Bunz Survey Platform

A survey platform where sponsors can create a survey and users can respond and earn crypto! Sponsors choose how much they want to fund and the payout to each user submission, and a fee for the platform. They create their survey and pay the smart contract the total amount that they want to give out. Upon completion, a user will receive crypto directly from the smart contract. With this method there should be no disputes. The user can verify on the blockchain if they have submitted a response to a survey.

Other features:

  • The sponsor can deactivate the survey at anytime, this will also reimburse the sponsor with the balance left.
  • The platform can profit from the fees
  • The users and sponsors are safe from any disputes

Technologies used

Front End
  • ejs
  • Bootstrap
Back End
  • Node
  • Express
Datastore
  • MongoDB
  • mlab
  • Mongoose
Smart Contract
  • Truffle
  • Ethersjs
  • Web3js
  • Deployed on the kovan testnet at: 0x920e2fe6437d9ced4d3ad0caa95df3927a98fc86

Installation from repo

Follow these steps to run the app locally. Note that the database is running on the cloud mlab.

Install the dependencies and devDependencies...

$ cd bunz-survey
$ npm install

Launch Ganache-cli on a new terminal window...

$ cd bunz-survey
$ ganache-cli -m "birth..."

Open a browser, log in to Metamask and select network Localhost on port 8545.

Compile, test and migrate the contracts to the local blockchain...

$ cd bunz-survey
$ truffle compile
$ truffle test
$ truffle migrate

Open a new terminal and start the server.

$ cd bunz-survey
$ npm run start

Finally, point your browser to http://localhost:3000/ and connect to Metamask!

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