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| 1 | +// SPDX-License-Identifier: UNLICENSED |
| 2 | +pragma solidity ^0.8.13; |
| 3 | + |
| 4 | +import "foundry_test/base/AdvTest.sol"; |
| 5 | + |
| 6 | +import "forge-std/console.sol"; |
| 7 | +import "forge-std/console2.sol"; |
| 8 | + |
| 9 | +import { HuffConfig } from "foundry-huff/HuffConfig.sol"; |
| 10 | +import { HuffDeployer } from "foundry-huff/HuffDeployer.sol"; |
| 11 | + |
| 12 | +contract L2CompressorHuffTests is AdvTest { |
| 13 | + address public imp; |
| 14 | + |
| 15 | + function setUp() public { |
| 16 | + imp = address( |
| 17 | + HuffDeployer |
| 18 | + .config() |
| 19 | + .with_evm_version("paris") |
| 20 | + .deploy("imps/L2CompressorReadFlag") |
| 21 | + ); |
| 22 | + } |
| 23 | + |
| 24 | + function test_read_flag_bytes32_zero(bytes32 _data) external { |
| 25 | + (bool s, bytes memory r) = imp.staticcall( |
| 26 | + abi.encodePacked(hex"00", _data) |
| 27 | + ); |
| 28 | + |
| 29 | + assertTrue(s); |
| 30 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 31 | + assertEq(rindex, 1); |
| 32 | + assertEq(windex, 0x80 + 32); |
| 33 | + |
| 34 | + assertEq(abi.encode(uint256(0)), res); |
| 35 | + } |
| 36 | + |
| 37 | + function test_read_flag_bytes32_one(uint8 _val) external { |
| 38 | + (bool s, bytes memory r) = imp.staticcall( |
| 39 | + abi.encodePacked(hex"01", _val) |
| 40 | + ); |
| 41 | + |
| 42 | + assertTrue(s); |
| 43 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 44 | + assertEq(rindex, 2); |
| 45 | + assertEq(windex, 0x80 + 32); |
| 46 | + |
| 47 | + assertEq(abi.encode(uint256(_val)), res); |
| 48 | + } |
| 49 | + |
| 50 | + function test_read_flag_bytes32_two(uint16 _val) external { |
| 51 | + (bool s, bytes memory r) = imp.staticcall( |
| 52 | + abi.encodePacked(hex"02", _val) |
| 53 | + ); |
| 54 | + |
| 55 | + assertTrue(s); |
| 56 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 57 | + assertEq(rindex, 3); |
| 58 | + assertEq(windex, 0x80 + 32); |
| 59 | + |
| 60 | + assertEq(abi.encode(uint256(_val)), res); |
| 61 | + } |
| 62 | + |
| 63 | + function test_read_flag_bytes32_x(uint256 _size, bytes memory _content) public { |
| 64 | + _size = bound(_size, 0, 32); |
| 65 | + |
| 66 | + (bool s, bytes memory r) = imp.staticcall( |
| 67 | + abi.encodePacked(uint8(_size), _content) |
| 68 | + ); |
| 69 | + |
| 70 | + assertTrue(s); |
| 71 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 72 | + assertEq(rindex, 1 + _size); |
| 73 | + assertEq(windex, 0x80 + 32); |
| 74 | + |
| 75 | + _content = abi.encodePacked(_content, bytes32(0)); |
| 76 | + uint256 expected; |
| 77 | + assembly { |
| 78 | + expected := mload(add(_content, 0x20)) |
| 79 | + expected := shr(sub(256, mul(_size, 8)), expected) |
| 80 | + } |
| 81 | + |
| 82 | + assertEq(abi.encode(uint256(expected)), res); |
| 83 | + } |
| 84 | + |
| 85 | + function test_read_flag_save_and_read_address(address _addr2) external { |
| 86 | + address _addr = address(this); |
| 87 | + (bool s, bytes memory r) = imp.call( |
| 88 | + abi.encodePacked(hex"21", _addr) |
| 89 | + ); |
| 90 | + |
| 91 | + assertTrue(s); |
| 92 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 93 | + |
| 94 | + assertEq(rindex, 1 + 20); |
| 95 | + assertEq(windex, 0x80 + 32); |
| 96 | + |
| 97 | + assertEq(abi.encode(_addr), res); |
| 98 | + |
| 99 | + // Read the address at index 1 |
| 100 | + (s, r) = imp.staticcall( |
| 101 | + abi.encodePacked(hex"23", uint16(1)) |
| 102 | + ); |
| 103 | + |
| 104 | + assertTrue(s); |
| 105 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 106 | + assertEq(rindex, 3); |
| 107 | + assertEq(windex, 0x80 + 32); |
| 108 | + |
| 109 | + assertEq(abi.encode(_addr), res); |
| 110 | + |
| 111 | + // Save a second address |
| 112 | + (s, r) = imp.call( |
| 113 | + abi.encodePacked(hex"21", _addr2) |
| 114 | + ); |
| 115 | + |
| 116 | + assertTrue(s); |
| 117 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 118 | + |
| 119 | + assertEq(rindex, 1 + 20); |
| 120 | + assertEq(windex, 0x80 + 32); |
| 121 | + |
