deployDiamond.ts

// deploy DiamondCutFacet
  const DiamondCut = cfx.Contract(getArtifacts("DiamondCutFacet"));
  const txReceipt = await DiamondCut.constructor()
    .sendTransaction({ from: acct })
    .executed();

  // deploy Diamond
  const Diamond = cfx.Contract(getArtifacts("Diamond"));
  const txReceipt2 = await Diamond.constructor(
    acct.toString(),
    txReceipt.contractCreated,
    "DiamondToken",
    "DMT"
  )
    .sendTransaction({ from: acct })
    .executed();
  DiamondAddress = txReceipt2.contractCreated;

//Deploy facets indiviually
  const FacetNames = ["OwnershipFacet", "DiamondLoupeFacet", "DiamondToken"];
  const cut = [];
  for (const FacetName of FacetNames) {
    const Facet = cfx.Contract(getArtifacts(FacetName));
    const txReceipt = await Facet.constructor()
      .sendTransaction({ from: acct })
      .executed();


    cut.push({
      facetAddress: txReceipt.contractCreated,
      action: FacetCutAction.Add,
      functionSelectors: await getSelectors(FacetName),
    });
  }

  // upgrade diamond with facets
  const DiamondCutFacet = cfx.Contract({
    abi: getAbi("DiamondCutFacet"),
    address: DiamondAddress,
  });
  let tx;
  //@ts-ignore
  tx = await DiamondCutFacet.diamondCut(
    cut,
    ethers.constants.AddressZero,
    "0x"
  ).sendTransaction({ from: acct });