provider'
-import * as signatureHelpers from "../utils/SignatureHelpers"
 
 /**
  * DID Descriptor Object.
@@ -86,20 +86,20 @@ export class DDO {
      */
     public getChecksum(): string {
         const web3 = Web3Provider.getWeb3()
-        const {metadata} = this.findServiceByType('Metadata')
+        const {metadata} = this.findServiceByType("Metadata")
         const {files, name, author, license} = metadata.base
 
         const values = [
             ...(files || [])
                 .map(({checksum}) => checksum)
-                .filter(_ => !!_),
+                .filter((_) => !!_),
             name,
             author,
             license,
             this.id,
         ]
 
-        return web3.utils.sha3(values.join(''))
+        return web3.utils.sha3(values.join(""))
     }
 
     /**
@@ -109,7 +109,7 @@ export class DDO {
      * @return {Promise<Proof>}           Proof object.
      */
     public async generateProof(publicKey: string, password?: string): Promise<Proof> {
-        const checksum = this.getChecksum();
+        const checksum = this.getChecksum()
 
         const signature = await signatureHelpers.signText(checksum, publicKey, password)
 
@@ -125,9 +125,9 @@ export class DDO {
      * Generated and adds the checksum.
      */
     public addChecksum(): void {
-        const metadataService = this.findServiceByType('Metadata')
+        const metadataService = this.findServiceByType("Metadata")
         if (metadataService.metadata.base.checksum) {
-            throw new Error('Checksum already exists')
+            throw new Error("Checksum already exists")
         }
         metadataService.metadata.base.checksum = this.getChecksum()
     }
@@ -140,7 +140,7 @@ export class DDO {
      */
     public async addProof(publicKey: string, password?: string): Promise<void> {
         if (this.proof) {
-            throw new Error('Proof already exists')
+            throw new Error("Proof already exists")
         }
         this.proof = await this.generateProof(publicKey, password)
     }
diff --git a/src/ddo/MetaData.ts b/src/ddo/MetaData.ts
index 4d2a299..a3adf2e 100644
--- a/src/ddo/MetaData.ts
+++ b/src/ddo/MetaData.ts
@@ -17,7 +17,7 @@ export class MetaDataBase {
      * @type {string}
      * @example "UK Weather information 2011"
      */
-    name: string
+    public name: string
 
     /**
      * Type of the Asset. Helps to filter by the type of asset,
@@ -25,7 +25,7 @@ export class MetaDataBase {
      * @type {string}
      * @example "dataset"
      */
-    type: "dataset" | "algorithm" | "container" | "workflow" | "other"
+    public type: "dataset" | "algorithm" | "container" | "workflow" | "other"
 
     /**
      * Details of what the resource is. For a dataset, this attribute
@@ -33,28 +33,28 @@ export class MetaDataBase {
      * @type {string}
      * @example "Weather information of UK including temperature and humidity"
      */
-    description?: string
+    public description?: string
 
     /**
      * The date on which the asset was created or was added.
      * @type {string}
      * @example "2012-10-10T17:00:000Z"
      */
-    dateCreated: string
+    public dateCreated: string
 
     /**
      * Size of the asset (e.g. 18MB). In the absence of a unit (MB, kB etc.), kB will be assumed.
      * @type {string}
      * @example "3.1gb"
      */
-    size: string
+    public size: string
 
     /**
      * Name of the entity generating this data (e.g. Tfl, Disney Corp, etc.).
      * @type {string}
      * @example "Met Office"
      */
-    author: string
+    public author: string
 
     /**
      * Short name referencing the license of the asset (e.g. Public Domain, CC-0, CC-BY, No License Specified, etc. ).
@@ -62,35 +62,35 @@ export class MetaDataBase {
      * @type {string}
      * @example "CC-BY"
      */
-    license: string
+    public license: string
 
     /**
      * The party holding the legal copyright. Empty by default.
      * @type {string}
      * @example "Met Office"
      */
-    copyrightHolder?: string
+    public copyrightHolder?: string
 
