{
    "Function": "shiftTick",
    "File": "contracts/GeVault.sol",
    "Parent Contracts": [
        "contracts/openzeppelin-solidity/contracts/security/ReentrancyGuard.sol",
        "contracts/openzeppelin-solidity/contracts/access/Ownable.sol",
        "contracts/openzeppelin-solidity/contracts/token/ERC20/ERC20.sol",
        "contracts/openzeppelin-solidity/contracts/token/ERC20/extensions/IERC20Metadata.sol",
        "contracts/openzeppelin-solidity/contracts/token/ERC20/IERC20.sol",
        "contracts/openzeppelin-solidity/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "TokenisableRange",
        "TokenisableRange",
        "TokenisableRange",
        "TokenisableRange",
        "TokenisableRange",
        "TokenisableRange"
    ],
    "Internal Calls": [
        "onlyOwner",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function shiftTick(address tr) public onlyOwner {\n    TokenisableRange t = TokenisableRange(tr);\n    (ERC20 t0,) = t.TOKEN0();\n    (ERC20 t1,) = t.TOKEN1();\n    require(t0 == token0 && t1 == token1, \"GEV: Invalid TR\");\n    if (ticks.length == 0) ticks.push(t);\n    else {\n      // Check that tick is properly ordered\n      if (!baseTokenIsToken0) \n        require( t.lowerTick() > ticks[0].upperTick(), \"GEV: Shift Tick Overlap\");\n      else \n        require( t.upperTick() < ticks[0].lowerTick(), \"GEV: Shift Tick Overlap\");\n      \n      // extend array by pushing last elt\n      ticks.push(ticks[ticks.length-1]);\n      // shift each element\n      if (ticks.length > 2){\n        for (uint k = 0; k < ticks.length - 2; k++) \n          ticks[ticks.length - 2 - k] = ticks[ticks.length - 3 - k];\n        }\n      // add new tick in first place\n      ticks[0] = t;\n    }\n    emit ShiftTick(tr);\n  }"
}