Merge pull request #1843 from oceanprotocol/issue-1841-pub-flow

Issue 1841 pub flow - createAsset Fn

src/@types/Datatoken.ts

@@ -10,6 +10,10 @@ export interface DatatokenCreateParams {
   cap: string
   name?: string
   symbol?: string
+  filesObject?: any // file object for template 4
+  accessListFactory?: string // access list factory address
+  allowAccessList?: string //  Allow List Contract (if any)
+  denyAccessList?: string // Deny List Contract (if any)
 }
 
 export interface ConsumeMarketFee {

src/config/Config.ts

@@ -179,4 +179,8 @@ export class Config {
   DFRewards?: string
   DFStrategyV1?: string
   veFeeEstimate?: string
+
+  // is confidential evm
+  confidentialEVM?: boolean
+  accessListFactory?: string
 }

src/config/ConfigHelper.ts

@@ -178,6 +178,11 @@ export const configHelperNetworks: Config[] = [
   }
 ]
 
+export const KNOWN_CONFIDENTIAL_EVMS = [
+  23294, // oasis_sapphire
+  23295 // oasis_sapphire_testnet
+]
+
 export class ConfigHelper {
   /* Load contract addresses from env ADDRESS_FILE (generated by ocean-contracts) */
   public getAddressesFromEnv(network: string, customAddresses?: any): Partial<Config> {
@@ -200,7 +205,8 @@ export class ConfigHelper {
         veDelegationProxy,
         DFRewards,
         DFStrategyV1,
-        veFeeEstimate
+        veFeeEstimate,
+        AccessListFactory
       } = customAddresses[network]
       configAddresses = {
         nftFactoryAddress: ERC721Factory,
@@ -218,6 +224,7 @@ export class ConfigHelper {
         DFRewards,
         DFStrategyV1,
         veFeeEstimate,
+        accessListFactory: AccessListFactory,
         ...(process.env.AQUARIUS_URL && { metadataCacheUri: process.env.AQUARIUS_URL }),
         ...(process.env.PROVIDER_URL && { providerUri: process.env.PROVIDER_URL })
       }
@@ -239,7 +246,8 @@ export class ConfigHelper {
           veDelegationProxy,
           DFRewards,
           DFStrategyV1,
-          veFeeEstimate
+          veFeeEstimate,
+          AccessListFactory
         } = DefaultContractsAddresses[network]
         configAddresses = {
           nftFactoryAddress: ERC721Factory,
@@ -257,6 +265,7 @@ export class ConfigHelper {
           DFRewards,
           DFStrategyV1,
           veFeeEstimate,
+          accessListFactory: AccessListFactory,
           ...(process.env.AQUARIUS_URL && { metadataCacheUri: process.env.AQUARIUS_URL }),
           ...(process.env.PROVIDER_URL && { providerUri: process.env.PROVIDER_URL })
         }
@@ -273,6 +282,7 @@ export class ConfigHelper {
    */
   public getConfig(network: string | number, infuraProjectId?: string): Config {
     const filterBy = typeof network === 'string' ? 'network' : 'chainId'
+
     let config = configHelperNetworks.find((c) => c[filterBy] === network)
 
     if (!config) {
@@ -292,7 +302,23 @@ export class ConfigHelper {
       console.log(e)
       addresses = null
     }
-    const contractAddressesConfig = this.getAddressesFromEnv(config.network, addresses)
+
+    let contractAddressesConfig = this.getAddressesFromEnv(config.network, addresses)
+    // check oasis network name typos on addresses.json
+    if (!contractAddressesConfig && KNOWN_CONFIDENTIAL_EVMS.includes(config.chainId)) {
+      contractAddressesConfig = this.getAddressesFromEnv(
+        config.network.replace('sapph', 'saph'),
+        addresses
+      )
+    }
+    config.confidentialEVM =
+      filterBy === 'chainId'
+        ? KNOWN_CONFIDENTIAL_EVMS.includes(Number(network))
+        : network.toString().includes('oasis_sap')
+    if (config.confidentialEVM) {
+      config.accessListFactory = contractAddressesConfig.accessListFactory
+    }
+
     config = { ...config, ...contractAddressesConfig }
 
     const nodeUri = infuraProjectId

src/contracts/NFT.ts

@@ -12,7 +12,7 @@ import { SmartContract } from './SmartContract'
 import {
   calculateActiveTemplateIndex,
   getOceanArtifactsAdressesByChainId
-} from '../utils/Asset'
+} from '../utils/Assets'
 
 export class Nft extends SmartContract {
   getDefaultAbi() {

src/contracts/NFTFactory.ts

@@ -1,4 +1,4 @@
-import { BigNumber } from 'ethers'
+import { BigNumber, ethers } from 'ethers'
 import ERC721Factory from '@oceanprotocol/contracts/artifacts/contracts/ERC721Factory.sol/ERC721Factory.json'
 import {
   generateDtName,
@@ -580,20 +580,39 @@ export class NftFactory extends SmartContractWithAddress {
       }
     }
 