     /**
      * File encoding.
      * @type {string}
      * @example "UTF-8"
      */
-    encoding?: string
+    public encoding?: string
 
     /**
      * File compression (e.g. no, gzip, bzip2, etc).
      * @type {string}
      * @example "zip"
      */
-    compression?: string
+    public compression?: string
 
     /**
      * File format, if applicable.
      * @type {string}
      * @example "text/csv"
      */
-    contentType: string
+    public contentType: string
 
     /**
      * Example of the concept of this asset. This example is part
@@ -98,14 +98,14 @@ export class MetaDataBase {
      * @type {string}
      * @example "423432fsd,51.509865,-0.118092,2011-01-01T10:55:11+00:00,7.2,68"
      */
-    workExample?: string
+    public workExample?: string
 
     /**
      * List of content URLs resolving the Asset files.
      * @type {string | string[]}
      * @example "https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip"
      */
-    contentUrls: string | string[]
+    public contentUrls: string | string[]
 
     /**
      * Mapping of links for data samples, or links to find out more information.
@@ -124,7 +124,7 @@ export class MetaDataBase {
      *    },
      *  ]
      */
-    links?: {[name: string]: string}[]
+    public links?: Array<{[name: string]: string}>
 
     /**
      * The language of the content. Please use one of the language
@@ -132,7 +132,7 @@ export class MetaDataBase {
      * @type {String}
      * @example "en"
      */
-    inLanguage?: string
+    public inLanguage?: string
 
     /**
      * Keywords or tags used to describe this content. Multiple entries in a keyword
@@ -140,28 +140,28 @@ export class MetaDataBase {
      * @type {String}
      * @example "weather, uk, 2011, temperature, humidity"
      */
-    tags?: string
+    public tags?: string
 
     /**
      * Price of the asset.
      * @type {String}
      * @example 10
      */
-    price: number
+    public price: number
 
     /**
      * Array of File objects including the encrypted file urls and some additional information.
      * @type {File[]}
      */
-    files: File[]
+    public files: File[]
 
     /**
      * SHA3 hash of concatenated values: [list of all file checksums] + name + author + license + did
      * @type {string}
      */
-    checksum: string
+    public checksum: string
 
-    encryptedFiles?: any
+    public encryptedFiles?: any
 }
 
 /**
@@ -210,10 +210,10 @@ export interface AdditionalInformation {
      * describing the dataset.
      * @type {StructuredMarkup[]}
      */
-    structuredMarkup: {
+    structuredMarkup: Array<{
         uri: string
-        mediaType: string
-    }[]
+        mediaType: string,
+    }>
 
     /**
      * Checksum of attributes to be able to compare if there are changes in
diff --git a/src/ddo/PublicKey.ts b/src/ddo/PublicKey.ts
index 08d111c..d459490 100644
--- a/src/ddo/PublicKey.ts
+++ b/src/ddo/PublicKey.ts
@@ -13,7 +13,7 @@ export interface PublicKey {
      * Type of key.
      * @type {string}
      */
-    type: 'Ed25519VerificationKey2018' | 'RsaVerificationKey2018' | 'EdDsaSAPublicKeySecp256k1'
+    type: "Ed25519VerificationKey2018" | "RsaVerificationKey2018" | "EdDsaSAPublicKeySecp256k1"
 
     /**
      * Key owner.
diff --git a/src/examples/BuyAsset.ts b/src/examples/BuyAsset.ts
index 841b274..976760d 100644
--- a/src/examples/BuyAsset.ts
+++ b/src/examples/BuyAsset.ts
@@ -10,10 +10,10 @@ async function exec() {
     const ocean: Ocean = await Ocean.getInstance(config)
 
     const publisher: Account = (await ocean.getAccounts())[0]
-    publisher.setPassword('node0')
+    publisher.setPassword("node0")
     const consumer: Account = (await ocean.getAccounts())[1]
 
-    const metaData: Partial<MetaData> = <any>{
+    const metaData: Partial<MetaData> = <any> {
         base: {
             name: "Office Humidity",
             type: "dataset",
@@ -43,7 +43,7 @@ async function exec() {
         },
     }
 
