{ "contractName": "BytesUtils", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058203e67d01bd080169e636c176699fbb630e5afe7d4af8b73de680e55e445afff890029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058203e67d01bd080169e636c176699fbb630e5afe7d4af8b73de680e55e445afff890029", "sourceMap": "26:11137:4:-;;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": "26:11137:4:-;;;;;;;;", "source": "pragma solidity >0.4.23;\n\nlibrary BytesUtils {\n /*\n * @dev Returns the keccak-256 hash of a byte range.\n * @param self The byte string to hash.\n * @param offset The position to start hashing at.\n * @param len The number of bytes to hash.\n * @return The hash of the byte range.\n */\n function keccak(bytes memory self, uint offset, uint len) internal pure returns (bytes32 ret) {\n require(offset + len <= self.length);\n assembly {\n ret := keccak256(add(add(self, 32), offset), len)\n }\n }\n\n\n /*\n * @dev Returns a positive number if `other` comes lexicographically after\n * `self`, a negative number if it comes before, or zero if the\n * contents of the two bytes are equal.\n * @param self The first bytes to compare.\n * @param other The second bytes to compare.\n * @return The result of the comparison.\n */\n function compare(bytes memory self, bytes memory other) internal pure returns (int) {\n return compare(self, 0, self.length, other, 0, other.length);\n }\n\n /*\n * @dev Returns a positive number if `other` comes lexicographically after\n * `self`, a negative number if it comes before, or zero if the\n * contents of the two bytes are equal. Comparison is done per-rune,\n * on unicode codepoints.\n * @param self The first bytes to compare.\n * @param offset The offset of self.\n * @param len The length of self.\n * @param other The second bytes to compare.\n * @param otheroffset The offset of the other string.\n * @param otherlen The length of the other string.\n * @return The result of the comparison.\n */\n function compare(bytes memory self, uint offset, uint len, bytes memory other, uint otheroffset, uint otherlen) internal pure returns (int) {\n uint shortest = len;\n if (otherlen < len)\n shortest = otherlen;\n\n uint selfptr;\n uint otherptr;\n\n assembly {\n selfptr := add(self, add(offset, 32))\n otherptr := add(other, add(otheroffset, 32))\n }\n for (uint idx = 0; idx < shortest; idx += 32) {\n uint a;\n uint b;\n assembly {\n a := mload(selfptr)\n b := mload(otherptr)\n }\n if (a != b) {\n // Mask out irrelevant bytes and check again\n uint mask;\n if (shortest > 32) {\n mask = uint256(- 1); // aka 0xffffff....\n } else {\n mask = ~(2 ** (8 * (32 - shortest + idx)) - 1);\n }\n uint diff = (a & mask) - (b & mask);\n if (diff != 0)\n return int(diff);\n }\n selfptr += 32;\n otherptr += 32;\n }\n\n return int(len) - int(otherlen);\n }\n\n /*\n * @dev Returns true if the two byte ranges are equal.\n * @param self The first byte range to compare.\n * @param offset The offset into the first byte range.\n * @param other The second byte range to compare.\n * @param otherOffset The offset into the second byte range.\n * @param len The number of bytes to compare\n * @return True if the byte ranges are equal, false otherwise.\n */\n function equals(bytes memory self, uint offset, bytes memory other, uint otherOffset, uint len) internal pure returns (bool) {\n return keccak(self, offset, len) == keccak(other, otherOffset, len);\n }\n\n /*\n * @dev Returns true if the two byte ranges are equal with offsets.\n * @param self The first byte range to compare.\n * @param offset The offset into the first byte range.\n * @param other The second byte range to compare.\n * @param otherOffset The offset into the second byte range.\n * @return True if the byte ranges are equal, false otherwise.\n */\n function equals(bytes memory self, uint offset, bytes memory other, uint otherOffset) internal pure returns (bool) {\n return keccak(self, offset, self.length - offset) == keccak(other, otherOffset, other.length - otherOffset);\n }\n\n /*\n * @dev Compares a range of 'self' to all of 'other' and returns True iff\n * they are equal.\n * @param self The first byte range to compare.\n * @param offset The offset into the first byte range.\n * @param other The second byte range to compare.\n * @return True if the byte ranges are equal, false otherwise.\n */\n function equals(bytes memory self, uint offset, bytes memory other) internal pure returns (bool) {\n return self.length >= offset + other.length && equals(self, offset, other, 0, other.length);\n }\n\n /*\n * @dev Returns true if the two byte ranges are equal.\n * @param self The first byte range to compare.\n * @param other The second byte range to compare.\n * @return True if the byte ranges are equal, false otherwise.\n */\n function equals(bytes memory self, bytes memory other) internal pure returns(bool) {\n return self.length == other.length && equals(self, 0, other, 0, self.length);\n }\n\n /*\n * @dev Returns the 8-bit number at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes\n * @return The specified 8 bits of the string, interpreted as an integer.\n */\n function readUint8(bytes memory self, uint idx) internal pure returns (uint8 ret) {\n require(idx + 1 <= self.length);\n assembly {\n ret := and(mload(add(add(self, 1), idx)), 0xFF)\n }\n }\n\n /*\n * @dev Returns the 16-bit number at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes\n * @return The specified 16 bits of the string, interpreted as an integer.\n */\n function readUint16(bytes memory self, uint idx) internal pure returns (uint16 ret) {\n require(idx + 2 <= self.length);\n assembly {\n ret := and(mload(add(add(self, 2), idx)), 0xFFFF)\n }\n }\n\n /*\n * @dev Returns the 32-bit number at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes\n * @return The specified 32 bits of the string, interpreted as an integer.\n */\n function readUint32(bytes memory self, uint idx) internal pure returns (uint32 ret) {\n require(idx + 4 <= self.length);\n assembly {\n ret := and(mload(add(add(self, 4), idx)), 0xFFFFFFFF)\n }\n }\n\n /*\n * @dev Returns the 32 byte value at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes\n * @return The specified 32 bytes of the string.\n */\n function readBytes32(bytes memory self, uint idx) internal pure returns (bytes32 ret) {\n require(idx + 32 <= self.length);\n assembly {\n ret := mload(add(add(self, 32), idx))\n }\n }\n\n /*\n * @dev Returns the 32 byte value at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes\n * @return The specified 32 bytes of the string.