| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
 Dih (DIH) | DIH | 1 | $0.0000123 | $0 |
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x89600812…6ff76c | Transfer | 17,315,781 | 23 days agoThu, 23 Jul 2026 13:15:49 UTC | 0xcaf7…5d11 | IN | 0x01ac…4663 | $0.001 DIH | Dih (DIH) |
| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| Transaction Hash | Method | Block | Age | From | To | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0x62b849…1371df | 20 days agoSun, 26 Jul 2026 12:44:43 UTC | Transfer | [0] 0x000000000000…e9b05d31 [1] 0x000000000000…43e40951 data: 0x000000000000000000…3064f244 |
| 0x62b849…1371df | 20 days agoSun, 26 Jul 2026 12:44:43 UTC | Transfer | [0] 0x000000000000…3294b726 [1] 0x000000000000…e9b05d31 data: 0x000000000000000000…3064f244 |
| 0xe8a52a…2cea41 | 20 days agoSun, 26 Jul 2026 12:44:38 UTC | Approval | [0] 0x000000000000…3294b726 [1] 0x000000000000…f6797d6d data: 0xffffffffffffffffff…ffffffff |
| 0xc35175…fb9375 | 20 days agoSun, 26 Jul 2026 12:44:33 UTC | Approval | [0] 0x000000000000…3294b726 [1] 0x000000000000…db8c0904 data: 0xffffffffffffffffff…ffffffff |
| 0x8d801b…2946d2 | 20 days agoSun, 26 Jul 2026 12:44:28 UTC | Approval | [0] 0x000000000000…3294b726 [1] 0x000000000000…e1a4f53d data: 0xffffffffffffffffff…ffffffff |
| 0x177c7e…e2b99a | 20 days agoSun, 26 Jul 2026 12:44:23 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…3294b726 data: 0x000000000000000000…3064b604 |
| 0xeb5b82…676e67 | 23 days agoThu, 23 Jul 2026 08:21:27 UTC | Approval | [0] 0x000000000000…d733cca7 [1] 0x000000000000…1fcf6f60 data: 0xffffffffffffffffff…ffffffff |
| 0x641a90…7710e0 | 24 days agoWed, 22 Jul 2026 05:41:40 UTC | Transfer | [0] 0x000000000000…3294b726 [1] 0x000000000000…43e40951 data: 0x000000000000000000…3064b605 |
| 0xeb3d48…af5bd5 | 24 days agoWed, 22 Jul 2026 05:41:39 UTC | Approval | [0] 0x000000000000…3294b726 [1] 0x000000000000…3ac78ba3 data: 0xffffffffffffffffff…ffffffff |
| 0x819fb7…039388 | 24 days agoWed, 22 Jul 2026 05:41:36 UTC | Transfer | [0] 0x000000000000…94624eff [1] 0x000000000000…3294b726 data: 0x000000000000000000…3064f245 |
| 0x819fb7…039388 | 24 days agoWed, 22 Jul 2026 05:41:36 UTC | Transfer | [0] 0x000000000000…94624eff [1] 0x000000000000…24c8fce5 data: 0x000000000000000000…12a91bec |
| 0x819fb7…039388 | 24 days agoWed, 22 Jul 2026 05:41:36 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…94624eff data: 0x000000000000000000…430e0e31 |
| 0x819fb7…039388 | 24 days agoWed, 22 Jul 2026 05:41:36 UTC | 0x494517…76af | [0] 0x000000000000…94624eff data: 0x000000000000000000…00000001 |
| 0x62b131…bb2d19 | 24 days agoWed, 22 Jul 2026 05:41:19 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…d733cca7 data: 0x000000000000000000…bd651343 |
| 0xb45891…53d526 | 24 days agoWed, 22 Jul 2026 05:40:54 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…d733cca7 data: 0x000000000000000000…cc98e031 |
| 0x6b742d…c8835d | 26 days agoMon, 20 Jul 2026 23:34:38 UTC | Transfer | [0] 0x000000000000…c7349999 [1] 0x000000000000…43e40951 data: 0x000000000000000000…728f53f3 |
| 0xfd7bc7…7f8d6e | 26 days agoMon, 20 Jul 2026 23:34:38 UTC | Approval | [0] 0x000000000000…c7349999 [1] 0x000000000000…e534ecb1 data: 0xffffffffffffffffff…ffffffff |
| 0x8414f6…1f077d | 32 days agoTue, 14 Jul 2026 22:03:21 UTC | Transfer | [0] 0x000000000000…db8c0904 [1] 0x000000000000…43e40951 data: 0x000000000000000000…83debb2e |
| 0x8414f6…1f077d | 32 days agoTue, 14 Jul 2026 22:03:21 UTC | Transfer | [0] 0x000000000000…10cf0836 [1] 0x000000000000…db8c0904 data: 0x000000000000000000…83debb2e |
| 0x4ccc3a…4072b2 | 32 days agoTue, 14 Jul 2026 21:40:20 UTC | Approval | [0] 0x000000000000…10cf0836 [1] 0x000000000000…34442049 data: 0xffffffffffffffffff…ffffffff |
