@gooddollar/goodcontracts

{ "contractName": "ContributionCalc", "abi": [ { "constant": true, "inputs": [ { "internalType": "contract GoodMarketMaker", "name": "_marketMaker", "type": "address" }, { "internalType": "contract GoodReserveCDai", "name": "_reserve", "type": "address" }, { "internalType": "address", "name": "_contributer", "type": "address" }, { "internalType": "contract ERC20", "name": "_token", "type": "address" }, { "internalType": "uint256", "name": "_gdAmount", "type": "uint256" } ], "name": "calculateContribution", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"internalType\":\"contract GoodMarketMaker\",\"name\":\"_marketMaker\",\"type\":\"address\"},{\"internalType\":\"contract GoodReserveCDai\",\"name\":\"_reserve\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_contributer\",\"type\":\"address\"},{\"internalType\":\"contract ERC20\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gdAmount\",\"type\":\"uint256\"}],\"name\":\"calculateContribution\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodReserveCDai.sol\":\"ContributionCalc\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/DSMath.sol\":{\"keccak256\":\"0x59fb5b1c4c3f68c1694f6ff5698016ac8ee9401b61e87473113dc103b7a6b0ff\",\"urls\":[\"bzz-raw://7410f43989dea44e64bed870958ce9199606dd8a9783e79fe8deca7b544164af\",\"dweb:/ipfs/QmPrrdvp2ErwL6SJSveB3JANo7ivadSMnk9gpWZD8nR7hy\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/ActivePeriod.sol\":{\"keccak256\":\"0xd6b17fe8c789a03e87c80046319caee9fc9c9b5ded9008b09a550027c205c5ab\",\"urls\":[\"bzz-raw://0f77e8dc5f6abeefc9a2e185c257516f7f0266ae2781dd67c18daf1aac667daf\",\"dweb:/ipfs/QmbeRqLP2MvTZifqPBSK3PUDh8TjC1RaTA8b1dRRAXahmJ\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/FeeFormula.sol\":{\"keccak256\":\"0x2ac93f891a65aa60b93e2b27552850dfa459b88f5a19edc29bb5bab0cc4f3eaa\",\"urls\":[\"bzz-raw://bddb94bc0230d959d2362887a253a47b91f0de6804cba8e4569a7cac47c39b5a\",\"dweb:/ipfs/QmTdkPQHRdzxJ7D7pi9cowLgYY9wVja416dhBwCsdtPEv5\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/FeelessScheme.sol\":{\"keccak256\":\"0x7c542d44cbd864ee0ddecbc5016d9d7eb9ce65ab463fdd9f21eb8ce3c6ffc8ea\",\"urls\":[\"bzz-raw://4753dd823c0b0cbe7d7d02e1df64ace07d7a163af3aaff12697aee70a1b45f2f\",\"dweb:/ipfs/QmPkKeH88M3f6UbHphayUbjEBNV4rmoogtDmVundzBKbFK\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/FormulaHolder.sol\":{\"keccak256\":\"0xb3c0d3bc21e71497784e1be11698ff501ee11545c3106bec2cae2e8af1bacd9b\",\"urls\":[\"bzz-raw://783b4e28b67231de0fbbe48e58f43f69db3f98fd7f75668edce145a55a9b5b17\",\"dweb:/ipfs/QmdeyRfeix3PGfaXqtRQpH1sjmjFpdtuGaPwnvRn7nHAWd\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/SchemeGuard.sol\":{\"keccak256\":\"0x32e1b2a172e2c22a6aa757bfcb0722cc67f64c5c2e48df3dec2737903516d565\",\"urls\":[\"bzz-raw://bee57a8eba08348e93a0c18f3ab534e67865c0fa27afe27f5cf234bd5f248915\",\"dweb:/ipfs/Qmd8aveHWcUkYWMyJrJRZPyVXj8MAMBfpBFo6g4Z2VJeo3\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/Identity.sol\":{\"keccak256\":\"0x282184478f1d618d3523b28a84a7f7003dfdc99cad120e5e358d2cce1f5fb491\",\"urls\":[\"bzz-raw://67e17ecb57b24c4fb801abc2c52c3148af3b967e28da4fb7e074d18efb7a57c1\",\"dweb:/ipfs/QmfZ8jXhdTHtxr3gfByRj4HnXnGynX7SLZWWGR8k768aGB\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/IdentityAdminRole.sol\":{\"keccak256\":\"0x8e82c45eefe0da77d017144dfad12602c68124297035937901cdd08ce48c57ff\",\"urls\":[\"bzz-raw://e20e606342b3b35f41a081294cf3f716fe7e27e81d3090daa37c5208f4ef4bc3\",\"dweb:/ipfs/QmVEhHpiwVsksnPyHkfNa5LpTBLxoP9kj5NRZUBv456ewK\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/identity/IdentityGuard.sol\":{\"keccak256\":\"0xcc395c0e8f812201b5ed1f45e7272120ee5ffe73bfe13e325dfd872aef235b22\",\"urls\":[\"bzz-raw://58f93e4b9f48ec31ac151208e4f9e6b356cc23dfc9585d846bc09bf35d6ff7be\",\"dweb:/ipfs/QmdxJHUCaFx8N66kkDhYdA4k6d2V91yBRG6sombuPxBq7X\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/ERC677/ERC677.sol\":{\"keccak256\":\"0x8360b9e356df8584d95990bb7e772342b30d9e22b160f7c875fbca5c0b87453c\",\"urls\":[\"bzz-raw://97cc6e5586cedcd49462cc465a2a8fc5063d7ec6cb9533f4e0099969a75bd4b2\",\"dweb:/ipfs/QmXw6y4iXfqyJHDRrHdd5ofQ6E4cuHDw4LiYupReJ1rCBc\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/ERC677/ERC677Receiver.sol\":{\"keccak256\":\"0xc5683b28527097379ed090b28bb46e17a50a2c57ddcb3c7e028fcd04ddc64aef\",\"urls\":[\"bzz-raw://639f6b6cf65382faea738e6326d6aeb289b8b030cf02f40c54bc45ec098eda6d\",\"dweb:/ipfs/QmQi7dFcKiwUxSbzhus4CxFTdNJvUsfiqY6i3bD4RdMQrn\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/ERC677BridgeToken.sol\":{\"keccak256\":\"0x014fa09dca773b1406855e628687be50c1eb129894f45a8b5c9fc709d826968d\",\"urls\":[\"bzz-raw://23c6491c0c26471315010687d785a3724ae33198be6ed39828d1a4f7e6873cb4\",\"dweb:/ipfs/QmW62FXHtLdNGzB8Nq9XwmwHp6Jn8jgbAVyrU2j7c7w6By\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/ERC677Token.sol\":{\"keccak256\":\"0x553a103b911d77cecb2ce3f355b2370c4a23eb070593d7c8eb46f33e3a5ff141\",\"urls\":[\"bzz-raw://e37438ce280964498b77f63bbe4d1f25c55ff4c178925447a70decceda06e46c\",\"dweb:/ipfs/QmbqCLhWjZqpFBnUVb3H7LkEbAaVmhf76Ln14oWnGimYGM\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/GoodDollar.sol\":{\"keccak256\":\"0x7b91359f6912641c7dbfeced9a5c47454acce7c2cab9205d00b8049d228d7b78\",\"urls\":[\"bzz-raw://3a09bc6936d0179e2e5be2687446532d63135bc537f7ab246c6a1101d4849c1f\",\"dweb:/ipfs/QmNshqF7Xu7UX8BryKYRbnRQdTfytPappxkHq5xMxF5vpE\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/BancorFormula.sol\":{\"keccak256\":\"0xa8b83d6e46b4c2b5cf29c3572df676605ec37b8ef9b51ca6627ee225d9c51a77\",\"urls\":[\"bzz-raw://021c034dffe504492175527a436c00e898dfbf508ffb4e68f3e2a059f8934b61\",\"dweb:/ipfs/QmayhA4XBR7SYRQRRgngDcjRWUfJPmgMTbwskjZaEkznJ1\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodMarketMaker.sol\":{\"keccak256\":\"0x951b08d2bf3aa8d2da3322220bdff8473457ea52845a6c76ab7732bcbccaaf9a\",\"urls\":[\"bzz-raw://7728a9ba486bddaa950c37c033522af874d518e9b53e4f844320bed6e14d41eb\",\"dweb:/ipfs/QmdEFS6efb3QFWoWhvfy9xHBvykQVbfnF6raqUsn9mhAnu\"]},\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodReserveCDai.sol\":{\"keccak256\":\"0x0fa6c1c0d54d076325a80278bf47e214dbb176b63c92bd0725983a530462794e\",\"urls\":[\"bzz-raw://87efa2ad8c36bf560ab4a3e982c518dcfa1c757595b0f2aeede8f70b8fd7a398\",\"dweb:/ipfs/QmNSdgBMBDMrv7WNXYQWhRFgRpDCW7gRW8VqPArcgE9yQH\"]},\"@daostack/arc/contracts/controller/Avatar.sol\":{\"keccak256\":\"0x4e4fb9d3bc21f42fbfc6a01e9f8aa483a59e9f447b0d604f55b587a81ec09ef4\",\"urls\":[\"bzz-raw://9d3c1c7575cf6075ea1d89921f09b9b8e322b208dacaf0446cd4f64506c999f0\",\"dweb:/ipfs/QmVGDDHAR2ByuQpbgV7BBKXGEAcbaWvejpEZYzHgaagBFK\"]},\"@daostack/arc/contracts/controller/ControllerInterface.sol\":{\"keccak256\":\"0x933e92612c90f292c7b59908958b003f1a13d90b97bed0572b566353c20974dc\",\"urls\":[\"bzz-raw://ce1fcf85b744fcce2dbd4205e3943e9b4ec36a5f0330d4bbf61e65f1a3e0e470\",\"dweb:/ipfs/QmUWiLkBDdekhpy93nTzBtxDHL6yNh6sTUM9G8VbsHcBzy\"]},\"@daostack/arc/contracts/controller/DAOToken.sol\":{\"keccak256\":\"0x9b213e4e3ceeffcfc1c962a43b70b8d763d8091a2dd713fc1989b97bb68786e6\",\"urls\":[\"bzz-raw://51d1d6e85fd90f45395a16b7a3c703c4636e836041f2a13f806e4222ef2e59c1\",\"dweb:/ipfs/QmQjeCeFf7TJzsYjT5scyZUDDixBA8Yy8YppgBuxcKPDnP\"]},\"@daostack/arc/contracts/globalConstraints/GlobalConstraintInterface.sol\":{\"keccak256\":\"0xc006c4591ec10b845a56e13f6791db2c428610953034686d52b2a934b6c8f36f\",\"urls\":[\"bzz-raw://19495cd88280e54d7ddcd043ffeff75e6d3777a0c42debcd61cae448e9497ea0\",\"dweb:/ipfs/QmYxWz7CgFmmddrcVXJKfob5Ktwykc2imNVUwLSR5WR8bJ\"]},\"@daostack/arc/contracts/libs/SafeERC20.sol\":{\"keccak256\":\"0xf6727d432f67046145b078f40c1cc4f6be7b0d12a6678ecaf457edf7550d244c\",\"urls\":[\"bzz-raw://5dba7734c4fed446c084a707761cbc66ba22b8b93ef53c8d4a22a76b6e271690\",\"dweb:/ipfs/QmP2VpPKUqLh4ZZs6LaxHVpCN1zCmiorygL9bMub4mbYCw\"]},\"@daostack/infra/contracts/Reputation.sol\":{\"keccak256\":\"0x3d226dac0fe7d758f0287fb28bc25fcec1f69d19888ae3a550fa49856d61c482\",\"urls\":[\"bzz-raw://8856852c8fe0ba1c9aab326f0a9a6e7f31a238de2778fa5188e6fc399f7eb352\",\"dweb:/ipfs/QmVH4ppR9Dk7v8yxaSgeArdMv9gBBVoQxEf4E3UsqQ4rY2\"]},\"openzeppelin-solidity/contracts/access/Roles.sol\":{\"keccak256\":\"0x659ba0f9a3392cd50a8a5fafaf5dfd8c6a0878f6a4613bceff4e90dceddcd865\",\"urls\":[\"bzz-raw://4ca6617349