{ "contractName": "FuseStaking", "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": "consensus2", "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": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" }, { "internalType": "address", "name": "_consensus", "type": "address" } ], "name": "initialize", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "update", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_v", "type": "address" } ], "name": "addValidator", "outputs": [], 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"source": "// SPDX-License-Identifier: MIT\n\npragma 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\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 FuseStaking is Initializable, OwnableUpgradeable {\n\tmapping(address => uint256) stakers;\n\tmapping(address => uint256) validatorsStaked;\n\taddress[] validators;\n\n\tIConsensus public consensus;\n\n\tIConsensus public consensus2;\n\n\tusing SafeMathUpgradeable for uint256;\n\n\t/**\n\t * @dev initialize\n\t */\n\tfunction initialize(address _owner, address _consensus) public initializer {\n\t\t__Ownable_init_unchained();\n\t\ttransferOwnership(_owner);\n\t\tconsensus = IConsensus(_consensus);\n\t}\n\n\tfunction update() public {\n\t\tconsensus2 = IConsensus(\n\t\t\taddress(0x3014ca10b91cb3D0AD85fEf7A3Cb95BCAc9c0f79)\n\t\t);\n\t}\n\n\t// function 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() public {\n\t\tuint256 toWithdraw = stakers[msg.sender];\n\t\trequire(toWithdraw > 0, \"no stake to withdraw\");\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 <= toWithdraw) {\n\t\t\t\tconsensus.withdraw(validators[i], cur);\n\t\t\t\ttoWithdraw = toWithdraw.sub(cur);\n\t\t\t} else {\n\t\t\t\tconsensus.withdraw(validators[i], toWithdraw);\n\t\t\t\ttoWithdraw = 0;\n\t\t\t}\n\t\t\tif (toWithdraw == 0) break;\n\t\t}\n\t\tmsg.sender.transfer(stakers[msg.sender]);\n\t}\n\n\tfunction stakeNextValidator() internal {\n\t\tif (validators.length == 0) return;\n\t\tuint256 min = validatorsStaked[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\tvalidatorsStaked[validators[minIdx]] = validatorsStaked[\n\t\t\tvalidators[minIdx]\n\t\t]\n\t\t\t.add(balance);\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 undelegate(address _validator) public onlyOwner {\n\t\tuint256 cur = consensus.delegatedAmount(address(this), _validator);\n\t\tconsensus.withdraw(_validator, cur);\n\t}\n\n\tfunction end() public onlyOwner {\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\tconsensus.withdraw(validators[i], cur);\n\t\t\ttotal = total.add(cur);\n\t\t}\n\t\tmsg.sender.transfer(total);\n\t}\n\n\treceive() external payable {}\n}\n", "sourcePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/upgradables/contracts/staking/FuseStaking.sol", "ast": { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/upgradables/contracts/staking/FuseStaking.sol", "exportedSymbols": { "FuseStaking": [ 5576 ], "IConsensus": [ 5163 ] }, "id": 5577, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 5129, "literals": [ "solidity", ">=", "0.6" ], "nodeType": "PragmaDirective", "src": "33:22:8" }, { "absolutePath": "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol", "file": "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol", "id": 5130, "nodeType": "ImportDirective", "scope": 5577, "sourceUnit": 8212, "src": "56:69:8", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol", "file": "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol", "id": 5131, "nodeType": "ImportDirective", "scope": 5577, "sourceUnit": 7874, "src": "126:75:8", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol", "file": "@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol", "id": 5132, "nodeType": "ImportDirective", "scope": 5577, "sourceUnit": 8141, "src": "202:74:8", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": null, "fullyImplemented": false, "id": 5163, "linearizedBaseContracts": [ 5163 ], "name": "IConsensus", "nodeType": "ContractDefinition", "nodes": [ { "body": null, "documentation": { "id": 5133, "nodeType": "StructuredDocumentation", "src": "302:120:8", "text": " @dev delegate to a validator\n @param _validator the address of the validator msg.sender is delegating to" }, "functionSelector": "5c19a95c", "id": 5138, "implemented": false, "kind": "function", "modifiers": [], "name": "delegate", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 5136, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5135, "mutability": "mutable", "name": "_validator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 5138, "src": "442:18:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5134, "name": "address", "nodeType": "ElementaryTypeName", "src": "442:7:8", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "441:20:8" }, "returnParameters": { "id": 5137, "nodeType": "ParameterList", "parameters": [], "src": "478:0:8" }, "scope": 5163, "src": "424:55:8", "stateMutability": "payable", "virtual": false, "visibility": "external" }, { "body": null, "documentation": { "id": 5139, "nodeType": "StructuredDocumentation", "src": "482:275:8", "text": " @dev Function to be called when a delegator whishes to withdraw some of his staked funds for a validator\n @param _validator the address of the validator msg.sender has delegating to\n @param _amount the amount msg.sender wishes to withdraw from the contract" }, "functionSelector": "f3fef3a3", "id": 5146, "implemented": false, "kind": "function", "modifiers": [], "name": "withdraw", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 5144, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5141, "mutability": "mutable", "name": "_validator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 5146, "src": "777:18:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5140, "name": "address", "nodeType": "ElementaryTypeName", "src": "777:7:8", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5143, "mutability": "mutable", "name": "_amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 5146, "src": "797:15:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5142, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "797:7:8", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "776:37:8" }, "returnParameters": { "id": 5145, "nodeType": "ParameterList", "parameters": [], "src": 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"parameters": [], "src": "3536:0:8" }, "scope": 5576, "src": "3504:291:8", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 5574, "nodeType": "Block", "src": "3825:2:8", "statements": [] }, "documentation": null, "id": 5575, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 5572, "nodeType": "ParameterList", "parameters": [], "src": "3805:2:8" }, "returnParameters": { "id": 5573, "nodeType": "ParameterList", "parameters": [], "src": "3825:0:8" }, "scope": 5576, "src": "3798:29:8", "stateMutability": "payable", "virtual": false, "visibility": "external" } ], "scope": 5577, "src": "1005:2824:8" } ], "src": "33:3797:8" }, "compiler": { "name": "solc", "version": "0.6.12+commit.27d51765.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.0", "updatedAt": "2021-01-17T13:45:27.101Z", "devdoc": { "kind": "dev", "methods": { "initialize(address,address)": { "details": "initialize" }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }