@gooddollar/goodcontracts

{ "contractName": "StakingContract", "abi": [ { "constant": false, "inputs": [ { "internalType": "address", "name": "recipient", "type": "address" } ], "name": "collectUBIInterest", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" }, { "internalType": "uint256", "name": "", "type": "uint256" }, { "internalType": "uint256", "name": "", "type": "uint256" }, { "internalType": "uint32", "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"}],\"name\":\"collectUBIInterest\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodFundManager.sol\":\"StakingContract\"},\"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://23c6491c0c2647131501068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"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 \"@daostack/arc/contracts/controller/Avatar.sol\";\nimport \"../../contracts/dao/schemes/FeelessScheme.sol\";\nimport \"../../contracts/dao/schemes/ActivePeriod.sol\";\nimport \"./GoodReserveCDai.sol\";\n\n\ninterface StakingContract {\n function collectUBIInterest(address recipient)\n external\n returns (uint256, uint256, uint256, uint32);\n}\n\n\n/**\n * @title GoodFundManager contract that transfer interest from the staking contract\n * to the reserve contract and transfer the return mintable tokens to the staking\n * contract\n * cDAI support only\n */\ncontract GoodFundManager is FeelessScheme, ActivePeriod {\n using SafeMath for uint256;\n\n // The address of cDai\n ERC20 public cDai;\n\n // The address of the reserve contract\n // which recieves the funds from the\n // staking contract\n GoodReserveCDai public reserve;\n\n // The address of the bridge contract\n // which transfers in his turn the\n // UBI funds to the given recipient\n // address on the sidechain\n address public bridgeContract;\n\n // The recipient address on the\n // sidechain. The bridge transfers\n // the funds to the following address\n address public ubiRecipient;\n\n // Determines how many blocks should\n // be passed before the next\n // execution of `transferInterest`\n uint256 public blockInterval;\n\n // Last block number which `transferInterest`\n // has been executed in\n uint256 public lastTransferred;\n\n // Emits when `transferInterest` transfers\n // funds to the staking contract and to\n // the bridge\n event FundsTransferred(\n // The caller address\n address indexed caller,\n // The staking contract address\n address indexed staking,\n // The reserve contract address\n address indexed reserve,\n // Amount of cDai that was transferred\n // from the staking contract to the\n // reserve contract\n uint256 cDAIinterestEarned,\n // How much interest has been donated\n // according to the given donation\n // ratio which determined in the\n // staking contract\n uint256 cDAIinterestDonated,\n // The number of tokens that have been minted\n // by the reserve to the staking contract\n uint256 gdInterest,\n // The number of tokens that have been minted\n // by the reserve to the bridge which in his\n // turn should transfer those funds to the\n // sidechain\n uint256 gdUBI\n );\n\n modifier reserveHasInitialized {\n require(address(reserve) != address(0), \"reserve has not initialized\");\n _;\n }\n\n /**\n * @dev Constructor\n * @param _avatar The avatar of the DAO\n * @param _identity The identity contract\n * @param _cDai The address of cDai\n * @param _bridgeContract The address of the bridge contract\n * @param _ubiRecipient The recipient address on the sidechain\n * @param _blockInterval How many blocks should be passed before the next execution of `transferInterest\n */\n constructor(\n Avatar _avatar,\n Identity _identity,\n address _cDai,\n address _bridgeContract,\n address _ubiRecipient,\n uint256 _blockInterval\n )\n public\n FeelessScheme(_identity, _avatar)\n ActivePeriod(now, now * 2, _avatar)\n {\n cDai = ERC20(_cDai);\n bridgeContract = _bridgeContract;\n ubiRecipient = _ubiRecipient;\n blockInterval = _blockInterval;\n lastTransferred = block.number.div(blockInterval);\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 super.start();\n }\n\n /**\n * @dev Sets the whitelisted reserve. Only Avatar\n * can call this method.\n * @param _reserve The new reserve to be whitelisted\n */\n function setReserve(GoodReserveCDai _reserve) public onlyAvatar {\n reserve = _reserve;\n }\n\n /**\n * @dev sets the token bridge address on mainnet and the recipient of minted UBI (avatar on sidechain)\n * @param _bridgeContract address\n * @param _recipient address\n */\n\n /**\n * @dev Sets the bridge address on the current network and the recipient\n * address on the sidechain. Only Avatar can call this method.