testnet setup

lib/blockchain.py

@@ -63,19 +63,6 @@ def deserialize_header(f, height):
     h['block_height'] = height
     return h
 
-# def deserialize_header(f, height):
-#     h = {}
-#     h['version'] = struct.unpack("<I", f.read(4))[0]
-#     h['prev_block_hash'] = hash_to_str(f.read(32))
-#     h['merkle_root'] = hash_to_str(f.read(32))
-#     h['hash_reserved'] = hash_to_str(f.read(32))
-#     h['timestamp'] = struct.unpack("<I", f.read(4))[0]
-#     h['bits'] = struct.unpack("<I", f.read(4))[0]
-#     h['nonce'] = hash_to_str(f.read(32))
-#     h['n_solution'] = base64.b64encode(bytes(deser_char_vector(f))).decode('utf8')
-#     h['block_height'] = height
-#     return h
-
 def sha256_header(header):
     return uint256_from_bytes(Hash(serialize_header(header)))
 

lib/network.py

@@ -950,11 +950,14 @@ class Network(util.DaemonThread):
     def init_headers_file(self):
         b = self.blockchains[0]
         filename = b.path()
+
+        if NetworkConstants.TESTNET:
+            if not os.path.exists(filename) or b.get_hash(0) != NetworkConstants.GENESIS:
                 open(filename, 'wb+').close()
+            with b.lock: b.update_size()
             self.downloading_headers = False
             return
         
-        print(b.get_hash(0), NetworkConstants.GENESIS)
         if b.get_hash(0) == NetworkConstants.GENESIS:
             self.downloading_headers = False
             return
@@ -981,7 +984,6 @@ class Network(util.DaemonThread):
         t.start()
 
     def run(self):
-        print('zzzzzzzzzzzzzzzzzzzz')
         self.init_headers_file()
         while self.is_running() and self.downloading_headers:
             time.sleep(1)

lib/util.py

@@ -614,7 +614,7 @@ class SocketPipe:
                 if err.errno == 60:
                     raise timeout
                 elif err.errno in [11, 35, 10035]:
-                    print_error("socket errno %d (resource temporarily unavailable)"% err.errno)
+                    # print_error("socket errno %d (resource temporarily unavailable)"% err.errno)
                     time.sleep(0.2)
                     raise timeout
                 else: