Commit Graph

47 Commits

Author SHA1 Message Date
Kittywhiskers Van Gogh
6522e996c6 partial bitcoin#19953: Keep spent outputs in PrecomputedTransactionData 2022-03-24 09:27:25 +05:30
Kittywhiskers Van Gogh
f8faef1b85 merge bitcoin#18401: Initialize PrecomputedTransactionData in CheckInputScripts 2022-03-24 09:26:57 +05:30
MarcoFalke
3c5dcb036a Merge #16659: refactoring: Remove unused includes
084e17cebd424b8e8ced674bc810eef4e6ee5d3b Remove unused includes (practicalswift)

Pull request description:

  As requested by MarcoFalke in https://github.com/bitcoin/bitcoin/pull/16273#issuecomment-521332089:

  This PR removes unused includes.

  Please note that in contrast to #16273 I'm limiting the scope to the trivial cases of pure removals (i.e. no includes added) to make reviewing easier.

  I'm seeking "Concept ACK":s for this obviously non-urgent minor cleanup.

  Rationale:
  * Avoids unnecessary re-compiles in case of header changes.
  * Makes reasoning about code dependencies easier.
  * Reduces compile-time memory usage.
  * Reduces compilation time.
  * Warm fuzzy feeling of being lean :-)

ACKs for top commit:
  ryanofsky:
    Code review ACK 084e17cebd424b8e8ced674bc810eef4e6ee5d3b. PR only removes include lines and it still compiles. In the worst case someone might have to explicitly add an include later for something now included implicitly. But maybe some effort was taken to avoid this, and it wouldn't be a tragedy anyway.

Tree-SHA512: 89de56edc6ceea4696e9579bccff10c80080821685b9fb4e8c5ef593b6e43cf662f358788701bb09f84867693f66b2e4db035b92b522a0a775f50b7ecffd6a6d
2021-12-12 16:44:54 -05:00
Wladimir J. van der Laan
3d4017d30d
Merge #13309: Directly operate with CMutableTransaction in SignSignature
6b8b63af1461dc11ffd813401e2c36fa44656715 Generic TransactionSignatureCreator works with both CTransaction and CMutableTransaction (Martin Ankerl)

Pull request description:

  Refactored `TransactionSignatureCreator` into a templated `GenericTransactionSignatureCreator` that works with both `CMutableTransaction` and `CTransaction`.

  The advantage is that now in `SignSignature`, the `MutableTransactionSignatureCreator` can now operate directly with the `CMutableTransaction` without the need to copy the data into a `CTransaction`.

  Running all unit tests brings a very noticable speedup on my machine:

      48.4 sec before this change
      36.4 sec with this change
      --------
      12.0 seconds saved

  running only `--run_test=transaction_tests/test_big_witness_transaction`:

      16.7 sec before this change
       5.9 sec with this change
      --------
      10.8 seconds saved

  This relates to my first attempt with the const_cast hack #13202, and to the slow unit test issue #10026.

  Also see #13050 which modifies the tests but not the production code (like this PR) to get a speedup.

Tree-SHA512: 2cff0e9699f484f26120a40e431a24c8bc8f9e780fd89cb0ecf20c5be3eab6c43f9c359cde244abd9f3620d06c7c354e3b9dd3da41fa2ca1ac1e09386fea25fb
2021-06-28 02:00:51 +03:00
Kittywhiskers Van Gogh
73f9fcb7e2 bitcoin#18914: Apply override specifier consistently 2021-06-17 11:25:48 +05:30
Wladimir J. van der Laan
906be7e144
Merge #11423: [Policy] Several transaction standardness rules
364bae5 qa: Pad scriptPubKeys to get minimum sized txs (MarcoFalke)
7485488 Policy to reject extremely small transactions (Johnson Lau)
0f8719b Add transaction tests for constant scriptCode (Johnson Lau)
9dabfe4 Add constant scriptCode policy in non-segwit scripts (Johnson Lau)

Pull request description:

  This disables `OP_CODESEPARATOR` in non-segwit scripts (even in an unexecuted branch), and makes a positive `FindAndDelete` result invalid. This ensures that the `scriptCode` serialized in `SignatureHash` is always the same as the script passing to the `EvalScript`.

