From c8613b430070c9e3b2a737792db964bb168501f3 Mon Sep 17 00:00:00 2001
From: Kevin Atkinson <k@kevina.org>
Date: Thu, 21 Jun 2018 22:45:57 -0400
Subject: [PATCH] Add initial support for identity hashes.

License: MIT
Signed-off-by: Kevin Atkinson <k@kevina.org>
---
 core/builder.go                | 10 +++--
 test/sharness/t0046-id-hash.sh | 74 ++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+), 4 deletions(-)
 create mode 100755 test/sharness/t0046-id-hash.sh

diff --git a/core/builder.go b/core/builder.go
index 0b3437dc383..da78b2a17db 100644
--- a/core/builder.go
+++ b/core/builder.go
@@ -204,18 +204,20 @@ func setupNode(ctx context.Context, n *IpfsNode, cfg *BuildCfg) error {
 		opts.HasBloomFilterSize = 0
 	}
 
-	cbs, err := bstore.CachedBlockstore(ctx, bs, opts)
+	wbs, err := bstore.CachedBlockstore(ctx, bs, opts)
 	if err != nil {
 		return err
 	}
 
-	n.BaseBlocks = cbs
+	wbs = bstore.NewIdStore(wbs)
+
+	n.BaseBlocks = wbs
 	n.GCLocker = bstore.NewGCLocker()
-	n.Blockstore = bstore.NewGCBlockstore(cbs, n.GCLocker)
+	n.Blockstore = bstore.NewGCBlockstore(wbs, n.GCLocker)
 
 	if conf.Experimental.FilestoreEnabled || conf.Experimental.UrlstoreEnabled {
 		// hash security
-		n.Filestore = filestore.NewFilestore(cbs, n.Repo.FileManager())
+		n.Filestore = filestore.NewFilestore(wbs, n.Repo.FileManager())
 		n.Blockstore = bstore.NewGCBlockstore(n.Filestore, n.GCLocker)
 		n.Blockstore = &verifbs.VerifBSGC{GCBlockstore: n.Blockstore}
 	}
diff --git a/test/sharness/t0046-id-hash.sh b/test/sharness/t0046-id-hash.sh
new file mode 100755
index 00000000000..b265200ca11
--- /dev/null
+++ b/test/sharness/t0046-id-hash.sh
@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+
+test_description="Test basic operations with identity hash"
+
+. lib/test-lib.sh
+
+test_init_ipfs
+
+ID_HASH0=z25RnHTQ7DveGAsV6YDSDR8EkWvD
+ID_HASH0_CONTENTS=jkD98jkD975hkD8
+
+test_expect_success "can fetch random id hash" '
+  ipfs cat $ID_HASH0 > expected &&
+  echo $ID_HASH0_CONTENTS > actual &&
+  test_cmp expected actual
+'
+
+test_expect_success "can pin random id hash" '
+  ipfs pin add $ID_HASH0
+'
+
+test_expect_success "ipfs add succeeds with id hash" '
+  echo "djkd7jdkd7jkHHG" > junk.txt &&
+  HASH=$(ipfs add -q --hash=id junk.txt)
+'
+
+test_expect_success "content not actually added" '
+  ipfs refs local | fgrep -q -v $HASH
+'
+
+test_expect_success "but can fetch it anyway" '
+  ipfs cat $HASH > actual &&
+  test_cmp junk.txt actual
+'
+
+test_expect_success "block rm does nothing" '
+  ipfs pin rm $HASH &&
+  ipfs block rm $HASH
+'
+
+test_expect_success "can still fetch it" '
+  ipfs cat $HASH > actual
+  test_cmp junk.txt actual
+'
+
+test_expect_success "enable filestore" '
+  ipfs config --json Experimental.FilestoreEnabled true
+'
+
+test_expect_success "can fetch random id hash (filestore enabled)" '
+  ipfs cat $ID_HASH0 > expected &&
+  echo $ID_HASH0_CONTENTS > actual &&
+  test_cmp expected actual
+'
+
+test_expect_success "can pin random id hash (filestore enabled)" '
+  ipfs pin add $ID_HASH0
+'
+
+test_expect_success "ipfs add succeeds with id hash and --nocopy" '
+  echo "djkd7jdkd7jkHHG" > junk.txt &&
+  HASH=$(ipfs add -q --hash=id --nocopy junk.txt)
+'
+
+test_expect_success "content not actually added (filestore enabled)" '
+  ipfs refs local | fgrep -q -v $HASH
+'
+
+test_expect_success "but can fetch it anyway (filestore enabled)" '
+  ipfs cat $HASH > actual &&
+  test_cmp junk.txt actual
+'
+
+test_done