Implement Key API

key.go

@@ -2,6 +2,7 @@ package httpapi
 
 import (
 	"context"
+	"errors"
 
 	"github.com/ipfs/go-ipfs/core/coreapi/interface"
 	caopts "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
@@ -49,18 +50,47 @@ func (api *KeyAPI) Generate(ctx context.Context, name string, opts ...caopts.Key
 	if err != nil {
 		return nil, err
 	}
-	if err := out.valid(); err != nil {
-		return nil, err
-	}
-	return &out, nil
+	return &out, out.valid()
 }
 
 func (api *KeyAPI) Rename(ctx context.Context, oldName string, newName string, opts ...caopts.KeyRenameOption) (iface.Key, bool, error) {
-	panic("implement me")
+	options, err := caopts.KeyRenameOptions(opts...)
+	if err != nil {
+		return nil, false, err
+	}
+
+	var out struct{
+		Was string
+		Now string
+		Id string
+		Overwrite bool
+	}
+	err = api.core().request("key/rename", oldName, newName).
+		Option("force", options.Force).
+		Exec(ctx, &out)
+	if err != nil {
+		return nil, false, err
+	}
+
+	id := &keyOutput{JName: out.Now, Id: out.Id}
+	return id, out.Overwrite, id.valid()
 }
 
 func (api *KeyAPI) List(ctx context.Context) ([]iface.Key, error) {
-	panic("implement me")
+	var out struct{ Keys []*keyOutput }
+	if err := api.core().request("key/list").Exec(ctx, &out); err != nil {
+		return nil, err
+	}
+
+	res := make([]iface.Key, len(out.Keys))
+	for i, k := range out.Keys {
+		if err := k.valid(); err != nil {
+			return nil, err
+		}
+		res[i] = k
+	}
+
+	return res, nil
 }
 
 func (api *KeyAPI) Self(ctx context.Context) (iface.Key, error) {
@@ -70,14 +100,19 @@ func (api *KeyAPI) Self(ctx context.Context) (iface.Key, error) {
 	}
 
 	out := keyOutput{JName: "self", Id: id.ID}
-	if err := out.valid(); err != nil {
-		return nil, err
-	}
-	return &out, nil
+	return &out, out.valid()
 }
 
 func (api *KeyAPI) Remove(ctx context.Context, name string) (iface.Key, error) {
-	panic("implement me")
+	var out struct{ Keys []keyOutput }
+	if err := api.core().request("key/rm", name).Exec(ctx, &out); err != nil {
+		return nil, err
+	}
+	if len(out.Keys) != 1 {
+		return nil, errors.New("got unexpected number of keys back")
+	}
+
+	return &out.Keys[0], out.Keys[0].valid()
 }
 
 func (api *KeyAPI) core() *HttpApi {