How to test with Mocha and Chai that a call at the kill() function of a Smart Contract (i.e., which does the selfdestruct) has gone right?
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1you can emit an event an check it in the test or call a function after selfdestruct and check for exception – Badr Bellaj♦ Jul 13 '18 at 8:25
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I tried to catch the exception with github.com/OpenZeppelin/openzeppelin-solidity/blob/master/test/…, but when I try to call a function (after the kill function) i got 'Error: Attempting to run transaction which calls a contract function, but recipient address 0x345ca3e014aaf5dca488057592ee47305d9b3e10 is not a contract address' – Bruce Wayne Jul 13 '18 at 9:03
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as the contract is destructed you can no more call its functions hence the exception – Badr Bellaj♦ Jul 13 '18 at 10:13
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You can confirm that the bytecode has been zeroed out. Use the web3.eth.getCode(yourContractAddress) explained here.
- before
selfdestruct, you get the proper code, like0x6040... - after
selfdestruct, you get0x
Of course, as mentioned by Ignacio and Badr, you can, and should, also test that the side actions have been executed correctly:
- the expected event was emitted
- the correct recipient received the balance
answered Aug 6 '18 at 10:01
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You can check if the funds of the contract have been sent to the given address.
