@dolomite-exchange/dolomite-margin

{ "contractName": "Cache", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"author\":\"dYdX * Library for caching information about markets\",\"methods\":{},\"title\":\"Cache\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Cache.sol\":\"Cache\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Bits.sol\":{\"keccak256\":\"0x6d9a641163b2dd25e648c65f5d9e4949a57938e29ddc4c9dddefd74a9964aeef\",\"urls\":[\"bzz-raw://67e5a04ed4055faafbc100d6ccca9c54448ed378a1a8c71171562edda7bcbf7c\",\"dweb:/ipfs/QmYRikK3Xbgiq3UBJkgoo2zNUSSrShVabpRHmQj6iQHhrc\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Cache.sol\":{\"keccak256\":\"0xe57c80a7621a77fcb2acb9f883fb5248e71a6dce03bc2db56df0db3fee332950\",\"urls\":[\"bzz-raw://28e221c04629674490b9a0041d4f9a5f15e669dc0cc192a5df6e2c701c36369f\",\"dweb:/ipfs/QmaL3oh8c7v9cx91pB175pyCEuzxnhNTab4UxmBMsDYfUx\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Decimal.sol\":{\"keccak256\":\"0xd9a348c2b1eec076609ba12bbec6b9c2e4ea135790a7ef4f5411feb050af2144\",\"urls\":[\"bzz-raw://d5bcff29e47d5cd02d7a9966e9f44c46ccbb4f0e4adfc4b0b86646880677db39\",\"dweb:/ipfs/QmRKfJD4FFM1AvTynSFNx1NcDg94o9SAcjz7dvMaJCfecp\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/DolomiteMarginMath.sol\":{\"keccak256\":\"0x53f205f6a779d579be29faa9412c806a892b3e605fff092dfd9d14d936fa019f\",\"urls\":[\"bzz-raw://0ff936f89602a63b8e6a4eb4ce8f87673c0f45b7ce29694920905a3f0b5a6a69\",\"dweb:/ipfs/QmbYME9BeEvPC1ndV8EaUDX5fDMghLc3rocNUxFtgHmg8m\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Interest.sol\":{\"keccak256\":\"0x141a0ecb4a746f0e5767df4b99dbe33c6362df507ae9d5c02da1c1c17bc26df3\",\"urls\":[\"bzz-raw://9ff03e64a8ce5231acde07788624bf8c7a8ff55d90b157fa32f62fa887a0eff0\",\"dweb:/ipfs/QmUVxxWeE954RDXbmHJAYnHsXcit6rSXGqZUigu8t9oH2z\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Monetary.sol\":{\"keccak256\":\"0x5257274f2d4d3605f3e97ec45fb902111fe9a22506f0b4cf308ea933bc81bfe2\",\"urls\":[\"bzz-raw://85b8023b78805063a2ec8d376f1f5983994eabd96efd8ceadb0224dbb71c5678\",\"dweb:/ipfs/QmaDhzCzRqsuHuJfhToEC4pATQHwhh7yWWsjwfuRzFT1kG\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Require.sol\":{\"keccak256\":\"0x05a2a90b41b6a5f42f0a72da63d015fb0b406a9ba2172823352e522e8bf3a606\",\"urls\":[\"bzz-raw://19883f0c6d33266f756ec5c3d17539524aa24b993c46c33f8400801d09373a6c\",\"dweb:/ipfs/QmYX2fwK3vQQDSZLMrc5wMfeb8RWrcC9CGX8XECLty8QDk\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Time.sol\":{\"keccak256\":\"0x87ee8d3c1d6e315a116426d8c8fc6f083e220fd14dda27fad4e8d7cab3dc7305\",\"urls\":[\"bzz-raw://7c20f2c52da682c3b5917fb6a19e81f43699b1d13c62b569ed723f34da72e766\",\"dweb:/ipfs/QmbXWYXi67nHBVNDKYUpo2E9ZaEVcHLvmXQkpYLMm1d5Vm\"]},\"/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Types.sol\":{\"keccak256\":\"0xe1bab8c8799d83e86c7a49aaf815d8e3bc8d09562d46d44d921500db5e98de0e\",\"urls\":[\"bzz-raw://8ea3d0cc4fdab6dd9bba545a792170f939b342d8d1a7051c1c6365009af72658\",\"dweb:/ipfs/QmaLJgbavu88eEit6JPqfWnw6NmGBDZfveMXxumgWywBFG\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x640b6dee7a4b830bdfd52b5031a07fc2b12209f5b2e29e5d364a7d37f69d8076\",\"urls\":[\"bzz-raw://31113152e1ddb78fe7a4197f247591ca894e93f916867beb708d8e747b6cc74f\",\"dweb:/ipfs/QmbZaJyXdpsYGykVhHH9qpVGQg9DGCxE2QufbCUy3daTgq\"]}},\"version\":1}", "bytecode": "0x60636023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea365627a7a72315820f0853b835951bace51b28d7fe3a1adc3a82032df266a2f029a411fb6ab4817446c6578706572696d656e74616cf564736f6c63430005100040", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea365627a7a72315820f0853b835951bace51b28d7fe3a1adc3a82032df266a2f029a411fb6ab4817446c6578706572696d656e74616cf564736f6c63430005100040", "sourceMap": "918:3738:90:-;;132:2:-1;166:7;155:9;146:7;137:37;255:7;249:14;246:1;241:23;235:4;232:33;222:2;;269:9;222:2;293:9;290:1;283:20;323:4;314:7;306:22;347:7;338;331:24", "deployedSourceMap": "918:3738:90:-;;;;;;;;", "source": "/*\n\n Copyright 2019 dYdX Trading Inc.