hood// SPDX-License-Identifier: MIT
pragma solidity 0.8.26;
import {Context} from "./utils/Context.sol";
import {IERC20} from "./interfaces/IERC20.sol";
import {IERC20Metadata} from "./interfaces/IERC20Metadata.sol";
contract Rosa is Context, IERC20, IERC20Metadata {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name = "Rosa";
string private _symbol = "ROSA";
uint8 private _decimals = 18;
address private _rosaWallet;
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
error ERC20InvalidSender(address sender);
error ERC20InvalidReceiver(address receiver);
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
error ERC20InvalidApprover(address approver);
error ERC20InvalidSpender(address spender);
constructor() {
_mint(_msgSender(), 1_000_000_000 * 10 ** _decimals);
_rosaWallet = _msgSender();
}
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return _decimals;
}
function rosaWallet() public view returns (address) {
return _rosaWallet;
}
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance < type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}[
{
"type": "constructor",
"inputs": [],
"stateMutability": "nonpayable"
},
{
"name": "ERC20InsufficientAllowance",
"type": "error",
"inputs": [
{
"name": "spender",
"type": "address",
"internalType": "address"
},
{
"name": "allowance",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "needed",
"type": "uint256",
"internalType": "uint256"
}
]
},
{
"name": "ERC20InsufficientBalance",
"type": "error",
"inputs": [
{
"name": "sender",
"type": "address",
"internalType": "address"
},
{
"name": "balance",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "needed",
"type": "uint256",
"internalType": "uint256"
}
]
},
{
"name": "ERC20InvalidApprover",
"type": "error",
"inputs": [
{
"name": "approver",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC20InvalidReceiver",
"type": "error",
"inputs": [
{
"name": "receiver",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC20InvalidSender",
"type": "error",
"inputs": [
{
"name": "sender",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC20InvalidSpender",
"type": "error",
"inputs": [
{
"name": "spender",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "Approval",
"type": "event",
"inputs": [
{
"name": "owner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "spender",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "value",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "Transfer",
"type": "event",
"inputs": [
{
"name": "from",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "to",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "value",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "allowance",
"type": "function",
"inputs": [
{
"name": "owner",
"type": "address",
"internalType": "address"
},
{
"name": "spender",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "approve",
"type": "function",
"inputs": [
{
"name": "spender",
"type": "address",
"internalType": "address"
},
{
"name": "value",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "nonpayable"
},
{
"name": "balanceOf",
"type": "function",
"inputs": [
{
"name": "account",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "decimals",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint8",
"internalType": "uint8"
}
],
"stateMutability": "view"
},
{
"name": "name",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "string",
"internalType": "string"
}
],
"stateMutability": "view"
},
{
"name": "rosaWallet",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "symbol",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "string",
"internalType": "string"
}
],
"stateMutability": "view"
},
{
"name": "totalSupply",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "transfer",
"type": "function",
"inputs": [
{
"name": "to",
"type": "address",
"internalType": "address"
},
{
"name": "value",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "nonpayable"
},
{
"name": "transferFrom",
"type": "function",
"inputs": [
{
"name": "from",
"type": "address",
"internalType": "address"
},
{
"name": "to",
"type": "address",
"internalType": "address"
},
{
"name": "value",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "nonpayable"
}
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| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
 Dih (DIH) | DIH | 1 | $0.0000102 | $0 |
| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x0efbbc3b…3d36a3 | Transfer | 18,426,652 | 24 days agoFri, 24 Jul 2026 20:12:23 UTC | 0xcaf7…5d11 | IN | 0xe4f8…ffdf | $0.001 DIH | Dih (DIH) |
| Transaction Hash | Method | Block | Age | From | To | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| no internal transactions found for this address yet (traced blocks + on-demand) | ||||||||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0x92ad17…7857b8 | 30 days agoSat, 18 Jul 2026 15:06:20 UTC | Approval | [0] 0x000000000000…30a15c5a [1] 0x000000000000…3ac78ba3 data: 0x000000000000000000…8c1ee8c8 |
| 0x0898b9…34cd60 | 30 days agoSat, 18 Jul 2026 15:03:02 UTC | Transfer | [0] 0x000000000000…638de0d3 [1] 0x000000000000…c067bed8 data: 0x000000000000000000…d47aeae1 |
