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discovery_dto_models.go
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/
discovery_dto_models.go
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package discovery
import (
"sync"
"github.com/s7techlab/hlf-sdk-go/api"
)
// implementation of api.ChaincodeDiscoverer interface
var _ api.ChaincodeDiscoverer = (*chaincodeDTO)(nil)
// chaincodeDTO - chaincode data storage
type chaincodeDTO struct {
lock sync.RWMutex
// key - MSPID, value host addresses
endorsers map[string][]string
orderers map[string][]string
peers map[string][]string
chaincodeName string
chaincodeVersion string
channelName string
}
func newChaincodeDTO(ccName, ccVer, chanName string) *chaincodeDTO {
return &chaincodeDTO{
lock: sync.RWMutex{},
chaincodeName: ccName,
chaincodeVersion: ccVer,
channelName: chanName,
endorsers: make(map[string][]string),
orderers: make(map[string][]string),
peers: make(map[string][]string),
}
}
func (d *chaincodeDTO) Endorsers() []*api.HostEndpoint {
d.lock.RLock()
defer d.lock.RUnlock()
return mapToArray(d.endorsers)
}
func (d *chaincodeDTO) Orderers() []*api.HostEndpoint {
d.lock.RLock()
defer d.lock.RUnlock()
return mapToArray(d.orderers)
}
func (d *chaincodeDTO) ChaincodeName() string {
return d.chaincodeName
}
func (d *chaincodeDTO) ChaincodeVersion() string {
return d.chaincodeVersion
}
func (d *chaincodeDTO) ChannelName() string {
return d.channelName
}
// helpers
func (d *chaincodeDTO) addEndpointToEndorsers(mspID, hostAddr string) {
d.lock.Lock()
defer d.lock.Unlock()
d.endorsers[mspID] = append(d.endorsers[mspID], hostAddr)
}
func (d *chaincodeDTO) addEndpointToOrderers(mspID, hostAddr string) {
d.lock.Lock()
defer d.lock.Unlock()
d.orderers[mspID] = append(d.orderers[mspID], hostAddr)
}
func (d *chaincodeDTO) addEndpointToPeers(mspID, hostAddr string) {
d.lock.Lock()
defer d.lock.Unlock()
d.peers[mspID] = append(d.peers[mspID], hostAddr)
}
func mapToArray(hosts map[string][]string) []*api.HostEndpoint {
res := make([]*api.HostEndpoint, 0)
for k := range hosts {
endpoints := hosts[k]
he := &api.HostEndpoint{
MspID: k,
HostAddresses: make([]*api.Endpoint, len(endpoints)),
}
for i := range endpoints {
he.HostAddresses[i] = &api.Endpoint{
Host: endpoints[i],
}
}
res = append(res, he)
}
return res
}
/* */
// implementation of api.ChaincodeDiscoverer interface
var _ api.ChannelDiscoverer = (*channelDTO)(nil)
// channel - info about channel orderers
type channelDTO struct {
lock sync.RWMutex
orderers map[string][]string
channelName string
}
func newChannelDTO(chanName string) *channelDTO {
return &channelDTO{
lock: sync.RWMutex{},
channelName: chanName,
orderers: make(map[string][]string),
}
}
func (d *channelDTO) Orderers() []*api.HostEndpoint {
d.lock.RLock()
defer d.lock.RUnlock()
return mapToArray(d.orderers)
}
func (d *channelDTO) ChannelName() string {
return d.channelName
}
func (d *channelDTO) addEndpointToOrderers(mspID, hostAddr string) {
d.lock.Lock()
defer d.lock.Unlock()
d.orderers[mspID] = append(d.orderers[mspID], hostAddr)
}
/* */
// implementation of api.LocalPeersDiscoverer interface
var _ api.LocalPeersDiscoverer = (*localPeersDTO)(nil)
type localPeersDTO struct {
lock sync.RWMutex
peers map[string][]string
}
func newLocalPeersDTO() *localPeersDTO {
return &localPeersDTO{
lock: sync.RWMutex{},
peers: make(map[string][]string),
}
}
func (d *localPeersDTO) Peers() []*api.HostEndpoint {
d.lock.RLock()
defer d.lock.RUnlock()
return mapToArray(d.peers)
}
func (d *localPeersDTO) addEndpointToPeers(mspID, hostAddr string) {
d.lock.Lock()
defer d.lock.Unlock()
d.peers[mspID] = append(d.peers[mspID], hostAddr)
}