test: add stale-first reorg proxy with reorg validation#123
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test: add stale-first reorg proxy with reorg validation#123
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l0rinc
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Mar 3, 2026
Add a stale-first historical reorg proxy and functional coverage: - add test framework helper to serve stale blocks before canonical blocks - add p2p_historical_reorg_proxy functional test - add contrib/historical_reorg_proxy.py runner for local/real-node replay - add debug.log reorg validation summary in the contrib runner - add docs and register test in test_runner.py Reproducer (local, stop at height 300000): BASE_DIR="/mnt/my_storage" SRC_DIR="/bitcoin" SRC_DATA_DIR="/BitcoinData" TGT_DATA_DIR="/ShallowBitcoinData" LOG_DIR="/logs" STALE_DIR="/data/my_storage/stale-blocks/blocks" # Terminal 1: upstream node (RPC required; cookie auth, no rpcuser/rpcpassword) "/build/bin/bitcoind" \ -datadir="" \ -server=1 \ -rpcbind=127.0.0.1 \ -rpcallowip=127.0.0.1 \ -rpcport=19443 \ -stopatheight=300000 \ -debuglogfile="/upstream-300k.log" # Terminal 2: stale-first proxy "/contrib/historical_reorg_proxy.py" \ --upstream-rpc=http://127.0.0.1:19443 \ --upstream-cookie-file="/.cookie" \ --stale-blocks-dir="" \ --target-debug-log="/shallow-300k.log" \ --listen-host=127.0.0.1 \ --listen-port=8338 \ --network=mainnet # Terminal 3: target node under test (no -server=1) "/build/bin/bitcoind" \ -datadir="" \ -prune=550 \ -noconnect \ -addnode=127.0.0.1:8338 \ -listen=0 \ -dnsseed=0 \ -fixedseeds=0 \ -discover=0 \ -stopatheight=300000 \ -debuglogfile="/shallow-300k.log" After the target exits at 300000, stop the proxy with Ctrl-C to print the reorg validation summary from debug.log. ---- Reproducer (local, stop at height 300000): BASE_DIR="/mnt/my_storage" SRC_DIR="$BASE_DIR/bitcoin" SRC_DATA_DIR="$BASE_DIR/BitcoinData" TGT_DATA_DIR="$BASE_DIR/ShallowBitcoinData" LOG_DIR="$BASE_DIR/logs" STALE_DIR="/data/my_storage/stale-blocks/blocks" # Terminal 1: upstream node (RPC required; cookie auth, no rpcuser/rpcpassword) "$SRC_DIR/build/bin/bitcoind" \ -datadir="$SRC_DATA_DIR" \ -server=1 \ -rpcbind=127.0.0.1 \ -rpcallowip=127.0.0.1 \ -rpcport=19443 \ -stopatheight=300000 \ -debuglogfile="$LOG_DIR/upstream-300k.log" # Terminal 2: stale-first proxy "$SRC_DIR/contrib/historical_reorg_proxy.py" \ --upstream-rpc=http://127.0.0.1:19443 \ --upstream-cookie-file="$SRC_DATA_DIR/.cookie" \ --stale-blocks-dir="$STALE_DIR" \ --target-debug-log="$LOG_DIR/shallow-300k.log" \ --listen-host=127.0.0.1 \ --listen-port=8338 \ --network=mainnet # Terminal 3: target node under test (no -server=1) "$SRC_DIR/build/bin/bitcoind" \ -datadir="$TGT_DATA_DIR" \ -prune=550 \ -noconnect \ -addnode=127.0.0.1:8338 \ -listen=0 \ -dnsseed=0 \ -fixedseeds=0 \ -discover=0 \ -stopatheight=300000 \ -debuglogfile="$LOG_DIR/shallow-300k.log" After the target exits at 300000, stop the proxy with Ctrl-C to print the reorg validation summary from debug.log.
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