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cic-stack/apps/cic-eth/tests/testdata/bancor/ConverterUpgrader.json

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{
"contractName": "ConverterUpgrader",
"abi": [
{
"inputs": [
{
"internalType": "contract IContractRegistry",
"name": "_registry",
"type": "address"
},
{
"internalType": "contract IEtherToken",
"name": "_etherToken",
"type": "address"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "contract IConverter",
"name": "_converter",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "_owner",
"type": "address"
}
],
"name": "ConverterOwned",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "_oldConverter",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "_newConverter",
"type": "address"
}
],
"name": "ConverterUpgrade",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "_prevOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "_newOwner",
"type": "address"
}
],
"name": "OwnerUpdate",
"type": "event"
},
{
"inputs": [],
"name": "acceptOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "etherToken",
"outputs": [
{
"internalType": "contract IEtherToken",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "newOwner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "onlyOwnerCanUpdateRegistry",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "prevRegistry",
"outputs": [
{
"internalType": "contract IContractRegistry",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "registry",
"outputs": [
{
"internalType": "contract IContractRegistry",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "restoreRegistry",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bool",
"name": "_onlyOwnerCanUpdateRegistry",
"type": "bool"
}
],
"name": "restrictRegistryUpdate",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "updateRegistry",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint16",
"name": "_version",
"type": "uint16"
}
],
"name": "upgrade",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "_version",
"type": "bytes32"
}
],
"name": "upgrade",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "contract IConverter",
"name": "_converter",
"type": "address"
},
{
"internalType": "bytes32",
"name": "_version",
"type": "bytes32"
}
],
"name": "upgradeOld",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
],
"metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"contract IContractRegistry\",\"name\":\"_registry\",\"type\":\"address\"},{\"internalType\":\"contract IEtherToken\",\"name\":\"_etherToken\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"contract IConverter\",\"name\":\"_converter\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_owner\",\"type\":\"address\"}],\"name\":\"ConverterOwned\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_oldConverter\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newConverter\",\"type\":\"address\"}],\"name\":\"ConverterUpgrade\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_prevOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"OwnerUpdate\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"acceptOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"etherToken\",\"outputs\":[{\"internalType\":\"contract IEtherToken\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"newOwner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"onlyOwnerCanUpdateRegistry\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"prevRegistry\",\"outputs\":[{\"internalType\":\"contract IContractRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"registry\",\"outputs\":[{\"internalType\":\"contract IContractRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"restoreRegistry\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bool\",\"name\":\"_onlyOwnerCanUpdateRegistry\",\"type\":\"bool\"}],\"name\":\"restrictRegistryUpdate\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"updateRegistry\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint16\",\"name\":\"_version\",\"type\":\"uint16\"}],\"name\":\"upgrade\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_version\",\"type\":\"bytes32\"}],\"name\":\"upgrade\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IConverter\",\"name\":\"_converter\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"_version\",\"type\":\"bytes32\"}],\"name\":\"upgradeOld\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Converter Upgrader The converter upgrader contract allows upgrading an older converter contract (0.4 and up) to the latest version. To begin the upgrade process, simply execute the 'upgrade' function. At the end of the process, the ownership of the newly upgraded converter will be transferred back to the original owner and the original owner will need to execute the 'acceptOwnership' function. The address of the new converter is available in the ConverterUpgrade event. Note that for older converters that don't yet have the 'upgrade' function, ownership should first be transferred manually to the ConverterUpgrader contract using the 'transferOwnership' function and then the upgrader 'upgrade' function should be executed directly.