ETH Price: $3,484.35 (+2.04%)
Gas: 3.4 Gwei

Token

Compound (COMP)
 

Overview

Max Total Supply

10,000,000 COMP

Holders

219,390 ( 0.017%)

Market

Price

$86.89 @ 0.024937 ETH (+2.94%)

Onchain Market Cap

$868,900,000.00

Circulating Supply Market Cap

$771,859,326.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.27344302193523024 COMP

Value
$23.76 ( ~0.00681905311597686 Eth) [0.0000%]
0xcfd2eb6152e631f3a94b83dfb8f4d1f2bfd5d219
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OVERVIEW

Compound governance token

Market

Volume (24H):$71,027,646.00
Market Capitalization:$771,859,326.00
Circulating Supply:8,865,202.00 COMP
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
BTCC
COMP-USDT$87.42
0.0250073 Eth
$16,930,918.00
198,200.399 COMP
29.2330%
2
WhiteBIT
COMP-USDT$86.97
0.0249756 Eth
$7,012,850.00
80,638.279 COMP
11.8935%
3
Binance
COMP-USDT$86.78
0.0248773 Eth
$5,144,190.00
59,905.887 COMP
8.8356%
4
P2B
COMP-USDT$86.80
0.0249384 Eth
$2,562,711.00
29,525.304 COMP
4.3548%
5
HTX
COMP-USDT$86.74
0.0249159 Eth
$1,905,190.00
22,375.615 COMP
3.3002%
6
OKX
COMP-USDT$86.73
0.0249103 Eth
$1,747,754.00
20,441.167 COMP
3.0149%
7
Ourbit
COMP-USDT$86.76
0.0248634 Eth
$1,501,327.00
17,490.703 COMP
2.5797%
8
Coinbase Exchange
COMP-USD$86.82
0.0249293 Eth
$1,411,815.00
16,261.403 COMP
2.3984%
9
Biconomy.com
COMP-USDT$87.16
0.0249620 Eth
$1,274,731.00
14,931.640 COMP
2.2023%
10
Icrypex
COMP-USDT$86.61
0.0248759 Eth
$1,099,546.00
12,696.096 COMP
1.8726%
11
Hotcoin
COMP-USDT$86.84
0.0249432 Eth
$1,099,408.00
12,660.230 COMP
1.8673%
12
BVOX
COMP-USDT$86.74
0.0249064 Eth
$1,097,262.00
12,872.612 COMP
1.8986%
13
Toobit
COMP-USDT$87.01
0.0249219 Eth
$1,083,312.00
12,632.388 COMP
1.8632%
14
WEEX
COMP-USDT$87.62
0.0250366 Eth
$1,007,920.00
11,771.590 COMP
1.7362%
15
BYDFi
COMP-USDT$87.51
0.0250109 Eth
$952,849.00
10,888.182 COMP
1.6059%
16
Trubit
COMP-USDT$86.87
0.0249105 Eth
$815,059.00
9,465.272 COMP
1.3961%
17
Azbit
COMP-USDT$86.84
0.0248968 Eth
$697,697.00
8,153.714 COMP
1.2026%
18
Gate.io
COMP-USDT$86.83
0.0249354 Eth
$623,094.00
7,259.784 COMP
1.0708%
19
LBank
COMP-USDT$86.71
0.0248535 Eth
$612,383.00
7,062.711 COMP
1.0417%
20
DigiFinex
COMP-USDT$86.99
0.0249813 Eth
$551,843.00
6,343.984 COMP
0.9357%
21
BitMart
COMP-USDT$86.75
0.0249179 Eth
$525,662.00
6,059.446 COMP
0.8937%
22
Phemex
COMP-USDT$86.80
0.0249333 Eth
$509,705.00
5,871.839 COMP
0.8661%
23
Bitrue
COMP-USDT$86.99
0.0249386 Eth
$475,259.00
5,463.090 COMP
0.8058%
24
Bitunix
COMP-USDT$86.86
0.0249563 Eth
$463,081.00
5,332.228 COMP
0.7865%
25
MEXC
COMP-USDT$86.87
0.0249042 Eth
$457,219.00
5,262.969 COMP
0.7762%
26
Bybit
COMP-USDT$86.74
0.0249119 Eth
$453,064.00
5,275.969 COMP
0.7782%
27
Deepcoin
COMP-USDT$86.92
0.0249678 Eth
$443,159.00
5,143.242 COMP
0.7586%
28
CoinW
COMP-USDT$87.42
0.0250023 Eth
$418,736.00
4,790.202 COMP
0.7065%
29
Uniswap V3 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$86.12
0.0247377 Eth
$405,010.00
4,685.946 0XC00E94CB662C3520282E6F5717214004A7F26888
0.6911%
30
BitDelta
COMP-USDT$87.00
0.0249345 Eth
$309,068.00
3,616.920 COMP
0.5335%
31
Bitazza
