Gas e transações

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://rpc-develop.pgubright.com', {
  chainId: 20260520,
  name: 'brightcity-chain-testnet',
});

const signer = new ethers.Wallet(process.env.DEPLOYER_PRIVATE_KEY!, provider);

// Ler saldo nativo
const balance = await provider.getBalance(await signer.getAddress());

// Transação simples
const tx = await signer.sendTransaction({
  to: '0xDESTINO',
  value: ethers.parseEther('0.01'),
  gasPrice: 1_000_000_000n, // ajuste conforme política da testnet
  gasLimit: 21_000n,
});

const receipt = await tx.wait();
console.log({ balance: balance.toString(), status: receipt?.status });

const HelloWorld = await ethers.getContractFactory('HelloWorld', signer);
const estimated = await provider.estimateGas({
  from: await signer.getAddress(),
  data: HelloWorld.getDeployTransaction('mensagem').data,
});

console.log('Gas estimado (deploy):', estimated.toString());