| 0x37da06…52e72b | 32 days agoTue, 14 Jul 2026 21:40:19 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…10cf0836 data: 0x000000000000000000…83debb2e |
| 0xca0500…e3829a | 32 days agoTue, 14 Jul 2026 11:06:06 UTC | Transfer | [0] 0x000000000000…db8c0904 [1] 0x000000000000…43e40951 data: 0x000000000000000000…2c546c52 |
| 0xca0500…e3829a | 32 days agoTue, 14 Jul 2026 11:06:06 UTC | Transfer | [0] 0x000000000000…d28d9bb7 [1] 0x000000000000…db8c0904 data: 0x000000000000000000…2c546c52 |
| 0x3230bd…3e248c | 32 days agoTue, 14 Jul 2026 08:05:39 UTC | Transfer | [0] 0x000000000000…34442049 [1] 0x000000000000…d28d9bb7 data: 0x000000000000000000…2c546c52 |
| 0x3230bd…3e248c | 32 days agoTue, 14 Jul 2026 08:05:39 UTC | Transfer | [0] 0x000000000000…43e40951 [1] 0x000000000000…34442049 data: 0x000000000000000000…2c546c52 |
hood// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.26;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import {FullMath} from "v4-core/libraries/FullMath.sol";
interface ILimitExemptRegistry {
function isLimitExempt(address account) external view returns (bool);
}
/// @notice Purpose-built, fixed-supply, ownerless launch token with two flywheel reward mechanics that
/// need per-holder accounting: (a) auto-rebasing native-token REFLECTIONS and (b) WETH DIVIDENDS — both
/// paid ONLY to EOA (non-contract) holders. It is NOT an OZ ERC-20 subclass: it implements IERC20 +
/// IERC20Metadata from scratch over a dual ledger.
///
/// Dual ledger (no set is ever enumerated):
/// - ELIGIBLE holders (EOAs, not registry-exempt) are stored as SHARES of an elastic token pool. Their
/// `balanceOf` = shares * totalEligibleTokens / totalShares, so a reflection (which grows
/// totalEligibleTokens) rebases every eligible balance up pro-rata with no per-holder writes.
/// - EXCLUDED holders (contracts, registry-exempt infra, address(0), 0xdead) are stored as RAW token
/// amounts that never rebase. This is what keeps the Uniswap pool's reserves sound: the PoolManager,
/// hook, launcher, and routers are all excluded, so a reflection never inflates the pool's balance.
///
/// Eligibility is evaluated LAZILY: every transfer (and mint) reclassifies both parties, converting a
/// holder's whole balance between the two ledgers at the current rate if its class changed. A
/// permissionless `sync(a)` forces a reclassification (handles a contract that received tokens during
/// its own constructor, when its code size still read as 0).
///
/// During the launch window it enforces max-tx / max-wallet limits on inbound transfers to non-exempt
/// wallets; the launchpad hook flips `limitsLifted` ONE-WAY the first time price crosses the target
/// market cap (or after an optional time backstop), after which limits never bind again.
contract LaunchToken is IERC20, IERC20Metadata, IERC20Errors {
using SafeERC20 for IERC20;
using SafeCast for uint256;
error MaxTxExceeded();
error MaxWalletExceeded();
error OnlyLifter();
error ReflectionUnbacked();
error NoEligibleHolders();
/// A WETH distribution was attempted while the eligible base is below MIN_DIVIDEND_SHARES.
error InsufficientShares();
event LimitsLifted();
/// Native-token reflection: `amount` tokens moved from the hook into the elastic pool (rebases all
/// eligible balances up), or burned if there were no eligible holders yet.
event ReflectionDistributed(uint256 amount);
/// WETH dividend of `amount` distributed pro-rata to eligible (EOA) holders' shares.
event WethDistributed(uint256 amount);
event WethClaimed(address indexed holder, address indexed to, uint256 amount);
/// A holder crossed the EOA/contract boundary and had its whole balance moved between ledgers.
event Reclassified(address indexed account, bool excluded);
/// @dev Magnitude scaler for the WETH-dividend accumulator (classic magnified-dividend pattern).
