Deploy a compiled smart contract

deploy.js

---- 前面省略 ----
/*
* deploy contract
*/ 
let gasEstimate = web3.eth.estimateGas({data: '0x' + bytecode});
console.log('gasEstimate = ' + gasEstimate);

let MyContract = web3.eth.contract(abi);
console.log('deploying contract...');

let myContractReturned = MyContract.new([], {
    from: address,
    data: '0x'+ bytecode,
    gas: gasEstimate + 50000
}, function (err, myContract) {
    if (!err) {
        // NOTE: The callback will fire twice!
        // Once the contract has the transactionHash property set and once its deployed on an address.
      
        // e.g. check tx hash on the first call (transaction send)
        if (!myContract.address) {
            console.log(`myContract.transactionHash = ${myContract.transactionHash}`); // The hash of the transaction, which deploys the contract
          
        // check address on the second call (contract deployed)
        } else {
            console.log(`myContract.address = ${myContract.address}`); // the contract address
            global.contractAddress = myContract.address;
        }
      
        // Note that the returned "myContractReturned" === "myContract",
        // so the returned "myContractReturned" object will also get the address set.
    } else {
        console.log(err);
    }
});

(function wait () {
    setTimeout(wait, 1000);
})();