enum VerificationLevel {
  BASIC = 0,
  ENHANCED = 1,
  INSTITUTIONAL = 2,
}

async requestVerification(
  resourceId: string,
  level: VerificationLevel
): Promise<string>

async submitAttestation(
  resourceId: string,
  approved: boolean
): Promise<string>

async getVerificationRequest(
  requestId: bigint | number
): Promise<VerificationRequest>

async getVerificationFee(level: VerificationLevel): Promise<bigint>

import { Notareum, VerificationLevel, ResourceType } from "@notareum/sdk";
import { parseUnits } from "ethers";

const ntm = Notareum({ provider, signer, contracts });

// 1. Check fee
const fee = await ntm.verification.getVerificationFee(VerificationLevel.BASIC);

// 2. Approve NOTA spend for the VerificationEngine
const notaAbi = ["function approve(address,uint256) returns (bool)"];
const nota = new (await import("ethers")).Contract(
  contracts.notaToken,
  notaAbi,
  signer
);
await (await nota.approve(contracts.verificationEngine, fee)).wait();

// 3. Compute the resource ID and request verification
const resourceId = ntm.registry.computeResourceId(
  ResourceType.ADDRESS,
  1n,
  await signer.getAddress()
);

const txHash = await ntm.verification.requestVerification(
  resourceId,
  VerificationLevel.BASIC
);
console.log("Verification requested:", txHash);

const txHash = await ntm.verification.submitAttestation(
  resourceId,
  true  // approved
);