Overview
Max Total Supply
2,206,859,342.816305096406532858 CRV
Holders
88,917 ( 0.008%)
Market
Price
$0.86 @ 0.000257 ETH (+8.72%)
Onchain Market Cap
$1,895,977,806.06
Circulating Supply Market Cap
$1,078,946,782.42
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000000000000387987 CRVValue
$0.00 ( ~0 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | CRV-USDT | $0.8667 0.0002595 Eth | $72,641,601.00 89,580,708.700 CRV | 25.2349% |
2 | Websea | CRV-USDT | $0.8457 0.0002549 Eth | $37,083,909.00 0.000 CRV | 0.0000% |
3 | OKX | CRV-USDT | $0.8675 0.0002600 Eth | $19,290,687.00 23,834,340.472 CRV | 6.7141% |
4 | Coinbase Exchange | CRV-USD | $0.8613 0.0002579 Eth | $17,581,849.00 20,413,153.250 CRV | 5.7504% |
5 | Gate.io | CRV-USDT | $0.8656 0.0002594 Eth | $15,999,443.00 19,811,902.540 CRV | 5.5810% |
6 | HTX | CRV-USDT | $0.8663 0.0002597 Eth | $14,776,158.00 18,368,443.964 CRV | 5.1744% |
7 | Bybit | CRV-USDT | $0.8642 0.0002588 Eth | $8,917,496.00 10,959,212.870 CRV | 3.0872% |
8 | Bitget | CRV-USDT | $0.8666 0.0002595 Eth | $8,805,417.00 10,775,440.724 CRV | 3.0354% |
9 | MEXC | CRV-USDT | $0.8613 0.0002580 Eth | $8,494,249.00 9,862,536.540 CRV | 2.7783% |
10 | Azbit | CRV-USDT | $0.8609 0.0002580 Eth | $6,964,755.00 8,600,764.940 CRV | 2.4228% |
11 | BIT | CRV-USDT | $0.8611 0.0002579 Eth | $6,871,579.00 7,979,832.690 CRV | 2.2479% |
12 | Bitunix | CRV-USDT | $0.867 0.0002596 Eth | $6,749,170.00 7,787,052.100 CRV | 2.1936% |
13 | XT.COM | CRV-USDT | $0.8521 0.0002561 Eth | $5,627,800.00 6,956,935.200 CRV | 1.9598% |
14 | Kraken | CRV-USD | $0.867 0.0002597 Eth | $4,838,164.00 5,580,350.960 CRV | 1.5720% |
15 | Niza Global | CRV-USD | $0.867 0.0002596 Eth | $4,509,990.00 5,580,220.030 CRV | 1.5719% |
16 | Slex | CRV-USDT | $0.863 0.0002589 Eth | $4,503,101.00 5,561,953.900 CRV | 1.5668% |
17 | Bitrue | CRV-USDT | $0.8669 0.0002597 Eth | $4,460,070.00 5,144,913.730 CRV | 1.4493% |
18 | LBank | CRV-USDT | $0.8666 0.0002595 Eth | $4,092,533.00 4,722,422.980 CRV | 1.3303% |
19 | Trubit | CRV-USDT | $0.8602 0.0002573 Eth | $3,989,684.00 4,954,971.400 CRV | 1.3958% |
20 | Phemex | CRV-USDT | $0.8611 0.0002580 Eth | $3,529,297.00 4,098,524.030 CRV | 1.1546% |
21 | Bitvavo | CRV-EUR | $0.8605 0.0002577 Eth | $3,464,731.00 4,026,415.938 CRV | 1.1342% |
22 | Hotcoin | CRV-USDT | $0.8627 0.0002588 Eth | $3,346,818.00 3,879,544.500 CRV | 1.0929% |
23 | KuCoin | CRV-USDT | $0.8669 0.0002597 Eth | $2,957,261.00 3,411,348.510 CRV | 0.9610% |
24 | BYDFi | CRV-USDT | $0.8516 0.0002557 Eth | $2,890,410.00 3,394,142.700 CRV | 0.9561% |
25 | FameEX | CRV-USDT | $0.8617 0.0002581 Eth | $2,865,555.00 3,539,609.748 CRV | 0.9971% |
26 | Uniswap V3 (Arbitrum One) | 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.8611 0.0002583 Eth | $2,737,225.00 3,351,644.071 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978 | 0.9442% |
27 | BTSE | CRV-USDT | $0.8667 0.0002598 Eth | $2,634,231.00 3,039,522.798 CRV | 0.8562% |
28 | Dex-Trade | CRV-USDT | $0.8616 0.0002585 Eth | $2,600,424.00 3,018,022.900 CRV | 0.8502% |
29 | CoinW | CRV-USDT | $0.8616 0.0002581 Eth | $2,547,369.00 2,956,495.829 CRV | 0.8328% |
30 | Bitrue | CRV-XRP | $0.8645 0.0002589 Eth | $2,438,580.00 2,820,946.350 CRV | 0.7947% |
31 | Bullish | CRV-USDC | $0.866 0.0002596 Eth | $2,426,540.00 3,020,564.427 CRV | 0.8509% |
32 | Biconomy.com | CRV-USDT | $0.8669 0.0002596 Eth | $2,225,933.00 2,752,358.900 CRV | 0.7753% |
33 | FMFW.io | CRV-USDT | $0.8412 0.0002548 Eth | $2,116,192.00 2,515,705.900 CRV | 0.7087% |
34 | HitBTC | CRV-USDT | $0.8597 0.0002577 Eth | $2,032,632.00 2,521,999.200 CRV | 0.7104% |
35 | Coinstore | CRV-USDT | $0.8655 0.0002594 Eth | $2,012,037.00 2,488,634.000 CRV | 0.7010% |
