forked from hyperledger/fabric-sdk-go
/
service.go
49 lines (39 loc) · 1.15 KB
/
service.go
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/*
Copyright SecureKey Technologies Inc. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package staticdiscovery
import (
"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/fab"
"github.com/pkg/errors"
)
// DiscoveryService implements a static discovery service
type DiscoveryService struct {
peers []fab.Peer
}
// NewService creates a static discovery service
func NewService(config fab.EndpointConfig, peerCreator peerCreator, channelID string) (*DiscoveryService, error) {
if channelID == "" {
return nil, errors.New("channel ID must be provided")
}
// Use configured channel peers
chPeers, ok := config.ChannelPeers(channelID)
if !ok {
return nil, errors.New("unable to read configuration for channel peers")
}
peers := []fab.Peer{}
for _, p := range chPeers {
newPeer, err := peerCreator.CreatePeerFromConfig(&p.NetworkPeer)
if err != nil || newPeer == nil {
return nil, errors.WithMessage(err, "NewPeer failed")
}
peers = append(peers, newPeer)
}
return &DiscoveryService{
peers: peers,
}, nil
}
// GetPeers is used to get peers
func (ds *DiscoveryService) GetPeers() ([]fab.Peer, error) {
return ds.peers, nil
}