ETH Price: $3,899.04 (+4.87%)

Token

Compound (COMP)
 

Overview

Max Total Supply

10,000,000 COMP

Holders

219,458 ( -0.055%)

Market

Price

$112.27 @ 0.028794 ETH (+13.84%)

Onchain Market Cap

$1,122,700,000.00

Circulating Supply Market Cap

$993,721,830.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.007013317282888936 COMP

Value
$0.79 ( ~0.000202614024381989 Eth) [0.0000%]
0xdd017da9adce6b65b33bfc6734c82fbe62c810f9
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OVERVIEW

Compound governance token

Market

Volume (24H):$1,152,772,835.00
Market Capitalization:$993,721,830.00
Circulating Supply:8,847,875.00 COMP
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Binance
COMP-USDT$112.26
0.0291121 Eth
$172,883,376.00
1,425,443.010 COMP
20.5696%
2
Icrypex
COMP-USDT$112.13
0.0289764 Eth
$102,116,111.00
910,673.498 COMP
13.1413%
3
Websea
COMP-USDT$110.78
0.0287068 Eth
$92,986,890.00
0.000 COMP
0.0000%
4
P2B
COMP-USDT$112.88
0.0290964 Eth
$50,958,290.00
451,432.900 COMP
6.5143%
5
WhiteBIT
COMP-USDT$112.78
0.0291103 Eth
$44,276,096.00
392,591.818 COMP
5.6652%
6
Ourbit
COMP-USDT$112.04
0.0289882 Eth
$41,658,248.00
345,338.173 COMP
4.9833%
7
Coinbase Exchange
COMP-USD$112.94
0.0291116 Eth
$38,914,239.00
344,556.744 COMP
4.9721%
8
OKX
COMP-USDT$112.97
0.0291182 Eth
$27,278,239.00
226,556.628 COMP
3.2693%
9
Toobit
COMP-USDT$112.24
0.0290207 Eth
$26,625,603.00
220,369.678 COMP
3.1800%
10
BYDFi
COMP-USDT$111.79
0.0289619 Eth
$23,888,518.00
213,695.495 COMP
3.0837%
11
Bitunix
COMP-USDT$112.93
0.0290982 Eth
$19,089,676.00
169,099.950 COMP
2.4402%
12
Uniswap V3 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$111.25
0.0286750 Eth
$16,936,050.00
139,403.508 0XC00E94CB662C3520282E6F5717214004A7F26888
2.0116%
13
DigiFinex
COMP-USDT$112.98
0.0291208 Eth
$14,883,753.00
131,742.993 COMP
1.9011%
14
Biconomy.com
COMP-USDT$111.51
0.0289021 Eth
$14,645,072.00
120,403.090 COMP
1.7375%
15
Binance
COMP-TRY$112.80
0.0290761 Eth
$13,408,111.00
107,292.104 COMP
1.5483%
16
Currency.com
COMP-USD$111.51
0.0288968 Eth
$12,645,200.00
113,404.776 COMP
1.6365%
17
Bitrue
COMP-USDT$111.36
0.0288632 Eth
$11,667,894.00
104,779.580 COMP
1.5120%
18
Bybit
COMP-USDT$113.06
0.0291414 Eth
$11,144,377.00
93,729.922 COMP
1.3526%
19
Gate.io
COMP-USDT$112.12
0.0289422 Eth
$10,830,615.00
85,495.919 COMP
1.2337%
20
Uniswap V3 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$111.25
0.0286750 Eth
$9,152,713.00
74,907.169 0XC00E94CB662C3520282E6F5717214004A7F26888
1.0809%
21
Bithumb
COMP-KRW$112.03
0.0288761 Eth
$8,968,031.00
80,052.646 COMP
1.1552%
22
KuCoin
COMP-USDT$112.78
0.0290706 Eth
$8,087,869.00
71,713.006 COMP
1.0348%
23
Binance
COMP-BTC$111.92
0.0290035 Eth
$7,330,582.00
57,604.239 COMP
0.8312%
24
Hotcoin
COMP-USDT$112.90
0.0291016 Eth
$6,836,197.00
60,550.242 COMP
0.8738%
25
FameEX
COMP-USDT$111.71
0.0289693 Eth
$6,777,831.00
55,862.955 COMP
0.8061%
26
PointPay
COMP-USDT$112.06
0.0290033 Eth
$6,712,867.00
55,214.816 COMP
0.7968%
27
Phemex
COMP-USDT$112.43
0.0290534 Eth
$6,162,374.00
54,810.488 COMP
0.7909%
28
HTX
COMP-USDT$112.78
0.0290595 Eth
$6,150,082.00
50,884.514 COMP
0.7343%
29
MEXC
COMP-USDT$112.67
0.0290849 Eth
$5,165,494.00
45,845.799 COMP
0.6616%
30
Bitvavo
COMP-EUR$111.72
0.0288404 Eth
$5,048,633.00
45,188.503 COMP
0.6521%
31
Pionex
COMP-USDT$112.31