\n */\n function readBytes20(bytes memory self, uint idx) internal pure returns (bytes20 ret) {\n require(idx + 20 <= self.length);\n assembly {\n ret := and(mload(add(add(self, 32), idx)), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000)\n }\n }\n\n /*\n * @dev Returns the n byte value at the specified index of self.\n * @param self The byte string.\n * @param idx The index into the bytes.\n * @param len The number of bytes.\n * @return The specified 32 bytes of the string.\n */\n function readBytesN(bytes memory self, uint idx, uint len) internal pure returns (bytes32 ret) {\n require(len <= 32);\n require(idx + len <= self.length);\n assembly {\n let mask := not(sub(exp(256, sub(32, len)), 1))\n ret := and(mload(add(add(self, 32), idx)), mask)\n }\n }\n\n function memcpy(uint dest, uint src, uint len) private pure {\n // Copy word-length chunks while possible\n for (; len >= 32; len -= 32) {\n assembly {\n mstore(dest, mload(src))\n }\n dest += 32;\n src += 32;\n }\n\n // Copy remaining bytes\n uint mask = 256 ** (32 - len) - 1;\n assembly {\n let srcpart := and(mload(src), not(mask))\n let destpart := and(mload(dest), mask)\n mstore(dest, or(destpart, srcpart))\n }\n }\n\n /*\n * @dev Copies a substring into a new byte string.\n * @param self The byte string to copy from.\n * @param offset The offset to start copying at.\n * @param len The number of bytes to copy.\n */\n function substring(bytes memory self, uint offset, uint len) internal pure returns(bytes memory) {\n require(offset + len <= self.length);\n\n bytes memory ret = new bytes(len);\n uint dest;\n uint src;\n\n assembly {\n dest := add(ret, 32)\n src := add(add(self, 32), offset)\n }\n memcpy(dest, src, len);\n\n return ret;\n }\n\n // Maps characters from 0x30 to 0x7A to their base32 values.\n // 0xFF represents invalid characters in that range.\n bytes constant base32HexTable = hex'00010203040506070809FFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1FFFFFFFFFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1F';\n\n /**\n * @dev Decodes unpadded base32 data of up to one word in length.\n * @param self The data to decode.\n * @param off Offset into the string to start at.\n * @param len Number of characters to decode.\n * @return The decoded data, left aligned.\n */\n function base32HexDecodeWord(bytes memory self, uint off, uint len) internal pure returns(bytes32) {\n require(len <= 52);\n\n uint ret = 0;\n uint8 decoded;\n for(uint i = 0; i < len; i++) {\n bytes1 char = self[off + i];\n require(char >= 0x30 && char <= 0x7A);\n decoded = uint8(base32HexTable[uint(uint8(char)) - 0x30]);\n require(decoded <= 0x20);\n if(i == len - 1) {\n break;\n }\n ret = (ret << 5) | decoded;\n }\n\n uint bitlen = len * 5;\n 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"lValueRequested": false, "nodeType": "Literal", "src": "10859:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "10852:8:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1776, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10851:10:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "|", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1779, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1777, "name": "decoded", "nodeType": "Identifier", "overloadedDeclarations": [], 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"10845:33:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1783, "nodeType": "ExpressionStatement", "src": "10845:33:4" }, { "expression": { "argumentTypes": null, "id": 1786, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1784, "name": "bitlen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1703, "src": "10892:6:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "hexValue": "31", "id": 1785, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10902:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "10892:11:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1787, "nodeType": "ExpressionStatement", "src": "10892:11:4" } ] } }, "id": 1817, "nodeType": "IfStatement", "src": "10614:493:4", "trueBody": { "id": 1766, "nodeType": "Block", "src": "10631:130:4", "statements": [ { "expression": { "argumentTypes": null, "id": 1760, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1750, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "10692:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1759, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "components": [ { 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"isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10698:10:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "|", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1757, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1755, "name": "decoded", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1633, "src": "10712:7:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": ">>", "rightExpression": { "argumentTypes": null, "hexValue": "34", "id": 1756, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10723:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "10712:12:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 1758, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10711:14:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "10698:27:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10692:33:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1761, "nodeType": "ExpressionStatement", "src": "10692:33:4" }, { "expression": { "argumentTypes": null, "id": 1764, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1762, "name": "bitlen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1703, "src": "10739:6:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "hexValue": "34", "id": 1763, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10749:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "10739:11:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1765, "nodeType": "ExpressionStatement", "src": "10739:11:4" } ] } }, "id": 1818, "nodeType": "IfStatement", "src": "10463:644:4", "trueBody": { "id": 1744, "nodeType": "Block", "src": "10480:128:4", "statements": [ { "expression": { "argumentTypes": null, "id": 1738, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1728, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "10539:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1737, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1731, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1729, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "10546:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<<", "rightExpression": { "argumentTypes": null, "hexValue": "33", "id": 