36 | FMCPAY | CRV-USDT | $0.8635 0.0002591 Eth | $1,987,218.00 2,467,263.450 CRV | 0.6950% |
37 | Bitrue | CRV-USDC | $0.8682 0.0002600 Eth | $1,557,692.00 1,794,239.430 CRV | 0.5054% |
38 | WEEX | CRV-USDT | $0.8225 0.0002508 Eth | $1,506,375.00 1,831,400.570 CRV | 0.5159% |
39 | Toobit | CRV-USDT | $0.8518 0.0002557 Eth | $1,391,095.00 1,720,892.500 CRV | 0.4848% |
40 | Ourbit | CRV-USDT | $0.8604 0.0002577 Eth | $1,277,466.00 1,578,775.420 CRV | 0.4447% |
41 | Curve (Ethereum) | 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E-0XD533A949740BB3306D119CC777FA900BA034CD52 | $0.8375 0.0002512 Eth | $1,236,638.00 1,194,379.007 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E | 0.3365% |
42 | Binance | CRV-TRY | $0.8714 0.0002609 Eth | $1,196,416.00 1,458,762.200 CRV | 0.4109% |
43 | WhiteBIT | CRV-BTC | $0.862 0.0002586 Eth | $1,191,891.00 1,382,683.600 CRV | 0.3895% |
44 | DigiFinex | CRV-USDT | $0.8655 0.0002592 Eth | $1,185,994.00 1,370,270.900 CRV | 0.3860% |
45 | Hibt | CRV-USDT | $0.8592 0.0002573 Eth | $1,148,032.00 1,418,903.340 CRV | 0.3997% |
46 | PointPay | CRV-USDT | $0.8428 0.0002541 Eth | $1,137,136.00 1,408,202.290 CRV | 0.3967% |
47 | Uniswap V3 (Ethereum) | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $0.8404 0.0002521 Eth | $1,112,520.00 1,385,326.553 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.3902% |
48 | Binance | CRV-USDC | $0.8489 0.0002559 Eth | $1,051,650.00 1,297,057.700 CRV | 0.3654% |
49 | Bitkub | CRV-THB | $0.8606 0.0002582 Eth | $976,609.00 1,134,770.377 CRV | 0.3197% |
50 | BingX | CRV-USDT | $0.8651 0.0002591 Eth | $970,705.00 1,196,746.160 CRV | 0.3371% |
51 | CoinEx | CRV-USDT | $0.8643 0.0002591 Eth | $952,832.00 1,187,169.831 CRV | 0.3344% |
52 | BitMart | CRV-USDT | $0.862 0.0002584 Eth | $949,678.00 1,101,760.200 CRV | 0.3104% |
53 | Luno | CRV-MYR | $0.869 0.0002599 Eth | $905,121.00 1,041,611.880 CRV | 0.2934% |
54 | Binance | CRV-BTC | $0.8608 0.0002582 Eth | $899,222.00 1,115,586.800 CRV | 0.3143% |
55 | WhiteBIT | CRV-TRY | $0.8728 0.0002618 Eth | $741,960.00 850,090.100 CRV | 0.2395% |
56 | P2B | CRV-USD | $0.843 0.0002546 Eth | $595,300.00 706,168.920 CRV | 0.1989% |
57 | BitDelta | CRV-USDT | $0.8471 0.0002554 Eth | $539,337.00 671,293.100 CRV | 0.1891% |
58 | DeGate | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.865 0.0002593 Eth | $519,863.00 646,871.035 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.1822% |
59 | Curve (Arbitrum) | 0X498BF2B1E120FED3AD3D42EA2165E9B73F99C1E5-0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978 | $0.8322 0.0002492 Eth | $512,732.00 497,834.512 0X498BF2B1E120FED3AD3D42EA2165E9B73F99C1E5 | 0.1402% |
60 | LocalTrade | CRV-USDT | $0.8509 0.0002557 Eth | $499,069.00 586,512.531 CRV | 0.1652% |
61 | Kraken | CRV-EUR | $0.8676 0.0002599 Eth | $409,534.00 472,020.288 CRV | 0.1330% |
62 | Niza Global | CRV-EUR | $0.8676 0.0002598 Eth | $381,306.00 472,020.288 CRV | 0.1330% |
63 | Bit2Me | CRV-EUR | $0.8593 0.0002574 Eth | $378,445.00 462,336.144 CRV | 0.1302% |
64 | Gemini | CRV-USD | $0.8635 0.0002586 Eth | $315,811.00 365,733.644 CRV | 0.1030% |
65 | OKX | CRV-USDC | $0.8644 0.0002591 Eth | $312,948.00 390,060.787 CRV | 0.1099% |
66 | Tokenize | CRV-SGD | $0.8511 0.0002563 Eth | $300,143.00 352,666.462 CRV | 0.0993% |
67 | Tokenize | CRV-USD | $0.8528 0.0002562 Eth | $299,105.00 350,732.529 CRV | 0.0988% |
68 | Coinbase Exchange | CRV-EUR | $0.8633 0.0002590 Eth | $285,624.00 330,836.630 CRV | 0.0932% |
69 | Nonkyc.io | CRV-USDT | $0.8658 0.0002598 Eth | $278,438.00 346,537.047 CRV | 0.0976% |
70 | BloFin | CRV-USDT | $0.8599 0.0002574 Eth | $269,346.00 333,473.000 CRV | 0.0939% |
71 | BVOX | CRV-USDT | $0.859 0.0002572 Eth | $210,016.00 260,799.200 CRV | 0.0735% |