+    // common stuff for other templates
+    const addresses = [
+      dtParams.minter,
+      dtParams.paymentCollector,
+      dtParams.mpFeeAddress,
+      dtParams.feeToken
+    ]
+
+    if (dtParams.filesObject) {
+      // template 4 only, ignored for others
+      if (dtParams.accessListFactory) {
+        addresses.push(dtParams.accessListFactory)
+      }
+      if (dtParams.allowAccessList) {
+        addresses.push(dtParams.allowAccessList)
+      }
+
+      if (dtParams.denyAccessList) {
+        addresses.push(dtParams.denyAccessList)
+      }
+    }
+
     return {
       templateIndex: dtParams.templateIndex,
       strings: [dtParams.name || name, dtParams.symbol || symbol],
-      addresses: [
-        dtParams.minter,
-        dtParams.paymentCollector,
-        dtParams.mpFeeAddress,
-        dtParams.feeToken
-      ],
+      addresses,
       uints: [
         await this.amountToUnits(null, dtParams.cap, 18),
         await this.amountToUnits(null, dtParams.feeAmount, feeTokenDecimals)
       ],
-      bytess: []
+      bytess: dtParams.filesObject
+        ? [ethers.utils.toUtf8Bytes(JSON.stringify(dtParams.filesObject))]
+        : []
     }
   }
 

src/services/Provider.ts

@@ -510,7 +510,7 @@ export class Provider {
       )) + 1
     ).toString()
 
-    const signature = await this.signProviderRequest(signer, did + nonce)
+    const signature = await this.signProviderRequest(signer, did + nonce) // did + nonce
     let consumeUrl = downloadUrl
     consumeUrl += `?fileIndex=${fileIndex}`
     consumeUrl += `&documentId=${did}`

src/utils/Asset.ts

@@ -1,87 +0,0 @@
-import { ethers, Signer } from 'ethers'
-
-import { NftFactory } from '../contracts/NFTFactory'
-// eslint-disable-next-line import/no-named-default
-import ERC20Template from '@oceanprotocol/contracts/artifacts/contracts/interfaces/IERC20Template.sol/IERC20Template.json'
-import fs from 'fs'
-// eslint-disable-next-line import/no-named-default
-import { default as addrs } from '@oceanprotocol/contracts/addresses/address.json'
-
-/**
- * Get the artifacts address from the address.json file
- * either from the env or from the ocean-contracts dir
- * @returns data or null
- */
-export function getOceanArtifactsAdresses(): any {
-  try {
-    if (process.env.ADDRESS_FILE) {
-      // eslint-disable-next-line security/detect-non-literal-fs-filename
-      const data = fs.readFileSync(process.env.ADDRESS_FILE, 'utf8')
-      return JSON.parse(data)
-    }
-    return addrs
-  } catch (error) {
-    return addrs
-  }
-}
-
-export function getOceanArtifactsAdressesByChainId(chain: number): any {
-  try {
-    // eslint-disable-next-line security/detect-non-literal-fs-filename
-    const data = getOceanArtifactsAdresses()
-    if (data) {
-      const networks = Object.keys(data)
-      for (const network of networks) {
-        if (data[network].chainId === chain) {
-          return data[network]
-        }
-      }
-    }
-  } catch (error) {
-    console.error(error)
-  }
-  return null
-}
-
-/**
- * Use this function to accurately calculate the template index, and also checking if the template is active
- * @param owner the signer account
- * @param nftContractAddress the nft contract address, usually artifactsAddresses.ERC721Factory
- * @param template the template ID or template address (from smart contract getId() function)
- * @returns index of the template on the list
- */
-export async function calculateActiveTemplateIndex(
-  owner: Signer,
-  nftContractAddress: string, // addresses.ERC721Factory,
-  template: string | number
-): Promise<number> {
-  // is an ID number?
-  const isTemplateID = typeof template === 'number'
-
-  const factoryERC721 = new NftFactory(nftContractAddress, owner)
-  const currentTokenCount = await factoryERC721.getCurrentTokenTemplateCount()
-  for (let i = 1; i <= currentTokenCount; i++) {
-    const tokenTemplate = await factoryERC721.getTokenTemplate(i)
-
-    const erc20Template = new ethers.Contract(
-      tokenTemplate.templateAddress,
-      ERC20Template.abi,
-      owner
-    )
-
-    // check for ID
-    if (isTemplateID) {
-      const id = await erc20Template.connect(owner).getId()
-      if (tokenTemplate.isActive && id.toString() === template.toString()) {
-        return i
-      }
-    } else if (
-      tokenTemplate.isActive &&
-      tokenTemplate.templateAddress === template.toString()
-    ) {
-      return i
-    }
-  }
-  // if nothing is found it returns -1
-  return -1
-}