Tree-SHA512: a0552cb920294d130251c48053fa2ff1fbdd26332e62b52147d918837852750f0ce35ce2cd1cbdb86588943312f8154ccb4925e850dbb7c2254bc353070cd5f8
2021-06-05 22:13:01 +03:00
Wladimir J. van der Laan
4ae641ca18
Partial merge #8499: Add several policy limits and disable uncompressed keys for segwit scripts
67d6ee1 remove redundant tests in p2p-segwit.py (Johnson Lau)
9260085 test segwit uncompressed key fixes (Johnson Lau)
248f3a7 Fix ismine and addwitnessaddress: no uncompressed keys in segwit (Pieter Wuille)
b811124 [qa] Add tests for uncompressed pubkeys in segwit (Suhas Daftuar)
9f0397a Make test framework produce lowS signatures (Johnson Lau)
4c0c25a Require compressed keys in segwit as policy and disable signing with uncompressed keys for segwit scripts (Johnson Lau)
3ade2f6 Add standard limits for P2WSH with tests (Johnson Lau)
2021-06-05 22:12:55 +03:00
tomthoros
4ce3635d99
Consensus: DIP-0020: Dash opcode updates. Remaining dip0020 opcodes (#3893)
* DIP-0020: Dash opcode updates - enable AND, OR, XOR

* DIP-0020: Dash opcode updates - enable DIV, MOD

* DIP-0020: Dash opcode updates - enable BIN2NUM, NUM2BIN

* DIP-0020: Dash opcode updates - enable CHECKDATASIG, CHECKDATASIGVERIFY (no tests)

* DIP-0020: Dash opcode updates - fix whitespace

* DIP-0020: Dash opcode updates - add checkdatasig and datacheckdatasigverify json tests

* More AND_OR_XOR tests

* DIP-0020: Dash opcode updates - move opcodes enabled tests around. Add unit tests back

* DIP-0020: Dash opcode updates - sort BITCOIN_TESTS aplhabetically

* DIP-0020: Dash opcode updates - formatting

* DIP-0020: Dash opcode updates - formatting

* DIP-0020: Dash opcode updates - formatting references alignment

* DIP-0020: Dash opcode updates - formatting references alignment

* Update src/script/interpreter.h

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

* Update src/script/interpreter.h

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

* Update src/test/script_tests.cpp

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>
2021-01-13 14:45:04 -06:00
tomthoros
5a026be52c
Consensus: DIP-0020: Dash opcode updates - OP_CAT and OP_SPLIT. (#3824)
* DIP-0020: Dash opcode updates - enable OP_CAT and OP_SPLIT (renamed from OP_SUBSTR)

* DIP-0020: Dash opcode updates - DEPLOYMENT_V17 activates dip0020 opcodes

* Add/tweak MAX_SCRIPT_ELEMENT_SIZE tests for OP_CAT and OP_SPLIT

* Check nDefaultMaxNumSize in OP_SPLIT tests

* Purify DISABLED_OPCODE tests for OP_CAT and OP_SPLIT, fix DoTest to actually preserve the DIP0020 flag

* Fix `warning: '&' within '|' [-Wbitwise-op-parentheses]`

* Rework/simplify feature_dip0020_activation.py

* DIP-0020: Remove functionally redundant tests.

