aboutsummaryrefslogtreecommitdiff
path: root/internal/db
diff options
context:
space:
mode:
Diffstat (limited to 'internal/db')
-rw-r--r--internal/db/client.go18
-rw-r--r--internal/db/trillian.go232
-rw-r--r--internal/db/trillian_test.go543
3 files changed, 793 insertions, 0 deletions
diff --git a/internal/db/client.go b/internal/db/client.go
new file mode 100644
index 0000000..ce3bb2b
--- /dev/null
+++ b/internal/db/client.go
@@ -0,0 +1,18 @@
+package db
+
+import (
+ "context"
+
+ "git.sigsum.org/sigsum-go/pkg/requests"
+ "git.sigsum.org/sigsum-go/pkg/types"
+)
+
+// Client is an interface that interacts with a log's database backend
+type Client interface {
+ AddLeaf(context.Context, *requests.Leaf, uint64) (bool, error)
+ AddSequencedLeaves(ctx context.Context, leaves types.Leaves, index int64) error
+ GetTreeHead(context.Context) (*types.TreeHead, error)
+ GetConsistencyProof(context.Context, *requests.ConsistencyProof) (*types.ConsistencyProof, error)
+ GetInclusionProof(context.Context, *requests.InclusionProof) (*types.InclusionProof, error)
+ GetLeaves(context.Context, *requests.Leaves) (*types.Leaves, error)
+}
diff --git a/internal/db/trillian.go b/internal/db/trillian.go
new file mode 100644
index 0000000..e8a9945
--- /dev/null
+++ b/internal/db/trillian.go
@@ -0,0 +1,232 @@
+package db
+
+import (
+ "context"
+ "fmt"
+ "time"
+
+ "git.sigsum.org/sigsum-go/pkg/log"
+ "git.sigsum.org/sigsum-go/pkg/merkle"
+ "git.sigsum.org/sigsum-go/pkg/requests"
+ "git.sigsum.org/sigsum-go/pkg/types"
+ "github.com/google/trillian"
+ trillianTypes "github.com/google/trillian/types"
+ "google.golang.org/grpc/codes"
+ "google.golang.org/grpc/status"
+)
+
+// TrillianClient implements the Client interface for Trillian's gRPC backend
+type TrillianClient struct {
+ // TreeID is a Merkle tree identifier that Trillian uses
+ TreeID int64
+
+ // GRPC is a Trillian gRPC client
+ GRPC trillian.TrillianLogClient
+}
+
+// AddLeaf adds a leaf to the tree and returns true if the leaf has
+// been sequenced into the tree of size treeSize.
+func (c *TrillianClient) AddLeaf(ctx context.Context, req *requests.Leaf, treeSize uint64) (bool, error) {
+ leaf := types.Leaf{
+ Statement: types.Statement{
+ ShardHint: req.ShardHint,
+ Checksum: *merkle.HashFn(req.Message[:]),
+ },
+ Signature: req.Signature,
+ KeyHash: *merkle.HashFn(req.PublicKey[:]),
+ }
+ serialized := leaf.ToBinary()
+
+ log.Debug("queueing leaf request: %x", merkle.HashLeafNode(serialized))
+ _, err := c.GRPC.QueueLeaf(ctx, &trillian.QueueLeafRequest{
+ LogId: c.TreeID,
+ Leaf: &trillian.LogLeaf{
+ LeafValue: serialized,
+ },
+ })
+ switch status.Code(err) {
+ case codes.OK:
+ case codes.AlreadyExists:
+ default:
+ log.Warning("gRPC error: %v", err)
+ return false, fmt.Errorf("back-end failure")
+ }
+ _, err = c.GetInclusionProof(ctx, &requests.InclusionProof{treeSize, *merkle.HashLeafNode(serialized)})
+ return err == nil, nil
+}
+
+// AddSequencedLeaves adds a set of already sequenced leaves to the tree.