a9b36fd82e9442a8e445ce9021a174e4399d1457ddc894ee3f5df3\",\"dweb:/ipfs/QmcmyB4cNazZ1sw963Afaijt67M9bDgwmGXCgQajGTD4tm\"]},\"openzeppelin-solidity/contracts/access/roles/MinterRole.sol\":{\"keccak256\":\"0x3199053db04cdae6c9b4380921a4a4ee720b568d6a9660883b29d25fbec31bc0\",\"urls\":[\"bzz-raw://1b0ff368e21d6007c06e4cfb286fe59d7d7d3ec06283300c9be2153ba11fa93a\",\"dweb:/ipfs/QmRPq2wZM4RAcbj31dP34GCr1CSy2qy3JqfXEkdVie4HLT\"]},\"openzeppelin-solidity/contracts/access/roles/PauserRole.sol\":{\"keccak256\":\"0x6506133e295a7199df2ac5dfc52853d9d767f68450b6d0193e9d8056b164ce86\",\"urls\":[\"bzz-raw://9c03592a9e6b1377e401b74eccf175a250232b5a341347d3fc5cb50e9bc86ba2\",\"dweb:/ipfs/QmYAr1yXT89hNUMJ37aiBpD9HtYfBDqmueVCzphRuuU7oZ\"]},\"openzeppelin-solidity/contracts/lifecycle/Pausable.sol\":{\"keccak256\":\"0x3b0ed31deeba7e3c6cfbbe8092a6b427084ee390800a06acdea5c17c8185d606\",\"urls\":[\"bzz-raw://bbdbf9d3754fcdcc85aec0432fabcec914317b1c2081b43753442ed53853a34a\",\"dweb:/ipfs/QmVHWQBn5xQkQEHhyGNEeS5gjjALZEk5ZfcjFt7kL6MoLy\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x965012d27b4262d7a41f5028cbb30c51ebd9ecd4be8fb30380aaa7a3c64fbc8b\",\"urls\":[\"bzz-raw://1eb493553b27efd46c231a836a83ce50d215639feb97b4aac9f301d0fd034ff5\",\"dweb:/ipfs/QmbMdvSXcqGKxeeYvzF3VrWpoHQyVzMXBhzhAokF2Gdymv\"]},\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x980de387a1a020a498f53d00f89fecebb12c949a17e8f160093c0303ede2b786\",\"urls\":[\"bzz-raw://f07a2c393caa85f62f0aaa461e3edd50aa59371d4209778ba0558d7f8b4b856c\",\"dweb:/ipfs/QmeN3ZiYGSjCnQFeYaJNgoXjF9eDue1g3e9pqManRkeBtV\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0xba431353cb4fe70777ac026231eb5468e41aa1e81240a2b8136917acc5fff4dc\",\"urls\":[\"bzz-raw://f40c91ca270bdc9b156f339081a0fc2bbcf73cf5f62b8c73ba555df753ff6619\",\"dweb:/ipfs/QmT8y2VVjGaFdGphpcXrgvdPi2EgF9LuCDgJiJ89LvpFRV\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol\":{\"keccak256\":\"0xa3e68fd7f987c8fbdaf4867d428a69a15f3cf2f69709a5b0a0fbef750b0e6fbc\",\"urls\":[\"bzz-raw://50b1ff986d3b2793850a66c8429d9886fdfb134b1509b3e98714e3e2a71e24f5\",\"dweb:/ipfs/QmSQBYPeY9tbR3ciGRNQqvcWKnNiuxtVMq2MsPWpLwuGGm\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol\":{\"keccak256\":\"0xe195405e9993d575173cdb5dd408db7459a026b9a98085c1a3b676f020f46584\",\"urls\":[\"bzz-raw://f6beab874b52e710d2c42334e34bb5592146f7dd148d96ff32c0c474412bf2f4\",\"dweb:/ipfs/QmUKmVUX4Fif7dguPgC459cpGegiJd1s24YhgZUrBUkkDN\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol\":{\"keccak256\":\"0xc4ca2883e0b0743604143952024c250bb13737ad54bb666b117efdcb766fe3a8\",\"urls\":[\"bzz-raw://bdaf72028f2dc29aa5191b2bfca315a9e3b1d58f900166bdb5ae5f500d569384\",\"dweb:/ipfs/QmZngPiWLXA9i2vp6XNPcGA23GHxT99V1Qma6iRivtbREy\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20Pausable.sol\":{\"keccak256\":\"0x37b840977505e5f6d74bc8fa3d0217facc7913d0ecf064da3e3b26494acd37de\",\"urls\":[\"bzz-raw://7456513521bae915089dfd5879b685e47f3f180ad9ffe24cc3b19275b1da28ed\",\"dweb:/ipfs/QmbM1avKkyyTHEeTs3CqheyZwgAMNzVi3iDudqBdUJ2WPM\"]},\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x079c4e23ee448f529e43bfa3c4e8fb4be52cd0318ee923a276835bedf45b93d8\",\"urls\":[\"bzz-raw://ee762ff5b7746e41d27dcbcea00c7a3034b58adb1b45ddadddb5b721aff450df\",\"dweb:/ipfs/QmdxqtgEFZjHCoiYyz6pUAQ5iBm7As25jcyEbZoTaAgyDa\"]},\"openzeppelin-solidity/contracts/utils/Address.sol\":{\"keccak256\":\"0x5c731061b804fa256fc8c05150eafe5d20b6bb94541a8f187912bf84f7033f34\",\"urls\":[\"bzz-raw://a3c2d9f046beebab7fb41b1b124a6a124a36f510f7c67365861402ac831bdc71\",\"dweb:/ipfs/QmUtASRgitregbKH83anopLtF9vFQe3BKeAjhUa6F7t9YV\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity >0.5.4;\n\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol\";\nimport \"@daostack/arc/contracts/controller/Avatar.sol\";\nimport \"../../contracts/dao/schemes/FeelessScheme.sol\";\nimport \"../../contracts/dao/schemes/ActivePeriod.sol\";\nimport \"../../contracts/DSMath.sol\";\nimport \"../../contracts/token/GoodDollar.sol\";\nimport \"./GoodMarketMaker.sol\";\n\ninterface cERC20 {\n function mint(uint256 mintAmount) external returns (uint256);\n\n function redeemUnderlying(uint256 