audit.go

// Copyright (C) 2016 Space Monkey, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package gfbank

type ShareAudit struct {
	Number   string
	Identity string
	KeyId    string
	Safe     bool
}

type VaultAudit struct {
	Name   string
	Needed int
	Shares []ShareAudit
}

type AuditStatus int

const (
	VaultOK AuditStatus = iota
	VaultAtRisk
	VaultLost
)

func (va *VaultAudit) Safe() (n int) {
	for _, share := range va.Shares {
		if share.Safe {
			n++
		}
	}
	return n
}

func (va *VaultAudit) Status() AuditStatus {
	n := va.Safe()
	switch {
	case n < va.Needed:
		return VaultLost
	case n < len(va.Shares):
		return VaultAtRisk
	default:
		return VaultOK
	}
}