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ipfs coreapi minimal pubsub
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package main | |
import ( | |
"context" | |
"log" | |
"time" | |
"github.com/ipfs/go-ipfs/core" | |
"github.com/ipfs/go-ipfs/core/coreapi" | |
"github.com/ipfs/go-ipfs/core/node" | |
) | |
// var BootstrapPeers []peer.AddrInfo | |
// func init() { | |
// peers, _ := config.DefaultBootstrapPeers() | |
// BootstrapPeers = append(BootstrapPeers, peers...) | |
// peers, _ = config.ParseBootstrapPeers([]string{ | |
// "/ip4/138.201.67.219/tcp/4001/p2p/QmUd6zHcbkbcs7SMxwLs48qZVX3vpcM8errYS7xEczwRMA", | |
// "/ip4/138.201.67.219/udp/4001/quic/p2p/QmUd6zHcbkbcs7SMxwLs48qZVX3vpcM8errYS7xEczwRMA", | |
// "/ip4/138.201.67.220/tcp/4001/p2p/QmNSYxZAiJHeLdkBg38roksAR9So7Y5eojks1yjEcUtZ7i", | |
// "/ip4/138.201.67.220/udp/4001/quic/p2p/QmNSYxZAiJHeLdkBg38roksAR9So7Y5eojks1yjEcUtZ7i", | |
// "/ip4/138.201.68.74/tcp/4001/p2p/QmdnXwLrC8p1ueiq2Qya8joNvk3TVVDAut7PrikmZwubtR", | |
// "/ip4/138.201.68.74/udp/4001/quic/p2p/QmdnXwLrC8p1ueiq2Qya8joNvk3TVVDAut7PrikmZwubtR", | |
// "/ip4/94.130.135.167/tcp/4001/p2p/QmUEMvxS2e7iDrereVYc5SWPauXPyNwxcy9BXZrC1QTcHE", | |
// "/ip4/94.130.135.167/udp/4001/quic/p2p/QmUEMvxS2e7iDrereVYc5SWPauXPyNwxcy9BXZrC1QTcHE", | |
// }) | |
// BootstrapPeers = append(BootstrapPeers, peers...) | |
// } | |
const Topic = "HOwPseprom18JWWk2Wk2mH4HOBWujAAD" | |
func main() { | |
log.SetFlags(log.LstdFlags | log.Lshortfile) | |
// plugins, err := loader.NewPluginLoader("plugins") | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer plugins.Close() | |
// err = plugins.Initialize() | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// err = plugins.Inject() | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// repoPath, err := ioutil.TempDir("", "ipfs-shell") | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer os.RemoveAll(repoPath) | |
// cfg, err := config.Init(log.Writer(), 2048) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// err = fsrepo.Init(repoPath, cfg) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// repo, err := fsrepo.Open(repoPath) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer repo.Close() | |
buildCfg := &node.BuildCfg{ | |
Online: true, | |
NilRepo: true, | |
ExtraOpts: map[string]bool{"pubsub": true}, | |
//Repo: repo, | |
} | |
ctx, cancel := context.WithCancel(context.Background()) | |
defer cancel() | |
node, err := core.NewNode(ctx, buildCfg) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
log.Println("Identity:", node.Identity) | |
cApi, err := coreapi.NewCoreAPI(node) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
// go func() { | |
// wg := sync.WaitGroup{} | |
// for _, bootstrapPeer := range BootstrapPeers { | |
// wg.Add(1) | |
// go func(bootstrapPeer peer.AddrInfo) { | |
// defer wg.Done() | |
// err := cApi.Swarm().Connect(ctx, bootstrapPeer) | |
// if err != nil { | |
// log.Println(err, bootstrapPeer.ID) | |
// } | |
// }(bootstrapPeer) | |
// } | |
// wg.Wait() | |
// }() | |
for { | |
err = cApi.PubSub().Publish(ctx, Topic, []byte("Hello World!")) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
<-time.After(2 * time.Second) | |
} | |
} |
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package main | |
import ( | |
"context" | |
"log" | |
