transitioned ipfs2 -> ipfs

core/commands/resolve.go

@@ -0,0 +1,79 @@
+package commands
+
+import (
+	"errors"
+
+	cmds "github.com/jbenet/go-ipfs/commands"
+)
+
+var resolveCmd = &cmds.Command{
+	Helptext: cmds.HelpText{
+		Tagline: "Gets the value currently published at an IPNS name",
+		ShortDescription: `
+IPNS is a PKI namespace, where names are the hashes of public keys, and
+the private key enables publishing new (signed) values. In resolve, the
+default value of <name> is your own identity public key.
+`,
+		LongDescription: `
+IPNS is a PKI namespace, where names are the hashes of public keys, and
+the private key enables publishing new (signed) values. In resolve, the
+default value of <name> is your own identity public key.
+
+
+Examples:
+
+Resolve the value of your identity:
+
+  > ipfs name resolve
+  QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
+
+Resolve te value of another name:
+
+  > ipfs name resolve QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n
+  QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
+
+`,
+	},
+
+	Arguments: []cmds.Argument{
+		cmds.StringArg("name", false, false, "The IPNS name to resolve. Defaults to your node's peerID."),
+	},
+	Run: func(req cmds.Request) (interface{}, error) {
+
+		n, err := req.Context().GetNode()
+		if err != nil {
+			return nil, err
+		}
+
+		var name string
+
+		if n.Network == nil {
+			return nil, errNotOnline
+		}
+
+		if len(req.Arguments()) == 0 {
+			if n.Identity == nil {
+				return nil, errors.New("Identity not loaded!")
+			}
+			name = n.Identity.ID().String()
+
+		} else {
+			name = req.Arguments()[0]
+		}
+
+		output, err := n.Namesys.Resolve(name)
+		if err != nil {
+			return nil, err
+		}
+
+		// TODO: better errors (in the case of not finding the name, we get "failed to find any peer in table")
+
+		return output, nil
+	},
+	Marshalers: cmds.MarshalerMap{
+		cmds.Text: func(res cmds.Response) ([]byte, error) {
+			output := res.Output().(string)
+			return []byte(output), nil
+		},
+	},
+}