@gnosis.pm/pm-contracts

{ "contractName": "CampaignProxy", "abi": [ { "constant": true, "inputs": [], "name": "marketFactory", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "marketMaker", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "finalBalance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "deadline", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" } ], "name": "contributions", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "market", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "masterCopy", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "stage", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "funding", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "fee", "outputs": [ { "name": "", "type": "uint24" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "eventContract", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "FEE_RANGE", "outputs": [ { "name": "", "type": "uint24" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "proxied", "type": "address" }, { "name": "_eventContract", "type": "address" }, { "name": "_marketFactory", "type": "address" }, { "name": "_marketMaker", "type": "address" }, { "name": "_fee", "type": "uint24" }, { "name": "_funding", "type": "uint256" }, { "name": "_deadline", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "sender", "type": "address" }, { "indexed": false, "name": "funding", "type": "uint256" } ], "name": "CampaignFunding", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "sender", "type": "address" }, { "indexed": false, "name": "refund", "type": "uint256" } ], "name": "CampaignRefund", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "market", "type": "address" } ], "name": "MarketCreation", "type": "event" }, { "anonymous": false, "inputs": [], "name": "MarketClosing", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "receiver", "type": "address" }, { "indexed": false, "name": "fees", "type": "uint256" } ], "name": "FeeWithdrawal", "type": "event" } ], "metadata": 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contract\"}}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/Campaign.sol\":\"CampaignProxy\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Events/Event.sol\":{\"keccak256\":\"0xdcacfa25145426b5681ad7d8bafb3c117c92a37b7a0175d72a10b42f130fb8c1\",\"urls\":[\"bzzr://bd10fbdb82f0d50866442c9e95317b3176c8ee067def27d764529973fb36420a\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/MarketMakers/MarketMaker.sol\":{\"keccak256\":\"0xa71f8ce92412033d0900d44c01f0702aefced87d860cf116c6a4d3efe86913cf\",\"urls\":[\"bzzr://63c5bf60b931bb032fcab23514a3db171b680b11d8c6c05ac8caa88752e3be41\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/Campaign.sol\":{\"keccak256\":\"0x747255f6e5d034164f791a042af53af9c4813d1ca0cae938cad5dff89a4d0329\",\"urls\":[\"bzzr://787c31a9d223fc6dc7d94b366babc16311fbf62b3737a3a2f47d46e30444fe7f\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/Market.sol\":{\"keccak256\":\"0x7bc1ebf0ea0f4cd9b6e9bfff6c6ac9088c253bcfca4e27f31e5845799f0278d8\",\"urls\":[\"bzzr://5e3f86d96ab269d284b34563501469d539cc436d62f070dd0abda2519d5e60c0\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/StandardMarket.sol\":{\"keccak256\":\"0x527abf1b0997e2d38ce3c97f7ed647b9e913424828594287e2b068f2fb41ad4c\",\"urls\":[\"bzzr://16756e1b212fd40f21de50d99c8b7a5dde0acc2b0b047af8beead831a1274bd7\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/StandardMarketFactory.sol\":{\"keccak256\":\"0x8f8f3452e190afcf74b5d8245ff8aa98d253b683e63d64aaa8e425fe36abff45\",\"urls\":[\"bzzr://defea219cbd36bd316ce07e750994069afddd9790f6585df38344d79ead2ca7f\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/Oracle.