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Diffstat (limited to 'tvix/store/protos')
-rw-r--r--tvix/store/protos/default.nix34
-rw-r--r--tvix/store/protos/export.go273
-rw-r--r--tvix/store/protos/export_test.go134
-rw-r--r--tvix/store/protos/go.mod26
-rw-r--r--tvix/store/protos/go.sum105
-rw-r--r--tvix/store/protos/pathinfo.go99
-rw-r--r--tvix/store/protos/pathinfo.pb.go460
-rw-r--r--tvix/store/protos/pathinfo_test.go149
-rw-r--r--tvix/store/protos/pick_next_node_test.go51
-rw-r--r--tvix/store/protos/rpc_pathinfo.pb.go348
-rw-r--r--tvix/store/protos/rpc_pathinfo_grpc.pb.go308
-rw-r--r--tvix/store/protos/testdata/emptydirectory.narbin96 -> 0 bytes
-rw-r--r--tvix/store/protos/testdata/onebyteregular.narbin120 -> 0 bytes
-rw-r--r--tvix/store/protos/testdata/symlink.narbin136 -> 0 bytes
14 files changed, 34 insertions, 1953 deletions
diff --git a/tvix/store/protos/default.nix b/tvix/store/protos/default.nix
new file mode 100644
index 000000000000..5f56eda79b3d
--- /dev/null
+++ b/tvix/store/protos/default.nix
@@ -0,0 +1,34 @@
+{ depot, pkgs, ... }: {
+  # Produces the golang bindings.
+  go-bindings = pkgs.stdenv.mkDerivation {
+    name = "go-bindings";
+
+    src = depot.nix.sparseTree {
+      name = "castore-protos";
+      root = depot.path.origSrc;
+      paths = [
+        # We need to include castore.proto (only), as it's referred.
+        ../../castore/protos/castore.proto
+        ./pathinfo.proto
+        ./rpc_pathinfo.proto
+        ../../../buf.yaml
+        ../../../buf.gen.yaml
+      ];
+    };
+
+    nativeBuildInputs = [
+      pkgs.buf
+      pkgs.protoc-gen-go
+      pkgs.protoc-gen-go-grpc
+    ];
+
+    buildPhase = ''
+      export HOME=$TMPDIR
+      buf lint
+      buf generate
+
+      mkdir -p $out
+      cp tvix/store/protos/*.pb.go $out/
+    '';
+  };
+}
diff --git a/tvix/store/protos/export.go b/tvix/store/protos/export.go
deleted file mode 100644
index 889311efe70b..000000000000
--- a/tvix/store/protos/export.go
+++ /dev/null
@@ -1,273 +0,0 @@
-package storev1
-
-import (
-	"fmt"
-	"io"
-	"path"
-
-	castorev1pb "code.tvl.fyi/tvix/castore/protos"
-	"github.com/nix-community/go-nix/pkg/nar"
-)
-
-type DirectoryLookupFn func([]byte) (*castorev1pb.Directory, error)
-type BlobLookupFn func([]byte) (io.ReadCloser, error)
-
-// Export will traverse a given root node, and write the contents in NAR format
-// to the passed Writer.
-// It uses directoryLookupFn and blobLookupFn to resolve references.
-func Export(
-	w io.Writer,
-	rootNode *castorev1pb.Node,
-	directoryLookupFn DirectoryLookupFn,
-	blobLookupFn BlobLookupFn,
-) error {
-	// initialize a NAR writer
-	narWriter, err := nar.NewWriter(w)
-	if err != nil {
-		return fmt.Errorf("unable to initialize nar writer: %w", err)
-	}
-	defer narWriter.Close()
-
-	// populate rootHeader
-	rootHeader := &nar.Header{
-		Path: "/",
-	}
-
-	// populate a stack
-	// we will push paths and directories to it when entering a directory,
-	// and emit individual elements to the NAR writer, draining the Directory object.
-	// once it's empty, we can pop it off the stack.
-	var stackPaths = []string{}
-	var stackDirectories = []*castorev1pb.Directory{}
-
-	// peek at the pathInfo root and assemble the root node and write to writer
-	// in the case of a regular file, we retrieve and write the contents, close and exit
-	// in the case of a symlink, we write the symlink, close and exit
-	if fileNode := rootNode.GetFile(); fileNode != nil {
-		rootHeader.Type = nar.TypeRegular
-		rootHeader.Size = int64(fileNode.GetSize())
-		rootHeader.Executable = fileNode.GetExecutable()
-		err := narWriter.WriteHeader(rootHeader)
-		if err != nil {
-			return fmt.Errorf("unable to write root header: %w", err)
-		}
-
-		// if it's a regular file, retrieve and write the contents
-		blobReader, err := blobLookupFn(fileNode.GetDigest())
-		if err != nil {
-			return fmt.Errorf("unable to lookup blob: %w", err)
-		}
-		defer blobReader.Close()
-
-		_, err = io.Copy(narWriter, blobReader)
-		if err != nil {
-			return fmt.Errorf("unable to read from blobReader: %w", err)
-		}
-
-		err = blobReader.Close()
-		if err != nil {
-			return fmt.Errorf("unable to close content reader: %w", err)
-		}
-
-		err = narWriter.Close()
-		if err != nil {
-			return fmt.Errorf("unable to close nar reader: %w", err)
-		}
-
-		return nil
-	} else if symlinkNode := rootNode.GetSymlink(); symlinkNode != nil {
-		rootHeader.Type = nar.TypeSymlink
-		rootHeader.LinkTarget = string(symlinkNode.GetTarget())
-		err := narWriter.WriteHeader(rootHeader)
-		if err != nil {
-			return fmt.Errorf("unable to write root header: %w", err)
-		}
-
-		err = narWriter.Close()
-		if err != nil {
-			return fmt.Errorf("unable to close nar reader: %w", err)
-		}
-	} else if directoryNode := rootNode.GetDirectory(); directoryNode != nil {
-		// We have a directory at the root, look it up and put in on the stack.
-		directory, err := directoryLookupFn(directoryNode.GetDigest())
-		if err != nil {
-			return fmt.Errorf("unable to lookup directory: %w", err)
-		}
-		stackDirectories = append(stackDirectories, directory)
-		stackPaths = append(stackPaths, "/")
-
-		err = narWriter.WriteHeader(&nar.Header{
-			Path: "/",
-			Type: nar.TypeDirectory,
-		})
-
-		if err != nil {
-			return fmt.Errorf("error writing header: %w", err)
-		}
-	} else {
-		panic("invalid type") // unreachable
-	}
-
-	// as long as the stack is not empty, we keep running.
-	for {
-		if len(stackDirectories) == 0 {
-			return nil
-		}
-
-		// Peek at the current top of the stack.
-		topOfStack := stackDirectories[len(stackDirectories)-1]
-		topOfStackPath := stackPaths[len(stackPaths)-1]
-
-		// get the next element that's lexicographically smallest, and drain it from
-		// the current directory on top of the stack.
-		nextNode := drainNextNode(topOfStack)
-
-		// If nextNode returns nil, there's nothing left in the directory node, so we
-		// can emit it from the stack.
-		// Contrary to the import case, we don't emit the node popping from the stack, but when pushing.