* Fix file permissions for feature_dip0020_activation.py

* DIP-0020: fix typo

* Update src/test/script_tests.cpp

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

* Update test/functional/feature_dip0020_activation.py

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

* DIP-0020: improve comments

* DIP-0020: dont use negative booleans

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>
2020-12-11 22:17:10 +00:00
Wladimir J. van der Laan
032dca5983
Merge #12885: Reduce implementation code inside CScript
54a5a21 [MOVEONLY] Turn CScript::GetOp2 into a function and move to cpp (Pieter Wuille)
6a7456a [MOVEONLY] Move CSCript::FindAndDelete to interpreter (Pieter Wuille)
33a8ecf Delete unused non-const-iterator CSCript::GetOp overloads (Pieter Wuille)
2fb168b Make iterators in CScript::FindAndDelete const (Pieter Wuille)

Pull request description:

  This PR moves `FindAndDelete` and `GetOp2` out of CScript (the first is only used inside the interpreter and moved there, the second does not actually depend on any script specifics and works on any vector). Furthermore, all non-const-iterator versions of GetOp are replaced by const ones, removing a number of methods in the process.

  The longer term goal here is making the script interpreter independent from the CScript representation.

  Note for reviewers: both `FindAndDelete` and `GetScriptOp` are consensus critical.

Tree-SHA512: c4ccf91c0b33c37cff0d474aa8dd2dab25b5b7655e2ed69a9b15e29daf0a67b21d51c23e1defb3a72ec762bd6138de96f69c6db1fb9c1fe1e976e421261aedb7

Ensure change is move only

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>

fix assign_to

Signed-off-by: pasta <pasta@dashboost.org>
2020-11-17 14:34:32 -05:00
Wladimir J. van der Laan
9b0c1f7733 Merge #12393: Fix a-vs-an typos
11376b5 Fix a-vs-an typos (practicalswift)

Pull request description:

  Fix a-vs-an typos.

Tree-SHA512: 2cf74c15656a20ec13d2da7d86a39d14e634db368833d92da06a78d1266950accfc4fcc89cfecdaadd46e6b48b17e6fad29080428e564871e78482c53f3e855c
2020-06-17 14:29:55 -05:00
pasta
518ccbf986
scripted-diff: Convert 11 enums into scoped enums (C++11) (merge #10742)
-BEGIN VERIFY SCRIPT-

sed -i 's/enum DBErrors/enum class DBErrors/g' src/wallet/walletdb.h
git grep -l DB_ | xargs sed -i 's/DB_\(LOAD_OK\|CORRUPT\|NONCRITICAL_ERROR\|TOO_NEW\|LOAD_FAIL\|NEED_REWRITE\)/DBErrors::\1/g'
sed -i 's/^    DBErrors::/    /g' src/wallet/walletdb.h

sed -i 's/enum VerifyResult/enum class VerifyResult/g' src/wallet/db.h
sed -i 's/\(VERIFY_OK\|RECOVER_OK\|RECOVER_FAIL\)/VerifyResult::\1/g' src/wallet/db.cpp

sed -i 's/enum ThresholdState/enum class ThresholdState/g' src/versionbits.h
git grep -l THRESHOLD_ | xargs sed -i 's/THRESHOLD_\(DEFINED\|STARTED\|LOCKED_IN\|ACTIVE\|FAILED\)/ThresholdState::\1/g'
sed -i 's/^    ThresholdState::/    /g' src/versionbits.h

sed -i 's/enum SigVersion/enum class SigVersion/g' src/script/interpreter.h
git grep -l SIGVERSION_ | xargs sed -i 's/SIGVERSION_\(BASE\|WITNESS_V0\)/SigVersion::\1/g'
sed -i 's/^    SigVersion::/    /g' src/script/interpreter.h

sed -i 's/enum RetFormat {/enum class RetFormat {/g' src/rest.cpp
sed -i 's/RF_\(UNDEF\|BINARY\|HEX\|JSON\)/RetFormat::\1/g' src/rest.cpp
sed -i 's/^    RetFormat::/    /g' src/rest.cpp

sed -i 's/enum HelpMessageMode {/enum class HelpMessageMode {/g' src/init.h
git grep -l HMM_ | xargs sed -i 's/HMM_BITCOIN/HelpMessageMode::BITCOIN/g'
sed -i 's/^    HelpMessageMode::/    /g' src/init.h