COMP-USDT$87.00
0.0249481 Eth
$280,140.00
3,289.217 COMP
0.4851%
32
KickEX
COMP-USDT$86.76
0.0249204 Eth
$257,898.00
2,972.546 COMP
0.4384%
33
Koinpark
COMP-INR$87.26
0.0250628 Eth
$221,933.00
2,543.488 COMP
0.3751%
34
tanX
COMP-USDT$86.75
0.0248777 Eth
$210,026.00
2,458.518 COMP
0.3626%
35
FameEX
COMP-USDT$86.83
0.0249483 Eth
$203,119.00
2,365.302 COMP
0.3489%
36
PointPay
COMP-USDT$86.89
0.0249178 Eth
$195,844.00
2,280.071 COMP
0.3363%
37
Uniswap V3 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$86.12
0.0247377 Eth
$192,692.00
2,203.765 0XC00E94CB662C3520282E6F5717214004A7F26888
0.3250%
38
Binance
COMP-BTC$87.01
0.0249193 Eth
$175,442.00
1,992.977 COMP
0.2939%
39
Hibt
COMP-USDT$86.87
0.0248897 Eth
$174,952.00
2,046.303 COMP
0.3018%
40
Dex-Trade
COMP-USDT$87.02
0.0249899 Eth
$173,949.00
1,999.031 COMP
0.2948%
41
Bitvavo
COMP-EUR$86.83
0.0249469 Eth
$171,563.00
1,975.930 COMP
0.2914%
42
EarnBIT
COMP-USDT$86.59
0.0248787 Eth
$168,377.00
1,970.384 COMP
0.2906%
43
Pionex
COMP-USDT$86.67
0.0248461 Eth
$149,942.00
1,746.262 COMP
0.2576%
44
AscendEX (BitMax)
COMP-USDT$87.06
0.0250014 Eth
$146,875.00
1,687.119 COMP
0.2488%
45
Tokenize
COMP-SGD$86.69
0.0248970 Eth
$140,696.00
1,622.924 COMP
0.2394%
46
CoinTR
COMP-TRY$87.11
0.0250211 Eth
$137,570.00
1,610.112 COMP
0.2375%
47
BingX
COMP-USDT$86.83
0.0249419 Eth
$135,252.00
1,574.186 COMP
0.2322%
48
Bitget
COMP-USDT$86.92
0.0249612 Eth
$111,128.00
1,292.095 COMP
0.1906%
49
Binance
COMP-TRY$87.08
0.0249599 Eth
$107,319.00
1,245.905 COMP
0.1838%
50
LATOKEN
COMP-BTC$86.79
0.0249372 Eth
$102,505.00
1,181.085 COMP
0.1742%
51
CoinEx
COMP-USDT$87.00
0.0249466 Eth
$101,038.00
1,184.575 COMP
0.1747%
52
Nonkyc.io
COMP-USDT$87.17
0.0250381 Eth
$100,342.00
1,178.397 COMP
0.1738%
53
BTSE
COMP-USDT$87.59
0.0250393 Eth
$95,454.00
1,089.786 COMP
0.1607%
54
Azbit
COMP-BTC$86.89
0.0249569 Eth
$90,762.00
1,035.486 COMP
0.1527%
55
Upbit
COMP-BTC$86.17
0.0247524 Eth
$85,962.00
997.533 COMP
0.1471%
56
Kraken
COMP-USD$86.76
0.0249204 Eth
$82,380.00
949.511 COMP
0.1400%
57
KuCoin
COMP-USDT$86.84
0.0249432 Eth
$81,856.00
942.612 COMP
0.1390%
58
DeGate
0XC00E94CB662C3520282E6F5717214004A7F26888-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$86.87
0.0249023 Eth
$81,794.00
957.885 0XC00E94CB662C3520282E6F5717214004A7F26888
0.1413%
59
Tapbit
COMP-USDT$86.70
0.0248949 Eth
$59,576.00
700.905 COMP
0.1034%
60
LATOKEN
COMP-USDT$87.24
0.0249850 Eth
$46,084.00
528.226 COMP
0.0779%
61
P2B
COMP-USD$86.95
0.0249258 Eth
$43,998.00
506.016 COMP
0.0746%
62
BloFin
COMP-USDT$86.96
0.0249300 Eth
$40,641.00
475.835 COMP
0.0702%
63
Globe
COMP-USDT$87.53
0.0250414 Eth
$31,213.00
371.895 COMP
0.0549%
64
Nonkyc.io
COMP-BTC$87.37
0.0250563 Eth
$28,479.00
324.477 COMP
0.0479%
65
Koinpark
COMP-USDT$86.82
0.0248703 Eth
$25,745.00
296.534 COMP
0.0437%
66
Kraken
COMP-EUR$87.45
0.0251186 Eth
$24,908.00
284.824 COMP
0.0420%
67
Bitfinex
COMP-USD$87.37
0.0250925 Eth
$24,443.00
279.746 COMP
0.0413%
68
Bit2Me
COMP-EUR$87.40
0.0250325 Eth
$23,980.00
279.128 COMP
0.0412%
69
QMall
COMP-USDT$86.98
0.0249436 Eth
$23,681.00
275.627 COMP
0.0407%
70
Coinbase Exchange
