Project_Astral/blockchain/scripts/export_abi.js

const fs = require("fs");
const path = require("path");
const hre = require("hardhat");

async function main() {
  let contractAddressInput = process.env.ASTRAL_ACCESS_ADDRESS || process.argv[2];

  if (!contractAddressInput) {
    const [deployer] = await hre.ethers.getSigners();
    const AstralAccess = await hre.ethers.getContractFactory("AstralAccess", deployer);
    const contract = await AstralAccess.deploy();
    await contract.waitForDeployment();
    contractAddressInput = await contract.getAddress();
    console.log(`No contract address provided. Deployed AstralAccess at ${contractAddressInput}`);
  }

  if (!hre.ethers.isAddress(contractAddressInput)) {
    throw new Error("Invalid address. Use ASTRAL_ACCESS_ADDRESS or pass a valid CLI argument.");
  }

  const normalizedAddress = hre.ethers.getAddress(contractAddressInput);

  const artifactPath = path.join(
    __dirname,
    "..",
    "artifacts",
    "contracts",
    "AstralAccess.sol",
    "AstralAccess.json"
  );

  if (!fs.existsSync(artifactPath)) {
    throw new Error(`Artifact not found: ${artifactPath}. Run 'npx hardhat compile' first.`);
  }

  const artifact = JSON.parse(fs.readFileSync(artifactPath, "utf8"));
  const outputPath = path.join(__dirname, "..", "..", "middleware", "blockchain_config.json");

  fs.mkdirSync(path.dirname(outputPath), { recursive: true });
  fs.writeFileSync(
    outputPath,
    JSON.stringify(
      {
        contractAddress: normalizedAddress,
        abi: artifact.abi,
      },
      null,
      2
    )
  );

  console.log(`Exported blockchain config to ${outputPath}`);
}

main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});