// 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/transmissions11/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
//////////////////////////////////////////////////////////////*/
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 {
address recoveredAddress = ecrecover(
keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(
abi.encode(
keccak256(
"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
),
owner,
spender,
value,
nonces[owner]++,
deadline
)
)
)
),
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);
}
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.25;
import {ERC20} from "solmate/src/tokens/ERC20.sol";
error Forbidden();
error NotOwner();
error Unauthorized();
contract SPumpMainToken is ERC20 {
address[] public holders;
mapping(address => bool) public isHolder;
address public owner;
mapping(address => bool) public isMinter;
mapping(address => uint256) public locked;
bool public isRestricted = true;
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals,
address _owner
) ERC20(_name, _symbol, _decimals) {
owner = _owner;
}
modifier onlyOwner() {
if (msg.sender != owner) revert NotOwner();
_;
}
modifier onlyAuthorized() {
if (msg.sender != owner && !isMinter[msg.sender]) revert Unauthorized();
_;
}
function updateRestricted(bool value) public onlyAuthorized {
isRestricted = value;
}
function updateLockValue(
address _address,
uint256 amount
) public onlyAuthorized {
locked[_address] = amount;
}
function _addHolder(address holder) private {
if (!isHolder[holder]) {
holders.push(holder);
isHolder[holder] = true;
}
}
function transfer(
address to,
uint256 amount
) public override returns (bool) {
if (
isRestricted &&
(balanceOf[msg.sender] - amount < locked[msg.sender])
) revert Forbidden();
_addHolder(to);
return super.transfer(to, amount);
}
function transferFrom(
address from,
address to,
uint256 amount
) public override returns (bool) {
if (isRestricted && balanceOf[from] - amount < locked[from])
revert Forbidden();
_addHolder(to);
return super.transferFrom(from, to, amount);
}
function approve(
address spender,
uint256 amount
) public override returns (bool) {
return super.approve(spender, amount);
}
/// @notice Mint new tokens.
/// @param to Address to which tokens will be minted
/// @param amount Amount of tokens to mint
function mint(address to, uint256 amount) public onlyAuthorized {
_mint(to, amount);
_addHolder(to);
}
/// @notice Authorizes an address to mint new tokens.
/// @param minter Address to authorize
function addMinter(address minter) public onlyOwner {
isMinter[minter] = true;
}
/// @notice Revokes minting authorization from an address.
/// @param minter Address to revoke authorization from
function removeMinter(address minter) public onlyOwner {
isMinter[minter] = false;
}
/// @notice Transfers ownership of the contract to a new address.
/// @param newOwner Address of the new owner
function transferOwnership(address newOwner) public onlyOwner {
owner = newOwner;
}
/// Get all addresses who have ever held the token with their balances
/// @return The holders and their balances
/// @notice Some holders may have a zero balance
function getHoldersWithBalance(
uint256 offset,
uint256 limit
) public view returns (address[] memory, uint256[] memory) {
uint256 length = holders.length;
if (offset >= length) {
return (new address[](0), new uint256[](0));
}
uint256 end = offset + limit;
if (end > length) {
end = length;
}
address[] memory resultAddresses = new address[](end - offset);
uint256[] memory resultBalances = new uint256[](end - offset);
for (uint256 i = offset; i < end; i++) {
address holder = holders[i];
resultAddresses[i - offset] = holder;
resultBalances[i - offset] = balanceOf[holder];
}
return (resultAddresses, resultBalances);
}
/// Get all addresses who have ever held the token
/// @return The holders
/// @notice Some holders may have a zero balance
function getHolders(
uint256 offset,
uint256 limit
) public view returns (address[] memory) {
uint256 length = holders.length;
if (offset >= length) {
return new address[](0);
}
uint256 end = offset + limit;
if (end > length) {
end = length;
}
address[] memory result = new address[](end - offset);
for (uint256 i = offset; i < end; i++) {
result[i - offset] = holders[i];
}
return result;
}
/// Get the number of all addresses who have ever held the token
/// @return The number of holders
/// @notice Some holders may have a zero balance
function getHoldersLength() public view returns (uint256) {
return holders.length;
}
}
{
"compilationTarget": {
"contracts/SPumpMainToken.sol": "SPumpMainToken"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [],
"viaIR": true
}
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e":"address","name":"minter","type":"address"}],"name":"removeMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"updateLockValue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"updateRestricted","outputs":[],"stateMutability":"nonpayable","type":"function"}]