72 | Curve (Arbitrum) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978 | $0.8623 0.0002587 Eth | $207,548.00 260,558.267 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0734% |
73 | Pionex | CRV-USDT | $0.8638 0.0002591 Eth | $187,885.00 232,136.890 CRV | 0.0654% |
74 | Icrypex | CRV-USDT | $0.8563 0.0002568 Eth | $186,308.00 217,584.679 CRV | 0.0613% |
75 | Tapbit | CRV-USDT | $0.8569 0.0002570 Eth | $170,529.00 210,857.800 CRV | 0.0594% |
76 | Coinbase Exchange | CRV-GBP | $0.8604 0.0002577 Eth | $163,068.00 189,527.670 CRV | 0.0534% |
77 | Quickswap (v3) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.8528 0.0002556 Eth | $156,643.00 191,627.500 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0540% |
78 | Deepcoin | CRV-USDT | $0.8602 0.0002573 Eth | $127,365.00 161,901.668 CRV | 0.0456% |
79 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.867 0.0002596 Eth | $124,359.00 150,202.127 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0423% |
80 | Bitso | CRV-USD | $0.863 0.0002589 Eth | $119,434.00 138,394.287 CRV | 0.0390% |
81 | Uniswap V3 (Ethereum) | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.8608 0.0002582 Eth | $114,657.00 141,118.491 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0398% |
82 | BigONE | CRV-USDT | $0.8551 0.0002567 Eth | $112,786.00 131,901.898 CRV | 0.0372% |
83 | LATOKEN | CRV-USDT | $0.8593 0.0002574 Eth | $74,845.00 87,097.028 CRV | 0.0245% |
84 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $0.865 0.0002590 Eth | $59,308.00 72,980.312 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0206% |
85 | Curve (Optimism) | 0X4200000000000000000000000000000000000042-0X0994206DFE8DE6EC6920FF4D779B0D950605FB53 | $0.8495 0.0002544 Eth | $57,938.00 31,343.382 0X4200000000000000000000000000000000000042 | 0.0088% |
86 | Sushiswap | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $0.8385 0.0002513 Eth | $28,248.00 35,382.743 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0100% |
87 | Uniswap V2 (Ethereum) | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $0.8385 0.0002516 Eth | $28,222.00 35,217.100 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0099% |
88 | Nonkyc.io | CRV-BTC | $0.8598 0.0002580 Eth | $25,376.00 31,850.297 CRV | 0.0090% |
89 | Globe | CRV-USDT | $0.852 0.0002562 Eth | $24,112.00 29,660.569 CRV | 0.0084% |
90 | Uniswap V3 (Optimism) | 0X0994206DFE8DE6EC6920FF4D779B0D950605FB53-0X4200000000000000000000000000000000000006 | $0.8241 0.0002511 Eth | $18,363.25 22,945.308 0X0994206DFE8DE6EC6920FF4D779B0D950605FB53 | 0.0065% |
91 | Uniswap V3 (Arbitrum One) | 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $0.8617 0.0002585 Eth | $16,951.34 20,971.384 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978 | 0.0059% |
92 | HashKey Global | CRV-USDT | $0.8532 0.0002572 Eth | $16,045.62 19,854.600 CRV | 0.0056% |
93 | TokoCrypto | CRV-USDT | $0.8511 0.0002565 Eth | $14,010.00 16,460.357 CRV | 0.0046% |
94 | Sushiswap (Polygon POS) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $0.8622 0.0002587 Eth | $14,000.80 17,128.187 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0048% |
95 | MEXC | CRV-ETH | $0.8498 0.0002550 Eth | $11,245.22 13,232.830 CRV | 0.0037% |
96 | LATOKEN | CRV-BTC | $0.8491 0.0002543 Eth | $9,173.30 10,804.004 CRV | 0.0030% |
97 | CEX.IO | CRV-USDT | $0.8616 0.0002581 Eth | $8,994.21 10,889.974 CRV | 0.0031% |
98 | CEX.IO | CRV-USD | $0.862 0.0002582 Eth | $8,001.62 9,892.360 CRV | 0.0028% |
99 | ApeSwap (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.8468 0.0002536 Eth | $2,154.70 2,642.042 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0007% |
100 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $0.8545 0.0002562 Eth | $528.51 652.177 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0002% |