-		if nextNode == nil {
-			// pop off stack
-			stackDirectories = stackDirectories[:len(stackDirectories)-1]
-			stackPaths = stackPaths[:len(stackPaths)-1]
-
-			continue
-		}
-
-		switch n := (nextNode).(type) {
-		case *castorev1pb.DirectoryNode:
-			err := narWriter.WriteHeader(&nar.Header{
-				Path: path.Join(topOfStackPath, string(n.GetName())),
-				Type: nar.TypeDirectory,
-			})
-			if err != nil {
-				return fmt.Errorf("unable to write nar header: %w", err)
-			}
-
-			d, err := directoryLookupFn(n.GetDigest())
-			if err != nil {
-				return fmt.Errorf("unable to lookup directory: %w", err)
-			}
-
-			// add to stack
-			stackDirectories = append(stackDirectories, d)
-			stackPaths = append(stackPaths, path.Join(topOfStackPath, string(n.GetName())))
-		case *castorev1pb.FileNode:
-			err := narWriter.WriteHeader(&nar.Header{
-				Path:       path.Join(topOfStackPath, string(n.GetName())),
-				Type:       nar.TypeRegular,
-				Size:       int64(n.GetSize()),
-				Executable: n.GetExecutable(),
-			})
-			if err != nil {
-				return fmt.Errorf("unable to write nar header: %w", err)
-			}
-
-			// copy file contents
-			contentReader, err := blobLookupFn(n.GetDigest())
-			if err != nil {
-				return fmt.Errorf("unable to get blob: %w", err)
-			}
-			defer contentReader.Close()
-
-			_, err = io.Copy(narWriter, contentReader)
-			if err != nil {
-				return fmt.Errorf("unable to copy contents from contentReader: %w", err)
-			}
-
-			err = contentReader.Close()
-			if err != nil {
-				return fmt.Errorf("unable to close content reader: %w", err)
-			}
-		case *castorev1pb.SymlinkNode:
-			err := narWriter.WriteHeader(&nar.Header{
-				Path:       path.Join(topOfStackPath, string(n.GetName())),
-				Type:       nar.TypeSymlink,
-				LinkTarget: string(n.GetTarget()),
-			})
-			if err != nil {
-				return fmt.Errorf("unable to write nar header: %w", err)
-			}
-		}
-	}
-}
-
-// drainNextNode will drain a directory message with one of its child nodes,
-// whichever comes first alphabetically.
-func drainNextNode(d *castorev1pb.Directory) interface{} {
-	switch v := (smallestNode(d)).(type) {
-	case *castorev1pb.DirectoryNode:
-		d.Directories = d.Directories[1:]
-		return v
-	case *castorev1pb.FileNode:
-		d.Files = d.Files[1:]
-		return v
-	case *castorev1pb.SymlinkNode:
-		d.Symlinks = d.Symlinks[1:]
-		return v
-	case nil:
-		return nil
-	default:
-		panic("invalid type encountered")
-	}
-}
-
-// smallestNode will return the node from a directory message,
-// whichever comes first alphabetically.
-func smallestNode(d *castorev1pb.Directory) interface{} {
-	childDirectories := d.GetDirectories()
-	childFiles := d.GetFiles()
-	childSymlinks := d.GetSymlinks()
-
-	if len(childDirectories) > 0 {
-		if len(childFiles) > 0 {
-			if len(childSymlinks) > 0 {
-				// directories,files,symlinks
-				return smallerNode(smallerNode(childDirectories[0], childFiles[0]), childSymlinks[0])
-			} else {
-				// directories,files,!symlinks
-				return smallerNode(childDirectories[0], childFiles[0])
-			}
-		} else {
-			// directories,!files
-			if len(childSymlinks) > 0 {
-				// directories,!files,symlinks
-				return smallerNode(childDirectories[0], childSymlinks[0])
-			} else {
-				// directories,!files,!symlinks
-				return childDirectories[0]
-			}
-		}
-	} else {
-		// !directories
-		if len(childFiles) > 0 {
-			// !directories,files
-			if len(childSymlinks) > 0 {
-				// !directories,files,symlinks
-				return smallerNode(childFiles[0], childSymlinks[0])
-			} else {
-				// !directories,files,!symlinks
-				return childFiles[0]
-			}
-		} else {
-			//!directories,!files
-			if len(childSymlinks) > 0 {
-				//!directories,!files,symlinks
-				return childSymlinks[0]
-			} else {
-				//!directories,!files,!symlinks
-				return nil
-			}
-		}
-	}
-}
-
-// smallerNode compares two nodes by their name,
-// and returns the one with the smaller name.
-// both nodes may not be nil, we do check for these cases in smallestNode.
-func smallerNode(a interface{ GetName() []byte }, b interface{ GetName() []byte }) interface{ GetName() []byte } {
-	if string(a.GetName()) < string(b.GetName()) {
-		return a
-	} else {
-		return b
-	}
-}
diff --git a/tvix/store/protos/export_test.go b/tvix/store/protos/export_test.go
deleted file mode 100644
index 6c33bdc90117..000000000000
--- a/tvix/store/protos/export_test.go
+++ /dev/null
@@ -1,134 +0,0 @@
-package storev1_test
-
-import (
-	"bytes"
-	"io"
-	"os"
-	"testing"
-
-	castorev1pb "code.tvl.fyi/tvix/castore/protos"
-	storev1pb "code.tvl.fyi/tvix/store/protos"
-	"github.com/stretchr/testify/require"
-)
-
-func mustDirectoryDigest(d *castorev1pb.Directory) []byte {
-	dgst, err := d.Digest()
-	if err != nil {
-		panic(err)
-	}
-	return dgst
-}
-
-func TestSymlink(t *testing.T) {
-	node := &castorev1pb.Node{
-		Node: &castorev1pb.Node_Symlink{
-			Symlink: &castorev1pb.SymlinkNode{
-				Name:   []byte("doesntmatter"),
-				Target: []byte("/nix/store/somewhereelse"),
-			},
-		},
-	}
-
-	var buf bytes.Buffer
-
-	err := storev1pb.Export(&buf, node, func([]byte) (*castorev1pb.Directory, error) {
-		panic("no directories expected")
-	}, func([]byte) (io.ReadCloser, error) {
-		panic("no files expected")
-	})
-	require.NoError(t, err, "exporter shouldn't fail")
-
-	f, err := os.Open("testdata/symlink.nar")
-	require.NoError(t, err)
-
-	bytesExpected, err := io.ReadAll(f)
-	if err != nil {
-		panic(err)
-	}
-
-	require.Equal(t, bytesExpected, buf.Bytes(), "expected nar contents to match")
-}
-
-func TestRegular(t *testing.T) {
-	// The blake3 digest of the 0x01 byte.
