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Do not share functions that are meant to be translation unit local with
other translation units. Use internal linkage for those consistently.
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-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-
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f3ba869 [tests] Add libFuzzer support. (practicalswift)
Pull request description:
Add `libFuzzer` support.
As discussed in [issue #10364](https://github.com/bitcoin/bitcoin/issues/10364#issuecomment-300000902).
See http://llvm.org/docs/LibFuzzer.html#fuzzer-usage for usage instructions.
Tree-SHA512: 32562a3a43eb07e79989d55eeb0bfe94e2cff060da8ff0cb50c2f838ef19f2fd583a3dc89074a6442bd3e395185d309371325ed9a0ef50065431d5ea7f099772
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This patch makes several related changes:
* Changes the CCoinsView virtual methods (GetCoins, HaveCoins, ...)
to be COutPoint/Coin-based rather than txid/CCoins-based.
* Changes the chainstate db to a new incompatible format that is also
COutPoint/Coin based.
* Implements reconstruction code for hash_serialized_2.
* Adapts the coins_tests unit tests (thanks to Russell Yanofsky).
A side effect of the new CCoinsView model is that we can no longer
use the (unreliable) test for transaction outputs in the UTXO set
to determine whether we already have a particular transaction.
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See http://llvm.org/docs/LibFuzzer.html#fuzzer-usage for usage instructions.
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Enable the `afl-clang-fast++` features deferred forkserver (`__AFL_INIT`) and persistent mode (`__AFL_LOOP(1000)`).
Before this patch:
```
$ afl-fuzz -i input -o output -m512 -- src/test/test_bitcoin_fuzzy
[*] Validating target binary...
[!] WARNING: The target binary is pretty slow! See /usr/local/share/doc/afl/perf_tips.txt.
[+] Here are some useful stats:
Test case count : 1 favored, 0 variable, 1 total
Bitmap range : 1072 to 1072 bits (average: 1072.00 bits)
Exec timing : 20.4k to 20.4k us (average: 20.4k us)
…
exec speed : 57.58/sec (slow!)
exec speed : 48.35/sec (slow!)
exec speed : 53.78/sec (slow!)
```
After this patch:
```
$ afl-fuzz -i input -o output -m512 -- src/test/test_bitcoin_fuzzy
[*] Validating target binary...
[+] Persistent mode binary detected.
[+] Deferred forkserver binary detected.
[+] Here are some useful stats:
Test case count : 1 favored, 0 variable, 1 total
Bitmap range : 24 to 24 bits (average: 24.00 bits)
Exec timing : 114 to 114 us (average: 114 us)
…
exec speed : 15.9k/sec
exec speed : 13.1k/sec
exec speed : 15.1k/sec
```
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This avoids calling things like pubkey_parse with a null context argument.
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Edited via:
$ contrib/devtools/copyright_header.py update .
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