-    const ddo: DDO = await ocean.registerAsset(<any>metaData, publisher)
+    const ddo: DDO = await ocean.registerAsset(metaData as any, publisher)
     Logger.log("did", ddo.id)
     const did: DID = DID.parse(ddo.id)
 
diff --git a/src/examples/ExecuteAgreement.ts b/src/examples/ExecuteAgreement.ts
index 783f882..326a3eb 100644
--- a/src/examples/ExecuteAgreement.ts
+++ b/src/examples/ExecuteAgreement.ts
@@ -9,10 +9,10 @@ async function exec() {
     const ocean: Ocean = await Ocean.getInstance(config)
 
     const publisher: Account = (await ocean.getAccounts())[0]
-    publisher.setPassword('node0')
+    publisher.setPassword("node0")
     const consumer: Account = (await ocean.getAccounts())[1]
 
-    const metaData: Partial<MetaData> = <any>{
+    const metaData: Partial<MetaData> = <any> {
         base: {
             name: "Office Humidity",
             type: "dataset",
@@ -42,7 +42,7 @@ async function exec() {
         },
     }
 
-    const ddo: DDO = await ocean.registerAsset(<any>metaData, publisher)
+    const ddo: DDO = await ocean.registerAsset(metaData as any, publisher)
     Logger.log("did", ddo.id)
 
     const accessService = ddo.findServiceByType("Access")
diff --git a/src/examples/GrantAccess.ts b/src/examples/GrantAccess.ts
index aef460b..4d23e6b 100644
--- a/src/examples/GrantAccess.ts
+++ b/src/examples/GrantAccess.ts
@@ -10,10 +10,10 @@ async function exec() {
     const ocean: Ocean = await Ocean.getInstance(config)
 
     const publisher: Account = (await ocean.getAccounts())[0]
-    publisher.setPassword('node0')
+    publisher.setPassword("node0")
     const consumer: Account = (await ocean.getAccounts())[1]
 
-    const metaData: Partial<MetaData> = <any>{
+    const metaData: Partial<MetaData> = <any> {
         base: {
             name: "Office Humidity",
             type: "dataset",
@@ -43,7 +43,7 @@ async function exec() {
         },
     }
 
-    const ddo: DDO = await ocean.registerAsset(<any>metaData, publisher)
+    const ddo: DDO = await ocean.registerAsset(metaData as any, publisher)
     Logger.log("did", ddo.id)
     const did: DID = DID.parse(ddo.id)
 
@@ -70,7 +70,7 @@ async function exec() {
     const paid = await serviceAgreement.payAsset(did.getId(), metaData.base.price, consumer)
     Logger.log(`Asset paid: ${paid}`)
 
-    const accessGranted = await serviceAgreement.grantAccess(did.getId(), did.getId(), publisher)
+    const accessGranted = await serviceAgreement.grantAccess(did.getId(), publisher)
     Logger.log(`Asset access granted: ${accessGranted}`)
 }
 
diff --git a/src/examples/InitializeAgreement.ts b/src/examples/InitializeAgreement.ts
index c055e41..ed32c84 100644
--- a/src/examples/InitializeAgreement.ts
+++ b/src/examples/InitializeAgreement.ts
@@ -11,7 +11,7 @@ async function exec() {
     const publisher: Account = (await ocean.getAccounts())[1]
     const consumer: Account = (await ocean.getAccounts())[1]
 
-    const metaData: Partial<MetaData> = <any>{
+    const metaData: Partial<MetaData> = <any> {
         base: {
             name: "Office Humidity",
             type: "dataset",
@@ -40,7 +40,7 @@ async function exec() {
         },
     }
 
-    const ddo: DDO = await ocean.registerAsset(<any>metaData, publisher)
+    const ddo: DDO = await ocean.registerAsset(metaData as any, publisher)
     Logger.log("Registered asset with did:", ddo.id)
 
     const accessService = ddo.findServiceByType("Access")
diff --git a/src/examples/RegisterAsset.ts b/src/examples/RegisterAsset.ts
index 6d858d5..36ae44f 100644
--- a/src/examples/RegisterAsset.ts
+++ b/src/examples/RegisterAsset.ts
@@ -8,9 +8,9 @@ async function exec() {
     const ocean: Ocean = await Ocean.getInstance(config)
 
     const publisher: Account = (await ocean.getAccounts())[0]
-    publisher.setPassword('node0')
+    publisher.setPassword("node0")
 
