ETH Price: $3,341.40 (-0.93%)

Token

Compound (COMP)
 

Overview

Max Total Supply

10,000,000 COMP

Holders

219,335 ( 0.001%)

Market

Price

$80.71 @ 0.024155 ETH (-0.51%)

Onchain Market Cap

$807,100,000.00

Circulating Supply Market Cap

$715,511,925.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.042487384920089643 COMP

Value
$3.43 ( ~0.00102651541314447 Eth) [0.0000%]
0x2dc06d384e360cebc2cbdc3056e7b34b456b2523
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OVERVIEW

Compound governance token

Market

Volume (24H):$67,861,729.00
Market Capitalization:$715,511,925.00
Circulating Supply:8,865,199.00 COMP
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
BTCC
COMP-USDT$80.56
0.0241667 Eth
$13,485,714.00
168,942.964 COMP
24.8480%
2
WhiteBIT
COMP-USDT$80.91
0.0242727 Eth
$8,020,905.00
99,137.248 COMP
14.5810%
3
Binance
COMP-USDT$80.95
0.0242524 Eth
$5,118,751.00
64,713.359 COMP
9.5180%
4
P2B
COMP-USDT$80.86
0.0242359 Eth
$2,591,727.00
32,051.241 COMP
4.7141%
5
HTX
COMP-USDT$80.83
0.0242177 Eth
$1,856,691.00
23,275.338 COMP
3.4233%
6
Ourbit
COMP-USDT$80.68
0.0241821 Eth
$1,482,304.00
18,730.472 COMP
2.7549%
7
WEEX
COMP-USDT$80.95
0.0242536 Eth
$1,315,564.00
16,506.980 COMP
2.4278%
8
Coinbase Exchange
COMP-USD$80.83
0.0242321 Eth
$1,312,573.00
16,238.690 COMP
2.3884%
9
OKX
COMP-USDT$81.10
0.0242985 Eth
$1,296,215.00
16,262.878 COMP
2.3919%
10
Biconomy.com
COMP-USDT$80.85
0.0242564 Eth
$1,165,919.00
14,638.260 COMP
2.1530%
11
Hotcoin
COMP-USDT$80.64
0.0242000 Eth
$1,160,052.00
14,385.780 COMP
2.1159%
12
Trubit
COMP-USDT$81.05
0.0242911 Eth
$1,089,295.00
13,673.337 COMP
2.0111%
13
Toobit
COMP-USDT$80.82
0.0242203 Eth
$1,048,681.00
13,221.620 COMP
1.9446%
14
BVOX
COMP-USDT$80.83
0.0242270 Eth
$956,844.00
11,988.390 COMP
1.7632%
15
Icrypex
COMP-USDT$80.50
0.0241539 Eth
$936,796.00
11,636.800 COMP
1.7115%
16
BYDFi
COMP-USDT$80.95
0.0242592 Eth
$876,946.00
10,833.571 COMP
1.5934%
17
Azbit
COMP-USDT$80.72
0.0241942 Eth
$700,393.00
8,824.571 COMP
1.2979%
18
Bitrue
COMP-USDT$80.76
0.0241967 Eth
$689,668.00
8,540.130 COMP
1.2561%
19
Gate.io
COMP-USDT$80.68
0.0241764 Eth
$634,818.00
7,985.638 COMP
1.1745%
20
LBank
COMP-USDT$80.73
0.0241968 Eth
$624,847.00
7,739.788 COMP
1.1384%
21
Bybit
COMP-USDT$80.76
0.0241955 Eth
$613,380.00
7,753.615 COMP
1.1404%
22
DigiFinex
COMP-USDT$81.17
0.0243182 Eth
$511,967.00
6,307.597 COMP
0.9277%
23
BitDelta
COMP-USDT$80.67
0.0242046 Eth
$500,065.00
6,268.538 COMP
0.9220%
24
Deepcoin
COMP-USDT$80.89
0.0242547 Eth
$481,045.00
6,169.459 COMP
0.9074%
25
Phemex
COMP-USDT$80.84
0.0242413 Eth
$440,742.00
5,452.277 COMP
0.8019%
26
Bitunix
COMP-USDT$80.79
0.0242394 Eth
$431,993.00
5,347.482 COMP
0.7865%
27
MEXC
COMP-USDT$80.90
0.0242451 Eth
$368,499.00
4,554.996 COMP
0.6699%
28
Bitazza
COMP-USDT$80.54
0.0241403 Eth
$288,502.00
3,612.386 COMP
0.5313%
29
KickEX
COMP-USDT$80.74
0.0242275 Eth
$245,451.00
3,040.180 COMP
0.4471%
30
Koinpark
COMP-INR$81.23
0.0243532 Eth
$225,035.00
2,770.214 COMP
0.4074%
31
FameEX
COMP-USDT$80.63
0.0241966 Eth
$201,643.00
2,548.777 COMP
