HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1165254,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11591",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&ordering=created_at&page=11589",
"results": [
{
"id": 1191996,
"created_at": "2026-02-16T09:14:47.148135Z",
"text_signature": "testRecoverWithInvalidSignatureReverts()",
"hex_signature": "0xcb033d83",
"bytes_signature": "Ë\u0003="
},
{
"id": 1191997,
"created_at": "2026-02-16T09:14:47.150595Z",
"text_signature": "testRecoverWithV0SignatureWithVersion00Reverts()",
"hex_signature": "0xbee950e6",
"bytes_signature": "¾éPæ"
},
{
"id": 1191998,
"created_at": "2026-02-16T09:14:47.152689Z",
"text_signature": "testRecoverWithV0SignatureWithVersion27()",
"hex_signature": "0xefa15eae",
"bytes_signature": "ï¡^®"
},
{
"id": 1191999,
"created_at": "2026-02-16T09:14:47.154656Z",
"text_signature": "testRecoverWithV0SignatureWithWrongVersionReverts()",
"hex_signature": "0x70c5e5f5",
"bytes_signature": "pÅåõ"
},
{
"id": 1192000,
"created_at": "2026-02-16T09:14:47.156833Z",
"text_signature": "testRecoverWithV0SignatureWithShortEIP2098Format()",
"hex_signature": "0xad2812e8",
"bytes_signature": "(\u0012è"
},
{
"id": 1192001,
"created_at": "2026-02-16T09:14:47.158745Z",
"text_signature": "testRecoverWithV0SignatureWithShortEIP2098FormatAsCalldata()",
"hex_signature": "0x70a93fab",
"bytes_signature": "p©?«"
},
{
"id": 1192002,
"created_at": "2026-02-16T09:14:47.160782Z",
"text_signature": "testRecoverWithV1SignatureWithVersion01Reverts()",
"hex_signature": "0x3867f8eb",
"bytes_signature": "8gøë"
},
{
"id": 1192003,
"created_at": "2026-02-16T09:14:47.162978Z",
"text_signature": "testRecoverWithV1SignatureWithVersion28()",
"hex_signature": "0x76bb9511",
"bytes_signature": "v»\u0011"
},
{
"id": 1192004,
"created_at": "2026-02-16T09:14:47.165110Z",
"text_signature": "testRecoverWithV1SignatureWithWrongVersionReverts()",
"hex_signature": "0x5c8ab440",
"bytes_signature": "\\´@"
},
{
"id": 1192005,
"created_at": "2026-02-16T09:14:47.167001Z",
"text_signature": "testRecoverWithV1SignatureWithShortEIP2098Format()",
"hex_signature": "0xb66ee62f",
"bytes_signature": "¶næ/"
},
{
"id": 1192006,
"created_at": "2026-02-16T09:14:47.169183Z",
"text_signature": "testRecoverWithV1SignatureWithShortEIP2098FormatAsCalldata()",
"hex_signature": "0xf1629af0",
"bytes_signature": "ñbð"
},
{
"id": 1192007,
"created_at": "2026-02-16T09:14:47.171807Z",
"text_signature": "_checkSignature(address,bytes32,uint8,bytes32,bytes32,bool)",
"hex_signature": "0xd66deb72",
"bytes_signature": "Ömër"
},
{
"id": 1192008,
"created_at": "2026-02-16T09:14:47.173983Z",
"text_signature": "testRecoverAndTryRecover(bytes32)",
"hex_signature": "0x14c97674",
"bytes_signature": "\u0014Évt"
},
{
"id": 1192009,
"created_at": "2026-02-16T09:14:47.175754Z",
"text_signature": "testBytes32ToEthSignedMessageHash()",
