hood// SPDX-License-Identifier: MIT
pragma solidity 0.8.28;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
/// @title LinkedInuVesting
/// @notice One per launched token. Holds the reserved slice of supply (default
/// 20%) and releases it to a beneficiary on a fixed schedule:
/// `releasePerPeriod` tokens unlock every `periodSeconds`, until
/// `totalAmount` is fully vested. The default schedule is 1% of total
/// supply per 30 days over 20 months. The beneficiary is fixed at the
/// moment the token is created and can never be changed.
/// @dev Every parameter is IMMUTABLE: once a token launches its schedule is
/// locked forever. No admin, no early release, no rug path — tokens can
/// only leave on schedule, and only ever to the immutable beneficiary.
contract LinkedInuVesting is ReentrancyGuard {
using SafeERC20 for IERC20;
address public immutable token;
address public immutable beneficiary;
/// @notice Total amount to vest (e.g. 20% of supply).
uint256 public immutable totalAmount;
/// @notice Amount unlocked each period (e.g. 1% of supply).
uint256 public immutable releasePerPeriod;
/// @notice Period length in seconds (e.g. 30 days).
uint256 public immutable periodSeconds;
uint256 public immutable startTime;
uint256 public claimed;
event Claimed(address indexed beneficiary, uint256 amount);
error ZeroAddress();
error BadSchedule();
error NothingToClaim();
constructor(
address token_,
address beneficiary_,
uint256 totalAmount_,
uint256 releasePerPeriod_,
uint256 periodSeconds_
) {
if (token_ == address(0) || beneficiary_ == address(0)) revert ZeroAddress();
if (totalAmount_ == 0 || releasePerPeriod_ == 0 || periodSeconds_ == 0) {
revert BadSchedule();
}
token = token_;
beneficiary = beneficiary_;
totalAmount = totalAmount_;
releasePerPeriod = releasePerPeriod_;
periodSeconds = periodSeconds_;
startTime = block.timestamp;
}
/// @notice Cumulative amount unlocked so far, capped at totalAmount. The
/// first period unlocks only after one full `periodSeconds`, so
/// there is no day-zero cliff bypass.
function vested() public view returns (uint256) {
uint256 periods = (block.timestamp - startTime) / periodSeconds;
uint256 amount = periods * releasePerPeriod;
return amount > totalAmount ? totalAmount : amount;
}
/// @notice Unlocked but not-yet-claimed amount.
function claimable() public view returns (uint256) {
return vested() - claimed;
}
/// @notice Timestamp of the next unlock, or 0 once fully vested. UI helper.
function nextUnlockAt() external view returns (uint256) {
if (vested() >= totalAmount) return 0;
uint256 elapsedPeriods = (block.timestamp - startTime) / periodSeconds;
return startTime + (elapsedPeriods + 1) * periodSeconds;
}
/// @notice Total number of periods in the schedule (rounded up). UI helper.
function totalPeriods() external view returns (uint256) {
return (totalAmount + releasePerPeriod - 1) / releasePerPeriod;
}
/// @notice Claim all currently-unlocked tokens. Permissionless, because the
/// funds can only ever go to the immutable beneficiary.
function claim() external nonReentrant returns (uint256 amount) {
amount = claimable();
if (amount == 0) revert NothingToClaim();
claimed += amount;
IERC20(token).safeTransfer(beneficiary, amount);
emit Claimed(beneficiary, amount);
}
}[
{
"type": "constructor",
"inputs": [
{
"name": "token_",
"type": "address",
"internalType": "address"
},
{
"name": "beneficiary_",
"type": "address",
"internalType": "address"
},
{
"name": "totalAmount_",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "releasePerPeriod_",
"type": "uint256",
"internalType": "uint256"
},
{
"name": "periodSeconds_",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "BadSchedule",
"type": "error",
"inputs": []
},
{
"name": "NothingToClaim",
"type": "error",
"inputs": []
},
{
"name": "ReentrancyGuardReentrantCall",
"type": "error",
"inputs": []
},
{
"name": "SafeERC20FailedOperation",
"type": "error",
"inputs": [
{
"name": "token",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ZeroAddress",
"type": "error",
"inputs": []
},
{
"name": "Claimed",
"type": "event",
"inputs": [
{
"name": "beneficiary",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "beneficiary",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "claim",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "amount",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "nonpayable"
},
{
"name": "claimable",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "claimed",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "nextUnlockAt",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "periodSeconds",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "releasePerPeriod",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "startTime",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "token",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "totalAmount",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "totalPeriods",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "vested",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
}
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| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
| LinkedInu (LINKEDINU) | LINKEDINU | 200,000,000 | — | — |
| 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 |
|---|---|---|---|
| no event logs emitted by this address | |||
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| No direct transactions — this address is only ever reached via internal calls (common for a contract only invoked through a router or proxy). View Internal Transactions → | |||||||||
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| 0xfaf6d320…6d0f3a | Transfer | 32,219,682 | 8 days agoSun, 09 Aug 2026 20:22:04 UTC | 0x8abc…5e8e | IN | 0x66dc…4d21 | 200,000,000.000000 LINKEDINU | LinkedInu (LINKEDINU) |
| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| 32,219,682 | 8 days agoSun, 09 Aug 2026 20:22:04 UTC | 0xfaf6d3…6d0f3a | CREATE | createCoin | 0x8abc…5e8e | IN | 0x66dc…4d21 | 0 ETH |