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How do I get event log information from pyethereum?
edmundedgar
Member Posts: 19 ✭✭
So I've got some tests that create contracts with pyethereum and do various things with them, but I'm puzzled over how to get information about events they log.
A simplified example:
I run this and get:
That json that's getting printed is the information I want, but can someone explain, or point me to an example, of how I might capture it and load it into a variable in python so that I can check it and do something with it? There seems to be something called log_listener that you can pass into abi_contract that looks like it's related but I couldn't figure out what to do with it.
A simplified example:
from ethereum import tester as t
s = t.state()
code = """contract LogTest {
event LogMyNumber(uint);
function LogTest() {
}
function logSomething() {
LogMyNumber(4);
}
}"""
logtest = t.state().abi_contract(code, language='solidity', sender=t.k0)
logtest.logSomething()
#number_i_logged = WHAT DO I DO HERE?
#print "You logged the number %d" % (number_i_logged)
I run this and get:
No handlers could be found for logger "eth.pow"
{'': 4, '_event_type': 'LogMyNumber'}
That json that's getting printed is the information I want, but can someone explain, or point me to an example, of how I might capture it and load it into a variable in python so that I can check it and do something with it? There seems to be something called log_listener that you can pass into abi_contract that looks like it's related but I couldn't figure out what to do with it.
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