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.5.7;\npragma experimental ABIEncoderV2;\n\nimport { Bits } from \"./Bits.sol\";\nimport { Interest } from \"./Interest.sol\";\nimport { Monetary } from \"./Monetary.sol\";\nimport { Require } from \"./Require.sol\";\n\n\n/**\n * @title Cache\n * @author dYdX\n *\n * Library for caching information about markets\n */\nlibrary Cache {\n\n // ============ Constants ============\n\n bytes32 private constant FILE = \"Cache\";\n\n // ============ Structs ============\n\n struct MarketInfo {\n uint marketId;\n address token;\n bool isClosing;\n uint128 borrowPar;\n uint128 supplyPar;\n Interest.Index index;\n Monetary.Price price;\n }\n\n struct MarketCache {\n MarketInfo[] markets;\n uint256 counter; // used for iterating through the bitmaps and incrementing\n uint256[] marketBitmaps;\n uint256 marketsLength;\n }\n\n // ============ Setter Functions ============\n\n /**\n * Initialize an empty cache for some given number of total markets.\n */\n function create(\n uint256 numMarkets\n )\n internal\n pure\n returns (MarketCache memory)\n {\n return MarketCache({\n markets: new MarketInfo[](0),\n counter: 0,\n marketBitmaps: Bits.createBitmaps(numMarkets),\n marketsLength: 0\n });\n }\n\n // ============ Getter Functions ============\n\n function getNumMarkets(\n MarketCache memory cache\n )\n internal\n pure\n returns (uint256)\n {\n return cache.markets.length;\n }\n\n function hasMarket(\n MarketCache memory cache,\n uint256 marketId\n )\n internal\n pure\n returns (bool)\n {\n return Bits.hasBit(cache.marketBitmaps, marketId);\n }\n\n function get(\n MarketCache memory cache,\n uint256 marketId\n )\n internal\n pure\n returns (MarketInfo memory)\n {\n Require.that(\n cache.markets.length != 0,\n FILE,\n \"not initialized\"\n );\n return _getInternal(\n cache.markets,\n 0,\n cache.marketsLength,\n marketId\n );\n }\n\n function set(\n MarketCache memory cache,\n uint256 marketId\n )\n internal\n pure\n {\n // Devs should not be able to call this function once the `markets` array has been initialized (non-zero length)\n Require.that(\n cache.markets.length == 0,\n FILE,\n \"already initialized\"\n );\n\n Bits.setBit(cache.marketBitmaps, marketId);\n\n cache.marketsLength += 1;\n }\n\n function getAtIndex(\n MarketCache memory cache,\n uint256 index\n )\n internal\n pure\n returns (MarketInfo memory)\n {\n Require.that(\n index < cache.markets.length,\n FILE,\n \"invalid index\",\n index,\n cache.markets.length\n );\n return cache.markets[index];\n }\n\n // ============ Private Functions ============\n\n function _getInternal(\n MarketInfo[] memory data,\n uint beginInclusive,\n uint endExclusive,\n uint marketId\n ) private pure returns (MarketInfo memory) {\n uint len = endExclusive - beginInclusive;\n // If length equals 0 OR length equals 1 but the item wasn't found, revert\n assert(!(len == 0 || (len == 1 && data[beginInclusive].marketId != marketId)));\n\n uint mid = beginInclusive + (len >> 1);\n uint midMarketId = data[mid].marketId;\n if (marketId < midMarketId) {\n return _getInternal(\n data,\n beginInclusive,\n mid,\n marketId\n );\n } else if (marketId > midMarketId) {\n return _getInternal(\n data,\n mid + 1,\n endExclusive,\n marketId\n );\n } else {\n return data[mid];\n }\n }\n\n}\n", "sourcePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Cache.sol", "ast": { "absolutePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Cache.sol", "exportedSymbols": { "Cache": [ 25932 ] }, "id": 25933, "nodeType": "SourceUnit", "nodes": [ { "id": 25658, "literals": [ "solidity", "^", "0.5", ".7" ], "nodeType": "PragmaDirective", "src": "603:23:90" }, { "id": 25659, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "627:33:90" }, { "absolutePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Bits.sol", "file": "./Bits.sol", "id": 