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Example

Before running the example app, you need to copy necessary circuit files you want to use to the example app.

assets/copy_assets.sh

To setup the example app, call

yarn install && yarn pods

Also run yarn install in the root folder to install dependencies for the lib as it is not packed.

iOS

yarn ios

Android

yarn android

Custom circuits

To use custom circuits, place your circuit, witness and zkey files in the assets folder and run

assets/copy_assets.sh

Or put these files in the ios for iOS and to android/app/src/main/assets for Android directly.

Circuits generation

You can build your own circuits and witnesses to use with example app. Circom

MacOS Setup

  1. Requires Homebrew and Node.
  2. Install circom.
  3. Install snarkjs. In case of errors try using Node 18 with n or other version manager.
  4. If you want to test inputs - place input.json file in internal circuits dir.
  5. Run ./circuits/scripts/build.sh to generate the circuit and witness files, prove and verify circuit with given input.json.
  6. Run ./circuits/scripts/copy_to_example.sh to update example app with new circuit and witness files.

circuits folder is taken from iden3/circuits repo.

circuits/input.json is taken from iden3/circuits test, line 10.