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-rwxr-xr-xtest/functional/mining_basic.py79
1 files changed, 74 insertions, 5 deletions
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
index fa20a2d2f4..15b2d7f757 100755
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -9,16 +9,23 @@
- submitblock"""
import copy
-from binascii import b2a_hex
from decimal import Decimal
from test_framework.blocktools import create_coinbase
-from test_framework.messages import CBlock
+from test_framework.messages import (
+ CBlock,
+ CBlockHeader,
+)
+from test_framework.mininode import (
+ P2PDataStore,
+)
from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_rpc_error
+from test_framework.util import (
+ assert_equal,
+ assert_raises_rpc_error,
+ bytes_to_hex_str as b2x,
+)
-def b2x(b):
- return b2a_hex(b).decode('ascii')
def assert_template(node, block, expect, rehash=True):
if rehash:
@@ -131,5 +138,67 @@ class MiningTest(BitcoinTestFramework):
bad_block.hashPrevBlock = 123
assert_template(node, bad_block, 'inconclusive-not-best-prevblk')
+ self.log.info('submitheader tests')
+ assert_raises_rpc_error(-22, 'Block header decode failed', lambda: node.submitheader(hexdata='xx' * 80))
+ assert_raises_rpc_error(-22, 'Block header decode failed', lambda: node.submitheader(hexdata='ff' * 78))
+ assert_raises_rpc_error(-25, 'Must submit previous header', lambda: node.submitheader(hexdata='ff' * 80))
+
+ block.solve()
+
+ def chain_tip(b_hash, *, status='headers-only', branchlen=1):
+ return {'hash': b_hash, 'height': 202, 'branchlen': branchlen, 'status': status}
+
+ assert chain_tip(block.hash) not in node.getchaintips()
+ node.submitheader(hexdata=b2x(block.serialize()))
+ assert chain_tip(block.hash) in node.getchaintips()
+ node.submitheader(hexdata=b2x(CBlockHeader(block).serialize())) # Noop
+ assert chain_tip(block.hash) in node.getchaintips()
+
+ bad_block_root = copy.deepcopy(block)
+ bad_block_root.hashMerkleRoot += 2
+ bad_block_root.solve()
+ assert chain_tip(bad_block_root.hash) not in node.getchaintips()
+ node.submitheader(hexdata=b2x(CBlockHeader(bad_block_root).serialize()))
+ assert chain_tip(bad_block_root.hash) in node.getchaintips()
+ # Should still reject invalid blocks, even if we have the header:
+ assert_equal(node.submitblock(hexdata=b2x(bad_block_root.serialize())), 'invalid')
+ assert chain_tip(bad_block_root.hash) in node.getchaintips()
+ # We know the header for this invalid block, so should just return early without error:
+ node.submitheader(hexdata=b2x(CBlockHeader(bad_block_root).serialize()))
+ assert chain_tip(bad_block_root.hash) in node.getchaintips()
+
+ bad_block_lock = copy.deepcopy(block)
+ bad_block_lock.vtx[0].nLockTime = 2**32 - 1
+ bad_block_lock.vtx[0].rehash()
+ bad_block_lock.hashMerkleRoot = bad_block_lock.calc_merkle_root()
+ bad_block_lock.solve()
+ assert_equal(node.submitblock(hexdata=b2x(bad_block_lock.serialize())), 'invalid')
+ # Build a "good" block on top of the submitted bad block
+ bad_block2 = copy.deepcopy(block)
+ bad_block2.hashPrevBlock = bad_block_lock.sha256
+ bad_block2.solve()
+ assert_raises_rpc_error(-25, 'bad-prevblk', lambda: node.submitheader(hexdata=b2x(CBlockHeader(bad_block2).serialize())))
+
+ # Should reject invalid header right away
+ bad_block_time = copy.deepcopy(block)
+ bad_block_time.nTime = 1
+ bad_block_time.solve()
+ assert_raises_rpc_error(-25, 'time-too-old', lambda: node.submitheader(hexdata=b2x(CBlockHeader(bad_block_time).serialize())))
+
+ # Should ask for the block from a p2p node, if they announce the header as well:
+ node.add_p2p_connection(P2PDataStore())
+ node.p2p.wait_for_getheaders(timeout=5) # Drop the first getheaders
+ node.p2p.send_blocks_and_test(blocks=[block], rpc=node)
+ # Must be active now:
+ assert chain_tip(block.hash, status='active', branchlen=0) in node.getchaintips()
+
+ # Building a few blocks should give the same results
+ node.generate(10)
+ assert_raises_rpc_error(-25, 'time-too-old', lambda: node.submitheader(hexdata=b2x(CBlockHeader(bad_block_time).serialize())))
+ assert_raises_rpc_error(-25, 'bad-prevblk', lambda: node.submitheader(hexdata=b2x(CBlockHeader(bad_block2).serialize())))
+ node.submitheader(hexdata=b2x(CBlockHeader(block).serialize()))
+ node.submitheader(hexdata=b2x(CBlockHeader(bad_block_root).serialize()))
+
+
if __name__ == '__main__':
MiningTest().main()