sol\":{\"keccak256\":\"0xf4d12f4a59c17e66dfa6791188f621a8914e2038a4e3f72d6fc9fb903ca8e18e\",\"urls\":[\"bzzr://a477ccd203e677cc904b1a4f8fcc85251c5b5e09c5c10eed27e01318584b16d1\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Tokens/OutcomeToken.sol\":{\"keccak256\":\"0x3d4c9ec14a60cf7577d366da5116e919a4331da8d6d993174f7d599f84ae74e0\",\"urls\":[\"bzzr://20f87450259a3af24ff1769faa9ab3b714d01921e9d8fa4efa75a0c277837a8a\"]},\"@gnosis.pm/util-contracts/contracts/Proxy.sol\":{\"keccak256\":\"0xeab0e83a9ec9e7f052c0455a11577061ec6d1994db08dae429abd6faaabf6555\",\"urls\":[\"bzzr://b2c1273d4ec30e2f9e768eea8c510f8493a7359b03e01923d93eea86b57ec145\"]},\"openzeppelin-solidity/contracts/drafts/SignedSafeMath.sol\":{\"keccak256\":\"0xb4b45cd5475c318722ac0f8d7e2b9e77fee6f4f36374c1110fe615d50fbc0650\",\"urls\":[\"bzzr://a90fb457269c8a03ec5b811c71acef08a2751a4d2019b0661328610f9357dae7\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x4ccf2d7b51873db1ccfd54ca2adae5eac3b184f9699911ed4490438419f1c690\",\"urls\":[\"bzzr://1604f5b6d6e916c154efd8c6720cda069e5ba32dfa0a9dedf2b42e5b02d07f89\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x852793a3c2f86d336a683b30d688ec3dcfc57451af5a2bf5975cda3b7191a901\",\"urls\":[\"bzzr://07fb42206812a17c1f71e548cfa5cec6f9aa1ae0ca5df870718ca4aa9759d1a5\"]},\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x90e8c2521653bbb1768b05889c5760031e688d9cd361f167489b89215e201b95\",\"urls\":[\"bzzr://aa8b45b57edafc3d67bc5d916327ea16807fae33f753ca163ae0c4061b789766\"]}},\"version\":1}", 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"source": "pragma solidity ^0.5.0;\nimport \"../Events/Event.sol\";\nimport \"../Markets/StandardMarketFactory.sol\";\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/drafts/SignedSafeMath.sol\";\nimport \"@gnosis.pm/util-contracts/contracts/Proxy.sol\";\n\ncontract CampaignData {\n\n /*\n * Events\n */\n event CampaignFunding(address indexed sender, uint funding);\n event CampaignRefund(address indexed sender, uint refund);\n event MarketCreation(Market indexed market);\n event MarketClosing();\n event FeeWithdrawal(address indexed receiver, uint fees);\n\n /*\n * Constants\n */\n uint24 public constant FEE_RANGE = 1000000; // 100%\n\n /*\n * Storage\n */\n Event public eventContract;\n StandardMarketFactory public marketFactory;\n MarketMaker public marketMaker;\n Market public market;\n uint24 public fee;\n uint public funding;\n uint public deadline;\n uint public finalBalance;\n mapping (address => uint) public contributions;\n Stages public stage;\n\n enum Stages {\n AuctionStarted,\n AuctionSuccessful,\n AuctionFailed,\n MarketCreated,\n MarketClosed\n }\n\n /*\n * Modifiers\n */\n modifier atStage(Stages _stage) {\n // Contract has to be in given stage\n require(stage == _stage);\n _;\n }\n\n modifier timedTransitions() {\n if (stage == Stages.AuctionStarted && deadline < now)\n stage = Stages.AuctionFailed;\n _;\n }\n}\n\ncontract CampaignProxy is Proxy, CampaignData {\n /// @dev Constructor validates and sets campaign properties\n /// @param _eventContract Event contract\n /// @param _marketFactory Market factory contract\n /// @param _marketMaker Market maker contract\n /// @param _fee Market fee\n /// @param _funding Initial funding for market\n /// @param _deadline Campaign deadline\n constructor(\n address proxied,\n Event _eventContract,\n StandardMarketFactory _marketFactory,\n MarketMaker _marketMaker,\n uint24 _fee,\n uint _funding,\n uint _deadline\n )\n Proxy(proxied)\n public\n {\n // Validate input\n require( address(_eventContract) != address(0)\n && address(_marketFactory) != address(0)\n && address(_marketMaker) != address(0)\n && _fee < FEE_RANGE\n && _funding > 0\n && now < _deadline);\n eventContract = _eventContract;\n marketFactory = _marketFactory;\n marketMaker = _marketMaker;\n fee = _fee;\n funding = _funding;\n deadline = _deadline;\n }\n}\n\n/// @title Campaign contract - Allows to crowdfund a market\n/// @author Stefan George - <stefan@gnosis.pm>\ncontract Campaign is Proxied, CampaignData {\n using SignedSafeMath for int;\n using SafeMath for uint;\n\n /*\n * Public functions\n */\n /// @dev Allows to contribute to required market funding\n /// @param amount Amount of collateral tokens\n function fund(uint amount)\n public\n timedTransitions\n atStage(Stages.AuctionStarted)\n {\n uint raisedAmount = eventContract.collateralToken().balanceOf(address(this));\n uint maxAmount = funding.sub(raisedAmount);\n if (maxAmount < amount)\n amount = maxAmount;\n // Collect collateral tokens\n require(eventContract.collateralToken().transferFrom(msg.sender, address(this), amount));\n contributions[msg.sender] = contributions[msg.sender].add(amount);\n if (amount == maxAmount)\n stage = Stages.AuctionSuccessful;\n emit CampaignFunding(msg.sender, amount);\n }\n\n /// @dev Withdraws refund amount\n /// @return Refund amount\n function refund()\n public\n timedTransitions\n atStage(Stages.AuctionFailed)\n returns (uint refundAmount)\n {\n refundAmount = contributions[msg.sender];\n contributions[msg.sender] = 0;\n // Refund collateral tokens\n require(eventContract.collateralToken().transfer(msg.sender, refundAmount));\n emit CampaignRefund(msg.sender, refundAmount);\n }\n\n /// @dev Allows to create market after successful funding\n /// @return Market address\n function createMarket()\n public\n timedTransitions\n atStage(Stages.AuctionSuccessful)\n returns (Market)\n {\n market = marketFactory.createMarket(eventContract, marketMaker, fee);\n require(eventContract.collateralToken().approve(address(market), funding));\n market.fund(funding);\n stage = Stages.MarketCreated;\n emit MarketCreation(market);\n return market;\n }\n\n /// @dev Allows to withdraw fees from market contract to campaign contract\n /// @return Fee amount\n function closeMarket()\n public\n atStage(Stages.MarketCreated)\n {\n // Winning outcome should be set\n require(eventContract.isOutcomeSet());\n market.close();\n market.withdrawFees();\n eventContract.redeemWinnings();\n finalBalance = eventContract.collateralToken().balanceOf(address(this));\n stage = Stages.MarketClosed;\n emit MarketClosing();\n }\n\n /// @dev Allows to withdraw fees from campaign contract to contributor\n /// @return Fee amount\n function withdrawFees()\n public\n atStage(Stages.MarketClosed)\n returns (uint fees)\n {\n fees = finalBalance.mul(contributions[msg.sender]) / funding;\n contributions[msg.sender] = 0;\n // Send fee share to contributor\n require(eventContract.collateralToken().transfer(msg.sender, fees));\n emit FeeWithdrawal(msg.sender, fees);\n }\n}\n", "sourcePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/Campaign.sol", "ast": { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/Campaign.sol", "exportedSymbols": { "Campaign": [ 2065 ], "CampaignData": [ 1699 ], "CampaignProxy": [ 1787 ] }, "id": 2066, "nodeType": "SourceUnit", "nodes": [ { "id": 1608, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:6" }, { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Events/Event.sol", "file": "../Events/Event.sol", "id": 1609, "nodeType": "ImportDirective", "scope": 2066, "sourceUnit": 393, "src": "24:29:6", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Markets/StandardMarketFactory.sol", "file": "../Markets/StandardMarketFactory.sol", "id": 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