0.3749%
32
PointPay
COMP-USDT$80.79
0.0242385 Eth
$200,314.00
2,534.736 COMP
0.3728%
33
BTSE
COMP-USDT$80.85
0.0242219 Eth
$189,235.00
2,340.705 COMP
0.3443%
34
Dex-Trade
COMP-USDT$80.78
0.0242422 Eth
$174,659.00
2,162.046 COMP
0.3180%
35
CoinW
COMP-USDT$80.89
0.0242408 Eth
$169,127.00
2,090.790 COMP
0.3075%
36
tanX
COMP-USDT$80.83
0.0242260 Eth
$159,114.00
1,990.555 COMP
0.2928%
37
CoinTR
COMP-TRY$81.15
0.0243273 Eth
$156,253.00
1,938.805 COMP
0.2852%
38
Nonkyc.io
COMP-USDT$80.57
0.0241484 Eth
$149,369.00
1,876.238 COMP
0.2760%
39
Pionex
COMP-USDT$80.91
0.0242572 Eth
$147,869.00
1,866.987 COMP
0.2746%
40
EarnBIT
COMP-USDT$80.83
0.0242198 Eth
$139,633.00
1,749.152 COMP
0.2573%
41
AscendEX (BitMax)
COMP-USDT$80.61
0.0241554 Eth
$137,750.00
1,708.937 COMP
0.2513%
42
Hibt
COMP-USDT$80.64
0.0242050 Eth
$128,394.00
1,611.379 COMP
0.2370%
43
Bitget
COMP-USDT$80.91
0.0242452 Eth
$126,804.00
1,592.012 COMP
0.2342%
44
KuCoin
COMP-USDT$80.81
0.0242117 Eth
$126,004.00
1,559.338 COMP
0.2293%
45
Kraken
COMP-USD$80.82
0.0242158 Eth
$125,332.00
1,550.753 COMP
0.2281%
46
DeGate
0XC00E94CB662C3520282E6F5717214004A7F26888-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$80.88
0.0242409 Eth
$115,962.00
1,452.256 0XC00E94CB662C3520282E6F5717214004A7F26888
0.2136%
47
Tokenize
COMP-SGD$80.77
0.0242008 Eth
$115,875.00
1,434.639 COMP
0.2110%
48
BitMart
COMP-USDT$80.77
0.0242060 Eth
$113,926.00
1,410.426 COMP
0.2074%
49
Binance
COMP-BTC$80.62
0.0241553 Eth
$113,696.00
1,427.464 COMP
0.2100%
50
CoinEx
COMP-USDT$80.89
0.0242410 Eth
$105,662.00
1,330.713 COMP
0.1957%
51
Binance
COMP-TRY$80.72
0.0242099 Eth
$105,157.00
1,312.041 COMP
0.1930%
52
BingX
COMP-USDT$80.82
0.0242201 Eth
$82,389.00
1,038.798 COMP
0.1528%
53
Azbit
COMP-BTC$80.71
0.0241889 Eth
$74,198.00
925.763 COMP
0.1362%
54
Gemini
COMP-USD$81.58
0.0244436 Eth
$73,680.00
903.167 COMP
0.1328%
55
LATOKEN
COMP-BTC$81.00
0.0242754 Eth
$72,282.00
892.412 COMP
0.1313%
56
Bitvavo
COMP-EUR$81.00
0.0243004 Eth
$71,091.00
877.670 COMP
0.1291%
57
Uniswap V3 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$80.65
0.0241730 Eth
$62,505.00
764.559 0XC00E94CB662C3520282E6F5717214004A7F26888
0.1125%
58
Tapbit
COMP-USDT$80.65
0.0241729 Eth
$47,442.00
593.756 COMP
0.0873%
59
LATOKEN
COMP-USDT$80.94
0.0242661 Eth
$46,281.00
571.763 COMP
0.0841%
60
P2B
COMP-USD$80.86
0.0242411 Eth
$43,860.00
542.413 COMP
0.0798%
61
BloFin
COMP-USDT$80.68
0.0241866 Eth
$34,895.00
437.333 COMP
0.0643%
62
Bitfinex
COMP-USD$80.80
0.0242090 Eth
$30,151.00
373.151 COMP
0.0549%
63
Koinpark
COMP-USDT$80.85
0.0242604 Eth
$25,808.00
319.219 COMP
0.0470%
64
QMall
COMP-USDT$80.69
0.0241936 Eth
$24,443.00
309.352 COMP
0.0455%
65
Sushiswap
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$81.23
0.0243358 Eth
$23,386.00
290.234 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0427%
66
Nonkyc.io
COMP-BTC$80.45
0.0241119 Eth
$23,148.00
288.726 COMP
0.0425%
67
Kraken
COMP-EUR$81.02
0.0242754 Eth
$22,028.00
271.884 COMP
0.0400%
68
Bit2Me
COMP-EUR$81.01
0.0243071 Eth
$21,423.00
267.020 COMP
0.0393%
69
Kraken
