compile.js

const solc = require('solc');
const fs = require('fs');
const path = require('path');

const contractPath = path.join(__dirname, 'contracts', 'ArcEscrow.sol');
const source = fs.readFileSync(contractPath, 'utf8');

const input = {
  language: 'Solidity',
  sources: {
    'ArcEscrow.sol': { content: source }
  },
  settings: {
    outputSelection: {
      '*': {
        '*': ['abi', 'evm.bytecode.object', 'evm.deployedBytecode.object']
      }
    },
    optimizer: { enabled: true, runs: 200 }
  }
};

const output = JSON.parse(solc.compile(JSON.stringify(input)));

let hasError = false;
if (output.errors) {
  for (const err of output.errors) {
    if (err.severity === 'error') {
      hasError = true;
      console.error('ERROR:', err.formattedMessage);
    } else {
      console.warn('WARNING:', err.formattedMessage);
    }
  }
}

if (hasError) {
  console.error('\nCompilation FAILED.');
  process.exit(1);
}

const contract = output.contracts['ArcEscrow.sol']['ArcEscrow'];
console.log('\nCompilation SUCCEEDED.');
console.log('Bytecode size (deployed):', contract.evm.deployedBytecode.object.length / 2, 'bytes');
console.log('Number of ABI entries:', contract.abi.length);

// Write artifacts for later use (deploy script, frontend ABI)
fs.writeFileSync(
  path.join(__dirname, 'ArcEscrow.abi.json'),
  JSON.stringify(contract.abi, null, 2)
);
fs.writeFileSync(
  path.join(__dirname, 'ArcEscrow.bytecode.txt'),
  '0x' + contract.evm.bytecode.object
);
console.log('\nWrote ArcEscrow.abi.json and ArcEscrow.bytecode.txt');