frostfs-sdk-go/reputation/trust.go

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package reputation
import (
"crypto/ecdsa"
"errors"
"fmt"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-api-go/v2/reputation"
neofscrypto "github.com/nspcc-dev/neofs-sdk-go/crypto"
neofsecdsa "github.com/nspcc-dev/neofs-sdk-go/crypto/ecdsa"
"github.com/nspcc-dev/neofs-sdk-go/version"
)
// Trust represents peer's trust compatible with NeoFS API v2.
type Trust reputation.Trust
// NewTrust creates and returns blank Trust.
//
// Defaults:
// - value: 0;
// - PeerID: nil.
func NewTrust() *Trust {
return TrustFromV2(new(reputation.Trust))
}
// TrustFromV2 converts NeoFS API v2
// reputation.Trust message structure to Trust.
//
// Nil reputation.Trust converts to nil.
func TrustFromV2(t *reputation.Trust) *Trust {
return (*Trust)(t)
}
// ToV2 converts Trust to NeoFS API v2
// reputation.Trust message structure.
//
// Nil Trust converts to nil.
func (x *Trust) ToV2() *reputation.Trust {
return (*reputation.Trust)(x)
}
// TrustsToV2 converts slice of Trust's to slice of
// NeoFS API v2 reputation.Trust message structures.
func TrustsToV2(xs []Trust) (res []reputation.Trust) {
if xs != nil {
res = make([]reputation.Trust, len(xs))
for i := range xs {
res[i] = *xs[i].ToV2()
}
}
return
}
// SetPeer sets trusted peer ID.
func (x *Trust) SetPeer(id *PeerID) {
(*reputation.Trust)(x).SetPeer(id.ToV2())
}
// Peer returns trusted peer ID.
func (x *Trust) Peer() *PeerID {
return PeerIDFromV2(
(*reputation.Trust)(x).GetPeer())
}
// SetValue sets trust value.
func (x *Trust) SetValue(val float64) {
(*reputation.Trust)(x).SetValue(val)
}
// Value returns trust value.
func (x *Trust) Value() float64 {
return (*reputation.Trust)(x).GetValue()
}
// Marshal marshals Trust into a protobuf binary form.
func (x *Trust) Marshal() ([]byte, error) {
return (*reputation.Trust)(x).StableMarshal(nil)
}
// Unmarshal unmarshals protobuf binary representation of Trust.
func (x *Trust) Unmarshal(data []byte) error {
return (*reputation.Trust)(x).Unmarshal(data)
}
// MarshalJSON encodes Trust to protobuf JSON format.
func (x *Trust) MarshalJSON() ([]byte, error) {
return (*reputation.Trust)(x).MarshalJSON()
}
// UnmarshalJSON decodes Trust from protobuf JSON format.
func (x *Trust) UnmarshalJSON(data []byte) error {
return (*reputation.Trust)(x).UnmarshalJSON(data)
}
// PeerToPeerTrust represents directed peer-to-peer trust
// compatible with NeoFS API v2.
type PeerToPeerTrust reputation.PeerToPeerTrust
// NewPeerToPeerTrust creates and returns blank PeerToPeerTrust.
//
// Defaults:
// - trusting: nil;
// - trust: nil.
func NewPeerToPeerTrust() *PeerToPeerTrust {
return PeerToPeerTrustFromV2(new(reputation.PeerToPeerTrust))
}
// PeerToPeerTrustFromV2 converts NeoFS API v2
// reputation.PeerToPeerTrust message structure to PeerToPeerTrust.
//
// Nil reputation.PeerToPeerTrust converts to nil.
func PeerToPeerTrustFromV2(t *reputation.PeerToPeerTrust) *PeerToPeerTrust {
return (*PeerToPeerTrust)(t)
}
// ToV2 converts PeerToPeerTrust to NeoFS API v2
// reputation.PeerToPeerTrust message structure.
//
// Nil PeerToPeerTrust converts to nil.
func (x *PeerToPeerTrust) ToV2() *reputation.PeerToPeerTrust {
return (*reputation.PeerToPeerTrust)(x)
}
// SetTrustingPeer sets trusting peer ID.
func (x *PeerToPeerTrust) SetTrustingPeer(id *PeerID) {
(*reputation.PeerToPeerTrust)(x).SetTrustingPeer(id.ToV2())
}
// TrustingPeer returns trusting peer ID.
func (x *PeerToPeerTrust) TrustingPeer() *PeerID {
return PeerIDFromV2(
(*reputation.PeerToPeerTrust)(x).
GetTrustingPeer(),
)
}
// SetTrust sets trust value of the trusting peer to the trusted one.
func (x *PeerToPeerTrust) SetTrust(t *Trust) {
(*reputation.PeerToPeerTrust)(x).SetTrust(t.ToV2())
}
// Trust returns trust value of the trusting peer to the trusted one.
func (x *PeerToPeerTrust) Trust() *Trust {
return TrustFromV2(
(*reputation.PeerToPeerTrust)(x).GetTrust())
}
// Marshal marshals PeerToPeerTrust into a protobuf binary form.
func (x *PeerToPeerTrust) Marshal() ([]byte, error) {
return (*reputation.PeerToPeerTrust)(x).StableMarshal(nil)
}
// Unmarshal unmarshals protobuf binary representation of PeerToPeerTrust.
func (x *PeerToPeerTrust) Unmarshal(data []byte) error {
return (*reputation.PeerToPeerTrust)(x).Unmarshal(data)
}
// MarshalJSON encodes PeerToPeerTrust to protobuf JSON format.
func (x *PeerToPeerTrust) MarshalJSON() ([]byte, error) {
return (*reputation.PeerToPeerTrust)(x).MarshalJSON()
}
// UnmarshalJSON decodes PeerToPeerTrust from protobuf JSON format.
func (x *PeerToPeerTrust) UnmarshalJSON(data []byte) error {
return (*reputation.PeerToPeerTrust)(x).UnmarshalJSON(data)
}
// GlobalTrust represents peer's global trust compatible with NeoFS API v2.
type GlobalTrust reputation.GlobalTrust
// NewGlobalTrust creates and returns blank GlobalTrust.
