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How can I test (truffle test or development console) the following:

await nft.transferFrom(accounts[0], accounts[1], 1); 
await nft.transferFrom(accounts[1], accounts[0],1);

The second line throws

ERC721: transfer caller is not owner nor approved

If I change to

await nft.transferFrom(accounts[1], accounts[0],1,{from: accounts[1]});

the following exception is thrown:

Ownable: caller is not the owner

How can I test a transfer from another account then accounts[0]?

1 Answer 1

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Truffle supports optional parameters for all calls. You can see them at least here (even if this is for the default parameters, it's valid for any call): https://github.com/trufflesuite/truffle/tree/master/packages/contract#mycontractdefaultsnew_defaults

So you can just an extra parameter from, like this: await nft.transferFrom(accounts[0], accounts[1], 1, { from: accounts[1] });

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  • Thank you very much @Lauri for your answer. If I use await nft.transferFrom(accounts[1], accounts[0],1,{from: accounts[1]});I get Ownable: caller is not the owner. Please see in my question above.
    – user66732
    Mar 2, 2021 at 11:59
  • Sorry. Your solution works perfect! Thank you very much, Lauri!
    – user66732
    Mar 3, 2021 at 10:02

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