Bump interface-go-ipfs-core version (#117)

* fix issues #26
Implement an IsPinned function
* fix issues #113
Implement interface v0.3.0
* ci: update to use go-ipfs v0.6.0
* ci: bump go version

Co-authored-by: godcong <jumbycc@163.com>
Co-authored-by: Adin Schmahmann <adin.schmahmann@gmail.com>

.travis.yml

@@ -4,7 +4,7 @@ os:
 language: go
 
 go:
-  - 1.13.x
+  - 1.14.x
 
 env:
   global:
@@ -16,7 +16,7 @@ env:
 
 # disable travis install
 install:
-  - (cd /tmp && go get github.com/ipfs/go-ipfs/cmd/ipfs@v0.5.0-rc2)
+  - (cd /tmp && go get github.com/ipfs/go-ipfs/cmd/ipfs@v0.6.0)
 
 script:
   - bash <(curl -s https://github.com/ipfs/ci-helpers/master/travis-ci/run-standard-tests.sh)

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/ipfs/go-merkledag v0.3.1
 	github.com/ipfs/go-path v0.0.7
 	github.com/ipfs/go-unixfs v0.2.4
-	github.com/ipfs/interface-go-ipfs-core v0.2.6
+	github.com/ipfs/interface-go-ipfs-core v0.3.0
 	github.com/ipfs/iptb v1.4.0
 	github.com/ipfs/iptb-plugins v0.2.2
 	github.com/libp2p/go-libp2p-core v0.5.1

go.sum

@@ -44,6 +44,7 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgraph-io/badger v1.5.5-0.20190226225317-8115aed38f8f/go.mod h1:VZxzAIRPHRVNRKRo6AXrX9BJegn6il06VMTZVJYCIjQ=
+github.com/dgraph-io/badger v1.6.0-rc1 h1:JphPpoBZJ3WHha133BGYlQqltSGIhV+VsEID0++nN9A=
 github.com/dgraph-io/badger v1.6.0-rc1/go.mod h1:zwt7syl517jmP8s94KqSxTlM6IMsdhYy6psNgSztDR4=
 github.com/dgryski/go-farm v0.0.0-20190104051053-3adb47b1fb0f/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
@@ -201,8 +202,8 @@ github.com/ipfs/go-unixfs v0.2.4 h1:6NwppOXefWIyysZ4LR/qUBPvXd5//8J3jiMdvpbw6Lo=
 github.com/ipfs/go-unixfs v0.2.4/go.mod h1:SUdisfUjNoSDzzhGVxvCL9QO/nKdwXdr+gbMUdqcbYw=
 github.com/ipfs/go-verifcid v0.0.1 h1:m2HI7zIuR5TFyQ1b79Da5N9dnnCP1vcu2QqawmWlK2E=
 github.com/ipfs/go-verifcid v0.0.1/go.mod h1:5Hrva5KBeIog4A+UpqlaIU+DEstipcJYQQZc0g37pY0=
-github.com/ipfs/interface-go-ipfs-core v0.2.6 h1:4eeGPJUDWblEurSzpAtL2znDG1xqAoX2aNNIoOFwyuc=
-github.com/ipfs/interface-go-ipfs-core v0.2.6/go.mod h1:Tihp8zxGpUeE3Tokr94L6zWZZdkRQvG5TL6i9MuNE+s=
+github.com/ipfs/interface-go-ipfs-core v0.3.0 h1:oZdLLfh256gPGcYPURjivj/lv296GIcr8mUqZUnXOEI=
+github.com/ipfs/interface-go-ipfs-core v0.3.0/go.mod h1:Tihp8zxGpUeE3Tokr94L6zWZZdkRQvG5TL6i9MuNE+s=
 github.com/ipfs/iptb v1.4.0 h1:YFYTrCkLMRwk/35IMyC6+yjoQSHTEcNcefBStLJzgvo=
 github.com/ipfs/iptb v1.4.0/go.mod h1:1rzHpCYtNp87/+hTxG5TfCVn/yMY3dKnLn8tBiMfdmg=
 github.com/ipfs/iptb-plugins v0.2.2 h1:HleRKMeex/jmQrmNG36v51M3eZO5j9BhFplBPGs0qGQ=

pin.go

@@ -3,9 +3,10 @@ package httpapi
 import (
 	"context"
 	"encoding/json"
+	"strings"
 
 	"github.com/ipfs/go-cid"
-	"github.com/ipfs/interface-go-ipfs-core"
+	iface "github.com/ipfs/interface-go-ipfs-core"
 	caopts "github.com/ipfs/interface-go-ipfs-core/options"
 	"github.com/ipfs/interface-go-ipfs-core/path"
 	"github.com/pkg/errors"
@@ -24,6 +25,11 @@ type pinRefKeyList struct {
 type pin struct {
 	path path.Resolved
 	typ  string
+	err  error
+}
+
+func (p *pin) Err() error {
+	return p.err
 }
 
 func (p *pin) Path() path.Resolved {
@@ -44,7 +50,7 @@ func (api *PinAPI) Add(ctx context.Context, p path.Path, opts ...caopts.PinAddOp
 		Option("recursive", options.Recursive).Exec(ctx, nil)
 }
 
-func (api *PinAPI) Ls(ctx context.Context, opts ...caopts.PinLsOption) ([]iface.Pin, error) {
+func (api *PinAPI) Ls(ctx context.Context, opts ...caopts.PinLsOption) (<-chan iface.Pin, error) {
 	options, err := caopts.PinLsOptions(opts...)
 	if err != nil {
 		return nil, err
@@ -57,16 +63,46 @@ func (api *PinAPI) Ls(ctx context.Context, opts ...caopts.PinLsOption) ([]iface.
 		return nil, err
 	}
 
-	pins := make([]iface.Pin, 0, len(out.Keys))
-	for hash, p := range out.Keys {
-		c, err := cid.Parse(hash)
-		if err != nil {
-			return nil, err
+	pins := make(chan iface.Pin)
+	go func(ch chan<- iface.Pin) {
+		defer close(ch)
+		for hash, p := range out.Keys {
+			c, e := cid.Parse(hash)
+			if e != nil {
+				ch <- &pin{typ: p.Type, err: e}
+				return
+			}
+			ch <- &pin{typ: p.Type, path: path.IpldPath(c), err: e}
 		}
-		pins = append(pins, &pin{typ: p.Type, path: path.IpldPath(c)})
+	}(pins)
+	return pins, nil
+}
+
+// IsPinned returns whether or not the given cid is pinned
+// and an explanation of why its pinned
+func (api *PinAPI) IsPinned(ctx context.Context, p path.Path, opts ...caopts.PinIsPinnedOption) (string, bool, error) {
+	options, err := caopts.PinIsPinnedOptions(opts...)
+	if err != nil {
+		return "", false, err
+	}
+	var out pinRefKeyList
+	err = api.core().Request("pin/ls").
+		Option("type", options.WithType).
+		Option("arg", p.String()).
+		Exec(ctx, &out)
+	if err != nil {
+		// TODO: This error-type discrimination based on sub-string matching is brittle.
+		// It is addressed by this open issue: https://github.com/ipfs/go-ipfs/issues/7563
+		if strings.Index(err.Error(), "is not pinned") != -1 {
+			return "", false, nil
+		}
+		return "", false, err
 	}
 
-	return pins, nil
+	for _, obj := range out.Keys {
+		return obj.Type, true, nil
+	}
+	return "", false, errors.New("http api returned no error and no results")
 }
 
 func (api *PinAPI) Rm(ctx context.Context, p path.Path, opts ...caopts.PinRmOption) error {