mintAmount) external returns (uint256);\n\n function exchangeRateCurrent() external returns (uint256);\n\n function exchangeRateStored() external view returns (uint256);\n\n function balanceOf(address addr) external view returns (uint256);\n\n function transfer(address to, uint256 amount) external returns (bool);\n}\n\ninterface ContributionCalc {\n function calculateContribution(\n GoodMarketMaker _marketMaker,\n GoodReserveCDai _reserve,\n address _contributer,\n ERC20 _token,\n uint256 _gdAmount\n ) external view returns (uint256);\n}\n\n/**\n@title Reserve based on cDAI and dynamic reserve ratio market maker\n*/\ncontract GoodReserveCDai is DSMath, FeelessScheme, ActivePeriod {\n using SafeMath for uint256;\n\n // DAI token address\n ERC20 public dai;\n\n // cDAI token address\n cERC20 public cDai;\n\n // The address of the market maker contract\n // which makes the calculations and holds\n // the token and accounts info\n GoodMarketMaker public marketMaker;\n\n // The fund manager receives the minted tokens\n // when executing `mintInterestAndUBI`\n address public fundManager;\n\n // The block interval defines the number of\n // blocks that shall be passed before the\n // next execution of `mintInterestAndUBI`\n uint256 public blockInterval;\n\n // The last block number which\n // `mintInterestAndUBI` has been executed in\n uint256 public lastMinted;\n\n // The contribution contract is responsible\n // for calculates the contribution amount\n // when selling GD\n ContributionCalc public contribution;\n\n modifier onlyFundManager {\n require(msg.sender == fundManager, \"Only FundManager can call this method\");\n _;\n }\n\n modifier onlyCDai(ERC20 token) {\n require(address(token) == address(cDai), \"Only cDAI is supported\");\n _;\n }\n\n // Emits when GD tokens are purchased\n event TokenPurchased(\n // The initiate of the action\n address indexed caller,\n // The convertible token address\n // which the GD tokens were\n // purchased with\n address indexed reserveToken,\n // Reserve tokens amount\n uint256 reserveAmount,\n // Minimal GD return that was\n // permitted by the caller\n uint256 minReturn,\n // Actual return after the\n // conversion\n uint256 actualReturn\n );\n\n // Emits when GD tokens are sold\n event TokenSold(\n // The initiate of the action\n address indexed caller,\n // The convertible token address\n // which the GD tokens were\n // sold to\n address indexed reserveToken,\n // GD tokens amount\n uint256 gdAmount,\n // The amount of GD tokens that\n // was contributed during the\n // conversion\n uint256 contributionAmount,\n // Minimal reserve tokens return\n // that was permitted by the caller\n uint256 minReturn,\n // Actual return after the\n // conversion\n uint256 actualReturn\n );\n\n // Emits when the contribution contract\n // address is updated\n event ContributionAddressUpdated(\n // The initiate of the action\n address indexed caller,\n // Previous contribution\n // contract address\n address prevAddress,\n // The updated contribution\n // contract address\n address newAddress\n );\n\n // Emits when new GD tokens minted\n event UBIMinted(\n //epoch of UBI\n uint256 indexed day,\n //the token paid as interest\n address indexed interestToken,\n //wei amount of interest paid in interestToken\n uint256 interestReceived,\n // Amount of GD tokens that was\n // added to the supply as a result\n // of `mintInterest`\n uint256 gdInterestMinted,\n // Amount of GD tokens that was\n // added to the supply as a result\n // of `mintExpansion`\n uint256 gdExpansionMinted,\n // Amount of GD tokens that was\n // minted to the `interestCollector`\n uint256 gdInterestTransferred,\n // Amount of GD tokens that was\n // minted to the `ubiCollector`\n uint256 gdUbiTransferred\n );\n\n /**\n * @dev Constructor\n * @param _dai The address of DAI\n * @param _cDai The address of cDAI\n * @param _fundManager The address of the fund manager contract\n * @param _avatar The avatar of the DAO\n * @param _identity The identity contract\n * @param _marketMaker The address of the market maker contract\n * @param _contribution The address of the contribution contract\n * @param _blockInterval How many blocks should be passed before the next execution of `mintInterestAndUBI`\n */\n constructor(\n ERC20 _dai,\n cERC20 _cDai,\n address _fundManager,\n Avatar _avatar,\n Identity _identity,\n address _marketMaker,\n ContributionCalc _contribution,\n uint256 _blockInterval\n ) public FeelessScheme(_identity, _avatar) ActivePeriod(now, now * 2, _avatar) {\n dai = _dai;\n cDai = _cDai;\n fundManager = _fundManager;\n marketMaker = GoodMarketMaker(_marketMaker);\n blockInterval = _blockInterval;\n lastMinted = block.number.div(blockInterval);\n contribution = _contribution;\n }\n\n /**\n * @dev Start function. Adds this contract to identity as a feeless scheme.\n * Can only be called if scheme is registered\n */\n function start() public onlyRegistered {\n addRights();\n\n // Adds the reserve as a minter of the GD token\n controller.genericCall(\n address(avatar.nativeToken()),\n abi.encodeWithSignature(\"addMinter(address)\", address(this)),\n avatar,\n 0\n );\n super.start();\n }\n\n /**\n * @dev Allows the DAO to change the market maker contract\n * @param _marketMaker address of the new contract\n */\n function setMarketMaker(address _marketMaker) public onlyAvatar {\n marketMaker = GoodMarketMaker(_marketMaker);\n }\n\n /**\n * @dev Allows the DAO to change the fund manager contract\n * @param _fundManager address of the new contract\n */\n function setFundManager(address _fundManager) public onlyAvatar {\n fundManager = _fundManager;\n }\n\n /**\n * @dev Allows the DAO to change the block interval\n * @param _blockInterval the new value\n */\n function setBlockInterval(uint256 _blockInterval) public onlyAvatar {\n blockInterval = _blockInterval;\n }\n\n /**\n * @dev Allows the DAO to change the contribution formula contract\n * @param _contribution address of the new contribution contract\n */\n function setContributionAddress(address _contribution) public onlyAvatar {\n address prevAddress = address(contribution);\n contribution = ContributionCalc(_contribution);\n emit ContributionAddressUpdated(msg.sender, prevAddress, _contribution);\n }\n\n /**\n * @dev Converts `buyWith` tokens to GD tokens and updates the bonding curve params.\n * `buy` occurs only if the GD return is above the given minimum. It is possible\n * to buy only with cDAI and when the contract is set to active. MUST call to\n * `buyWith` `approve` prior this action to allow this contract to accomplish the\n * conversion.\n * @param _buyWith The tokens that should be converted to GD tokens\n * @param _tokenAmount The amount of `buyWith` tokens that should be converted to GD tokens\n * @param _minReturn The minimum allowed return in GD tokens\n * @return (gdReturn) How much GD tokens were transferred\n */\n function buy(\n ERC20 _buyWith,\n uint256 _tokenAmount,\n uint256 _minReturn\n ) public requireActive onlyCDai(_buyWith) returns (uint256) {\n require(\n _buyWith.allowance(msg.sender, address(this)) >= _tokenAmount,\n \"You need to approve cDAI transfer first\"\n );\n require(\n _buyWith.transferFrom(msg.sender, address(this), _tokenAmount) == true,\n \"transferFrom failed, make sure you approved cDAI transfer\"\n );\n uint256 gdReturn = marketMaker.buy(_buyWith, _tokenAmount);\n require(gdReturn >= _minReturn, \"GD return must be above the minReturn\");\n ERC20Mintable(address(avatar.nativeToken())).mint(msg.sender, gdReturn);\n emit TokenPurchased(\n msg.sender,\n address(_buyWith),\n _tokenAmount,\n _minReturn,\n gdReturn\n );\n return gdReturn;\n }\n\n /**\n * @dev Converts GD tokens to `sellTo` tokens and update the bonding curve params.\n * `sell` occurs only if the token return is above the given minimum. Notice that\n * there is a contribution amount from the given GD that remains in the reserve.\n * It is only possible to sell to cDAI and only when the contract is set to\n * active. MUST be called to G$ `approve` prior to this action to allow this\n * contract to accomplish the conversion.