o iB@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. utf8sha512N)bytesBIP39_SALT_MODIFIERhashlib pbkdf2_hmacBIP39_PBKDF2_ROUNDS)r passphraseZsaltr\C:\Users\psant\Downloads\PAF backend\school\venv\Lib\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 byteorderrN)int from_bytes BIP32_CURVE generatorxto_bytesy) private_keyQZxstrZparityrrrderive_public_keyBs r)c Cst|dksJt|dksJ|}|t@dkrd|}nt|}|td|} t||tj }|dd|dd}}t j |dd}t j |dd} || t j }|t j krm|dkrmt |jddd} ||fSd |ddtd|}q*) 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>LTNrr)len BIP32_PRIVDEVr)structpackrrr rrr r!r"orderr%) Z parent_keyZparent_chain_codeikrdrrabrrrderive_bip32childkeyLs&  r6cCs"tdt|ddS)z< BIP32 fingerprint formula, used to get b58 serialized key. Z ripemd160N)r rsha256r) public_keyrrr fingerprintfs"r:cCs<dtt|d|t|jddd|d|}t|S)z' Private key b58 serialization format. sutf-8r7rrr*Nr chrr r%r)parent_fingerprintr'chaindepthchildnrrawrrrb58xprvlsrCcCs8dtt|d|t|jddd||}t|S)z& Public key b58 serialization format. sr;r7rrNr<)r>r9r?r@rArBrrrb58xpubusrDcCshg}|dddkrtd|ddD]}d|vr*|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~srNc 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 N)rNrrr6) rrLrZderivation_pathZ bip39seedZmaster_private_keyZmaster_chain_coder'rr1rrrrs   )r rr.Zbase58rZ ecdsa.curvesrr r r-r"rZLEDGER_ETH_DERIVATION_PATH__all__rrr)r6r:rCrDrNrrrrrs.