0.0290388 Eth
$4,995,258.00
41,245.385 COMP
0.5952%
32
Kraken
COMP-USD$112.80
0.0290755 Eth
$4,855,153.00
43,042.136 COMP
0.6211%
33
BTSE
COMP-USDT$112.49
0.0290694 Eth
$4,840,877.00
43,032.859 COMP
0.6210%
34
CoinW
COMP-USDT$115.36
0.0298303 Eth
$4,265,248.00
36,973.041 COMP
0.5335%
35
Deepcoin
COMP-USDT$111.97
0.0289800 Eth
$4,094,973.00
38,835.894 COMP
0.5604%
36
Dex-Trade
COMP-USDT$112.80
0.0291180 Eth
$3,900,751.00
34,581.443 COMP
0.4990%
37
bitcastle
COMP-USDT$112.53
0.0290457 Eth
$3,367,476.00
28,820.366 COMP
0.4159%
38
LATOKEN
COMP-BTC$111.92
0.0290019 Eth
$2,895,479.00
25,871.923 COMP
0.3733%
39
CoinEx
COMP-USDT$113.06
0.0291317 Eth
$2,842,699.00
23,670.245 COMP
0.3416%
40
BitDelta
COMP-USDT$111.73
0.0289179 Eth
$2,725,163.00
22,871.716 COMP
0.3300%
41
Hibt
COMP-USDT$112.24
0.0290054 Eth
$2,719,384.00
22,617.731 COMP
0.3264%
42
EarnBIT
COMP-USDT$112.53
0.0290051 Eth
$2,638,301.00
21,852.933 COMP
0.3153%
43
BingX
COMP-USDT$112.82
0.0290809 Eth
$2,531,974.00
21,230.677 COMP
0.3064%
44
Azbit
COMP-USDT$111.79
0.0289238 Eth
$2,254,985.00
19,734.390 COMP
0.2848%
45
BVOX
COMP-USDT$115.13
0.0297780 Eth
$1,846,138.00
15,811.361 COMP
0.2282%
46
Upbit
COMP-BTC$111.35
0.0287028 Eth
$1,756,949.00
15,778.026 COMP
0.2277%
47
Bitget
COMP-USDT$113.08
0.0291466 Eth
$1,659,931.00
14,128.954 COMP
0.2039%
48
Trubit
COMP-USDT$112.18
0.0290053 Eth
$1,586,810.00
13,240.156 COMP
0.1911%
49
WEEX
COMP-USDT$115.13
0.0297497 Eth
$1,500,671.00
13,034.778 COMP
0.1881%
50
LBank
COMP-USDT$112.33
0.0291151 Eth
$1,442,545.00
12,842.286 COMP
0.1853%
51
Kraken
COMP-EUR$111.20
0.0286622 Eth
$1,292,229.00
11,621.092 COMP
0.1677%
52
Coinbase Exchange
COMP-BTC$112.07
0.0288864 Eth
$1,216,128.00
10,851.827 COMP
0.1566%
53
HitBTC
COMP-USDT$112.27
0.0290132 Eth
$1,203,675.00
10,156.674 COMP
0.1466%
54
Bit2Me
COMP-EUR$111.23
0.0287898 Eth
$1,197,773.00
11,388.671 COMP
0.1643%
55
BitMart
COMP-USDT$112.11
0.0289699 Eth
$1,150,508.00
10,262.546 COMP
0.1481%
56
FMFW.io
COMP-USDT$112.18
0.0290047 Eth
$1,138,420.00
10,148.158 COMP
0.1464%
57
LATOKEN
COMP-USDT$112.15
0.0290628 Eth
$887,677.00
7,915.044 COMP
0.1142%
58
Bitso
COMP-USD$114.85
0.0297020 Eth
$838,924.00
7,304.583 COMP
0.1054%
59
Nonkyc.io
COMP-USDT$112.01
0.0289445 Eth
$837,620.00
7,143.936 COMP
0.1031%
60
QMall
COMP-USDT$111.74
0.0289209 Eth
$805,946.00
6,624.669 COMP
0.0956%
61
P2B
COMP-USD$114.86
0.0296727 Eth
$797,883.00
6,946.566 COMP
0.1002%
62
Bitkub
COMP-THB$114.42
0.0296234 Eth
$796,400.00
6,960.242 COMP
0.1004%
63
Crypto.com Exchange
COMP-USD$111.45
0.0287272 Eth
$715,816.00
6,422.810 COMP
0.0927%
64
Kraken
COMP-XBT$112.38
0.0289659 Eth
$569,083.00
5,064.134 COMP
0.0731%
65
Bitfinex
COMP-USD$111.49
0.0287378 Eth
$550,930.00
4,941.518 COMP
0.0713%
66
BloFin
COMP-USDT$112.27
0.0290131 Eth
$497,269.00
4,062.580 COMP
0.0586%
67
Gemini
COMP-USD$111.97
0.0288508 Eth
$387,919.00
3,464.493 COMP
0.0500%
68
Crypto.com Exchange
COMP-USDT$111.52
0.0287450 Eth
$381,269.00
3,418.900 COMP
0.0493%
69
KickEX
COMP-USDT$112.46
0.0290777 Eth
$344,998.00
3,067.714 COMP
0.0443%
70
Bitazza
COMP-USDT$115.18
0.0297821 Eth
$343,993.00
2,968.065 COMP
0.0428%
71
TokoCrypto
COMP-USDT$111.51
0.0288935 Eth
$291,047.00
2,610.034 COMP
0.0377%
72
tanX
COMP-USDT$111.46
0.0288493 Eth
$267,223.00
2,344.714 COMP
0.0338%
73
Bitstamp
COMP-USD$114.50