\n * @param _sellTo The tokens that will be received after the conversion\n * @param _gdAmount The amount of GD tokens that should be converted to `_sellTo` tokens\n * @param _minReturn The minimum allowed `sellTo` tokens return\n * @return (tokenReturn) How much `sellTo` tokens were transferred\n */\n function sell(\n ERC20 _sellTo,\n uint256 _gdAmount,\n uint256 _minReturn\n ) public requireActive onlyCDai(_sellTo) returns (uint256) {\n ERC20Burnable(address(avatar.nativeToken())).burnFrom(msg.sender, _gdAmount);\n uint256 contributionAmount = contribution.calculateContribution(\n marketMaker,\n this,\n msg.sender,\n _sellTo,\n _gdAmount\n );\n uint256 tokenReturn = marketMaker.sellWithContribution(\n _sellTo,\n _gdAmount,\n contributionAmount\n );\n require(tokenReturn >= _minReturn, \"Token return must be above the minReturn\");\n require(_sellTo.transfer(msg.sender, tokenReturn) == true, \"Transfer failed\");\n emit TokenSold(\n msg.sender,\n address(_sellTo),\n _gdAmount,\n contributionAmount,\n _minReturn,\n tokenReturn\n );\n return tokenReturn;\n }\n\n /**\n * @dev Current price of GD in `token`. currently only cDAI is supported.\n * @param _token The desired reserve token to have\n * @return price of GD\n */\n function currentPrice(ERC20 _token) public view returns (uint256) {\n return marketMaker.currentPrice(_token);\n }\n\n /**\n * @dev Checks if enough blocks have passed so it would be possible to\n * execute `mintInterestAndUBI` according to the length of `blockInterval`\n * @return (bool) True if enough blocks have passed\n */\n function canMint() public view returns (bool) {\n return block.number.div(blockInterval) > lastMinted;\n }\n\n /**\n * @dev Anyone can call this to trigger calculations.\n * Reserve sends UBI to Avatar DAO and returns interest to FundManager.\n * @param _interestToken The token that was transfered to the reserve\n * @param _transfered How much was transfered to the reserve for UBI in `_interestToken`\n * @param _interest Out of total transfered how much is the interest (in `_interestToken`)\n * that needs to be paid back (some interest might be donated)\n * @return (gdInterest, gdUBI) How much GD interest was minted and how much GD UBI was minted\n */\n function mintInterestAndUBI(\n ERC20 _interestToken,\n uint256 _transfered,\n uint256 _interest\n )\n public\n requireActive\n onlyCDai(_interestToken)\n onlyFundManager\n returns (uint256, uint256)\n {\n require(canMint(), \"Need to wait for the next interval\");\n uint256 price = currentPrice(_interestToken);\n uint256 gdInterestToMint = marketMaker.mintInterest(_interestToken, _transfered);\n GoodDollar gooddollar = GoodDollar(address(avatar.nativeToken()));\n uint256 precisionLoss = uint256(27).sub(uint256(gooddollar.decimals()));\n uint256 gdInterest = rdiv(_interest, price).div(10**precisionLoss);\n uint256 gdExpansionToMint = marketMaker.mintExpansion(_interestToken);\n uint256 gdUBI = gdInterestToMint.sub(gdInterest);\n gdUBI = gdUBI.add(gdExpansionToMint);\n uint256 toMint = gdUBI.add(gdInterest);\n ERC20Mintable(address(avatar.nativeToken())).mint(fundManager, toMint);\n lastMinted = block.number.div(blockInterval);\n emit UBIMinted(\n lastMinted,\n address(_interestToken),\n _transfered,\n gdInterestToMint,\n gdExpansionToMint,\n gdInterest,\n gdUBI\n );\n return (gdInterest, gdUBI);\n }\n\n /**\n * @dev Making the contract inactive after it has transferred the cDAI funds to `_avatar`\n * and has transferred the market maker ownership to `_avatar`. Inactive means that\n * buy / sell / mintInterestAndUBI actions will no longer be active. Only the Avatar can\n * executes this method\n */\n function end() public onlyAvatar {\n // remaining cDAI tokens in the current reserve contract\n uint256 remainingReserve = cDai.balanceOf(address(this));\n if (remainingReserve > 0) {\n require(\n cDai.transfer(address(avatar), remainingReserve),\n \"cdai transfer failed\"\n );\n }\n require(cDai.balanceOf(address(this)) == 0, \"Funds transfer has failed\");\n GoodDollar gooddollar = GoodDollar(address(avatar.nativeToken()));\n marketMaker.transferOwnership(address(avatar));\n gooddollar.renounceMinter();\n super.internalEnd(avatar);\n }\n\n /**\n * @dev method to recover any stuck erc20 tokens (ie compound COMP)\n * @param _token the ERC20 token