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Ω Olympus Smart Contracts

🔧 Setting up Local Development

Required:

Local Setup Steps:

  1. git clone https://github.com/OlympusDAO/olympus-contracts.git
  2. Install dependencies: npm install
  3. Compile Solidity: npm run compile
  4. TODO: How to do local deployments of the contracts.

🤨 How it all works

High Level Contract Interactions

Mainnet Contracts & Addresses

Contract Addresss Notes
OHM 0x383518188c0c6d7730d91b2c03a03c837814a899 Main Token Contract
sOHM 0x31932e6e45012476ba3a3a4953cba62aee77fbbe Staked Ohm
Treasury 0x31F8Cc382c9898b273eff4e0b7626a6987C846E8 Olympus Treasury holds all the assets
OlympusStaking 0xfd31c7d00ca47653c6ce64af53c1571f9c36566a Main Staking contract responsible for calling rebases every 2200 blocks
StakingHelper 0xc8c436271f9a6f10a5b80c8b8ed7d0e8f37a612d Helper Contract to Stake with 0 warmup
Aave Allocator 0x0e1177e47151Be72e5992E0975000E73Ab5fd9D4 Sends DAI from the treasury to Aave (via deposit) in exchange for aDAI and holds it. See Allocator Guide
Convex Allocator 0x3dF5A355457dB3A4B5C744B8623A7721BF56dF78 Sends FRAX from the treasury to Convex and accumulates trading fees, CRV and CVX. See Allocator Guide
Onsen Allocator 0x0316508a1b5abf1CAe42912Dc2C8B9774b682fFC Sends OHM-DAI SLP from the treasury to the Sushi Onsen pool, accumulating SUSHI and xSUSHI. See Allocator Guide
DAO 0x245cc372C84B3645Bf0Ffe6538620B04a217988B Storage Wallet for DAO under MS
Staking Warm Up 0x2882A5CD82AC49e06620382660f5ed932607c5f1 Instructs the Staking contract when a user can claim sOHM

Bonds

  • TODO: What are the requirements for creating a Bond Contract? All LP bonds use the Bonding Calculator contract which is used to compute RFV.
Contract Addresss Notes
Bond Calculator 0xcaaA6a2d4B26067a391E7B7D65C16bb2d5FA571A
DAI bond 0x575409F8d77c12B05feD8B455815f0e54797381c Main bond managing serve mechanics for OHM/DAI
DAI/OHM SLP Bond 0x956c43998316b6a2F21f89a1539f73fB5B78c151 Manages mechhanism for thhe protocol to buy baack its own liquidity from the pair.
FRAX Bond 0x8510c8c2B6891E04864fa196693D44E6B6ec2514 Similar to DAI bond but using FRAX
FRAX/OHM SLP Bond 0xc20CffF07076858a7e642E396180EC390E5A02f7 Similar to DAI/OHM but using FRAX

OLD Contracts:

sOHM: 0x31932e6e45012476ba3a3a4953cba62aee77fbbe Vault: 0x886ce997aa9ee4f8c2282e182ab72a705762399d Staking (v1): 0x0822f3c03dcc24d200aff33493dc08d0e1f274a2

Testnet Addresses

Network: Rinkeby (4)

  • OHM: 0xC0b491daBf3709Ee5Eb79E603D73289Ca6060932
  • DAI: 0xB2180448f8945C8Cc8AE9809E67D6bd27d8B2f2C
  • Frax: 0x2F7249cb599139e560f0c81c269Ab9b04799E453
  • Treasury: 0x0d722D813601E48b7DAcb2DF9bae282cFd98c6E7
  • OHM/DAI Pair: 0x8D5a22Fb6A1840da602E56D1a260E56770e0bCE2
  • OHM/Frax Pair: 0x11BE404d7853BDE29A3e73237c952EcDCbBA031E
  • Calc: 0xaDBE4FA3c2fcf36412D618AfCfC519C869400CEB
  • Staking: 0xC5d3318C0d74a72cD7C55bdf844e24516796BaB2
  • sOHM: 0x1Fecda1dE7b6951B248C0B62CaeBD5BAbedc2084
  • Distributor 0x0626D5aD2a230E05Fb94DF035Abbd97F2f839C3a
  • Staking Warmup 0x43B18Ad2624DBEf474aA8E0c8d8404a0A42b7aC4
  • Staking Helper 0xf73f23Bb0edCf4719b12ccEa8638355BF33604A1

Allocator Guide

The following is a guide for interacting with the treasury as a reserve allocator.

A reserve allocator is a contract that deploys funds into external strategies, such as Aave, Curve, etc.

Treasury Address: 0x31F8Cc382c9898b273eff4e0b7626a6987C846E8

Managing: The first step is withdraw funds from the treasury via the "manage" function. "Manage" allows an approved address to withdraw excess reserves from the treasury.

Note: This contract must have the "reserve manager" permission, and that withdrawn reserves decrease the treasury's ability to mint new OHM (since backing has been removed).

Pass in the token address and the amount to manage. The token will be sent to the contract calling the function.

function manage( address _token, uint _amount ) external;

Managing treasury assets should look something like this:

treasury.manage( DAI, amountToManage );

Returning: The second step is to return funds after the strategy has been closed. We utilize the deposit function to do this. Deposit allows an approved contract to deposit reserve assets into the treasury, and mint OHM against them. In this case however, we will NOT mint any OHM. This will be explained shortly.

Note The contract must have the "reserve depositor" permission, and that deposited reserves increase the treasury's ability to mint new OHM (since backing has been added).

Pass in the address sending the funds (most likely the allocator contract), the amount to deposit, and the address of the token. The final parameter, profit, dictates how much OHM to send. send_, the amount of OHM to send, equals the value of amount minus profit.

function deposit( address _from, uint _amount, address _token, uint _profit ) external returns ( uint send_ );

To ensure no OHM is minted, we first get the value of the asset, and pass that in as profit. Pass in the token address and amount to get the treasury value.

function valueOf( address _token, uint _amount ) public view returns ( uint value_ );

All together, returning funds should look something like this:

treasury.deposit( address(this), amountToReturn, DAI, treasury.valueOf( DAI, amountToReturn ) );

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