1730, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10553:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_3_by_1", "typeString": "int_const 3" }, "value": "3" }, "src": "10546:8:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1732, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10545:10:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "|", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1735, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1733, "name": "decoded", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1633, "src": "10559:7:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": ">>", "rightExpression": { "argumentTypes": null, "hexValue": "32", "id": 1734, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10570:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "10559:12:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "id": 1736, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10558:14:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "10545:27:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10539:33:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1739, "nodeType": "ExpressionStatement", "src": "10539:33:4" }, { "expression": { "argumentTypes": null, "id": 1742, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1740, "name": "bitlen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1703, "src": "10586:6:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "hexValue": "32", "id": 1741, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10596:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "10586:11:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1743, "nodeType": "ExpressionStatement", "src": "10586:11:4" } ] } }, "id": 1819, "nodeType": "IfStatement", "src": "10337:770:4", "trueBody": { "id": 1722, "nodeType": "Block", "src": "10354:103:4", "statements": [ { "expression": { "argumentTypes": null, "id": 1720, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1713, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "10420:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1719, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1716, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1714, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "10427:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<<", "rightExpression": { "argumentTypes": null, "hexValue": "35", "id": 1715, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10434:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_5_by_1", "typeString": "int_const 5" }, "value": "5" }, "src": "10427:8:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1717, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "10426:10:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "|", "rightExpression": { "argumentTypes": null, "id": 1718, "name": "decoded", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1633, "src": "10439:7:4", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "10426:20:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "10420:26:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1721, "nodeType": "ExpressionStatement", "src": "10420:26:4" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1826, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1821, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1629, "src": "11132:3:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<<", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1824, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "323536", "id": 1822, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "11140:3:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "value": "256" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 1823, "name": "bitlen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1703, "src": "11146:6:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11140:12:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1825, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "11139:14:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11132:21:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1820, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "11124:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": "bytes32" }, "id": 1827, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "11124:30:4", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "functionReturnParameters": 1621, "id": 1828, "nodeType": "Return", "src": "11117:37:4" } ] }, "documentation": "@dev Decodes unpadded base32 data of up to one word in length.\n@param self The data to decode.\n@param off Offset into the string to start at.\n@param len Number of characters to decode.\n@return The decoded data, left 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"t_uint256", "typeString": "uint256" }, "id": 1824, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "323536", "id": 1822, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "11140:3:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "value": "256" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 1823, "name": "bitlen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1703, "src": "11146:6:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11140:12:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1825, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "11139:14:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "11132:21:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1820, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "11124:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": "bytes32" }, "id": 1827, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "11124:30:4", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "functionReturnParameters": 1621, "id": 1828, "nodeType": "Return", "src": "11117:37:4" } ] }, "documentation": "@dev Decodes unpadded base32 data of up to one word in length.\n@param self The data to decode.\n@param off Offset into the string to start at.\n@param len Number of characters to decode.\n@return The decoded data, left aligned.", "id": 1830, "implemented": true, "kind": "function", "modifiers": [], "name": "base32HexDecodeWord", "nodeType": "FunctionDefinition", "parameters": { "id": 1618, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1613, "name": "self", "nodeType": "VariableDeclaration", "scope": 1830, "src": "9792:17:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 1612, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9792:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1615, "name": "off", 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