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miner: adjust clock to timewarp rule

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This commit is contained in:
Sjors Provoost
2024-08-20 10:45:04 +02:00
parent e929054e12
commit 59ff17e5af
4 changed files with 24 additions and 15 deletions
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17
test/functional/mining_basic.py
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@@ -28,6 +28,7 @@ from test_framework.p2p import P2PDataStore
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_greater_than_or_equal,
assert_raises_rpc_error,
get_fee,
)
@@ -139,24 +140,24 @@ class MiningTest(BitcoinTestFramework):
self.log.info("First block template of retarget period can't use wall clock time")
self.nodes[0].setmocktime(t)
assert_raises_rpc_error(-1, "time-timewarp-attack, block's timestamp is too early on diff adjustment block",
lambda: node.getblocktemplate(NORMAL_GBT_REQUEST_PARAMS))
# Create template with an acceptable timestamp and then modify it
self.nodes[0].setmocktime(t + MAX_FUTURE_BLOCK_TIME)
# The template will have an adjusted timestamp, which we then modify
tmpl = node.getblocktemplate(NORMAL_GBT_REQUEST_PARAMS)
assert_greater_than_or_equal(tmpl['curtime'], t + MAX_FUTURE_BLOCK_TIME - MAX_TIMEWARP)
block = CBlock()
block.nVersion = tmpl["version"]
block.hashPrevBlock = int(tmpl["previousblockhash"], 16)
block.nTime = t
block.nTime = tmpl["curtime"]
block.nBits = int(tmpl["bits"], 16)
block.nNonce = 0
block.vtx = [create_coinbase(height=int(tmpl["height"]))]
block.solve()
assert_template(node, block, None)
self.nodes[0].setmocktime(t)
assert_raises_rpc_error(-25, 'time-timewarp-attack', lambda: node.submitheader(hexdata=CBlockHeader(block).serialize().hex()))
bad_block = copy.deepcopy(block)
bad_block.nTime = t
bad_block.solve()
assert_raises_rpc_error(-25, 'time-timewarp-attack', lambda: node.submitheader(hexdata=CBlockHeader(bad_block).serialize().hex()))
def run_test(self):
node = self.nodes[0]