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44e9a6b Update the 'test_IsStandard' unit test (Flavien Charlon)
a930658 Change the default maximum OP_RETURN size to 80 bytes (Flavien Charlon)
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bf6cdeb Increase coverage of DERSIG edge cases (Pieter Wuille)
819bcf9 Add RPC test for DERSIG BIP switchover logic (Pieter Wuille)
5a47811 BIP66 changeover logic (Pieter Wuille)
092e9fe Example unit tests from BIP66 (Pieter Wuille)
80ad135 Change IsDERSignature to BIP66 implementation (Pieter Wuille)
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Makes it possible to compactly provide a delibrately invalid signature
for use with CHECK(MULTI)SIG. For instance with BIP19 if m != n invalid
signatures need to be provided in the scriptSig; prior to this change
those invalid signatures would need to be large DER-encoded signatures.
Note that we may want to further expand on this change in the future by
saying that only OP_0 is a "valid" invalid signature; BIP19 even with
this change is inherently malleable as the invalid signatures can be any
validly encoded DER signature.
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da918ac Make SCRIPT_VERIFY_CLEANSTACK a standardness requirement (Pieter Wuille)
b6e03cc Add SCRIPT_VERIFY_CLEANSTACK (BIP62 rule 6) (Pieter Wuille)
ae4151b No semantic change: reuse stack variable in P2SH evaluation (Pieter Wuille)
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If uint256() constructor takes a string, uint256(0) will become
dangerous when uint256 does not take integers anymore (it will go
through std::string(const char*) making a NULL string, and the explicit
keyword is no help).
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SignatureHash and its test function SignatureHashOld
return uint256(1) as a special error signaling value.
Return a local static constant with the same value instead.
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Replace x=0 with .SetNull(),
x==0 with IsNull(), x!=0 with !IsNull().
Replace uses of uint256(0) with uint256().
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Previously an empty script wouldn't be hashed, and CScriptID would be
assigned the incorrect value of 0 instead. This bug can be seen in the
RPC decodescript command:
$ btc decodescript ""
{
"asm" : "",
"type" : "nonstandard",
"p2sh" : "31h1vYVSYuKP6AhS86fbRdMw9XHieotbST"
}
Correct output:
$ btc decodescript ""
{
"asm" : "",
"type" : "nonstandard",
"p2sh" : "3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy"
}
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Github-Pull: #5494
Rebased-From: 15de949bb9277e442302bdd8dee299a8d6deee60
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- I saw this on http://en.cppreference.com/w/cpp/language/try_catch and
thought it would be a good idea
- also unify used format to better be able to search for exception
uses in our codebase
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4cdaa95 Resize after succesful result (Pieter Wuille)
9d8604f Header define style cleanups (Pieter Wuille)
a53fd41 Deterministic signing (Pieter Wuille)
3060e36 Add the RFC6979 PRNG (Pieter Wuille)
a8f5087 Add HMAC-SHA256 (Pieter Wuille)
36fa4a7 Split up crypto/sha2 (Pieter Wuille)
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Based on an earlier patch by Peter Todd, though the rules here are different
(P2SH scripts should not have a CLEANSTACK check before the P2SH evaluation).
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These static objects are only used in once place, so declare them there instead.
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Possible with STRICTENC
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This turns STRICTENC turn into a softforking-safe change (even though it
is not intended as a consensus rule), and as a result guarantee that using
it for mempool validation only results in consensus-valid transactions in
the mempool.
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0391423 Discourage NOPs reserved for soft-fork upgrades (Peter Todd)
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Credit BlueMatt for libbitcoinsonsensus.h/cpp
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NOP1 to NOP10 are reserved for future soft-fork upgrades. In the event
of an upgrade such NOPs have *VERIFY behavior, meaning that if their
arguments are not correct the script fails. Discouraging these NOPs by
rejecting transactions containing them from the mempool ensures that
we'll never accept transactions, nor mine blocks, with scripts that are
now invalid according to the majority of hashing power even if we're not
yet upgraded. Previously this wasn't an issue as the IsStandard() rules
didn't allow upgradable NOPs anyway, but 7f3b4e95 relaxed the
IsStandard() rules for P2SH redemptions allowing any redeemScript to be
spent.
We *do* allow upgradable NOPs in scripts so long as they are not
executed. This is harmless as there is no opportunity for the script to
be invalid post-upgrade.
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Attempt to codify the possible error statuses associated with script
validation. script/types.h has been created with the expectation that it will
be part of the public lib interface. The other flag enums will be moved here in
a future commit.
Logging has also been removed in order to drop the dependency on core.h. It can
be re-added to bitcoind as-needed. This makes script verification finally free
of application state and boost!
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The value can be changed through the '-datacarriersize' option, this
is modifying the default value for that option.
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- add a missing license header
- correct some header orderings etc.
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8473862 Fix all header defines (Pavel Janík)
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d2e74c5 boost: moveonly: split CPubKey and friends to new files (Cory Fields)
78c228c boost: moveonly: move BIP32Hash to hash.h (Cory Fields)
900078a boost: moveonly: create eccryptoverify.h|cpp and move helper functions there (Cory Fields)
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2aa6329 Enable customising node policy for datacarrier data size with a -datacarriersize option (Luke Dashjr)
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Eventually (after 0.10) these files will hold the logic for crypto
verification routines, and CKey/CPubKey will call into them.
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99f41b9 MOVEONLY: core.o -> core/block.o (jtimon)
561e9e9 MOVEONLY: Move script/compressor out of script and put CTxOutCompressor (from core) with it (jtimon)
999a2ab MOVEONLY: separate CTxUndo out of core (jtimon)
4a3587d MOVEONLY: Separate CTransaction and dependencies from core (jtimon)
eda3733 MOVEONLY: Move CFeeRate and Amount constants to amount.o (jtimon)
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core) with it
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-datacarriersize option
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Edited-by: Pieter Wuille <pieter.wuille@gmail.com>
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Also use the new flag as a standard rule, and replace the IsCanonicalPush
standardness check with it (as it is more complete).
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