src/utils/Assets.ts

@@ -0,0 +1,350 @@
+import { SHA256 } from 'crypto-js'
+import { ethers, Signer } from 'ethers'
+import { ConfigHelper } from '../../src/config'
+import { hexlify } from 'ethers/lib/utils'
+import { createHash } from 'crypto'
+import fs from 'fs'
+
+// eslint-disable-next-line import/no-named-default
+import { default as Addresses } from '@oceanprotocol/contracts/addresses/address.json'
+import { Aquarius } from '../services/Aquarius'
+import { NftFactory } from '../contracts/NFTFactory'
+import { Nft } from '../contracts/NFT'
+import { DatatokenCreateParams } from '../@types/Datatoken'
+import { NftCreateData } from '../@types/NFTFactory'
+import { ZERO_ADDRESS } from './Constants'
+import { DispenserCreationParams } from '../@types/Dispenser'
+import { FreCreationParams } from '../@types/FixedPrice'
+import { getEventFromTx } from './ContractUtils'
+import { ProviderInstance } from '../services/Provider'
+// eslint-disable-next-line import/no-named-default
+import ERC20Template from '@oceanprotocol/contracts/artifacts/contracts/interfaces/IERC20Template.sol/IERC20Template.json'
+import AccessListFactory from '@oceanprotocol/contracts/artifacts/contracts/accesslists/AccessListFactory.sol/AccessListFactory.json'
+import ERC20Template4 from '@oceanprotocol/contracts/artifacts/contracts/templates/ERC20Template4.sol/ERC20Template4.json'
+
+// import * as hre from 'hardhat'
+
+export const DEVELOPMENT_CHAIN_ID = 8996
+// template address OR templateId
+export function isConfidentialEVM(network: string | number): boolean {
+  const config = new ConfigHelper().getConfig(network)
+  return config && config.confidentialEVM
+}
+
+/**
+ * Get the artifacts address from the address.json file
+ * either from the env or from the ocean-contracts dir
+ * @returns data or null
+ */
+export function getOceanArtifactsAdresses(): any {
+  try {
+    if (process.env.ADDRESS_FILE) {
+      // eslint-disable-next-line security/detect-non-literal-fs-filename
+      const data = fs.readFileSync(process.env.ADDRESS_FILE, 'utf8')
+      return JSON.parse(data)
+    }
+    return Addresses
+  } catch (error) {
+    return Addresses
+  }
+}
+
+/**
+ * Get the artifacts address from the address.json file, for the given chain
+ * either from the env or from the ocean-contracts dir, safer than above, because sometimes the network name
+ * is mispeled, best example "optimism_sepolia" vs "optimism-sepolia"
+ * @returns data or null
+ */
+export function getOceanArtifactsAdressesByChainId(chain: number): any {
+  try {
+    // eslint-disable-next-line security/detect-non-literal-fs-filename
+    const data = getOceanArtifactsAdresses()
+    if (data) {
+      const networks = Object.keys(data)
+      for (const network of networks) {
+        if (data[network].chainId === chain) {
+          return data[network]
+        }
+      }
+    }
+  } catch (error) {
+    console.error(error)
+  }
+  return null
+}
+
+/**
+ * Use this function to accurately calculate the template index, and also checking if the template is active
+ * @param owner the signer account
+ * @param nftContractAddress the nft contract address, usually artifactsAddresses.ERC721Factory
+ * @param template the template ID or template address (from smart contract getId() function)
+ * @returns index of the template on the list
+ */
+export async function calculateActiveTemplateIndex(
+  owner: Signer,
+  nftContractAddress: string, // addresses.ERC721Factory,
+  template: string | number
+): Promise<number> {
+  // is an ID number?
+  const isTemplateID = typeof template === 'number'
+
+  const factoryERC721 = new NftFactory(nftContractAddress, owner)
+  const currentTokenCount = await factoryERC721.getCurrentTokenTemplateCount()
+  for (let i = 1; i <= currentTokenCount; i++) {
+    const tokenTemplate = await factoryERC721.getTokenTemplate(i)
+
+    const erc20Template = new ethers.Contract(
+      tokenTemplate.templateAddress,
+      ERC20Template.abi,
+      owner
+    )
+
+    // check for ID
