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hopefully fixed block sync issue

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This commit is contained in:
Kevin Froman 2018-08-16 19:02:14 -05:00
parent cb90c24e64
commit 5b20930d5c
3 changed files with 10 additions and 3 deletions
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10
docs/whitepaper.md
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@ -86,6 +86,12 @@ Blocks are stored indefinitely until the allocated space is filled, at which poi
## Block Timestamping
Onionr can provide evidence when a block was inserted by requesting other users to sign a hash of the current time with the block data hash: sha3_256(time + sha3_256(block data)).
Onionr can provide evidence of when a block was inserted by requesting other users to sign a hash of the current time with the block data hash: sha3_256(time + sha3_256(block data)).
This can be done either by the creator of the block prior to generation, or by any node after insertion.
This can be done either by the creator of the block prior to generation, or by any node after insertion.
In addition, randomness beacons such as the one operated by [NIST](https://beacon.nist.gov/home) or the hash of the latest blocks in a cryptocurrency network could be used to affirm that a block was at least not *created* before a given time.
# Direct Connections
We propose a system to

2
onionr/api.py
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@ -474,7 +474,7 @@ class API:
elif action == 'getData':
resp = ''
if self._utils.validateHash(data):
if not os.path.exists('data/blocks/' + data + '.db'):
if os.path.exists('data/blocks/' + data + '.dat'):
block = Block(hash=data.encode(), core=self._core)
resp = base64.b64encode(block.getRaw().encode()).decode()
if len(resp) == 0:

1
onionr/communicator2.py
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@ -216,6 +216,7 @@ class OnionrCommunicatorDaemon:
logger.warn('POW failed for block ' + blockHash)
else:
logger.warn('Metadata for ' + blockHash + ' is invalid.')
self._core._blacklist.addToDB(blockHash)
else:
# if block didn't meet expected hash
tempHash = self._core._crypto.sha3Hash(content) # lazy hack, TODO use var