uint256 private constant MAG = 2 ** 128;
address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
/// @notice Minimum eligible share base required to accept a WETH distribution. Distributing while
/// `_totalShares` is tiny would blow `_magWethPerShare` up astronomically (dividing a large WETH
/// amount by a sub-token share base); flooring the denominator at 1 token of shares keeps the
/// accumulator bounded so it can never lose precision or overflow on a later distribution. The hook
/// reads this to ROLL a reward FORWARD instead of distributing below the floor (public so callers can
/// reference it as a compile-time constant, no external call needed). See distributeWeth / harvest.
uint256 public constant MIN_DIVIDEND_SHARES = 1e18;
// ---------------------------------------------------------------- immutables / config
/// The launcher that deployed this token; the entire supply is minted to it for seeding.
address public immutable launcher;
/// The hook allowed to permanently lift limits AND to distribute reflections / WETH dividends.
address public immutable lifter;
/// Source of the shared infra exempt-set (PoolManager, routers, hook…).
ILimitExemptRegistry public immutable registry;
/// The reward / quote currency (WETH). The token custodies dividend WETH until holders claim it.
address public immutable weth;
uint128 public immutable maxTxBaseAmount;
uint128 public immutable maxWalletBaseAmount;
/// Optional time backstop; 0 = limits only lift on the price latch.
uint40 public immutable limitsExpiry;
bool public limitsLifted;
/// Set true only during a privileged transfer (hook fee payout or launcher dev-vesting release) so
/// those bypass the launch-window limits — never true during a swap. See setPrivilegedTransfer.
bool private _privileged;
string private _name;
string private _symbol;
string private _tokenURI;
// ---------------------------------------------------------------- dual ledger
uint256 private _supply; // totalSupply(); INVARIANT: _supply == _totalEligibleTokens + _totalRaw
uint256 private _totalEligibleTokens; // token backing behind the shares ledger
uint256 private _totalRaw; // sum of excluded holders' raw balances
uint256 private _totalShares; // aggregate shares
mapping(address => uint256) private _shares; // eligible holders' shares
mapping(address => uint256) private _raw; // excluded holders' raw token balance
mapping(address => bool) private _excluded; // current STORED class of each account
mapping(address => mapping(address => uint256)) private _allowances;
// ---------------------------------------------------------------- WETH magnified dividends
uint256 private _magWethPerShare; // scaled by MAG
mapping(address => int256) private _corr; // per-holder correction, kept exact on every share change
mapping(address => uint256) private _withdrawn; // WETH already claimed by a holder
constructor(
string memory name_,
string memory symbol_,
string memory tokenURI_,
uint256 supply,
address lifter_,
address registry_,
uint128 maxTx_,
uint128 maxWallet_,
uint40 startTime_,
uint32 limitsDuration_,
address weth_
) {
launcher = msg.sender;
lifter = lifter_;
registry = ILimitExemptRegistry(registry_);
weth = weth_;
maxTxBaseAmount = maxTx_;
maxWalletBaseAmount = maxWallet_;
// Derive the limits backstop from deterministic args only. `block.timestamp` is read here (not a
// constructor arg), so it does NOT affect the CREATE2 address — the token address stays mineable
// off-chain for the vanity suffix.
uint40 activation = startTime_ == 0 ? uint40(block.timestamp) : startTime_;
limitsExpiry = limitsDuration_ == 0 ? 0 : uint40(uint256(activation) + limitsDuration_);
_name = name_;
_symbol = symbol_;
_tokenURI = tokenURI_;
if (maxTx_ == 0 && maxWallet_ == 0) limitsLifted = true; // nothing to enforce
_mint(msg.sender, supply); // launcher is a contract => excluded/raw
}
// ---------------------------------------------------------------- ERC20 metadata
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external pure returns (uint8) {
return 18;
}
function tokenURI() external view returns (string memory) {
return _tokenURI;
}
// ---------------------------------------------------------------- ERC20 views
function totalSupply() external view returns (uint256) {
return _supply;
}
/// @notice Elastic for eligible holders (shares * rate), raw for excluded holders.
function balanceOf(address account) public view returns (uint256) {
if (_excluded[account]) return _raw[account];
return _sharesToTokens(_shares[account]);
}
function allowance(address owner, address spender) external view returns (uint256) {
return _allowances[owner][spender];
}
// ---------------------------------------------------------------- ERC20 mutators
function approve(address spender, uint256 value) external returns (bool) {
if (spender == address(0)) revert ERC20InvalidSpender(address(0));
_allowances[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function transfer(address to, uint256 value) external returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint256 value) external returns (bool) {
_spendAllowance(from, msg.sender, value);
_transfer(from, to, value);
return true;
}
/// @notice Burn caller's tokens (launcher burns seeding dust; anyone may burn their own).
