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Union Contracts V2

Background

Union is a member-owned trust backed credit network built on the EVM where members can underwrite lines of credit to other member addresses.
The contracts operates as a DAO and enables any address to accumulate a credit line on-chain in a permission-less, crypto-native way. The protocol itself is not an underwriter of risk, but rather a mechanism to lower the cost of coordinating trust into available credit.

Built using foundry and hardhat

Deployments

Install

To install dependencies:

git clone [email protected]:unioncredit/union-v2-contracts.git && cd union-v2-contracts
yarn install

Compile

To compile with hardhat:

yarn hh:compile

Foundry

Union V1.5 Contracts also includes a suit of tests (fuzzing tests) writte in solidity with foundry

To install Foundry (assuming a Linux or macOS System):

curl -L https://foundry.paradigm.xyz | bash

This will download foundryup. To start Foundry, run:

foundryup

To install dependencies:

forge install

To run tests:

forge test

The following modifiers are also available:

  • Level 2 (-vv): Logs emitted during tests are also displayed.
  • Level 3 (-vvv): Stack traces for failing tests are also displayed.
  • Level 4 (-vvvv): Stack traces for all tests are displayed, and setup traces for failing tests are displayed.
  • Level 5 (-vvvvv): Stack traces and setup traces are always displayed.
forge -vv

To profile gas usage:

forge test --gas-report
forge snapshot

Fork Tests

Integration tests can be run using hardhat.

yarn hh:test

They can also be run in fork mode. (Some tests can be excluded from running in fork mode and other tests can only run in fork mode)

FORK_NODE_URL=<URL> FORK_BLOCK=<NUMBER> yarn hh:test

You can also define which config should be used for the fork mode.

CONFIG=arbitrum FORK_NODE_URL=<URL> FORK_BLOCK=<NUMBER> yarn hh:test

Format

yarn format