0.0295546 Eth
$234,573.00
2,048.676 COMP
0.0296%
74
Uniswap V3 (Arbitrum One)
0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$110.19
0.0285103 Eth
$224,618.00
1,966.495 0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE
0.0284%
75
HashKey Global
COMP-USDT$112.63
0.0290708 Eth
$214,244.00
1,747.311 COMP
0.0252%
76
Tokenize
COMP-SGD$112.55
0.0290534 Eth
$201,419.00
1,789.614 COMP
0.0258%
77
CoinCatch
COMP-USDT$112.03
0.0289956 Eth
$196,243.00
1,674.496 COMP
0.0242%
78
Binance US
COMP-USDT$110.18
0.0283995 Eth
$193,753.00
1,758.555 COMP
0.0254%
79
OKX
COMP-USDC$112.60
0.0290232 Eth
$186,622.00
1,534.074 COMP
0.0221%
80
Bit2Me
COMP-USDC$112.45
0.0291395 Eth
$182,982.00
1,506.780 COMP
0.0217%
81
CEX.IO
COMP-USD$112.64
0.0290769 Eth
$175,937.00
1,348.380 COMP
0.0195%
82
WOO X
COMP-USDT$112.72
0.0290948 Eth
$164,367.00
1,458.201 COMP
0.0210%
83
Foxbit
COMP-BRL$110.72
0.0285791 Eth
$160,790.00
1,309.884 COMP
0.0189%
84
PancakeSwap V1 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$112.19
0.0289607 Eth
$159,442.00
1,317.732 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0190%
85
Dex-Trade
COMP-BTC$115.55
0.0298472 Eth
$155,062.00
1,341.925 COMP
0.0194%
86
Globe
COMP-USDT$115.38
0.0298378 Eth
$122,000.00
1,048.019 COMP
0.0151%
87
CoinDCX
COMP-INR$112.63
0.0290716 Eth
$117,964.00
0.000 COMP
0.0000%
88
DeGate
0XC00E94CB662C3520282E6F5717214004A7F26888-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$112.53
0.0290477 Eth
$91,297.00
784.214 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0113%
89
PancakeSwap (v2)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$112.14
0.0289955 Eth
$85,667.00
704.007 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0102%
90
ApeSwap
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$112.02
0.0289951 Eth
$71,005.00
608.107 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0088%
91
DeFi Swap
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$113.35
0.0292179 Eth
$62,061.00
507.796 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0073%
92
Azbit
COMP-BTC$111.37
0.0288270 Eth
$47,126.00
393.138 COMP
0.0057%
93
Nonkyc.io
COMP-BTC$114.55
0.0296342 Eth
$37,961.00
307.565 COMP
0.0044%
94
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$115.23
0.0298575 Eth
$36,372.00
307.348 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0044%
95
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$115.25
0.0298190 Eth
$30,892.00
253.051 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0037%
96
Mercado Bitcoin
COMP-BRL$109.75
0.0283311 Eth
$30,837.00
280.977 COMP
0.0041%
97
PancakeSwap V3 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$110.74
0.0285838 Eth
$19,847.05
163.557 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0024%
98
Uniswap V3 (Arbitrum One)
0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE-0X912CE59144191C1204E64559FE8253A0E49E6548$110.06
0.0285145 Eth
$13,614.27
115.117 0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE
0.0017%
99
Sushiswap (Polygon POS)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$113.21
0.0293527 Eth
$1,375.78
11.658 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0002%
100
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$115.30
0.0298626 Eth
$827.86
8.728 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0001%