+func (c *TrillianClient) AddSequencedLeaves(ctx context.Context, leaves types.Leaves, index int64) error {
+ trilLeaves := make([]*trillian.LogLeaf, len(leaves))
+ for i, leaf := range leaves {
+ trilLeaves[i] = &trillian.LogLeaf{
+ LeafValue: leaf.ToBinary(),
+ LeafIndex: index + int64(i),
+ }
+ }
+
+ req := trillian.AddSequencedLeavesRequest{
+ LogId: c.TreeID,
+ Leaves: trilLeaves,
+ }
+ log.Debug("adding sequenced leaves: count %d", len(trilLeaves))
+ var err error
+ for wait := 1; wait < 30; wait *= 2 {
+ var rsp *trillian.AddSequencedLeavesResponse
+ rsp, err = c.GRPC.AddSequencedLeaves(ctx, &req)
+ switch status.Code(err) {
+ case codes.ResourceExhausted:
+ log.Info("waiting %d seconds before retrying to add %d leaves, reason: %v", wait, len(trilLeaves), err)
+ time.Sleep(time.Second * time.Duration(wait))
+ continue
+ case codes.OK:
+ if rsp == nil {
+ return fmt.Errorf("GRPC.AddSequencedLeaves no response")
+ }
+ // FIXME: check rsp.Results.QueuedLogLeaf
+ return nil
+ default:
+ return fmt.Errorf("GRPC.AddSequencedLeaves error: %v", err)
+ }
+ }
+
+ return fmt.Errorf("giving up on adding %d leaves", len(trilLeaves))
+}
+
+func (c *TrillianClient) GetTreeHead(ctx context.Context) (*types.TreeHead, error) {
+ rsp, err := c.GRPC.GetLatestSignedLogRoot(ctx, &trillian.GetLatestSignedLogRootRequest{
+ LogId: c.TreeID,
+ })
+ if err != nil {
+ return nil, fmt.Errorf("backend failure: %v", err)
+ }
+ if rsp == nil {
+ return nil, fmt.Errorf("no response")
+ }
+ if rsp.SignedLogRoot == nil {
+ return nil, fmt.Errorf("no signed log root")
+ }
+ if rsp.SignedLogRoot.LogRoot == nil {
+ return nil, fmt.Errorf("no log root")
+ }
+ var r trillianTypes.LogRootV1
+ if err := r.UnmarshalBinary(rsp.SignedLogRoot.LogRoot); err != nil {
+ return nil, fmt.Errorf("no log root: unmarshal failed: %v", err)
+ }
+ if len(r.RootHash) != merkle.HashSize {
+ return nil, fmt.Errorf("unexpected hash length: %d", len(r.RootHash))
+ }
+ return treeHeadFromLogRoot(&r), nil
+}
+
+func (c *TrillianClient) GetConsistencyProof(ctx context.Context, req *requests.ConsistencyProof) (*types.ConsistencyProof, error) {
+ rsp, err := c.GRPC.GetConsistencyProof(ctx, &trillian.GetConsistencyProofRequest{
+ LogId: c.TreeID,
+ FirstTreeSize: int64(req.OldSize),
+ SecondTreeSize: int64(req.NewSize),
+ })
+ if err != nil {
+ return nil, fmt.Errorf("backend failure: %v", err)
+ }
+ if rsp == nil {
+ return nil, fmt.Errorf("no response")
+ }
+ if rsp.Proof == nil {
+ return nil, fmt.Errorf("no consistency proof")
+ }
+ if len(rsp.Proof.Hashes) == 0 {
+ return nil, fmt.Errorf("not a consistency proof: empty")
+ }
+ path, err := nodePathFromHashes(rsp.Proof.Hashes)
+ if err != nil {
+ return nil, fmt.Errorf("not a consistency proof: %v", err)
+ }
+ return &types.ConsistencyProof{
+ OldSize: req.OldSize,
+ NewSize: req.NewSize,
+ Path: path,
+ }, nil
+}
+
+func (c *TrillianClient) GetInclusionProof(ctx context.Context, req *requests.InclusionProof) (*types.InclusionProof, error) {
+ rsp, err := c.GRPC.GetInclusionProofByHash(ctx, &trillian.GetInclusionProofByHashRequest{
