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"source": "pragma solidity ^0.7.4;\n\nimport \"./Digest.sol\";\nimport \"../BytesUtils.sol\";\nimport \"@ensdomains/solsha1/contracts/SHA1.sol\";\n\n/**\n* @dev Implements the DNSSEC SHA1 digest.\n*/\ncontract SHA1Digest is Digest {\n using BytesUtils for *;\n\n function verify(bytes calldata data, bytes calldata hash) external override pure returns (bool) {\n bytes32 expected = hash.readBytes20(0);\n bytes20 computed = SHA1.sha1(data);\n return expected == computed;\n }\n}\n", "sourcePath": "/home/arachnid/Dropbox/projects/enssec/contracts/digests/SHA1Digest.sol", "ast": { "absolutePath": "/home/arachnid/Dropbox/projects/enssec/contracts/digests/SHA1Digest.sol", "exportedSymbols": { "BytesUtils": [ 730 ], "Digest": [ 5741 ], "SHA1": [ 6448 ], "SHA1Digest": [ 5801 ] }, "id": 5802, "nodeType": "SourceUnit", "nodes": [ { "id": 5763, "literals": [ "solidity", "^", "0.7", ".4" ], "nodeType": "PragmaDirective", "src": "0:23:16" }, { "absolutePath": "/home/arachnid/Dropbox/projects/enssec/contracts/digests/Digest.sol", "file": "./Digest.sol", "id": 5764, "nodeType": "ImportDirective", "scope": 5802, "sourceUnit": 5742, "src": "25:22:16", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/arachnid/Dropbox/projects/enssec/contracts/BytesUtils.sol", "file": "../BytesUtils.sol", "id": 5765, "nodeType": "ImportDirective", "scope": 5802, "sourceUnit": 731, "src": "48:27:16", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@ensdomains/solsha1/contracts/SHA1.sol", "file": "@ensdomains/solsha1/contracts/SHA1.sol", "id": 5766, "nodeType": "ImportDirective", "scope": 5802, "sourceUnit": 6449, "src": "76:48:16", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 5768, "name": "Digest", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5741, "src": "198:6:16", "typeDescriptions": { "typeIdentifier": "t_contract$_Digest_$5741", "typeString": "contract Digest" 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