renamed onionr dir and bugfixes/linting progress

src/onionrblocks/blockimporter.py

@@ -0,0 +1,55 @@
+'''
+    Onionr - Private P2P Communication
+
+    Import block data and save it
+'''
+'''
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+'''
+import onionrexceptions, logger
+from onionrutils import validatemetadata, blockmetadata
+from coredb import blockmetadb
+from . import onionrblacklist
+import onionrstorage
+import onionrcrypto as crypto
+def importBlockFromData(content):
+    blacklist = onionrblacklist.OnionrBlackList()
+    retData = False
+
+    try:
+        content = content.encode()
+    except AttributeError:
+        pass
+
+    dataHash = crypto.hashers.sha3_hash(content)
+
+    if blacklist.inBlacklist(dataHash):
+        raise onionrexceptions.BlacklistedBlock('%s is a blacklisted block' % (dataHash,))
+
+    metas = blockmetadata.get_block_metadata_from_data(content) # returns tuple(metadata, meta), meta is also in metadata
+    metadata = metas[0]
+    if validatemetadata.validate_metadata(metadata, metas[2]): # check if metadata is valid
+        if crypto.cryptoutils.verify_POW(content): # check if POW is enough/correct
+            logger.info('Imported block passed proof, saving.', terminal=True)
+            try:
+                blockHash = onionrstorage.set_data(content)
+            except onionrexceptions.DiskAllocationReached:
+                logger.warn('Failed to save block due to full disk allocation')
+            else:
+                blockmetadb.add_to_block_DB(blockHash, dataSaved=True)
+                blockmetadata.process_block_metadata(blockHash) # caches block metadata values to block database
+                retData = True
+        else:
+            raise onionrexceptions.InvalidProof
+    return retData