Prover Server

Prover Server is a REST API Wrapper & golang binding for SnarkJS

List of implemented features:

• Generate proof

Requirements

• SnarkJS

Installation

1. Build prover server:

   go build ./cmd/prover/prover.go
   

2. Edit config file configs/prover.yaml

3. Put compiled circuits into <circuitsBasePath>/<circuitName> directory. Where <circuitsBasePath> is config option with default value circuits, and <circuitName> is name of the circuit that will be passed as a param to an API call. See SnarkJS Readme for instructions on how to compile circuits.

4. Run prover server:

   ./prover
   

API

Generate proof

POST /api/v1/proof/generate
Content-Type: application/json
{
  "inputs": {...}, // circuit specific inputs
  "circuit_name": "..." // name of directory 
}

Docker images

Build and run container with snarkjs prover:

docker build -t prover-server .
docker run -it -p 8002:8002 prover-server

Build and run container with rapidsnark prover:

docker build -t prover-server-rapidsnark -f Dockerfile-rapidsnark .
docker run -it -p 8002:8002 prover-server-rapidsnark

License

prover-server is part of the iden3 project copyright 2021 0KIMS association and published with GPL-3 license. Please check the LICENSE file for more details.