{ "contractName": "FuseStakingV2", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [], "name": "consensus", "outputs": [ { "internalType": "contract IConsensus", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "stakers", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "name": "validators", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "stateMutability": "payable", "type": "receive" }, { "inputs": [], "name": "initialize", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "stake", "outputs": [], "stateMutability": "payable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_value", "type": "uint256" } ], "name": "withdraw", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "stakeNextValidator", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_v", "type": "address" } ], "name": "addValidator", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "totalDelegated", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_validator", "type": "address" } ], "name": "removeValidator", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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"source": "pragma solidity >=0.6;\nimport \"@openzeppelin/contracts-upgradeable/proxy/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol\";\n\n// SPDX-License-Identifier: MIT\n\ninterface IConsensus {\n\t/**\n\t * @dev delegate to a validator\n\t * @param _validator the address of the validator msg.sender is delegating to\n\t */\n\tfunction delegate(address _validator) external payable;\n\n\t/**\n\t * @dev Function to be called when a delegator whishes to withdraw some of his staked funds for a validator\n\t * @param _validator the address of the validator msg.sender has delegating to\n\t * @param _amount the amount msg.sender wishes to withdraw from the contract\n\t */\n\tfunction withdraw(address _validator, uint256 _amount) external;\n\n\tfunction delegatedAmount(address _address, address _validator)\n\t\texternal\n\t\tview\n\t\treturns (uint256);\n\n\tfunction stakeAmount(address _address) external view returns (uint256);\n}\n\ncontract FuseStakingV2 is Initializable, OwnableUpgradeable {\n\tusing SafeMathUpgradeable for uint256;\n\n\tmapping(address => uint256) public stakers;\n\taddress[] public validators;\n\n\tIConsensus public consensus;\n\n\t/**\n\t * @dev initialize\n\t */\n\tfunction initialize() public initializer {\n\t\t__Ownable_init_unchained();\n\t\tconsensus = IConsensus(\n\t\t\taddress(0x3014ca10b91cb3D0AD85fEf7A3Cb95BCAc9c0f79)\n\t\t);\n\t\tvalidators.push(address(0xcb876A393F05a6677a8a029f1C6D7603B416C0A6));\n\t}\n\n\tfunction stake() public payable {\n\t\trequire(msg.value > 0, \"stake must be > 0\");\n\t\tstakeNextValidator();\n\t\tstakers[msg.sender] = stakers[msg.sender].add(msg.value);\n\t}\n\n\tfunction balanceOf(address _owner) public view returns (uint256) {\n\t\treturn stakers[_owner];\n\t}\n\n\tfunction withdraw(uint256 _value) public returns (uint256) {\n\t\tuint256 toWithdraw = _value == 0 ? stakers[msg.sender] : _value;\n\t\tuint256 toCollect = toWithdraw;\n\t\trequire(\n\t\t\ttoWithdraw > 0 && toWithdraw <= stakers[msg.sender],\n\t\t\t\"invalid withdraw amount\"\n\t\t);\n\t\tfor (uint256 i = 0; i < validators.length; i++) {\n\t\t\tuint256 cur =\n\t\t\t\tconsensus.delegatedAmount(address(this), validators[i]);\n\t\t\tif (cur == 0) continue;\n\t\t\tif (cur <= toCollect) {\n\t\t\t\tconsensus.withdraw(validators[i], cur);\n\t\t\t\ttoCollect = toCollect.sub(cur);\n\t\t\t} else {\n\t\t\t\tundelegateWithCatch(validators[i], toCollect);\n\t\t\t\ttoCollect = 0;\n\t\t\t}\n\t\t\tif (toCollect == 0) break;\n\t\t}\n\n\t\t// in case some funds where not withdrawn\n\t\tif (toWithdraw > balance()) {\n\t\t\ttoWithdraw = balance();\n\t\t}\n\n\t\tstakers[msg.sender] = stakers[msg.sender].sub(toWithdraw);\n\t\tif (toWithdraw > 0) payable(msg.sender).transfer(toWithdraw);\n\t\treturn toWithdraw;\n\t}\n\n\tfunction stakeNextValidator() public {\n\t\trequire(validators.length > 0, \"no approved validators\");\n\n\t\tuint256 min = consensus.delegatedAmount(address(this), validators[0]);\n\t\tuint256 minIdx = 0;\n\t\tfor (uint256 i = 1; i < validators.length; i++) {\n\t\t\tuint256 cur =\n\t\t\t\tconsensus.delegatedAmount(address(this), validators[i]);\n\t\t\tif (cur < min) minIdx = i;\n\t\t}\n\t\tuint256 balance = payable(address(this)).balance;\n\n\t\tconsensus.delegate{ value: balance }(validators[minIdx]);\n\t}\n\n\tfunction addValidator(address _v) public onlyOwner {\n\t\tvalidators.push(_v);\n\t}\n\n\tfunction totalDelegated() public view returns (uint256) {\n\t\tuint256 total = 0;\n\t\tfor (uint256 i = 0; i < validators.length; i++) {\n\t\t\tuint256 cur =\n\t\t\t\tconsensus.delegatedAmount(address(this), validators[i]);\n\t\t\ttotal = total.add(cur);\n\t\t}\n\t\treturn total;\n\t}\n\n\tfunction removeValidator(address _validator) public onlyOwner {\n\t\tuint256 delegated = consensus.delegatedAmount(address(this), _validator);\n\t\tif (delegated > 0) {\n\t\t\tuint256 prevBalance = balance();\n\t\t\tundelegateWithCatch(_validator, delegated);\n\n\t\t\t// wasnt withdrawn because validator needs to be taken of active validators\n\t\t\tif (balance() == prevBalance) {\n\t\t\t\t// pendingValidators.push(_validator);\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (uint256 i = 0; i < validators.length; i++) {\n\t\t\tif (validators[i] == _validator) {\n\t\t\t\tif (i < validators.length - 1)\n\t\t\t\t\tvalidators[i] = validators[validators.length - 1];\n\t\t\t\tvalidators.pop();\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction undelegateWithCatch(address _validator, uint256 _amount)\n\t\tinternal\n\t\treturns (bool)\n\t{\n\t\ttry consensus.withdraw(_validator, _amount) {\n\t\t\treturn true;\n\t\t} catch Error(\n\t\t\tstring memory /*reason*/\n\t\t) {\n\t\t\t// This is executed in case\n\t\t\t// revert was called inside getData\n\t\t\t// and a reason string was provided.\n\t\t\treturn false;\n\t\t} catch (\n\t\t\tbytes memory /*lowLevelData*/\n\t\t) {\n\t\t\t// This is executed in case revert() was used\n\t\t\t// or there was a failing assertion, division\n\t\t\t// by zero, etc. inside getData.