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Private Exchange local demo environment setup

Prerequisites

  • node@^12.x.x
  • docker, docker compose

Setup local geth node and coordinator

Clone zkopru repository

$ git clone https://github.com/zkopru-network/zkopru.git

Build and run geth and coordinator inside docker containers

$ yarn bootstrap
$ yarn develop

By running these commands, it installs dependencies and build packages. Then start local geth node and coordinator inside docker containers.

It also starts coordinator TUI in http://localhost:1234.

Start auto coordination and setup url

  1. Open http://localhost:1234
  2. Select setup menu, then select register as a coordinator.
  3. Go back to previous menu and select start auto coordination.
  4. Select auction menu, then select update url and input 127.0.0.1:8888 to target local coordinator process.

Setup zkopru wallet and deposit ETH and ERC20

clone zkopru wallet repo

$ git clone https://github.com/zkopru-network/wallet.git

setup following README of wallet repo

Change ws url and zkopru contract address to local ones. wallet repo src/stores/zkopru.js:5L

// const URL = 'wss://goerli.infura.io/ws/v3/5b122dbc87ed4260bf9a2031e8a0e2aa'
// const URL = 'wss://goerli2.zkopru.network'
const URL = 'ws://127.0.0.1:5000'
const ZKOPRU_CONTRACT = '0x970e8f18ebfEa0B08810f33a5A40438b9530FBCF'

Register ERC20 and Deposit to use for swap

  1. Deploy any ERC20 contract to Local geth node.
  2. Register deployed ERC20 to zkopru from wallet token library page.
  3. Deposit ETH and ERC20 in two different accounts for swap. Note that in order to send transaction on zkopru, you need ETH for fee.

Setup private exchange

clone private exchange repo

$ git clone https://github.com/zkopru-network/private-exchange.git

install dependencies

$ yarn

change zkopru ws url to ws://127.0.0.1:5000 and zkopru contract address to 0x970e8f18ebfEa0B08810f33a5A40438b9530FBCF

start dev server and frontend in two different terminal

$ yarn start:server
$ yarn start # in different terminal