ETH Price: $4,021.71 (-0.20%)

Token

Compound (COMP)
 

Overview

Max Total Supply

10,000,000 COMP

Holders

219,364 ( 0.006%)

Market

Price

$119.45 @ 0.029701 ETH (+1.28%)

Onchain Market Cap

$1,194,500,000.00

Circulating Supply Market Cap

$1,056,757,861.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.007013317282888936 COMP

Value
$0.84 ( ~0.000208866195705306 Eth) [0.0000%]
0xdd017da9adce6b65b33bfc6734c82fbe62c810f9
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OVERVIEW

Compound governance token

Market

Volume (24H):$164,142,988.00
Market Capitalization:$1,056,757,861.00
Circulating Supply:8,847,910.00 COMP
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
BTCC
COMP-USDT$119.01
0.0295785 Eth
$23,115,638.00
195,133.244 COMP
16.7404%
2
Binance
COMP-USDT$119.56
0.0296963 Eth
$19,780,866.00
166,921.897 COMP
14.3202%
3
WhiteBIT
COMP-USDT$119.40
0.0296612 Eth
$12,070,112.00
101,092.252 COMP
8.6727%
4
Websea
COMP-USDT$119.17
0.0296130 Eth
$10,100,735.00
0.000 COMP
0.0000%
5
P2B
COMP-USDT$119.32
0.0296524 Eth
$9,979,611.00
83,640.317 COMP
7.1755%
6
Coinbase Exchange
COMP-USD$119.27
0.0296235 Eth
$7,305,013.00
61,247.699 COMP
5.2544%
7
Icrypex
COMP-USDT$119.42
0.0297269 Eth
$5,671,232.00
47,490.798 COMP
4.0742%
8
Azbit
COMP-USDT$119.23
0.0296189 Eth
$5,324,806.00
45,026.630 COMP
3.8628%
9
Ourbit
COMP-USDT$119.30
0.0296388 Eth
$5,156,173.00
43,485.404 COMP
3.7306%
10
OKX
COMP-USDT$118.92
0.0295584 Eth
$3,683,301.00
31,084.487 COMP
2.6667%
11
Toobit
COMP-USDT$119.22
0.0296189 Eth
$3,650,530.00
30,797.333 COMP
2.6421%
12
BYDFi
COMP-USDT$119.37
0.0296486 Eth
$3,243,961.00
27,175.460 COMP
2.3314%
13
HTX
COMP-USDT$119.03
0.0295783 Eth
$2,789,565.00
23,589.799 COMP
2.0238%
14
Biconomy.com
COMP-USDT$119.37
0.0296538 Eth
$2,491,917.00
21,047.370 COMP
1.8056%
15
Bitunix
COMP-USDT$118.88
0.0295485 Eth
$2,395,285.00
20,144.875 COMP
1.7282%
16
DigiFinex
COMP-USDT$118.92
0.0295551 Eth
$1,870,123.00
15,725.906 COMP
1.3491%
17
Phemex
COMP-USDT$120.24
0.0299035 Eth
$1,832,941.00
15,244.383 COMP
1.3078%
18
Bitrue
COMP-USDT$119.43
0.0296994 Eth
$1,710,896.00
14,325.300 COMP
1.2290%
19
Gate.io
COMP-USDT$118.92
0.0295510 Eth
$1,579,662.00
13,427.860 COMP
1.1520%
20
Kraken
COMP-USD$119.25
0.0296339 Eth
$1,516,597.00
12,717.798 COMP
1.0911%
21
WEEX
COMP-USDT$119.50
0.0297514 Eth
$1,502,361.00
12,572.327 COMP
1.0786%
22
BVOX
COMP-USDT$119.26
0.0296486 Eth
$1,480,297.00
12,515.926 COMP
1.0737%
23
Bybit
COMP-USDT$119.29
0.0296472 Eth
$1,464,686.00
12,332.710 COMP
1.0580%
24
BTSE
COMP-USDT$119.86
0.0298184 Eth
$1,394,761.00
11,636.307 COMP
0.9983%
25
CoinW
COMP-USDT$119.30
0.0296388 Eth
$1,129,010.00
9,463.937 COMP
0.8119%
26
Deepcoin
COMP-USDT$119.51
0.0296876 Eth
$1,055,320.00
9,429.670 COMP
0.8090%
27
LBank
COMP-USDT$119.31
0.0296460 Eth
$958,626.00
8,034.889 COMP
0.6893%
28
Koinpark
COMP-INR$120.19
0.0298862 Eth
$849,986.00
7,072.226 COMP
0.6067%
29
Hotcoin
COMP-USDT$119.27
0.0296361 Eth
$818,640.00
6,863.877 COMP
0.5888%
30
FameEX
COMP-USDT$119.27
0.0296377 Eth
$767,603.00
6,477.751 COMP
0.5557%
31
PointPay
COMP-USDT$119.09
0.0295932 Eth
