U Mf{ @sxddlmZddlmZdZeeeeeeeedddZ eeeeeeeeed dd Z eeeeeeeeed d d Z d S))a2b_hex)signingA)chainIdverifyingContractmemberloggedIn timestamp member_email client_pubkeyreturnc Cs t|tkstt|tkr(t|dks,tt|tkrDt|dksHtt|tksXtt|tkshtt|tksxtt|tkrt|dkstddddddgdddd d dd d dd ddd ddddddddgddddd|||||||dd}|S)z :param chainId: :param blockNumber: :param verifyingContract: :param member: :param timestamp: :param member_email: :param client_pubkey: :return:  namestring)rtypeversionrZuint256raddressrrr Zuint64r r Zbytes32)Z EIP712DomainEIP712MemberLoginrZXBR1)rr)rrrrr r r )typesZ primaryTypedomainmessage)rintAssertionErrorbyteslenstr)rrrrr r r datarE/tmp/pip-unpacked-wheel-8dj3wjqf/autobahn/xbr/_eip712_member_login.py_create_eip712_member_login!sf  *;r!) eth_privkeyrrrrr r r r c Cst|tkrt|dkstt|tks,tt|tkrDt|dksHtt|tkr`t|dksdtt|tksttt|tkstt|tkstt|tkrt|dkstt|||||||}t||} tj | } t| t kst| S)z :param eth_privkey: Ethereum address of buyer (a raw 20 bytes Ethereum address). :type eth_privkey: bytes :return: The signature according to EIP712 (32+32+1 raw bytes). :rtype: bytes rr ) rrrrrrr!rZsign_typed_dataZv_r_s_to_signature_EIP712_SIG_LEN) r"rrrrr r r r_args signaturerrr sign_eip712_member_logints    r&) rrrrr r r r%r c Cst|tkstt|tkr(t|dks,tt|tkrDt|dksHtt|tksXtt|tkshtt|tksxtt|tkrt|dkstt|tkrt|tkstt|||||||}tj |ft |} t | ddS)z Recover the signer address the given EIP712 signature was signed with. :return: The (computed) signer address the signature was signed with. :rtype: bytes r rN) rrrrrrr#r!rZrecover_typed_dataZsignature_to_v_r_sr) rrrrr r r r%rZsigner_addressrrr recover_eip712_member_logins r(N) binasciirZpy_eth_sig_utilsrr#rrrdictr!r&r(rrrr s,   S (