sed -i 's/enum FeeEstimateHorizon/enum class FeeEstimateHorizon/g' src/policy/fees.h

sed -i 's/enum BlockSource {/enum class BlockSource {/g' src/qt/clientmodel.h
git grep -l BLOCK_SOURCE_ | xargs sed -i 's/BLOCK_SOURCE_\(NONE\|REINDEX\|DISK\|NETWORK\)/BlockSource::\1/g'
sed -i 's/^    BlockSource::/    /g' src/qt/clientmodel.h

sed -i 's/enum FlushStateMode {/enum class FlushStateMode {/g' src/validation.cpp
sed -i 's/FLUSH_STATE_\(NONE\|IF_NEEDED\|PERIODIC\|ALWAYS\)/FlushStateMode::\1/g' src/validation.cpp
sed -i 's/^    FlushStateMode::/    /g' src/validation.cpp

-END VERIFY SCRIPT-

Signed-off-by: pasta <pasta@dashboost.org>
2020-06-11 23:20:48 -05:00
Wladimir J. van der Laan
5757e0d9e3
Merge #10699: Make all script validation flags backward compatible
01013f5 Simplify tx validation tests (Pieter Wuille)
2dd6f80 Add a test that all flags are softforks (Pieter Wuille)
2851b77 Make all script verification flags softforks (Pieter Wuille)

Pull request description:

  This change makes `SCRIPT_VERIFY_UPGRADABLE_NOPS` not apply to `OP_CHECKLOCKTIMEVERIFY` and `OP_CHECKSEQUENCEVERIFY`. This is a no-op as `UPGRADABLE_NOPS` is only set for mempool transactions, and those always have `SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY` and `SCRIPT_VERIFY_CHECKSEQUENCEVERIFY` set as well. The advantage is that setting more flags now always results in a reduction in acceptable scripts (=softfork).

  This results in a nice and testable property for validation, for which a new test is added.

  This also means that the introduction of a new definition for a NOP or witness version will likely need the following procedure (example OP_NOP8 here)
  * Remove OP_NOP8 from being affected by `SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS`.
  * Add a `SCRIPT_VERIFY_DISCOURAGE_NOP8`, which only applies to `OP_NOP8`.
  * Add a `SCRIPT_VERIFY_NOP8` which implements the new consensus logic.
  * Before activation, add `SCRIPT_VERIFY_DISCOURAGE_NOP8` to the mempool flags.
  * After activation, add `SCRIPT_VERIFY_NOP8` to both the mempool and consensus flags.

Tree-SHA512: d3b4538986ecf646aac9dba13a8d89318baf9e308e258547ca3b99e7c0509747f323edac6b1fea4e87e7d3c01b71193794b41679ae4f86f6e11ed6be3fd62c72
2020-04-05 11:06:13 -05:00
PastaPastaPasta
8a1ec935a0
Backport 11651 (#3358)
* scripted-diff: Replace #include "" with #include <> (ryanofsky)

-BEGIN VERIFY SCRIPT-
for f in \
  src/*.cpp \
  src/*.h \
  src/bench/*.cpp \
  src/bench/*.h \
  src/compat/*.cpp \
  src/compat/*.h \
  src/consensus/*.cpp \
  src/consensus/*.h \
  src/crypto/*.cpp \
  src/crypto/*.h \
  src/crypto/ctaes/*.h \
  src/policy/*.cpp \
  src/policy/*.h \
  src/primitives/*.cpp \
  src/primitives/*.h \
  src/qt/*.cpp \
  src/qt/*.h \
  src/qt/test/*.cpp \
  src/qt/test/*.h \
  src/rpc/*.cpp \
  src/rpc/*.h \
  src/script/*.cpp \
  src/script/*.h \
  src/support/*.cpp \
  src/support/*.h \
  src/support/allocators/*.h \
  src/test/*.cpp \
  src/test/*.h \
  src/wallet/*.cpp \
  src/wallet/*.h \
  src/wallet/test/*.cpp \
  src/wallet/test/*.h \
  src/zmq/*.cpp \
  src/zmq/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-

