Clock
- class Clock
A representation of network time.
All members of
Clockstart from 0 upon network boot.- epoch
The current epoch.
- Type:
int
- epoch_start_timestamp
The timestamp of the first
Slotin thisEpoch.- Type:
int
- static from_bytes(data)
Deserialize from bytes.
- Parameters:
data (bytes) – the serialized object.
Returns: the deserialized object.
- static from_json(raw)
Build from a JSON string.
- leader_schedule_epoch
The future Epoch for which the leader schedule has most recently been calculated.
- Type:
int
- slot
The current Slot.
- Type:
int
- to_json()
Convert to a JSON string.
- unix_timestamp
The approximate real world time of the current slot.
- Type:
int
- DEFAULT_DEV_SLOTS_PER_EPOCH: Final[int] = 8192
- DEFAULT_HASHES_PER_SECOND: Final[int] = 2000000
- DEFAULT_HASHES_PER_TICK: Final[int] = 12500
- DEFAULT_MS_PER_SLOT: Final[int] = 400
The expected duration of a slot in milliseconds.
- DEFAULT_SLOTS_PER_EPOCH: Final[int] = 432000
The number of slots per epoch after initial network warmup.
- DEFAULT_S_PER_SLOT: Final[float] = 0.4
- DEFAULT_TICKS_PER_SECOND: Final[int] = 160
The default tick rate that the cluster attempts to achieve.
- DEFAULT_TICKS_PER_SLOT: Final[int] = 64
- FORWARD_TRANSACTIONS_TO_LEADER_AT_SLOT_OFFSET: Final[int] = 2
Transaction forwarding, which leader to forward to
- GENESIS_EPOCH: Final[int] = 0
- HOLD_TRANSACTIONS_SLOT_OFFSET: Final[int] = 20
Transaction forwarding, how long to hold
- INITIAL_RENT_EPOCH: Final[int] = 0
- MAX_HASH_AGE_IN_SECONDS: Final[int] = 120
The window of recent blockhashes over which the bank will track signatures.
- MAX_PROCESSING_AGE: Final[int] = 150
The maximum age of a blockhash that will be accepted by the leader
- MAX_RECENT_BLOCKHASHES: Final[int] = 300
Max number of recent blockhashes (one blockhash per non-skipped slot)
- MAX_TRANSACTION_FORWARDING_DELAY: Final[int] = 6
- MAX_TRANSACTION_FORWARDING_DELAY_GPU: Final[int] = 2
- MS_PER_TICK: Final[int] = 6
The number of milliseconds per tick.
- NUM_CONSECUTIVE_LEADER_SLOTS: Final[int] = 4
- SECONDS_PER_DAY: Final[int] = 86400
- TICKS_PER_DAY: Final[int] = 13824000