\",\"events\":{\"ConverterOwned(address,address)\":{\"details\":\"triggered when the contract accept a converter ownership\",\"params\":{\"_converter\":\"converter address\",\"_owner\":\"new owner - local upgrader address\"}},\"ConverterUpgrade(address,address)\":{\"details\":\"triggered when the upgrading process is done\",\"params\":{\"_newConverter\":\"new converter address\",\"_oldConverter\":\"old converter address\"}}},\"kind\":\"dev\",\"methods\":{\"acceptOwnership()\":{\"details\":\"used by a new owner to accept an ownership transfer\"},\"constructor\":{\"details\":\"initializes a new ConverterUpgrader instance\",\"params\":{\"_registry\":\"address of a contract registry contract\"}},\"restoreRegistry()\":{\"details\":\"restores the previous contract-registry\"},\"restrictRegistryUpdate(bool)\":{\"details\":\"restricts the permission to update the contract-registry\",\"params\":{\"_onlyOwnerCanUpdateRegistry\":\"indicates whether or not permission is restricted to owner only\"}},\"transferOwnership(address)\":{\"details\":\"allows transferring the contract ownership the new owner still needs to accept the transfer can only be called by the contract owner\",\"params\":{\"_newOwner\":\"new contract owner\"}},\"updateRegistry()\":{\"details\":\"updates to the new contract-registry\"},\"upgrade(bytes32)\":{\"details\":\"upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success. can only be called by a converter\",\"params\":{\"_version\":\"old converter version\"}},\"upgrade(uint16)\":{\"details\":\"upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success. can only be called by a converter\",\"params\":{\"_version\":\"old converter version\"}},\"upgradeOld(address,bytes32)\":{\"details\":\"upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success.\",\"params\":{\"_converter\":\"old converter contract address\",\"_version\":\"old converter version\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/ConverterUpgrader.sol\":\"ConverterUpgrader\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/ConverterUpgrader.sol\":{\"keccak256\":\"0x323711379e7fb617613e4260e5e04f745103cbcda30ff8d61ec29529b99d7526\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://770228b2605de3fe44710a54e9ab5116e58e652e9be23c3d0fecb82c7171b6a5\",\"dweb:/ipfs/QmWpJzUtG9Kpq39tFQ6K6pmk69H5HhYamiJAwKSRdcmCPL\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverter.sol\":{\"keccak256\":\"0x18b0d73a3d5ee951ede1b3f840ed35b40570e34975703079a4451555f4dd089b\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://1cd7263f1ef60793e3929509150420037df9a1194c3d0f40bb2ff5516d6a373f\",\"dweb:/ipfs/QmNUbsZt2rzWPjStYycgz3vMbNP4VrAqZPRAK39QNqUoos\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverterAnchor.sol\":{\"keccak256\":\"0x9448cdbe90293fb5c1a0808b77af8754a1025b59c45f432eee01f659361a6115\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://1ef2bb2e1543c9324daf7f3fd086a57efb45b89f3d62b9d7a9fc78c138d24dbc\",\"dweb:/ipfs/QmVcXDib3K6xYJMBNxawmo4krJGiDfxb5oL64Lc3pi14XK\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverterFactory.sol\":{\"keccak256\":\"0x40a8b6a5dd24f48b0c51c9f784c2e5df5afbadad9459873c25163f13f68c99dd\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://6ad87f96e9e812869d79396d3415f89fabd1f068861f1c5c92bac09898938070\",\"dweb:/ipfs/QmaHUVyRsjUrQNtWnRhSnfPXMbwnFgpNwZvL9BMC5Xxagb\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/IConverterUpgrader.sol\":{\"keccak256\":\"0x456faf61358bfd76498892509cc99f9729f310c9450e28b0d03b5e7cd9752802\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://01f7b3f24cc895a948ea44f8e067d312b55ef1e9cf491908f3fb948d02b914da\",\"dweb:/ipfs/QmfSwZrWFWmT8xeX3iwSq75Vs8pQaQBGkmxJEHehUiPP1N\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/interfaces/ITypedConverterCustomFactory.sol\":{\"keccak256\":\"0xe9e91f22d45e1c39dd441bed511d5fa6acffe83910f42ea7abcfd300f59daaaf\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://621881bd2a74632b697d87e4c3253142f8758364122240d5cc18826b18bfef80\",\"dweb:/ipfs/QmcTPevgXAYM7Li4r3rKn8uqRF2hWpid2uNBwymysYjLWp\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/converter/types/liquidity-pool-v2/interfaces/ILiquidityPoolV2Converter.sol\":{\"keccak256\":\"0x2420b67eec33085ab879f4962fc0b98d14ae227f2afccc85308e6333ca1b49fd\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://074f808b01138b47d823eff0a15512005144cab48f450ff35ee41cb36adab3e5\",\"dweb:/ipfs/QmS2hpadJLAJCCavW7Gq8TTo8AUEJgqCe1BSFFUQ2MvGiW\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IERC20Token.sol\":{\"keccak256\":\"0xe6f988c3156e88258474526a541d5a42b6a9adae98b04177a059d9f723bc82cd\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9a6eb77a5b9ce70995a11a6e48ac3985a4c70896fe5fe04d46146ad7c1c83ea3\",\"dweb:/ipfs/QmYvGSveZFG51tghwkVuu6eK9Jy8frHpfLxHTMyvNZN461\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IEtherToken.sol\":{\"keccak256\":\"0x6ed324da616d70af0b21fa073b1e5329b430e38b470177633a69710eff3da893\",\"license\":\"SEE