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backend/scripts/deploy/deploy-multichain.js

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+/* eslint-disable no-console */
+const hre = require('hardhat');
+const path = require('path');
+
+async function deployInNetwork(rpcUrl, pk, salt, initCodeHash, factoryAddress, dleInit) {
+  const { ethers } = hre;
+  const provider = new ethers.JsonRpcProvider(rpcUrl);
+  const wallet = new ethers.Wallet(pk, provider);
+
+  // Ensure factory
+  let faddr = factoryAddress;
+  const code = faddr ? await provider.getCode(faddr) : '0x';
+  if (!faddr || code === '0x') {
+    const Factory = await hre.ethers.getContractFactory('FactoryDeployer', wallet);
+    const factory = await Factory.deploy();
+    await factory.waitForDeployment();
+    faddr = await factory.getAddress();
+  }
+  const Factory = await hre.ethers.getContractAt('FactoryDeployer', faddr, wallet);
+  const tx = await Factory.deploy(salt, dleInit);
+  const rc = await tx.wait();
+  const addr = rc.logs?.[0]?.args?.addr || (await Factory.computeAddress(salt, initCodeHash));
+  return { factory: faddr, address: addr };
+}
+
+async function main() {
+  const { ethers } = hre;
+  const pk = process.env.PRIVATE_KEY;
+  const salt = process.env.CREATE2_SALT;
+  const initCodeHash = process.env.INIT_CODE_HASH;
+  const networks = (process.env.MULTICHAIN_RPC_URLS || '').split(',').map(s => s.trim()).filter(Boolean);
+  const factories = (process.env.MULTICHAIN_FACTORY_ADDRESSES || '').split(',').map(s => s.trim());
+
+  if (!pk || !salt || !initCodeHash || networks.length === 0) throw new Error('Env: PRIVATE_KEY, CREATE2_SALT, INIT_CODE_HASH, MULTICHAIN_RPC_URLS');
+
+  // Prepare init code once
+  const paramsPath = path.join(__dirname, './current-params.json');
+  const params = require(paramsPath);
+  const DLE = await hre.ethers.getContractFactory('DLE');
+  const dleConfig = {
+    name: params.name,
+    symbol: params.symbol,
+    location: params.location,
+    coordinates: params.coordinates,
+    jurisdiction: params.jurisdiction,
+    oktmo: params.oktmo,
+    okvedCodes: params.okvedCodes || [],
+    kpp: params.kpp,
+    quorumPercentage: params.quorumPercentage,
+    initialPartners: params.initialPartners,
+    initialAmounts: params.initialAmounts,
+    supportedChainIds: params.supportedChainIds
+  };
+  const deployTx = await DLE.getDeployTransaction(dleConfig, params.currentChainId);
+  const dleInit = deployTx.data;
+
+  const results = [];
+  for (let i = 0; i < networks.length; i++) {
+    const rpcUrl = networks[i];
+    const factory = factories[i] || process.env.FACTORY_ADDRESS || null;
+    const r = await deployInNetwork(rpcUrl, pk, salt, initCodeHash, factory, dleInit);
+    results.push({ rpcUrl, ...r });
+  }
+  console.log('MULTICHAIN_DEPLOY_RESULT', JSON.stringify(results));
+}
+
+main().catch((e) => { console.error(e); process.exit(1); });
+
+