Contract Source Code Verified (Exact Match)
Contract Name:
Vyper_contract
Compiler Version
vyper:0.2.4
Contract Source Code (Vyper language format)
# @version 0.2.4 """ @title Curve DAO Token @author Curve Finance @license MIT @notice ERC20 with piecewise-linear mining supply. @dev Based on the ERC-20 token standard as defined at https://eips.ethereum.org/EIPS/eip-20 """ from vyper.interfaces import ERC20 implements: ERC20 event Transfer: _from: indexed(address) _to: indexed(address) _value: uint256 event Approval: _owner: indexed(address) _spender: indexed(address) _value: uint256 event UpdateMiningParameters: time: uint256 rate: uint256 supply: uint256 event SetMinter: minter: address event SetAdmin: admin: address name: public(String[64]) symbol: public(String[32]) decimals: public(uint256) balanceOf: public(HashMap[address, uint256]) allowances: HashMap[address, HashMap[address, uint256]] total_supply: uint256 minter: public(address) admin: public(address) # General constants YEAR: constant(uint256) = 86400 * 365 # Allocation: # ========= # * shareholders - 30% # * emplyees - 3% # * DAO-controlled reserve - 5% # * Early users - 5% # == 43% == # left for inflation: 57% # Supply parameters INITIAL_SUPPLY: constant(uint256) = 1_303_030_303 INITIAL_RATE: constant(uint256) = 274_815_283 * 10 ** 18 / YEAR # leading to 43% premine RATE_REDUCTION_TIME: constant(uint256) = YEAR RATE_REDUCTION_COEFFICIENT: constant(uint256) = 1189207115002721024 # 2 ** (1/4) * 1e18 RATE_DENOMINATOR: constant(uint256) = 10 ** 18 INFLATION_DELAY: constant(uint256) = 86400 # Supply variables mining_epoch: public(int128) start_epoch_time: public(uint256) rate: public(uint256) start_epoch_supply: uint256 @external def __init__(_name: String[64], _symbol: String[32], _decimals: uint256): """ @notice Contract constructor @param _name Token full name @param _symbol Token symbol @param _decimals Number of decimals for token """ init_supply: uint256 = INITIAL_SUPPLY * 10 ** _decimals self.name = _name self.symbol = _symbol self.decimals = _decimals self.balanceOf[msg.sender] = init_supply self.total_supply = init_supply self.admin = msg.sender log Transfer(ZERO_ADDRESS, msg.sender, init_supply) self.start_epoch_time = block.timestamp + INFLATION_DELAY - RATE_REDUCTION_TIME self.mining_epoch = -1 self.rate = 0 self.start_epoch_supply = init_supply @internal def _update_mining_parameters(): """ @dev Update mining rate and supply at the start of the epoch Any modifying mining call must also call this """ _rate: uint256 = self.rate _start_epoch_supply: uint256 = self.start_epoch_supply self.start_epoch_time += RATE_REDUCTION_TIME self.mining_epoch += 1 if _rate == 0: _rate = INITIAL_RATE else: _start_epoch_supply += _rate * RATE_REDUCTION_TIME self.start_epoch_supply = _start_epoch_supply _rate = _rate * RATE_DENOMINATOR / RATE_REDUCTION_COEFFICIENT self.rate = _rate log UpdateMiningParameters(block.timestamp, _rate, _start_epoch_supply) @external def update_mining_parameters(): """ @notice Update mining rate and supply at the start of the epoch @dev Callable by any address, but only once per epoch Total supply becomes slightly larger if this function is called late """ assert block.timestamp >= self.start_epoch_time + RATE_REDUCTION_TIME # dev: too soon! self._update_mining_parameters() @external def start_epoch_time_write() -> uint256: """ @notice Get timestamp of the current mining epoch start while simultaneously updating mining parameters @return Timestamp of the epoch """ _start_epoch_time: uint256 = self.start_epoch_time if block.timestamp >= _start_epoch_time + RATE_REDUCTION_TIME: self._update_mining_parameters() return