+ LogId: c.TreeID,
+ LeafHash: req.LeafHash[:],
+ TreeSize: int64(req.TreeSize),
+ OrderBySequence: true,
+ })
+ if err != nil {
+ return nil, fmt.Errorf("backend failure: %v", err)
+ }
+ if rsp == nil {
+ return nil, fmt.Errorf("no response")
+ }
+ if len(rsp.Proof) != 1 {
+ return nil, fmt.Errorf("bad proof count: %d", len(rsp.Proof))
+ }
+ proof := rsp.Proof[0]
+ if len(proof.Hashes) == 0 {
+ return nil, fmt.Errorf("not an inclusion proof: empty")
+ }
+ path, err := nodePathFromHashes(proof.Hashes)
+ if err != nil {
+ return nil, fmt.Errorf("not an inclusion proof: %v", err)
+ }
+ return &types.InclusionProof{
+ TreeSize: req.TreeSize,
+ LeafIndex: uint64(proof.LeafIndex),
+ Path: path,
+ }, nil
+}
+
+func (c *TrillianClient) GetLeaves(ctx context.Context, req *requests.Leaves) (*types.Leaves, error) {
+ rsp, err := c.GRPC.GetLeavesByRange(ctx, &trillian.GetLeavesByRangeRequest{
+ LogId: c.TreeID,
+ StartIndex: int64(req.StartSize),
+ Count: int64(req.EndSize-req.StartSize) + 1,
+ })
+ if err != nil {
+ return nil, fmt.Errorf("backend failure: %v", err)
+ }
+ if rsp == nil {
+ return nil, fmt.Errorf("no response")
+ }
+ if got, want := len(rsp.Leaves), int(req.EndSize-req.StartSize+1); got != want {
+ return nil, fmt.Errorf("unexpected number of leaves: %d", got)
+ }
+ var list types.Leaves = make([]types.Leaf, 0, len(rsp.Leaves))
+ for i, leaf := range rsp.Leaves {
+ leafIndex := int64(req.StartSize + uint64(i))
+ if leafIndex != leaf.LeafIndex {
+ return nil, fmt.Errorf("unexpected leaf(%d): got index %d", leafIndex, leaf.LeafIndex)
+ }
+
+ var l types.Leaf
+ if err := l.FromBinary(leaf.LeafValue); err != nil {
+ return nil, fmt.Errorf("unexpected leaf(%d): %v", leafIndex, err)
+ }
+ list = append(list[:], l)
+ }
+ return &list, nil
+}
+
+func treeHeadFromLogRoot(lr *trillianTypes.LogRootV1) *types.TreeHead {
+ th := types.TreeHead{
+ Timestamp: uint64(time.Now().Unix()),
+ TreeSize: uint64(lr.TreeSize),
+ }
+ copy(th.RootHash[:], lr.RootHash)
+ return &th
+}
+
+func nodePathFromHashes(hashes [][]byte) ([]merkle.Hash, error) {
+ path := make([]merkle.Hash, len(hashes))
+ for i := 0; i < len(hashes); i++ {
+ if len(hashes[i]) != merkle.HashSize {
+ return nil, fmt.Errorf("unexpected hash length: %v", len(hashes[i]))
+ }
+
+ copy(path[i][:], hashes[i])
+ }
+ return path, nil
+}
diff --git a/internal/db/trillian_test.go b/internal/db/trillian_test.go
new file mode 100644
index 0000000..9ae682e
--- /dev/null
+++ b/internal/db/trillian_test.go
@@ -0,0 +1,543 @@
+package db
+
+import (
+ "bytes"
+ "context"
+ "fmt"
+ "reflect"
+ "testing"
+ "time"
+
+ mocksTrillian "git.sigsum.org/log-go/internal/mocks/trillian"
+ "git.sigsum.org/sigsum-go/pkg/merkle"
+ "git.sigsum.org/sigsum-go/pkg/requests"
+ "git.sigsum.org/sigsum-go/pkg/types"
+ "github.com/golang/mock/gomock"
+ "github.com/google/trillian"
+ ttypes "github.com/google/trillian/types"
+ //"google.golang.org/grpc/codes"
+ //"google.golang.org/grpc/status"
+)
+
+// TODO: Add TestAddSequencedLeaves
+// TODO: Update TestAddLeaf
