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Javascript API and library for Ethereum To develop applications on Ethereum, you can use the web3 object provided by the web3.js library. Under the hood it communicates to a local node through RPC calls. web3.js works with any Ethereum node, which exposes an RPC layer. https://github.com/ethereum/wiki/wiki/JavaScript-API

3 votes

Cannot destructure property `interface` of 'undefined' or 'null'. How to solve this?

You need to make sure that you are exporting everything correctly from your compile.js file to your test file. I have spelling error when I was exporting contract, my code bit here module.exports = so …
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