forked from berty/go-ipfs-log
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
5 changed files
with
815 additions
and
25 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| package example | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io/ioutil" | ||
|
|
||
| idp "berty.tech/go-ipfs-log/identityprovider" | ||
| log_io "berty.tech/go-ipfs-log/io" | ||
| keystore "berty.tech/go-ipfs-log/keystore" | ||
| "berty.tech/go-ipfs-log/log" | ||
| datastore "github.com/ipfs/go-datastore" | ||
| dssync "github.com/ipfs/go-datastore/sync" | ||
| config "github.com/ipfs/go-ipfs-config" | ||
| ipfs_core "github.com/ipfs/go-ipfs/core" | ||
| ipfs_libp2p "github.com/ipfs/go-ipfs/core/node/libp2p" | ||
| ipfs_repo "github.com/ipfs/go-ipfs/repo" | ||
| libp2p "github.com/libp2p/go-libp2p" | ||
| host "github.com/libp2p/go-libp2p-host" | ||
| peer "github.com/libp2p/go-libp2p-peer" | ||
| pstore "github.com/libp2p/go-libp2p-peerstore" | ||
| ) | ||
|
|
||
| func buildHostOverrideExample(ctx context.Context, id peer.ID, ps pstore.Peerstore, options ...libp2p.Option) (host.Host, error) { | ||
| return ipfs_libp2p.DefaultHostOption(ctx, id, ps, options...) | ||
| } | ||
|
|
||
| func newRepo() (ipfs_repo.Repo, error) { | ||
| // Generating config | ||
| cfg, err := config.Init(ioutil.Discard, 2048) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Listen on local interface only | ||
| cfg.Addresses.Swarm = []string{ | ||
| "/ip4/127.0.0.1/tcp/0", | ||
| } | ||
|
|
||
| // Do not bootstrap on ipfs node | ||
| cfg.Bootstrap = []string{} | ||
|
|
||
| return &ipfs_repo.Mock{ | ||
| D: dssync.MutexWrap(datastore.NewMapDatastore()), | ||
| C: *cfg, | ||
| }, nil | ||
| } | ||
|
|
||
| func buildNode(ctx context.Context) (*ipfs_core.IpfsNode, error) { | ||
| r, err := newRepo() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| cfg := &ipfs_core.BuildCfg{ | ||
| Online: true, | ||
| Repo: r, | ||
| Host: buildHostOverrideExample, | ||
| } | ||
|
|
||
| return ipfs_core.NewNode(ctx, cfg) | ||
| } | ||
|
|
||
| func ExampleLogAppend() { | ||
| ctx := context.Background() | ||
|
|
||
| // Build Ipfs Node A | ||
| nodeA, err := buildNode(ctx) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| // Build Ipfs Node B | ||
| nodeB, err := buildNode(ctx) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| nodeBInfo := pstore.PeerInfo{ | ||
| ID: nodeB.Identity, | ||
| Addrs: nodeB.PeerHost.Addrs(), | ||
| } | ||
|
|
||
| // Connecting NodeA with NodeB | ||
| if err := nodeA.PeerHost.Connect(ctx, nodeBInfo); err != nil { | ||
| panic(fmt.Errorf("connect error: %s", err)) | ||
| } | ||
|
|
||
| mdsA := datastore.NewMapDatastore() | ||
| serviceA := log_io.FromIpfsNode(nodeA, mdsA) | ||
|
|
||
| mdsB := datastore.NewMapDatastore() | ||
| serviceB := log_io.FromIpfsNode(nodeB, mdsB) | ||
|
|
||
| // Fill up datastore with identities | ||
| ds := dssync.MutexWrap(datastore.NewMapDatastore()) | ||
| ks, err := keystore.NewKeystore(ds) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| // Create identity A | ||
| identityA, err := idp.CreateIdentity(&idp.CreateIdentityOptions{ | ||
| Keystore: ks, | ||
| ID: "userA", | ||
| Type: "orbitdb", | ||
| }) | ||
|
|
||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| // Create identity B | ||
| identityB, err := idp.CreateIdentity(&idp.CreateIdentityOptions{ | ||
| Keystore: ks, | ||
| ID: "userB", | ||
| Type: "orbitdb", | ||
| }) | ||
|
|
||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| // creating log | ||
| logA, err := log.NewLog(serviceA, identityA, &log.NewLogOptions{ID: "A"}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| // nodeA Append data (hello world)" | ||
| _, err = logA.Append([]byte("hello world"), 1) | ||
| if err != nil { | ||
| panic(fmt.Errorf("append error: %s", err)) | ||
| } | ||
|
|
||
| h, err := logA.ToMultihash() | ||
| if err != nil { | ||
| panic(fmt.Errorf("ToMultihash error: %s", err)) | ||
| } | ||
|
|
||
| res, err := log.NewFromMultihash(serviceB, identityB, h, &log.NewLogOptions{}, &log.FetchOptions{}) | ||
| if err != nil { | ||
| panic(fmt.Errorf("NewFromMultihash error: %s", err)) | ||
| } | ||
|
|
||
| // nodeB lookup logA | ||
| fmt.Println(res.ToString(nil)) | ||
|
|
||
| // Output: hello world | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.