Overview
Max Total Supply
2,118,528,190.48820012031842299 CRV
Holders
85,239 ( -0.005%)
Market
Price
$0.43 @ 0.000139 ETH (+0.69%)
Onchain Market Cap
$919,121,886.05
Circulating Supply Market Cap
$526,991,989.19
Other Info
Token Contract (WITH 18 Decimals)
Balance
244.207311640401963185 CRVValue
$105.95 ( ~0.033922797084754 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | CRV-USDT | $0.4347 0.0001393 Eth | $8,243,168.00 19,099,369.200 CRV | 29.0014% |
2 | Trubit | CRV-USDT | $0.4342 0.0001391 Eth | $1,929,339.00 4,427,082.800 CRV | 6.7223% |
3 | HTX | CRV-USDT | $0.4347 0.0001393 Eth | $1,546,536.00 3,575,316.689 CRV | 5.4289% |
4 | CITEX | CRV-USDT | $0.4351 0.0001394 Eth | $1,484,825.00 3,434,243.200 CRV | 5.2147% |
5 | Bullish | CRV-USDC | $0.434 0.0001392 Eth | $1,476,001.00 3,416,866.418 CRV | 5.1883% |
6 | Websea | CRV-USDT | $0.4342 0.0001391 Eth | $1,166,712.00 0.000 CRV | 0.0000% |
7 | OKX | CRV-USDT | $0.4349 0.0001393 Eth | $1,151,495.00 2,666,153.070 CRV | 4.0484% |
8 | DigiFinex | CRV-USDT | $0.435 0.0001394 Eth | $854,862.00 1,965,193.500 CRV | 2.9840% |
9 | CoinCatch | CRV-USDT | $0.4338 0.0001391 Eth | $692,625.00 1,601,138.432 CRV | 2.4312% |
10 | XT.COM | CRV-USDT | $0.4339 0.0001390 Eth | $671,408.00 1,555,660.800 CRV | 2.3622% |
11 | Phemex | CRV-USDT | $0.434 0.0001391 Eth | $665,267.00 1,532,958.490 CRV | 2.3277% |
12 | CoinW | CRV-USDT | $0.4341 0.0001391 Eth | $585,439.00 1,348,625.889 CRV | 2.0478% |
13 | Bybit | CRV-USDT | $0.4346 0.0001392 Eth | $487,091.00 1,126,011.940 CRV | 1.7098% |
14 | Hotcoin | CRV-USDT | $0.4338 0.0001391 Eth | $463,291.00 1,067,985.600 CRV | 1.6217% |
15 | Bitunix | CRV-USDT | $0.4339 0.0001391 Eth | $462,950.00 1,066,969.000 CRV | 1.6201% |
16 | Biconomy | CRV-USDT | $0.4339 0.0001391 Eth | $423,984.00 981,192.500 CRV | 1.4899% |
17 | Bitrue | CRV-USDC | $0.4347 0.0001393 Eth | $394,146.00 906,605.840 CRV | 1.3766% |
18 | WhiteBIT | CRV-USDT | $0.4345 0.0001392 Eth | $382,344.00 879,960.944 CRV | 1.3362% |
19 | AscendEX (BitMax) | CRV-USDT | $0.434 0.0001391 Eth | $357,363.00 823,387.700 CRV | 1.2503% |
20 | Coinbase Exchange | CRV-USD | $0.4345 0.0001392 Eth | $357,139.00 821,954.630 CRV | 1.2481% |
21 | LBank | CRV-USDT | $0.4347 0.0001393 Eth | $339,096.00 780,066.040 CRV | 1.1845% |
22 | Bitrue | CRV-XRP | $0.4349 0.0001393 Eth | $336,273.00 773,297.170 CRV | 1.1742% |
23 | FameEX | CRV-USDT | $0.4339 0.0001391 Eth | $327,430.00 758,734.460 CRV | 1.1521% |
24 | Quickswap (v3) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.4339 0.0001393 Eth | $306,503.00 715,967.286 0X172370D5CD63279EFA6D502DAB29171933A610AF | 1.0872% |
25 | BYDFi | CRV-USDT | $0.4341 0.0001392 Eth | $300,411.00 692,034.700 CRV | 1.0508% |
26 | Bitazza | CRV-USDT | $0.4352 0.0001394 Eth | $268,347.00 620,339.200 CRV | 0.9420% |
27 | KuCoin | CRV-USDT | $0.4347 0.0001393 Eth | $253,807.00 583,865.633 CRV | 0.8866% |
28 | Bitrue | CRV-USDT | $0.4347 0.0001393 Eth | $240,359.00 552,940.690 CRV | 0.8396% |
29 | Dex-Trade | CRV-USDT | $0.4338 0.0001391 Eth | $208,027.00 479,554.701 CRV | 0.7282% |
30 | Tokenize | CRV-USD | $0.433 0.0001388 Eth | $205,866.00 475,440.226 CRV | 0.7219% |