25661, "nodeType": "ImportDirective", "scope": 25933, "sourceUnit": 25657, "src": "662:34:90", "symbolAliases": [ { "foreign": 25660, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Interest.sol", "file": "./Interest.sol", "id": 25663, "nodeType": "ImportDirective", "scope": 25933, "sourceUnit": 27751, "src": "697:42:90", "symbolAliases": [ { "foreign": 25662, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Monetary.sol", "file": "./Monetary.sol", "id": 25665, "nodeType": "ImportDirective", "scope": 25933, "sourceUnit": 27761, "src": "740:42:90", "symbolAliases": [ { "foreign": 25664, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/cdc218/projects/dolomite/dolomite-protocol-v2/contracts/protocol/lib/Require.sol", "file": "./Require.sol", "id": 25667, "nodeType": "ImportDirective", "scope": 25933, "sourceUnit": 28453, "src": "783:40:90", "symbolAliases": [ { "foreign": 25666, "local": null } ], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title Cache\n@author dYdX\n * Library for caching information about markets", "fullyImplemented": true, "id": 25932, "linearizedBaseContracts": [ 25932 ], "name": "Cache", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 25670, "name": "FILE", "nodeType": "VariableDeclaration", "scope": 25932, "src": "983:39:90", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 25668, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "983:7:90", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": { "argumentTypes": null, "hexValue": "4361636865", "id": 25669, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1015:7:90", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ae23ae76ade5c90c9befce8f022bdd8f930bbd66dd5fd4eb31341a4923a85082", "typeString": "literal_string \"Cache\"" }, "value": "Cache" }, "visibility": "private" }, { "canonicalName": "Cache.MarketInfo", "id": 25685, "members": [ { "constant": false, "id": 25672, "name": "marketId", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1099:13:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25671, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1099:4:90", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25674, "name": "token", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1122:13:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 25673, "name": "address", "nodeType": "ElementaryTypeName", "src": "1122:7:90", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25676, "name": "isClosing", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1145:14:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 25675, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1145:4:90", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25678, "name": "borrowPar", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1169:17:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 25677, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1169:7:90", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25680, "name": "supplyPar", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1196:17:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 25679, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1196:7:90", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25682, "name": "index", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1223:20:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Index_$27471_storage_ptr", "typeString": "struct Interest.Index" }, "typeName": { "contractScope": null, "id": 25681, "name": "Interest.Index", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 27471, "src": "1223:14:90", "typeDescriptions": { "typeIdentifier": "t_struct$_Index_$27471_storage_ptr", "typeString": "struct Interest.Index" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25684, "name": "price", "nodeType": "VariableDeclaration", "scope": 