27 lines
1.0 KiB
Python
27 lines
1.0 KiB
Python
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from eth2spec.utils.minimal_ssz import hash_tree_root
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def encode(value, typ, include_hash_tree_roots=False):
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if isinstance(typ, str) and typ[:4] == 'uint':
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return value
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elif typ == 'bool':
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assert value in (True, False)
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return value
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elif isinstance(typ, list):
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return [encode(element, typ[0], include_hash_tree_roots) for element in value]
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elif isinstance(typ, str) and typ[:4] == 'byte':
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return '0x' + value.hex()
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elif hasattr(typ, 'fields'):
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ret = {}
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for field, subtype in typ.fields.items():
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ret[field] = encode(getattr(value, field), subtype, include_hash_tree_roots)
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if include_hash_tree_roots:
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ret[field + "_hash_tree_root"] = '0x' + hash_tree_root(getattr(value, field), subtype).hex()
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if include_hash_tree_roots:
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ret["hash_tree_root"] = '0x' + hash_tree_root(value, typ).hex()
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return ret
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else:
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print(value, typ)
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raise Exception("Type not recognized")
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