31 | Tokenize | CRV-SGD | $0.4329 0.0001388 Eth | $205,864.00 475,531.993 CRV | 0.7221% |
32 | FMFW.io | CRV-USDT | $0.4334 0.0001389 Eth | $190,991.00 440,648.000 CRV | 0.6691% |
33 | HitBTC | CRV-USDT | $0.4335 0.0001389 Eth | $189,750.00 439,777.900 CRV | 0.6678% |
34 | Tapbit | CRV-USDT | $0.4332 0.0001388 Eth | $185,603.00 429,709.200 CRV | 0.6525% |
35 | BingX | CRV-USDT | $0.4347 0.0001393 Eth | $169,313.00 391,915.901 CRV | 0.5951% |
36 | BitDelta | CRV-USDT | $0.4338 0.0001391 Eth | $161,497.00 373,513.800 CRV | 0.5672% |
37 | BitMart | CRV-USDT | $0.4339 0.0001390 Eth | $149,116.00 343,669.960 CRV | 0.5218% |
38 | XT.COM | CRV-BTC | $0.4332 0.0001388 Eth | $133,912.00 321,758.000 CRV | 0.4886% |
39 | LATOKEN | CRV-USDT | $0.4338 0.0001391 Eth | $120,818.00 278,512.770 CRV | 0.4229% |
40 | CoinTR Pro | CRV-USDT | $0.4339 0.0001390 Eth | $108,294.00 250,962.600 CRV | 0.3811% |
41 | Bitkub | CRV-THB | $0.4353 0.0001395 Eth | $106,779.00 245,324.412 CRV | 0.3725% |
42 | Gate.io | CRV-USDT | $0.4344 0.0001392 Eth | $102,851.00 237,787.002 CRV | 0.3611% |
43 | Icrypex | CRV-TRY | $0.4346 0.0001394 Eth | $87,174.00 200,597.944 CRV | 0.3046% |
44 | PointPay | CRV-USDT | $0.4339 0.0001391 Eth | $83,298.00 192,971.162 CRV | 0.2930% |
45 | Bitget | CRV-USDT | $0.435 0.0001394 Eth | $71,651.00 165,644.626 CRV | 0.2515% |
46 | P2B | CRV-USD | $0.434 0.0001390 Eth | $69,516.00 160,175.040 CRV | 0.2432% |
47 | Deepcoin | CRV-USDT | $0.4331 0.0001388 Eth | $69,348.00 161,673.200 CRV | 0.2455% |
48 | Toobit | CRV-USDT | $0.4351 0.0001394 Eth | $67,865.00 156,913.600 CRV | 0.2383% |
49 | P2B | CRV-USDT | $0.4341 0.0001391 Eth | $66,992.00 154,323.500 CRV | 0.2343% |
50 | Bitget | CRV-BTC | $0.4346 0.0001392 Eth | $62,644.00 144,844.457 CRV | 0.2199% |
51 | BtcTurk | Kripto | CRV-TRY | $0.4346 0.0001392 Eth | $60,949.00 140,250.329 CRV | 0.2130% |
52 | Slex | CRV-USDT | $0.4339 0.0001390 Eth | $59,399.00 137,593.900 CRV | 0.2089% |
53 | Paribu | CRV-TRY | $0.4323 0.0001386 Eth | $50,084.00 115,845.830 CRV | 0.1759% |
54 | BigONE | CRV-USDT | $0.4341 0.0001392 Eth | $49,434.00 113,878.655 CRV | 0.1729% |
55 | Bitvavo | CRV-EUR | $0.4353 0.0001395 Eth | $42,292.00 97,159.243 CRV | 0.1475% |
56 | MEXC | CRV-USDT | $0.434 0.0001391 Eth | $36,727.00 84,630.238 CRV | 0.1285% |
57 | Binance | CRV-BTC | $0.4333 0.0001388 Eth | $34,204.00 79,111.100 CRV | 0.1201% |
58 | BtcTurk | Kripto | CRV-USDT | $0.4335 0.0001389 Eth | $30,681.00 70,776.497 CRV | 0.1075% |
59 | Binance | CRV-TRY | $0.4348 0.0001393 Eth | $30,537.00 70,467.300 CRV | 0.1070% |
60 | Kraken | CRV-USD | $0.434 0.0001390 Eth | $28,017.00 64,555.346 CRV | 0.0980% |
61 | Upbit | CRV-BTC | $0.4306 0.0001379 Eth | $24,661.00 57,274.035 CRV | 0.0870% |
62 | Azbit | CRV-USDT | $0.4341 0.0001391 Eth | $21,379.00 49,422.298 CRV | 0.0750% |
63 | Uniswap V3 (Arbitrum One) | 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.4304 0.0001381 Eth | $21,377.00 49,666.652 0X11CDB42B0EB46D95F990BEDD4695A6E3FA034978 | 0.0754% |
64 | MEXC | CRV-ETH | $0.4341 0.0001391 Eth | $20,601.00 47,457.084 CRV | 0.0721% |
65 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.4348 0.0001394 Eth | $20,196.00 47,162.668 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0716% |
