I was West.
Curse my partner for missing the 4♠ sacrifice. Oh well, I went for a "wait and see" lead, then switched to hearts as dummy was advertising declarer's cross-ruff line in big shiny red letters.
Iguess 4♥ is cold, but what if declarer draws trumps first?

Help

P - 1♥ - X - 2♥
P - 4♥ - all pass
Lead: ♣K