to recover\n */\n function recover(ERC20 _token) public onlyAvatar {\n require(\n _token.transfer(address(avatar), _token.balanceOf(address(this))),\n \"recover transfer failed\"\n );\n }\n}\n", "sourcePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodReserveCDai.sol", "ast": { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodReserveCDai.sol", "exportedSymbols": { "ContributionCalc": [ 8343 ], "GoodReserveCDai": [ 9043 ], "cERC20": [ 8327 ] }, "id": 9044, "nodeType": "SourceUnit", "nodes": [ { "id": 8276, "literals": [ "solidity", ">", "0.5", ".4" ], "nodeType": "PragmaDirective", "src": "0:23:26" }, { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "file": "openzeppelin-solidity/contracts/math/SafeMath.sol", "id": 8277, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 21309, "src": "25:59:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "id": 8278, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 21850, "src": "85:63:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol", "id": 8279, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 21967, "src": "149:71:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol", "id": 8280, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 21881, "src": "221:71:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@daostack/arc/contracts/controller/Avatar.sol", "file": "@daostack/arc/contracts/controller/Avatar.sol", "id": 8281, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 12706, "src": "293:55:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/FeelessScheme.sol", "file": "../../contracts/dao/schemes/FeelessScheme.sol", "id": 8282, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 1228, "src": "349:55:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/dao/schemes/ActivePeriod.sol", "file": "../../contracts/dao/schemes/ActivePeriod.sol", "id": 8283, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 1005, "src": "405:54:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/DSMath.sol", "file": "../../contracts/DSMath.sol", "id": 8284, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 304, "src": "460:36:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/contracts/token/GoodDollar.sol", "file": "../../contracts/token/GoodDollar.sol", "id": 8285, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 3768, "src": "497:46:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodMarketMaker.sol", "file": "./GoodMarketMaker.sol", "id": 8286, "nodeType": "ImportDirective", "scope": 9044, "sourceUnit": 8275, "src": "544:31:26", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": null, "fullyImplemented": false, "id": 8327, "linearizedBaseContracts": [ 8327 ], "name": "cERC20", "nodeType": "ContractDefinition", "nodes": [ { "body": null, "documentation": null, "id": 8293, "implemented": false, "kind": "function", "modifiers": [], "name": "mint", "nodeType": "FunctionDefinition", "parameters": { "id": 8289, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8288, "name": "mintAmount", "nodeType": "VariableDeclaration", "scope": 8293, "src": "614:18:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8287, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "614:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "613:20:26" }, "returnParameters": { "id": 8292, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8291, "name": "", "nodeType": "VariableDeclaration", "scope": 8293, "src": "652:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8290, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "652:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "651:9:26" }, "scope": 8327, "src": "600:61:26", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" }, { "body": null, "documentation": null, "id": 8300, "implemented": false, "kind": "function", "modifiers": [], "name": "redeemUnderlying", "nodeType": "FunctionDefinition", "parameters": { "id": 8296, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8295, "name": "mintAmount", "nodeType": "VariableDeclaration", "scope": 