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
// ---------------------------------------------------------------- launch-window limits
/// @notice Permanently disable launch-window limits. Callable once by the hook.
function liftLimits() external {
if (msg.sender != lifter) revert OnlyLifter();
if (!limitsLifted) {
limitsLifted = true;
emit LimitsLifted();
}
}
/// @notice Launcher/hook-only: temporarily exempt a privileged transfer (a fee-withdrawal by the
/// hook, or a dev-vesting release by the launcher) from the launch limits. The caller toggles this
/// true→transfer→false within a single call, so it is never observable during a swap and cannot be
/// used to bypass trader buy limits.
function setPrivilegedTransfer(bool value) external {
if (msg.sender != lifter && msg.sender != launcher) revert OnlyLifter();
_privileged = value;
}
/// @notice True while limits still bind (the time backstop is honored live, not just on lift).
function limitsActive() public view returns (bool) {
if (limitsLifted) return false;
if (limitsExpiry != 0 && block.timestamp >= limitsExpiry) return false;
return true;
}
// ---------------------------------------------------------------- reclassification
/// @notice Force `a` into its correct ledger. Permissionless; supply-conserving. Needed when a
/// contract received tokens during its own constructor (code size read 0, so it was mis-stored as
/// eligible) — this, or its next transfer, moves it to the excluded/raw ledger where it can't rebase.
function sync(address a) external {
_reclassify(a);
}
/// @notice Whether `a` is CURRENTLY stored in the excluded (raw) ledger.
function isExcluded(address a) external view returns (bool) {
return _excluded[a];
}
// ---------------------------------------------------------------- flywheel distribution (lifter-only)
/// @notice Auto-rebasing native-token reflection. The hook must have first sent this token `r` tokens
/// (held as raw against the lifter). If there are eligible holders, `r` is moved from raw into the
/// elastic pool, growing every eligible balance pro-rata with no claim. If there are none yet, `r` is
/// burned so nothing is stranded. Total supply is unchanged by the rebase (only by the empty burn).
function distributeReflection(uint256 r) external {
if (msg.sender != lifter) revert OnlyLifter();
if (r == 0) return;
if (_raw[lifter] < r) revert ReflectionUnbacked();
_raw[lifter] -= r;
_totalRaw -= r;
if (_totalShares != 0) {
_totalEligibleTokens += r; // rebase up; _supply stays == _totalEligibleTokens + _totalRaw
emit ReflectionDistributed(r);
} else {
_supply -= r; // no eligible holders: burn instead of stranding
emit Transfer(lifter, address(0), r);
}
}
/// @notice Distribute `w` WETH pro-rata to eligible holders' shares. The hook must have already sent
/// this token `w` WETH (the token custodies it until holders claim). Reverts if there are no eligible
/// holders, or if the eligible base is below MIN_DIVIDEND_SHARES (the hook checks `totalShares()`
/// first and rolls the WETH forward in either case). Flooring the share base keeps `_magWethPerShare`
/// bounded: it only ever grows by `mulDiv(w, MAG, _totalShares)` with `_totalShares >= 1e18`, so for
/// uint128-bounded `w` the accumulator (and every product it feeds) stays well within uint256.
/// Uses FullMath.mulDiv (512-bit intermediate) so the store itself can never overflow.
function distributeWeth(uint256 w) external {
if (msg.sender != lifter) revert OnlyLifter();
if (w == 0) return;
if (_totalShares == 0) revert NoEligibleHolders();
if (_totalShares < MIN_DIVIDEND_SHARES) revert InsufficientShares();
_magWethPerShare += FullMath.mulDiv(w, MAG, _totalShares);
emit WethDistributed(w);
}
// ---------------------------------------------------------------- WETH dividend claims
/// @notice WETH earned by `a` that has not yet been withdrawn (0 for excluded holders).
function withdrawableWeth(address a) public view returns (uint256) {
uint256 acc = _accumulativeWeth(a);
uint256 w = _withdrawn[a];
return acc > w ? acc - w : 0;
}
/// @notice Cumulative WETH ever allocated to `a` (before withdrawals).