COMP-XBT$80.91
0.0242426 Eth
$20,754.00
256.512 COMP
0.0377%
70
Coinbase Exchange
COMP-BTC$80.90
0.0242466 Eth
$17,591.55
217.455 COMP
0.0320%
71
Bitso
COMP-USD$81.31
0.0243761 Eth
$17,311.77
212.900 COMP
0.0313%
72
Bitkub
COMP-THB$80.81
0.0242157 Eth
$14,375.98
177.903 COMP
0.0262%
73
HashKey Global
COMP-USDT$80.84
0.0242308 Eth
$14,158.71
177.252 COMP
0.0261%
74
Globe
COMP-USDT$80.70
0.0242195 Eth
$13,289.35
166.000 COMP
0.0244%
75
bitcastle
COMP-USDT$80.84
0.0242263 Eth
$12,205.07
155.006 COMP
0.0228%
76
Upbit
COMP-BTC$81.40
0.0243879 Eth
$11,551.56
141.912 COMP
0.0209%
77
HashKey Exchange
COMP-USD$80.97
0.0242966 Eth
$10,315.15
128.997 COMP
0.0190%
78
Uniswap V2 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$81.24
0.0243500 Eth
$7,346.20
91.123 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0134%
79
Uniswap V3 (Arbitrum One)
0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$79.85
0.0239324 Eth
$6,669.58
84.153 0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE
0.0124%
80
PancakeSwap V1 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$81.14
0.0243184 Eth
$4,625.92
57.718 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0085%
81
Uniswap V3 (Base)
0X9E1028F5F1D5EDE59748FFCEE5532509976840E0-0X4200000000000000000000000000000000000006$79.90
0.0239467 Eth
$4,527.67
57.885 0X9E1028F5F1D5EDE59748FFCEE5532509976840E0
0.0085%
82
Dex-Trade
COMP-BTC$81.19
0.0243329 Eth
$3,950.60
48.660 COMP
0.0072%
83
PancakeSwap (v2)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$81.35
0.0243932 Eth
$2,690.45
33.427 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0049%
84
ApeSwap
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$81.23
0.0243463 Eth
$2,277.13
28.026 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0041%
85
OKX
COMP-USDC$80.78
0.0242028 Eth
$2,212.52
27.610 COMP
0.0041%
86
Bit2Me
COMP-USDC$80.79
0.0242129 Eth
$2,168.50
27.058 COMP
0.0040%
87
Foxbit
COMP-BRL$81.83
0.0245253 Eth
$1,199.62
14.835 COMP
0.0022%
88
WOO X
COMP-USDT$80.77
0.0242051 Eth
$700.02
8.667 COMP
0.0013%
89
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$79.92
0.0239788 Eth
$685.58
9.120 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0013%
90
Bitfinex
COMP-USDT$81.19
0.0243254 Eth
$513.43
6.324 COMP
0.0009%
91
CEX.IO
COMP-USD$80.70
0.0241966 Eth
$426.84
5.288 COMP
0.0008%
92
FMFW.io
COMP-USDT$80.91
0.0242762 Eth
$285.76
3.532 COMP
0.0005%
93
HitBTC
COMP-USDT$80.91
0.0242507 Eth
$281.42
3.532 COMP
0.0005%
94
Coinlist
COMP-USDT$80.64
0.0241686 Eth
$163.46
2.027 COMP
0.0003%
95
TokoCrypto
COMP-BTC$80.55
0.0241672 Eth
$83.97
1.042 COMP
0.0002%
96
TokoCrypto
COMP-USDT$80.89
0.0242548 Eth
$77.27
0.955 COMP
0.0001%
97
CEX.IO
COMP-EUR$81.16
0.0243190 Eth
$20.68
0.255 COMP
0.0000%
98
CEX.IO
COMP-USDT$80.62
0.0241729 Eth
$19.88
0.255 COMP
0.0000%
99
CEX.IO
COMP-USDC$81.05
0.0243166 Eth
$15.22
0.187 COMP
0.0000%
100
Coinmetro
COMP-USDT$80.94
0.0242655 Eth
$5.75
0.071 COMP
0.0000%

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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