//
// Defaults:
// - version: version.Current();
// - manager: nil;
// - trust: nil.
func NewGlobalTrust() *GlobalTrust {
gt := GlobalTrustFromV2(new(reputation.GlobalTrust))
ver := version.Current()
gt.SetVersion(&ver)
return gt
}
// GlobalTrustFromV2 converts NeoFS API v2
// reputation.GlobalTrust message structure to GlobalTrust.
//
// Nil reputation.GlobalTrust converts to nil.
func GlobalTrustFromV2(t *reputation.GlobalTrust) *GlobalTrust {
return (*GlobalTrust)(t)
}
// ToV2 converts GlobalTrust to NeoFS API v2
// reputation.GlobalTrust message structure.
//
// Nil GlobalTrust converts to nil.
func (x *GlobalTrust) ToV2() *reputation.GlobalTrust {
return (*reputation.GlobalTrust)(x)
}
// SetVersion sets GlobalTrust's protocol version.
func (x *GlobalTrust) SetVersion(version *version.Version) {
var verV2 refs.Version
version.WriteToV2(&verV2)
(*reputation.GlobalTrust)(x).SetVersion(&verV2)
}
// Version returns GlobalTrust's protocol version.
func (x *GlobalTrust) Version() *version.Version {
var ver version.Version
if verV2 := (*reputation.GlobalTrust)(x).GetVersion(); verV2 != nil {
ver.ReadFromV2(*verV2)
}
return &ver
}
func (x *GlobalTrust) setBodyField(setter func(*reputation.GlobalTrustBody)) {
if x != nil {
v2 := (*reputation.GlobalTrust)(x)
body := v2.GetBody()
if body == nil {
body = new(reputation.GlobalTrustBody)
v2.SetBody(body)
}
setter(body)
}
}
// SetManager sets node manager ID.
func (x *GlobalTrust) SetManager(id *PeerID) {
x.setBodyField(func(body *reputation.GlobalTrustBody) {
body.SetManager(id.ToV2())
})
}
// Manager returns node manager ID.
func (x *GlobalTrust) Manager() *PeerID {
return PeerIDFromV2(
(*reputation.GlobalTrust)(x).
GetBody().
GetManager(),
)
}
// SetTrust sets global trust value.
func (x *GlobalTrust) SetTrust(trust *Trust) {
x.setBodyField(func(body *reputation.GlobalTrustBody) {
body.SetTrust(trust.ToV2())
})
}
// Trust returns global trust value.
func (x *GlobalTrust) Trust() *Trust {
return TrustFromV2(
(*reputation.GlobalTrust)(x).
GetBody().
GetTrust(),
)
}
// Sign signs global trust value with key.
func (x *GlobalTrust) Sign(key *ecdsa.PrivateKey) error {
if key == nil {
return errors.New("nil private key")
}
m := (*reputation.GlobalTrust)(x)
data, err := m.GetBody().StableMarshal(nil)
if err != nil {
return fmt.Errorf("marshal body: %w", err)
}
var sig neofscrypto.Signature
var signer neofsecdsa.Signer
signer.SetKey(*key)
err = sig.Calculate(signer, data)
if err != nil {
return fmt.Errorf("calculate signature: %w", err)
}
var sigv2 refs.Signature
sig.WriteToV2(&sigv2)
m.SetSignature(&sigv2)
return nil
}
// VerifySignature verifies global trust signature.
func (x *GlobalTrust) VerifySignature() error {
m := (*reputation.GlobalTrust)(x)
sigV2 := m.GetSignature()
if sigV2 == nil {
return errors.New("missing signature")
}
data, err := m.GetBody().StableMarshal(nil)
if err != nil {
return fmt.Errorf("marshal body: %w", err)
}
var sig neofscrypto.Signature
sig.ReadFromV2(*sigV2)
if !sig.Verify(data) {
return errors.New("wrong signature")
}
return nil
}
// Marshal marshals GlobalTrust into a protobuf binary form.
func (x *GlobalTrust) Marshal() ([]byte, error) {
return (*reputation.GlobalTrust)(x).StableMarshal(nil)
}
// Unmarshal unmarshals protobuf binary representation of GlobalTrust.
func (x *GlobalTrust) Unmarshal(data []byte) error {
return (*reputation.GlobalTrust)(x).Unmarshal(data)
}
// MarshalJSON encodes GlobalTrust to protobuf JSON format.
func (x *GlobalTrust) MarshalJSON() ([]byte, error) {
return (*reputation.GlobalTrust)(x).MarshalJSON()
}
// UnmarshalJSON decodes GlobalTrust from protobuf JSON format.
func (x *GlobalTrust) UnmarshalJSON(data []byte) error {
return (*reputation.GlobalTrust)(x).UnmarshalJSON(data)
}