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Compact serialization for scripts

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Special serializers for script which detect common cases and encode
them much more efficiently. 3 special cases are defined:
* Pay to pubkey hash (encoded as 21 bytes)
* Pay to script hash (encoded as 21 bytes)
* Pay to pubkey starting with 0x02, 0x03 or 0x04 (encoded as 33 bytes)

Other scripts up to 121 bytes require 1 byte + script length. Above
that, scripts up to 16505 bytes require 2 bytes + script length.
This commit is contained in:
Pieter Wuille 2012-06-15 18:52:19 +02:00
parent 4d6144f97f
commit 69fc8047a9
5 changed files with 213 additions and 4 deletions
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4
src/key.cpp
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@ -120,9 +120,9 @@ err:
return ret;
}
void CKey::SetCompressedPubKey()
void CKey::SetCompressedPubKey(bool fCompressed)
{
EC_KEY_set_conv_form(pkey, POINT_CONVERSION_COMPRESSED);
EC_KEY_set_conv_form(pkey, fCompressed ? POINT_CONVERSION_COMPRESSED : POINT_CONVERSION_UNCOMPRESSED);
fCompressedPubKey = true;
}