"hex_signature": "0xa3888788",
"bytes_signature": "£"
},
{
"id": 1192010,
"created_at": "2026-02-16T09:14:47.177551Z",
"text_signature": "testBytesToEthSignedMessageHashShort()",
"hex_signature": "0x21eca289",
"bytes_signature": "!ì¢"
},
{
"id": 1192011,
"created_at": "2026-02-16T09:14:47.179497Z",
"text_signature": "testBytesToEthSignedMessageHashEmpty()",
"hex_signature": "0xd7a45d7a",
"bytes_signature": "פ]z"
},
{
"id": 1192012,
"created_at": "2026-02-16T09:14:47.181710Z",
"text_signature": "testBytesToEthSignedMessageHashLong()",
"hex_signature": "0x63d86423",
"bytes_signature": "cØd#"
},
{
"id": 1192013,
"created_at": "2026-02-16T09:14:47.183836Z",
"text_signature": "testBytesToEthSignedMessageHash()",
"hex_signature": "0x2ce79419",
"bytes_signature": ",ç\u0019"
},
{
"id": 1192014,
"created_at": "2026-02-16T09:14:47.185755Z",
"text_signature": "testBytesToEthSignedMessageHashExceedsMaxLengthReverts()",
"hex_signature": "0x1a1bb16c",
"bytes_signature": "\u001a\u001b±l"
},
{
"id": 1192015,
"created_at": "2026-02-16T09:14:47.187948Z",
"text_signature": "_testBytesToEthSignedMessageHash(uint256)",
"hex_signature": "0xe37e305a",
"bytes_signature": "ã~0Z"
},
{
"id": 1192016,
"created_at": "2026-02-16T09:14:47.191298Z",
"text_signature": "tryRecoverBrutalized(bytes32,uint8,bytes32,bytes32)",
"hex_signature": "0xd252cd68",
"bytes_signature": "ÒRÍh"
},
{
"id": 1192017,
"created_at": "2026-02-16T09:14:47.193692Z",
"text_signature": "tryRecoverBrutalized(bytes32,bytes32,bytes32)",
"hex_signature": "0xc5e3cdec",
"bytes_signature": "ÅãÍì"
},
{
"id": 1192018,
"created_at": "2026-02-16T09:14:47.197801Z",
"text_signature": "recoverBrutalized(bytes32,bytes32,bytes32)",
"hex_signature": "0x46bb5d81",
"bytes_signature": "F»]"
},
{
"id": 1192019,
"created_at": "2026-02-16T09:14:47.200677Z",
"text_signature": "recoverBrutalized(bytes32,uint8,bytes32,bytes32)",
"hex_signature": "0xa0966604",
"bytes_signature": " f\u0004"
},
{
"id": 1192020,
"created_at": "2026-02-16T09:14:47.203058Z",
"text_signature": "testCanonicalHashWithRegularSignature()",
"hex_signature": "0xa0b2cac4",
"bytes_signature": " ²ÊÄ"
},
{
"id": 1192021,
"created_at": "2026-02-16T09:14:47.205644Z",
"text_signature": "testCanonicalHashWith64bytesSignature()",
"hex_signature": "0x1d63d91d",
"bytes_signature": "\u001dcÙ\u001d"
},
{
"id": 1192022,
"created_at": "2026-02-16T09:14:47.208271Z",
"text_signature": "testCanonicalHashCalldataWithRegularSignature()",
"hex_signature": "0x2489f229",
"bytes_signature": "$ò)"
},
{
"id": 1192023,
"created_at": "2026-02-16T09:14:47.211702Z",
"text_signature": "testCanonicalHashCalldataWith64bytesSignature()",
"hex_signature": "0xcd0c50d6",
"bytes_signature": "Í\fPÖ"
},
{
"id": 1192024,
"created_at": "2026-02-16T09:14:47.213826Z",
"text_signature": "testCanonicalHash(bytes32)",
"hex_signature": "0xefff4e93",