+    if (isTemplateID) {
+      const id = await erc20Template.connect(owner).getId()
+      if (tokenTemplate.isActive && id.toString() === template.toString()) {
+        return i
+      }
+    } else if (
+      tokenTemplate.isActive &&
+      tokenTemplate.templateAddress === template.toString()
+    ) {
+      return i
+    }
+  }
+  // if nothing is found it returns -1
+  return -1
+}
+/**
+ *
+ * @param name asset name
+ * @param symbol asse symbol
+ * @param owner owner address
+ * @param assetUrl asset url, if present and confidential evm, add it to token create params
+ * @param templateIDorAddress either template address or id
+ * @param ddo ddo
+ * @param encryptDDO encrypt or not?
+ * @param providerUrl the provider URL
+ * @param providerFeeToken the provider fee token
+ * @param aquariusInstance aquarius, could be node instance url
+ * @param allowAccessList?: string,
+ * @param denyAccessList?: string
+ * @returns ddo id as string
+ */
+export async function createAsset(
+  name: string,
+  symbol: string,
+  owner: Signer,
+  assetUrl: any, // files object
+  templateIDorAddress: string | number, // If string, it's template address , otherwise, it's templateId
+  ddo: any,
+  encryptDDO: boolean = true, // default is true
+  providerUrl: string,
+  providerFeeToken: string,
+  aquariusInstance: Aquarius,
+  accessListFactory?: string, // access list factory address
+  allowAccessList?: string, // allow list address
+  denyAccessList?: string // deny list address
+): Promise<string> {
+  const isAddress = typeof templateIDorAddress === 'string'
+  const isTemplateIndex = typeof templateIDorAddress === 'number'
+  if (!isAddress && !isTemplateIndex) {
+    throw new Error('Invalid template! Must be a "number" or a "string"')
+  }
+  const chainID = (await owner.provider.getNetwork()).chainId
+
+  const config = new ConfigHelper().getConfig(parseInt(String(chainID)))
+
+  let templateIndex = await calculateActiveTemplateIndex(
+    owner,
+    config.nftFactoryAddress,
+    templateIDorAddress
+  )
+
+  if (templateIndex < 1) {
+    // for testing purposes only
+    if (chainID === DEVELOPMENT_CHAIN_ID) {
+      templateIndex = 1
+    } else throw new Error(`Invalid template index: ${templateIndex}`)
+  }
+
+  const nft = new Nft(owner, chainID)
+
+  const nftFactory = new NftFactory(config.nftFactoryAddress, owner)
+
+  // get nft owner
+  const account = await owner.getAddress()
+
+  // from hex to number format
+  ddo.chainId = parseInt(chainID.toString(10))
+  const nftParamsAsset: NftCreateData = {
+    name,
+    symbol,
+    templateIndex: 1,
+    tokenURI: 'aaa',
+    transferable: true,
+    owner: account
+  }
+  const datatokenParams: DatatokenCreateParams = {
+    templateIndex,
+    cap: '100000',
+    feeAmount: '0',
+    paymentCollector: account,
+    feeToken: providerFeeToken || config.oceanTokenAddress,
+    minter: account,
+    mpFeeAddress: ZERO_ADDRESS
+  }
+
+  // include fileObject in the DT constructor
+  if (config.confidentialEVM) {
+    datatokenParams.filesObject = assetUrl
+    datatokenParams.accessListFactory = accessListFactory || config.accessListFactory
+    datatokenParams.allowAccessList = allowAccessList
+    datatokenParams.denyAccessList = denyAccessList
+  }
+
+  let bundleNFT
+  try {
+    if (!ddo.stats?.price?.value) {
+      bundleNFT = await nftFactory.createNftWithDatatoken(nftParamsAsset, datatokenParams)
+    } else if (ddo.stats?.price?.value === '0') {
+      const dispenserParams: DispenserCreationParams = {
+        dispenserAddress: config.dispenserAddress,
+        maxTokens: '1',
+        maxBalance: '100000000',
+        withMint: true,
+        allowedSwapper: ZERO_ADDRESS
+      }
+      bundleNFT = await nftFactory.createNftWithDatatokenWithDispenser(
+        nftParamsAsset,
+        datatokenParams,
+        dispenserParams
+      )
+    } else {
+      // fixed price
+      const fixedPriceParams: FreCreationParams = {
+        fixedRateAddress: config.fixedRateExchangeAddress,
