Overview
Max Total Supply
10,000,000 COMP
Holders
219,852 ( 0.005%)
Market
Price
$48.26 @ 0.017952 ETH (-7.64%)
Onchain Market Cap
$482,600,000.00
Circulating Supply Market Cap
$405,403,013.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1.25 COMPValue
$60.33 ( ~0.0224415820304059 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | COMP-USDT | $48.26 0.0179470 Eth | $7,238,266.00 144,576.555 COMP | 17.1564% |
2 | ![]() | COMP-USDT | $48.29 0.0179628 Eth | $3,467,614.00 71,801.541 COMP | 8.5204% |
3 | ![]() | COMP-USDT | $48.32 0.0179522 Eth | $3,373,302.00 67,261.301 COMP | 7.9817% |
4 | ![]() | COMP-USDT | $48.25 0.0179481 Eth | $2,812,789.00 56,066.894 COMP | 6.6533% |
5 | ![]() | COMP-USDT | $48.27 0.0179500 Eth | $2,281,344.00 47,260.661 COMP | 5.6083% |
6 | ![]() | COMP-USDT | $48.27 0.0179507 Eth | $2,248,593.00 44,851.851 COMP | 5.3224% |
7 | ![]() | COMP-USDT | $48.25 0.0179501 Eth | $1,963,909.00 39,957.699 COMP | 4.7416% |
8 | ![]() | COMP-USDT | $48.29 0.0179630 Eth | $1,628,845.00 32,470.510 COMP | 3.8532% |
9 | ![]() | COMP-USDT | $48.30 0.0179614 Eth | $1,379,884.00 27,550.463 COMP | 3.2693% |
10 | ![]() | COMP-USDT | $48.31 0.0179656 Eth | $1,172,479.00 23,309.051 COMP | 2.7660% |
11 | ![]() | COMP-USDT | $48.33 0.0179657 Eth | $1,122,241.00 23,219.772 COMP | 2.7554% |
12 | ![]() | COMP-USDT | $48.31 0.0179725 Eth | $1,112,232.00 0.000 COMP | 0.0000% |
13 | ![]() | COMP-USDT | $48.29 0.0179650 Eth | $961,807.00 19,915.716 COMP | 2.3633% |
14 | ![]() | COMP-USDT | $48.29 0.0179582 Eth | $940,196.00 18,771.514 COMP | 2.2276% |
15 | ![]() | COMP-USDT | $48.19 0.0179211 Eth | $912,206.00 17,767.120 COMP | 2.1084% |
16 | ![]() | COMP-USD | $48.30 0.0179620 Eth | $828,948.00 17,162.480 COMP | 2.0366% |
17 | ![]() | COMP-USDT | $48.26 0.0179518 Eth | $757,816.00 15,701.514 COMP | 1.8632% |
18 | ![]() | COMP-USDT | $48.30 0.0179594 Eth | $670,196.00 13,876.861 COMP | 1.6467% |
19 | ![]() | COMP-USDT | $48.42 0.0180067 Eth | $639,048.00 13,197.168 COMP | 1.5661% |
20 | ![]() | COMP-USDT | $48.31 0.0179667 Eth | $515,589.00 10,671.919 COMP | 1.2664% |
21 | ![]() | COMP-USDT | $48.27 0.0179555 Eth | $502,072.00 10,400.490 COMP | 1.2342% |
22 | ![]() | COMP-USDT | $48.22 0.0179368 Eth | $487,675.00 10,112.621 COMP | 1.2000% |
23 | ![]() | COMP-USD | $48.24 0.0179407 Eth | $443,929.00 9,203.460 COMP | 1.0921% |
24 | ![]() | COMP-SGD | $48.19 0.0179261 Eth | $414,287.00 8,597.091 COMP | 1.0202% |
25 | ![]() | COMP-USDT | $48.21 0.0179352 Eth | $348,971.00 6,974.621 COMP | 0.8277% |
26 | ![]() | COMP-USDT | $48.30 0.0179621 Eth | $290,212.00 5,794.603 COMP | 0.6876% |
27 | ![]() | COMP-USDT | $48.46 0.0180210 Eth | $276,801.00 5,509.205 COMP | 0.6538% |
28 | ![]() | COMP-USDT | $48.30 0.0179687 Eth | $269,437.00 5,577.956 COMP | 0.6619% |
29 | ![]() | COMP-USDT | $48.39 0.0179994 Eth | $234,163.00 4,664.890 COMP | 0.5536% |
30 | ![]() | COMP-USDC | $48.29 0.0179626 Eth | $229,449.00 4,568.380 COMP | 0.5421% |
31 | ![]() | COMP-USDT | $48.29 0.0179577 Eth | $212,859.00 4,249.545 COMP | 0.5043% |
32 | ![]() | COMP-USDT | $48.35 0.0179853 Eth | $211,439.00 4,253.526 COMP | 0.5048% |
33 | ![]() | COMP-USDT | $48.29 0.0179614 Eth | $197,755.00 3,921.524 COMP | 0.4654% |
34 | ![]() | COMP-USDT | $48.29 0.0179650 Eth | $192,788.00 3,825.358 COMP | 0.4539% |