\n\t\t\treturn false;\n\t\t}\n\t}\n\n\tfunction balance() internal view returns (uint256) {\n\t\treturn payable(address(this)).balance;\n\t}\n\n\treceive() external payable {}\n}\n", "sourcePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/upgradables/contracts/staking/FuseStakingV2.sol", "ast": { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/upgradables/contracts/staking/FuseStakingV2.sol", "exportedSymbols": { "FuseStakingV2": [ 6125 ], "IConsensus": [ 5612 ] }, "id": 6126, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 5578, "literals": [ "solidity", ">=", "0.6" ], "nodeType": "PragmaDirective", "src": "0:22:9" }, { "absolutePath": "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol", "file": 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"validators", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5626, "src": "2313:10:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage", "typeString": "address[] storage ref" } }, "id": 5786, "indexExpression": { "argumentTypes": null, "id": 5785, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2324:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2313:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 5787, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2328:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 5783, "name": "undelegateWithCatch", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6105, "src": "2293:19:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) returns (bool)" } }, "id": 5788, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2293:45:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 5789, "nodeType": "ExpressionStatement", "src": "2293:45:9" }, { "expression": { "argumentTypes": null, "id": 5792, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5790, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2344:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 5791, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2356:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2344:13:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5793, "nodeType": "ExpressionStatement", "src": "2344:13:9" } ] }, "id": 5795, "nodeType": "IfStatement", "src": "2173:190:9", "trueBody": { "id": 5782, "nodeType": "Block", "src": "2195:86:9", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 5769, "name": "validators", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5626, "src": "2220:10:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage", "typeString": "address[] storage ref" } }, "id": 5771, "indexExpression": { "argumentTypes": null, "id": 5770, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2231:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2220:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 5772, "name": "cur", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5746, "src": "2235:3:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 5766, "name": "consensus", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5628, "src": "2201:9:9", "typeDescriptions": { "typeIdentifier": "t_contract$_IConsensus_$5612", "typeString": "contract IConsensus" } }, "id": 5768, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "withdraw", "nodeType": "MemberAccess", "referencedDeclaration": 5595, "src": "2201:18:9", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256) external" } }, "id": 5773, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2201:38:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 5774, "nodeType": "ExpressionStatement", "src": "2201:38:9" }, { "expression": { "argumentTypes": null, "id": 5780, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5775, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2245:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5778, "name": "cur", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5746, "src": "2271:3:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 5776, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2257:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5777, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 7990, "src": "2257:13:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 5779, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2257:18:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2245:30:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5781, "nodeType": "ExpressionStatement", "src": "2245:30:9" } ] } }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5798, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5796, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2371:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 5797, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2384:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2371:14:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 5800, "nodeType": "IfStatement", "src": "2367:25:9", "trueBody": { "id": 5799, "nodeType": "Break", "src": "2387:5:9" } } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5741, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5738, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2035:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5739, "name": "validators", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5626, "src": "2039:10:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage", "typeString": "address[] storage ref" } }, "id": 5740, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2039:17:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2035:21:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 5802, "initializationExpression": { "assignments": [ 5735 ], "declarations": [ { "constant": false, "id": 5735, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "overrides": null, "scope": 5802, "src": "2020:9:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5734, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2020:7:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 5737, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 5736, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2032:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "2020:13:9" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 5743, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "2058:3:9", "subExpression": { "argumentTypes": null, "id": 5742, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2058:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5744, "nodeType": "ExpressionStatement", "src": "2058:3:9" }, "nodeType": "ForStatement", "src": "2015:382:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5806, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5803, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2449:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 5804, "name": "balance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6120, "src": "2462:7:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint256_$", "typeString": "function () view returns (uint256)" } }, "id": 5805, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2462:9:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2449:22:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 5813, "nodeType": "IfStatement", "src": "2445:60:9", "trueBody": { "id": 5812, "nodeType": "Block", "src": "2473:32:9", "statements": [ { "expression": { "argumentTypes": null, "id": 5810, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5807, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2478:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 