"bytes_signature": "ïÿN"
},
{
"id": 1192025,
"created_at": "2026-02-16T09:14:47.216642Z",
"text_signature": "_vs(uint8,bytes32)",
"hex_signature": "0x51fc1e72",
"bytes_signature": "Qü\u001er"
},
{
"id": 1192026,
"created_at": "2026-02-16T09:14:47.219957Z",
"text_signature": "testMalleabilityTrick(uint256)",
"hex_signature": "0x0ac9abf7",
"bytes_signature": "\nÉ«÷"
},
{
"id": 1192027,
"created_at": "2026-02-16T09:14:47.222349Z",
"text_signature": "testMalleabilityTrick()",
"hex_signature": "0x5ce6182c",
"bytes_signature": "\\æ\u0018,"
},
{
"id": 1192028,
"created_at": "2026-02-16T09:14:47.228125Z",
"text_signature": "testReadRevertsOnZeroCodeAddress(address)",
"hex_signature": "0xde7fc4b7",
"bytes_signature": "ÞÄ·"
},
{
"id": 1192029,
"created_at": "2026-02-16T09:14:47.231968Z",
"text_signature": "testWriteRead(uint256,uint256)",
"hex_signature": "0xa51e4a0c",
"bytes_signature": "¥\u001eJ\f"
},
{
"id": 1192030,
"created_at": "2026-02-16T09:14:47.234396Z",
"text_signature": "testWriteWithTooBigDataReverts()",
"hex_signature": "0xf6582bba",
"bytes_signature": "öX+º"
},
{
"id": 1192031,
"created_at": "2026-02-16T09:14:47.237225Z",
"text_signature": "testWriteReadDeterministic()",
"hex_signature": "0x18d5e6b3",
"bytes_signature": "\u0018Õæ³"
},
{
"id": 1192032,
"created_at": "2026-02-16T09:14:47.240267Z",
"text_signature": "testReadSlicing()",
"hex_signature": "0xdde91946",
"bytes_signature": "Ýé\u0019F"
},
{
"id": 1192033,
"created_at": "2026-02-16T09:14:47.242581Z",
"text_signature": "_maybeBrutalizeMemory()",
"hex_signature": "0x6514027a",
"bytes_signature": "e\u0014\u0002z"
},
{
"id": 1192034,
"created_at": "2026-02-16T09:14:47.247242Z",
"text_signature": "testGrantAndRemoveRolesDirect(address,uint256,uint256)",
"hex_signature": "0xde1939b2",
"bytes_signature": "Þ\u00199²"
},
{
"id": 1192035,
"created_at": "2026-02-16T09:14:47.251164Z",
"text_signature": "testGrantRoles()",
"hex_signature": "0x52ea6b2e",
"bytes_signature": "Rêk."
},
{
"id": 1192036,
"created_at": "2026-02-16T09:14:47.253296Z",
"text_signature": "testGrantAndRevokeOrRenounceRoles(address,bool,bool,bool,uint256,uint256)",
"hex_signature": "0x0967fd32",
"bytes_signature": "\tgý2"
},
{
"id": 1192037,
"created_at": "2026-02-16T09:14:47.255912Z",
"text_signature": "testHasAllRoles(address,uint256,uint256,uint256,bool)",
"hex_signature": "0x7644e2bc",
"bytes_signature": "vDâ¼"
},
{
"id": 1192038,
"created_at": "2026-02-16T09:14:47.258261Z",
"text_signature": "testHasAnyRole(address,uint256,uint256)",
"hex_signature": "0x92cf78f6",
"bytes_signature": "Ïxö"
},
{
"id": 1192039,
"created_at": "2026-02-16T09:14:47.260889Z",
"text_signature": "testRolesFromOrdinals()",
"hex_signature": "0x98867bf2",
"bytes_signature": "{ò"
},
{
"id": 1192040,
"created_at": "2026-02-16T09:14:47.263520Z",
"text_signature": "testOrdinalsFromRoles(uint256)",
"hex_signature": "0xfc840f29",