LICENSE IN 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"source": "// SPDX-License-Identifier: SEE LICENSE IN LICENSE\r\npragma solidity 0.6.12;\r\nimport \"./interfaces/IConverter.sol\";\r\nimport \"./interfaces/IConverterUpgrader.sol\";\r\nimport \"./interfaces/IConverterFactory.sol\";\r\nimport \"../utility/ContractRegistryClient.sol\";\r\nimport \"../utility/interfaces/IWhitelist.sol\";\r\nimport \"../token/interfaces/IEtherToken.sol\";\r\nimport \"./types/liquidity-pool-v2/interfaces/ILiquidityPoolV2Converter.sol\";\r\n\r\n/**\r\n * @dev Converter Upgrader\r\n *\r\n * The converter upgrader contract allows upgrading an older converter contract (0.4 and up)\r\n * to the latest version.\r\n * To begin the upgrade process, simply execute the 'upgrade' function.\r\n * At the end of the process, the ownership of the newly upgraded converter will be transferred\r\n * back to the original owner and the original owner will need to execute the 'acceptOwnership' function.\r\n *\r\n * The address of the new converter is available in the ConverterUpgrade event.\r\n *\r\n * Note that for older converters that don't yet have the 'upgrade' function, ownership should first\r\n * be transferred manually to the ConverterUpgrader contract using the 'transferOwnership' function\r\n * and then the upgrader 'upgrade' function should be executed directly.\r\n*/\r\ncontract ConverterUpgrader is IConverterUpgrader, ContractRegistryClient {\r\n IERC20Token private constant ETH_RESERVE_ADDRESS = IERC20Token(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);\r\n IEtherToken public etherToken;\r\n\r\n /**\r\n * @dev triggered when the contract accept a converter ownership\r\n *\r\n * @param _converter converter address\r\n * @param _owner new owner - local upgrader address\r\n */\r\n event ConverterOwned(IConverter indexed _converter, address indexed _owner);\r\n\r\n /**\r\n * @dev triggered when the upgrading process is done\r\n *\r\n * @param _oldConverter old converter address\r\n * @param _newConverter new converter address\r\n */\r\n event ConverterUpgrade(address indexed _oldConverter, address indexed _newConverter);\r\n\r\n /**\r\n * @dev initializes a new ConverterUpgrader instance\r\n *\r\n * @param _registry address of a contract registry contract\r\n */\r\n constructor(IContractRegistry _registry, IEtherToken _etherToken) ContractRegistryClient(_registry) public {\r\n etherToken = _etherToken;\r\n }\r\n\r\n /**\r\n * @dev upgrades an old converter to the latest version\r\n * will throw if ownership wasn't transferred to the upgrader before calling this function.\r\n * ownership of the new converter will be transferred back to the original owner.\r\n * fires the ConverterUpgrade event upon success.\r\n * can only be called by a converter\r\n *\r\n * @param _version old converter version\r\n */\r\n function upgrade(bytes32 _version) public override {\r\n upgradeOld(IConverter(msg.sender), _version);\r\n }\r\n\r\n /**\r\n * @dev upgrades an old converter to the latest version\r\n * will throw if ownership wasn't transferred to the upgrader before calling this function.\r\n * ownership of the new converter will be transferred back to the original owner.\r\n * fires the ConverterUpgrade event upon success.\r\n * can only be called by a converter\r\n *\r\n * @param _version old converter version\r\n */\r\n function upgrade(uint16 _version) public override {\r\n upgradeOld(IConverter(msg.sender), bytes32(uint256(_version)));\r\n }\r\n\r\n /**\r\n * @dev upgrades an old converter to the latest version\r\n * will throw if ownership wasn't transferred to the upgrader before calling this function.\r\n * ownership of the new converter will be transferred back to the original owner.\r\n * fires the ConverterUpgrade event upon success.\r\n *\r\n * @param _converter old converter contract address\r\n * @param _version old converter version\r\n */\r\n function upgradeOld(IConverter _converter, bytes32 _version) public {\r\n _version;\r\n IConverter converter = IConverter(_converter);\r\n address prevOwner 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contract then needs to accept the ownership transfer before initiating\r\n * the upgrade process.\r\n * fires the ConverterOwned event upon success\r\n *\r\n * @param _oldConverter converter to accept ownership of\r\n */\r\n function acceptConverterOwnership(IConverter _oldConverter) private {\r\n _oldConverter.acceptOwnership();\r\n emit ConverterOwned(_oldConverter, address(this));\r\n }\r\n\r\n /**\r\n * @dev creates a new converter with same basic data as the original old converter\r\n * the newly created converter will have no reserves at this step.