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I will like to display the value of a variable in an existing smart contract in Truffle.

Here's my script:

module.exports = async function(callback) {
const project = artifacts.require("project");
let p = await project.at('0x4514bC8332c94AEE465e7c70B0d0497424A66D67');
console.log(p.methods.state.call());}

So I run it hoping that it displays the value of state.

truffle exec test.js

But all I get is this, with no values displayed:

Using network 'development'.

1 Answer 1

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Add await before p.methods.state.call().

You can also get rid of the await before project.at.

And AFAIK, you should use truffle test instead of truffle exec.

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  • You are right. When I copy the same codes to my deployment script it actually works. Thank you!
    – Jackson Ng
    Mar 5, 2020 at 14:44

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