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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

Oct 8, 2022 at 14:38:31 Central European Summer Time https://explorer.solana.com/tx/3m8EDohkgwJZyiwpGXztBWARWQVxyhnSNDVuH467D7FPS2wxJerr79HhdhDEed5hpConHgGsKHvxtW1HJP6GixX9

  • New ix TokenDepositIntoExisting

Sep 1, 2022 at 10:24:35 Central European Summer Time https://explorer.solana.com/tx/3NnX13A3QwsREKKKo3iYR4jqgoongpCjdhhXuJ3y5iP6FwfPcNieVop623tpgPbyreC7m7KtphwdWdoHYE5YC394

  • Add HealthRegionBegin, -End instructions
  • Add explicit "oracle" account argument for TokenDeposit and TokenWithdraw instructions

Aug 20, 2022 at 19:58:29 Central European Summer Time https://explorer.solana.com/tx/3R4frko1AekQKJmmQ5T6k3mdXF9uZVHTR7oocdspTPsc82xX7qrbgnG61r28UdhCxsjMxtQHgBqMc37FSvoHQfCN

  • loan fee logging for off-chain services

Aug 18, 2022 at 17:17:40 Central European Summer Time https://explorer.solana.com/tx/4Xnyswcwx98y6khw8ptNVmdhQZwJjuNy2BvmQg2pJayoThFiw8kmS2ecRAg5cg2DncvW3NQgn2vtP8mCUtv6Q1yB

  • liq_token_bankruptcy: removed liab_token_index argument

  • flash_loan: both begin and end instructions now require the group to be passed as the final trailing remaining account

  • flash_loan: the end instruction now requires passing a FlashLoanType, so logging can distinguish swaps from other uses

  • ts client changes Class Group banksMap is now private there are now getFirstBankByMint, getMintDecimals, getFirstBankByTokenIndex

    Class MangoAccount How to navigate

    • if a function is returning a I80F48, then usually the return value is in native quote or native token, unless specified
    • if a function is returning a number, then usually the return value is in ui token, unless specified
    • functions try to be explicit by having native or ui in the name to better reflect the value
    • some values might appear unexpected large or small, usually the doc contains a "note"

    getMaxSourceForTokenSwap takes sourceMintPk and targetMintPk instead of sourceTokenName and targetTokenName simHealthRatioWithTokenPositionChanges takes mintPk instead of tokenName getEquivalentNativeUsdcPosition -> getEquivalentUsdcPosition getEquivalentNativeTokenPosition -> getEquivalentTokenPosition getNative -> getTokenBalance getNativeDeposits -> getTokenDeposits getNativeBorrows -> getTokenBorrows getUi -> getTokenBalanceUi deposits -> getTokenDepositsUi borrows -> getTokenBorrowsUi getAssetsVal -> getAssetsValue getLiabsVal-> getLiabsValue

    Class TokenPosition ui -> balanceUi uiDeposits -> depositsUi uiBorrows -> borrowsUi

    Class MangoClient Constructor doesnt take groupName anymore, it optionally takes idsSource with the correct default already set tokenDeposit now takes mintPk instead of tokenName tokenDepositNative now takes mintPk instead of tokenName tokenWithdraw -- same as above -- tokenWithdrawNative -- same as above -- marginTrade takes inputMintPk and outputMintPk instead of inputToken and outputToken marginTrade takes flashLoanType as an argument

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