'Essential Guide to Building a Decentralized eCommerce Platform with React and Solidity (Part 1)' decentralizedweb solidity
, once the smart contract is deployed it can no longer be changed in the course of the program.
We're describing a structure for collecting sales data in the code above. We want to collect the buyer and seller's addresses, the number of ethers transacted, the purpose of the transaction, and the time the transaction was completed for each sale made through our smart contract. Solidity provides us with a struct method, which is the best practice for ensuring that these records are correctly entered.
This is an internal method for transferring ethers to a specified address, it works in conjunction with the withdrawal function. It can only be called by another function within our smart contract. // Retreives all processed sales from smart contract function getAllSales public view returns { return sales; }The full code looks like this…
const Store=artifacts.require; module.exports=async => { const [storeOwner, seller, buyer]=await web3.eth.getAccounts const amount=web3.utils.toWei const purpose='Sales on dippers' const store=await Store.deployed let buyerBal=await web3.eth.getBalance let sellerBal=await web3.eth.getBalance let storeOwnerBal=await web3.eth.getBalance console.log, 'ether')}`) console.log, 'ether')}`) console.log, 'ether')}`) console.log, 'ether')} ethers...
日本 最新ニュース, 日本 見出し
Similar News:他のニュース ソースから収集した、これに似たニュース記事を読むこともできます。
A Guide to Vaginal Discharge: What the Color and Consistency Actually MeanDoctors explain what the different types of vaginal discharge mean, including yellow or green discharge, cottage-cheese-like discharge, and more.
続きを読む »
Bunny Gotta Eat: A Guide to Easter Brunch in DallasSpring has officially sprung, summer is peeking around the corner and hopefully we’re all finding time to enjoy the perfect temperatures and blooming tulips.
続きを読む »
Michelle Carter: A Guide to the Texting Suicide Case and Hulu SeriesWe're filling you in on what to know about Michelle Carter’s case and the scripted series PlainvilleHulu starring Elle Fanning. girlfromplainville
続きを読む »
Your guide to salad greens, plus tips to pick, prep and store themA look at some of the more common types of salad greens, along with advice on how to select, wash and store them.
続きを読む »
BMW M3 (E30) | PH Used Buying GuideWhat better time than M's 50th anniversary to buy its biggest icon? PistonHeads BMW E30M3 BuyingGuide
続きを読む »
Guide: How to Choose a Forex Broker| DailyForex
続きを読む »