\r\n *\r\n * @param _oldConverter old converter contract address\r\n *\r\n * @return the new converter new converter contract address\r\n */\r\n function createConverter(IConverter _oldConverter) private returns (IConverter) {\r\n IConverterAnchor anchor = _oldConverter.token();\r\n uint32 maxConversionFee = _oldConverter.maxConversionFee();\r\n uint16 reserveTokenCount = _oldConverter.connectorTokenCount();\r\n\r\n // determine new 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uint32 conversionFee = _oldConverter.conversionFee();\r\n _newConverter.setConversionFee(conversionFee);\r\n }\r\n\r\n /**\r\n * @dev transfers the balance of each reserve in the old converter to the new one.\r\n * note that the function assumes that the new converter already has the exact same number of\r\n * also, this will not work for an unlimited number of reserves due to block gas limit constraints.\r\n *\r\n * @param _oldConverter old converter contract address\r\n * @param _newConverter new converter contract address\r\n */\r\n function transferReserveBalances(IConverter _oldConverter, IConverter _newConverter) private {\r\n uint256 reserveBalance;\r\n uint16 reserveTokenCount = _oldConverter.connectorTokenCount();\r\n\r\n for (uint16 i = 0; i < reserveTokenCount; i++) {\r\n IERC20Token reserveAddress = _oldConverter.connectorTokens(i);\r\n // Ether reserve\r\n if (reserveAddress == ETH_RESERVE_ADDRESS) {\r\n _oldConverter.withdrawETH(address(_newConverter));\r\n }\r\n // Ether reserve token\r\n else if (reserveAddress == etherToken) {\r\n reserveBalance = etherToken.balanceOf(address(_oldConverter));\r\n _oldConverter.withdrawTokens(etherToken, address(this), reserveBalance);\r\n etherToken.withdrawTo(address(_newConverter), reserveBalance);\r\n }\r\n // ERC20 reserve token\r\n else {\r\n IERC20Token connector = reserveAddress;\r\n reserveBalance = connector.balanceOf(address(_oldConverter));\r\n _oldConverter.withdrawTokens(connector, address(_newConverter), reserveBalance);\r\n }\r\n }\r\n }\r\n\r\n /**\r\n * @dev handles upgrading custom (type specific) data from the old converter to the new one\r\n *\r\n * @param _oldConverter old converter contract address\r\n * @param _newConverter new converter contract address\r\n * @param _activate activate the new converter\r\n */\r\n function handleTypeSpecificData(IConverter _oldConverter, IConverter _newConverter, bool _activate) private {\r\n if (!isV28OrHigherConverter(_oldConverter))\r\n return;\r\n\r\n uint16 converterType = _oldConverter.converterType();\r\n if (converterType == 2) {\r\n ILiquidityPoolV2Converter oldConverter = ILiquidityPoolV2Converter(address(_oldConverter));\r\n ILiquidityPoolV2Converter newConverter = ILiquidityPoolV2Converter(address(_newConverter));\r\n\r\n uint16 reserveTokenCount = oldConverter.connectorTokenCount();\r\n for (uint16 i = 0; i < reserveTokenCount; i++) {\r\n // copy reserve staked balance\r\n IERC20Token reserveTokenAddress = oldConverter.connectorTokens(i);\r\n uint256 balance = oldConverter.reserveStakedBalance(reserveTokenAddress);\r\n newConverter.setReserveStakedBalance(reserveTokenAddress, balance);\r\n }\r\n\r\n if (!_activate) {\r\n return;\r\n }\r\n\r\n // get the primary reserve token\r\n IERC20Token primaryReserveToken = oldConverter.primaryReserveToken();\r\n\r\n // get the chainlink price oracles\r\n IPriceOracle priceOracle = oldConverter.priceOracle();\r\n IChainlinkPriceOracle oracleA = priceOracle.tokenAOracle();\r\n IChainlinkPriceOracle oracleB = priceOracle.tokenBOracle();\r\n\r\n // activate the new converter\r\n newConverter.activate(primaryReserveToken, oracleA, oracleB);\r\n }\r\n }\r\n\r\n bytes4 private constant IS_V28_OR_HIGHER_FUNC_SELECTOR = bytes4(keccak256(\"isV28OrHigher()\"));\r\n\r\n // using a static call to identify converter version\r\n // can't rely on the version number since the function had a different signature in older converters\r\n function isV28OrHigherConverter(IConverter _converter) internal view returns (bool) {\r\n bytes memory data = abi.encodeWithSelector(IS_V28_OR_HIGHER_FUNC_SELECTOR);\r\n (bool success, bytes memory returnData) = address(_converter).staticcall{ gas: 4000 }(data);\r\n\r\n if (success && returnData.length == 32) {\r\n return abi.decode(returnData, (bool));\r\n }\r\n\r\n return false;\r\n }\r\n}\r\n",
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"typeString": "type(bytes4)"
},
"typeName": {
"id": 12955,
"name": "bytes4",
"nodeType": "ElementaryTypeName",
"src": "12193:6:12",
"typeDescriptions": {
"typeIdentifier": null,
"typeString": null
}
}
},