-	BLAKE3_DIGEST_0X01 := []byte{
-		0x48, 0xfc, 0x72, 0x1f, 0xbb, 0xc1, 0x72, 0xe0, 0x92, 0x5f, 0xa2, 0x7a, 0xf1, 0x67, 0x1d,
-		0xe2, 0x25, 0xba, 0x92, 0x71, 0x34, 0x80, 0x29, 0x98, 0xb1, 0x0a, 0x15, 0x68, 0xa1, 0x88,
-		0x65, 0x2b,
-	}
-
-	node := &castorev1pb.Node{
-		Node: &castorev1pb.Node_File{
-			File: &castorev1pb.FileNode{
-				Name:       []byte("doesntmatter"),
-				Digest:     BLAKE3_DIGEST_0X01,
-				Size:       1,
-				Executable: false,
-			},
-		},
-	}
-
-	var buf bytes.Buffer
-
-	err := storev1pb.Export(&buf, node, func([]byte) (*castorev1pb.Directory, error) {
-		panic("no directories expected")
-	}, func(blobRef []byte) (io.ReadCloser, error) {
-		if !bytes.Equal(blobRef, BLAKE3_DIGEST_0X01) {
-			panic("unexpected blobref")
-		}
-		return io.NopCloser(bytes.NewBuffer([]byte{0x01})), nil
-	})
-	require.NoError(t, err, "exporter shouldn't fail")
-
-	f, err := os.Open("testdata/onebyteregular.nar")
-	require.NoError(t, err)
-
-	bytesExpected, err := io.ReadAll(f)
-	if err != nil {
-		panic(err)
-	}
-
-	require.Equal(t, bytesExpected, buf.Bytes(), "expected nar contents to match")
-}
-
-func TestEmptyDirectory(t *testing.T) {
-	// construct empty directory node this refers to
-	emptyDirectory := &castorev1pb.Directory{
-		Directories: []*castorev1pb.DirectoryNode{},
-		Files:       []*castorev1pb.FileNode{},
-		Symlinks:    []*castorev1pb.SymlinkNode{},
-	}
-	emptyDirectoryDigest := mustDirectoryDigest(emptyDirectory)
-
-	node := &castorev1pb.Node{
-		Node: &castorev1pb.Node_Directory{
-			Directory: &castorev1pb.DirectoryNode{
-				Name:   []byte("doesntmatter"),
-				Digest: emptyDirectoryDigest,
-				Size:   0,
-			},
-		},
-	}
-
-	var buf bytes.Buffer
-
-	err := storev1pb.Export(&buf, node, func(directoryRef []byte) (*castorev1pb.Directory, error) {
-		if !bytes.Equal(directoryRef, emptyDirectoryDigest) {
-			panic("unexpected directoryRef")
-		}
-		return emptyDirectory, nil
-	}, func([]byte) (io.ReadCloser, error) {
-		panic("no files expected")
-	})
-	require.NoError(t, err, "exporter shouldn't fail")
-
-	f, err := os.Open("testdata/emptydirectory.nar")
-	require.NoError(t, err)
-
-	bytesExpected, err := io.ReadAll(f)
-	if err != nil {
-		panic(err)
-	}
-
-	require.Equal(t, bytesExpected, buf.Bytes(), "expected nar contents to match")
-}
diff --git a/tvix/store/protos/go.mod b/tvix/store/protos/go.mod
deleted file mode 100644
index d56e2d9bc1b4..000000000000
--- a/tvix/store/protos/go.mod
+++ /dev/null
@@ -1,26 +0,0 @@
-module code.tvl.fyi/tvix/store/protos
-
-go 1.19
-
-require (
-	code.tvl.fyi/tvix/castore/protos v0.0.0-20231014122118-3fc2ade7dfb2
-	github.com/google/go-cmp v0.5.6
-	github.com/nix-community/go-nix v0.0.0-20231009143713-ebca3299475b
-	github.com/stretchr/testify v1.8.1
-	google.golang.org/grpc v1.51.0
-	google.golang.org/protobuf v1.31.0
-)
-
-require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/net v0.7.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-	lukechampine.com/blake3 v1.1.7 // indirect
-)
diff --git a/tvix/store/protos/go.sum b/tvix/store/protos/go.sum
deleted file mode 100644
index c412d838e289..000000000000
--- a/tvix/store/protos/go.sum
+++ /dev/null
@@ -1,105 +0,0 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-code.tvl.fyi/tvix/castore/protos v0.0.0-20231014122118-3fc2ade7dfb2 h1:Z5GS8OUe7L/hKDbb1amArY7QgX0DSD5xaBwWxmh4H3Y=
-code.tvl.fyi/tvix/castore/protos v0.0.0-20231014122118-3fc2ade7dfb2/go.mod h1:hj0y8RPthqn1QPj8u2jFe2vzH7NouUoclrwo1/CSbuc=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-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/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
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-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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diff --git a/tvix/store/protos/pathinfo.go b/tvix/store/protos/pathinfo.go
deleted file mode 100644
index 8c0b94f200c1..000000000000
--- a/tvix/store/protos/pathinfo.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package storev1
-
-import (
-	"bytes"
-	"crypto/sha256"
-	"encoding/base64"
-	"fmt"
-
-	"github.com/nix-community/go-nix/pkg/storepath"
-)
-
-// Validate performs some checks on the PathInfo struct, returning either the
-// StorePath of the root node, or an error.
-func (p *PathInfo) Validate() (*storepath.StorePath, error) {
-	// ensure References has the right number of bytes.
-	for i, reference := range p.GetReferences() {
-		if len(reference) != storepath.PathHashSize {
-			return nil, fmt.Errorf("invalid length of digest at position %d, expected %d, got %d", i, storepath.PathHashSize, len(reference))
-		}
-	}
-
-	// If there's a Narinfo field populated..
-	if narInfo := p.GetNarinfo(); narInfo != nil {
-		// ensure the NarSha256 digest has the correct length.
-		if len(narInfo.GetNarSha256()) != sha256.Size {
-			return nil, fmt.Errorf("invalid number of bytes for NarSha256: expected %d, got %d", sha256.Size, len(narInfo.GetNarSha256()))
-		}
-
-		// ensure the number of references matches len(References).
-		if len(narInfo.GetReferenceNames()) != len(p.GetReferences()) {
-			return nil, fmt.Errorf("inconsistent number of references: %d (references) vs %d (narinfo)", len(narInfo.GetReferenceNames()), len(p.GetReferences()))
-		}
-
-		// for each ReferenceName…
-		for i, referenceName := range narInfo.GetReferenceNames() {
-			// ensure it parses to a store path
-			storePath, err := storepath.FromString(referenceName)
-			if err != nil {
-				return nil, fmt.Errorf("invalid ReferenceName at position %d: %w", i, err)
-			}
-
-			// ensure the digest matches the one at References[i]
-			if !bytes.Equal(p.GetReferences()[i], storePath.Digest) {
-				return nil, fmt.Errorf(
-					"digest in ReferenceName at position %d does not match digest in PathInfo, expected %s, got %s",
-					i,
-					base64.StdEncoding.EncodeToString(p.GetReferences()[i]),
-					base64.StdEncoding.EncodeToString(storePath.Digest),
-				)
-			}
-		}
-	}
-
-	// ensure there is a (root) node present
-	rootNode := p.GetNode()
-	if rootNode == nil {
-		return nil, fmt.Errorf("root node must be set")
-	}
-
-	if err := rootNode.Validate(); err != nil {
-		return nil, fmt.Errorf("root node failed validation: %w", err)
-	}
-
-	// for all three node types, ensure the name properly parses to a store path.
-	// This is a stricter check as the ones already performed in the rootNode.Validate() call.
-	var rootNodeName []byte
-
-	if node := rootNode.GetDirectory(); node != nil {
-		rootNodeName = node.GetName()
-	} else if node := rootNode.GetFile(); node != nil {
-		rootNodeName = node.GetName()
-	} else if node := rootNode.GetSymlink(); node != nil {
-		rootNodeName = node.GetName()
-	} else {
-		// already caught by rootNode.Validate()
-		panic("unreachable")
-	}
-
-	storePath, err := storepath.FromString(string(rootNodeName))
-	if err != nil {
-		return nil, fmt.Errorf("unable to parse root node name %s as StorePath: %w", rootNodeName, err)
-	}
-
-	// If the Deriver field is populated, ensure it parses to a StorePath.