35 | ![]() | COMP-USDT | $48.35 0.0179873 Eth | $183,992.00 3,805.108 COMP | 0.4515% |
36 | ![]() | COMP-USDT | $48.29 0.0179622 Eth | $180,915.00 3,746.292 COMP | 0.4446% |
37 | ![]() | COMP-USDT | $48.24 0.0179406 Eth | $166,918.00 3,326.080 COMP | 0.3947% |
38 | ![]() | COMP-USDT | $48.29 0.0179573 Eth | $165,399.00 3,293.338 COMP | 0.3908% |
39 | ![]() | COMP-USDT | $48.29 0.0179650 Eth | $120,667.00 2,396.204 COMP | 0.2843% |
40 | ![]() | COMP-USDT | $48.26 0.0179471 Eth | $120,490.00 2,406.651 COMP | 0.2856% |
41 | ![]() | COMP-USDT | $48.31 0.0179672 Eth | $117,836.00 2,421.686 COMP | 0.2874% |
42 | ![]() | COMP-USD | $48.32 0.0179727 Eth | $113,735.00 2,353.783 COMP | 0.2793% |
43 | ![]() | COMP-USDT | $48.41 0.0180074 Eth | $102,013.00 2,019.867 COMP | 0.2397% |
44 | ![]() | COMP-USDT | $48.27 0.0179518 Eth | $96,343.00 1,924.122 COMP | 0.2283% |
45 | ![]() | COMP-USDT | $48.27 0.0179539 Eth | $68,290.00 1,414.904 COMP | 0.1679% |
46 | ![]() | COMP-USDT | $48.26 0.0179518 Eth | $59,606.00 1,235.012 COMP | 0.1466% |
47 | ![]() | COMP-USDT | $48.18 0.0179220 Eth | $57,425.00 1,191.793 COMP | 0.1414% |
48 | ![]() | COMP-USD | $48.25 0.0179463 Eth | $54,514.00 1,129.825 COMP | 0.1341% |
49 | ![]() | COMP-BTC | $48.34 0.0179866 Eth | $54,086.00 1,076.936 COMP | 0.1278% |
50 | ![]() | COMP-USDT | $48.24 0.0179444 Eth | $51,902.00 1,033.739 COMP | 0.1227% |
51 | ![]() | COMP-USDT | $48.28 0.0179523 Eth | $50,604.00 1,048.035 COMP | 0.1244% |
52 | ![]() | COMP-USDT | $48.34 0.0179808 Eth | $42,537.00 880.022 COMP | 0.1044% |
53 | ![]() | COMP-EUR | $48.54 0.0180529 Eth | $40,519.00 834.836 COMP | 0.0991% |
54 | ![]() | COMP-TRY | $48.13 0.0178887 Eth | $40,282.00 800.606 COMP | 0.0950% |
55 | ![]() | COMP-BTC | $48.20 0.0179295 Eth | $38,317.00 794.891 COMP | 0.0943% |
56 | ![]() | COMP-USDT | $48.29 0.0179583 Eth | $35,364.00 706.602 COMP | 0.0839% |
57 | ![]() | COMP-USDT | $48.31 0.0179667 Eth | $34,552.00 715.179 COMP | 0.0849% |
58 | ![]() | COMP-BTC | $48.09 0.0178825 Eth | $33,054.00 687.381 COMP | 0.0816% |
59 | ![]() | 0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $47.54 0.0176817 Eth | $31,498.00 642.813 0X354A6DA3FCDE098F8389CAD84B0182725C6C91DE | 0.0763% |
60 | ![]() | 0XC00E94CB662C3520282E6F5717214004A7F26888-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $48.51 0.0180339 Eth | $31,133.00 619.512 0XC00E94CB662C3520282E6F5717214004A7F26888 | 0.0735% |
61 | ![]() | COMP-USDT | $48.39 0.0179964 Eth | $30,861.00 637.729 COMP | 0.0757% |
62 | ![]() | 0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $48.24 0.0179429 Eth | $27,580.00 559.802 0XC00E94CB662C3520282E6F5717214004A7F26888 | 0.0664% |
63 | ![]() | COMP-THB | $48.56 0.0180565 Eth | $24,287.00 500.183 COMP | 0.0594% |
64 | ![]() | COMP-BTC | $48.04 0.0178672 Eth | $23,221.00 483.402 COMP | 0.0574% |
65 | ![]() | 0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $48.55 0.0180568 Eth | $22,602.00 455.233 0XC00E94CB662C3520282E6F5717214004A7F26888 | 0.0540% |
66 | ![]() | COMP-BTC | $48.34 0.0179767 Eth | $21,972.00 433.822 COMP | 0.0515% |
67 | ![]() | COMP-EUR | $48.06 0.0178738 Eth | $18,977.40 394.859 COMP | 0.0469% |
68 | ![]() | COMP-USDC | $48.06 0.0178771 Eth | $17,604.43 350.825 COMP | 0.0416% |
69 | ![]() | COMP-USDT | $48.31 0.0179725 Eth | $16,415.97 326.790 COMP | 0.0388% |
