frostfs-api-go/pkg/client/reputation.go
Evgenii Stratonikov 9ddfcdfbba [#277] go.mod: remove pkg/errors
Use stdlib `errors` instead.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 11:14:56 +03:00

161 lines
4.6 KiB
Go

package client
import (
"context"
"fmt"
"github.com/nspcc-dev/neofs-api-go/pkg/reputation"
"github.com/nspcc-dev/neofs-api-go/rpc/client"
v2reputation "github.com/nspcc-dev/neofs-api-go/v2/reputation"
rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
)
// Reputation contains methods for working with Reputation system values.
type Reputation interface {
// AnnounceLocalTrust announces local trust values of local peer.
AnnounceLocalTrust(context.Context, AnnounceLocalTrustPrm, ...CallOption) (*AnnounceLocalTrustRes, error)
// AnnounceIntermediateTrust announces the intermediate result of the iterative algorithm for calculating
// the global reputation of the node.
AnnounceIntermediateTrust(context.Context, AnnounceIntermediateTrustPrm, ...CallOption) (*AnnounceIntermediateTrustRes, error)
}
// AnnounceLocalTrustPrm groups parameters of AnnounceLocalTrust operation.
type AnnounceLocalTrustPrm struct {
epoch uint64
trusts []*reputation.Trust
}
// Epoch returns epoch in which the trust was assessed.
func (x AnnounceLocalTrustPrm) Epoch() uint64 {
return x.epoch
}
// SetEpoch sets epoch in which the trust was assessed.
func (x *AnnounceLocalTrustPrm) SetEpoch(epoch uint64) {
x.epoch = epoch
}
// Trusts returns list of local trust values.
func (x AnnounceLocalTrustPrm) Trusts() []*reputation.Trust {
return x.trusts
}
// SetTrusts sets list of local trust values.
func (x *AnnounceLocalTrustPrm) SetTrusts(trusts []*reputation.Trust) {
x.trusts = trusts
}
// AnnounceLocalTrustRes groups results of AnnounceLocalTrust operation.
type AnnounceLocalTrustRes struct{}
func (c *clientImpl) AnnounceLocalTrust(ctx context.Context, prm AnnounceLocalTrustPrm, opts ...CallOption) (*AnnounceLocalTrustRes, error) {
// apply all available options
callOptions := c.defaultCallOptions()
for i := range opts {
opts[i](callOptions)
}
reqBody := new(v2reputation.AnnounceLocalTrustRequestBody)
reqBody.SetEpoch(prm.Epoch())
reqBody.SetTrusts(reputation.TrustsToV2(prm.Trusts()))
req := new(v2reputation.AnnounceLocalTrustRequest)
req.SetBody(reqBody)
req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
err := v2signature.SignServiceMessage(callOptions.key, req)
if err != nil {
return nil, err
}
resp, err := rpcapi.AnnounceLocalTrust(c.Raw(), req, client.WithContext(ctx))
if err != nil {
return nil, err
}
err = v2signature.VerifyServiceMessage(resp)
if err != nil {
return nil, fmt.Errorf("can't verify response message: %w", err)
}
return new(AnnounceLocalTrustRes), nil
}
// AnnounceIntermediateTrustPrm groups parameters of AnnounceIntermediateTrust operation.
type AnnounceIntermediateTrustPrm struct {
epoch uint64
iter uint32
trust *reputation.PeerToPeerTrust
}
func (x *AnnounceIntermediateTrustPrm) Epoch() uint64 {
return x.epoch
}
func (x *AnnounceIntermediateTrustPrm) SetEpoch(epoch uint64) {
x.epoch = epoch
}
// Iteration returns sequence number of the iteration.
func (x AnnounceIntermediateTrustPrm) Iteration() uint32 {
return x.iter
}
// SetIteration sets sequence number of the iteration.
func (x *AnnounceIntermediateTrustPrm) SetIteration(iter uint32) {
x.iter = iter
}
// Trust returns current global trust value computed at the specified iteration.
func (x AnnounceIntermediateTrustPrm) Trust() *reputation.PeerToPeerTrust {
return x.trust
}
// SetTrust sets current global trust value computed at the specified iteration.
func (x *AnnounceIntermediateTrustPrm) SetTrust(trust *reputation.PeerToPeerTrust) {
x.trust = trust
}
// AnnounceIntermediateTrustRes groups results of AnnounceIntermediateTrust operation.
type AnnounceIntermediateTrustRes struct{}
func (c *clientImpl) AnnounceIntermediateTrust(ctx context.Context, prm AnnounceIntermediateTrustPrm, opts ...CallOption) (*AnnounceIntermediateTrustRes, error) {
// apply all available options
callOptions := c.defaultCallOptions()
for i := range opts {
opts[i](callOptions)
}
reqBody := new(v2reputation.AnnounceIntermediateResultRequestBody)
reqBody.SetEpoch(prm.Epoch())
reqBody.SetIteration(prm.Iteration())
reqBody.SetTrust(prm.Trust().ToV2())
req := new(v2reputation.AnnounceIntermediateResultRequest)
req.SetBody(reqBody)
req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
err := v2signature.SignServiceMessage(callOptions.key, req)
if err != nil {
return nil, err
}
resp, err := rpcapi.AnnounceIntermediateResult(c.Raw(), req, client.WithContext(ctx))
if err != nil {
return nil, err
}
err = v2signature.VerifyServiceMessage(resp)
if err != nil {
return nil, fmt.Errorf("can't verify response message: %w", err)
}
return new(AnnounceIntermediateTrustRes), nil
}