Create erc20_factory.sol

projects/DAPIO/smart-contracts/ethereum/erc20_factory.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+
+contract ERC20Factory {
+    mapping (address => ERC20) public tokens;
+
+    function createToken(string memory _name, string memory _symbol, uint256 _totalSupply) public {
+        ERC20 token = new ERC20(_name, _symbol, _totalSupply);
+        tokens[msg.sender] = token;
+    }
+
+    function getToken(address _owner) public view returns (ERC20) {
+        return tokens[_owner];
+    }
+}