"bytes_signature": "ü\u000f)"
},
{
"id": 1192041,
"created_at": "2026-02-16T09:14:47.265960Z",
"text_signature": "testOrdinalsFromRoles()",
"hex_signature": "0x1cefdc4c",
"bytes_signature": "\u001cïÜL"
},
{
"id": 1192042,
"created_at": "2026-02-16T09:14:47.268881Z",
"text_signature": "testOnlyRolesModifier(address,uint256,uint256)",
"hex_signature": "0xc514f8e1",
"bytes_signature": "Å\u0014øá"
},
{
"id": 1192043,
"created_at": "2026-02-16T09:14:47.270993Z",
"text_signature": "testOnlyOwnerOrRolesModifier(address,bool,uint256,uint256)",
"hex_signature": "0xe398e473",
"bytes_signature": "ãäs"
},
{
"id": 1192044,
"created_at": "2026-02-16T09:14:47.273004Z",
"text_signature": "testOnlyRolesOrOwnerModifier(address,bool,uint256,uint256)",
"hex_signature": "0x3a6efc7e",
"bytes_signature": ":nü~"
},
{
"id": 1192045,
"created_at": "2026-02-16T09:14:47.275150Z",
"text_signature": "testOnlyOwnerOrRolesModifier()",
"hex_signature": "0x25328ed6",
"bytes_signature": "%2Ö"
},
{
"id": 1192046,
"created_at": "2026-02-16T09:14:47.283943Z",
"text_signature": "getUint8(uint256)",
"hex_signature": "0xde2c1381",
"bytes_signature": "Þ,\u0013"
},
{
"id": 1192047,
"created_at": "2026-02-16T09:14:47.286557Z",
"text_signature": "setUint8(uint256,uint8)",
"hex_signature": "0xaf9dafd1",
"bytes_signature": "¯¯Ñ"
},
{
"id": 1192048,
"created_at": "2026-02-16T09:14:47.288990Z",
"text_signature": "getUint8FromBigArray(uint256)",
"hex_signature": "0xd7d91aef",
"bytes_signature": "×Ù\u001aï"
},
{
"id": 1192049,
"created_at": "2026-02-16T09:14:47.291301Z",
"text_signature": "setUint8FromBigArray(uint256,uint8)",
"hex_signature": "0xf8198f00",
"bytes_signature": "ø\u0019\u0000"
},
{
"id": 1192050,
"created_at": "2026-02-16T09:14:47.293613Z",
"text_signature": "testMapSetUint8()",
"hex_signature": "0xc355be59",
"bytes_signature": "ÃU¾Y"
},
{
"id": 1192051,
"created_at": "2026-02-16T09:14:47.295937Z",
"text_signature": "testMapGetUint8()",
"hex_signature": "0xef1d2179",
"bytes_signature": "ï\u001d!y"
},
{
"id": 1192052,
"created_at": "2026-02-16T09:14:47.298291Z",
"text_signature": "testMapSetUint8FromBigArray()",
"hex_signature": "0xd3c8d458",
"bytes_signature": "ÓÈÔX"
},
{
"id": 1192053,
"created_at": "2026-02-16T09:14:47.300528Z",
"text_signature": "testMapGetFromBigArray()",
"hex_signature": "0x92c5ce5c",
"bytes_signature": "ÅÎ\\"
},
{
"id": 1192054,
"created_at": "2026-02-16T09:14:47.302901Z",
"text_signature": "testUint8MapSetAndGet()",
"hex_signature": "0x67a5e90e",
"bytes_signature": "g¥é\u000e"
},
{
"id": 1192055,
"created_at": "2026-02-16T09:14:47.305035Z",
"text_signature": "testUint16MapSetAndGet()",
"hex_signature": "0x63ca75f0",
"bytes_signature": "cÊuð"
},
{
"id": 1192056,
"created_at": "2026-02-16T09:14:47.307271Z",
"text_signature": "testUint32MapSetAndGet()",
"hex_signature": "0x9f522c21",
"bytes_signature": "R,!"
