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setup-mpc-client-bash

This project contains a few bash scripts which can be used as a reference as to how to interact with the coordination server.

Requirements

  • You need to be running setup-mpc-client with the environment variable COMPUTE_OFFLINE=1.
  • You need to be running an ETH node such as ganache configured with the account that you will use to verify with the server.

Usage

There are a few environment variables that must/can be specified to perform the computation.

  • ADDRESS: (required) The address to use to sign the transcripts for upload to the server.
  • PREV_ADDRESS: (required) The address of the previous participant to build upon.
  • ETH_URL: (default: http://localhost:8545) The URL of ganache configured with the signing account.
  • API_URL: (default: https://ignition.aztecprotocol.com) The URL of the coordination server.
  • TRANSCRIPTS: (default: 20) The number of transcripts files.
  • SETUP_DIR: (default: ./setup_db) The working directory for the transcript files.

Example:

PREV_ADDRESS=0x6Bd7Ea43FB9E05F551ad4128dD8E412B15B6a770 ADDRESS=0xD528f97aeB2297007f9348B295ee2D475918D517 ./compute.sh

This will download 20 transcript files from the previous participant, perform the computation, sign the files and upload them.

I'm air-gapped / Using my own implementation

Then you will have generated your own sequence of transcript files. You can use the ./upload.sh script to upload them. The files will have to be named in the format transcript0_out.dat, transcript1_out.dat, etc, and be located in SETUP_DIR.

Example:

ADDRESS=0xD528f97aeB2297007f9348B295ee2D475918D517 ./upload.sh