+        baseTokenAddress: config.oceanTokenAddress,
+        owner: account,
+        marketFeeCollector: account,
+        baseTokenDecimals: 18,
+        datatokenDecimals: 18,
+        fixedRate: ddo.stats.price.value,
+        marketFee: '0',
+        allowedConsumer: account,
+        withMint: true
+      }
+      bundleNFT = await nftFactory.createNftWithDatatokenWithFixedRate(
+        nftParamsAsset,
+        datatokenParams,
+        fixedPriceParams
+      )
+    }
+  } catch (err) {
+    console.log('ERROR creating NFT bundle', err)
+    return null
+  }
+
+  const trxReceipt = await bundleNFT.wait()
+  // events have been emitted
+  const nftCreatedEvent = getEventFromTx(trxReceipt, 'NFTCreated')
+  const tokenCreatedEvent = getEventFromTx(trxReceipt, 'TokenCreated')
+
+  const nftAddress = nftCreatedEvent.args.newTokenAddress
+  const datatokenAddressAsset = tokenCreatedEvent.args.newTokenAddress
+  // create the files encrypted string
+  assetUrl.datatokenAddress = datatokenAddressAsset
+  assetUrl.nftAddress = nftAddress
+
+  if (config.confidentialEVM) {
+    // we need to update files object on the SC otherwise it will fail validation on provider
+    // because DDO datatokenAddress and nftAddress will not match the values on files object
+    const contract = new ethers.Contract(datatokenAddressAsset, ERC20Template4.abi, owner)
+    try {
+      const tx = await contract.setFilesObject(
+        ethers.utils.toUtf8Bytes(JSON.stringify(assetUrl))
+      )
+      if (tx.wait) {
+        await tx.wait()
+      }
+    } catch (err) {
+      console.log('Error updating files object with data token and nft addresses: ', err)
+      return null
+    }
+  }
+
+  // if confidential EVM no need to make encrypt call here
+  if (config.confidentialEVM) {
+    ddo.services[0].files = '' // on confidental EVM it needs to be empty string not null, for schema validation
+  } else {
+    ddo.services[0].files = await ProviderInstance.encrypt(assetUrl, chainID, providerUrl)
+  }
+
+  ddo.services[0].datatokenAddress = datatokenAddressAsset
+  ddo.services[0].serviceEndpoint = providerUrl
+
+  ddo.nftAddress = nftAddress
+  ddo.id = 'did:op:' + SHA256(ethers.utils.getAddress(nftAddress) + chainID.toString(10))
+
+  let metadata
+  let metadataHash
+  let flags
+  if (encryptDDO) {
+    metadata = await ProviderInstance.encrypt(ddo, chainID, providerUrl)
+    const validateResult = await aquariusInstance.validate(ddo)
+    metadataHash = validateResult.hash
+    flags = 2
+  } else {
+    const stringDDO = JSON.stringify(ddo)
+    const bytes = Buffer.from(stringDDO)
+    metadata = hexlify(bytes)
+    metadataHash = '0x' + createHash('sha256').update(metadata).digest('hex')
+    flags = 0
+  }
+
+  await nft.setMetadata(
+    nftAddress,
+    await owner.getAddress(),
+    0,
+    providerUrl,
+    '',
+    ethers.utils.hexlify(flags),
+    metadata,
+    metadataHash
+  )
+  return ddo.id
+}
+
+/**
+ * deploy new access list factory if needed
+ * @param accessListFactory accessListFactory address
+ * @param owner owner account
+ * @param addressesList list of addresses to deploy
+ * @returns accessListFactory address
+ */
+export async function createAccessListFactory(
+  accessListFactory: string,
+  owner: Signer,
+  addressesList?: string[]
+): Promise<any> {
+  const factory = new ethers.Contract(accessListFactory, AccessListFactory.abi, owner)
+  const ownerAccount = await owner.getAddress()
+  try {
+    const accessListTx = await factory.deployAccessListContract(
+      'AllowList',
+      'ALLOW',
+      true,
+      ownerAccount,
+      addressesList || [ownerAccount],
+      ['https://oceanprotocol.com/nft/']
+    )
+    if (accessListTx && accessListTx.wait) {
+      const trxReceipt = await accessListTx.wait()
+      const events = getEventFromTx(trxReceipt, 'NewAccessList')
+      return events.args[0]
+    }
+  } catch (error) {
+    console.log('ERROR createAccessListFactory(): ', error)
+  }
+  return null
+}

