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bech32: around 5% speedup for bech32_decode
useful for lnaddr.lndecode
patch-4
SomberNight
4 years ago
No known key found for this signature in database
GPG Key ID: B33B5F232C6271E9
1 changed files with
2 additions and
1 deletions
-
electrum/segwit_addr.py
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@ -23,6 +23,7 @@ |
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CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l" |
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_CHARSET_INVERSE = {x: CHARSET.find(x) for x in CHARSET} |
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def bech32_polymod(values): |
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@ -72,7 +73,7 @@ def bech32_decode(bech, ignore_long_length=False): |
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if not all(x in CHARSET for x in bech[pos+1:]): |
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return (None, None) |
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hrp = bech[:pos] |
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data = [CHARSET.find(x) for x in bech[pos+1:]] |
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data = [_CHARSET_INVERSE[x] for x in bech[pos+1:]] |
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if not bech32_verify_checksum(hrp, data): |
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return (None, None) |
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return (hrp, data[:-6]) |
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