self.start_epoch_time else: return _start_epoch_time @external def future_epoch_time_write() -> uint256: """ @notice Get timestamp of the next mining epoch start while simultaneously updating mining parameters @return Timestamp of the next epoch """ _start_epoch_time: uint256 = self.start_epoch_time if block.timestamp >= _start_epoch_time + RATE_REDUCTION_TIME: self._update_mining_parameters() return self.start_epoch_time + RATE_REDUCTION_TIME else: return _start_epoch_time + RATE_REDUCTION_TIME @internal @view def _available_supply() -> uint256: return self.start_epoch_supply + (block.timestamp - self.start_epoch_time) * self.rate @external @view def available_supply() -> uint256: """ @notice Current number of tokens in existence (claimed or unclaimed) """ return self._available_supply() @external @view def mintable_in_timeframe(start: uint256, end: uint256) -> uint256: """ @notice How much supply is mintable from start timestamp till end timestamp @param start Start of the time interval (timestamp) @param end End of the time interval (timestamp) @return Tokens mintable from `start` till `end` """ assert start <= end # dev: start > end to_mint: uint256 = 0 current_epoch_time: uint256 = self.start_epoch_time current_rate: uint256 = self.rate # Special case if end is in future (not yet minted) epoch if end > current_epoch_time + RATE_REDUCTION_TIME: current_epoch_time += RATE_REDUCTION_TIME current_rate = current_rate * RATE_DENOMINATOR / RATE_REDUCTION_COEFFICIENT assert end <= current_epoch_time + RATE_REDUCTION_TIME # dev: too far in future for i in range(999): # Curve will not work in 1000 years. Darn! if end >= current_epoch_time: current_end: uint256 = end if current_end > current_epoch_time + RATE_REDUCTION_TIME: current_end = current_epoch_time + RATE_REDUCTION_TIME current_start: uint256 = start if current_start >= current_epoch_time + RATE_REDUCTION_TIME: break # We should never get here but what if... elif current_start < current_epoch_time: current_start = current_epoch_time to_mint += current_rate * (current_end - current_start) if start >= current_epoch_time: break current_epoch_time -= RATE_REDUCTION_TIME current_rate = current_rate * RATE_REDUCTION_COEFFICIENT / RATE_DENOMINATOR # double-division with rounding made rate a bit less => good assert current_rate <= INITIAL_RATE # This should never happen return to_mint @external def set_minter(_minter: address): """ @notice Set the minter address @dev Only callable once, when minter has not yet been set @param _minter Address of the minter """ assert msg.sender == self.admin # dev: admin only assert self.minter == ZERO_ADDRESS # dev: can set the minter only once, at creation self.minter = _minter log SetMinter(_minter) @external def set_admin(_admin: address): """ @notice Set the new admin. @dev After all is set up, admin only can change the token name @param _admin New admin address """ assert msg.sender == self.admin # dev: admin only self.admin = _admin log SetAdmin(_admin) @external @view def totalSupply() -> uint256: """ @notice Total number of tokens in existence. """ return self.total_supply @external @view def allowance(_owner : address, _spender : address) -> uint256: """ @notice Check the amount of tokens that an owner allowed to a spender @param _owner The address which owns the funds @param _spender The address which will spend the funds @return uint256 specifying the amount of tokens still available for the spender """ return self.allowances[_owner][_spender] @external def transfer(_to : address, _value : uint256) -> bool: """ @notice Transfer `_value` tokens from `msg.sender` to `_to` @dev Vyper does not allow underflows, so the subtraction in this function will revert on an insufficient