src/utils/OrderUtils.ts

@@ -66,6 +66,7 @@ export async function orderAsset(
     )
 
   const templateIndex = await datatoken.getId(asset.datatokens[datatokenIndex].address)
+
   const fixedRates = await datatoken.getFixedRates(
     asset.datatokens[datatokenIndex].address
   )
@@ -137,7 +138,7 @@ export async function orderAsset(
           orderParams._consumeMarketFee
         )
       }
-      if (templateIndex === 2) {
+      if (templateIndex === 2 || templateIndex === 4) {
         return await datatoken.buyFromDispenserAndOrder(
           asset.services[serviceIndex].datatokenAddress,
           orderParams,
@@ -210,7 +211,7 @@ export async function orderAsset(
           orderParams._consumeMarketFee
         )
       }
-      if (templateIndex === 2) {
+      if (templateIndex === 2 || templateIndex === 4) {
         const tx: any = await approve(
           consumerAccount,
           config,

src/utils/index.ts

@@ -10,3 +10,4 @@ export * from './SignatureUtils'
 export * from './TokenUtils'
 export * from './ProviderErrors'
 export * from './OrderUtils'
+export * from './Assets'

test/integration/PublishFlows.test.ts

@@ -22,6 +22,7 @@ import {
   Files
 } from '../../src/@types'
 
+import { createAsset } from '../../src/utils'
 function delay(interval: number) {
   return it('should delay', (done) => {
     setTimeout(() => done(), interval)
@@ -198,6 +199,25 @@ describe('Publish tests', async () => {
 
   delay(19000)
 
+  it('should publish a dataset with fixed price (create NFT + Datoken + fixed price) using createAsset() fn', async () => {
+    const fixedPriceDdo: DDO = { ...genericAsset }
+    const ownerAddress = publisherAccount
+    const asset = await createAsset(
+      'test asset',
+      'TEST',
+      ownerAddress,
+      assetUrl,
+      1, // template 1 on dev network
+      fixedPriceDdo,
+      true, // encrypted ddo
+      providerUrl,
+      ZERO_ADDRESS, // provider fee token
+      aquarius
+    )
+
+    assert(asset !== null, 'Could not publish asset!')
+  })
+
   it('should resolve the fixed price dataset', async () => {
     const resolvedDDO = await aquarius.waitForAqua(fixedPricedDID)
     assert(resolvedDDO, 'Cannot fetch DDO from Aquarius')

test/unit/AssetUtils.test.ts

@@ -0,0 +1,47 @@
+import { assert } from 'chai'
+import { KNOWN_CONFIDENTIAL_EVMS } from '../../src/config'
+import { provider, getAddresses } from '../config'
+import { calculateActiveTemplateIndex, isConfidentialEVM } from '../../src/utils'
+import { Signer } from 'ethers/lib/ethers'
+
+let nftOwner: Signer
+let addresses: any
+describe('Asset utils (createAsset)', () => {
+  before(async () => {
+    nftOwner = (await provider.getSigner(0)) as Signer
+    addresses = await getAddresses()
+  })
+
+  it('should check if confidential EVM', async () => {
+    for (const chain of KNOWN_CONFIDENTIAL_EVMS) {
+      assert(
+        isConfidentialEVM(chain) === true,
+        `Chain Id: "${chain}" is not a confidental EVM`
+      )
+    }
+
+    // optimism sepolia
+    // 11155420
+    assert(
+      isConfidentialEVM(11155420) === false,
+      `Chain Id: "11155420" is wrongly considered a confidental EVM`
+    )
+  })
+
+  // checking if active by connecting to the smart contract as well
+  it('Calculate index -  Should get correct template index from contract getId() (using template ID as template)', async () => {
+    const okTemplate = await calculateActiveTemplateIndex(
+      nftOwner,
+      addresses.ERC721Factory,
+      3
+    )
+    assert(okTemplate === 3, 'wrong template index, should be index 3!')
+
+    const wrongOne = await calculateActiveTemplateIndex(
+      nftOwner,
+      addresses.ERC721Factory,
+      6
+    )
+    assert(wrongOne === -1, 'wrong template index, should only exist 3!')
+  })
+})