+//func TestAddLeaf(t *testing.T) {
+// req := &requests.Leaf{
+// ShardHint: 0,
+// Message: merkle.Hash{},
+// Signature: types.Signature{},
+// PublicKey: types.PublicKey{},
+// DomainHint: "example.com",
+// }
+// for _, table := range []struct {
+// description string
+// req *requests.Leaf
+// rsp *trillian.QueueLeafResponse
+// err error
+// wantErr bool
+// }{
+// {
+// description: "invalid: backend failure",
+// req: req,
+// err: fmt.Errorf("something went wrong"),
+// wantErr: true,
+// },
+// {
+// description: "invalid: no response",
+// req: req,
+// wantErr: true,
+// },
+// {
+// description: "invalid: no queued leaf",
+// req: req,
+// rsp: &trillian.QueueLeafResponse{},
+// wantErr: true,
+// },
+// {
+// description: "invalid: leaf is already queued or included",
+// req: req,
+// rsp: &trillian.QueueLeafResponse{
+// QueuedLeaf: &trillian.QueuedLogLeaf{
+// Leaf: &trillian.LogLeaf{
+// LeafValue: []byte{0}, // does not matter for test
+// },
+// Status: status.New(codes.AlreadyExists, "duplicate").Proto(),
+// },
+// },
+// wantErr: true,
+// },
+// {
+// description: "valid",
+// req: req,
+// rsp: &trillian.QueueLeafResponse{
+// QueuedLeaf: &trillian.QueuedLogLeaf{
+// Leaf: &trillian.LogLeaf{
+// LeafValue: []byte{0}, // does not matter for test
+// },
+// Status: status.New(codes.OK, "ok").Proto(),
+// },
+// },
+// },
+// } {
+// // Run deferred functions at the end of each iteration
+// func() {
+// ctrl := gomock.NewController(t)
+// defer ctrl.Finish()
+// grpc := mocksTrillian.NewMockTrillianLogClient(ctrl)
+// grpc.EXPECT().QueueLeaf(gomock.Any(), gomock.Any()).Return(table.rsp, table.err)
+// client := TrillianClient{GRPC: grpc}
+//
+// _, err := client.AddLeaf(context.Background(), table.req, 0)
+// if got, want := err != nil, table.wantErr; got != want {
+// t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+// }
+// }()
+// }
+//}
+
+func TestGetTreeHead(t *testing.T) {
+ // valid root
+ root := &ttypes.LogRootV1{
+ TreeSize: 0,
+ RootHash: make([]byte, merkle.HashSize),
+ TimestampNanos: 1622585623133599429,
+ }
+ buf, err := root.MarshalBinary()
+ if err != nil {
+ t.Fatalf("must marshal log root: %v", err)
+ }
+ // invalid root
+ root.RootHash = make([]byte, merkle.HashSize+1)
+ bufBadHash, err := root.MarshalBinary()
+ if err != nil {
+ t.Fatalf("must marshal log root: %v", err)
+ }
+
+ for _, table := range []struct {
+ description string
+ rsp *trillian.GetLatestSignedLogRootResponse
+ err error
+ wantErr bool
+ wantTh *types.TreeHead
+ }{
+ {
+ description: "invalid: backend failure",
+ err: fmt.Errorf("something went wrong"),
+ wantErr: true,
+ },
+ {
+ description: "invalid: no response",
+ wantErr: true,
+ },
+ {
+ description: "invalid: no signed log root",
+ rsp: &trillian.GetLatestSignedLogRootResponse{},
+ wantErr: true,
+ },
+ {
+ description: "invalid: no log root",
+ rsp: &trillian.GetLatestSignedLogRootResponse{
+ SignedLogRoot: &trillian.SignedLogRoot{},
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: no log root: unmarshal failed",
+ rsp: &trillian.GetLatestSignedLogRootResponse{