function accumulativeWeth(address a) external view returns (uint256) {
return _accumulativeWeth(a);
}
function claimWeth() external returns (uint256) {
return _claimWeth(msg.sender);
}
function claimWeth(address to) external returns (uint256) {
return _claimWethTo(msg.sender, to);
}
function _claimWeth(address holder) private returns (uint256) {
return _claimWethTo(holder, holder);
}
function _claimWethTo(address holder, address to) private returns (uint256 amount) {
_reclassify(holder); // a mis-stored contract flips to excluded here and can no longer claim
amount = withdrawableWeth(holder);
if (amount == 0) return 0;
_withdrawn[holder] += amount;
IERC20(weth).safeTransfer(to, amount);
emit WethClaimed(holder, to, amount);
}
// ---------------------------------------------------------------- ledger introspection
function totalShares() external view returns (uint256) {
return _totalShares;
}
function totalEligibleTokens() external view returns (uint256) {
return _totalEligibleTokens;
}
function totalRaw() external view returns (uint256) {
return _totalRaw;
}
function sharesOf(address a) external view returns (uint256) {
return _shares[a];
}
function magWethPerShare() external view returns (uint256) {
return _magWethPerShare;
}
// ================================================================ internals
function _sharesToTokens(uint256 s) private view returns (uint256) {
if (_totalShares == 0) return 0;
return Math.mulDiv(s, _totalEligibleTokens, _totalShares);
}
function _tokensToShares(uint256 t) private view returns (uint256) {
// Bootstrap 1:1 when the elastic pool is empty (first eligible holder sets the rate).
if (_totalEligibleTokens == 0) return t;
return Math.mulDiv(t, _totalShares, _totalEligibleTokens);
}
/// @dev Add `dv` shares to `a`, keeping its WETH-dividend correction consistent. The correction is
/// stored in WETH units (`mulDiv(_magWethPerShare, dv, MAG)`, a 512-bit intermediate) so it can never
/// overflow no matter how large `_magWethPerShare` is. Increasing shares SUBTRACTS (the new shares
/// must not retroactively earn past distributions). Because the base term
/// (`_accumulativeWeth`) floors independently, we round this subtraction UP so every holder's
/// accumulative stays <= its true entitlement — this makes `sum(accumulative) <= distributed` hold
/// EXACTLY (no dust over-credit), which keeps the token provably solvent for dividend claims.
function _incShares(address a, uint256 dv) private {
_shares[a] += dv;
_totalShares += dv;
_corr[a] -= FullMath.mulDivRoundingUp(_magWethPerShare, dv, MAG).toInt256();
}
/// @dev Remove `dv` shares from `a`, keeping its WETH-dividend correction consistent (WETH units,
/// 512-bit intermediate — cannot overflow). Decreasing shares ADDS back the already-earned slice;
/// rounded DOWN (floor) so the credit can never exceed what was truly earned (conservative, solvent).
function _decShares(address a, uint256 dv) private {
_shares[a] -= dv;
_totalShares -= dv;
_corr[a] += FullMath.mulDiv(_magWethPerShare, dv, MAG).toInt256();
}
/// @dev Cumulative WETH allocated to `a`, in WETH units. `mulDiv(_magWethPerShare, _shares[a], MAG)`
/// uses a 512-bit intermediate, so however large `_magWethPerShare` has grown the WETH-unit result
/// (bounded by total WETH distributed) fits uint256 — it can never overflow or trip `toInt256`.
function _accumulativeWeth(address a) private view returns (uint256) {
if (_excluded[a]) return 0;
int256 v = int256(FullMath.mulDiv(_magWethPerShare, _shares[a], MAG)) + _corr[a];
return v <= 0 ? 0 : uint256(v);
}
function _isExcludedNow(address a) private view returns (bool) {
return a == address(0) || a == DEAD || a.code.length > 0 || registry.isLimitExempt(a);
}
/// @dev Exempt from the launch-window limits (distinct from the ledger-exclusion set).
function _isExempt(address account) private view returns (bool) {
return account == launcher || account == lifter || registry.isLimitExempt(account);
}
/// @dev If `a`'s live class differs from its stored class, move its whole balance between ledgers at
/// the current rate. Supply-conserving; leaves the WETH-dividend correction exact.
function _reclassify(address a) private {
bool shouldExclude = _isExcludedNow(a);
if (shouldExclude == _excluded[a]) return;
if (shouldExclude) {
// eligible -> excluded: freeze the current elastic balance into raw
uint256 sh = _shares[a];
uint256 bal = _sharesToTokens(sh);
if (sh != 0) _decShares(a, sh);
_totalEligibleTokens -= bal;
_raw[a] += bal;
_totalRaw += bal;
_excluded[a] = true;
} else {
// excluded -> eligible: mint shares for the raw balance at the current rate
uint256 bal = _raw[a];
_totalRaw -= bal;
_raw[a] = 0;
_excluded[a] = false;
uint256 dv = _tokensToShares(bal); // rate BEFORE adding bal to the pool
_incShares(a, dv);
_totalEligibleTokens += bal;
}
emit Reclassified(a, shouldExclude);
}
/// @dev Mint by class of `to`; updates `_supply`. Emits Transfer(0, to).