5808, "name": "balance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6120, "src": "2491:7:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint256_$", "typeString": "function () view returns (uint256)" } }, "id": 5809, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2491:9:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2478:22:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5811, "nodeType": "ExpressionStatement", "src": "2478:22:9" } ] } }, { "expression": { "argumentTypes": null, "id": 5825, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 5814, "name": "stakers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5623, "src": "2509:7:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 5817, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5815, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "2517:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 5816, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2517:10:9", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2509:19:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5823, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2555:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 5818, "name": "stakers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5623, "src": "2531:7:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 5821, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5819, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "2539:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 5820, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2539:10:9", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2531:19:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5822, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 7990, "src": "2531:23:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 5824, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2531:35:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2509:57:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5826, "nodeType": "ExpressionStatement", "src": "2509:57:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5829, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5827, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2574:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 5828, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2587:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2574:14:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 5839, "nodeType": "IfStatement", "src": "2570:60:9", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5836, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2619:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5832, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "2598:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 5833, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2598:10:9", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address 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"bool" } }, "id": 5789, "nodeType": "ExpressionStatement", "src": "2293:45:9" }, { "expression": { "argumentTypes": null, "id": 5792, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5790, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2344:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 5791, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2356:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2344:13:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5793, "nodeType": "ExpressionStatement", "src": "2344:13:9" } ] }, "id": 5795, "nodeType": "IfStatement", "src": "2173:190:9", "trueBody": { "id": 5782, "nodeType": "Block", "src": "2195:86:9", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 5769, "name": "validators", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5626, "src": "2220:10:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage", "typeString": "address[] storage ref" } }, "id": 5771, "indexExpression": { "argumentTypes": null, "id": 5770, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2231:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2220:13:9", "typeDescriptions": { 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false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2257:18:9", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2245:30:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5781, "nodeType": "ExpressionStatement", "src": "2245:30:9" } ] } }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5798, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5796, "name": "toCollect", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5717, "src": "2371:9:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 5797, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2384:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2371:14:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 5800, "nodeType": "IfStatement", "src": "2367:25:9", "trueBody": { "id": 5799, "nodeType": "Break", "src": "2387:5:9" } } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5741, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5738, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2035:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5739, "name": "validators", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5626, "src": "2039:10:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage", "typeString": "address[] storage ref" } }, "id": 5740, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2039:17:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2035:21:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 5802, "initializationExpression": { "assignments": [ 5735 ], "declarations": [ { "constant": false, "id": 5735, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "overrides": null, "scope": 5802, "src": "2020:9:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5734, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2020:7:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 5737, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 5736, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2032:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "2020:13:9" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 5743, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "2058:3:9", "subExpression": { "argumentTypes": null, "id": 5742, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5735, "src": "2058:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5744, "nodeType": "ExpressionStatement", "src": "2058:3:9" }, "nodeType": "ForStatement", "src": "2015:382:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 5806, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 5803, "name": "toWithdraw", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5705, "src": "2449:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": 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