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Changes to proof_of_stake.py

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DIVYASREE S 2024-10-10 21:32:04 +05:30 committed by GitHub
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commit 82064e3a23
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1 changed files with 5 additions and 17 deletions
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22
blockchain/proof_of_stake.py
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@ -1,17 +1,7 @@
import random
from typing import List
class Validator:
"""
Represents a validator in a Proof of Stake system.
Attributes:
name (str): The name of the validator.
stake (int): The amount of stake (coins) the validator holds.
"""
def __init__(self, name: str, stake: int):
def __init__(self, name: str, stake: int) -> None:
"""
Initializes a new validator with a given name and stake.
@ -22,15 +12,14 @@ class Validator:
self.name = name
self.stake = stake
def choose_validator(validators: List[Validator]) -> Validator:
def choose_validator(validators: list[Validator]) -> Validator:
"""
Selects a validator to create the next block based on the weight of their stake.
The higher the stake, the greater the chance to be selected.
Args:
validators (List[Validator]): A list of Validator objects.
validators (list[Validator]): A list of Validator objects.
Returns:
Validator: The selected validator based on weighted random selection.
@ -43,7 +32,6 @@ def choose_validator(validators: List[Validator]) -> Validator:
"""
total_stake = sum(v.stake for v in validators)
weighted_validators = [(v, v.stake / total_stake) for v in validators]
selected = random.choices(
[v[0] for v in weighted_validators], weights=[v[1] for v in weighted_validators]
)
selected = random.choices([v[0] for v in weighted_validators],
weights=[v[1] for v in weighted_validators])
return selected[0]