import { expect } from "chai";
import {
  assertCreate2AddressPolicy,
  hasLeadingZeroBytes,
} from "../scripts/workflow/lib/create2";

describe("CREATE2 address policy", function () {
  it("requires four leading zero bytes for eight zero hex characters", function () {
    expect(hasLeadingZeroBytes("0x00000000f2663bd8a94888e555280cde112b2ab7", 4)).to.equal(true);
    expect(hasLeadingZeroBytes("0x00000001f2663bd8a94888e555280cde112b2ab7", 4)).to.equal(false);
  });

  it("checks expected address and vanity prefix before deployment", function () {
    expect(() => assertCreate2AddressPolicy("Counter proxy", "0x00000000f2663bd8a94888e555280cde112b2ab7", {
      expectedAddress: "0x00000000f2663bd8a94888e555280cde112b2ab7",
      leadingZeroBytes: 4,
    })).to.not.throw();

    expect(() => assertCreate2AddressPolicy("Counter proxy", "0x00000001f2663bd8a94888e555280cde112b2ab7", {
      leadingZeroBytes: 4,
    })).to.throw(/Counter proxy.*0x00000000/);
  });
});