Collateral in BTC wei (1e18).
The position's ENTIRE debt (e.g. for an open: draw + fee + 200).
OptionalnumOverride the auto-scaled trial count (skips the getSize() read).
OptionalrandomOverride the sampling seed (default DEFAULT_HINT_RANDOM_SEED).
Inputs to computeHints: the position shape plus optional trial/seed overrides.