go-ethereum/tests/solidity/contracts/OpCodes.sol

pragma solidity >=0.4.21 <0.6.0;
contract OpCodes {

   modifier onlyOwner(address _owner) {
      require(msg.sender == _owner);
      _;
   }
   // Add a todo to the list
   function test() public {

     //simple_instructions
     /*assembly { pop(sub(dup1, mul(dup1, dup1))) }*/

     //keywords
     assembly { pop(address) return(2, byte(2,1)) }

     //label_complex
     /*assembly { 7 abc: 8 eq jump(abc) jumpi(eq(7, 8), abc) pop }
     assembly { pop(jumpi(eq(7, 8), abc)) jump(abc) }*/

     //functional
     /*assembly { let x := 2 add(7, mul(6, x)) mul(7, 8) add =: x }*/

     //for_statement
     assembly { for { let i := 1 } lt(i, 5) { i := add(i, 1) } {} }
     assembly { for { let i := 6 } gt(i, 5) { i := add(i, 1) } {} }

     //no_opcodes_in_strict
     assembly { pop(callvalue()) }

     //no_dup_swap_in_strict
     /*assembly { swap1() }*/

     //print_functional
     assembly { let x := mul(sload(0x12), 7) }

     //print_if
     assembly { if 2 { pop(mload(0)) }}

     //function_definitions_multiple_args
     assembly { function f(a, d){ mstore(a, d) } function g(a, d) -> x, y {}}

     //for_statement
     assembly { let x := calldatasize() for { let i := 0} lt(i, x) { i := add(i, 1) } { mstore(i, 2) } }

     //keccak256
     assembly { pop(keccak256(0,0)) }

     //returndatasize
     assembly { let r := returndatasize }

     //returndatacopy
     assembly { returndatacopy(64, 32, 0) }
     //byzantium vs const Constantinople
     //staticcall
     assembly { pop(staticcall(10000, 0x123, 64, 0x10, 128, 0x10)) }

     /*//create2 Constantinople
     assembly { pop(create2(10, 0x123, 32, 64)) }*/

     //shift Constantinople
     /*assembly { pop(shl(10, 32)) }
     assembly { pop(shr(10, 32)) }
     assembly { pop(sar(10, 32)) }*/


     //origin
     assembly { pop(origin()) }

     //gas
     assembly {  pop(gas())}

     //msize
     assembly {  pop(msize())}

     //gasprice
     assembly {  pop(gasprice())}

     //coinbase
     assembly {  pop(coinbase())}

     //timestamp
     assembly {  pop(timestamp())}

     //number
     assembly {  pop(number())}

     //difficulty
     assembly {  pop(difficulty())}

     //gaslimit
     assembly {  pop(gaslimit())}

     //selfdestruct
     assembly { selfdestruct(0x02) }
   }

  function test_revert() public {

    //revert
    assembly{ revert(0, 0) }
  }

  function test_invalid() public {

    //revert
    assembly{ invalid() }
  }

  function test_stop() public {

    //revert
    assembly{ stop() }
  }

}