-	// We can't check for it to *not* end with .drv, as the .drv files produced by
-	// recursive Nix end with multiple .drv suffixes, and only one is popped when
-	// converting to this field.
-	if p.Deriver != nil {
-		deriverStorePath := storepath.StorePath{
-			Name:   string(p.Deriver.GetName()),
-			Digest: p.Deriver.GetDigest(),
-		}
-		if err := deriverStorePath.Validate(); err != nil {
-			return nil, fmt.Errorf("invalid deriver field: %w", err)
-		}
-	}
-
-	return storePath, nil
-}
diff --git a/tvix/store/protos/pathinfo.pb.go b/tvix/store/protos/pathinfo.pb.go
deleted file mode 100644
index b8296114f602..000000000000
--- a/tvix/store/protos/pathinfo.pb.go
+++ /dev/null
@@ -1,460 +0,0 @@
-// SPDX-License-Identifier: MIT
-// Copyright © 2022 The Tvix Authors
-
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.31.0
-// 	protoc        (unknown)
-// source: tvix/store/protos/pathinfo.proto
-
-package storev1
-
-import (
-	protos "code.tvl.fyi/tvix/castore/protos"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	reflect "reflect"
-	sync "sync"
-)
-
-const (
-	// Verify that this generated code is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
-	// Verify that runtime/protoimpl is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
-)
-
-// PathInfo shows information about a Nix Store Path.
-// That's a single element inside /nix/store.
-type PathInfo struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// The path can be a directory, file or symlink.
-	Node *protos.Node `protobuf:"bytes,1,opt,name=node,proto3" json:"node,omitempty"`
-	// List of references (output path hashes)
-	// This really is the raw *bytes*, after decoding nixbase32, and not a
-	// base32-encoded string.
-	References [][]byte `protobuf:"bytes,2,rep,name=references,proto3" json:"references,omitempty"`
-	// see below.
-	Narinfo *NARInfo `protobuf:"bytes,3,opt,name=narinfo,proto3" json:"narinfo,omitempty"`
-	// The StorePath of the .drv file producing this output.
-	// The .drv suffix is omitted in its `name` field.
-	Deriver *StorePath `protobuf:"bytes,4,opt,name=deriver,proto3" json:"deriver,omitempty"`
-}
-
-func (x *PathInfo) Reset() {
-	*x = PathInfo{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *PathInfo) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*PathInfo) ProtoMessage() {}
-
-func (x *PathInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use PathInfo.ProtoReflect.Descriptor instead.
-func (*PathInfo) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_pathinfo_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *PathInfo) GetNode() *protos.Node {
-	if x != nil {
-		return x.Node
-	}
-	return nil
-}
-
-func (x *PathInfo) GetReferences() [][]byte {
-	if x != nil {
-		return x.References
-	}
-	return nil
-}
-
-func (x *PathInfo) GetNarinfo() *NARInfo {
-	if x != nil {
-		return x.Narinfo
-	}
-	return nil
-}
-
-func (x *PathInfo) GetDeriver() *StorePath {
-	if x != nil {
-		return x.Deriver
-	}
-	return nil
-}
-
-// Represents a path in the Nix store (a direct child of STORE_DIR).
-// It is commonly formatted by a nixbase32-encoding the digest, and
-// concatenating the name, separated by a `-`.
-type StorePath struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// The string after digest and `-`.
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	// The digest (20 bytes).
-	Digest []byte `protobuf:"bytes,2,opt,name=digest,proto3" json:"digest,omitempty"`
-}
-
-func (x *StorePath) Reset() {
-	*x = StorePath{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *StorePath) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*StorePath) ProtoMessage() {}
-
-func (x *StorePath) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use StorePath.ProtoReflect.Descriptor instead.
-func (*StorePath) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_pathinfo_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *StorePath) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *StorePath) GetDigest() []byte {
-	if x != nil {
-		return x.Digest
-	}
-	return nil
-}
-
-// Nix C++ uses NAR (Nix Archive) as a format to transfer store paths,
-// and stores metadata and signatures in NARInfo files.
-// Store all these attributes in a separate message.
-//
-// This is useful to render .narinfo files to clients, or to preserve/validate
-// these signatures.
-// As verifying these signatures requires the whole NAR file to be synthesized,
-// moving to another signature scheme is desired.
-// Even then, it still makes sense to hold this data, for old clients.
-type NARInfo struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// This size of the NAR file, in bytes.
-	NarSize uint64 `protobuf:"varint,1,opt,name=nar_size,json=narSize,proto3" json:"nar_size,omitempty"`
-	// The sha256 of the NAR file representation.
-	NarSha256 []byte `protobuf:"bytes,2,opt,name=nar_sha256,json=narSha256,proto3" json:"nar_sha256,omitempty"`
-	// The signatures in a .narinfo file.
-	Signatures []*NARInfo_Signature `protobuf:"bytes,3,rep,name=signatures,proto3" json:"signatures,omitempty"`
-	// A list of references. To validate .narinfo signatures, a fingerprint
-	// needs to be constructed.
-	// This fingerprint doesn't just contain the hashes of the output paths of
-	// all references (like PathInfo.references), but their whole (base)names,
-	// so we need to keep them somewhere.
-	ReferenceNames []string `protobuf:"bytes,4,rep,name=reference_names,json=referenceNames,proto3" json:"reference_names,omitempty"`
-}
-
-func (x *NARInfo) Reset() {
-	*x = NARInfo{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *NARInfo) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*NARInfo) ProtoMessage() {}
-
-func (x *NARInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use NARInfo.ProtoReflect.Descriptor instead.
-func (*NARInfo) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_pathinfo_proto_rawDescGZIP(), []int{2}
-}
-
-func (x *NARInfo) GetNarSize() uint64 {
-	if x != nil {
-		return x.NarSize
-	}
-	return 0
-}
-
-func (x *NARInfo) GetNarSha256() []byte {
-	if x != nil {
-		return x.NarSha256
-	}
-	return nil
-}
-
-func (x *NARInfo) GetSignatures() []*NARInfo_Signature {
-	if x != nil {
-		return x.Signatures
-	}
-	return nil
-}
-
-func (x *NARInfo) GetReferenceNames() []string {
-	if x != nil {
-		return x.ReferenceNames
-	}
-	return nil
-}
-
-// This represents a (parsed) signature line in a .narinfo file.
-type NARInfo_Signature struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
-}
-
-func (x *NARInfo_Signature) Reset() {
-	*x = NARInfo_Signature{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *NARInfo_Signature) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*NARInfo_Signature) ProtoMessage() {}
-
-func (x *NARInfo_Signature) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_pathinfo_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use NARInfo_Signature.ProtoReflect.Descriptor instead.