-    const metaData: Partial<MetaData> = <any>{
+    const metaData: Partial<MetaData> = <any> {
         base: {
             name: "Office Humidity",
             type: "dataset",
@@ -40,7 +40,7 @@ async function exec() {
         },
     }
 
-    const ddo: DDO = await ocean.registerAsset(<any>metaData, publisher)
+    const ddo: DDO = await ocean.registerAsset(metaData as any, publisher)
     Logger.log(ddo.id)
 }
 
diff --git a/src/examples/SignAgreement.ts b/src/examples/SignAgreement.ts
index ebc78ca..037db76 100644
--- a/src/examples/SignAgreement.ts
+++ b/src/examples/SignAgreement.ts
@@ -26,7 +26,7 @@ async function exec() {
             updateFrecuency: "yearly",
             checksum: "efdd14d39feb726e321931f408b3454d26f1a4899bcc608a68b5397f23203174",
         },
-        base: <any>{
+        base: <any> {
             name: "Office Humidity",
             type: "dataset",
             description: "Weather information of UK including temperature and humidity",
diff --git a/src/examples/config/config.json b/src/examples/config/config.json
index 8b787aa..34f5721 100644
--- a/src/examples/config/config.json
+++ b/src/examples/config/config.json
@@ -1,6 +1,6 @@
 {
   "nodeUri": "http://localhost:8545",
-  "aquariusUri": "http://localhost:5000",
+  "aquariusUri": "https://nginx-aquarius.dev-ocean.com",
   "brizoUri": "http://localhost:8030",
   "parityUri": "http://localhost:9545",
   "secretStoreUri": "http://localhost:12001",
diff --git a/src/ocean/Account.ts b/src/ocean/Account.ts
index e4dc19d..cfe7260 100644
--- a/src/ocean/Account.ts
+++ b/src/ocean/Account.ts
@@ -18,7 +18,7 @@ export default class Account extends OceanBase {
      * Set account password.
      * @param {string} password Password for account.
      */
-    setPassword(password: string): void {
+    public setPassword(password: string): void {
         this.password = password
     }
 
@@ -26,7 +26,7 @@ export default class Account extends OceanBase {
      * Returns account password.
      * @return {string} Account password.
      */
-    getPassword(): string {
+    public getPassword(): string {
         return this.password
     }
 
diff --git a/src/ocean/OceanAssets.ts b/src/ocean/OceanAssets.ts
index 36b4d3c..3f7333f 100644
--- a/src/ocean/OceanAssets.ts
+++ b/src/ocean/OceanAssets.ts
@@ -69,7 +69,7 @@ export default class OceanAssets {
 
         metadata.base.encryptedFiles = [
             await SecretStoreProvider.getSecretStore()
-                .encryptDocument(did.getId(), metadata.base.contentUrls)
+                .encryptDocument(did.getId(), metadata.base.contentUrls),
         ]
 
         const template = new Access()
diff --git a/src/ocean/ServiceAgreements/ServiceAgreement.ts b/src/ocean/ServiceAgreements/ServiceAgreement.ts
index ba2497a..d47a472 100644
--- a/src/ocean/ServiceAgreements/ServiceAgreement.ts
+++ b/src/ocean/ServiceAgreements/ServiceAgreement.ts
@@ -48,7 +48,6 @@ export default class ServiceAgreement extends OceanBase {
             Logger.log("Executing SA with serviceAgreementId", serviceAgreementId)
         }
 