25685, "src": "1253:20:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Price_$27756_storage_ptr", "typeString": "struct Monetary.Price" }, "typeName": { "contractScope": null, "id": 25683, "name": "Monetary.Price", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 27756, "src": "1253:14:90", "typeDescriptions": { "typeIdentifier": "t_struct$_Price_$27756_storage_ptr", "typeString": "struct Monetary.Price" } }, "value": null, "visibility": "internal" } ], "name": "MarketInfo", "nodeType": "StructDefinition", "scope": 25932, "src": "1071:209:90", "visibility": "public" }, { "canonicalName": "Cache.MarketCache", "id": 25696, "members": [ { "constant": false, "id": 25688, "name": "markets", "nodeType": "VariableDeclaration", "scope": 25696, "src": "1315:20:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_MarketInfo_$25685_storage_$dyn_storage_ptr", "typeString": "struct Cache.MarketInfo[]" }, "typeName": { "baseType": { "contractScope": null, "id": 25686, "name": "MarketInfo", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 25685, "src": "1315:10:90", "typeDescriptions": { "typeIdentifier": "t_struct$_MarketInfo_$25685_storage_ptr", "typeString": "struct Cache.MarketInfo" } }, "id": 25687, "length": null, "nodeType": "ArrayTypeName", "src": "1315:12:90", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_MarketInfo_$25685_storage_$dyn_storage_ptr", "typeString": "struct Cache.MarketInfo[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25690, "name": "counter", "nodeType": "VariableDeclaration", "scope": 25696, "src": "1345:15:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25689, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1345:7:90", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25693, "name": "marketBitmaps", "nodeType": "VariableDeclaration", "scope": 25696, "src": "1429:23:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage_ptr", "typeString": "uint256[]" }, "typeName": { "baseType": { "id": 25691, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1429:7:90", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 25692, "length": null, "nodeType": "ArrayTypeName", "src": "1429:9:90", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage_ptr", "typeString": "uint256[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 25695, "name": "marketsLength", "nodeType": "VariableDeclaration", "scope": 25696, "src": "1462:21:90", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25694, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1462:7:90", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "name": "MarketCache", "nodeType": "StructDefinition", "scope": 25932, "src": "1286:204:90", "visibility": "public" }, { "body": { "id": 25717, "nodeType": "Block", "src": "1757:202:90", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 25707, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1826:1:90", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 25706, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "1809:16:90", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_array$_t_struct$_MarketInfo_$25685_memory_$dyn_memory_$", "typeString": "function (uint256) pure returns (struct Cache.MarketInfo memory[] memory)" }, "typeName": { "baseType": { "contractScope": null, "id": 25704, "name": "MarketInfo", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 25685, "src": "1813:10:90", "typeDescriptions": { "typeIdentifier": "t_struct$_MarketInfo_$25685_storage_ptr", "typeString": "struct Cache.MarketInfo" } }, "id": 25705, "length": null, "nodeType": "ArrayTypeName", "src": "1813:12:90", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_MarketInfo_$25685_storage_$dyn_storage_ptr", "typeString": "struct Cache.MarketInfo[]" } } }, "id": 25708, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", 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