mirror of
https://github.com/status-im/eth2.0-specs.git
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b345dc0f5f
* Stab at Legendre custody construction + some tests * Fix some problems and fix function puller to remove phase0 only lines in phase1 * Pass the linter * Add headings * Fix domain for BLS stub * Change Jacobi to Legendre * n -> q to clarify notation * Headings * Another missing heading * Custody subchunks via padding * Fix max_reveal_lateness stuff * Better names for reveal period functions * Better parametrization of max_reveal_lateness computation and tests for custody reveal processing * Fix linter * Allow challenging for one period after the custody reveal, shorter periods for minimal tests * Fix lint * Fix linter error
56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
from py_ecc import bls
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# Flag to make BLS active or not. Used for testing, do not ignore BLS in production unless you know what you are doing.
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bls_active = True
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STUB_SIGNATURE = b'\x11' * 96
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STUB_PUBKEY = b'\x22' * 48
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STUB_COORDINATES = bls.api.signature_to_G2(bls.sign(b"", 0, b"\0" * 8))
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def only_with_bls(alt_return=None):
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"""
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Decorator factory to make a function only run when BLS is active. Otherwise return the default.
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"""
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def runner(fn):
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def entry(*args, **kw):
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if bls_active:
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return fn(*args, **kw)
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else:
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return alt_return
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return entry
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return runner
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@only_with_bls(alt_return=True)
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def bls_verify(pubkey, message_hash, signature, domain):
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return bls.verify(message_hash=message_hash, pubkey=pubkey,
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signature=signature, domain=domain)
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@only_with_bls(alt_return=True)
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def bls_verify_multiple(pubkeys, message_hashes, signature, domain):
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return bls.verify_multiple(pubkeys=pubkeys, message_hashes=message_hashes,
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signature=signature, domain=domain)
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@only_with_bls(alt_return=STUB_PUBKEY)
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def bls_aggregate_pubkeys(pubkeys):
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return bls.aggregate_pubkeys(pubkeys)
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@only_with_bls(alt_return=STUB_SIGNATURE)
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def bls_aggregate_signatures(signatures):
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return bls.aggregate_signatures(signatures)
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@only_with_bls(alt_return=STUB_SIGNATURE)
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def bls_sign(message_hash, privkey, domain):
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return bls.sign(message_hash=message_hash, privkey=privkey,
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domain=domain)
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@only_with_bls(alt_return=STUB_COORDINATES)
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def bls_signature_to_G2(signature):
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return bls.api.signature_to_G2(signature)
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