Hello I'm new to Solidity and Smart Contract. But I did create some simple smart contract. I just want to ask for any help or guide, is there a way for me to store the data from my solidity into a centralized database like MongoDB? Thank you 🙂

Sep 27, 2019, 6:40 AM

Good approach would be to put a event in setter function, and store data to mongodb within event listener

Sep 27, 2019, 7:05 AM

Do i need to use web3js and nodejs to achieve this?

Sep 27, 2019, 7:12 AM

Yep

Sep 27, 2019, 7:12 AM

Thank you abhi!

Sep 27, 2019, 7:13 AM

👍

Sep 27, 2019, 7:13 AM

Hello again Abhi. Is there a way to use data from MongodDB inside solidity smart contract? 🙂

Oct 13, 2019, 10:38 AM

Sure, use mongoose to read mongo and web3 to write to contract

Oct 13, 2019, 11:37 AM

Writing to contract needs gas?

Oct 13, 2019, 11:40 AM

Yes

Oct 13, 2019, 11:40 AM

Thanks again Abhi! 🙂

👆 this one

Oct 15, 2019, 2:45 PM

Instead of exposing the DB to other services

Oct 15, 2019, 2:52 PM