-func (*NARInfo_Signature) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_pathinfo_proto_rawDescGZIP(), []int{2, 0}
-}
-
-func (x *NARInfo_Signature) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *NARInfo_Signature) GetData() []byte {
-	if x != nil {
-		return x.Data
-	}
-	return nil
-}
-
-var File_tvix_store_protos_pathinfo_proto protoreflect.FileDescriptor
-
-var file_tvix_store_protos_pathinfo_proto_rawDesc = []byte{
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-	0x74, 0x6f, 0x33,
-}
-
-var (
-	file_tvix_store_protos_pathinfo_proto_rawDescOnce sync.Once
-	file_tvix_store_protos_pathinfo_proto_rawDescData = file_tvix_store_protos_pathinfo_proto_rawDesc
-)
-
-func file_tvix_store_protos_pathinfo_proto_rawDescGZIP() []byte {
-	file_tvix_store_protos_pathinfo_proto_rawDescOnce.Do(func() {
-		file_tvix_store_protos_pathinfo_proto_rawDescData = protoimpl.X.CompressGZIP(file_tvix_store_protos_pathinfo_proto_rawDescData)
-	})
-	return file_tvix_store_protos_pathinfo_proto_rawDescData
-}
-
-var file_tvix_store_protos_pathinfo_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
-var file_tvix_store_protos_pathinfo_proto_goTypes = []interface{}{
-	(*PathInfo)(nil),          // 0: tvix.store.v1.PathInfo
-	(*StorePath)(nil),         // 1: tvix.store.v1.StorePath
-	(*NARInfo)(nil),           // 2: tvix.store.v1.NARInfo
-	(*NARInfo_Signature)(nil), // 3: tvix.store.v1.NARInfo.Signature
-	(*protos.Node)(nil),       // 4: tvix.castore.v1.Node
-}
-var file_tvix_store_protos_pathinfo_proto_depIdxs = []int32{
-	4, // 0: tvix.store.v1.PathInfo.node:type_name -> tvix.castore.v1.Node
-	2, // 1: tvix.store.v1.PathInfo.narinfo:type_name -> tvix.store.v1.NARInfo
-	1, // 2: tvix.store.v1.PathInfo.deriver:type_name -> tvix.store.v1.StorePath
-	3, // 3: tvix.store.v1.NARInfo.signatures:type_name -> tvix.store.v1.NARInfo.Signature
-	4, // [4:4] is the sub-list for method output_type
-	4, // [4:4] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
-}
-
-func init() { file_tvix_store_protos_pathinfo_proto_init() }
-func file_tvix_store_protos_pathinfo_proto_init() {
-	if File_tvix_store_protos_pathinfo_proto != nil {
-		return
-	}
-	if !protoimpl.UnsafeEnabled {
-		file_tvix_store_protos_pathinfo_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PathInfo); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_pathinfo_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StorePath); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_pathinfo_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NARInfo); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_pathinfo_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NARInfo_Signature); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_tvix_store_protos_pathinfo_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   4,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_tvix_store_protos_pathinfo_proto_goTypes,
-		DependencyIndexes: file_tvix_store_protos_pathinfo_proto_depIdxs,
-		MessageInfos:      file_tvix_store_protos_pathinfo_proto_msgTypes,
-	}.Build()
-	File_tvix_store_protos_pathinfo_proto = out.File
-	file_tvix_store_protos_pathinfo_proto_rawDesc = nil
-	file_tvix_store_protos_pathinfo_proto_goTypes = nil
-	file_tvix_store_protos_pathinfo_proto_depIdxs = nil
-}
diff --git a/tvix/store/protos/pathinfo_test.go b/tvix/store/protos/pathinfo_test.go
deleted file mode 100644
index 9a329f0010fc..000000000000
--- a/tvix/store/protos/pathinfo_test.go
+++ /dev/null
@@ -1,149 +0,0 @@
-package storev1_test
-
-import (
-	"path"
-	"testing"
-
-	"github.com/nix-community/go-nix/pkg/storepath"
-	"github.com/stretchr/testify/assert"
-
-	castorev1pb "code.tvl.fyi/tvix/castore/protos"
-	storev1pb "code.tvl.fyi/tvix/store/protos"
-)
-
-const (
-	EXAMPLE_STORE_PATH = "00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p2017022118243"
-)
-
-var (
-	exampleStorePathDigest = []byte{
-		0x8a, 0x12, 0x32, 0x15, 0x22, 0xfd, 0x91, 0xef, 0xbd, 0x60, 0xeb, 0xb2, 0x48, 0x1a, 0xf8, 0x85,
-		0x80, 0xf6, 0x16, 0x00}
-)
-
-func genPathInfoSymlink() *storev1pb.PathInfo {
-	return &storev1pb.PathInfo{
-		Node: &castorev1pb.Node{
-			Node: &castorev1pb.Node_Symlink{
-				Symlink: &castorev1pb.SymlinkNode{
-					Name:   []byte("00000000000000000000000000000000-dummy"),
-					Target: []byte("/nix/store/somewhereelse"),
-				},
-			},
-		},
-		References: [][]byte{exampleStorePathDigest},
-		Narinfo: &storev1pb.NARInfo{
-			NarSize:        0,
-			NarSha256:      []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
-			Signatures:     []*storev1pb.NARInfo_Signature{},
-			ReferenceNames: []string{EXAMPLE_STORE_PATH},
-		},
-	}
-}
-
-func genPathInfoSymlinkThin() *storev1pb.PathInfo {
-	pi := genPathInfoSymlink()
-	pi.Narinfo = nil
-
-	return pi
-}
-
-func TestValidate(t *testing.T) {
-	t.Run("happy symlink", func(t *testing.T) {
-		storePath, err := genPathInfoSymlink().Validate()
-		assert.NoError(t, err, "PathInfo must validate")
-		assert.Equal(t, "00000000000000000000000000000000-dummy", storePath.String())
-	})
-
-	t.Run("happy symlink thin", func(t *testing.T) {
-		storePath, err := genPathInfoSymlinkThin().Validate()
-		assert.NoError(t, err, "PathInfo must validate")
-		assert.Equal(t, "00000000000000000000000000000000-dummy", storePath.String())
-	})
-
-	t.Run("invalid nar_sha256", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// create broken references, where the reference digest is wrong
-		pi.Narinfo.NarSha256 = []byte{0xbe, 0xef}
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("invalid reference digest", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// create broken references, where the reference digest is wrong
-		pi.References = append(pi.References, []byte{0x00})
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("invalid reference name", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// make the reference name an invalid store path
-		pi.Narinfo.ReferenceNames[0] = "00000000000000000000000000000000-"
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("reference name digest mismatch", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// cause the digest for the reference to mismatch
-		pi.Narinfo.ReferenceNames[0] = "11111111111111111111111111111111-dummy"
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("nil root node", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		pi.Node = nil
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("invalid root node name", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// make the reference name an invalid store path - it may not be absolute
-		symlinkNode := pi.Node.GetSymlink()
-		symlinkNode.Name = []byte(path.Join(storepath.StoreDir, "00000000000000000000000000000000-dummy"))
-
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-	t.Run("happy deriver", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// add the Deriver Field.
