@@ -29,9 +29,7 @@ contract DiamondERC20 is DiamondERC20Storage {
2929 * @inheritdoc IERC20
3030 */
3131 function transfer (address to_ , uint256 amount_ ) public virtual override returns (bool ) {
32- address owner_ = _msgSender ();
33-
34- _transfer (owner_, to_, amount_);
32+ _transfer (msg .sender , to_, amount_);
3533
3634 return true ;
3735 }
@@ -40,9 +38,7 @@ contract DiamondERC20 is DiamondERC20Storage {
4038 * @inheritdoc IERC20
4139 */
4240 function approve (address spender_ , uint256 amount_ ) public virtual override returns (bool ) {
43- address owner_ = _msgSender ();
44-
45- _approve (owner_, spender_, amount_);
41+ _approve (msg .sender , spender_, amount_);
4642
4743 return true ;
4844 }
@@ -55,9 +51,7 @@ contract DiamondERC20 is DiamondERC20Storage {
5551 address to_ ,
5652 uint256 amount_
5753 ) public virtual override returns (bool ) {
58- address spender_ = _msgSender ();
59-
60- _spendAllowance (from_, spender_, amount_);
54+ _spendAllowance (from_, msg .sender , amount_);
6155 _transfer (from_, to_, amount_);
6256
6357 return true ;
@@ -70,7 +64,7 @@ contract DiamondERC20 is DiamondERC20Storage {
7064 address spender_ ,
7165 uint256 addedValue_
7266 ) public virtual returns (bool ) {
73- address owner_ = _msgSender () ;
67+ address owner_ = msg . sender ;
7468
7569 _approve (owner_, spender_, allowance (owner_, spender_) + addedValue_);
7670
@@ -84,7 +78,7 @@ contract DiamondERC20 is DiamondERC20Storage {
8478 address spender_ ,
8579 uint256 subtractedValue_
8680 ) public virtual returns (bool ) {
87- address owner_ = _msgSender () ;
81+ address owner_ = msg . sender ;
8882 uint256 currentAllowance_ = allowance (owner_, spender_);
8983
9084 require (currentAllowance_ >= subtractedValue_, "ERC20: decreased allowance below zero " );
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