package services

import (
    "ripple/bug"
    "ripple/types"
)

func (m *PaymentManager) PreviewBandwidthIn(id types.UserIdentifier) uint64 {
    bandwidth := int64(m.st.Storage.GetBandwidthIn(id))
    for paymentID := range m.st.Memory.Commit[id] {
        pf, ok := m.st.Memory.GetPathfinding(paymentID)
        if !ok {
            continue
        }
		if pf.Incoming == id && pf.Commit {
            bandwidth -= int64(pf.Amount+pf.FeeIn())
		}
    }
    if bandwidth < 0 {
        panic(bug.BugStateViolated)
    }
    return uint64(bandwidth)
}