-		pi.Deriver = &storev1pb.StorePath{
-			Digest: exampleStorePathDigest,
-			Name:   "foo",
-		}
-
-		_, err := pi.Validate()
-		assert.NoError(t, err, "must validate")
-	})
-
-	t.Run("invalid deriver", func(t *testing.T) {
-		pi := genPathInfoSymlink()
-
-		// add the Deriver Field, with a broken digest
-		pi.Deriver = &storev1pb.StorePath{
-			Digest: []byte{},
-			Name:   "foo2",
-		}
-		_, err := pi.Validate()
-		assert.Error(t, err, "must not validate")
-	})
-
-}
diff --git a/tvix/store/protos/pick_next_node_test.go b/tvix/store/protos/pick_next_node_test.go
deleted file mode 100644
index 830c6cacc136..000000000000
--- a/tvix/store/protos/pick_next_node_test.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package storev1
-
-import (
-	"testing"
-
-	castorev1pb "code.tvl.fyi/tvix/castore/protos"
-	"github.com/google/go-cmp/cmp"
-	"github.com/stretchr/testify/require"
-	"google.golang.org/protobuf/testing/protocmp"
-)
-
-func requireProtoEq(t *testing.T, expected interface{}, actual interface{}) {
-	if diff := cmp.Diff(expected, actual, protocmp.Transform()); diff != "" {
-		t.Errorf("unexpected difference:\n%v", diff)
-	}
-}
-
-func TestPopNextNode(t *testing.T) {
-	t.Run("empty directory", func(t *testing.T) {
-		d := &castorev1pb.Directory{
-			Directories: []*castorev1pb.DirectoryNode{},
-			Files:       []*castorev1pb.FileNode{},
-			Symlinks:    []*castorev1pb.SymlinkNode{},
-		}
-
-		n := drainNextNode(d)
-		require.Equal(t, nil, n)
-	})
-	t.Run("only directories", func(t *testing.T) {
-		ds := &castorev1pb.Directory{
-			Directories: []*castorev1pb.DirectoryNode{{
-				Name:   []byte("a"),
-				Digest: []byte{},
-				Size:   0,
-			}, {
-				Name:   []byte("b"),
-				Digest: []byte{},
-				Size:   0,
-			}},
-			Files:    []*castorev1pb.FileNode{},
-			Symlinks: []*castorev1pb.SymlinkNode{},
-		}
-
-		n := drainNextNode(ds)
-		requireProtoEq(t, &castorev1pb.DirectoryNode{
-			Name:   []byte("a"),
-			Digest: []byte{},
-			Size:   0,
-		}, n)
-	})
-}
diff --git a/tvix/store/protos/rpc_pathinfo.pb.go b/tvix/store/protos/rpc_pathinfo.pb.go
deleted file mode 100644
index 8a3c10a82101..000000000000
--- a/tvix/store/protos/rpc_pathinfo.pb.go
+++ /dev/null
@@ -1,348 +0,0 @@
-// SPDX-License-Identifier: MIT
-// Copyright © 2022 The Tvix Authors
-
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.31.0
-// 	protoc        (unknown)
-// source: tvix/store/protos/rpc_pathinfo.proto
-
-package storev1
-
-import (
-	protos "code.tvl.fyi/tvix/castore/protos"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	reflect "reflect"
-	sync "sync"
-)
-
-const (
-	// Verify that this generated code is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
-	// Verify that runtime/protoimpl is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
-)
-
-// The parameters that can be used to lookup a (single) PathInfo object.
-// Currently, only a lookup by output hash is supported.
-type GetPathInfoRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to ByWhat:
-	//
-	//	*GetPathInfoRequest_ByOutputHash
-	ByWhat isGetPathInfoRequest_ByWhat `protobuf_oneof:"by_what"`
-}
-
-func (x *GetPathInfoRequest) Reset() {
-	*x = GetPathInfoRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *GetPathInfoRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetPathInfoRequest) ProtoMessage() {}
-
-func (x *GetPathInfoRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetPathInfoRequest.ProtoReflect.Descriptor instead.
-func (*GetPathInfoRequest) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_rpc_pathinfo_proto_rawDescGZIP(), []int{0}
-}
-
-func (m *GetPathInfoRequest) GetByWhat() isGetPathInfoRequest_ByWhat {
-	if m != nil {
-		return m.ByWhat
-	}
-	return nil
-}
-
-func (x *GetPathInfoRequest) GetByOutputHash() []byte {
-	if x, ok := x.GetByWhat().(*GetPathInfoRequest_ByOutputHash); ok {
-		return x.ByOutputHash
-	}
-	return nil
-}
-
-type isGetPathInfoRequest_ByWhat interface {
-	isGetPathInfoRequest_ByWhat()
-}
-
-type GetPathInfoRequest_ByOutputHash struct {
-	// The output hash of a nix path (20 bytes).
-	// This is the nixbase32-decoded portion of a Nix output path, so to substitute
-	// /nix/store/xm35nga2g20mz5sm5l6n8v3bdm86yj83-cowsay-3.04
-	// this field would contain nixbase32dec("xm35nga2g20mz5sm5l6n8v3bdm86yj83").
-	ByOutputHash []byte `protobuf:"bytes,1,opt,name=by_output_hash,json=byOutputHash,proto3,oneof"`
-}
-
-func (*GetPathInfoRequest_ByOutputHash) isGetPathInfoRequest_ByWhat() {}
-
-// The parameters that can be used to lookup (multiple) PathInfo objects.
-// Currently no filtering is possible, all objects are returned.
-type ListPathInfoRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *ListPathInfoRequest) Reset() {
-	*x = ListPathInfoRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *ListPathInfoRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ListPathInfoRequest) ProtoMessage() {}
-
-func (x *ListPathInfoRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ListPathInfoRequest.ProtoReflect.Descriptor instead.
-func (*ListPathInfoRequest) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_rpc_pathinfo_proto_rawDescGZIP(), []int{1}
-}
-
-// CalculateNARResponse is the response returned by the CalculateNAR request.
-//
-// It contains the size of the NAR representation (in bytes), and the sha56
-// digest.
-type CalculateNARResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// This size of the NAR file, in bytes.
-	NarSize uint64 `protobuf:"varint,1,opt,name=nar_size,json=narSize,proto3" json:"nar_size,omitempty"`
-	// The sha256 of the NAR file representation.
-	NarSha256 []byte `protobuf:"bytes,2,opt,name=nar_sha256,json=narSha256,proto3" json:"nar_sha256,omitempty"`
-}
-
-func (x *CalculateNARResponse) Reset() {
-	*x = CalculateNARResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *CalculateNARResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*CalculateNARResponse) ProtoMessage() {}
-
-func (x *CalculateNARResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use CalculateNARResponse.ProtoReflect.Descriptor instead.