-
         const service: Service = ddo.findServiceById(serviceDefinitionId)
         const values: ValuePair[][] = ServiceAgreement.getValuesFromService(service, serviceAgreementId)
         const valueHashes: string[] = ServiceAgreement.createValueHashes(values)
@@ -64,10 +63,10 @@ export default class ServiceAgreement extends OceanBase {
 
     private static async createSAHashSignature(
         service: Service,
-       serviceAgreementId: string,
-       valueHashes: string[],
-       timeoutValues: number[],
-       consumer: Account,
+        serviceAgreementId: string,
+        valueHashes: string[],
+        timeoutValues: number[],
+        consumer: Account,
     ): Promise<string> {
 
         if (!service.templateId) {
diff --git a/src/utils/SignatureHelpers.ts b/src/utils/SignatureHelpers.ts
index 7812032..f372b3b 100644
--- a/src/utils/SignatureHelpers.ts
+++ b/src/utils/SignatureHelpers.ts
@@ -1,4 +1,4 @@
-import Web3Provider from '../keeper/Web3Provider'
+import Web3Provider from "../keeper/Web3Provider"
 import Logger from "./Logger"
 
 export async function signText(text: string, publicKey: string, password?: string): Promise<string> {
@@ -8,7 +8,7 @@ export async function signText(text: string, publicKey: string, password?: strin
         return await web3.eth.personal.sign(text, publicKey, password)
     } catch (e) {
         Logger.error(e.message)
-        throw new Error('Error execution personal sign')
+        throw new Error("Error execution personal sign")
     }
 }
 
diff --git a/test/aquarius/Aquarius.test.ts b/test/aquarius/Aquarius.test.ts
index 08e11f9..981fb54 100644
--- a/test/aquarius/Aquarius.test.ts
+++ b/test/aquarius/Aquarius.test.ts
@@ -41,7 +41,7 @@ describe("Aquarius", () => {
             WebServiceConnectorProvider.setConnector(new WebServiceConnectorMock([new DDO()]))
 
             const result: DDO[] = await aquarius.queryMetadata(query)
-            console.log(result)
+
             assert(result)
             assert(result[0].findServiceById)
         })
diff --git a/test/ddo/DDO.test.ts b/test/ddo/DDO.test.ts
index b3f294b..6c0ca17 100644
--- a/test/ddo/DDO.test.ts
+++ b/test/ddo/DDO.test.ts
@@ -1,15 +1,15 @@
-import { assert, expect, use, spy } from "chai"
+import { assert, expect, spy, use } from "chai"
 import * as spies from "chai-spies"
 
+import ConfigProvider from "../../src/ConfigProvider"
 import { DDO } from "../../src/ddo/DDO"
 import { Service } from "../../src/ddo/Service"
-import ConfigProvider from "../../src/ConfigProvider"
-import config from "../config"
 import * as signatureHelpers from "../../src/utils/SignatureHelpers"
+import config from "../config"
 
 import * as jsonDDO from "../testdata/ddo.json"
 
-use(spies);
+use(spies)
 
 describe("DDO", () => {
 
@@ -60,7 +60,7 @@ describe("DDO", () => {
                 type: "MessagingService",
                 serviceEndpoint: "https://example.com/messages/8377464",
             },
-            <any>{
+            {
                 type: "SocialWebInboxService",
                 serviceEndpoint: "https://social.example.com/83hfh37dj",
                 description: "My public social inbox",
@@ -68,7 +68,7 @@ describe("DDO", () => {
                     amount: "0.50",
                     currency: "USD",
                 },
-            },
+            } as any,
             {
                 id: "did:op:123456789abcdefghi;bops",
                 type: "BopsService",
@@ -126,18 +126,18 @@ describe("DDO", () => {
                                 url: "234ab87234acbd09543085340abffh21983ddhiiee982143827423421",
                                 checksum: "efb2c764274b745f5fc37f97c6b0e761",
                                 contentLength: "4535431",
-                                resourceId: "access-log2018-02-13-15-17-29-18386C502CAEA932"
+                                resourceId: "access-log2018-02-13-15-17-29-18386C502CAEA932",
                             },
                             {
                                 url: "234ab87234acbd6894237582309543085340abffh21983ddhiiee982143827423421",
                                 checksum: "085340abffh21495345af97c6b0e761",
-                                contentLength: "12324"
+                                contentLength: "12324",
                             },
                             {
-                                url: "80684089027358963495379879a543085340abffh21983ddhiiee982143827abcc2"
-                            }
+                                url: "80684089027358963495379879a543085340abffh21983ddhiiee982143827abcc2",
+                            },
                         ],
-                        checksum: ""
+                        checksum: "",
                     },
                     curation: {
                         rating: 0.93,
@@ -200,7 +200,7 @@ describe("DDO", () => {
             }
 
