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Merge #7935: Versionbits: GBT support

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12c708a getblocktemplate: Use version/force mutation to support pre-BIP9 clients (Luke Dashjr)
9879060 getblocktemplate: Explicitly handle the distinction between GBT-affecting softforks vs not (Luke Dashjr)
72cd6b2 qa/rpc-tests: bip9-softforks: Add tests for getblocktemplate versionbits updates (Luke Dashjr)
d3df40e Implement BIP 9 GBT changes (Luke Dashjr)
This commit is contained in:
Pieter Wuille
2016-06-08 15:28:45 +02:00
parent 6a034ed898 12c708a4b3
commit 66ed450d77
7 changed files with 150 additions and 14 deletions
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32
qa/rpc-tests/bip9-softforks.py
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@@ -80,7 +80,7 @@ class BIP9SoftForksTest(ComparisonTestFramework):
info = self.nodes[0].getblockchaininfo()
return info['bip9_softforks'][key]
def test_BIP(self, bipName, activated_version, invalidate, invalidatePostSignature):
def test_BIP(self, bipName, activated_version, invalidate, invalidatePostSignature, bitno):
# generate some coins for later
self.coinbase_blocks = self.nodes[0].generate(2)
self.height = 3 # height of the next block to build
@@ -89,6 +89,11 @@ class BIP9SoftForksTest(ComparisonTestFramework):
self.last_block_time = int(time.time())
assert_equal(self.get_bip9_status(bipName)['status'], 'defined')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName not in tmpl['rules'])
assert(bipName not in tmpl['vbavailable'])
assert_equal(tmpl['vbrequired'], 0)
assert_equal(tmpl['version'], 0x20000000)
# Test 1
# Advance from DEFINED to STARTED
@@ -96,6 +101,11 @@ class BIP9SoftForksTest(ComparisonTestFramework):
yield TestInstance(test_blocks, sync_every_block=False)
assert_equal(self.get_bip9_status(bipName)['status'], 'started')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName not in tmpl['rules'])
assert_equal(tmpl['vbavailable'][bipName], bitno)
assert_equal(tmpl['vbrequired'], 0)
assert(tmpl['version'] & activated_version)
# Test 2
# Fail to achieve LOCKED_IN 100 out of 144 signal bit 1
@@ -107,6 +117,11 @@ class BIP9SoftForksTest(ComparisonTestFramework):
yield TestInstance(test_blocks, sync_every_block=False)
assert_equal(self.get_bip9_status(bipName)['status'], 'started')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName not in tmpl['rules'])
assert_equal(tmpl['vbavailable'][bipName], bitno)
assert_equal(tmpl['vbrequired'], 0)
assert(tmpl['version'] & activated_version)
# Test 3
# 108 out of 144 signal bit 1 to achieve LOCKED_IN
@@ -118,6 +133,8 @@ class BIP9SoftForksTest(ComparisonTestFramework):
yield TestInstance(test_blocks, sync_every_block=False)
assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName not in tmpl['rules'])
# Test 4
# 143 more version 536870913 blocks (waiting period-1)
@@ -125,6 +142,8 @@ class BIP9SoftForksTest(ComparisonTestFramework):
yield TestInstance(test_blocks, sync_every_block=False)
assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName not in tmpl['rules'])
# Test 5
# Check that the new rule is enforced
@@ -148,6 +167,11 @@ class BIP9SoftForksTest(ComparisonTestFramework):
yield TestInstance([[block, True]])
assert_equal(self.get_bip9_status(bipName)['status'], 'active')
tmpl = self.nodes[0].getblocktemplate({})
assert(bipName in tmpl['rules'])
assert(bipName not in tmpl['vbavailable'])
assert_equal(tmpl['vbrequired'], 0)
assert(not (tmpl['version'] & (1 << bitno)))
# Test 6
# Check that the new sequence lock rules are enforced
@@ -183,9 +207,9 @@ class BIP9SoftForksTest(ComparisonTestFramework):
def get_tests(self):
for test in itertools.chain(
self.test_BIP('csv', 536870913, self.sequence_lock_invalidate, self.donothing),
self.test_BIP('csv', 536870913, self.mtp_invalidate, self.donothing),
self.test_BIP('csv', 536870913, self.donothing, self.csv_invalidate)
self.test_BIP('csv', 0x20000001, self.sequence_lock_invalidate, self.donothing, 0),
self.test_BIP('csv', 0x20000001, self.mtp_invalidate, self.donothing, 0),
self.test_BIP('csv', 0x20000001, self.donothing, self.csv_invalidate, 0)
):
yield test