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[tests] Add generate method to TestNode

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Adds a generate() method to the TestNode class in the test framework.
This method intercepts calls to generate, imports a dewterministic
private key to the node and then calls generatetoaddress to generate the
block to that address.

Note that repeated calls to importprivkey for the same private keys are
no-ops, so it's fine to call the generate() method many times.
This commit is contained in:
John Newbery 2018-10-05 16:51:10 +09:00
parent c269209336
commit aab81720de
1 changed files with 19 additions and 0 deletions
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19
test/functional/test_framework/test_node.py
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@ -197,6 +197,25 @@ class TestNode():
time.sleep(1.0 / poll_per_s)
self._raise_assertion_error("Unable to connect to bitcoind")
def generate(self, nblocks, maxtries=1000000):
self.log.debug("TestNode.generate() dispatches `generate` call to `generatetoaddress`")
# Try to import the node's deterministic private key. This is a no-op if the private key
# has already been imported.
try:
self.rpc.importprivkey(privkey=self.get_deterministic_priv_key().key, label='coinbase', rescan=False)
except JSONRPCException as e:
# This may fail if:
# - wallet is disabled ('Method not found')
# - there are multiple wallets to import to ('Wallet file not specified')
# - wallet is locked ('Error: Please enter the wallet passphrase with walletpassphrase first')
# Just ignore those errors. We can make this tidier by importing the privkey during TestFramework.setup_nodes
# TODO: tidy up deterministic privkey import.
assert str(e).startswith('Method not found') or \
str(e).startswith('Wallet file not specified') or \
str(e).startswith('Error: Please enter the wallet passphrase with walletpassphrase first')
return self.generatetoaddress(nblocks=nblocks, address=self.get_deterministic_priv_key().address, maxtries=maxtries)
def get_wallet_rpc(self, wallet_name):
if self.use_cli:
return self.cli("-rpcwallet={}".format(wallet_name))