30 lines
1.2 KiB
Python
30 lines
1.2 KiB
Python
from eth2spec.utils.ssz.ssz_impl import hash_tree_root
|
|
from eth2spec.utils.ssz.ssz_typing import (
|
|
uint, Container, boolean
|
|
)
|
|
|
|
|
|
def encode(value, include_hash_tree_roots=False):
|
|
if isinstance(value, uint):
|
|
# Larger uints are boxed and the class declares their byte length
|
|
if value.type().byte_len > 8:
|
|
return str(int(value))
|
|
return int(value)
|
|
elif isinstance(value, boolean):
|
|
return value == 1
|
|
elif isinstance(value, list): # normal python lists, ssz-List, Vector
|
|
return [encode(element, include_hash_tree_roots) for element in value]
|
|
elif isinstance(value, bytes): # both bytes and BytesN
|
|
return '0x' + value.hex()
|
|
elif isinstance(value, Container):
|
|
ret = {}
|
|
for field_value, field_name in zip(value, value.get_fields().keys()):
|
|
ret[field_name] = encode(field_value, include_hash_tree_roots)
|
|
if include_hash_tree_roots:
|
|
ret[field_name + "_hash_tree_root"] = '0x' + hash_tree_root(field_value).hex()
|
|
if include_hash_tree_roots:
|
|
ret["hash_tree_root"] = '0x' + hash_tree_root(value).hex()
|
|
return ret
|
|
else:
|
|
raise Exception(f"Type not recognized: value={value}, typ={value.type()}")
|