+ SignedLogRoot: &trillian.SignedLogRoot{
+ LogRoot: buf[1:],
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: unexpected hash length",
+ rsp: &trillian.GetLatestSignedLogRootResponse{
+ SignedLogRoot: &trillian.SignedLogRoot{
+ LogRoot: bufBadHash,
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "valid",
+ rsp: &trillian.GetLatestSignedLogRootResponse{
+ SignedLogRoot: &trillian.SignedLogRoot{
+ LogRoot: buf,
+ },
+ },
+ wantTh: &types.TreeHead{
+ Timestamp: 1622585623,
+ TreeSize: 0,
+ RootHash: merkle.Hash{},
+ },
+ },
+ } {
+ // Run deferred functions at the end of each iteration
+ func() {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+ grpc := mocksTrillian.NewMockTrillianLogClient(ctrl)
+ grpc.EXPECT().GetLatestSignedLogRoot(gomock.Any(), gomock.Any()).Return(table.rsp, table.err)
+ client := TrillianClient{GRPC: grpc}
+
+ th, err := client.GetTreeHead(context.Background())
+ if got, want := err != nil, table.wantErr; got != want {
+ t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+ }
+ if err != nil {
+ return
+ }
+
+ // we would need a clock that can be mocked to make a nicer test
+ now := uint64(time.Now().Unix())
+ if got, wantLow, wantHigh := th.Timestamp, now-5, now+5; got < wantLow || got > wantHigh {
+ t.Errorf("got tree head with timestamp %d but wanted between [%d, %d] in test %q",
+ got, wantLow, wantHigh, table.description)
+ }
+ if got, want := th.TreeSize, table.wantTh.TreeSize; got != want {
+ t.Errorf("got tree head with tree size %d but wanted %d in test %q", got, want, table.description)
+ }
+ if got, want := th.RootHash[:], table.wantTh.RootHash[:]; !bytes.Equal(got, want) {
+ t.Errorf("got root hash %x but wanted %x in test %q", got, want, table.description)
+ }
+ }()
+ }
+}
+
+func TestGetConsistencyProof(t *testing.T) {
+ req := &requests.ConsistencyProof{
+ OldSize: 1,
+ NewSize: 3,
+ }
+ for _, table := range []struct {
+ description string
+ req *requests.ConsistencyProof
+ rsp *trillian.GetConsistencyProofResponse
+ err error
+ wantErr bool
+ wantProof *types.ConsistencyProof
+ }{
+ {
+ description: "invalid: backend failure",
+ req: req,
+ err: fmt.Errorf("something went wrong"),
+ wantErr: true,
+ },
+ {
+ description: "invalid: no response",
+ req: req,
+ wantErr: true,
+ },
+ {
+ description: "invalid: no consistency proof",
+ req: req,
+ rsp: &trillian.GetConsistencyProofResponse{},
+ wantErr: true,
+ },
+ {
+ description: "invalid: not a consistency proof (1/2)",
+ req: req,
+ rsp: &trillian.GetConsistencyProofResponse{
+ Proof: &trillian.Proof{
+ Hashes: [][]byte{},
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: not a consistency proof (2/2)",
+ req: req,
+ rsp: &trillian.GetConsistencyProofResponse{
+ Proof: &trillian.Proof{
+ Hashes: [][]byte{
+ make([]byte, merkle.HashSize),
+ make([]byte, merkle.HashSize+1),
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "valid",
+ req: req,
+ rsp: &trillian.GetConsistencyProofResponse{
+ Proof: &trillian.Proof{
+ Hashes: [][]byte{
+ make([]byte, merkle.HashSize),
