Fix #320
* Avoids unnecessary hashing of `message` * Makes the ordering of arguments (`message` followed by `domain`) consistent with usage order
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@ -71,8 +71,8 @@ q = 4002409555221667393417789825735904156556882819939007885332058136124031650490
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def hash_to_G2(message: bytes32, domain: uint64) -> [uint384]:
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# Initial candidate x coordinate
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x_re = int.from_bytes(hash(bytes8(domain) + b'\x01' + message), 'big')
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x_im = int.from_bytes(hash(bytes8(domain) + b'\x02' + message), 'big')
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x_re = int.from_bytes(hash(message + bytes8(domain) + b'\x01'), 'big')
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x_im = int.from_bytes(hash(message + bytes8(domain) + b'\x02'), 'big')
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x_coordinate = Fq2([x_re, x_im]) # x = x_re + i * x_im
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# Test candidate y coordinates until a one is found
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