8300, "src": "693:18:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8294, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "693:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "692:20:26" }, "returnParameters": { "id": 8299, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8298, "name": "", "nodeType": "VariableDeclaration", "scope": 8300, "src": "731:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8297, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "731:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "730:9:26" }, "scope": 8327, "src": "667:73:26", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" }, { "body": null, "documentation": null, "id": 8305, "implemented": false, "kind": "function", "modifiers": [], "name": "exchangeRateCurrent", "nodeType": "FunctionDefinition", "parameters": { "id": 8301, "nodeType": "ParameterList", "parameters": [], "src": "774:2:26" }, "returnParameters": { "id": 8304, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8303, "name": "", "nodeType": "VariableDeclaration", "scope": 8305, "src": "795:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8302, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "795:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "794:9:26" }, "scope": 8327, "src": "746:58:26", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" }, { "body": null, "documentation": null, "id": 8310, "implemented": false, "kind": "function", "modifiers": [], "name": "exchangeRateStored", "nodeType": "FunctionDefinition", "parameters": { "id": 8306, "nodeType": "ParameterList", "parameters": [], "src": "837:2:26" }, "returnParameters": { "id": 8309, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8308, "name": "", "nodeType": "VariableDeclaration", "scope": 8310, "src": "863:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8307, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "863:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "862:9:26" }, "scope": 8327, "src": "810:62:26", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": null, "documentation": null, "id": 8317, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 8313, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8312, "name": "addr", "nodeType": "VariableDeclaration", "scope": 8317, "src": "897:12:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8311, "name": "address", "nodeType": "ElementaryTypeName", "src": "897:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "896:14:26" }, "returnParameters": { "id": 8316, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8315, "name": "", "nodeType": "VariableDeclaration", "scope": 8317, "src": "934:7:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8314, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "934:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "933:9:26" }, "scope": 8327, "src": "878:65:26", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": null, "documentation": null, "id": 8326, "implemented": false, "kind": "function", "modifiers": [], "name": "transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 8322, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8319, "name": "to", "nodeType": "VariableDeclaration", "scope": 8326, "src": "967:10:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8318, "name": "address", "nodeType": "ElementaryTypeName", "src": "967:7:26", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8321, "name": "amount", "nodeType": "VariableDeclaration", "scope": 8326, "src": "979:14:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8320, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "979:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "966:28:26" }, "returnParameters": { "id": 8325, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8324, "name": "", "nodeType": "VariableDeclaration", "scope": 8326, "src": "1013:4:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 8323, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1013:4:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1012:6:26" }, "scope": 8327, "src": "949:70:26", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" } ], "scope": 9044, "src": "577:444:26" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "interfac