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test: cbwin-e2e waits for the DB lock when it renames shares #100

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Merged
rsantacroce merged 1 commit into from
Oct 12, 2026
Merged

test: cbwin-e2e waits for the DB lock when it renames shares #100

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11 changes: 7 additions & 4 deletions tests/test_pplns_coinbase_regtest.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -682,7 +682,10 @@ stage "assert a pool that cannot measure its window publishes NO job"
# same path out of store_pplns_window(), and it exercises the real binary
# rather than a redirected sqlite3_step.
JOBS_BEFORE="$(grep -c 'new job: height=' "$MIX_LOG")"
sqlite3 "$MIX_DB" "ALTER TABLE shares RENAME TO shares_hidden;"
# The pool holds the DB open and retries its window query on every poll, so
# the rename can land while it holds a lock. The sqlite3 CLI has no busy
# timeout by default and fails at once with "database is locked"; wait instead.
sqlite3 -cmd ".timeout 10000" "$MIX_DB" "ALTER TABLE shares RENAME TO shares_hidden;"
echo " shares table hidden; forcing a rebuild with a new tip"

# A new tip is when it matters most, and it forces a rebuild immediately
Expand All @@ -700,7 +703,7 @@ done
grep -qE 'window query failed|did not cover' "$MIX_LOG" || {
echo "FAIL: the window became unreadable and the pool never said so" >&2
tail -20 "$MIX_LOG" >&2
sqlite3 "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;" 2>/dev/null
sqlite3 -cmd ".timeout 10000" "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;" 2>/dev/null
exit 1; }
echo " refused: $(grep -oE '(window query failed|pplns window walk did not cover)[^\"]{0,40}' "$MIX_LOG" | tail -1)"

Expand All @@ -711,12 +714,12 @@ JOBS_BROKEN="$(grep -c 'new job: height=' "$MIX_LOG")"
[ "$JOBS_BROKEN" = "$JOBS_BEFORE" ] || {
echo "FAIL: the pool could not measure its window and published a job anyway" >&2
echo " ($JOBS_BEFORE jobs before, $JOBS_BROKEN after)" >&2
sqlite3 "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;" 2>/dev/null
sqlite3 -cmd ".timeout 10000" "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;" 2>/dev/null
exit 1; }
echo " published no job while the window was unreadable ($JOBS_BEFORE, unchanged)"

# Recovery: it is a hold, not a latch.
sqlite3 "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;"
sqlite3 -cmd ".timeout 10000" "$MIX_DB" "ALTER TABLE shares_hidden RENAME TO shares;"
mine_one
for _ in $(seq 1 40); do
JOBS_AFTER="$(grep -c 'new job: height=' "$MIX_LOG")"
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