bitcoind_stopatheight_test.sh

#!/bin/bash

BITCOIND="bitcoind"
BITCOINCLI="bitcoin-cli"
GREP="grep"
DATADIR="/tmp/btc_stopatheight_test"
EXPECTED_HEIGHT=10
ITERATIONS=100
BITCOIN_SHARED_OPTS="-signet -signetchallenge=xx -addnode=a.b.c.d:38333 -datadir=$DATADIR"

if ! command -v $BITCOIND &> /dev/null; then
    echo "Error: bitcoind not found."
    exit 1
fi

for ((i=1;i<=ITERATIONS;i++)); do
    echo "Iteration $i of $ITERATIONS"
    
    rm -rf "$DATADIR"
    mkdir -p "$DATADIR"
    
    $BITCOIND $BITCOIN_SHARED_OPTS -daemon -stopatheight=$EXPECTED_HEIGHT > /dev/null 2>&1
    
    # Wait for bitcoind to start and then exit
    sleep 2
    while pgrep -f "$BITCOIND $BITCOIN_SHARED_OPTS" > /dev/null; do
        sleep 1
    done

    LOG_FILE="$DATADIR/signet/debug.log"

    if [ ! -f "$LOG_FILE" ]; then
        echo "PANIC: Log file not found. Bitcoind failed to start or write logs."
        exit 1
    fi

    if ! $GREP -q "height=$EXPECTED_HEIGHT" "$LOG_FILE"; then
        echo "PANIC: Expected height $EXPECTED_HEIGHT not found in logs."
        exit 1
    fi

    NEXT_HEIGHT=$((EXPECTED_HEIGHT + 1))
    if $GREP -q "height=$NEXT_HEIGHT" "$LOG_FILE"; then
        echo "PANIC: Found height $NEXT_HEIGHT in logs (went too far)."
        exit 1
    fi
done

echo "Test completed successfully."