{ "contractName": "HashList", "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/HashList.sol\":\"HashList\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/list/HashList.sol\":{\"keccak256\":\"0xf3dbb1450bc3a8e1d0d97d15d105fff11fa689f705416ae5d314ac16e839cead\",\"urls\":[\"bzzr://3e768231f6e9bb4f62bbbe7f83653a3384732d9419a673d5d82708b6b1ec2c18\"]},\"/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x239546071316c89d3bbc9e61b2ccae270a4493bbd2f7c240052f533807d50ab7\",\"urls\":[\"bzzr://267bf48e0a30f7b671aa3c98a6b27ffe7bc64efd6533f49e54188b520baa94c5\"]}},\"version\":1}", "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820735cc7feaf7df668d4bff24efd22b0a7451a4521baa4dc7f6832ecc62b729eec0029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820735cc7feaf7df668d4bff24efd22b0a7451a4521baa4dc7f6832ecc62b729eec0029", "sourceMap": "158:1960:16:-;;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": "158:1960:16:-;;;;;;;;", "source": "pragma solidity >=0.4.24;\n\nimport \"../math/SafeMath.sol\";\n\n/**\n * @dev 交易列表共通，处理交易列表hash数据，只能顺序增加且不重复\n */\nlibrary HashList {\n using SafeMath for uint256;\n\n struct hashMap {\n mapping(bytes32 => uint256) mapList;\n bytes32[] list;\n }\n\n function exist(hashMap storage self, bytes32 _hash)\n internal\n view\n returns (bool)\n {\n if (self.list.length == 0) return false;\n return (self.list[self.mapList[_hash]] == _hash);\n }\n\n /**\n @dev 增加新地址，重复的地址返回失败\n */\n function insert(hashMap storage self, bytes32 _hash) internal returns (bool) {\n if (exist(self, _hash)) {\n return false;\n }\n\n self.mapList[_hash] = self.list.push(_hash).sub(1);\n\n return true;\n }\n\n /**\n @dev 删除地址，相应的下标索引数组自动缩减\n */\n function remove(hashMap storage self, bytes32 _hash) internal returns (bool) {\n if (!exist(self, _hash)) {\n return false;\n }\n\n uint256 row2Del = self.mapList[_hash];\n bytes32 keyToMove = self.list[self.list.length.sub(1)];\n self.list[row2Del] = keyToMove;\n self.mapList[keyToMove] = row2Del;\n self.list.length = self.list.length.sub(1);\n\n return true;\n }\n\n function count(hashMap storage self) internal view returns (uint256) {\n return self.list.length;\n }\n\n function get(hashMap storage self, uint256 index)\n internal\n view\n returns (bytes32)\n {\n require(index < self.list.length, \"index must small than current count\");\n return self.list[index];\n }\n\n /**\n @dev 从指定位置返回多条（不多于count）地址记录,如果不足则空缺\n */\n function getList(\n hashMap storage self,\n uint256 from,\n uint256 _count\n ) internal view returns (bytes32[] memory) {\n uint256 _idx = 0;\n require(_count > 0, \"return number must bigger than 0\");\n bytes32[] memory res = new bytes32[](_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/HashList.sol", "ast": { "absolutePath": "/Users/chtian/Documents/01_work/01_develope/jcc/jcc-solidity-utils/contracts/list/HashList.sol", "exportedSymbols": { "HashList": [ 4016 ] }, "id": 4017, "nodeType": "SourceUnit", "nodes": [ { "id": 3762, "literals": [ "solidity", ">=", "0.4", ".24" ], "nodeType": 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