balance @param _to The address to transfer to @param _value The amount to be transferred @return bool success """ assert _to != ZERO_ADDRESS # dev: transfers to 0x0 are not allowed self.balanceOf[msg.sender] -= _value self.balanceOf[_to] += _value log Transfer(msg.sender, _to, _value) return True @external def transferFrom(_from : address, _to : address, _value : uint256) -> bool: """ @notice Transfer `_value` tokens from `_from` to `_to` @param _from address The address which you want to send tokens from @param _to address The address which you want to transfer to @param _value uint256 the amount of tokens to be transferred @return bool success """ assert _to != ZERO_ADDRESS # dev: transfers to 0x0 are not allowed # NOTE: vyper does not allow underflows # so the following subtraction would revert on insufficient balance self.balanceOf[_from] -= _value self.balanceOf[_to] += _value self.allowances[_from][msg.sender] -= _value log Transfer(_from, _to, _value) return True @external def approve(_spender : address, _value : uint256) -> bool: """ @notice Approve `_spender` to transfer `_value` tokens on behalf of `msg.sender` @dev Approval may only be from zero -> nonzero or from nonzero -> zero in order to mitigate the potential race condition described here: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 @param _spender The address which will spend the funds @param _value The amount of tokens to be spent @return bool success """ assert _value == 0 or self.allowances[msg.sender][_spender] == 0 self.allowances[msg.sender][_spender] = _value log Approval(msg.sender, _spender, _value) return True @external def mint(_to: address, _value: uint256) -> bool: """ @notice Mint `_value` tokens and assign them to `_to` @dev Emits a Transfer event originating from 0x00 @param _to The account that will receive the created tokens @param _value The amount that will be created @return bool success """ assert msg.sender == self.minter # dev: minter only assert _to != ZERO_ADDRESS # dev: zero address if block.timestamp >= self.start_epoch_time + RATE_REDUCTION_TIME: self._update_mining_parameters() _total_supply: uint256 = self.total_supply + _value assert _total_supply <= self._available_supply() # dev: exceeds allowable mint amount self.total_supply = _total_supply self.balanceOf[_to] += _value log Transfer(ZERO_ADDRESS, _to, _value) return True @external def burn(_value: uint256) -> bool: """ @notice Burn `_value` tokens belonging to `msg.sender` @dev Emits a Transfer event with a destination of 0x00 @param _value The amount that will be burned @return bool success """ self.balanceOf[msg.sender] -= _value self.total_supply -= _value log Transfer(msg.sender, ZERO_ADDRESS, _value) return True @external def set_name(_name: String[64], _symbol: String[32]): """ @notice Change the token name and symbol to `_name` and `_symbol` @dev Only callable by the admin account @param _name New token name @param _symbol New token symbol """ assert msg.sender == self.admin, "Only admin is allowed to change name" self.name = _name self.symbol = _symbol
Contract Security Audit
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Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000f43757276652044414f20546f6b656e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034352560000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _name (string): Curve DAO Token
Arg [1] : _symbol (string): CRV
Arg [2] : _decimals (uint256): 18
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000f
Arg [4] : 43757276652044414f20546f6b656e0000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [6] : 4352560000000000000000000000000000000000000000000000000000000000
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