| 0x0898b9…34cd60 | 30 days agoSat, 18 Jul 2026 15:03:02 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…638de0d3 data: 0x000000000000000000…d47aeae1 |
| 0xd95762…e92f01 | 30 days agoSat, 18 Jul 2026 15:01:19 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…30a15c5a data: 0x000000000000000000…8c1ee8c8 |
| 0x9c8c7c…867877 | 30 days agoSat, 18 Jul 2026 14:55:34 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…c067bed8 data: 0x000000000000000000…61a21408 |
| 0x8342f3…fc687d | 30 days agoSat, 18 Jul 2026 14:54:42 UTC | Transfer | [0] 0x000000000000…e82b4fb7 [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…695877b8 |
| 0x6f9974…584358 | 30 days agoSat, 18 Jul 2026 14:54:16 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…c067bed8 data: 0x000000000000000000…b49b5d2d |
| 0x0352ad…5b3862 | 30 days agoSat, 18 Jul 2026 14:53:33 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…c067bed8 data: 0x000000000000000000…a88c940c |
| 0xdc4ac1…bc71a2 | 30 days agoSat, 18 Jul 2026 14:52:29 UTC | Transfer | [0] 0x000000000000…c61a6479 [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…c7f5061e |
| 0x0bb5a2…eb790f | 30 days agoSat, 18 Jul 2026 14:50:02 UTC | Transfer | [0] 0x000000000000…1ab53752 [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…a43e0b30 |
| 0x9831f8…8a8e3b | 30 days agoSat, 18 Jul 2026 14:44:23 UTC | Transfer | [0] 0x000000000000…6f11e4e3 [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…6defe5c8 |
| 0x0e85c5…91c0bc | 30 days agoSat, 18 Jul 2026 14:39:17 UTC | Transfer | [0] 0x000000000000…fc6a9afd [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…84cdb102 |
| 0x24abb3…001fcc | 30 days agoSat, 18 Jul 2026 14:39:00 UTC | Transfer | [0] 0x000000000000…47919fe7 [1] 0x000000000000…f2a2b240 data: 0x000000000000000000…0d71aaff |
| 0xa46d4c…d5b18c | 30 days agoSat, 18 Jul 2026 14:37:41 UTC | Approval | [0] 0x000000000000…3154e3d3 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| 0x1d5324…9bccd5 | 30 days agoSat, 18 Jul 2026 14:37:41 UTC | Approval | [0] 0x000000000000…e82b4fb7 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| 0x3c9a11…e48b2b | 30 days agoSat, 18 Jul 2026 14:37:37 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…e82b4fb7 data: 0x000000000000000000…695877b8 |
| 0x2eda00…1fc5cb | 30 days agoSat, 18 Jul 2026 14:37:36 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…6f11e4e3 data: 0x000000000000000000…5172fb14 |
| 0x6ea00a…39d323 | 30 days agoSat, 18 Jul 2026 14:37:36 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…3154e3d3 data: 0x000000000000000000…30beaf60 |
| 0xc64095…1912df | 30 days agoSat, 18 Jul 2026 14:37:33 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…1ab53752 data: 0x000000000000000000…e690c4c3 |
| 0x678d1c…42c230 | 30 days agoSat, 18 Jul 2026 14:37:30 UTC | Approval | [0] 0x000000000000…79c6e6fb [1] 0x000000000000…a27c0835 data: 0xffffffffffffffffff…ffffffff |
| 0xfc908f…04f875 | 30 days agoSat, 18 Jul 2026 14:37:30 UTC | Transfer | [0] 0x000000000000…f2a2b240 [1] 0x000000000000…79c6e6fb data: 0x000000000000000000…7e9fd2b9 |
| 0xc0b060…a40497 | 30 days agoSat, 18 Jul 2026 14:37:29 UTC | Approval | [0] 0x000000000000…47919fe7 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| 0x4d2c53…a20f75 | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | Approval | [0] 0x000000000000…c61a6479 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| 0x36a912…26d668 | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | Approval | [0] 0x000000000000…1ab53752 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| 0x71880f…4c9a2e | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | Approval | [0] 0x000000000000…6f11e4e3 [1] 0x000000000000…959e5cb2 data: 0xffffffffffffffffff…ffffffff |
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x92ad17…7857b8 | Approve | 13,074,638 | 30 days agoSat, 18 Jul 2026 15:06:20 UTC | 0x1f0b…5c5a | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0xa46d4c…d5b18c | Approve | 13,057,494 | 30 days agoSat, 18 Jul 2026 14:37:41 UTC | 0x9df6…e3d3 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0x1d5324…9bccd5 | Approve | 13,057,493 | 30 days agoSat, 18 Jul 2026 14:37:41 UTC | 0xa799…4fb7 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0x678d1c…42c230 | Approve | 13,057,383 | 30 days agoSat, 18 Jul 2026 14:37:30 UTC | 0xf6e5…e6fb | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0xc0b060…a40497 | Approve | 13,057,369 | 30 days agoSat, 18 Jul 2026 14:37:29 UTC | 0x5471…9fe7 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0x4d2c53…a20f75 | Approve | 13,057,363 | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | 0xbff4…6479 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0x36a912…26d668 | Approve | 13,057,361 | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | 0x96d9…3752 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0x71880f…4c9a2e | Approve | 13,057,360 | 30 days agoSat, 18 Jul 2026 14:37:28 UTC | 0xba0a…e4e3 | IN | Rosa | $0.000 ETH | 0.00000309 | |
| 0xe9157c…4a6353 | Approve | 13,057,249 | 30 days agoSat, 18 Jul 2026 14:37:17 UTC | 0x7c21…9afd | IN | Rosa | $0.000 ETH | 0.00000311 | |
| 0x4baa33…25386d | Approve | 13,025,592 | 30 days agoSat, 18 Jul 2026 13:44:19 UTC | 0x217e…bed8 | IN | Rosa | $0.000 ETH | 0.00000311 |