moved lbry up one level

lbry/blob/blob_info.py

@@ -0,0 +1,26 @@
+import typing
+
+
+class BlobInfo:
+    __slots__ = [
+        'blob_hash',
+        'blob_num',
+        'length',
+        'iv',
+    ]
+
+    def __init__(self, blob_num: int, length: int, iv: str, blob_hash: typing.Optional[str] = None):
+        self.blob_hash = blob_hash
+        self.blob_num = blob_num
+        self.length = length
+        self.iv = iv
+
+    def as_dict(self) -> typing.Dict:
+        d = {
+            'length': self.length,
+            'blob_num': self.blob_num,
+            'iv': self.iv,
+        }
+        if self.blob_hash:  # non-terminator blobs have a blob hash
+            d['blob_hash'] = self.blob_hash
+        return d