"id": 12960,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "typeConversion",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "12193:36:12",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_bytes4",
"typeString": "bytes4"
}
},
"visibility": "private"
},
{
"body": {
"id": 13007,
"nodeType": "Block",
"src": "12486:336:12",
"statements": [
{
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12969
],
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{
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"id": 12969,
"mutability": "mutable",
"name": "data",
"nodeType": "VariableDeclaration",
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"scope": 13007,
"src": "12497:17:12",
"stateVariable": false,
"storageLocation": "memory",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes"
},
"typeName": {
"id": 12968,
"name": "bytes",
"nodeType": "ElementaryTypeName",
"src": "12497:5:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes_storage_ptr",
"typeString": "bytes"
}
},
"value": null,
"visibility": "internal"
}
],
"id": 12974,
"initialValue": {
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"arguments": [
{
"argumentTypes": null,
"id": 12972,
"name": "IS_V28_OR_HIGHER_FUNC_SELECTOR",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12961,
"src": "12540:30:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes4",
"typeString": "bytes4"
}
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bytes4",
"typeString": "bytes4"
}
],
"expression": {
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"id": 12970,
"name": "abi",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": -1,
"src": "12517:3:12",
"typeDescriptions": {
"typeIdentifier": "t_magic_abi",
"typeString": "abi"
}
},
"id": 12971,
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"memberName": "encodeWithSelector",
"nodeType": "MemberAccess",
"referencedDeclaration": null,
"src": "12517:22:12",
"typeDescriptions": {
"typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$",
"typeString": "function (bytes4) pure returns (bytes memory)"
}
},
"id": 12973,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
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"src": "12517:54:12",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
},
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"src": "12497:74:12"
},
{
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12976,
12978
],
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{
"constant": false,
"id": 12976,
"mutability": "mutable",
"name": "success",
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"scope": 13007,
"src": "12583:12:12",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"typeName": {
"id": 12975,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "12583:4:12",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"value": null,
"visibility": "internal"
},
{
"constant": false,
"id": 12978,
"mutability": "mutable",
"name": "returnData",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 13007,
"src": "12597:23:12",
"stateVariable": false,
"storageLocation": "memory",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes"
},
"typeName": {
"id": 12977,
"name": "bytes",
"nodeType": "ElementaryTypeName",
"src": "12597:5:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes_storage_ptr",
"typeString": "bytes"
}
},
"value": null,
"visibility": "internal"
}
],
"id": 12988,
"initialValue": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"id": 12986,
"name": "data",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12969,
"src": "12668:4:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
],
"expression": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"id": 12981,
"name": "_converter",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12963,
"src": "12632:10:12",
"typeDescriptions": {
"typeIdentifier": "t_contract$_IConverter_$13340",
"typeString": "contract IConverter"
}
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_contract$_IConverter_$13340",
"typeString": "contract IConverter"
}
],
"id": 12980,
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"nodeType": "ElementaryTypeNameExpression",
"src": "12624:7:12",
"typeDescriptions": {
"typeIdentifier": "t_type$_t_address_$",
"typeString": "type(address)"
},
"typeName": {
"id": 12979,
"name": "address",
"nodeType": "ElementaryTypeName",
"src": "12624:7:12",
"typeDescriptions": {
"typeIdentifier": null,
"typeString": null
}
}
},
"id": 12982,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "typeConversion",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "12624:19:12",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_address_payable",
"typeString": "address payable"
}
},
"id": 12983,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"memberName": "staticcall",
"nodeType": "MemberAccess",
"referencedDeclaration": null,
"src": "12624:30:12",
"typeDescriptions": {