Signed-off-by: Pasta <pasta@dashboost.org>

* scripted-diff: Replace #include "" with #include <> (Dash Specific)

-BEGIN VERIFY SCRIPT-
for f in \
  src/bls/*.cpp \
  src/bls/*.h \
  src/evo/*.cpp \
  src/evo/*.h \
  src/governance/*.cpp \
  src/governance/*.h \
  src/llmq/*.cpp \
  src/llmq/*.h \
  src/masternode/*.cpp \
  src/masternode/*.h \
  src/privatesend/*.cpp \
  src/privatesend/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-

Signed-off-by: Pasta <pasta@dashboost.org>

* build: Remove -I for everything but project root

Remove -I from build system for everything but the project root,
and built-in dependencies.

Signed-off-by: Pasta <pasta@dashboost.org>

# Conflicts:
#	src/Makefile.test.include

* qt: refactor: Use absolute include paths in .ui files

* qt: refactor: Changes to make include paths absolute

This makes all include paths in the GUI absolute.

Many changes are involved as every single source file in
src/qt/ assumes to be able to use relative includes.

Signed-off-by: Pasta <pasta@dashboost.org>

# Conflicts:
#	src/qt/dash.cpp
#	src/qt/optionsmodel.cpp
#	src/qt/test/rpcnestedtests.cpp

* test: refactor: Use absolute include paths for test data files

* Recommend #include<> syntax in developer notes

* refactor: Include obj/build.h instead of build.h

* END BACKPORT #11651 Remove trailing whitespace causing travis failure

* fix backport 11651

Signed-off-by: Pasta <pasta@dashboost.org>

* More of 11651

* fix blockchain.cpp

Signed-off-by: pasta <pasta@dashboost.org>

* Add missing "qt/" in includes

* Add missing "test/" in includes

* Fix trailing whitespaces

Co-authored-by: Wladimir J. van der Laan <laanwj@gmail.com>
Co-authored-by: Russell Yanofsky <russ@yanofsky.org>
Co-authored-by: MeshCollider <dobsonsa68@gmail.com>
Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
2020-03-20 01:46:56 +03:00
Wladimir J. van der Laan
fdf3f25a0a
Merge #10969: Declare single-argument (non-converting) constructors "explicit"
64fb0ac Declare single-argument (non-converting) constructors "explicit" (practicalswift)

Pull request description:

  Declare single-argument (non-converting) constructors `explicit`.

  In order to avoid unintended implicit conversions.

  For a more thorough discussion, see ["C.46: By default, declare single-argument constructors explicit"](http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#c46-by-default-declare-single-argument-constructors-explicit) in the C++ Core Guidelines (Stroustrup & Sutter).

Tree-SHA512: e0c6922e56b11fa402621a38656d8b1122d16dd8f160e78626385373cf184ac7f26cb4c1851eca47e9b0dbd5e924e39a85c3cbdcb627a05ee3a655ecf5f7a0f1
2020-01-10 10:33:57 -06:00
Alexander Block
16bd20e57c Remove segwit related code 2019-09-20 11:10:06 +02:00
Pieter Wuille
fff708d3a3 BIP143: Verification logic
Includes simplifications by Eric Lombrozo.
2019-09-19 21:04:36 +02:00
Pieter Wuille
8da543f279 Refactor script validation to observe amounts
This is a preparation for BIP143 support.
2019-09-19 21:04:36 +02:00
Pasta
1a0d52814e
#10483 scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL
-BEGIN VERIFY SCRIPT-
sed -i 's/\<NULL\>/nullptr/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h src/qt/*/*.cpp src/qt/*/*.h src/wallet/*/*.cpp src/wallet/*/*.h src/support/allocators/*.h
sed -i 's/Prefer nullptr, otherwise SAFECOOKIE./Prefer NULL, otherwise SAFECOOKIE./g' src/torcontrol.cpp
sed -i 's/tor: Using nullptr authentication/tor: Using NULL authentication/g' src/torcontrol.cpp
sed -i 's/METHODS=nullptr/METHODS=NULL/g' src/test/torcontrol_tests.cpp src/torcontrol.cpp
sed -i 's/nullptr certificates/NULL certificates/g' src/qt/paymentserver.cpp
sed -i 's/"nullptr"/"NULL"/g' src/torcontrol.cpp src/test/torcontrol_tests.cpp
-END VERIFY SCRIPT-