             const ddo = new DDO({
-                service: [<any>service],
+                service: [service as any],
             })
             assert(ddo)
 
@@ -217,7 +217,7 @@ describe("DDO", () => {
         it("should properly deserialize from serialized object", async () => {
 
             const ddoString = DDO.serialize(testDDO)
-            assert.typeOf(ddoString, 'string')
+            assert.typeOf(ddoString, "string")
 
             const ddo: DDO = DDO.deserialize(ddoString)
             assert.instanceOf(ddo, DDO)
@@ -247,18 +247,18 @@ describe("DDO", () => {
 
     describe("#generateProof()", () => {
 
-        const publicKey = `0x${'a'.repeat(40)}`
-        const signature = `0x${'a'.repeat(130)}`
+        const publicKey = `0x${"a".repeat(40)}`
+        const signature = `0x${"a".repeat(130)}`
 
         it("should properly generate the proof", async () => {
-            const signTextSpy = spy.on(signatureHelpers, 'signText', () => signature)
+            const signTextSpy = spy.on(signatureHelpers, "signText", () => signature)
             const ddo = new DDO(testDDO)
             const checksum = ddo.getChecksum()
             const proof = await ddo.generateProof(publicKey)
 
-            assert.include(<any>proof, {
+            assert.include(proof as any, {
                 creator: publicKey,
-                type: 'DDOIntegritySignature',
+                type: "DDOIntegritySignature",
                 signatureValue: signature,
             })
             expect(signTextSpy).to.have.been.called.with(checksum, publicKey)
@@ -267,17 +267,17 @@ describe("DDO", () => {
 
     describe("#addProof()", () => {
 
-        const publicKey = `0x${'a'.repeat(40)}`
+        const publicKey = `0x${"a".repeat(40)}`
 
         it("should properly add the proof on the DDO", async () => {
-            const fakeProof = <any>{
+            const fakeProof = {
                 creation: Date.now(),
-                creator: 'test',
-                type: 'test',
-                signaturValue: 'test'
-            }
+                creator: "test",
+                type: "test",
+                signaturValue: "test",
+            } as any
             const ddo = new DDO(testDDO)
-            const generateProofSpy = spy.on(ddo, 'generateProof', () => fakeProof)
+            const generateProofSpy = spy.on(ddo, "generateProof", () => fakeProof)
             await ddo.addProof(publicKey)
 
             assert.equal(ddo.proof, fakeProof)
diff --git a/test/ocean/ServiceAgreement.test.ts b/test/ocean/ServiceAgreement.test.ts
index 37d716a..c990027 100644
--- a/test/ocean/ServiceAgreement.test.ts
+++ b/test/ocean/ServiceAgreement.test.ts
@@ -16,7 +16,6 @@ import TestContractHandler from "../keeper/TestContractHandler"
 import WebServiceConnectorMock from "../mocks/WebServiceConnector.mock"
 import { metadataMock } from "../testdata/MetaData"
 
