Creation and Deployment of Smart Contracts on Ethereum Blockchain. Dr. Hidaia Mahmood Alassouli

Чтение книги онлайн.

Читать онлайн книгу Creation and Deployment of Smart Contracts on Ethereum Blockchain - Dr. Hidaia Mahmood Alassouli страница 4

Creation and Deployment of Smart Contracts on Ethereum Blockchain - Dr. Hidaia Mahmood Alassouli

Скачать книгу

smart contract. So we can always refer to smart contract by that address only.

       We need ethereum to deploy the smart contract in the main net Ethereum blockchain. Because the miner will mine your transection and when itsis confirmed, it must get some fees.

       When you assign values to variables, you change the state of the variables, that means you make changes in block chain, and you must pay gas for that. Someone will mine the transaction and then it will be successful. Get function output the values of variables and does not change state of block chin. So it does not require mining and no fees required.

       Debugger allows you to debug the smart contract

      Конец ознакомительного фрагмента.

      Текст предоставлен ООО «ЛитРес».

      Прочитайте эту книгу целиком, купив полную легальную версию на ЛитРес.

      Безопасно оплатить книгу можно банковской картой Visa, MasterCard, Maestro, со счета мобильного телефона, с платежного терминала, в салоне МТС или Связной, через PayPal, WebMoney, Яндекс.Деньги, QIWI Кошелек, бонусными картами или другим удобным Вам способом.

/9j/4AAQSkZJRgABAQEBLAEsAAD/4gIoSUNDX1BST0ZJTEUAAQEAAAIYAAAAAAIQAABtbnRyUkdC IFhZWiAAAAAAAAAAAAAAAABhY3NwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAA9tYAAQAA AADTLQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAlk ZXNjAAAA8AAAAHRyWFlaAAABZAAAABRnWFlaAAABeAAAABRiWFlaAAABjAAAABRyVFJDAAABoAAA AChnVFJDAAABoAAA

Скачать книгу