Signed-off-by: Pasta <pasta@dashboost.org>
2019-08-12 09:07:03 -05:00
Pieter Wuille
9be6722049
Merge #8524: Precompute sighashes
35fe039 Rename to PrecomputedTransactionData (Pieter Wuille)
ab48c5e Unit test for sighash caching (Nicolas DORIER)
d2c5d04 Precompute sighashes (Pieter Wuille)

add missing change from bitcoinconsensus.cpp

Signed-off-by: Pasta <Pasta@dash.org>
2019-06-11 18:01:42 -05:00
gladcow
2ea6f7d82e Use override keyword for overriden class member functions (#1644)
* Use `override` keyword for all overriden functions

* more override
2018-02-15 10:29:15 +03:00
Wladimir J. van der Laan
a75d6110ee Merge #8634: Add policy: null signature for failed CHECK(MULTI)SIG
e41bd44 Add policy: null signature for failed CHECK(MULTI)SIG (Johnson Lau)
2018-01-12 08:02:45 +01:00
Mark Friedenbach
c0c5e09fe2 BIP112: Implement CHECKSEQUENCEVERIFY
- Replace NOP3 with CHECKSEQUENCEVERIFY (BIP112)
  <nSequence> CHECKSEQUENCEVERIFY -> <nSequence>
- Fails if txin.nSequence < nSequence, allowing funds of a txout to be locked for a number of blocks or a duration of time after its inclusion in a block.
- Pull most of CheckLockTime() out into VerifyLockTime(), a local function that will be reused for CheckSequence()
- Add bitwise AND operator to CScriptNum
- Enable CHECKSEQUENCEVERIFY as a standard script verify flag
- Transactions that fail CSV verification will be rejected from the mempool, making it easy to test the feature. However blocks containing "invalid" CSV-using transactions will still be accepted; this is *not* the soft-fork required to actually enable CSV for production use.
2016-03-18 09:14:52 +00:00
MarcoFalke
333e1eaeea
Bump copyright headers to 2015
- Bump copyright headers to 2015
- [devtools] Rewrite fix-copyright-headers.py
- [devtools] Use git pretty-format for year parsing

Github-Pull: #7205
Rebased-From: fa6ad855e9 fa24439ff3 fa71669452
2016-01-05 14:13:33 +01:00
mruddy
af3208bfa6 Resolve issue 3166.
These changes decode valid SIGHASH types on signatures in assembly (asm) representations of scriptSig scripts.
This squashed commit incorporates substantial helpful feedback from jtimon, laanwj, and sipa.
2015-07-30 19:56:00 -04:00
Peter Todd
bc60b2b4b4 Replace NOP2 with CHECKLOCKTIMEVERIFY (BIP65)
<nLockTime> CHECKLOCKTIMEVERIFY -> <nLockTime>

Fails if tx.nLockTime < nLockTime, allowing the funds in a txout to be
locked until some block height or block time in the future is reached.

Only the logic and unittests are implemented; this commit does not have
any actual soft-fork logic in it.

Thanks to Pieter Wuille for rebase.

