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brownie
A Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
One more advice - try executing the swaps in javascript/nodejs (https://github.com/ethers-io/ethers.js/) or python (https://github.com/eth-brownie/brownie) first, can be easier to learn. Then move it into a smart contract.
One more advice - try executing the swaps in javascript/nodejs (https://github.com/ethers-io/ethers.js/) or python (https://github.com/eth-brownie/brownie) first, can be easier to learn. Then move it into a smart contract.