Transaction Hash:
Block:
14112160 at Jan-31-2022 07:00:20 AM +UTC
Transaction Fee:
0.00585580880852456 ETH
$15.50
Gas Used:
75,466 Gas / 77.59532516 Gwei
Emitted Events:
| 228 |
DGTownHall.Transfer( _from=0x0000000000000000000000000000000000000000, _to=[Sender] 0xa673411920bf5ab98717ec7c5aa825340c045e3c, _value=1031081367093703950239 )
|
| 229 |
DGLight.Approval( _owner=[Sender] 0xa673411920bf5ab98717ec7c5aa825340c045e3c, _spender=[Receiver] DGTownHall, _value=115792089237316195423570985008687907853269984665640564038394678007913129639935 )
|
| 230 |
DGLight.Transfer( _from=[Sender] 0xa673411920bf5ab98717ec7c5aa825340c045e3c, _to=[Receiver] DGTownHall, _value=1062906000000000000000 )
|
Account State Difference:
| Address | Before | After | State Difference | ||
|---|---|---|---|---|---|
| 0x4b520c81...26C83588D | |||||
| 0x4f81C790...cC8C71c8d | |||||
|
0x829BD824...93333A830
Miner
| (F2Pool Old) | 5,225.641648107715545885 Eth | 5,225.641723573715545885 Eth | 0.000075466 | |
| 0xa6734119...40C045e3C |
0.020786924690654575 Eth
Nonce: 14
|
0.014931115882130015 Eth
Nonce: 15
| 0.00585580880852456 |
Execution Trace
DGTownHall.stepInside( _DGAmount=1062906000000000000000 )
DGTownHall.stepInside( _DGAmount=1062906000000000000000 )
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DGLight.balanceOf( _account=0x4f81C790581b240A5C948Afd173620EcC8C71c8d ) => ( 292654641987051393797508990 )
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DGLight.transferFrom( _sender=0xa673411920BF5Ab98717ec7C5aa825340C045e3C, _recipient=0x4f81C790581b240A5C948Afd173620EcC8C71c8d, _amount=1062906000000000000000 ) => ( True )
File 1 of 2: DGTownHall
File 2 of 2: DGLight
{"DGTownHall.sol":{"content":"// SPDX-License-Identifier: DG\n\npragma solidity ^0.8.9;\n\nimport \"./ERC20.sol\";\n\ninterface DGToken {\n\n function balanceOf(\n address _account\n )\n external\n view\n returns (uint256);\n\n function transfer(\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool);\n\n function transferFrom(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool);\n}\n\ncontract DGTownHall is ERC20(\"Decentral Games Governance\", \"xDG\") {\n\n DGToken public immutable DG;\n\n constructor(\n address _tokenAddress\n ) {\n DG = DGToken(\n _tokenAddress\n );\n }\n\n function stepInside(\n uint256 _DGAmount\n )\n external\n {\n uint256 DGTotal = innerSupply();\n uint256 xDGTotal = totalSupply();\n\n DGTotal == 0 || xDGTotal == 0\n ? _mint(msg.sender, _DGAmount)\n : _mint(msg.sender, _DGAmount * xDGTotal / DGTotal);\n\n DG.transferFrom(\n msg.sender,\n address(this),\n _DGAmount\n );\n }\n\n function stepOutside(\n uint256 _xDGAmount\n )\n external\n {\n uint256 transferAmount = _xDGAmount\n * innerSupply()\n / totalSupply();\n\n _burn(\n msg.sender,\n _xDGAmount\n );\n\n DG.transfer(\n msg.sender,\n transferAmount\n );\n }\n\n function DGAmount(\n address _account\n )\n external\n view\n returns (uint256)\n {\n return balanceOf(_account)\n * innerSupply()\n / totalSupply();\n }\n\n function outsidAmount(\n uint256 _xDGAmount\n )\n external\n view\n returns (uint256 _DGAmount)\n {\n return _xDGAmount\n * innerSupply()\n / totalSupply();\n }\n\n function insideAmount(\n uint256 _DGAmount\n )\n external\n view\n returns (uint256 _xDGAmount)\n {\n uint256 xDGTotal = totalSupply();\n uint256 DGTotal = innerSupply();\n\n return xDGTotal == 0 || DGTotal == 0\n ? _DGAmount\n : _DGAmount * xDGTotal / DGTotal;\n }\n\n function innerSupply()\n public\n view\n returns (uint256)\n {\n return DG.balanceOf(address(this));\n }\n}\n"},"ERC20.sol":{"content":"// SPDX-License-Identifier: ---DG----\n\npragma solidity ^0.8.9;\n\ncontract ERC20 {\n\n string private _name;\n string private _symbol;\n uint8 private _decimals;\n\n uint256 private _totalSupply;\n\n mapping(address =\u003e uint256) private _balances;\n mapping(address =\u003e mapping(address =\u003e uint256)) private _allowances;\n mapping(address =\u003e uint) public nonces;\n\n bytes32 public DOMAIN_SEPARATOR;\n bytes32 public constant PERMIT_TYPEHASH = keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n );\n\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n constructor(\n string memory _entryname,\n string memory _entrysymbol\n ) {\n _name = _entryname;\n _symbol = _entrysymbol;\n _decimals = 18;\n }\n\n function name()\n public\n view\n returns (string memory)\n {\n return _name;\n }\n\n function symbol()\n public\n view\n returns (string memory)\n {\n return _symbol;\n }\n\n function decimals()\n public\n view\n returns (uint8)\n {\n return _decimals;\n }\n\n function totalSupply()\n public\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n function balanceOf(\n address _account\n )\n public\n view\n returns (uint256)\n {\n return _balances[_account];\n }\n\n function transfer(\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool)\n {\n _transfer(\n msg.sender,\n _recipient,\n _amount\n );\n\n return true;\n }\n\n function allowance(\n address _owner,\n address _spender\n )\n external\n view\n returns (uint256)\n {\n return _allowances[_owner][_spender];\n }\n\n function approve(\n address _spender,\n uint256 _amount\n )\n external\n returns (bool)\n {\n _approve(\n msg.sender,\n _spender,\n _amount\n );\n\n return true;\n }\n\n function transferFrom(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n public\n returns (bool)\n {\n _approve(\n _sender,\n msg.sender,\n _allowances[_sender][msg.sender] - _amount\n );\n\n _transfer(\n _sender,\n _recipient,\n _amount\n );\n\n return true;\n }\n\n function permit(\n address _owner,\n address _spender,\n uint256 _value,\n uint256 _deadline,\n uint8 _v,\n bytes32 _r,\n bytes32 _s\n )\n external\n {\n require(\n _deadline \u003e= block.timestamp,\n \u0027ERC20: PERMIT_CALL_EXPIRED\u0027\n );\n\n bytes32 digest = keccak256(\n abi.encodePacked(\n \u0027\\x19\\x01\u0027,\n DOMAIN_SEPARATOR,\n keccak256(\n abi.encode(\n PERMIT_TYPEHASH,\n _owner,\n _spender,\n _value,\n nonces[_owner]++,\n _deadline\n )\n )\n )\n );\n\n address recoveredAddress = ecrecover(\n digest,\n _v,\n _r,\n _s\n );\n\n require(\n recoveredAddress != address(0) \u0026\u0026\n recoveredAddress == _owner,\n \u0027INVALID_SIGNATURE\u0027\n );\n\n _approve(\n _owner,\n _spender,\n _value\n );\n }\n\n function _transfer(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n internal\n {\n _balances[_sender] =\n _balances[_sender] - _amount;\n\n _balances[_recipient] =\n _balances[_recipient] + _amount;\n\n emit Transfer(\n _sender,\n _recipient,\n _amount\n );\n }\n\n function _mint(\n address _account,\n uint256 _amount\n )\n internal\n {\n _totalSupply =\n _totalSupply + _amount;\n\n unchecked {\n _balances[_account] =\n _balances[_account] + _amount;\n }\n\n emit Transfer(\n address(0),\n _account,\n _amount\n );\n }\n\n function _burn(\n address _account,\n uint256 _amount\n )\n internal\n {\n _balances[_account] =\n _balances[_account] - _amount;\n\n unchecked {\n _totalSupply =\n _totalSupply - _amount;\n }\n\n emit Transfer(\n _account,\n address(0),\n _amount\n );\n }\n\n function _approve(\n address _owner,\n address _spender,\n uint256 _amount\n )\n internal\n {\n _allowances[_owner][_spender] = _amount;\n\n emit Approval(\n _owner,\n _spender,\n _amount\n );\n }\n}\n"}}File 2 of 2: DGLight
{"DGLightToken.sol":{"content":"// SPDX-License-Identifier: ---DG----\n\npragma solidity ^0.8.9;\n\nimport \"./ERC20.sol\";\n\ninterface IClassicDGToken {\n\n function transfer(\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool);\n\n function transferFrom(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool);\n}\n\ncontract DGLight is ERC20(\"Decentral Games\", \"DG\") {\n\n IClassicDGToken immutable public classicDG;\n uint16 constant public RATIO = 1000;\n\n constructor(\n address _classicDGTokenAddress\n ) {\n classicDG = IClassicDGToken(\n _classicDGTokenAddress\n );\n\n DOMAIN_SEPARATOR = keccak256(\n abi.encode(\n keccak256(\u0027EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\u0027),\n keccak256(bytes(name())),\n keccak256(bytes(\u00271\u0027)),\n block.chainid,\n address(this)\n )\n );\n }\n\n function goLight(\n uint256 _classicAmountToDeposit\n )\n external\n {\n