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https://gitlab.com/pulsechaincom/staking-deposit-cli.git
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30 lines
820 B
Python
30 lines
820 B
Python
from typing import List
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from .mnemonic import get_seed
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from .tree import (
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derive_master_SK,
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derive_child_SK,
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)
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def path_to_nodes(path: str) -> List[int]:
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"""
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Returns a list of the child index at every level in `path`.
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"""
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path = path.replace(' ', '')
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assert set(path).issubset(set('m1234567890/'))
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indices = path.split('/')
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assert indices.pop(0) == 'm'
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return [int(index) for index in indices]
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def mnemonic_and_path_to_key(*, mnemonic: str, path: str, password: str) -> int:
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"""
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Returns the SK at position `path` secures with `password` derived from `mnemonic`.
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"""
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seed = get_seed(mnemonic=mnemonic, password=password)
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sk = derive_master_SK(seed)
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for node in path_to_nodes(path):
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sk = derive_child_SK(parent_SK=sk, index=node)
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return sk
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