},
{
"id": 1192057,
"created_at": "2026-02-16T09:14:47.309570Z",
"text_signature": "testUint40MapSetAndGet()",
"hex_signature": "0x42fec052",
"bytes_signature": "BþÀR"
},
{
"id": 1192058,
"created_at": "2026-02-16T09:14:47.311878Z",
"text_signature": "testUint64MapSetAndGet()",
"hex_signature": "0x68f5bc18",
"bytes_signature": "hõ¼\u0018"
},
{
"id": 1192059,
"created_at": "2026-02-16T09:14:47.314098Z",
"text_signature": "testUint128MapSetAndGet()",
"hex_signature": "0x35d811df",
"bytes_signature": "5Ø\u0011ß"
},
{
"id": 1192060,
"created_at": "2026-02-16T09:14:47.316331Z",
"text_signature": "_generateNotFoundValue(uint256)",
"hex_signature": "0x8f4fe989",
"bytes_signature": "Oé"
},
{
"id": 1192061,
"created_at": "2026-02-16T09:14:47.319136Z",
"text_signature": "testGeneralMapFunctionsWithZeroBitWidth()",
"hex_signature": "0xb94ec7a0",
"bytes_signature": "¹NÇ "
},
{
"id": 1192062,
"created_at": "2026-02-16T09:14:47.321304Z",
"text_signature": "testGeneralMapFunctionsGas()",
"hex_signature": "0x923d138f",
"bytes_signature": "=\u0013"
},
{
"id": 1192063,
"created_at": "2026-02-16T09:14:47.323593Z",
"text_signature": "testFoundStatementDifferential(uint256,uint256,uint256)",
"hex_signature": "0x9cf89b06",
"bytes_signature": "ø\u0006"
},
{
"id": 1192064,
"created_at": "2026-02-16T09:14:47.326042Z",
"text_signature": "testEfficientHash()",
"hex_signature": "0x22db1769",
"bytes_signature": "\"Û\u0017i"
},
{
"id": 1192065,
"created_at": "2026-02-16T09:14:47.328238Z",
"text_signature": "testEfficientHash(uint256)",
"hex_signature": "0x67da6380",
"bytes_signature": "gÚc"
},
{
"id": 1192066,
"created_at": "2026-02-16T09:14:47.330685Z",
"text_signature": "testEfficientHashUints()",
"hex_signature": "0x9e5430f2",
"bytes_signature": "T0ò"
},
{
"id": 1192067,
"created_at": "2026-02-16T09:14:47.333035Z",
"text_signature": "testEfficientHashSet()",
"hex_signature": "0x47bcef7d",
"bytes_signature": "G¼ï}"
},
{
"id": 1192068,
"created_at": "2026-02-16T09:14:47.335528Z",
"text_signature": "testEfficientHashFree()",
"hex_signature": "0xb9bd82f2",
"bytes_signature": "¹½ò"
},
{
"id": 1192069,
"created_at": "2026-02-16T09:14:47.338257Z",
"text_signature": "testEfficientHashFree(uint8,bool,uint8)",
"hex_signature": "0xa8b12258",
"bytes_signature": "¨±\"X"
},
{
"id": 1192070,
"created_at": "2026-02-16T09:14:47.340594Z",
"text_signature": "_fmp()",
"hex_signature": "0x0b45598d",
"bytes_signature": "\u000bEY"
},
{
"id": 1192071,
"created_at": "2026-02-16T09:14:47.343143Z",
"text_signature": "testEfficientHashBytesSlice()",
"hex_signature": "0xc7f76273",
"bytes_signature": "Ç÷bs"
},
{
"id": 1192072,
"created_at": "2026-02-16T09:14:47.345414Z",
"text_signature": "testEfficientHashEq(bytes32,uint256)",
"hex_signature": "0xf60c11de",
"bytes_signature": "ö\f\u0011Þ"
},
{
"id": 1192073,
"created_at": "2026-02-16T09:14:47.347542Z",
"text_signature": "testEfficientHashEq()",
"hex_signature": "0xd8634dc3",
"bytes_signature": "ØcMÃ"
},
{
"id": 1192074,
"created_at": "2026-02-16T09:14:47.350026Z",
"text_signature": "testSha2(bytes32)",
"hex_signature": "0x1e63c7ce",
"bytes_signature": "\u001ecÇÎ"
},
{
"id": 1192075,
"created_at": "2026-02-16T09:14:47.352676Z",
"text_signature": "testEfficientHashMaxStack(uint256)",
"hex_signature": "0xcdadf26d",
"bytes_signature": "Íòm"
},
{
"id": 1192076,
"created_at": "2026-02-16T09:14:47.354867Z",
"text_signature": "testEfficientHashMaxStack()",