Contract Source Code Verified (Exact Match)

Contract Name:
Comp

Compiler Version
v0.5.16+commit.9c3226ce

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Audited
/**
 *Submitted for verification at Etherscan.io on 2020-03-04
*/

pragma solidity ^0.5.16;
pragma experimental ABIEncoderV2;

contract Comp {
    /// @notice EIP-20 token name for this token
    string public constant name = "Compound";

    /// @notice EIP-20 token symbol for this token
    string public constant symbol = "COMP";

    /// @notice EIP-20 token decimals for this token
    uint8 public constant decimals = 18;

    /// @notice Total number of tokens in circulation
    uint public constant totalSupply = 10000000e18; // 10 million Comp

    /// @notice Allowance amounts on behalf of others
    mapping (address => mapping (address => uint96)) internal allowances;

    /// @notice Official record of token balances for each account
    mapping (address => uint96) internal balances;

    /// @notice A record of each accounts delegate
    mapping (address => address) public delegates;

    /// @notice A checkpoint for marking number of votes from a given block
    struct Checkpoint {
        uint32 fromBlock;
        uint96 votes;
    }

    /// @notice A record of votes checkpoints for each account, by index
    mapping (address => mapping (uint32 => Checkpoint)) public checkpoints;

    /// @notice The number of checkpoints for each account
    mapping (address => uint32) public numCheckpoints;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)");

    /// @notice The EIP-712 typehash for the delegation struct used by the contract
    bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    /// @notice A record of states for signing / validating signatures
    mapping (address => uint) public nonces;