function _mint(address to, uint256 value) private {
_reclassify(to);
if (_excluded[to]) {
_raw[to] += value;
_totalRaw += value;
} else {
_incShares(to, _tokensToShares(value));
_totalEligibleTokens += value;
}
_supply += value;
emit Transfer(address(0), to, value);
}
/// @dev Burn by class of `from`; updates `_supply`. Emits Transfer(from, 0).
function _burn(address from, uint256 value) private {
_reclassify(from);
if (_excluded[from]) {
uint256 r = _raw[from];
if (value > r) revert ERC20InsufficientBalance(from, r, value);
_raw[from] = r - value;
_totalRaw -= value;
} else {
uint256 bal = _sharesToTokens(_shares[from]);
if (value > bal) revert ERC20InsufficientBalance(from, bal, value);
uint256 dv = _tokensToShares(value);
uint256 fromShares = _shares[from];
if (dv > fromShares) dv = fromShares; // clamp rounding
_decShares(from, dv);
_totalEligibleTokens -= value;
}
_supply -= value;
emit Transfer(from, address(0), value);
}
/// @dev Class-pair transfer with exact share conservation. Reclassifies both parties, enforces the
/// launch-window limits, then routes by (fromClass, toClass) — never a generic burn+mint.
function _transfer(address from, address to, uint256 value) private {
if (from == address(0)) revert ERC20InvalidSender(address(0));
if (to == address(0)) revert ERC20InvalidReceiver(address(0));
_reclassify(from);
_reclassify(to);
// Enforce only on transfers into a non-exempt wallet while limits are active. The hook, launcher,
// and registry-listed infra (PoolManager, routers) are all exempt.
if (!_privileged && limitsActive() && !_isExempt(to)) {
if (maxTxBaseAmount != 0 && value > maxTxBaseAmount) revert MaxTxExceeded();
if (maxWalletBaseAmount != 0 && balanceOf(to) + value > maxWalletBaseAmount) revert MaxWalletExceeded();
}
bool fromEx = _excluded[from];
bool toEx = _excluded[to];
if (!fromEx && !toEx) {
// eligible -> eligible: move shares only; totals unchanged (invariant under reflection)
uint256 bal = _sharesToTokens(_shares[from]);
if (value > bal) revert ERC20InsufficientBalance(from, bal, value);
uint256 dv = _tokensToShares(value);
uint256 fromShares = _shares[from];
if (dv > fromShares) dv = fromShares; // clamp rounding
// WETH-unit corrections via 512-bit mulDiv: never overflow regardless of _magWethPerShare.
// `from` keeps its already-earned slice (+, floored — never credit more than earned); `to`
// must not inherit it (-, rounded up — never under-subtract). Both round conservatively so
// neither party's accumulative can exceed its true entitlement (keeps sum <= distributed).
int256 dFrom = FullMath.mulDiv(_magWethPerShare, dv, MAG).toInt256();
int256 dTo = FullMath.mulDivRoundingUp(_magWethPerShare, dv, MAG).toInt256();
_shares[from] = fromShares - dv;
_shares[to] += dv;
_corr[from] += dFrom;
_corr[to] -= dTo;
} else if (!fromEx && toEx) {
// eligible -> excluded
uint256 bal = _sharesToTokens(_shares[from]);
if (value > bal) revert ERC20InsufficientBalance(from, bal, value);
uint256 dv = _tokensToShares(value);
uint256 fromShares = _shares[from];
if (dv > fromShares) dv = fromShares;
_decShares(from, dv);
_totalEligibleTokens -= value;
_raw[to] += value;
_totalRaw += value;
} else if (fromEx && !toEx) {
// excluded -> eligible
uint256 r = _raw[from];
if (value > r) revert ERC20InsufficientBalance(from, r, value);
_raw[from] = r - value;
_totalRaw -= value;
_incShares(to, _tokensToShares(value)); // rate BEFORE the add below
_totalEligibleTokens += value;
} else {
// excluded -> excluded
uint256 r = _raw[from];
if (value > r) revert ERC20InsufficientBalance(from, r, value);
_raw[from] = r - value;
_raw[to] += value;
}
emit Transfer(from, to, value);
}
function _spendAllowance(address owner, address spender, uint256 value) private {
uint256 current = _allowances[owner][spender];
if (current != type(uint256).max) {
if (current < value) revert ERC20InsufficientAllowance(spender, current, value);
unchecked {
_allowances[owner][spender] = current - value;
}
}
}
}[
{
"type": "constructor",
"inputs": [
{
"name": "name_",
"type": "string",
"internalType": "string"
},
{
"name": "symbol_",
"type": "string",
"internalType": "string"
},
{
"name": "tokenURI_",
"type": "string",
"internalType": "string"
},
{
"name": "supply",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "lifter_",
"type": "address",
"internalType": "address"
},
{
"name": "registry_",
"type": "address",
"internalType": "address"
},
{
"name": "maxTx_",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "maxWallet_",
"type": "uint128",
