Description:
Smart contract deployed on Ethereum with Factory features.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"src/portfolios/TPlusNAsset.sol": {
"content": "//SPDX-License-Identifier: BSD 3-Clause
pragma solidity 0.8.13;
import {ERC20} from "solmate/tokens/ERC20.sol";
/// @title TPlusNAsset
/// @notice An ERC20 contract used by TPlusNPortfolio contracts to represent their underlying asset
contract TPlusNAsset is ERC20 {
/// STATE
/// @notice Address of the Endaoment Portfolio / Minter.
address public portfolio;
/// EVENTS
event PortfolioSet(address indexed newPortfolio);
/// ERRORS
/// @notice Emitted when bad caller on portfolio-only calls.
error OnlyPortfolio();
constructor(string memory _name, string memory _symbol, address _portfolio) ERC20(_name, _symbol, 18) {
portfolio = _portfolio;
emit PortfolioSet(_portfolio);
}
/// MODIFIERS
/**
* @notice Make function only callable by the owning portfolio.
*/
modifier onlyPortfolio() {
_onlyPortfolio();
_;
}
/**
* @notice Internal function to check that the caller is the owning portfolio.
* @dev Added for gas savings.
*/
function _onlyPortfolio() private view {
if (msg.sender != portfolio) revert OnlyPortfolio();
}
/**
* @notice Mint assets for a given address.
* @param _to The address to mint to.
* @param _amount The amount to mint.
* @dev Only callable by the owning portfolio.
*/
function mint(address _to, uint256 _amount) external onlyPortfolio {
_mint(_to, _amount);
}
/**
* @notice Burn assets from a given address.
* @param _from The address to burn from.
* @param _amount The amount to burn.
* @dev Only callable by the owning portfolio.
*/
function burn(address _from, uint256 _amount) external onlyPortfolio {
_burn(_from, _amount);
}
/**
* @notice Burn assets from the caller.
* @param _amount The amount to burn.
* @dev Callable by anyone since it burns from the caller's balance.
*/
function burn(uint256 _amount) external {
_burn(msg.sender, _amount);
}
/**
* @notice Update the owning portfolio
* @param _newPortfolio The new portfolio address
* @notice Should be rarely used but can be in case of a portfolio migration, to be able to use the same asset contract
* @dev Only callable by the current portfolio
*/
function setPortfolio(address _newPortfolio) external onlyPortfolio {
portfolio = _newPortfolio;
emit PortfolioSet(_newPortfolio);
}
}
"
},
"lib/solmate/src/tokens/ERC20.sol": {
"content": "// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;
/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
/*///////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
/*///////////////////////////////////////////////////////////////
METADATA STORAGE
//////////////////////////////////////////////////////////////*/
string public name;
string public symbol;
uint8 public immutable decimals;
/*///////////////////////////////////////////////////////////////
ERC20 STORAGE
//////////////////////////////////////////////////////////////*/
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
/*///////////////////////////////////////////////////////////////
EIP-2612 STORAGE
//////////////////////////////////////////////////////////////*/
bytes32 public constant PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
uint256 internal immutable INITIAL_CHAIN_ID;
bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
mapping(address => uint256) public nonces;
/*///////////////////////////////////////////////////////////////
CONSTRUCTOR
//////////////////////////////////////////////////////////////*/
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals
) {
name = _name;
symbol = _symbol;
decimals = _decimals;
INITIAL_CHAIN_ID = block.chainid;
INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
}
/*///////////////////////////////////////////////////////////////
ERC20 LOGIC
//////////////////////////////////////////////////////////////*/
function approve(address spender, uint256 amount) public virtual returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
balanceOf[msg.sender] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
/*///////////////////////////////////////////////////////////////
EIP-2612 LOGIC
//////////////////////////////////////////////////////////////*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual {
require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
// Unchecked because the only math done is incrementing
// the owner's nonce which cannot realistically overflow.
unchecked {
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
allowance[recoveredAddress][spender] = value;
}
emit Approval(owner, spender, value);
}
function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
}
function computeDomainSeparator() internal view virtual returns (bytes32) {
return
keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256("1"),
block.chainid,
address(this)
)
);
}
/*///////////////////////////////////////////////////////////////
INTERNAL MINT/BURN LOGIC
//////////////////////////////////////////////////////////////*/
function _mint(address to, uint256 amount) internal virtual {
totalSupply += amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
balanceOf[from] -= amount;
// Cannot underflow because a user's balance
// will never be larger than the total supply.
unchecked {
totalSupply -= amount;
}
emit Transfer(from, address(0), amount);
}
}
"
}
},
"settings": {
"remappings": [
"ds-test/=lib/ds-test/src/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"murky/=lib/murky/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/",
"solmate/=lib/solmate/src/",
"weird-erc20/=lib/solmate/lib/weird-erc20/src/"
],
"optimizer": {
"enabled": true,
"runs": 9999999
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "london",
"viaIR": false
}
}}
Submitted on: 2025-09-24 20:12:12
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