+ make([]byte, merkle.HashSize),
+ },
+ },
+ },
+ wantProof: &types.ConsistencyProof{
+ OldSize: 1,
+ NewSize: 3,
+ Path: []merkle.Hash{
+ merkle.Hash{},
+ merkle.Hash{},
+ },
+ },
+ },
+ } {
+ // Run deferred functions at the end of each iteration
+ func() {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+ grpc := mocksTrillian.NewMockTrillianLogClient(ctrl)
+ grpc.EXPECT().GetConsistencyProof(gomock.Any(), gomock.Any()).Return(table.rsp, table.err)
+ client := TrillianClient{GRPC: grpc}
+
+ proof, err := client.GetConsistencyProof(context.Background(), table.req)
+ if got, want := err != nil, table.wantErr; got != want {
+ t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+ }
+ if err != nil {
+ return
+ }
+ if got, want := proof, table.wantProof; !reflect.DeepEqual(got, want) {
+ t.Errorf("got proof\n\t%v\nbut wanted\n\t%v\nin test %q", got, want, table.description)
+ }
+ }()
+ }
+}
+
+func TestGetInclusionProof(t *testing.T) {
+ req := &requests.InclusionProof{
+ TreeSize: 4,
+ LeafHash: merkle.Hash{},
+ }
+ for _, table := range []struct {
+ description string
+ req *requests.InclusionProof
+ rsp *trillian.GetInclusionProofByHashResponse
+ err error
+ wantErr bool
+ wantProof *types.InclusionProof
+ }{
+ {
+ description: "invalid: backend failure",
+ req: req,
+ err: fmt.Errorf("something went wrong"),
+ wantErr: true,
+ },
+ {
+ description: "invalid: no response",
+ req: req,
+ wantErr: true,
+ },
+ {
+ description: "invalid: bad proof count",
+ req: req,
+ rsp: &trillian.GetInclusionProofByHashResponse{
+ Proof: []*trillian.Proof{
+ &trillian.Proof{},
+ &trillian.Proof{},
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: not an inclusion proof (1/2)",
+ req: req,
+ rsp: &trillian.GetInclusionProofByHashResponse{
+ Proof: []*trillian.Proof{
+ &trillian.Proof{
+ LeafIndex: 1,
+ Hashes: [][]byte{},
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: not an inclusion proof (2/2)",
+ req: req,
+ rsp: &trillian.GetInclusionProofByHashResponse{
+ Proof: []*trillian.Proof{
+ &trillian.Proof{
+ LeafIndex: 1,
+ Hashes: [][]byte{
+ make([]byte, merkle.HashSize),
+ make([]byte, merkle.HashSize+1),
+ },
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "valid",
+ req: req,
+ rsp: &trillian.GetInclusionProofByHashResponse{
+ Proof: []*trillian.Proof{
+ &trillian.Proof{
+ LeafIndex: 1,
+ Hashes: [][]byte{
+ make([]byte, merkle.HashSize),
+ make([]byte, merkle.HashSize),
+ },
+ },
+ },
+ },
+ wantProof: &types.InclusionProof{
+ TreeSize: 4,
+ LeafIndex: 1,
+ Path: []merkle.Hash{
+ merkle.Hash{},
+ merkle.Hash{},
+ },
+ },
+ },
+ } {
+ // Run deferred functions at the end of each iteration
+ func() {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+ grpc := mocksTrillian.NewMockTrillianLogClient(ctrl)
+ grpc.EXPECT().GetInclusionProofByHash(gomock.Any(), gomock.Any()).Return(table.rsp, table.err)
+ client := TrillianClient{GRPC: grpc}
+
+ proof, err := client.GetInclusionProof(context.Background(), table.req)
+ if got, want := err != nil, table.wantErr; got != want {
+ t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+ }
