winter-protocol

These contracts allow data to be securly and immutably saved and saved.

Main requirements

These are the main requirements the contracts need to fulfil:

• Allow minting and burning of singleton
• Preserve certain datum data during recreation
• Allow authorized addresses to interact with contract
• Allow destruction of contract

Validators

singleton

This validator ensures only one unique singleton can be minted. It also allows for burn of respective singleton.

object_event

This validator allows for two things:

• Recreation of utxo where datum is preserved and singleton is transferred
• Destruction of utxo where lovelace is extracted and singleton is burned

Recreation

• lovelace of new utxo is greater than or equal to current utxo
• singleton is transferred
• datum is preserved
  • creation info is the txId of the original tx. Only the first utxo is empty, the rest must always point to the original tx.
  • data referennce must be changed, because recreation is only done for error correction
• At least one signer in datum must be facilitating the transaction
• winter fee must be paid

Spending

• singleton must be burned
• winter fee must be paid
• At least one signer in datum must be facilitating the transaction

Building

aiken build

Testing

To run all tests, simply do:

aiken check

To run only tests matching the string foo, do:

aiken check -m foo