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test_lightning.py: check error on too-large funding tx.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-01-15 15:13:08 +10:30
committed by Christian Decker
parent 904a3e4ae3
commit fc151e10cd
1 changed files with 25 additions and 0 deletions
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25
tests/test_lightningd.py
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@@ -2419,6 +2419,31 @@ class LightningDTests(BaseLightningDTests):
# This works.
l1.rpc.fundchannel(l2.info['id'], int(funds/10))
def test_funding_toolarge(self):
"""Try to create a giant channel"""
l1 = self.node_factory.get_node()
l2 = self.node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
# Send funds.
amount = 2**24
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['address'], amount / 10**8 + 0.01)
bitcoind.generate_block(1)
# Wait for it to arrive.
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) > 0)
# Fail to open (too large)
try:
l1.rpc.fundchannel(l2.info['id'], amount)
self.fail('Expected fundchannel to fail!')
except ValueError as err:
assert 'Funding satoshi must be <= 16777215' in str(err)
# This should work.
amount = amount-1
l1.rpc.fundchannel(l2.info['id'], amount)
def test_addfunds_from_block(self):
"""Send funds to the daemon without telling it explicitly
"""