+ if err != nil {
+ return
+ }
+ if got, want := proof, table.wantProof; !reflect.DeepEqual(got, want) {
+ t.Errorf("got proof\n\t%v\nbut wanted\n\t%v\nin test %q", got, want, table.description)
+ }
+ }()
+ }
+}
+
+func TestGetLeaves(t *testing.T) {
+ req := &requests.Leaves{
+ StartSize: 1,
+ EndSize: 2,
+ }
+ firstLeaf := &types.Leaf{
+ Statement: types.Statement{
+ ShardHint: 0,
+ Checksum: merkle.Hash{},
+ },
+ Signature: types.Signature{},
+ KeyHash: merkle.Hash{},
+ }
+ secondLeaf := &types.Leaf{
+ Statement: types.Statement{
+ ShardHint: 0,
+ Checksum: merkle.Hash{},
+ },
+ Signature: types.Signature{},
+ KeyHash: merkle.Hash{},
+ }
+
+ for _, table := range []struct {
+ description string
+ req *requests.Leaves
+ rsp *trillian.GetLeavesByRangeResponse
+ err error
+ wantErr bool
+ wantLeaves *types.Leaves
+ }{
+ {
+ description: "invalid: backend failure",
+ req: req,
+ err: fmt.Errorf("something went wrong"),
+ wantErr: true,
+ },
+ {
+ description: "invalid: no response",
+ req: req,
+ wantErr: true,
+ },
+ {
+ description: "invalid: unexpected number of leaves",
+ req: req,
+ rsp: &trillian.GetLeavesByRangeResponse{
+ Leaves: []*trillian.LogLeaf{
+ &trillian.LogLeaf{
+ LeafValue: firstLeaf.ToBinary(),
+ LeafIndex: 1,
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: unexpected leaf (1/2)",
+ req: req,
+ rsp: &trillian.GetLeavesByRangeResponse{
+ Leaves: []*trillian.LogLeaf{
+ &trillian.LogLeaf{
+ LeafValue: firstLeaf.ToBinary(),
+ LeafIndex: 1,
+ },
+ &trillian.LogLeaf{
+ LeafValue: secondLeaf.ToBinary(),
+ LeafIndex: 3,
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "invalid: unexpected leaf (2/2)",
+ req: req,
+ rsp: &trillian.GetLeavesByRangeResponse{
+ Leaves: []*trillian.LogLeaf{
+ &trillian.LogLeaf{
+ LeafValue: firstLeaf.ToBinary(),
+ LeafIndex: 1,
+ },
+ &trillian.LogLeaf{
+ LeafValue: secondLeaf.ToBinary()[1:],
+ LeafIndex: 2,
+ },
+ },
+ },
+ wantErr: true,
+ },
+ {
+ description: "valid",
+ req: req,
+ rsp: &trillian.GetLeavesByRangeResponse{
+ Leaves: []*trillian.LogLeaf{
+ &trillian.LogLeaf{
+ LeafValue: firstLeaf.ToBinary(),
+ LeafIndex: 1,
+ },
+ &trillian.LogLeaf{
+ LeafValue: secondLeaf.ToBinary(),
+ LeafIndex: 2,
+ },
+ },
+ },
+ wantLeaves: &types.Leaves{
+ *firstLeaf,
+ *secondLeaf,
+ },
+ },
+ } {
+ // Run deferred functions at the end of each iteration
+ func() {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+ grpc := mocksTrillian.NewMockTrillianLogClient(ctrl)
+ grpc.EXPECT().GetLeavesByRange(gomock.Any(), gomock.Any()).Return(table.rsp, table.err)
+ client := TrillianClient{GRPC: grpc}
+
+ leaves, err := client.GetLeaves(context.Background(), table.req)
+ if got, want := err != nil, table.wantErr; got != want {
+ t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+ }
+ if err != nil {
+ return
+ }
+ if got, want := leaves, table.wantLeaves; !reflect.DeepEqual(got, want) {
+ t.Errorf("got leaves\n\t%v\nbut wanted\n\t%v\nin test %q", got, want, table.description)
+ }
+ }()
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 20:23:59 +0000