Credit goes to Gregory Maxwell for the suggestion of comparing the
argument against the transaction nLockTime rather than the current
time/blockheight directly.
2015-06-21 23:56:28 -04:00
Pieter Wuille
9fddceda44 Avoid storing a reference passed to SignatureChecker constructors 2015-02-02 20:19:46 -08:00
Pieter Wuille
858809a33e Use separate SignatureChecker for CMutableTransaction 2015-02-02 20:19:12 -08:00
Wladimir J. van der Laan
48e1765e27
Merge pull request #5143
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)
2015-01-08 12:01:22 +01:00
sandakersmann
f914f1a746
Added "Core" to copyright headers
Github-Pull: #5494
Rebased-From: 15de949bb9277e442302bdd8dee299a8d6deee60
2014-12-19 19:55:32 +01:00
Pieter Wuille
b6e03cc592 Add SCRIPT_VERIFY_CLEANSTACK (BIP62 rule 6)
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).
2014-11-25 12:38:01 +01:00
Pieter Wuille
98b135f97f Make STRICTENC invalid pubkeys fail the script rather than the opcode.
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.
2014-11-20 15:29:26 +01:00
Peter Todd
03914234b3
Discourage NOPs reserved for soft-fork upgrades
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.
2014-11-17 22:22:33 -05:00
Cory Fields
ab9edbd6b6 script: create sane error return codes for script validation and remove logging
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!
2014-11-14 16:25:53 -05:00
Pavel Janík
84738627ce Fix all header defines 2014-11-03 16:16:40 +01:00
Pieter Wuille
698c6abb25 Add SCRIPT_VERIFY_MINIMALDATA (BIP62 rules 3 and 4)
Also use the new flag as a standard rule, and replace the IsCanonicalPush
standardness check with it (as it is more complete).
2014-10-25 03:03:20 -07:00
Pieter Wuille
d752ba86c1 Add SCRIPT_VERIFY_SIGPUSHONLY (BIP62 rule 2) 2014-10-25 03:03:16 -07:00
Pieter Wuille
9df9cf5a9f Make SCRIPT_VERIFY_STRICTENC compatible with BIP62
* Delete canonical_tests.cpp, and move the tests to script_tests.cpp.
* Split off SCRIPT_VERIFY_DERSIG from SCRIPT_VERIFY_STRICTENC (the BIP62 part of it).
* Change signature STRICTENC/DERSIG semantics to fail the script entirely rather than the CHECKSIG result (softfork safety, and BIP62 requirement).
* Add many autogenerated tests for several odd cases.
* Mention specific BIP62 rules in the script verification flags.
2014-10-08 15:42:29 -07:00
Philip Kaufmann
5eed8c21c7 minor license, header end comment etc. cleanup in /script
- ensure all licenses are just MIT
- add a missing header end comment
- ensure alphabetical ordering
2014-10-06 13:00:55 +02:00
Pieter Wuille
e790c370b5 Replace SCRIPT_VERIFY_NOCACHE by flag directly to checker 2014-10-02 20:26:58 +02:00
Pieter Wuille
5c1e798a8e Make signature cache optional 2014-10-02 20:26:17 +02:00
Pieter Wuille
c7829ea797 Abstract out SignatureChecker 2014-10-02 20:26:16 +02:00
Wladimir J. van der Laan
438c7e4cd2
Merge pull request #4555
6dcfda2 Don't pass nHashType to EvalScript nor CheckSig (jtimon)
2b23a87 Don't pass nHashType to VerifyScript (jtimon)
ce3649fb Remove CScriptCheck::nHashType (was always 0) (jtimon)
358562b Remove unused function main:VerifySignature (jtimon)
2014-09-17 13:44:22 +02:00
Philip Kaufmann
2d79bba36b cleanup new script files (no code changes)
- add missing header end comments
- ensure alphabetical ordering
- update copyright year and license
2014-09-14 12:25:38 +02:00
jtimon
6dcfda2dc4 Don't pass nHashType to EvalScript nor CheckSig 2014-09-12 20:04:31 +02:00
jtimon
2b23a87599 Don't pass nHashType to VerifyScript 2014-09-12 20:04:31 +02:00
jtimon
da03e6ed7c Separate script/interpreter 2014-09-08 20:21:33 +02:00