api: Split api files

api/api_common.go

@@ -0,0 +1,52 @@
+package api
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/libp2p/go-libp2p-core/network"
+	"github.com/libp2p/go-libp2p-core/peer"
+
+	"github.com/filecoin-project/lotus/build"
+)
+
+type Common interface {
+	// Auth
+	AuthVerify(ctx context.Context, token string) ([]Permission, error)
+	AuthNew(ctx context.Context, perms []Permission) ([]byte, error)
+
+	// network
+
+	NetConnectedness(context.Context, peer.ID) (network.Connectedness, error)
+	NetPeers(context.Context) ([]peer.AddrInfo, error)
+	NetConnect(context.Context, peer.AddrInfo) error
+	NetAddrsListen(context.Context) (peer.AddrInfo, error)
+	NetDisconnect(context.Context, peer.ID) error
+
+	// ID returns peerID of libp2p node backing this API
+	ID(context.Context) (peer.ID, error)
+
+	// Version provides information about API provider
+	Version(context.Context) (Version, error)
+}
+
+// Version provides various build-time information
+type Version struct {
+	Version string
+
+	// APIVersion is a binary encoded semver version of the remote implementing
+	// this api
+	//
+	// See APIVersion in build/version.go
+	APIVersion uint32
+
+	// TODO: git commit / os / genesis cid?
+
+	// Seconds
+	BlockDelay uint64
+}
+
+func (v Version) String() string {
+	vM, vm, vp := build.VersionInts(v.APIVersion)
+	return fmt.Sprintf("%s+api%d.%d.%d", v.Version, vM, vm, vp)
+}