[mining] segwit option must be set in GBT

Calling getblocktemplate without the segwit rule specified is most
likely a client error, since it results in lower fees for the miner.
Prevent this client error by failing getblocktemplate if called without
the segwit rule specified.
This commit is contained in:
John Newbery
2018-11-26 11:17:38 -05:00
parent 5f23460c7e
commit 0025c9eae4
10 changed files with 30 additions and 62 deletions

View File

@ -90,7 +90,7 @@ class SegWitTest(BitcoinTestFramework):
self.log.info("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
tmpl = self.nodes[0].getblocktemplate({})
tmpl = self.nodes[0].getblocktemplate({'rules': ['segwit']})
assert(tmpl['sizelimit'] == 1000000)
assert('weightlimit' not in tmpl)
assert(tmpl['sigoplimit'] == 20000)
@ -232,15 +232,7 @@ class SegWitTest(BitcoinTestFramework):
assert(tx.wit.is_null())
assert(txid3 in self.nodes[0].getrawmempool())
# Now try calling getblocktemplate() without segwit support.
template = self.nodes[0].getblocktemplate()
# Check that tx1 is the only transaction of the 3 in the template.
template_txids = [t['txid'] for t in template['transactions']]
assert(txid2 not in template_txids and txid3 not in template_txids)
assert(txid1 in template_txids)
# Check that running with segwit support results in all 3 being included.
# Check that getblocktemplate includes all transactions.
template = self.nodes[0].getblocktemplate({"rules": ["segwit"]})
template_txids = [t['txid'] for t in template['transactions']]
assert(txid1 in template_txids)