Index

High Level Overview of MTK's on-chain validators:

General Checks

All MTK´s validations include basic checks that don't depend on the redeemer

  • Credential token is present in the outputs

  • Correct amount of script inputs

  • Index UTxO preserves address

  • Correct amount of script outputs

Process User Order Redeemer:

  1. For deposit orders:

  • Slippage success:

    • Balance approximates target balance

    • Order token is burnt and the number of minted MTK corresponds to the value added to the instrument

    • Portfolio output datum is correctly updated

    • Portfolio Manager fees are accumulated in the portfolio output value

    • User is paid the minted MTK (minus fees)

  • Slippage failure:

    • No MTK tokens are minted and order token is burnt

    • Portfolio input values equal output values

    • Portfolio input datum equal output datum

    • Assets in the order are paid back to the user (minus the order token)

  1. For withdraw orders:

  • Slippage success:

    • Balance approximates target balance

    • Order token is burnt and the number of minted MTK corresponds to the value removed to the instrument

    • Portfolio output datum is correctly updated

    • Portfolio Manager fees are accumulated in the portfolio output value

    • User is paid the withdrawn assets (minus fees)

  • Slippage failure:

    • No MTK tokens are minted and order token is burnt

    • Portfolio input values equal output values

    • Portfolio input datum equal output datum

    • Assets in the order are paid back to the user (minus the order token)

Process Manager Order Redeemer:

When processing either Update or Collect orders

  • Collect Order:

    • No minting nor burning in the transaction besides the burning of the order token.

    • Portfolio value is only substracting the accumulated fees.

    • Manager is paid the accumulated fees.

    • Portfolio output datum updated accordignly.

  • Update Order:

    • No minting nor burning in the transaction besides the burning of the order token.

    • Portfolio value only changes accordingly

    • New weights are well-formed (sum equals to 1).

    • Portfolio output datum updated accordingly

Index NFT Minting Policy:

  • Only one script output

  • Valid index datum

  • Weights sum equals to 1

  • w asset minted: the index NFT and initial MTK mint

  • Positive amount of MTK minted

  • Index assets paid to correct address

MTK Minting Policy

  • Index NFT is present in the outputs

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