CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

[1.51.0] - 2023-05-16

• SIP-75: Burn XAI credit line in RAI silo

[1.50.0] - 2023-05-10

• SIP-72: Setup for wstETH and OHMv2 on Arbitrum
• SIP-73: Fix Setup for wstETH and OHM on Arbitrum
• SIP-74: Setup for PEPE, XDEFI, boxETH, BLUR on Mainnet

[1.49.0] - 2023-05-09

• SIP-70 Update XAI config for USDC

[1.48.0] - 2023-05-09

• Update XAI config

[1.47.1] - 2023-04-28

Changed

• merging two IRM models into one
• optimizing model behavior
• gas optimizations

[1.47.0] - 2023-04-25

Added

• SIP-53: Change rDPX oracle to DIA (Arbitrum)

[1.46.0] - 2023-04-12

Added

• SIP-52: Setup for WBTC and VELA on Arbitrum

[1.45.0] - 2023-04-11

Added

• DIA oracle
• SIP-50: Setup for JONES and SPA on Arbitrum
• SIP-51: proposal to change XAI price to USDC

[1.44.1] - 2023-04-04

Fixed

• fix changelog

[1.44.0] - 2023-04-04

Added

• SIP-48 ARB launch
• SIP-49 update ARB setup

[1.43.0] - 2023-03-19

Added

• SIP-47: launching PREMIA

[1.42.0] - 2023-03-11

Added

• SIP-46: Transfer admin functions to core team (emergency proposal)

[1.41.0] - 2023-03-08

Added

• SIP-45: Migrate rETH to Chainlink price oracle

[1.40.2] - 2023-03-06

Changed

• exclude PREMIA from SIP-44 and put it in separate SIP

[1.40.1] - 2023-02-28

Changed

• new address of ethEmergencyMultisig

Fixed

• fix vested dates for 8 new vesters

[1.40.0] - 2023-02-27

Added

• SIP-44: Setup for 3 assets on Arbitrum
• 8 new vesters contracts

[1.39.0] - 2023-02-23

Added

• SIP-42: Mint/Burn XAI (February)
• SIP-43: Set protocol fees to 25% (Arbitrum)

[1.38.0] - 2023-02-23

Added

• SiloIncentivesController - reward distributor
• SIP-41: Setup rewards notifications for Silos

[1.37.1] - 2023-02-16

Fixed

• fix silo unit tests

[1.37.0] - 2023-02-10

Added

• view method to calculate used deposits with interests
• ManualLiquidation contract

[1.36.0] - 2023-02-07

Added

• Arbitrum production
  • SIP-39 Initial Setup For Arbitrum
  • SIP-40 Phase 1: Assets Setup For Arbitrum

Updated

• LiquidationHelper

[1.35.0] - 2023-02-02

Added

• SIP-37: Proposal to set protocol fees to 10%
• SIP-38: Claim DAO's vested SILO

[1.34.0] - 2023-02-02

Added

• option to force liquidation even when it might be not profitable

[1.33.0] - 2023-01-27

Added

• SIP-35: Disable sETH2, FTT and xSushi Silos
• SIP-36: Mint XAI to silos

[1.32.0] - 2023-01-25

Added

• SIP-34: Change IRM config for WETH in all silos

[1.31.0] - 2023-01-24

Added

• SIP-33:
  • rETH and agEUR Silos
  • Update IRM for OHM asset

[1.30.0] - 2023-01-18

Changed

• SIP-32: Setup fallback providers for DAI and USDP

[1.29.1] - 2023-01-12

Fixed

• support non-standard ERC20.approve in LiquidationHelper eg for USDT

[1.29.0] - 2023-01-10

Updated

• cbETH aggregator in the ChainlinkV3PriceProvider.

[1.28.0] - 2022-12-30

Added

• 0x support for LiquidationHelper
• XAICurveMagicianETH

Changed

• Send all earnings from liquidation process to executor, not to LiquidationHelper.owner()

[1.27.1] - 2022-12-22

Fixed

• changed OHM pool in GOHMMagician to Balancer OHM-ETH.