classicDG.transferFrom(\n msg.sender,\n address(this),\n _classicAmountToDeposit\n );\n\n _mint(\n msg.sender,\n _classicAmountToDeposit * RATIO\n );\n }\n\n function goClassic(\n uint256 _classicAmountToReceive\n )\n external\n {\n classicDG.transfer(\n msg.sender,\n _classicAmountToReceive\n );\n\n _burn(\n msg.sender,\n _classicAmountToReceive * RATIO\n );\n }\n}\n"},"ERC20.sol":{"content":"// SPDX-License-Identifier: ---DG----\n\npragma solidity ^0.8.9;\n\ncontract ERC20 {\n\n string private _name;\n string private _symbol;\n uint8 private _decimals;\n\n uint256 private _totalSupply;\n\n mapping(address =\u003e uint256) private _balances;\n mapping(address =\u003e mapping(address =\u003e uint256)) private _allowances;\n mapping(address =\u003e uint) public nonces;\n\n bytes32 public DOMAIN_SEPARATOR;\n bytes32 public constant PERMIT_TYPEHASH = keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n );\n\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n constructor(\n string memory _entryname,\n string memory _entrysymbol\n ) {\n _name = _entryname;\n _symbol = _entrysymbol;\n _decimals = 18;\n }\n\n function name()\n public\n view\n returns (string memory)\n {\n return _name;\n }\n\n function symbol()\n public\n view\n returns (string memory)\n {\n return _symbol;\n }\n\n function decimals()\n public\n view\n returns (uint8)\n {\n return _decimals;\n }\n\n function totalSupply()\n public\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n function balanceOf(\n address _account\n )\n public\n view\n returns (uint256)\n {\n return _balances[_account];\n }\n\n function transfer(\n address _recipient,\n uint256 _amount\n )\n external\n returns (bool)\n {\n _transfer(\n msg.sender,\n _recipient,\n _amount\n );\n\n return true;\n }\n\n function allowance(\n address _owner,\n address _spender\n )\n external\n view\n returns (uint256)\n {\n return _allowances[_owner][_spender];\n }\n\n function approve(\n address _spender,\n uint256 _amount\n )\n external\n returns (bool)\n {\n _approve(\n msg.sender,\n _spender,\n _amount\n );\n\n return true;\n }\n\n function transferFrom(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n public\n returns (bool)\n {\n _approve(\n _sender,\n msg.sender,\n _allowances[_sender][msg.sender] - _amount\n );\n\n _transfer(\n _sender,\n _recipient,\n _amount\n );\n\n return true;\n }\n\n function permit(\n address _owner,\n address _spender,\n uint256 _value,\n uint256 _deadline,\n uint8 _v,\n bytes32 _r,\n bytes32 _s\n )\n external\n {\n require(\n _deadline \u003e= block.timestamp,\n \u0027ERC20: PERMIT_CALL_EXPIRED\u0027\n );\n\n bytes32 digest = keccak256(\n abi.encodePacked(\n \u0027\\x19\\x01\u0027,\n DOMAIN_SEPARATOR,\n keccak256(\n abi.encode(\n PERMIT_TYPEHASH,\n _owner,\n _spender,\n _value,\n nonces[_owner]++,\n _deadline\n )\n )\n )\n );\n\n address recoveredAddress = ecrecover(\n digest,\n _v,\n _r,\n _s\n );\n\n require(\n recoveredAddress != address(0) \u0026\u0026\n recoveredAddress == _owner,\n \u0027INVALID_SIGNATURE\u0027\n );\n\n _approve(\n _owner,\n _spender,\n _value\n );\n }\n\n function _transfer(\n address _sender,\n address _recipient,\n uint256 _amount\n )\n internal\n {\n _balances[_sender] =\n _balances[_sender] - _amount;\n\n _balances[_recipient] =\n _balances[_recipient] + _amount;\n\n emit Transfer(\n _sender,\n _recipient,\n _amount\n );\n }\n\n function _mint(\n address _account,\n uint256 _amount\n )\n internal\n {\n _totalSupply =\n _totalSupply + _amount;\n\n unchecked {\n _balances[_account] =\n _balances[_account] + _amount;\n }\n\n emit Transfer(\n address(0),\n _account,\n _amount\n );\n }\n\n function _burn(\n address _account,\n uint256 _amount\n )\n internal\n {\n _balances[_account] =\n _balances[_account] - _amount;\n\n unchecked {\n _totalSupply =\n _totalSupply - _amount;\n }\n\n emit Transfer(\n _account,\n address(0),\n _amount\n );\n }\n\n function _approve(\n address _owner,\n address _spender,\n uint256 _amount\n )\n internal\n {\n _allowances[_owner][_spender] = _amount;\n\n emit Approval(\n _owner,\n _spender,\n _amount\n );\n }\n}\n"}}