Module zip317

An implementation of the [ZIP-317] fee calculations for UnminedTxs:

• conventional fee
• block production transaction weight

Enums

Error

Errors related to ZIP-317.

Constants

BLOCK_UNPAID_ACTION_LIMIT

If a tx has more than BLOCK_UNPAID_ACTION_LIMIT “unpaid actions”, it will never be mined by the Recommended algorithm for block template construction, implemented in Zebra here.

MEMPOOL_TX_FEE_REQUIREMENT_CAP

The fee cap for MIN_MEMPOOL_TX_FEE_RATE minimum required mempool fees.

MIN_MEMPOOL_TX_FEE_RATE

The minimum fee per kilobyte for Zebra mempool transactions. Also used as the minimum fee for a mempool transaction.

Functions

conventional_actions

Returns the conventional actions for transaction, max(logical_actions, GRACE_ACTIONS), as defined by ZIP-317.

conventional_fee

Returns the conventional fee for transaction, as defined by ZIP-317.

conventional_fee_weight_ratio

Returns the block production fee weight ratio for transaction, as defined by ZIP-317.

mempool_checks

Make ZIP-317 checks before inserting a transaction into the mempool.

unpaid_actions

Returns the number of unpaid actions for transaction, as defined by ZIP-317.