-func (*CalculateNARResponse) Descriptor() ([]byte, []int) {
-	return file_tvix_store_protos_rpc_pathinfo_proto_rawDescGZIP(), []int{2}
-}
-
-func (x *CalculateNARResponse) GetNarSize() uint64 {
-	if x != nil {
-		return x.NarSize
-	}
-	return 0
-}
-
-func (x *CalculateNARResponse) GetNarSha256() []byte {
-	if x != nil {
-		return x.NarSha256
-	}
-	return nil
-}
-
-var File_tvix_store_protos_rpc_pathinfo_proto protoreflect.FileDescriptor
-
-var file_tvix_store_protos_rpc_pathinfo_proto_rawDesc = []byte{
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-	0x33,
-}
-
-var (
-	file_tvix_store_protos_rpc_pathinfo_proto_rawDescOnce sync.Once
-	file_tvix_store_protos_rpc_pathinfo_proto_rawDescData = file_tvix_store_protos_rpc_pathinfo_proto_rawDesc
-)
-
-func file_tvix_store_protos_rpc_pathinfo_proto_rawDescGZIP() []byte {
-	file_tvix_store_protos_rpc_pathinfo_proto_rawDescOnce.Do(func() {
-		file_tvix_store_protos_rpc_pathinfo_proto_rawDescData = protoimpl.X.CompressGZIP(file_tvix_store_protos_rpc_pathinfo_proto_rawDescData)
-	})
-	return file_tvix_store_protos_rpc_pathinfo_proto_rawDescData
-}
-
-var file_tvix_store_protos_rpc_pathinfo_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
-var file_tvix_store_protos_rpc_pathinfo_proto_goTypes = []interface{}{
-	(*GetPathInfoRequest)(nil),   // 0: tvix.store.v1.GetPathInfoRequest
-	(*ListPathInfoRequest)(nil),  // 1: tvix.store.v1.ListPathInfoRequest
-	(*CalculateNARResponse)(nil), // 2: tvix.store.v1.CalculateNARResponse
-	(*PathInfo)(nil),             // 3: tvix.store.v1.PathInfo
-	(*protos.Node)(nil),          // 4: tvix.castore.v1.Node
-}
-var file_tvix_store_protos_rpc_pathinfo_proto_depIdxs = []int32{
-	0, // 0: tvix.store.v1.PathInfoService.Get:input_type -> tvix.store.v1.GetPathInfoRequest
-	3, // 1: tvix.store.v1.PathInfoService.Put:input_type -> tvix.store.v1.PathInfo
-	4, // 2: tvix.store.v1.PathInfoService.CalculateNAR:input_type -> tvix.castore.v1.Node
-	1, // 3: tvix.store.v1.PathInfoService.List:input_type -> tvix.store.v1.ListPathInfoRequest
-	3, // 4: tvix.store.v1.PathInfoService.Get:output_type -> tvix.store.v1.PathInfo
-	3, // 5: tvix.store.v1.PathInfoService.Put:output_type -> tvix.store.v1.PathInfo
-	2, // 6: tvix.store.v1.PathInfoService.CalculateNAR:output_type -> tvix.store.v1.CalculateNARResponse
-	3, // 7: tvix.store.v1.PathInfoService.List:output_type -> tvix.store.v1.PathInfo
-	4, // [4:8] is the sub-list for method output_type
-	0, // [0:4] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
-}
-
-func init() { file_tvix_store_protos_rpc_pathinfo_proto_init() }
-func file_tvix_store_protos_rpc_pathinfo_proto_init() {
-	if File_tvix_store_protos_rpc_pathinfo_proto != nil {
-		return
-	}
-	file_tvix_store_protos_pathinfo_proto_init()
-	if !protoimpl.UnsafeEnabled {
-		file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetPathInfoRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListPathInfoRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CalculateNARResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	file_tvix_store_protos_rpc_pathinfo_proto_msgTypes[0].OneofWrappers = []interface{}{
-		(*GetPathInfoRequest_ByOutputHash)(nil),
-	}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_tvix_store_protos_rpc_pathinfo_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   3,
-			NumExtensions: 0,
-			NumServices:   1,
-		},
-		GoTypes:           file_tvix_store_protos_rpc_pathinfo_proto_goTypes,
-		DependencyIndexes: file_tvix_store_protos_rpc_pathinfo_proto_depIdxs,
-		MessageInfos:      file_tvix_store_protos_rpc_pathinfo_proto_msgTypes,
-	}.Build()
-	File_tvix_store_protos_rpc_pathinfo_proto = out.File
-	file_tvix_store_protos_rpc_pathinfo_proto_rawDesc = nil
-	file_tvix_store_protos_rpc_pathinfo_proto_goTypes = nil
-	file_tvix_store_protos_rpc_pathinfo_proto_depIdxs = nil
-}
diff --git a/tvix/store/protos/rpc_pathinfo_grpc.pb.go b/tvix/store/protos/rpc_pathinfo_grpc.pb.go
deleted file mode 100644
index 10d8a7ffa49c..000000000000
--- a/tvix/store/protos/rpc_pathinfo_grpc.pb.go
+++ /dev/null
@@ -1,308 +0,0 @@
-// SPDX-License-Identifier: MIT
-// Copyright © 2022 The Tvix Authors
-
-// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
-// versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             (unknown)
-// source: tvix/store/protos/rpc_pathinfo.proto
-
-package storev1
-
-import (
-	protos "code.tvl.fyi/tvix/castore/protos"
-	context "context"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
-)
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
-const _ = grpc.SupportPackageIsVersion7
-
-const (
-	PathInfoService_Get_FullMethodName          = "/tvix.store.v1.PathInfoService/Get"
-	PathInfoService_Put_FullMethodName          = "/tvix.store.v1.PathInfoService/Put"
-	PathInfoService_CalculateNAR_FullMethodName = "/tvix.store.v1.PathInfoService/CalculateNAR"
-	PathInfoService_List_FullMethodName         = "/tvix.store.v1.PathInfoService/List"
-)
-
-// PathInfoServiceClient is the client API for PathInfoService service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
-type PathInfoServiceClient interface {
-	// Return a PathInfo message matching the criteria specified in the
-	// GetPathInfoRequest message.
-	Get(ctx context.Context, in *GetPathInfoRequest, opts ...grpc.CallOption) (*PathInfo, error)
-	// Upload a PathInfo object to the remote end. It MUST not return until the
-	// PathInfo object has been written on the the remote end.
-	//
-	// The remote end MAY check if a potential DirectoryNode has already been
-	// uploaded.
-	//
-	// Uploading clients SHOULD obviously not steer other machines to try to
-	// substitute before from the remote end before having finished uploading
-	// PathInfo, Directories and Blobs.
-	// The returned PathInfo object MAY contain additional narinfo signatures,
-	// but is otherwise left untouched.
-	Put(ctx context.Context, in *PathInfo, opts ...grpc.CallOption) (*PathInfo, error)
-	// Calculate the NAR representation of the contents specified by the
-	// root_node. The calculation SHOULD be cached server-side for subsequent
-	// requests.
-	//
-	// All references (to blobs or Directory messages) MUST already exist in
-	// the store.
-	//
-	// The method can be used to produce a Nix fixed-output path, which
-	// contains the (compressed) sha256 of the NAR content representation in
-	// the root_node name (suffixed with the name).
-	//
-	// It can also be used to calculate arbitrary NAR hashes of output paths,
-	// in case a legacy Nix Binary Cache frontend is provided.
-	CalculateNAR(ctx context.Context, in *protos.Node, opts ...grpc.CallOption) (*CalculateNARResponse, error)
-	// Return a stream of PathInfo messages matching the criteria specified in
-	// ListPathInfoRequest.
