{
  "title": "AToken: interest rate redirection negative test cases",
  "description": "Test cases for the aToken interest rate redirection.",
  "stories": [
    {
      "description": "User 0 deposits 1000 DAI, tries to give allowance to redirect interest to himself (revert expected)",
      "actions": [
        {
          "name": "mint",
          "args": {
            "reserve": "DAI",
            "amount": "1000",
            "user": "0"
          },
          "expected": "success"
        },
        {
          "name": "approve",
          "args": {
            "reserve": "DAI",
            "user": "0"
          },
          "expected": "success"
        },
        {
          "name": "deposit",
          "args": {
            "reserve": "DAI",
            "amount": "1000",
            "user": "0"
          },
          "expected": "success"
        },
        {
          "name": "allowInterestRedirectionTo",
          "args": {
            "reserve": "DAI",
            "user": "0",
            "to": "0"
          },
          "expected": "revert",
          "revertMessage": "User cannot give allowance to himself"
        }
      ]
    },
    {
      "description": "User 1 tries to redirect the interest of user 0 without allowance (revert expected)",
      "actions": [
        {
          "name": "redirectInterestStreamOf",
          "args": {
            "reserve": "DAI",
            "user": "1",
            "from": "0",
            "to": "2"
          },
          "expected": "revert",
          "revertMessage": "Caller is not allowed to redirect the interest of the user"
        }
      ]
    },
    {
      "description": "User 0 tries to redirect the interest to user 2 twice (revert expected)",
      "actions": [
        {
          "name": "redirectInterestStream",
          "args": {
            "reserve": "DAI",
            "user": "0",
            "to": "2"
          },
          "expected": "success"
        },
        {
          "name": "redirectInterestStream",
          "args": {
            "reserve": "DAI",
            "user": "0",
            "to": "2"
          },
          "expected": "revert",
          "revertMessage": "Interest is already redirected to the user"
        }
      ]
    },
    {
      "description": "User 3 with 0 balance tries to redirect the interest to user 2 (revert expected)",
      "actions": [
        {
          "name": "redirectInterestStream",
          "args": {
            "reserve": "DAI",
            "user": "3",
            "to": "2"
          },
          "expected": "revert",
          "revertMessage" : "Interest stream can only be redirected if there is a valid balance"
        }
      ]
    }
  ]
}