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-rwxr-xr-xtest/functional/mining_basic.py32
1 files changed, 21 insertions, 11 deletions
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
index 86d7c78d63..63d1ccfb36 100755
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -18,11 +18,9 @@ from test_framework.blocktools import (
from test_framework.messages import (
CBlock,
CBlockHeader,
- BLOCK_HEADER_SIZE
-)
-from test_framework.mininode import (
- P2PDataStore,
+ BLOCK_HEADER_SIZE,
)
+from test_framework.mininode import P2PDataStore
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
@@ -30,10 +28,15 @@ from test_framework.util import (
connect_nodes,
)
+
def assert_template(node, block, expect, rehash=True):
if rehash:
block.hashMerkleRoot = block.calc_merkle_root()
- rsp = node.getblocktemplate(template_request={'data': block.serialize().hex(), 'mode': 'proposal', 'rules': ['segwit']})
+ rsp = node.getblocktemplate(template_request={
+ 'data': block.serialize().hex(),
+ 'mode': 'proposal',
+ 'rules': ['segwit'],
+ })
assert_equal(rsp, expect)
@@ -85,10 +88,9 @@ class MiningTest(BitcoinTestFramework):
next_height = int(tmpl["height"])
coinbase_tx = create_coinbase(height=next_height)
# sequence numbers must not be max for nLockTime to have effect
- coinbase_tx.vin[0].nSequence = 2 ** 32 - 2
+ coinbase_tx.vin[0].nSequence = 2**32 - 2
coinbase_tx.rehash()
- # round-trip the encoded bip34 block height commitment
block = CBlock()
block.nVersion = tmpl["version"]
block.hashPrevBlock = int(tmpl["previousblockhash"], 16)
@@ -116,7 +118,11 @@ class MiningTest(BitcoinTestFramework):
assert_raises_rpc_error(-22, "Block does not start with a coinbase", node.submitblock, bad_block.serialize().hex())
self.log.info("getblocktemplate: Test truncated final transaction")
- assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': block.serialize()[:-1].hex(), 'mode': 'proposal', 'rules': ['segwit']})
+ assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {
+ 'data': block.serialize()[:-1].hex(),
+ 'mode': 'proposal',
+ 'rules': ['segwit'],
+ })
self.log.info("getblocktemplate: Test duplicate transaction")
bad_block = copy.deepcopy(block)
@@ -135,7 +141,7 @@ class MiningTest(BitcoinTestFramework):
self.log.info("getblocktemplate: Test nonfinal transaction")
bad_block = copy.deepcopy(block)
- bad_block.vtx[0].nLockTime = 2 ** 32 - 1
+ bad_block.vtx[0].nLockTime = 2**32 - 1
bad_block.vtx[0].rehash()
assert_template(node, bad_block, 'bad-txns-nonfinal')
assert_submitblock(bad_block, 'bad-txns-nonfinal')
@@ -145,7 +151,11 @@ class MiningTest(BitcoinTestFramework):
bad_block_sn = bytearray(block.serialize())
assert_equal(bad_block_sn[BLOCK_HEADER_SIZE], 1)
bad_block_sn[BLOCK_HEADER_SIZE] += 1
- assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': bad_block_sn.hex(), 'mode': 'proposal', 'rules': ['segwit']})
+ assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {
+ 'data': bad_block_sn.hex(),
+ 'mode': 'proposal',
+ 'rules': ['segwit'],
+ })
self.log.info("getblocktemplate: Test bad bits")
bad_block = copy.deepcopy(block)
@@ -160,7 +170,7 @@ class MiningTest(BitcoinTestFramework):
self.log.info("getblocktemplate: Test bad timestamps")
bad_block = copy.deepcopy(block)
- bad_block.nTime = 2 ** 31 - 1
+ bad_block.nTime = 2**31 - 1
assert_template(node, bad_block, 'time-too-new')
assert_submitblock(bad_block, 'time-too-new', 'time-too-new')
bad_block.nTime = 0