"hex_signature": "0x16c8f4d9",
"bytes_signature": "\u0016ÈôÙ"
},
{
"id": 1192077,
"created_at": "2026-02-16T09:14:47.358066Z",
"text_signature": "_etchBasefeeContract()",
"hex_signature": "0x8ac0798d",
"bytes_signature": "Ày"
},
{
"id": 1192078,
"created_at": "2026-02-16T09:14:47.360745Z",
"text_signature": "testBasefeeBytecodeContract()",
"hex_signature": "0x32d2acb7",
"bytes_signature": "2Ò¬·"
},
{
"id": 1192079,
"created_at": "2026-02-16T09:14:47.363289Z",
"text_signature": "_basefee(address)",
"hex_signature": "0x8509a7a7",
"bytes_signature": "
\t§§"
},
{
"id": 1192080,
"created_at": "2026-02-16T09:14:47.366969Z",
"text_signature": "testIsValidSignature(uint256)",
"hex_signature": "0x95b2f3e8",
"bytes_signature": "²óè"
},
{
"id": 1192081,
"created_at": "2026-02-16T09:14:47.369811Z",
"text_signature": "_testIsValidSignatureWontOutOfGas()",
"hex_signature": "0x4ae52ab2",
"bytes_signature": "Jå*²"
},
{
"id": 1192082,
"created_at": "2026-02-16T09:14:47.372265Z",
"text_signature": "_accountDomainStructFields(address)",
"hex_signature": "0xbcc34e98",
"bytes_signature": "¼ÃN"
},
{
"id": 1192083,
"created_at": "2026-02-16T09:14:47.375239Z",
"text_signature": "testSupportsERC7739()",
"hex_signature": "0x971d5d5c",
"bytes_signature": "\u001d]\\"
},
{
"id": 1192084,
"created_at": "2026-02-16T09:14:47.377908Z",
"text_signature": "testRevertGuardLocked(uint8,bool)",
"hex_signature": "0xfae0e0c0",
"bytes_signature": "úààÀ"
},
{
"id": 1192085,
"created_at": "2026-02-16T09:14:47.379978Z",
"text_signature": "testRevertReadGuardLocked(uint8,bool)",
"hex_signature": "0x5d1d81dd",
"bytes_signature": "]\u001dÝ"
},
{
"id": 1192086,
"created_at": "2026-02-16T09:14:47.382406Z",
"text_signature": "testRevertRemoteCallback(uint8,bool)",
"hex_signature": "0xd3d7c273",
"bytes_signature": "Ó×Âs"
},
{
"id": 1192087,
"created_at": "2026-02-16T09:14:47.384648Z",
"text_signature": "testRecursiveDirectUnguardedCall(uint8,bool)",
"hex_signature": "0x097c2120",
"bytes_signature": "\t|! "
},
{
"id": 1192088,
"created_at": "2026-02-16T09:14:47.386943Z",
"text_signature": "testRevertRecursiveDirectGuardedCall(uint8,bool)",
"hex_signature": "0x52140165",
"bytes_signature": "R\u0014\u0001e"
},
{
"id": 1192089,
"created_at": "2026-02-16T09:14:47.389503Z",
"text_signature": "testRecursiveIndirectUnguardedCall(uint8,bool)",
"hex_signature": "0xedcdef90",
"bytes_signature": "íÍï"
},
{
"id": 1192090,
"created_at": "2026-02-16T09:14:47.391882Z",
"text_signature": "testRevertRecursiveIndirectGuardedCall(uint8,bool)",
"hex_signature": "0xc3ad24b2",
"bytes_signature": "Ã$²"
},
{
"id": 1192091,
"created_at": "2026-02-16T09:14:47.396919Z",
"text_signature": "upgradeProxyDelegation(address)",
"hex_signature": "0x1a37ef23",
"bytes_signature": "\u001a7ï#"
},
{
"id": 1192092,
"created_at": "2026-02-16T09:14:47.399548Z",
"text_signature": "revertWithError()",
"hex_signature": "0x57eca1a5",
"bytes_signature": "Wì¡¥"
},
{
"id": 1192093,
"created_at": "2026-02-16T09:14:47.402244Z",
"text_signature": "unsetProxyDelegation()",
"hex_signature": "0x32c6d412",
"bytes_signature": "2ÆÔ\u0012"
},
{
"id": 1192094,
"created_at": "2026-02-16T09:14:47.404792Z",
"text_signature": "_checkBehavesLikeProxy(address)",
"hex_signature": "0xc4edad0a",
"bytes_signature": "Äí\n"
},
{
"id": 1192095,
"created_at": "2026-02-16T09:14:47.407702Z",
"text_signature": "testEIP7702Proxy()",
"hex_signature": "0x04736051",
"bytes_signature": "\u0004s`Q"
}
]
}