$729,125.00
6,149.904 COMP
0.5276%
32
Dex-Trade
COMP-USDT$118.93
0.0295576 Eth
$672,764.00
5,656.816 COMP
0.4853%
33
BitDelta
COMP-USDT$119.25
0.0296264 Eth
$635,768.00
5,362.913 COMP
0.4601%
34
Pionex
COMP-USDT$119.17
0.0296112 Eth
$565,428.00
4,771.731 COMP
0.4094%
35
MEXC
COMP-USDT$119.15
0.0296079 Eth
$557,418.00
4,678.276 COMP
0.4013%
36
Binance
COMP-TRY$119.98
0.0298041 Eth
$519,498.00
4,367.186 COMP
0.3747%
37
Trubit
COMP-USDT$120.63
0.0300347 Eth
$482,499.00
4,077.524 COMP
0.3498%
38
Nonkyc.io
COMP-USDT$119.51
0.0296993 Eth
$444,762.00
3,757.726 COMP
0.3224%
39
FMFW.io
COMP-USDT$119.39
0.0296608 Eth
$421,208.00
3,527.861 COMP
0.3027%
40
HitBTC
COMP-USDT$119.39
0.0296608 Eth
$417,514.00
3,527.861 COMP
0.3027%
41
Hibt
COMP-USDT$119.40
0.0296874 Eth
$373,412.00
3,151.551 COMP
0.2704%
42
tanX
COMP-USDT$119.35
0.0296560 Eth
$373,001.00
3,152.646 COMP
0.2705%
43
KickEX
COMP-USDT$119.64
0.0297162 Eth
$360,738.00
3,015.162 COMP
0.2587%
44
EarnBIT
COMP-USDT$119.80
0.0297672 Eth
$360,406.00
3,042.845 COMP
0.2610%
45
CoinEx
COMP-USDT$119.47
0.0296811 Eth
$324,713.00
2,740.240 COMP
0.2351%
46
Bitget
COMP-USDT$118.95
0.0295626 Eth
$322,117.00
2,732.066 COMP
0.2344%
47
Bitazza
COMP-USDT$119.70
0.0297358 Eth
$285,049.00
2,409.321 COMP
0.2067%
48
KuCoin
COMP-USDT$119.17
0.0296130 Eth
$260,866.00
2,189.099 COMP
0.1878%
49
BingX
COMP-USDT$118.92
0.0295551 Eth
$249,207.00
2,104.519 COMP
0.1805%
50
Binance
COMP-BTC$119.43
0.0296971 Eth
$247,045.00
2,073.602 COMP
0.1779%
51
BitMart
COMP-USDT$119.15
0.0296089 Eth
$207,644.00
1,742.726 COMP
0.1495%
52
LATOKEN
COMP-BTC$119.75
0.0297419 Eth
$195,850.00
1,635.438 COMP
0.1403%
53
CoinTR
COMP-TRY$119.66
0.0297336 Eth
$190,803.00
1,604.500 COMP
0.1376%
54
Kraken
COMP-EUR$119.06
0.0295856 Eth
$176,228.00
1,480.220 COMP
0.1270%
55
LATOKEN
COMP-USDT$119.47
0.0297094 Eth
$174,176.00
1,457.883 COMP
0.1251%
56
Bit2Me
COMP-EUR$119.06
0.0295856 Eth
$172,364.00
1,450.720 COMP
0.1245%
57
Bitvavo
COMP-EUR$119.69
0.0297420 Eth
$167,763.00
1,401.645 COMP
0.1202%
58
P2B
COMP-USD$119.11
0.0296024 Eth
$156,806.00
1,316.484 COMP
0.1129%
59
Tokenize
COMP-SGD$119.28
0.0296970 Eth
$153,584.00
1,287.605 COMP
0.1105%
60
Tokenize
COMP-USD$117.51
0.0292048 Eth
$152,384.00
1,296.775 COMP
0.1112%
61
AscendEX (BitMax)
COMP-USDT$119.30
0.0296454 Eth
$143,100.00
1,199.540 COMP
0.1029%
62
Bitso
COMP-USD$119.37
0.0296615 Eth
$131,094.00
1,098.256 COMP
0.0942%
63
Azbit
COMP-BTC$119.51
0.0297490 Eth
$111,376.00
937.331 COMP
0.0804%
64
Koinpark
COMP-USDT$119.21
0.0296230 Eth
$98,312.00
824.728 COMP
0.0708%
65
QMall
COMP-USDT$119.65
0.0297225 Eth
$94,413.00
796.596 COMP
0.0683%
66
Coinbase Exchange
COMP-BTC$118.96
0.0295458 Eth
$93,243.00
783.839 COMP
0.0672%
67
Bitkub
COMP-THB$120.41
0.0299120 Eth
$88,762.00
737.188 COMP
0.0632%
68
BloFin
COMP-USDT$119.14
0.0295990 Eth
$80,656.00
680.778 COMP
0.0584%
69
Sushiswap
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$119.96
0.0297999 Eth
$70,992.00
593.882 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0509%
70
Kraken
COMP-XBT$119.99
0.0298186 Eth
$68,028.00
566.935 COMP
0.0486%
71
bitcastle
