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// SPDX-License-Identifier: MIT
pragma solidity 0.8.28;

import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";

/*
 * A Mocker contract that returns multiplied answer every X blocks as set by values
 */
contract ChainlinkPriceFeedMock is AggregatorV3Interface {
  // mocked values returned by contract:
  uint80 internal s_roundId;
  int256 internal s_answer;
  uint256 internal s_startedAt;
  uint256 internal s_updatedAt;
  uint80 internal s_answeredInRound;

  // stepChange - added to base value multiplied by ( blocks changed / stepBlocks) to set a pace to change.
  int256 internal s_stepChange;
  // stepBlocks - sets the pace of value change, the amounts of blocks between every change applied to value.
  uint256 internal s_stepBlocks;
  // block - the block at the last time the values were changed, where we start the count from.
  uint256 internal s_block;

  constructor(
    uint80 roundId,
    int256 answer,
    uint256 startedAt,
    uint256 updatedAt,
    uint80 answeredInRound,
    int256 stepChange,
    uint256 stepBlocks
  ) public {
    s_roundId = roundId;
    s_answer = answer;
    s_startedAt = startedAt;
    s_updatedAt = updatedAt;
    s_answeredInRound = answeredInRound;
    s_stepChange = stepChange;
    s_stepBlocks = stepBlocks;
    s_block = block.number;
  }

  // Used to modoify mocking values
  function setValues(
    uint80 roundId,
    int256 answer,
    uint256 startedAt,
    uint256 updatedAt,
    uint80 answeredInRound,
    int256 stepChange,
    uint256 stepBlocks
  ) public {
    s_roundId = roundId;
    s_answer = answer;
    s_startedAt = startedAt;
    s_updatedAt = updatedAt;
    s_answeredInRound = answeredInRound;
    s_stepChange = stepChange;
    s_stepBlocks = stepBlocks;
    s_block = block.number;
  }

  /*
     Implement AggregatorV3Interface:
    */
  function decimals() public pure override returns (uint8) {
    return 0;
  }

  function description() public pure override returns (string memory) {
    return "voltaile value aggregator mocker";
  }

  function version() public pure override returns (uint256) {
    return 0;
  }

  function getRoundData(
    uint80 _roundId
  ) public view override returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound) {
    int256 direction = 1;
    bool NegativeCycle = ((block.number - s_block) % (2 * s_stepBlocks)) > s_stepBlocks;
    if (NegativeCycle) {
      direction = -1;
    }

    int256 pace = 0;
    if (s_stepBlocks != 0) {
      pace = int256(((block.number - s_block) / s_stepBlocks));
    }
    int256 mocked_answer = s_answer + direction * s_stepChange * pace;
    return (_roundId, mocked_answer, s_startedAt, s_updatedAt, s_answeredInRound);
  }

  function latestRoundData()
    public
    view
    override
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)
  {
    int256 mocked_answer = s_answer;
    if (s_stepBlocks != 0) {
      mocked_answer = s_answer + s_stepChange * int256(((block.number - s_block) / s_stepBlocks));
    }
    return (s_roundId, mocked_answer, s_startedAt, s_updatedAt, s_answeredInRound);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

{
  "remappings": [
    "@aave/=node_modules/@aave/",
    "@account-abstraction/=node_modules/@account-abstraction/",
    "@chainlink/=node_modules/@chainlink/",
    "@eth-optimism/=node_modules/@chainlink/contracts/node_modules/@eth-optimism/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@uniswap/=node_modules/@uniswap/",
    "base64-sol/=node_modules/base64-sol/",
    "ds-test/=lib/ds-test/",
    "eth-gas-reporter/=node_modules/eth-gas-reporter/",
    "forge-std/=lib/forge-std/src/",
    "hardhat/=node_modules/hardhat/",
    "solidity-bytes-utils/=node_modules/solidity-bytes-utils/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "solmate/=lib/solmate/src/",
    "abdk-libraries-solidity/=node_modules/abdk-libraries-solidity/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": true,
  "libraries": {}
}

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[{"inputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"},{"internalType":"int256","name":"stepChange","type":"int256"},{"internalType":"uint256","name":"stepBlocks","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"description","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint80","name":"_roundId","type":"uint80"}],"name":"getRoundData","outputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRoundData","outputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"},{"internalType":"int256","name":"stepChange","type":"int256"},{"internalType":"uint256","name":"stepBlocks","type":"uint256"}],"name":"setValues","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"}]

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