"typeIdentifier": "t_function_barestaticcall_view$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$",
"typeString": "function (bytes memory) view returns (bool,bytes memory)"
}
},
"id": 12985,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"names": [
"gas"
],
"nodeType": "FunctionCallOptions",
"options": [
{
"argumentTypes": null,
"hexValue": "34303030",
"id": 12984,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "number",
"lValueRequested": false,
"nodeType": "Literal",
"src": "12661:4:12",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_rational_4000_by_1",
"typeString": "int_const 4000"
},
"value": "4000"
}
],
"src": "12624:43:12",
"typeDescriptions": {
"typeIdentifier": "t_function_barestaticcall_view$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$gas",
"typeString": "function (bytes memory) view returns (bool,bytes memory)"
}
},
"id": 12987,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "12624:49:12",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$",
"typeString": "tuple(bool,bytes memory)"
}
},
"nodeType": "VariableDeclarationStatement",
"src": "12582:91:12"
},
{
"condition": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"id": 12994,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftExpression": {
"argumentTypes": null,
"id": 12989,
"name": "success",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12976,
"src": "12690:7:12",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"nodeType": "BinaryOperation",
"operator": "&&",
"rightExpression": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
},
"id": 12993,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftExpression": {
"argumentTypes": null,
"expression": {
"argumentTypes": null,
"id": 12990,
"name": "returnData",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12978,
"src": "12701:10:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
},
"id": 12991,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"memberName": "length",
"nodeType": "MemberAccess",
"referencedDeclaration": null,
"src": "12701:17:12",
"typeDescriptions": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
}
},
"nodeType": "BinaryOperation",
"operator": "==",
"rightExpression": {
"argumentTypes": null,
"hexValue": "3332",
"id": 12992,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "number",
"lValueRequested": false,
"nodeType": "Literal",
"src": "12722:2:12",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_rational_32_by_1",
"typeString": "int_const 32"
},
"value": "32"
},
"src": "12701:23:12",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"src": "12690:34:12",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"falseBody": null,
"id": 13004,
"nodeType": "IfStatement",
"src": "12686:104:12",
"trueBody": {
"id": 13003,
"nodeType": "Block",
"src": "12726:64:12",
"statements": [
{
"expression": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"id": 12997,
"name": "returnData",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 12978,
"src": "12759:10:12",
"typeDescriptions": {
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
}
},
{
"argumentTypes": null,
"components": [
{
"argumentTypes": null,
"id": 12999,
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"nodeType": "ElementaryTypeNameExpression",
"src": "12772:4:12",
"typeDescriptions": {
"typeIdentifier": "t_type$_t_bool_$",
"typeString": "type(bool)"
},
"typeName": {
"id": 12998,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "12772:4:12",
"typeDescriptions": {
"typeIdentifier": null,
"typeString": null
}
}
}
],
"id": 13000,
"isConstant": false,
"isInlineArray": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"nodeType": "TupleExpression",
"src": "12771:6:12",
"typeDescriptions": {
"typeIdentifier": "t_type$_t_bool_$",
"typeString": "type(bool)"
}
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bytes_memory_ptr",
"typeString": "bytes memory"
},
{
"typeIdentifier": "t_type$_t_bool_$",
"typeString": "type(bool)"
}
],
"expression": {
"argumentTypes": null,
"id": 12995,
"name": "abi",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": -1,
"src": "12748:3:12",
"typeDescriptions": {
"typeIdentifier": "t_magic_abi",
"typeString": "abi"
}
},
"id": 12996,
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"memberName": "decode",
"nodeType": "MemberAccess",
"referencedDeclaration": null,
"src": "12748:10:12",
"typeDescriptions": {
"typeIdentifier": "t_function_abidecode_pure$__$returns$__$",
"typeString": "function () pure"
}
},
"id": 13001,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "12748:30:12",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"functionReturnParameters": 12967,
"id": 13002,
"nodeType": "Return",
"src": "12741:37:12"
}
]
}
},
{
"expression": {
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"hexValue": "66616c7365",