70 | ![]() | COMP-USDT | $48.28 0.0179546 Eth | $13,667.21 271.293 COMP | 0.0322% |
71 | ![]() | COMP-TRY | $48.48 0.0180353 Eth | $13,429.07 267.183 COMP | 0.0317% |
72 | ![]() | COMP-USDT | $48.23 0.0179371 Eth | $13,137.09 272.410 COMP | 0.0323% |
73 | ![]() | COMP-PHP | $48.17 0.0179145 Eth | $12,796.27 256.085 COMP | 0.0304% |
74 | ![]() | COMP-BTC | $48.09 0.0178876 Eth | $10,488.48 218.120 COMP | 0.0259% |
75 | ![]() | COMP-USD | $48.25 0.0179481 Eth | $10,368.75 214.879 COMP | 0.0255% |
76 | ![]() | 0XC00E94CB662C3520282E6F5717214004A7F26888-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $48.50 0.0180378 Eth | $8,903.50 179.659 0XC00E94CB662C3520282E6F5717214004A7F26888 | 0.0213% |
77 | ![]() | COMP-USDT | $48.31 0.0179685 Eth | $8,812.75 182.425 COMP | 0.0216% |
78 | ![]() | COMP-USD | $48.35 0.0179827 Eth | $8,734.07 180.650 COMP | 0.0214% |
79 | ![]() | COMP-USD | $48.31 0.0179706 Eth | $8,580.59 170.560 COMP | 0.0202% |
80 | ![]() | COMP-USD | $48.00 0.0178536 Eth | $8,158.96 169.978 COMP | 0.0202% |
81 | ![]() | COMP-USD | $48.29 0.0179582 Eth | $6,893.95 137.269 COMP | 0.0163% |
82 | ![]() | COMP-USDT | $48.35 0.0179866 Eth | $4,715.12 93.516 COMP | 0.0111% |
83 | ![]() | COMP-USDC | $48.31 0.0179705 Eth | $3,032.59 62.775 COMP | 0.0074% |
84 | ![]() | COMP-USDT | $48.31 0.0179693 Eth | $3,031.53 62.758 COMP | 0.0074% |
85 | ![]() | COMP-BRL | $48.13 0.0178996 Eth | $2,319.43 48.190 COMP | 0.0057% |
86 | ![]() | COMP-USDT | $48.25 0.0179481 Eth | $2,059.93 42.689 COMP | 0.0051% |
87 | ![]() | 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $48.19 0.0179273 Eth | $1,524.61 31.295 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C | 0.0037% |
88 | ![]() | COMP-TRY | $48.62 0.0180852 Eth | $1,474.01 30.319 COMP | 0.0036% |
89 | ![]() | COMP-USDT | $48.28 0.0179577 Eth | $1,377.06 28.525 COMP | 0.0034% |
90 | ![]() | COMP-BRL | $48.35 0.0179870 Eth | $1,288.97 25.790 COMP | 0.0031% |
91 | ![]() | COMP-BTC | $48.07 0.0178810 Eth | $1,276.39 25.786 COMP | 0.0031% |
92 | ![]() | COMP-BTC | $48.33 0.0179763 Eth | $719.69 14.891 COMP | 0.0018% |
93 | ![]() | COMP-USDT | $48.25 0.0179479 Eth | $592.18 11.868 COMP | 0.0014% |
94 | ![]() | 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $48.19 0.0179273 Eth | $195.16 3.963 0X8505B9D2254A7AE468C0E9DD10CCEA3A837AEF5C | 0.0005% |
95 | ![]() | COMP-IDR | $48.35 0.0179811 Eth | $110.14 2.180 COMP | 0.0003% |
96 | ![]() | COMP-USD | $48.26 0.0179500 Eth | $21.64 0.441 COMP | 0.0001% |
97 | ![]() | COMP-EUR | $48.42 0.0180110 Eth | $21.33 0.412 COMP | 0.0000% |
98 | ![]() | COMP-USDT | $48.30 0.0179647 Eth | $1.21 0.025 COMP | 0.0000% |
99 | ![]() | COMP-USD | $48.31 0.0179710 Eth | $0.00 0.000 COMP | 0.0000% |
100 | ![]() | COMP-EUR | $48.30 0.0179677 Eth | $0.00 0.000 COMP | 0.0000% |
Contract Name:
Comp
Compiler Version
v0.5.16+commit.9c3226ce
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *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
- Open Zeppelin- Feb 25th, 2020 - Security Audit Report
[{"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"}]
Contract Creation Code
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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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