refactor(tvix): move castore into tvix-castore crate r/6629

This splits the pure content-addressed layers from tvix-store into a
`castore` crate, and only leaves PathInfo related things, as well as the
CLI entrypoint in the tvix-store crate.

Notable changes:
 - `fixtures` and `utils` had to be moved out of the `test` cfg, so they
   can be imported from tvix-store.
 - Some ad-hoc fixtures in the test were moved to proper fixtures in the
   same step.
 - The protos are now created by a (more static) recipe in the protos/
   directory.

The (now two) golang targets are commented out, as it's not possible to
update them properly in the same CL. This will be done by a followup CL
once this is merged (and whitby deployed)

Bug: https://b.tvl.fyi/issues/301

Change-Id: I8d675d4bf1fb697eb7d479747c1b1e3635718107
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9370
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: Connor Brewster <cbrewster@hey.com>

1 files changed, 0 insertions, 48 deletions

diff --git a/tvix/store/protos/rpc_directory.proto b/tvix/store/protos/rpc_directory.proto
deleted file mode 100644
index 0aeed5c3c0..0000000000
--- a/tvix/store/protos/rpc_directory.proto
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: MIT
-// Copyright © 2022 The Tvix Authors
-syntax = "proto3";
-
-package tvix.store.v1;
-
-import "tvix/store/protos/castore.proto";
-
-option go_package = "code.tvl.fyi/tvix/store/protos;storev1";
-
-service DirectoryService {
-  // Get retrieves a stream of Directory messages, by using the lookup
-  // parameters in GetDirectoryRequest.
-  // Keep in mind multiple DirectoryNodes in different parts of the graph might
-  // have the same digest if they have the same underlying contents,
-  // so sending subsequent ones can be omitted.
-  rpc Get(GetDirectoryRequest) returns (stream Directory);
-
-  // Put uploads a graph of Directory messages.
-  // Individual Directory messages need to be send in an order walking up
-  // from the leaves to the root - a Directory message can only refer to
-  // Directory messages previously sent in the same stream.
-  // Keep in mind multiple DirectoryNodes in different parts of the graph might
-  // have the same digest if they have the same underlying contents,
-  // so sending subsequent ones can be omitted.
-  // We might add a separate method, allowing to send partial graphs at a later
-  // time, if requiring to send the full graph turns out to be a problem.
-  rpc Put(stream Directory) returns (PutDirectoryResponse);
-}
-
-message GetDirectoryRequest {
-  oneof by_what {
-      // The blake3 hash of the (root) Directory message, serialized in
-      // protobuf canonical form.
-      // Keep in mind this can be a subtree of another root.
-      bytes digest = 1;
-  }
-
-  // If set to true, recursively resolve all child Directory messages.
-  // Directory messages SHOULD be streamed in a recursive breadth-first walk,
-  // but other orders are also fine, as long as Directory messages are only
-  // sent after they are referred to from previously sent Directory messages.
-  bool recursive = 2;
-}
-
-message PutDirectoryResponse {
-  bytes root_digest = 1;
-}