"id": 13005,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "12809:5:12",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"functionReturnParameters": 12967,
"id": 13006,
"nodeType": "Return",
"src": "12802:12:12"
}
]
},
"documentation": null,
"id": 13008,
"implemented": true,
"kind": "function",
"modifiers": [],
"name": "isV28OrHigherConverter",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 12964,
"nodeType": "ParameterList",
"parameters": [
{
"constant": false,
"id": 12963,
"mutability": "mutable",
"name": "_converter",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 13008,
"src": "12434:21:12",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_contract$_IConverter_$13340",
"typeString": "contract IConverter"
},
"typeName": {
"contractScope": null,
"id": 12962,
"name": "IConverter",
"nodeType": "UserDefinedTypeName",
"referencedDeclaration": 13340,
"src": "12434:10:12",
"typeDescriptions": {
"typeIdentifier": "t_contract$_IConverter_$13340",
"typeString": "contract IConverter"
}
},
"value": null,
"visibility": "internal"
}
],
"src": "12433:23:12"
},
"returnParameters": {
"id": 12967,
"nodeType": "ParameterList",
"parameters": [
{
"constant": false,
"id": 12966,
"mutability": "mutable",
"name": "",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 13008,
"src": "12480:4:12",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"typeName": {
"id": 12965,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "12480:4:12",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"value": null,
"visibility": "internal"
}
],
"src": "12479:6:12"
},
"scope": 13009,
"src": "12402:420:12",
"stateMutability": "view",
"virtual": false,
"visibility": "internal"
}
],
"scope": 13010,
"src": "1251:11574:12"
}
],
"src": "52:12775:12"
},
"compiler": {
"name": "solc",
"version": "0.6.12+commit.27d51765.Emscripten.clang"
},
"networks": {},
"schemaVersion": "3.2.3",
"updatedAt": "2020-10-20T08:24:47.737Z",
"devdoc": {
"details": "Converter Upgrader The converter upgrader contract allows upgrading an older converter contract (0.4 and up) to the latest version. To begin the upgrade process, simply execute the 'upgrade' function. At the end of the process, the ownership of the newly upgraded converter will be transferred back to the original owner and the original owner will need to execute the 'acceptOwnership' function. The address of the new converter is available in the ConverterUpgrade event. Note that for older converters that don't yet have the 'upgrade' function, ownership should first be transferred manually to the ConverterUpgrader contract using the 'transferOwnership' function and then the upgrader 'upgrade' function should be executed directly.",
"events": {
"ConverterOwned(address,address)": {
"details": "triggered when the contract accept a converter ownership",
"params": {
"_converter": "converter address",
"_owner": "new owner - local upgrader address"
}
},
"ConverterUpgrade(address,address)": {
"details": "triggered when the upgrading process is done",
"params": {
"_newConverter": "new converter address",
"_oldConverter": "old converter address"
}
}
},
"kind": "dev",
"methods": {
"acceptOwnership()": {
"details": "used by a new owner to accept an ownership transfer"
},
"constructor": {
"details": "initializes a new ConverterUpgrader instance",
"params": {
"_registry": "address of a contract registry contract"
}
},
"restoreRegistry()": {
"details": "restores the previous contract-registry"
},
"restrictRegistryUpdate(bool)": {
"details": "restricts the permission to update the contract-registry",
"params": {
"_onlyOwnerCanUpdateRegistry": "indicates whether or not permission is restricted to owner only"
}
},
"transferOwnership(address)": {
"details": "allows transferring the contract ownership the new owner still needs to accept the transfer can only be called by the contract owner",
"params": {
"_newOwner": "new contract owner"
}
},
"updateRegistry()": {
"details": "updates to the new contract-registry"
},
"upgrade(bytes32)": {
"details": "upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success. can only be called by a converter",
"params": {
"_version": "old converter version"
}
},
"upgrade(uint16)": {
"details": "upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success. can only be called by a converter",
"params": {
"_version": "old converter version"
}
},
"upgradeOld(address,bytes32)": {
"details": "upgrades an old converter to the latest version will throw if ownership wasn't transferred to the upgrader before calling this function. ownership of the new converter will be transferred back to the original owner. fires the ConverterUpgrade event upon success.",
"params": {
"_converter": "old converter contract address",
"_version": "old converter version"
}
}
},
"version": 1
},
"userdoc": {
"kind": "user",
"methods": {},
"version": 1
}
}
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