README.md

Requirement

• circom
  • 0.5.45
• python
  • 3.6.12
• nodejs
  • v12.0.0
• solidity
  • v0.5.16
• truffle
  • v5.3.14

hasher：mimc7

Steps

• compose circuits

  • mixer.circom
  • get_merkle_root.circom

• compose contracts

  • mixer
  • Merkle

Circuits

generate public input，Private input

$ yarn generate

Compile

$ cd circuit;  ./run.sh mixer

Wait until you are asked to type in the random text, and input the same secret twice!!

Test

$ yarn deploy_mimc
$ ### find the contract address from geth console, and change the mimc address in migrations/2_deploy_contracts.js
$ yarn call_mimc ${mimc address}

$ truffle migrate --reset
$ yarn call_mixer ${mixer address}

Reference

1. https://keen-noyce-c29dfa.netlify.com/#2
2. https://blog.iden3.io/first-zk-proof.html