COMP-USDT$119.30
0.0296643 Eth
$58,233.00
491.299 COMP
0.0421%
72
WOO X
COMP-USDT$119.13
0.0296029 Eth
$55,756.00
468.027 COMP
0.0402%
73
CoinTR
COMP-USDT$118.77
0.0295211 Eth
$49,297.00
416.603 COMP
0.0357%
74
Crypto.com Exchange
COMP-USD$119.36
0.0296624 Eth
$44,857.00
375.800 COMP
0.0322%
75
Gemini
COMP-USD$119.25
0.0296372 Eth
$38,975.00
326.833 COMP
0.0280%
76
Crypto.com Exchange
COMP-USDT$119.32
0.0296507 Eth
$25,885.00
216.940 COMP
0.0186%
77
DeGate
0XC00E94CB662C3520282E6F5717214004A7F26888-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$119.47
0.0296984 Eth
$21,002.00
177.121 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0152%
78
TokoCrypto
COMP-USDT$119.53
0.0297589 Eth
$20,737.00
173.488 COMP
0.0149%
79
OKX
COMP-USDC$119.09
0.0296009 Eth
$20,252.00
171.260 COMP
0.0147%
80
Bit2Me
COMP-USDC$119.09
0.0296009 Eth
$19,846.55
167.834 COMP
0.0144%
81
PancakeSwap V1 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$119.85
0.0297832 Eth
$18,773.57
158.147 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0136%
82
Bitfinex
COMP-USDT$119.97
0.0298163 Eth
$18,509.26
154.281 COMP
0.0132%
83
PancakeSwap (v2)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$119.99
0.0298185 Eth
$18,055.43
154.968 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0133%
84
Uniswap V2 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$120.01
0.0298213 Eth
$16,259.21
136.314 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0117%
85
HashKey Global
COMP-USDT$119.47
0.0296744 Eth
$16,161.74
136.363 COMP
0.0117%
86
Bitlo
COMP-TRY$120.73
0.0300202 Eth
$15,040.41
126.926 COMP
0.0109%
87
HashKey Exchange
COMP-USD$120.03
0.0298742 Eth
$14,757.15
124.371 COMP
0.0107%
88
Bitfinex
COMP-USD$119.49
0.0296968 Eth
$10,981.03
91.899 COMP
0.0079%
89
Uniswap V3 (Base)
0X9E1028F5F1D5EDE59748FFCEE5532509976840E0-0X4200000000000000000000000000000000000006$109.71
0.0272630 Eth
$10,411.10
92.366 0X9E1028F5F1D5EDE59748FFCEE5532509976840E0
0.0079%
90
ApeSwap
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$120.18
0.0298554 Eth
$9,270.33
76.965 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0066%
91
Globe
COMP-USDT$119.59
0.0297086 Eth
$8,721.48
73.320 COMP
0.0063%
92
Dex-Trade
COMP-BTC$119.88
0.0297939 Eth
$8,400.04
70.070 COMP
0.0060%
93
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$118.46
0.0294316 Eth
$7,468.70
62.920 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0054%
94
CEX.IO
COMP-USD$119.05
0.0295875 Eth
$6,155.66
51.034 COMP
0.0044%
95
PancakeSwap V3 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$120.02
0.0298258 Eth
$5,224.32
45.102 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0039%
96
CEX.IO
COMP-USDT$119.46
0.0296762 Eth
$92.07
0.775 COMP
0.0001%
97
CEX.IO
COMP-USDC$119.64
0.0297497 Eth
$49.22
0.416 COMP
0.0000%
98
CEX.IO
COMP-EUR$119.98
0.0297960 Eth
$42.84
0.364 COMP
0.0000%
99
TokoCrypto
COMP-BTC$119.24
0.0296301 Eth
$26.95
0.226 COMP
0.0000%
100
Coinmetro
COMP-USDT$119.58
0.0297729 Eth
$0.00
0.000 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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