-	List(ctx context.Context, in *ListPathInfoRequest, opts ...grpc.CallOption) (PathInfoService_ListClient, error)
-}
-
-type pathInfoServiceClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewPathInfoServiceClient(cc grpc.ClientConnInterface) PathInfoServiceClient {
-	return &pathInfoServiceClient{cc}
-}
-
-func (c *pathInfoServiceClient) Get(ctx context.Context, in *GetPathInfoRequest, opts ...grpc.CallOption) (*PathInfo, error) {
-	out := new(PathInfo)
-	err := c.cc.Invoke(ctx, PathInfoService_Get_FullMethodName, in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *pathInfoServiceClient) Put(ctx context.Context, in *PathInfo, opts ...grpc.CallOption) (*PathInfo, error) {
-	out := new(PathInfo)
-	err := c.cc.Invoke(ctx, PathInfoService_Put_FullMethodName, in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *pathInfoServiceClient) CalculateNAR(ctx context.Context, in *protos.Node, opts ...grpc.CallOption) (*CalculateNARResponse, error) {
-	out := new(CalculateNARResponse)
-	err := c.cc.Invoke(ctx, PathInfoService_CalculateNAR_FullMethodName, in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *pathInfoServiceClient) List(ctx context.Context, in *ListPathInfoRequest, opts ...grpc.CallOption) (PathInfoService_ListClient, error) {
-	stream, err := c.cc.NewStream(ctx, &PathInfoService_ServiceDesc.Streams[0], PathInfoService_List_FullMethodName, opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &pathInfoServiceListClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type PathInfoService_ListClient interface {
-	Recv() (*PathInfo, error)
-	grpc.ClientStream
-}
-
-type pathInfoServiceListClient struct {
-	grpc.ClientStream
-}
-
-func (x *pathInfoServiceListClient) Recv() (*PathInfo, error) {
-	m := new(PathInfo)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-// PathInfoServiceServer is the server API for PathInfoService service.
-// All implementations must embed UnimplementedPathInfoServiceServer
-// for forward compatibility
-type PathInfoServiceServer interface {
-	// Return a PathInfo message matching the criteria specified in the
-	// GetPathInfoRequest message.
-	Get(context.Context, *GetPathInfoRequest) (*PathInfo, error)
-	// Upload a PathInfo object to the remote end. It MUST not return until the
-	// PathInfo object has been written on the the remote end.
-	//
-	// The remote end MAY check if a potential DirectoryNode has already been
-	// uploaded.
-	//
-	// Uploading clients SHOULD obviously not steer other machines to try to
-	// substitute before from the remote end before having finished uploading
-	// PathInfo, Directories and Blobs.
-	// The returned PathInfo object MAY contain additional narinfo signatures,
-	// but is otherwise left untouched.
-	Put(context.Context, *PathInfo) (*PathInfo, error)
-	// Calculate the NAR representation of the contents specified by the
-	// root_node. The calculation SHOULD be cached server-side for subsequent
-	// requests.
-	//
-	// All references (to blobs or Directory messages) MUST already exist in
-	// the store.
-	//
-	// The method can be used to produce a Nix fixed-output path, which
-	// contains the (compressed) sha256 of the NAR content representation in
-	// the root_node name (suffixed with the name).
-	//
-	// It can also be used to calculate arbitrary NAR hashes of output paths,
-	// in case a legacy Nix Binary Cache frontend is provided.
-	CalculateNAR(context.Context, *protos.Node) (*CalculateNARResponse, error)
-	// Return a stream of PathInfo messages matching the criteria specified in
-	// ListPathInfoRequest.
-	List(*ListPathInfoRequest, PathInfoService_ListServer) error
-	mustEmbedUnimplementedPathInfoServiceServer()
-}
-
-// UnimplementedPathInfoServiceServer must be embedded to have forward compatible implementations.
-type UnimplementedPathInfoServiceServer struct {
-}
-
-func (UnimplementedPathInfoServiceServer) Get(context.Context, *GetPathInfoRequest) (*PathInfo, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Get not implemented")
-}
-func (UnimplementedPathInfoServiceServer) Put(context.Context, *PathInfo) (*PathInfo, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Put not implemented")
-}
-func (UnimplementedPathInfoServiceServer) CalculateNAR(context.Context, *protos.Node) (*CalculateNARResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CalculateNAR not implemented")
-}
-func (UnimplementedPathInfoServiceServer) List(*ListPathInfoRequest, PathInfoService_ListServer) error {
-	return status.Errorf(codes.Unimplemented, "method List not implemented")
-}
-func (UnimplementedPathInfoServiceServer) mustEmbedUnimplementedPathInfoServiceServer() {}
-
-// UnsafePathInfoServiceServer may be embedded to opt out of forward compatibility for this service.
-// Use of this interface is not recommended, as added methods to PathInfoServiceServer will
-// result in compilation errors.
-type UnsafePathInfoServiceServer interface {
-	mustEmbedUnimplementedPathInfoServiceServer()
-}
-
-func RegisterPathInfoServiceServer(s grpc.ServiceRegistrar, srv PathInfoServiceServer) {
-	s.RegisterService(&PathInfoService_ServiceDesc, srv)
-}
-
-func _PathInfoService_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetPathInfoRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(PathInfoServiceServer).Get(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: PathInfoService_Get_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(PathInfoServiceServer).Get(ctx, req.(*GetPathInfoRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _PathInfoService_Put_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(PathInfo)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(PathInfoServiceServer).Put(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: PathInfoService_Put_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(PathInfoServiceServer).Put(ctx, req.(*PathInfo))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _PathInfoService_CalculateNAR_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(protos.Node)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(PathInfoServiceServer).CalculateNAR(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: PathInfoService_CalculateNAR_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(PathInfoServiceServer).CalculateNAR(ctx, req.(*protos.Node))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _PathInfoService_List_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(ListPathInfoRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(PathInfoServiceServer).List(m, &pathInfoServiceListServer{stream})
-}
-
-type PathInfoService_ListServer interface {
-	Send(*PathInfo) error
-	grpc.ServerStream
-}
-
-type pathInfoServiceListServer struct {
-	grpc.ServerStream
-}
-
-func (x *pathInfoServiceListServer) Send(m *PathInfo) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-// PathInfoService_ServiceDesc is the grpc.ServiceDesc for PathInfoService service.
-// It's only intended for direct use with grpc.RegisterService,
-// and not to be introspected or modified (even as a copy)
-var PathInfoService_ServiceDesc = grpc.ServiceDesc{
-	ServiceName: "tvix.store.v1.PathInfoService",
-	HandlerType: (*PathInfoServiceServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "Get",
-			Handler:    _PathInfoService_Get_Handler,
-		},
-		{
-			MethodName: "Put",
-			Handler:    _PathInfoService_Put_Handler,
-		},
-		{
-			MethodName: "CalculateNAR",
-			Handler:    _PathInfoService_CalculateNAR_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "List",
-			Handler:       _PathInfoService_List_Handler,
-			ServerStreams: true,
-		},
-	},
-	Metadata: "tvix/store/protos/rpc_pathinfo.proto",
-}
diff --git a/tvix/store/protos/testdata/emptydirectory.nar b/tvix/store/protos/testdata/emptydirectory.nar
deleted file mode 100644
index baba55862255..000000000000
--- a/tvix/store/protos/testdata/emptydirectory.nar
+++ /dev/null
Binary files differdiff --git a/tvix/store/protos/testdata/onebyteregular.nar b/tvix/store/protos/testdata/onebyteregular.nar
deleted file mode 100644
index b8c94932bf0c..000000000000
--- a/tvix/store/protos/testdata/onebyteregular.nar
+++ /dev/null
Binary files differdiff --git a/tvix/store/protos/testdata/symlink.nar b/tvix/store/protos/testdata/symlink.nar
deleted file mode 100644
index 7990e4ad5bc2..000000000000
--- a/tvix/store/protos/testdata/symlink.nar
+++ /dev/null
Binary files differ
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-10T02·15+0000