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-rwxr-xr-xtest/functional/p2p_invalid_block.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/functional/p2p_invalid_block.py b/test/functional/p2p_invalid_block.py
index 483f25f48c..91666d0f08 100755
--- a/test/functional/p2p_invalid_block.py
+++ b/test/functional/p2p_invalid_block.py
@@ -9,8 +9,11 @@ In this test we connect to one node over p2p, and test block requests:
2) Invalid block with duplicated transaction should be re-requested.
3) Invalid block with bad coinbase value should be rejected and not
re-requested.
+4) Invalid block due to future timestamp is later accepted when that timestamp
+becomes valid.
"""
import copy
+import time
from test_framework.blocktools import create_block, create_coinbase, create_tx_with_script
from test_framework.messages import COIN
@@ -18,6 +21,9 @@ from test_framework.p2p import P2PDataStore
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
+MAX_FUTURE_BLOCK_TIME = 2 * 60 * 60
+
+
class InvalidBlockRequestTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
@@ -133,5 +139,18 @@ class InvalidBlockRequestTest(BitcoinTestFramework):
self.log.info("Test inflation by duplicating input")
peer.send_blocks_and_test([block4], node, success=False, reject_reason='bad-txns-inputs-duplicate')
+ self.log.info("Test accepting identical block after rejecting it due to a future timestamp.")
+ t = int(time.time())
+ node.setmocktime(t)
+ # Set block time +1 second past max future validity
+ block = create_block(tip, create_coinbase(height), t + MAX_FUTURE_BLOCK_TIME + 1)
+ block.hashMerkleRoot = block.calc_merkle_root()
+ block.solve()
+ # Need force_send because the block will get rejected without a getdata otherwise
+ peer.send_blocks_and_test([block], node, force_send=True, success=False, reject_reason='time-too-new')
+ node.setmocktime(t + 1)
+ peer.send_blocks_and_test([block], node, success=True)
+
+
if __name__ == '__main__':
InvalidBlockRequestTest().main()