mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
28 lines
985 B
Solidity
28 lines
985 B
Solidity
contract c {
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bytes data;
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function direct(bytes calldata arg, uint index) external returns (uint) {
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return uint(uint8(arg[index]));
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}
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function storageCopyRead(bytes calldata arg, uint index) external returns (uint) {
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data = arg;
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return uint(uint8(data[index]));
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}
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function storageWrite() external returns (uint) {
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data = new bytes(35);
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data[31] = 0x77;
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data[32] = 0x14;
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data[31] = 0x01;
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data[31] |= 0x08;
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data[30] = 0x01;
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data[32] = 0x03;
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return uint(uint8(data[30])) * 0x100 | uint(uint8(data[31])) * 0x10 | uint(uint8(data[32]));
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}
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}
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// ====
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// compileViaYul: also
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// ----
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// direct(bytes,uint256): 0x40, 33, 34, 0x000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F, left(0x2021) -> 0x21
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// storageCopyRead(bytes,uint256): 0x40, 33, 34, 0x000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F, left(0x2021) -> 0x21
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// storageWrite() -> 0x193
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