| 122 | + assertEq(abi.encode(_addr2), res); |
| 123 | + |
| 124 | + // Read second address using 3 bytes, 4 bytes and 5 bytes |
| 125 | + (s, r) = imp.staticcall( |
| 126 | + abi.encodePacked(hex"24", uint24(2)) |
| 127 | + ); |
| 128 | + |
| 129 | + assertTrue(s); |
| 130 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 131 | + assertEq(rindex, 4); |
| 132 | + assertEq(windex, 0x80 + 32); |
| 133 | + |
| 134 | + assertEq(abi.encode(_addr2), res); |
| 135 | + |
| 136 | + (s, r) = imp.staticcall( |
| 137 | + abi.encodePacked(hex"25", uint32(2)) |
| 138 | + ); |
| 139 | + |
| 140 | + assertTrue(s); |
| 141 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 142 | + assertEq(rindex, 5); |
| 143 | + assertEq(windex, 0x80 + 32); |
| 144 | + |
| 145 | + assertEq(abi.encode(_addr2), res); |
| 146 | + |
| 147 | + (s, r) = imp.staticcall( |
| 148 | + abi.encodePacked(hex"26", uint40(2)) |
| 149 | + ); |
| 150 | + |
| 151 | + assertTrue(s); |
| 152 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 153 | + assertEq(rindex, 6); |
| 154 | + assertEq(windex, 0x80 + 32); |
| 155 | + |
| 156 | + assertEq(abi.encode(_addr2), res); |
| 157 | + } |
| 158 | + |
| 159 | + function test_read_flag_save_and_read_bytes32(bytes32 _b1, bytes32 _b2) external { |
| 160 | + (bool s, bytes memory r) = imp.call( |
| 161 | + abi.encodePacked(hex"22", _b1) |
| 162 | + ); |
| 163 | + |
| 164 | + assertTrue(s); |
| 165 | + (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 166 | + |
| 167 | + assertEq(rindex, 1 + 32); |
| 168 | + assertEq(windex, 0x80 + 32); |
| 169 | + |
| 170 | + assertEq(abi.encode(_b1), res); |
| 171 | + |
| 172 | + // Read the address at index 1 |
| 173 | + (s, r) = imp.staticcall( |
| 174 | + abi.encodePacked(hex"27", uint16(1)) |
| 175 | + ); |
| 176 | + |
| 177 | + assertTrue(s); |
| 178 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 179 | + assertEq(rindex, 3); |
| 180 | + assertEq(windex, 0x80 + 32); |
| 181 | + |
| 182 | + assertEq(abi.encode(_b1), res); |
| 183 | + |
| 184 | + // Save a second address |
| 185 | + (s, r) = imp.call( |
| 186 | + abi.encodePacked(hex"22", _b2) |
| 187 | + ); |
| 188 | + |
| 189 | + assertTrue(s); |
| 190 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 191 | + |
| 192 | + assertEq(rindex, 1 + 32); |
| 193 | + assertEq(windex, 0x80 + 32); |
| 194 | + |
| 195 | + assertEq(abi.encode(_b2), res); |
| 196 | + |
| 197 | + // Read second address using 3 bytes, 4 bytes and 5 bytes |
| 198 | + (s, r) = imp.staticcall( |
| 199 | + abi.encodePacked(hex"28", uint24(2)) |
| 200 | + ); |
| 201 | + |
| 202 | + assertTrue(s); |
| 203 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 204 | + assertEq(rindex, 4); |
| 205 | + assertEq(windex, 0x80 + 32); |
| 206 | + |
| 207 | + assertEq(abi.encode(_b2), res); |
| 208 | + |
| 209 | + (s, r) = imp.staticcall( |
| 210 | + abi.encodePacked(hex"29", uint32(2)) |
| 211 | + ); |
| 212 | + |
| 213 | + assertTrue(s); |
| 214 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 215 | + assertEq(rindex, 5); |
| 216 | + assertEq(windex, 0x80 + 32); |
| 217 | + |
| 218 | + assertEq(abi.encode(_b2), res); |
| 219 | + |
| 220 | + (s, r) = imp.staticcall( |
| 221 | + abi.encodePacked(hex"2a", uint40(2)) |
| 222 | + ); |
| 223 | + |
| 224 | + assertTrue(s); |
| 225 | + (rindex, windex, res) = abi.decode(r, (uint256, uint256, bytes)); |
| 226 | + assertEq(rindex, 6); |
| 227 | + assertEq(windex, 0x80 + 32); |
| 228 | + |
| 229 | + assertEq(abi.encode(_b2), res); |
| 230 | + } |
| 231 | + |
| 232 | + // function test_read_flag_bytes_n(bytes calldata _data, bytes calldata _extra) external { |
| 233 | + // (bool s, bytes memory r) = imp.staticcall( |
| 234 | + // abi.encodePacked(hex"2b", _data, _extra) |
| 235 | + // ); |
| 236 | + |
| 237 | + // assertTrue(s); |
| 238 | + // (uint256 rindex, uint256 windex, bytes memory res) = abi.decode(r, (uint256, uint256, bytes)); |
| 239 | + |
| 240 | + // assertEq(rindex, _data.length + 1); |
| 241 | + |
| 242 | + // } |
| 243 | +} |
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