U 2 cB@sddlZddlZddlZddlmZddlmZdZdZdZ eZ dZ dZ d d gZ d d Zd d ZddZddZddZddZddZddZe dfdd ZdS)N)b58encode_check) SECP256k1imnemonicls Bitcoin seedzm/44'/60'/0'/0mnemonic_to_bip39seedmnemonic_to_private_keycCs(t|d}tt|d}td||tS)zg BIP39 seed from a mnemonic key. Logic adapted from https://github.com/trezor/python-mnemonic. utf8sha512)bytesBIP39_SALT_MODIFIERhashlibZ pbkdf2_hmacBIP39_PBKDF2_ROUNDS)r passphraseZsaltrX/var/www/html/NKSPORTS/school/venv/lib/python3.8/site-packages/autobahn/xbr/_mnemonic.pyr2s cCs6tt|tj}|dd|dd}}||fS)z BIP32 master node derivation from a bip39 seed. Logic adapted from https://github.com/satoshilabs/slips/blob/master/slip-0010/testvectors.py. N )hmacnewBIP32_SEED_MODIFIERr rdigest)seedhkey chain_coderrrbip39seed_to_bip32masternode:srcCsPtj|ddtj}t|jddd}|d@}td|jddd|S)z Public key from a private key. Logic adapted from https://github.com/satoshilabs/slips/blob/master/slip-0010/testvectors.py. big byteorderr)int from_bytes BIP32_CURVE generatorxto_bytesy) private_keyQZxstrZparityrrrderive_public_keyBs r(c Cst|dkstt|dks t|}|t@dkr:d|}nt|}|td|}t||tj  }|dd|dd}}t j |dd}t j |dd} || t j}|t jkr|dkrt |jddd}qd|ddtd|}qR||fS) z Derives a child key from an existing key, i is current derivation parameter. Logic adapted from https://github.com/satoshilabs/slips/blob/master/slip-0010/testvectors.py. rrz>LNrr)lenAssertionError BIP32_PRIVDEVr(structpackrrr rrrr r!orderr$) Z parent_keyZparent_chain_codeikrdrrabrrrderive_bip32childkeyLs"  r6cCs"tdt|ddS)z< BIP32 fingerprint formula, used to get b58 serialized key. Z ripemd160N)r rZsha256r) public_keyrrr fingerprintfsr9cCs<dtt|d|t|jddd|d|}t|S)z' Private key b58 serialization format. sutf-8r7rrr)r chrrr$r)parent_fingerprintr&chaindepthchildnrrawrrrb58xprvlsrBcCs8dtt|d|t|jddd||}t|S)z& Public key b58 serialization format. sr:r7rrr;)r=r8r>r?r@rArrrb58xpubusrCcCshg}|dddkrtd|ddD]6}d|krT|tt|ddq,|t|q,|S) zq Parses a derivation path such as "m/44'/60/0'/0" and returns list of integers for each element in path. rrzm/zECan't recognize derivation path. It should look like "m/44'/60/0'/0"./'N) ValueErrorlstripsplitappendr-r)str_derivation_pathpathr1rrrparse_derivation_path~srMc CsFt|}t||}t|\}}||}}|D]} t||| \}}q,|S)a Performs all convertions to get a private key from a mnemonic sentence, including: BIP39 mnemonic to seed BIP32 seed to master key BIP32 child derivation of a path provided Parameters: mnemonic -- seed wordlist, usually with 24 words, that is used for ledger wallet backup str_derivation_path -- string that directs BIP32 key derivation, defaults to path used by ledger ETH wallet )rMrrr6) rrKr Zderivation_pathZ bip39seedZmaster_private_keyZmaster_chain_coder&rr1rrrrs   )r rr.Zbase58rZ ecdsa.curvesrr r r-r!rZLEDGER_ETH_DERIVATION_PATH__all__rrr(r6r9rBrCrMrrrrrs,