5cf622881f
Adds accounting Service implementation that verifiers request signatures and signs responses from internal Service. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
43 lines
947 B
Go
43 lines
947 B
Go
package accounting
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import (
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"context"
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"crypto/ecdsa"
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"github.com/nspcc-dev/neofs-api-go/v2/accounting"
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"github.com/nspcc-dev/neofs-api-go/v2/signature"
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"github.com/pkg/errors"
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)
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type signService struct {
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key *ecdsa.PrivateKey
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svc accounting.Service
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}
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func NewSignService(key *ecdsa.PrivateKey, svc accounting.Service) accounting.Service {
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return &signService{
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key: key,
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svc: svc,
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}
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}
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func (s *signService) Balance(ctx context.Context, req *accounting.BalanceRequest) (*accounting.BalanceResponse, error) {
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// verify request signatures
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if err := signature.VerifyServiceMessage(req); err != nil {
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return nil, errors.Wrap(err, "could not verify request")
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}
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// process request
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resp, err := s.svc.Balance(ctx, req)
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if err != nil {
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return nil, err
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}
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// sign the response
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if err := signature.SignServiceMessage(s.key, resp); err != nil {
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return nil, errors.Wrap(err, "could not sign response")
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}
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return resp, nil
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}
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