jcc-solidity-utils

{ "contractName": "BalanceList", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.4.24+commit.e67f0147\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/list/BalanceList.sol\":\"BalanceList\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/list/BalanceList.sol\":{\"keccak256\":\"0x2906ed3a67d18deb64a973c72383c5973e99261b580f35334358687019259d1d\",\"urls\":[\"bzzr://b0b2d9f12203b12bc44278243e2855d059a7a369f1606e25aff9ac639fa13468\"]},\"/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x239546071316c89d3bbc9e61b2ccae270a4493bbd2f7c240052f533807d50ab7\",\"urls\":[\"bzzr://267bf48e0a30f7b671aa3c98a6b27ffe7bc64efd6533f49e54188b520baa94c5\"]}},\"version\":1}", "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a7230582078e39fc140c21e65d3b39f351a70bca948bac5ec93f1686f2f954d4b9e1e25600029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a7230582078e39fc140c21e65d3b39f351a70bca948bac5ec93f1686f2f954d4b9e1e25600029", "sourceMap": "173:3238:13:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24", "deployedSourceMap": "173:3238:13:-;;;;;;;;", "source": "pragma solidity >=0.4.24;\n\nimport \"../math/SafeMath.sol\";\n\n/**\n * @dev 资产列表共通，除资产负债之外提供一个账目清单数组，便于统计和查找.\n */\nlibrary BalanceList {\n using SafeMath for uint256;\n\n struct element {\n address addr;\n uint256 idx;\n uint256 balance;\n }\n struct balanceMap {\n mapping(address => uint256) mapList;\n element[] list;\n }\n\n function exist(balanceMap storage self, address _addr)\n internal\n view\n returns (bool)\n {\n if (self.list.length == 0) return false;\n return (self.list[self.mapList[_addr]].addr == _addr);\n }\n\n function insert(\n balanceMap storage self,\n address _addr,\n uint256 _amount\n ) internal returns (bool) {\n element memory e =\n element({addr: _addr, idx: self.list.length, balance: _amount});\n self.list.push(e);\n self.mapList[_addr] = e.idx;\n return true;\n }\n\n function remove(balanceMap storage self, address _addr)\n internal\n returns (bool)\n {\n if (!exist(self, _addr)) {\n return false;\n }\n if (self.list[self.mapList[_addr]].balance > 0) {\n return false;\n }\n\n uint256 row2Del = self.mapList[_addr];\n element storage keyToMove = self.list[self.list.length.sub(1)];\n self.list[row2Del] = keyToMove;\n self.mapList[keyToMove.addr] = row2Del;\n self.list.length = self.list.length.sub(1);\n\n return true;\n }\n\n function add(\n balanceMap storage self,\n address _addr,\n uint256 _amount\n ) internal returns (uint256) {\n // 对于已经存在的数据更新状态即可\n if (exist(self, _addr)) {\n self.list[self.mapList[_addr]].balance = self.list[self.mapList[_addr]]\n .balance\n .add(_amount);\n } else {\n // 新建数据\n require(insert(self, _addr, _amount), \"insert data fail\");\n }\n\n return self.list[self.mapList[_addr]].balance;\n }\n\n function sub(\n balanceMap storage self,\n address _addr,\n uint256 _amount\n ) internal returns (uint256) {\n require(exist(self, _addr), \"can not sub no exist element\");\n\n self.list[self.mapList[_addr]].balance = self.list[self.mapList[_addr]]\n .balance\n .sub(_amount);\n\n if (self.list[self.mapList[_addr]].balance == 0) {\n require(remove(self, _addr), \"remove data fail\");\n return 0;\n }\n\n return self.list[self.mapList[_addr]].balance;\n }\n\n function count(balanceMap storage self) internal view returns (uint256) {\n return self.list.length;\n }\n\n function balance(balanceMap storage self, address _addr)\n internal\n view\n returns (uint256)\n {\n return exist(self, _addr) ? self.list[self.mapList[_addr]].balance : 0;\n }\n\n function get(balanceMap storage self, uint256 index)\n internal\n view\n returns (element memory)\n {\n require(index < self.list.length, \"index must small than current count\");\n\n return self.list[index];\n }\n\n // 获取指定下标范围的数据，本函数可以用于分页查询\n function getList(\n balanceMap storage self,\n uint256 from,\n uint256 _count\n ) internal view returns (element[] memory) {\n require(_count > 0, \"count number must bigger than 0\");\n\n uint256 _idx = 0;\n element[] memory res = new element[](_count);\n\n for (uint256 i = from; i < self.list.length; i++) {\n if (_idx == _count) {\n break;\n }\n\n res[_idx] = self.list[i];\n _idx = _idx.add(1);\n }\n\n return res;\n }\n}\n", "sourcePath": "/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/list/BalanceList.sol", "ast": { "absolutePath": 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pointer" } }, "id": 1959, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "list", "nodeType": "MemberAccess", "referencedDeclaration": 1904, "src": "819:9:13", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_element_$1897_storage_$dyn_storage", "typeString": "struct BalanceList.element storage ref[] storage ref" } }, "id": 1960, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "push", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "819:14:13", "typeDescriptions": { "typeIdentifier": "t_function_arraypush_nonpayable$_t_struct$_element_$1897_storage_$returns$_t_uint256_$", "typeString": "function (struct BalanceList.element storage ref) returns (uint256)" } }, "id": 1962, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "819:17:13", "typeDescriptions": { 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"id": 1968, "indexExpression": { "argumentTypes": null, "id": 1966, "name": "_addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1939, "src": "855:5:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "842:19:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1969, "name": "e", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1947, "src": "864:1:13", "typeDescriptions": { "typeIdentifier": "t_struct$_element_$1897_memory_ptr", "typeString": "struct BalanceList.element memory" } }, "id": 1970, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "idx", "nodeType": "MemberAccess", "referencedDeclaration": 1894, "src": "864:5:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "842:27:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1972, "nodeType": "ExpressionStatement", "src": "842:27:13" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 1973, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "882:4:13", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 1945, "id": 1974, "nodeType": "Return", "src": "875:11:13" } ] }, "documentation": null, "id": 1976, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "insert", "nodeType": "FunctionDefinition", "parameters": { "id": 1942, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1937, "name": "self", "nodeType": "VariableDeclaration", "scope": 1976, "src": "627:23:13", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_balanceMap_$1905_storage_ptr", "typeString": "struct BalanceList.balanceMap" }, "typeName": { "contractScope": null, "id": 1936, "name": "balanceMap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1905, "src": "627:10:13", "typeDescriptions": { "typeIdentifier": "t_struct$_balanceMap_$1905_storage_ptr", "typeString": "struct BalanceList.balanceMap" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1939, "name": "_addr", "nodeType": "VariableDeclaration", "scope": 1976, "src": "656:13:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1938, "name": "address", "nodeType": "ElementaryTypeName", "src": "656:7:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1941, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 1976, "src": "675:15:13", "stateVariable": false, "sto