The budget a queued mint escrows: min(max_cost, available − fee), and for exact quantity also
at most the quantity. null when the balance doesn't cover the fee. Enqueue debits the budget
plus the order fee, and the unspent budget comes back at the fill.
The budget a queued mint escrows:
min(max_cost, available − fee), and for exact quantity also at most the quantity.nullwhen the balance doesn't cover the fee. Enqueue debits the budget plus the order fee, and the unspent budget comes back at the fill.