improve documentation and move one test

1 files changed, 6 insertions, 9 deletions

diff --git a/blockpool/test/hash_pool.go b/blockpool/test/hash_pool.go
index eea135af1..df3c750f9 100644
--- a/blockpool/test/hash_pool.go
+++ b/blockpool/test/hash_pool.go
@@ -7,8 +7,12 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
-// test helpers
-// TODO: move into common test helper package (see p2p/crypto etc.)
+// hashPool is a test helper, that allows random hashes to be referred to by integers
+type TestHashPool struct {
+	intToHash
+	hashToInt
+	lock sync.Mutex
+}
 
 func NewHashPool() *TestHashPool {
 	return &TestHashPool{intToHash: make(intToHash), hashToInt: make(hashToInt)}
@@ -18,13 +22,6 @@ type intToHash map[int]common.Hash
 
 type hashToInt map[common.Hash]int
 
-// hashPool is a test helper, that allows random hashes to be referred to by integers
-type TestHashPool struct {
-	intToHash
-	hashToInt
-	lock sync.Mutex
-}
-
 func newHash(i int) common.Hash {
 	return common.BytesToHash(crypto.Sha3([]byte(string(i))))
 }