    /// @notice An event thats emitted when an account changes its delegate
    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);

    /// @notice An event thats emitted when a delegate account's vote balance changes
    event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);

    /// @notice The standard EIP-20 transfer event
    event Transfer(address indexed from, address indexed to, uint256 amount);

    /// @notice The standard EIP-20 approval event
    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /**
     * @notice Construct a new Comp token
     * @param account The initial account to grant all the tokens
     */
    constructor(address account) public {
        balances[account] = uint96(totalSupply);
        emit Transfer(address(0), account, totalSupply);
    }

    /**
     * @notice Get the number of tokens `spender` is approved to spend on behalf of `account`
     * @param account The address of the account holding the funds
     * @param spender The address of the account spending the funds
     * @return The number of tokens approved
     */
    function allowance(address account, address spender) external view returns (uint) {
        return allowances[account][spender];
    }

    /**
     * @notice Approve `spender` to transfer up to `amount` from `src`
     * @dev This will overwrite the approval amount for `spender`
     *  and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)
     * @param spender The address of the account which may transfer tokens
     * @param rawAmount The number of tokens that are approved (2^256-1 means infinite)
     * @return Whether or not the approval succeeded
     */
    function approve(address spender, uint rawAmount) external returns (bool) {
        uint96 amount;
        if (rawAmount == uint(-1)) {
            amount = uint96(-1);
        } else {
            amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits");
        }

        allowances[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);
        return true;
    }

    /**
     * @notice Get the number of tokens held by the `account`
     * @param account The address of the account to get the balance of
     * @return The number of tokens held
     */
    function balanceOf(address account) external view returns (uint) {
        return balances[account];
    }

    /**
     * @notice Transfer `amount` tokens from `msg.sender` to `dst`
     * @param dst The address of the destination account
     * @param rawAmount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transfer(address dst, uint rawAmount) external returns (bool) {
        uint96 amount = safe96(rawAmount, "Comp::transfer: amount exceeds 96 bits");
        _transferTokens(msg.sender, dst, amount);
        return true;
    }

    /**
     * @notice Transfer `amount` tokens from `src` to `dst`
     * @param src The address of the source account
     * @param dst The address of the destination account
     * @param rawAmount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transferFrom(address src, address dst, uint rawAmount) external returns (bool) {
        address spender = msg.sender;
        uint96 spenderAllowance = allowances[src][spender];
        uint96 amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits");

        if (spender != src && spenderAllowance != uint96(-1)) {
            uint96 newAllowance = sub96(spenderAllowance, amount, "Comp::transferFrom: transfer amount exceeds spender allowance");
            allowances[src][spender] = newAllowance;

            emit Approval(src, spender, newAllowance);
        }

        _transferTokens(src, dst, amount);
        return true;
    }

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegatee The address to delegate votes to
     */
    function delegate(address delegatee) public {
        return _delegate(msg.sender, delegatee);
    }

    /**
     * @notice Delegates votes from signatory to `delegatee`
     * @param delegatee The address to delegate votes to
     * @param nonce The contract state required to match the signature
     * @param expiry The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) public {
        bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this)));
        bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry));
        bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
        address signatory = ecrecover(digest, v, r, s);
        require(signatory != address(0), "Comp::delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "Comp::delegateBySig: invalid nonce");
        require(now <= expiry, "Comp::delegateBySig: signature expired");
        return _delegate(signatory, delegatee);
    }

    /**
     * @notice Gets the current votes balance for `account`
     * @param account The address to get votes balance
     * @return The number of current votes for `account`
     */
    function getCurrentVotes(address account) external view returns (uint96) {
        uint32 nCheckpoints = numCheckpoints[account];
        return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
    }

