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mango-v4/CHANGELOG.md

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Mango v4 Program Change Log

Update this for each mainnet deployment.

not on mainnet

mainnet

Aug 8, 2022 at 18:56:04 Central European Summer Time https://explorer.solana.com/tx/yjZggRTrcDNquMkftNvBKLv77Dk4xp5yQPYXgN3qvBHTBWWJVhLPGHxqpGwosmEq3j8byHZMa13oxLLerBWUdgW

  • improved logging for off chain services
  • AccountCreate ix takes explicit input for sizes of various features

Aug 4, 2022 at 09:30:00 Central European Summer Time

ts/client changes

  • Renamed getGroupForAdmin to getGroupForCreator.
  • Renamd getInNativeUsdcUnits to getEquivalentNativeUsdcPosition.
  • Renamd getMangoAccountForOwner to getMangoAccountsForOwner.
  • getOrCreateMangoAccount and createMangoAccount take an explicit payer, previously it was just implicitly using the client provider's wallet
  • Upgraded anchor npm package to latest.
  • Anchor is now a git submodule.

New features

  • Many rust liquidator improvements.
  • MangoAccount is now dynamically sized and is expandable, there is a new AccountExpand ix, default size of account is 8 token positions, and 2 serum3 and 2 perp positions, expanded account has 16 token positions and 8 serum3 and 8 perps for now.
  • Group account - has a creator field which is set on creation and should never change, is used for pda derivation, has a new fast_listing_admin field for governance, and also has a GroupEdit ix to change both the admin keys.
  • Group account - has a version field, version 0 which is used in the setup scripts for now, means serum3 and perp market registration is forbidden, and multiple banks are prevented from been added.
  • Each account now has a reserved space of around 256 bytes.
  • flash_loan ix 1 and 2 are removed, flash loan 3 has been renamed to just FlashLoan.
  • MintInfo, Serum3Market, and PerpMarket have a field called registration_time which is seconds from epoch, e.g. use case how freshly has the market been added, if it was recently added then liquidity might need some time to improve
  • Removed fields and commented out code for address lookup tables.
  • New TokenRegisterTrustless ix to register tokens trustlessly.
  • Insurance fund is now disabled for trustless tokens.
  • TokenRegistration and TokenRegisterTrustless ixs dont take a bank_num anymore, hardcoded to 0.
  • Enforced a minimum maximum rate of 50% so that rates don't fall so low that they cannot recover.

Jul 14, 2022 at 09:33:52 Central European Summer Time https://explorer.solana.com/tx/vZ5hP1vGp37fgzBfG9nb4nfA5ZdmYgk8meq53YPR4ReFxrcTwBUxTYBQUgnfAnq9u5fH36S3QTfb9mVkBXt5A6C

  • Account data was rearranged to put fields that are often used with gPA first

  • The CreateGroup instruction now requires an insurance_mint account, which is used as the mint for the insurance_vault token account it creates. Pass the USDC mint address.

  • The token with token_index zero is now required to be the insurance_mint. Trying to register a different token for index zero will now fail.

  • New instruction: LiqTokenBankruptcy to resolve insurance fund payouts and socialized loss for bankrupt accounts.

  • The PerpCreateMarket instruction no longer requires a quote_token_index argument. The USDC/insurance mint is always used as quote currency for perps.

  • The UpdateIndex instruction now requires the oracle account to be passed for logging purposes.

  • New instructions: AccountEdit, TokenEdit, PerpEditMarket for reconfiguring.

  • The delegate field on MangoAccount is now used and many instructions can be called by the account delegate.

  • TokenUpdateIndexAndRate now maintains dynamic optimal and max rates for token interest rates.

  • Renamed instructions:

    • create/close_group -> group_create/close
    • create/edit/close_account -> account_create/edit/close
    • update_index -> token_update_index
    • create/set_stub_oracle -> stub_oracle_create/set