Review club : p2p - Fill reconciliation sets

[Prabhat1308]

Session Details

Date : 11-07-2024
Time: IST 20:00 (UTC 14:30)
Link : p2p: Fill reconciliation sets (Erlay)
BIP : 330
Difficulty : High

Notes

We would be looking into the PR again and would be trying to write unit tests and fuzz tests specific to the PR .

Questions

1.What is fuzz testing and how is it different from other methods of testing ?
2. What should be the ideal amount of fanout targets from the nodetoparents array for reconciliaation and fanout ?

Learnings

sketches
erlay
multi-threaded architecture

Pre-Requisites

PR review club - BIP330
guide to run tests in bitcoin-core

[Prabhat1308]

# running fuzz test

make clean
export LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/11:$LIBRARY_PATH
export LD_LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/11:$LD_LIBRARY_PATH
export CXXFLAGS="-std=c++20 -isystem /usr/include/c++/11 -isystem /usr/include/x86_64-linux-gnu/c++/11"
CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined 
make -j "$(($(nproc)+1))"
FUZZ=BITSHALA_TEST src/test/fuzz/fuzz

# get coverage reports (for unit tests and regression tests )
make clean
./configure --enable-lcov
make -j "$(($(nproc)+1))"
make -j "$(($(nproc)+1))" cov

# running with gdb
cd bitcoin
make clean
./configure --disable-wallet --disable-fuzz -disable-fuzz-binary --with-gui=no CXXFLAGS="-O0 -ggdb3"
make -j "$(($(nproc)+1))"
gdb test_bitcoin
run --run_test=txreconciliation_tests/ShouldFanoutToTest