\n * @param _bridgeContract The new bridge address\n * @param _recipient The new recipient address (NOTICE: this address may be a\n * sidechain address)\n */\n function setBridgeAndUBIRecipient(\n address _bridgeContract,\n address _recipient\n )\n public\n onlyAvatar\n {\n bridgeContract = _bridgeContract;\n ubiRecipient = _recipient;\n }\n\n /**\n * @dev Allows the DAO to change the block interval\n * @param _blockInterval the new interval value\n */\n function setBlockInterval(\n uint256 _blockInterval\n )\n public\n onlyAvatar\n {\n blockInterval = _blockInterval;\n }\n\n /**\n * @dev Checks if enough time has passed away since the\n * last funds transfer time\n * @return (bool) True if enough time has passed\n */\n function canRun() public view returns(bool)\n {\n return block.number.div(blockInterval) > lastTransferred;\n }\n\n /**\n * @dev Collects UBI interest in cDai from a given staking contract and transfers\n * that interest to the reserve contract. Then transfers the given gd which\n * received from the reserve contract back to the staking contract and to the\n * bridge, which locks the funds and then the GD tokens are been minted to the\n * given address on the sidechain\n * @param _staking Contract that implements `collectUBIInterest` and transfer cDai to\n * a given address. The given address should be the same whitelisted `reserve`\n * address in the current contract, in case that the given staking contract transfers\n * the funds to another contract, zero GD tokens will be minted by the reserve contract.\n * Emits `FundsTransferred` event in case which interest has been passed to the `reserve`\n */\n function transferInterest(StakingContract _staking)\n public\n requireActive\n reserveHasInitialized\n requireDAOContract(address(_staking))\n {\n require(\n canRun(),\n \"Need to wait for the next interval\"\n );\n\n lastTransferred = block.number.div(blockInterval);\n\n // cDai balance of the reserve contract\n uint256 currentBalance = cDai.balanceOf(address(reserve));\n\n // Collects the interest from the staking contract and transfers\n // it directly to the reserve contract. `collectUBIInterest` returns\n // (cdaigains, daigains, precission loss, donation ratio)\n (, , , uint32 donationRatio) = _staking.collectUBIInterest(\n address(reserve)\n );\n\n // Finds the actual transferred cDai\n uint256 interest = cDai.balanceOf(address(reserve)).sub(\n currentBalance\n );\n\n uint256 interestDonated = interest.mul(donationRatio).div(1e6);\n uint256 afterDonation = interest.sub(interestDonated);\n // Mints gd while the interest amount is equal to the transferred amount\n (uint256 gdInterest, uint256 gdUBI) = reserve.mintInterestAndUBI(\n cDai,\n interest,\n afterDonation\n );\n // Transfers the minted tokens to the given staking contract\n GoodDollar token = GoodDollar(address(avatar.nativeToken()));\n if(gdInterest > 0)\n require(token.transfer(address(_staking), gdInterest),\"interest transfer failed\");\n if(gdUBI > 0)\n //transfer ubi to avatar on sidechain via bridge\n require(token.transferAndCall(\n bridgeContract,\n gdUBI,\n abi.encodePacked(ubiRecipient)\n ),\"ubi bridge transfer failed\");\n emit FundsTransferred(\n msg.sender,\n address(_staking),\n address(reserve),\n interest,\n interestDonated,\n gdInterest,\n gdUBI\n );\n }\n\n /**\n * @dev Making the contract inactive after it has transferred funds to `_avatar`.\n * Only the avatar can destroy the contract.\n */\n function end() public onlyAvatar {\n // Transfers the remaining amount of cDai and GD to the avatar\n uint256 remainingCDaiReserve = cDai.balanceOf(address(this));\n if (remainingCDaiReserve > 0) {\n require(cDai.transfer(address(avatar), remainingCDaiReserve),\"cdai transfer failed\");\n }\n GoodDollar token = GoodDollar(address(avatar.nativeToken()));\n uint256 remainingGDReserve = token.balanceOf(address(this));\n if (remainingGDReserve > 0) {\n require(token.transfer(address(avatar), remainingGDReserve),\"gd transfer failed\");\n }\n super.internalEnd(avatar);\n }\n}\n", "sourcePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodFundManager.sol", "ast": { "absolutePath": "/Users/hadar/workspace/GoodDollar/GoodBootstrap/packages/contracts/stakingModel/contracts/GoodFundManager.sol", 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