Module fees 

Structs

FeeDetails

FeeHistoryCacheItem

A single item in the whole fee history cache

FeeHistoryService

An async service that takes care of the FeeHistory cache

FeeManager

Stores the fee related information

Constants

BASE_FEE_CHANGE_DENOMINATOR

Bounds the amount the base fee can change between blocks.

INITIAL_BASE_FEE

Initial base fee for EIP-1559 blocks.

INITIAL_GAS_PRICE

Initial default gas price for the first block

MAX_FEE_HISTORY_CACHE_SIZE

Maximum number of entries in the fee history cache

MIN_SUGGESTED_PRIORITY_FEE

Minimum suggested priority fee

Statics

REWARD_PERCENTILES 🔒

Percentile list from 0.0 to 100.0 with a 0.5 resolution (201 points).

Functions

create_fee_history_cache_item 🔒

Builds the FeeHistoryCacheItem for a single block.

insert_fee_history_cache_item 🔒

Inserts an entry into the fee history cache and trims it back to fee_history_limit.

reward_percentiles 🔒

Calculates percentile rewards from transactions sorted by effective reward.

tempo_next_block_base_fee 🔒

Computes the next block’s base fee for a Tempo chain.

Type Aliases

FeeHistoryCache