[1.27.0] - 2022-12-12

Added

• add OHMMagician to support OHM liquidation

[1.26.0] - 2022-12-09

Added

• GOHMMagician gOHM magician to support liquidation

[1.25.0] - 2022-12-09

Added

• WSTETHMagician wstETH magician to support liquidation
• STETHMagician stETH magician to support liquidation

Updated

• LiquidationHelper to support magicians for assets liquidation

Fixed

• fix gas calculation in LiquidationHelper, ensure it is closer to reality

[1.24.0] - 2022-12-01

Added

• Control Tower for keeping track of some contract addresses

[1.23.1] - 2022-11-29

Fixed

• fix changelog for 1.23.0

[1.23.0] - 2022-11-23

Added

• SIP-30: Update interest rate models and price providers for existing Silos

Updated

• improve testLiquidation task

[1.22.0] - 2022-11-15

Added

• SIP-29: cancel SIP-24, GOHMPriceProvider and gOHM Silo proposals

[1.21.0] - 2022-11-15

Added

• Support IndividualPriceProvider in GOHMPriceProvider

[1.20.0] - 2022-11-11

Added

• SIP-28: 3 new markets

[1.19.0] - 2022-11-09

Added

• SIP-27: WSTETHPriceProvider
• testLiquidation task for testing liquidation process for any asset

[1.18.0] - 2022-11-08

Added

• WSTETHPriceProvider created and deployed

[1.17.1] - 2022-11-05

Fixed

• Support two ChainlinkPriceProviders in LiquidationHelper

[1.17.0] - 2022-11-04

Added

• SIP-26: 7 new markets

[1.16.0] - 2022-11-02

Changed

• SIP 25: Setup Chainlink price provider, Uniswap fallback pool for cbETH

[1.15.0] - 2022-11-02

Changed

• SIP 24: GOHMPriceProvider and gOHM Silo

[1.14.0] - 2022-11-02

Changed

• SIP 23: XAI Fallback

[1.13.0] - 2022-11-01

Added

• UniswapV3PriceProviderXAI

[1.12.0] - 2022-11-01

Added

• gOHM Silo deployments

[1.11.0] - 2022-11-01

Added

• proposals for 47 markets

[1.10.0] - 2022-10-26

Added

• GOHMPriceProvider

[1.9.0] - 2022-10-24

Added

• ChainlinkV3ReverseAggregator
• SIP-19: new XAI market / XAI minting and configuration for existing assets

[1.8.4] - 2022-10-20

Updated

• ChainlinkV3PriceProvider

[1.8.3] - 2022-10-17

Changed

• New proposal flow
• Use ethers.Wallet to send proposals (EIP-1559)

Fixed

• SIP-18: unregister old and register new ChainlinkV3PriceProvider

[1.8.2] - 2022-10-10

Changed

• Expose getAggregatorPrice method and make all methods virtual in ChainlinkV3PriceProvider.

[1.8.1] - 2022-10-07

Added

• New InterestRateModelXAI model

[1.8.0] - 2022-10-04

Added

• Add proposal for registering new Uniswap and Chainlink providers (SIP-17)

[1.7.1] - 2022-09-29

Fixed

• fixed issue with hubflow, adding tag that will include missing deployments

[1.7.0] - 2022-09-28

Added

• Add ChainlinkV3 provider support in liquidation helper
• Add missing functionality to ChainlinkV3 provider
• Chainlink provider formal verification

[1.6.0] - 2022-09-20

Added

• Add UniswapV3 provider V2 with support for non-eth prices
• Add UniswapV3SwapV2 related to UniswapV3 V2
• Add polygon as staging environment

[1.5.0] - 2022-09-14

Added

• add depositAPY to InterestRateDataResolver

Fixed

• fix issue with redeployment of PRBMathCommon and PRBMathSD59x18
  (deployment was done, and then license was changed and artifacts were modified manually)
• fix issue with redeployment of UniswapV3PriceProvider (package @uniswap/v3-core/contracts/libraries/FullMath.sol was updated)

[1.4.0] - 2022-09-09

Added

• cbETH Silo

[1.3.2] - 2022-08-18

Removed

• remove rinkeby support

[1.3.1] - 2022-08-16

Added

• testnets deployments
• code verification (and silo verification task)

Removed

• remove kovan support

[1.3.0] - 2022-08-09

Added

• mainnet deployments

Changed

• when setting up model config, call silo.accrueInterest before new config is saved
• fix non-checksum address comparison in deployment scripts
• license update for PRBMathSD59x18 and PRBMathCommon

[1.2.4] - 2022-07-28

Changed

• betaConfig with receipts

[1.2.3] - 2022-07-21

Added

• testnets deployments

Changed

• license

Fixed

• detection of issues with SiloRepository deployments

[1.2.2] - 2022-07-20

Changed

• handle UniswapV3 OLD error on getPrice
• beta deployments with fixed configuration

