Function findAndRoll

protocol/txbuilder/template.go:661–673

(b *txvmutil.Builder, stack []stackItem, f func(int, stackItem) bool)

}

func findAndRoll(b *txvmutil.Builder, stack []stackItem, f func(int, stackItem) bool) []stackItem {
	for i := len(stack) - 1; i >= 0; i-- {
		if f(i, stack[i]) {
			if i == len(stack)-1 {
				return stack
			}
			b.PushdataInt64(int64(len(stack) - i - 1))
			b.Op(op.Roll)
			return append(stack[:i], append(stack[i+1:], stack[i])...)
		}
	}
	return nil
}

func bury(b *txvmutil.Builder, stack []stackItem, n int) []stackItem {
	b.PushdataInt64(int64(n)) // <n>