    /**
     * @notice Determine the prior number of votes for an account as of a block number
     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
     * @param account The address of the account to check
     * @param blockNumber The block number to get the vote balance at
     * @return The number of votes the account had as of the given block
     */
    function getPriorVotes(address account, uint blockNumber) public view returns (uint96) {
        require(blockNumber < block.number, "Comp::getPriorVotes: not yet determined");

        uint32 nCheckpoints = numCheckpoints[account];
        if (nCheckpoints == 0) {
            return 0;
        }

        // First check most recent balance
        if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
            return checkpoints[account][nCheckpoints - 1].votes;
        }

        // Next check implicit zero balance
        if (checkpoints[account][0].fromBlock > blockNumber) {
            return 0;
        }

        uint32 lower = 0;
        uint32 upper = nCheckpoints - 1;
        while (upper > lower) {
            uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
            Checkpoint memory cp = checkpoints[account][center];
            if (cp.fromBlock == blockNumber) {
                return cp.votes;
            } else if (cp.fromBlock < blockNumber) {
                lower = center;
            } else {
                upper = center - 1;
            }
        }
        return checkpoints[account][lower].votes;
    }

    function _delegate(address delegator, address delegatee) internal {
        address currentDelegate = delegates[delegator];
        uint96 delegatorBalance = balances[delegator];
        delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveDelegates(currentDelegate, delegatee, delegatorBalance);
    }

    function _transferTokens(address src, address dst, uint96 amount) internal {
        require(src != address(0), "Comp::_transferTokens: cannot transfer from the zero address");
        require(dst != address(0), "Comp::_transferTokens: cannot transfer to the zero address");

        balances[src] = sub96(balances[src], amount, "Comp::_transferTokens: transfer amount exceeds balance");
        balances[dst] = add96(balances[dst], amount, "Comp::_transferTokens: transfer amount overflows");
        emit Transfer(src, dst, amount);

        _moveDelegates(delegates[src], delegates[dst], amount);
    }

    function _moveDelegates(address srcRep, address dstRep, uint96 amount) internal {
        if (srcRep != dstRep && amount > 0) {
            if (srcRep != address(0)) {
                uint32 srcRepNum = numCheckpoints[srcRep];
                uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
                uint96 srcRepNew = sub96(srcRepOld, amount, "Comp::_moveVotes: vote amount underflows");
                _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
            }

            if (dstRep != address(0)) {
                uint32 dstRepNum = numCheckpoints[dstRep];
                uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
                uint96 dstRepNew = add96(dstRepOld, amount, "Comp::_moveVotes: vote amount overflows");
                _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
            }
        }
    }

    function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal {
      uint32 blockNumber = safe32(block.number, "Comp::_writeCheckpoint: block number exceeds 32 bits");

      if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
          checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
      } else {
          checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
          numCheckpoints[delegatee] = nCheckpoints + 1;
      }

      emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
    }

    function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

    function safe96(uint n, string memory errorMessage) internal pure returns (uint96) {
        require(n < 2**96, errorMessage);
        return uint96(n);
    }

    function add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) {
        uint96 c = a + b;
        require(c >= a, errorMessage);
        return c;
    }

    function sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) {
        require(b <= a, errorMessage);
        return a - b;
    }

    function getChainId() internal pure returns (uint) {
        uint256 chainId;
        assembly { chainId := chainid() }
        return chainId;
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"account","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":true,"inputs":[],"name":"DELEGATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint32","name":"","type":"uint32"}],"name":"checkpoints","outputs":[{"internalType":"uint32","name":"fromBlock","type":"uint32"},{"internalType":"uint96","name":"votes","type":"uint96"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getCurrentVotes","outputs":[{"internalType":"uint96","name":"","type":"uint96"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPriorVotes","outputs":[{"internalType":"uint96","name":"","type":"uint96"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"src","type":"address"},{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000001449e0687810bddd356ae6dd87789244a46d9adb

-----Decoded View---------------
Arg [0] : account (address): 0x1449e0687810BdDD356ae6Dd87789244A46d9AdB

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000001449e0687810bddd356ae6dd87789244a46d9adb


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