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163 | @dataclass(frozen=True)
class Spec:
"""
Parameters from the EIP-196 specification (https://eips.ethereum.org/EIPS/eip-196)
with some modifications for readability.
"""
# Addresses
ECADD = Address(0x06)
ECMUL = Address(0x07)
# The prime modulus of the BN254 prime field Fp
P = 0x30644E72E131A029B85045B68181585D97816A916871CA8D3C208C16D87CFD47
# The order of the BN254 G1 group
N = 0x30644E72E131A029B85045B68181585D2833E84879B9709143E1F593F0000001
# G1 generator point
G1 = PointG1(1, 2)
# The point at infinity in G1
INF_G1 = PointG1()
# G1 generator point doubled: [2]G1
G1x2 = PointG1(
0x030644E72E131A029B85045B68181585D97816A916871CA8D3C208C16D87CFD3,
0x15ED738C0E0A7C92E7845F96B2AE9C0A68A6A449E3538FC7FF3EBF7A5A18A2C4,
)
# G1 generator point times 2 pow 128: [2**128]G1
G1x2_128 = PointG1(
0x13B8FEC4A1EB2C7E3CCC07061AD516277C3BBE57BD4A302012B58A517F6437A4,
0x224D978B5763831DFF16CE9B2C42222684835FEDFC70FFEC005789BB0C10DE36,
)
# G1 generator point times 2 pow 256 minus 1: [2**256-1]G1
G1x2_256_1 = PointG1(
0x2F588CFFE99DB877A4434B598AB28F81E0522910EA52B45F0ADAA772B2D5D352,
0x12F42FA8FD34FB1B33D8C6A718B6590198389B26FC9D8808D971F8B009777A97,
)
# G1 generator times nine: [9]G1
G1x9 = PointG1(
0x39730EA8DFF1254C0FEE9C0EA777D29A9C710B7E616683F194F18C43B43B869,
0x73A5FFCC6FC7A28C30723D6E58CE577356982D65B833A5A5C15BF9024B43D98,
)
# Example point P
P1 = PointG1(
0x17C139DF0EFEE0F766BC0204762B774362E4DED88953A39CE849A8A7FA163FA9,
0x01E0559BACB160664764A357AF8A9FE70BAA9258E0B959273FFC5718C6D4CC7C,
)
# Example point Q
Q1 = PointG1(
0x039730EA8DFF1254C0FEE9C0EA777D29A9C710B7E616683F194F18C43B43B869,
0x073A5FFCC6FC7A28C30723D6E58CE577356982D65B833A5A5C15BF9024B43D98,
)
# Example point R = P + Q
R1 = PointG1(
0x15BF2BB17880144B5D1CD2B1F46EFF9D617BFFD1CA57C37FB5A49BD84E53CF66,
0x049C797F9CE0D17083DEB32B5E36F2EA2A212EE036598DD7624C168993D1355F,
)
# Point taken from legacy Ethereum BN256 ecMul precompile tests
T1 = PointG1(
0x1A87B0584CE92F4593D161480614F2989035225609F08058CCFA3D0F940FEBE3,
0x1A2F3C951F6DADCC7EE9007DFF81504B0FCD6D7CF59996EFDC33D92BF7F9F8F6,
)
T1x2 = PointG1(
0x3D64E49EBB3C56C99E0769C1833879C9B86EAD23945E1E7477CBD057E961C50,
0xD6840B39F8C2FEFE0ECED3E7D210B830F50831E756F1CC9039AF65DC292E6D0,
)
T1x9 = PointG1(
0x1DBAD7D39DBC56379F78FAC1BCA147DC8E66DE1B9D183C7B167351BFE0AEAB74,
0x2CD757D51289CD8DBD0ACF9E673AD67D0F0A89F912AF47ED1BE53664F5692575,
)
T1x2_128 = PointG1(
0x1051ACB0700EC6D42A88215852D582EFBAEF31529B6FCBC3277B5C1B300F5CF0,
0x135B2394BB45AB04B8BD7611BD2DFE1DE6A4E6E2CCEA1EA1955F577CD66AF85B,
)
T1x2_256_1 = PointG1(
0x2CDE5879BA6F13C0B5AA4EF627F159A3347DF9722EFCE88A9AFBB20B763B4C41,
0x1AA7E43076F6AEE272755A7F9B84832E71559BA0D2E0B17D5F9F01755E5B0D11,
)
# Sample point S1 from legacy stZeroKnowledge tests
S1 = PointG1(
0x0F25929BCB43D5A57391564615C9E70A992B10EAFA4DB109709649CF48C50DD2,
0x16DA2F5CB6BE7A0AA72C440C53C9BBDFEC6C36C7D515536431B3A865468ACBBA,
)
# S1 doubled: [2]S1
S1x2 = PointG1(
0x1DE49A4B0233273BBA8146AF82042D004F2085EC982397DB0D97DA17204CC286,
0x0217327FFC463919BEF80CC166D09C6172639D8589799928761BCD9F22C903D4,
)
# S1 + S1x2 = [3]S1
S1x3 = PointG1(
0x1F4D1D80177B1377743D1901F70D7389BE7F7A35A35BFD234A8AAEE615B88C49,
0x018683193AE021A2F8920FED186CDE5D9B1365116865281CCF884C1F28B1DF8F,
)
# S1 + G1
S1_PLUS_G1 = PointG1(
0x059A381FEC09E29448A58AE8905F41D1EB8FF0ED755AA0F827821AEFDE02EC7D,
0x269D2516BF8C4F5798CC1267162E59ADD561E5537A328FE0F28A252FA287A72A,
)
# Invalid point: S1 with a different x coordinate (not on curve)
S1_INVALID = PointG1(
0x0F25919BCB43D5A57391564615C9E70A992B10EAFA4DB109709649CF48C50DD2,
0x16DA2F5CB6BE7A0AA72C440C53C9BBDFEC6C36C7D515536431B3A865468ACBBA,
)
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