[1.2.1] - 2022-07-11

Added

• certora
• nonReentrant for initAssetsTokens and syncBridgeAssets

[1.2.0] - 2022-07-07

Added

• add manager to GuardedLaunch
• beta deployments scripts + initial configuration

Changed

• return timestamp with Silo assets data in InterestRateDataResolver

[1.1.4] - 2022-07-07

Fix

• sync share token state and Silo state on repay, when burning tokens

[1.1.3] - 2022-07-06

Changed

• added calculateCompoundInterestRateWithOverflowDetection, overflowDetected methods to InterestRateModel
• added overflow check in InterestRateModel and rcomp restriction to not cause _accrueInterest to revert in BaseSilo

[1.1.2] - 2022-07-05

Changed

• Round in favor of the protocol (introduced EasyMath.toShareRoundUp and EasyMath.toAmountRoundUp)

[1.1.1] - 2022-06-22

Changed

• toShare and toAmount revert if the result is 0 and amount is not 0
• Support specifying type(uint256).max for repaying through the router

[1.1.0] - 2022-06-15

Added

• add UniswapV3PriceProvider.quotePrice method that allows to check the quote price

Changed

• make siloRepository public on TokensFactory and SiloFactory and add InitSiloRepository event

[1.0.2] - 2022-06-09

Fixed

• fixed usage of the liquidity function inside the _withdrawAsset function

[1.0.1] - 2022-06-06

Changed

• outdated reentracy comment

[1.0.0] - 2022-06-06

Added

• minimal operational share amount
• improvements, fixes based on audit from ABDK and Quantstamp
• a lot of "nice to haves"

[0.5.3] - 2022-05-11

Changed

• improvements, fixes based on internal audit

[0.5.2] - 2022-05-02

Added

• added SiloLens.hasPosition(silo, user)

Fixed

• make depositAPY return 0 when no deposit.

[0.5.1] - 2022-03-29

Added

• testnets deployments

[0.5.0] - 2022-03-29

Added

• contract verification ping-pong

Changed

• Oracle pools can be added manually only by manager
• rename Oracle => 'PriceProvider

Removed

• automatic oracle detection removed
• remove signature check for off-chain verification for new silo

[0.4.2] - 2022-01-25

Changed

• license

[0.4.1] - 2022-01-24

Changed

• license

[0.4.0] - 2022-01-20 (audit release)

Added

• generated tests for interest rate model
• flash liquidation (TODO: splitting rewards)
• Silo Factory
• Tokens Factory
• add support to transfer collateral (deposit) and debt (new token standard ERC20R)
• signature check for off-chain verification for new silo
• expose methods for off-chain verifications
• liquidation helper contract
• Support multiple Silo versions
• Dynamic Interest Rate Model

Changed

• combine Silo and Bridge
• multiple bridge assets
• increased decimal points for variables and calculations basis points
• better support for TWAP prices for UniswapV3 and BalancerV2: check if pool is ready for TWAP calculations
• collateral only Silo deposits
• repayFor will be possible to execute by anyone but only for not solvent borrowers

Removed

• remove cloning (it is more efficient to pay more for creation and less for usage)
• remove standard liquidation
• removed cloning for share tokens

[0.3.0] - 2021-12-14

Added

• Wrapper for SILO token contract to allow voting with unvested tokens in snapshot off-chain votings

[0.2.0] - 2021-11-30

Added

• Silo Governance Token
• Silo Governor based on OZ Governor
• Treasury Vester contract forked from Uniswap

[0.1.0-alpha] - 2021-11-16

Added

• linters, CI workflows
• BalancerV2 as oracle
  • with method for FE to filter pools for asset
• Aragon DAO script to create voting for new Silo

Changed

• oracles workflow:
  • separate oracles and made them work in more automatic way
  • common event for any asset operation in oracles
• update UniswapV3 to follow new oracle patterns
• interest rate calculation based on intervals (virtual balances)
• made getPrice a view
• split lastUpdateTimestamp into timestamps for balance and interest rates
• split InterestModel into VirtualBalances and Model
• unify naming, remove liquidity and debt, use deposit and borrowAmount

Fixed

• oracle initialization when new Silo is created

Removed

• Chainlink and UniswapV2 oracles

[0.0.0] - 2021-10-18

Added

• initial version of Silo protocol
• initial versions of oracles (Chainlink, UniswapV2, UniswapV3)