Deployment Scripts

/*
 * This truffle script will deploy your smart contracts to your SKALE Chain.
 *
 *  @param {String} privateKey - Provide your wallet private key.
 *  @param {String} provider - Provide your SKALE endpoint address.
 */

let HDWalletProvider = require("@truffle/hdwallet-provider");

//Provide your wallet private key
let privateKey = "[YOUR_PRIVATE_KEY]";

//Provide your SKALE endpoint address
let skale = "[YOUR_SKALE_CHAIN_ENDPOINT]";

module.exports = {
    networks: {
        ganache: {
            host: "127.0.0.1",
            port: 8545,
            network_id: "*"
        },
        skale: {
            provider: () => new HDWalletProvider(privateKey, skale),
            gasPrice: 0,
            network_id: "*"
        }
    }
}

truffle deploy --reset --network skale --compile-all

/*
 * This nodeJS script will deploy your smart contracts to your new S-Chain.
 *
 *  @param {String} private key - Provide your private key.
 *  @param {String} account - Provide your account address.
 *  @param {String} SKALE Chain endpoint - provide your SKALE Chain endpoint
 *  @param {String} contractName - Name of your smart contract (i.e. MySmartContract)
 *  @param {String} contractFileName - Complete filename of contract (i.e. MySmartContract.sol)
 */

const Web3 = require('web3');
const solc = require('solc');
const path = require('path');
const fs = require('fs');

let privateKey = "[YOUR_PRIVATE_KEY]";
let account = "[YOUR_ACCOUNT_ADDRESS]";
let schainEndpoint = "[YOUR_SKALE_CHAIN_ENDPOINT]";

let contractName = "HelloSKALE"; //replace with your contract name
let contractFileName = "HelloSKALE.sol"; //replace with the filename of the contract

//Retrieve and compile contract source code
const contractPath = path.resolve(__dirname, 'contracts', contractFileName);
const contractContent = fs.readFileSync(contractPath, 'UTF-8');

//Format contract for solc reader
var contracts = {
  language: 'Solidity',
  sources: {},
  settings: {
    outputSelection: {
      '*': {
        '*': [ '*' ]
      }
    }
  }
}

//add HelloSKALE contract to contract sources
contracts.sources[contractFileName] = { content: contractContent };

//compile data via solc reader
let solcOutput = JSON.parse(solc.compile(JSON.stringify(contracts)));

//get compile HelloSKALE contract
let contractCompiled = solcOutput.contracts[contractFileName][contractName];

//Connect Web3 to your SKALE Chain
const web3 = new Web3(new Web3.providers.HttpProvider(schainEndpoint));


//create transaction
var tx = {
  data : '0x' + contractCompiled.evm.bytecode.object,
  from: account,
  gasPrice: 0,
  gas: 80000000
};

//sign transaction to deploy contract
web3.eth.accounts.signTransaction(tx, privateKey).then(signed => {
  web3.eth.sendSignedTransaction(signed.rawTransaction).
    on('receipt', receipt => {
     console.log(receipt)
   }).
    catch(console.error);
});