"internalType": "uint128"
},
{
"name": "startTime_",
"type": "uint40",
"internalType": "uint40"
},
{
"name": "limitsDuration_",
"type": "uint32",
"internalType": "uint32"
},
{
"name": "weth_",
"type": "address",
"internalType": "address"
}
],
"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": "InsufficientShares",
"type": "error",
"inputs": []
},
{
"name": "MaxTxExceeded",
"type": "error",
"inputs": []
},
{
"name": "MaxWalletExceeded",
"type": "error",
"inputs": []
},
{
"name": "NoEligibleHolders",
"type": "error",
"inputs": []
},
{
"name": "OnlyLifter",
"type": "error",
"inputs": []
},
{
"name": "ReflectionUnbacked",
"type": "error",
"inputs": []
},
{
"name": "SafeCastOverflowedUintToInt",
"type": "error",
"inputs": [
{
"name": "value",
"type": "uint256",
"internalType": "uint256"
}
]
},
{
"name": "SafeERC20FailedOperation",
"type": "error",
"inputs": [
{
"name": "token",
"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": "LimitsLifted",
"type": "event",
"inputs": [],
"anonymous": false
},
{
"name": "Reclassified",
"type": "event",
"inputs": [
{
"name": "account",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "excluded",
"type": "bool",
"indexed": false,
"internalType": "bool"
}
],
"anonymous": false
},
{
"name": "ReflectionDistributed",
"type": "event",
"inputs": [
{
"name": "amount",
"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": "WethClaimed",
"type": "event",
"inputs": [
{
"name": "holder",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "to",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "WethDistributed",
"type": "event",
"inputs": [
{
"name": "amount",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "MIN_DIVIDEND_SHARES",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "accumulativeWeth",
"type": "function",
"inputs": [
{
"name": "a",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"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": "burn",
"type": "function",
"inputs": [
{
"name": "amount",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "claimWeth",
"type": "function",
"inputs": [
{
"name": "to",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "claimWeth",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "decimals",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint8",
"internalType": "uint8"
}
],
"stateMutability": "pure"
},
{
"name": "distributeReflection",
"type": "function",
"inputs": [
{
"name": "r",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "distributeWeth",
"type": "function",
"inputs": [
{
"name": "w",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "isExcluded",
"type": "function",
"inputs": [
{
"name": "a",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "launcher",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "liftLimits",
"type": "function",
"inputs": [],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "lifter",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "limitsActive",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "limitsExpiry",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint40",
"internalType": "uint40"
}
],
"stateMutability": "view"
},
{
"name": "limitsLifted",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "bool",
"internalType": "bool"
}
],
"stateMutability": "view"
},
{
"name": "magWethPerShare",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "maxTxBaseAmount",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "maxWalletBaseAmount",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint128",
"internalType": "uint128"
}
],
"stateMutability": "view"
},
{
"name": "name",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "string",
"internalType": "string"
}
],
"stateMutability": "view"
},
{
"name": "registry",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "contract ILimitExemptRegistry"
}
],
"stateMutability": "view"
},
{
"name": "setPrivilegedTransfer",
"type": "function",
"inputs": [
{
"name": "value",
"type": "bool",
"internalType": "bool"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "sharesOf",
"type": "function",
"inputs": [
{
"name": "a",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "symbol",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "string",
"internalType": "string"
}
],
"stateMutability": "view"
},
{
"name": "sync",
"type": "function",
"inputs": [
{
"name": "a",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "tokenURI",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "string",
"internalType": "string"
}
