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Ondo Flux Finance

Ondo Flux Finance is an open-source, Compound V2-derived lending protocol for markets supporting permissioned and permissionless assets. Its documentation describes supplying USDC, DAI and OUSG, while borrowing is limited to DAI and USDC.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Ondo Flux Finance — OpenViST project profile in DeFi.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Consider Flux when you need to evaluate a lending market with distinct supply and borrow asset sets, or when developing against a Compound V2-derived lending implementation with documented KYC and sanctions checks.

Who it is for

  • People assessing whether Flux’s documented lending markets support the assets and actions they need.
  • Developers exploring or testing the protocol’s Solidity contracts and lending-market logic.

Documented uses

  • Supply USDC, DAI or OUSG in a documented lending market.
  • Borrow DAI or USDC, subject to market controls and asset eligibility.
  • Inspect or test lending contracts using the repository’s Foundry test framework and local-market fixture.
Before you choose

Requirements & limits

The repository is public and identifies the project as open source under the BSD-3-Clause license.

  • The README lists USDC, DAI and OUSG as supplyable assets and DAI and USDC as borrowable assets; OUSG market support is described as subject to governance vote.
  • Permission and compliance checks vary by contract and operation: the documentation identifies KYC and sanctions checks on specified fToken actions and KYC checks for fOUSG.
  • The README says fOUSG is not borrowable in the MVP.
  • The price-oracle documentation describes custom CASH-token prices set by a trusted off-chain party using fund NAV, alongside an oracle version with price caps and Chainlink retrieval.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Set up the repository for Foundry tests

Prepare the documented development environment and initialize the repository for running its Foundry tests.

Before you start

  • Node.js 16 or later
  • Yarn
  • Foundry
  • An RPC URL and the repository’s .env.example file

Steps

  1. Install Node.js 16 or later, Yarn, and Foundry.

  2. Copy .env.example to .env; provide an RPC URL and the documented environment values, keeping FORK_FROM_BLOCK_NUMBER unchanged.

  3. Run yarn install.

  4. Run yarn init-repo.

Expected outcome

The README’s documented setup sequence prepares the repository; it lists `yarn test-forge` as the test command.

Guide limitations

  • The README notes that address(this) receives certain permissioned roles in Foundry tests; it advises using a freshly generated address for proof-of-concept work involving access-control bypasses.
  • These are repository instructions, not confirmation that the setup or tests were executed.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
fastbyte19/Ondo-Flux-Finance · Official homepage title · retained in its source language
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