-
 let ocean: Ocean
 let accounts: Account[]
 let publisherAccount: Account
diff --git a/test/ocean/ServiceAgreementTemplate.test.ts b/test/ocean/ServiceAgreementTemplate.test.ts
index 0c30b51..0186812 100644
--- a/test/ocean/ServiceAgreementTemplate.test.ts
+++ b/test/ocean/ServiceAgreementTemplate.test.ts
@@ -7,9 +7,8 @@ import Access from "../../src/ocean/ServiceAgreements/Templates/Access"
 import TemplateBase from "../../src/ocean/ServiceAgreements/Templates/TemplateBase"
 import config from "../config"
 import TestContractHandler from "../keeper/TestContractHandler"
-import TestIdGenerator from "../TestIdGenerator"
 import { metadataMock } from "../testdata/MetaData"
-
+import TestIdGenerator from "../TestIdGenerator"
 
 let ocean: Ocean
 let accounts: Account[]
diff --git a/test/testdata/MetaData.ts b/test/testdata/MetaData.ts
index f153257..be14ef6 100644
--- a/test/testdata/MetaData.ts
+++ b/test/testdata/MetaData.ts
@@ -35,7 +35,7 @@ export const metadataMock: MetaData = {
         tags: "weather, uk, 2011, temperature, humidity",
         price: 10,
         files: [],
-        checksum: ""
+        checksum: "",
     },
     curation: {
         rating: 0.93,
@@ -54,5 +54,6 @@ export const metadataMock: MetaData = {
                 mediaType: "text/turtle",
             },
         ],
+        checksum: "",
     },
 }
diff --git a/test/utils/SignatureHelpers.test.ts b/test/utils/SignatureHelpers.test.ts
index 2b4dcd9..bf865d9 100644
--- a/test/utils/SignatureHelpers.test.ts
+++ b/test/utils/SignatureHelpers.test.ts
@@ -1,18 +1,18 @@
-import { assert, expect, use, spy } from "chai"
+import { assert, expect, spy, use } from "chai"
 import * as spies from "chai-spies"
 
-import { signText, verifyText } from "../../src/utils/SignatureHelpers"
-import Web3Provider from '../../src/keeper/Web3Provider'
 import ConfigProvider from "../../src/ConfigProvider"
+import Web3Provider from "../../src/keeper/Web3Provider"
+import { signText, verifyText } from "../../src/utils/SignatureHelpers"
 import config from "../config"
 
-use(spies);
+use(spies)
 
 describe("SignatureHelpers", () => {
 
-    const publicKey = `0x${'a'.repeat(40)}`
+    const publicKey = `0x${"a".repeat(40)}`
     const text = "0123456789abcde"
-    const signature = `0x${'a'.repeat(130)}`
+    const signature = `0x${"a".repeat(130)}`
 
     before(async () => {
         ConfigProvider.setConfig(config)
@@ -26,7 +26,7 @@ describe("SignatureHelpers", () => {
 
         beforeEach(() => {
             const web3 = Web3Provider.getWeb3()
-            personalSignSpy = spy.on(web3.eth.personal, 'sign', () => signature)
+            personalSignSpy = spy.on(web3.eth.personal, "sign", () => signature)
         })
 
         it("should sign a text as expected", async () => {
@@ -37,17 +37,17 @@ describe("SignatureHelpers", () => {
         })
 
         it("should sign a text as expected using password", async () => {
-            const signed = await signText(text, publicKey, 'test')
+            const signed = await signText(text, publicKey, "test")
 
             assert.equal(signed, signature)
-            expect(personalSignSpy).to.have.been.called.with(text, publicKey, 'test')
+            expect(personalSignSpy).to.have.been.called.with(text, publicKey, "test")
         })
     })
 
     describe("#verifyText", () => {
         it("should recover the privateKey of a signed message", async () => {
             const web3 = Web3Provider.getWeb3()
-            const personalRecoverSpy = spy.on(web3.eth.personal, 'ecRecover', () => publicKey)
+            const personalRecoverSpy = spy.on(web3.eth.personal, "ecRecover", () => publicKey)
 
             const verifiedPublicKey = await verifyText(text, signature)
 
diff --git a/tslint.json b/tslint.json
index 415768f..bf5d0d2 100644
--- a/tslint.json
+++ b/tslint.json
@@ -6,10 +6,12 @@
   "jsRules": {},
   "rules": {
     "object-literal-sort-keys": false,
+    "interface-name": [true, "never-prefix"],
+    "max-line-length": [true, 140],
     "semicolon": [
       true,
       "never"
     ]
   },
   "rulesDirectory": []
-}
\ No newline at end of file
+}