"""This module contains various utility functions regarding the RPC data format
and validation."""
from .constants import BLOCK_TAGS
[docs]def hex_to_dec(x):
"""Convert hex to decimal.
:param x:
:return:
"""
return int(x, 16)
[docs]def clean_hex(d):
"""Convert decimal to hex and remove the "L" suffix that is appended to
large numbers.
:param d:
:return:
"""
return hex(d).rstrip("L")
[docs]def validate_block(block):
"""
:param block:
:return:
"""
if isinstance(block, str):
if block not in BLOCK_TAGS:
raise ValueError("invalid block tag")
if isinstance(block, int):
block = hex(block)
return block
[docs]def wei_to_ether(wei):
"""Convert wei to ether.
:param wei:
:return:
"""
return 1.0 * wei / 10**18
[docs]def ether_to_wei(ether):
"""Convert ether to wei.
:param ether:
:return:
"""
return ether * 10**18