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Added new test for future blocks reacceptance

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Adds a test case for checking reacceptance a previously rejected block
that was too far in the future.
This commit is contained in:
sanket1729 2020-06-16 11:16:14 -05:00
parent 511a5af462
commit 55311197c4
1 changed files with 15 additions and 0 deletions
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15
test/functional/feature_block.py
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@ -700,6 +700,21 @@ class FullBlockTest(BitcoinTestFramework):
self.send_blocks([b55], True)
self.save_spendable_output()
# The block which was previously rejected because of being "too far(3 hours)" must be accepted 2 hours later.
# The new block is only 1 hour into future now and we must reorg onto to the new longer chain.
# The new bestblock b48p is invalidated manually.
# -> b31 (8) -> b33 (9) -> b35 (10) -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15)
# \-> b54 (15)
# -> b44 (14)\-> b48 () -> b48p ()
self.log.info("Accept a previously rejected future block at a later time")
node.setmocktime(int(time.time()) + 2*60*60)
self.move_tip(48)
self.block_heights[b48.sha256] = self.block_heights[b44.sha256] + 1 # b48 is a parent of b44
b48p = self.next_block("48p")
self.send_blocks([b48, b48p], success=True) # Reorg to the longer chain
node.invalidateblock(b48p.hash) # mark b48p as invalid
node.setmocktime(0)
# Test Merkle tree malleability
#
# -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57p2 (16)