],
"stateMutability": "view"
},
{
"name": "totalEligibleTokens",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "totalRaw",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "totalShares",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"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"
},
{
"name": "weth",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "withdrawableWeth",
"type": "function",
"inputs": [
{
"name": "a",
"type": "address",
"internalType": "address"
}
],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
}
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| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| 9,368,120 | 32 days agoTue, 14 Jul 2026 07:59:19 UTC | 0x48e64c…09b555 | CREATE2 | launch | 0x8072…239b | IN | 0x01ac…4663 | 0 ETH |
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| 0xe8a52a…2cea41 | Approve | 19,880,337 | 20 days agoSun, 26 Jul 2026 12:44:38 UTC | 0xe390…b726 | IN | Squeez Cat | $0.000 ETH | 0.00000249 | |
| 0xc35175…fb9375 | Approve | 19,880,289 | 20 days agoSun, 26 Jul 2026 12:44:33 UTC | 0xe390…b726 | IN | Squeez Cat | $0.000 ETH | 0.00000245 | |
| 0x8d801b…2946d2 | Approve | 19,880,241 | 20 days agoSun, 26 Jul 2026 12:44:28 UTC | 0xe390…b726 | IN | Squeez Cat | $0.000 ETH | 0.00000248 | |
| 0xeb5b82…676e67 | Approve | 17,139,713 | 23 days agoThu, 23 Jul 2026 08:21:27 UTC | 0x152b…cca7 | IN | Squeez Cat | $0.000 ETH | 0.00000481 | |
| 0xeb3d48…af5bd5 | Approve | 16,181,865 | 24 days agoWed, 22 Jul 2026 05:41:39 UTC | 0xe390…b726 | IN | Squeez Cat | $0.000 ETH | 0.00000349 | |
| 0xfd7bc7…7f8d6e | Approve | 15,100,095 | 26 days agoMon, 20 Jul 2026 23:34:38 UTC | 0x99bd…9999 | IN | Squeez Cat | $0.000 ETH | 0.00000267 | |
| 0x4ccc3a…4072b2 | Approve | 9,860,331 | 32 days agoTue, 14 Jul 2026 21:40:20 UTC | 0x0885…0836 | IN | Squeez Cat | $0.000 ETH | 0.00000246 | |
| 0x47e358…be29af | Approve | 9,371,627 | 32 days agoTue, 14 Jul 2026 08:05:10 UTC | 0x3823…8c0d | IN | Squeez Cat | $0.000 ETH | 0.00000215 | |
| 0x41e29f…94e545 | Approve | 9,371,097 | 32 days agoTue, 14 Jul 2026 08:04:17 UTC | 0xc7fc…9bb7 | IN | Squeez Cat | $0.000 ETH | 0.00000215 | |
| 0x602bdc…30b13d | Approve | 9,370,476 | 32 days agoTue, 14 Jul 2026 08:03:15 UTC | 0xea57…4f8f | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x8a36db…401268 | Approve | 9,370,476 | 32 days agoTue, 14 Jul 2026 08:03:15 UTC | 0x4e08…b44b | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x58f5f1…4af9f7 | Approve | 9,370,476 | 32 days agoTue, 14 Jul 2026 08:03:15 UTC | 0xcad2…288d | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x7f450d…9d72d1 | Approve | 9,370,475 | 32 days agoTue, 14 Jul 2026 08:03:15 UTC | 0x0bc6…e2f6 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x6af0d0…813c5e | Approve | 9,370,409 | 32 days agoTue, 14 Jul 2026 08:03:09 UTC | 0x26d4…ec8c | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x303107…82f7b1 | Approve | 9,370,243 | 32 days agoTue, 14 Jul 2026 08:02:52 UTC | 0x152b…cca7 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x2fba48…3b882a | Approve | 9,370,147 | 32 days agoTue, 14 Jul 2026 08:02:42 UTC | 0x309f…1968 | IN | Squeez Cat | $0.000 ETH | 0.00000215 | |
| 0x3e6db9…136b71 | Approve | 9,369,975 | 32 days agoTue, 14 Jul 2026 08:02:25 UTC | 0x5800…dc16 | IN | Squeez Cat | $0.000 ETH | 0.00000213 | |
| 0xa7a8fc…cdac95 | Approve | 9,369,695 | 32 days agoTue, 14 Jul 2026 08:01:57 UTC | 0xff1c…ac32 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x41575f…14a8e5 | Approve | 9,369,684 | 32 days agoTue, 14 Jul 2026 08:01:56 UTC | 0x7dcf…aeef | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0xad6a57…6ffe63 | Approve | 9,369,684 | 32 days agoTue, 14 Jul 2026 08:01:56 UTC | 0x3811…cfe7 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x0664ba…b76e68 | Approve | 9,369,684 | 32 days agoTue, 14 Jul 2026 08:01:56 UTC | 0xec6f…2458 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x2a97ae…5fc8e9 | Approve | 9,369,684 | 32 days agoTue, 14 Jul 2026 08:01:56 UTC | 0xa730…c393 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0xf13b31…9e4821 | Approve | 9,369,684 | 32 days agoTue, 14 Jul 2026 08:01:56 UTC | 0x64f3…efd3 | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x903388…dea23a | Approve | 9,369,653 | 32 days agoTue, 14 Jul 2026 08:01:53 UTC | 0x2bc8…170e | IN | Squeez Cat | $0.000 ETH | 0.00000214 | |
| 0x1c1d43…ea1c53 | Approve | 9,369,590 | 32 days agoTue, 14 Jul 2026 08:01:46 UTC | 0x887b…54ce | IN | Squeez Cat | $0.000 ETH | 0.00000216 |