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Tag Archives: JavaScript

Programming Ethereum smart contract transactions in JavaScript

Introduction This a tutorial blog post and web application showing how to deploy an Ethereum smart contract and transacting with this contract from a web user interface. The web application written using JavaScript, React user interface library and Bootstrap theming. The application is coded in ECMAScript 2016 and wrapped together using Webpack module bundler. For the deployment of the contract ...

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Creating offline Ethereum transactions in JavaScript

Preface In this blog post we show how to create Ethereum blockchain transactions programmatically in JavaScript and offline. This is the second part of tutorial blog posts continuing the earlier Ethereum JavaScript tutorial left. We bend the meaning of the word offline here a bit. We still communicate with Ethereum network to get the gas cost and the next transaction ...

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