AaronFiore/electrum
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increase nonce size to 32 byte and make it hex in event

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This commit is contained in:
f321x
2025-02-12 10:09:11 +01:00
parent 947094c1b0
commit a47421490d
2 changed files with 11 additions and 5 deletions
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6
electrum/util.py
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@@ -2127,7 +2127,7 @@ def nostr_pow_worker(nonce, nostr_pubk, target_bits, hash_function, hash_len_bit
# we cannot check is_set on each iteration as it has a lot of overhead, this way we can check
# it with low overhead (just the additional range counter)
for i in range(1000000):
digest = hash_function(hash_preimage + nonce.to_bytes(8, 'big')).digest()
digest = hash_function(hash_preimage + nonce.to_bytes(32, 'big')).digest()
if int.from_bytes(digest, 'big') < (1 << (hash_len_bits - target_bits)):
shutdown.set()
return hash, nonce
@@ -2141,7 +2141,7 @@ async def gen_nostr_ann_pow(nostr_pubk: bytes, target_bits: int) -> Tuple[int, i
import multiprocessing # not available on Android, so we import it here
hash_function = hashlib.sha256
hash_len_bits = 256
max_nonce = 0xFFFFFFFFFFFFFFFF # 8 byte
max_nonce: int = (1 << (32 * 8)) - 1 # 32-byte nonce
start_nonce = 0
max_workers = max(multiprocessing.cpu_count() - 1, 1) # use all but one CPU
@@ -2181,6 +2181,6 @@ def get_nostr_ann_pow_amount(nostr_pubk: bytes, nonce: Optional[int]) -> int:
hash_len_bits = 256
hash_preimage = b'electrum-' + nostr_pubk
digest = hash_function(hash_preimage + nonce.to_bytes(8, 'big')).digest()
digest = hash_function(hash_preimage + nonce.to_bytes(32, 'big')).digest()
digest = int.from_bytes(digest, 'big')
return hash_len_bits - digest.bit_length()