"github.com/ipfs/go-ipfs/core" | |
"github.com/ipfs/go-ipfs/core/coreapi" | |
"github.com/ipfs/go-ipfs/core/node" | |
) | |
// var BootstrapPeers []peer.AddrInfo | |
// func init() { | |
// peers, _ := config.DefaultBootstrapPeers() | |
// BootstrapPeers = append(BootstrapPeers, peers...) | |
// peers, _ = config.ParseBootstrapPeers([]string{ | |
// "/ip4/138.201.67.219/tcp/4001/p2p/QmUd6zHcbkbcs7SMxwLs48qZVX3vpcM8errYS7xEczwRMA", | |
// "/ip4/138.201.67.219/udp/4001/quic/p2p/QmUd6zHcbkbcs7SMxwLs48qZVX3vpcM8errYS7xEczwRMA", | |
// "/ip4/138.201.67.220/tcp/4001/p2p/QmNSYxZAiJHeLdkBg38roksAR9So7Y5eojks1yjEcUtZ7i", | |
// "/ip4/138.201.67.220/udp/4001/quic/p2p/QmNSYxZAiJHeLdkBg38roksAR9So7Y5eojks1yjEcUtZ7i", | |
// "/ip4/138.201.68.74/tcp/4001/p2p/QmdnXwLrC8p1ueiq2Qya8joNvk3TVVDAut7PrikmZwubtR", | |
// "/ip4/138.201.68.74/udp/4001/quic/p2p/QmdnXwLrC8p1ueiq2Qya8joNvk3TVVDAut7PrikmZwubtR", | |
// "/ip4/94.130.135.167/tcp/4001/p2p/QmUEMvxS2e7iDrereVYc5SWPauXPyNwxcy9BXZrC1QTcHE", | |
// "/ip4/94.130.135.167/udp/4001/quic/p2p/QmUEMvxS2e7iDrereVYc5SWPauXPyNwxcy9BXZrC1QTcHE", | |
// }) | |
// BootstrapPeers = append(BootstrapPeers, peers...) | |
// } | |
const Topic = "HOwPseprom18JWWk2Wk2mH4HOBWujAAD" | |
func main() { | |
log.SetFlags(log.LstdFlags | log.Lshortfile) | |
// plugins, err := loader.NewPluginLoader("plugins") | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer plugins.Close() | |
// err = plugins.Initialize() | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// err = plugins.Inject() | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// repoPath, err := ioutil.TempDir("", "ipfs-shell") | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer os.RemoveAll(repoPath) | |
// cfg, err := config.Init(log.Writer(), 2048) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// err = fsrepo.Init(repoPath, cfg) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// repo, err := fsrepo.Open(repoPath) | |
// if err != nil { | |
// log.Println(err) | |
// return | |
// } | |
// defer repo.Close() | |
buildCfg := &node.BuildCfg{ | |
Online: true, | |
NilRepo: true, | |
ExtraOpts: map[string]bool{"pubsub": true}, | |
//Repo: repo, | |
} | |
ctx, cancel := context.WithCancel(context.Background()) | |
defer cancel() | |
node, err := core.NewNode(ctx, buildCfg) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
log.Println("Identity:", node.Identity) | |
cApi, err := coreapi.NewCoreAPI(node) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
// go func() { | |
// wg := sync.WaitGroup{} | |
// for _, bootstrapPeer := range BootstrapPeers { | |
// wg.Add(1) | |
// go func(bootstrapPeer peer.AddrInfo) { | |
// defer wg.Done() | |
// err := cApi.Swarm().Connect(ctx, bootstrapPeer) | |
// if err != nil { | |
// log.Println(err, bootstrapPeer.ID) | |
// } | |
// }(bootstrapPeer) | |
// } | |
// wg.Wait() | |
// }() | |
sub, err := cApi.PubSub().Subscribe(ctx, Topic) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
defer sub.Close() | |
for { | |
mess, err := sub.Next(ctx) | |
if err != nil { | |
log.Println(err) | |
return | |
} | |
log.Println("From:", mess.From()) | |
log.Println("Seq:", mess.Seq()) | |
log.Println("Topics:", mess.Topics()) | |
log.Println("Data:", string(mess.Data())) | |
} | |
} |
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