COMP-BTC$86.64
0.0248784 Eth
$18,251.70
210.655 COMP
0.0311%
71
Gemini
COMP-USD$87.10
0.0250181 Eth
$17,945.04
206.028 COMP
0.0304%
72
HashKey Global
COMP-USDT$87.30
0.0249927 Eth
$14,626.64
171.617 COMP
0.0253%
73
Kraken
COMP-XBT$86.00
0.0247023 Eth
$14,250.70
165.705 COMP
0.0244%
74
bitcastle
COMP-USDT$87.41
0.0250297 Eth
$12,221.69
141.869 COMP
0.0209%
75
Sushiswap
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$86.93
0.0249761 Eth
$11,821.19
135.899 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0200%
76
Bitso
COMP-USD$87.60
0.0250408 Eth
$11,765.96
134.322 COMP
0.0198%
77
Crypto.com Exchange
COMP-USD$87.72
0.0251905 Eth
$11,444.18
130.470 COMP
0.0192%
78
HashKey Exchange
COMP-USD$86.72
0.0249089 Eth
$10,509.02
123.237 COMP
0.0182%
79
Bitlo
COMP-TRY$87.22
0.0250090 Eth
$7,831.43
91.543 COMP
0.0135%
80
OKX
COMP-USDC$87.07
0.0250087 Eth
$6,907.63
81.317 COMP
0.0120%
81
Bit2Me
COMP-USDC$87.05
0.0249625 Eth
$6,767.91
79.691 COMP
0.0118%
82
PancakeSwap (v2)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$86.85
0.0249543 Eth
$6,258.21
73.791 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0109%
83
Uniswap V2 (Ethereum)
0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$86.88
0.0249560 Eth
$6,212.95
71.562 0XC00E94CB662C3520282E6F5717214004A7F26888
0.0106%
84
Dex-Trade
COMP-BTC$86.80
0.0249278 Eth
$5,807.83
66.910 COMP
0.0099%
85
FMFW.io
COMP-USDT$87.68
0.0251850 Eth
$4,779.39
54.509 COMP
0.0080%
86
HitBTC
COMP-USDT$87.68
0.0251849 Eth
$4,754.15
54.509 COMP
0.0080%
87
ApeSwap
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$86.99
0.0249854 Eth
$4,637.87
52.960 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0078%
88
PancakeSwap V1 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$86.67
0.0249026 Eth
$4,522.51
52.214 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0077%
89
Uniswap V3 (Polygon)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$86.43
0.0247773 Eth
$3,650.58
41.327 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0061%
90
WOO X
COMP-USDT$86.76
0.0249206 Eth
$1,464.79
16.884 COMP
0.0025%
91
Bitfinex
COMP-USDT$87.60
0.0251567 Eth
$1,195.52
13.648 COMP
0.0020%
92
PancakeSwap V3 (BSC)
0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8-0X2170ED0880AC9A755FD29B2688956BD959F933F8$86.27
0.0247787 Eth
$833.57
9.758 0X52CE071BD9B1C4B00A0B92D298C512478CAD67E8
0.0014%
93
TokoCrypto
COMP-USDT$86.84
0.0249506 Eth
$784.61
9.036 COMP
0.0013%
94
Foxbit
COMP-BRL$87.42
0.0250636 Eth
$688.03
8.069 COMP
0.0012%
95
Sushiswap (Polygon POS)
0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$86.73
0.0249031 Eth
$367.84
4.229 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C
0.0006%
96
CEX.IO
COMP-USDT$86.81
0.0249413 Eth
$281.84
3.309 COMP
0.0005%
97
CEX.IO
COMP-USD$86.94
0.0249679 Eth
$76.15
0.872 COMP
0.0001%
98
CEX.IO
COMP-EUR$87.14
0.0250357 Eth
$53.76
0.628 COMP
0.0001%
99
CEX.IO
COMP-USDC$87.07
0.0250174 Eth
$43.46
0.509 COMP
0.0001%
100
Coinmetro
COMP-USDT$87.33
0.0249997 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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