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I want to test my truffle contract with multiple msg.sender addresses. Like "the first user sell token, the second user buys this token". For one address I simply write something like contract.buy.value(10 wei)();. But where I could get another address and how to send money from him?

I write my tests on solidity, not on javascript.

  • Consider writing your tests in Javascript. – goodvibration Sep 2 '18 at 7:41
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I am not sure if this is possible, but you can use beforeAll/beforeEach hooks in Solidity tests to get the contract to desired state before testing.

So for your example, you add a before hook and manually set the state as if contract.buy.value(10 wei)(); was called by another account beforehand.

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Yes you can, do your test in Javascript.

In your test you can initialize it like this:

const MyContract = artifacts.require('MyContract');

contract('MyContract', accounts => {
  const owner = accounts[0];
  const alice = accounts[1];
  const bob = accounts[2];

  it('should do something', async () => {
    const contract = await MyContract.deployed();
    await contract.buy(price, data, { from: alice });
    await contract.buy(price, data, { from: bob });
    assert.equal(...);
  });
});

Notice the accounts variable. Hope this helps.

  • He specifically said he's writing his tests in Solidity, not JavaScript – Lauri Peltonen Sep 2 '18 at 16:29
  • Yes but just with Solidity it's not possible that I'm aware of. Just giving another approach. – Olivers De Abreu Sep 2 '18 at 22:03

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