66 | Coinbase Exchange | CRV-EUR | $0.4347 0.0001393 Eth | $16,476.70 37,899.290 CRV | 0.0575% |
67 | Icrypex | CRV-USDT | $0.4328 0.0001389 Eth | $15,692.43 36,260.397 CRV | 0.0551% |
68 | Uniswap V3 (Ethereum) | 0X4E3FBD56CD56C3E72C1403E103B45DB9DA5B9D2B-0XD533A949740BB3306D119CC777FA900BA034CD52 | $0.4339 0.0001391 Eth | $13,911.53 5,683.626 0X4E3FBD56CD56C3E72C1403E103B45DB9DA5B9D2B | 0.0086% |
69 | Pionex | CRV-USDT | $0.4352 0.0001395 Eth | $12,542.87 29,056.135 CRV | 0.0441% |
70 | Indodax | CRV-IDR | $0.4368 0.0001399 Eth | $11,716.84 26,825.395 CRV | 0.0407% |
71 | CoinEx | CRV-USDT | $0.4342 0.0001392 Eth | $10,012.82 23,151.461 CRV | 0.0352% |
72 | Coinbase Exchange | CRV-GBP | $0.4345 0.0001392 Eth | $7,689.25 17,696.330 CRV | 0.0269% |
73 | OKX | CRV-BTC | $0.4339 0.0001390 Eth | $6,900.65 15,955.166 CRV | 0.0242% |
74 | Bitso | CRV-USD | $0.4349 0.0001394 Eth | $5,774.16 13,276.683 CRV | 0.0202% |
75 | Dex-Trade | CRV-BTC | $0.4344 0.0001393 Eth | $5,653.31 13,013.000 CRV | 0.0198% |
76 | Nominex | CRV-USDT | $0.4341 0.0001393 Eth | $4,921.70 11,338.364 CRV | 0.0172% |
77 | Bitstamp | CRV-EUR | $0.4305 0.0001381 Eth | $4,793.06 11,134.669 CRV | 0.0169% |
78 | Nonkyc.io | CRV-USDT | $0.4331 0.0001389 Eth | $4,450.47 10,287.291 CRV | 0.0156% |
79 | WhiteBIT | CRV-BTC | $0.4353 0.0001394 Eth | $4,332.08 9,952.800 CRV | 0.0151% |
80 | Bitfinex | CRV-USDT | $0.434 0.0001390 Eth | $4,273.81 9,848.590 CRV | 0.0150% |
81 | CoinEx | CRV-USDC | $0.4345 0.0001393 Eth | $4,184.97 9,672.433 CRV | 0.0147% |
82 | CoinEx | CRV-BTC | $0.4333 0.0001389 Eth | $4,033.97 9,340.554 CRV | 0.0142% |
83 | Bitazza | CRV-THB | $0.434 0.0001391 Eth | $3,581.57 8,249.500 CRV | 0.0125% |
84 | Cryptology | CRV-USDT | $0.4345 0.0001392 Eth | $3,409.92 7,847.900 CRV | 0.0119% |
85 | LATOKEN | CRV-BTC | $0.4352 0.0001395 Eth | $2,949.12 6,776.272 CRV | 0.0103% |
86 | TokoCrypto | CRV-USDT | $0.4337 0.0001391 Eth | $2,864.61 6,605.671 CRV | 0.0100% |
87 | Nonkyc.io | CRV-BTC | $0.4304 0.0001380 Eth | $1,606.53 3,725.722 CRV | 0.0057% |
88 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $0.4348 0.0001394 Eth | $1,353.48 3,147.797 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0048% |
89 | Crypto.com Exchange | CRV-USDT | $0.4348 0.0001393 Eth | $1,197.29 2,753.700 CRV | 0.0042% |
90 | Sushiswap (Polygon POS) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $0.4311 0.0001382 Eth | $631.16 1,466.669 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0022% |
91 | WOO X | CRV-USDT | $0.434 0.0001391 Eth | $620.82 1,430.532 CRV | 0.0022% |
92 | Bitfinex | CRV-USD | $0.4339 0.0001390 Eth | $487.26 1,122.961 CRV | 0.0017% |
93 | OKX | CRV-EUR | $0.43 0.0001377 Eth | $454.68 1,051.135 CRV | 0.0016% |
94 | Binance US | CRV-USDT | $0.4311 0.0001382 Eth | $369.90 858.044 CRV | 0.0013% |
95 | CEX.IO | CRV-EUR | $0.4374 0.0001401 Eth | $131.68 304.948 CRV | 0.0005% |
96 | CEX.IO | CRV-USDT | $0.4361 0.0001397 Eth | $112.72 261.354 CRV | 0.0004% |
97 | Uniswap V3 (Polygon) | 0X172370D5CD63279EFA6D502DAB29171933A610AF-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $0.4328 0.0001389 Eth | $98.96 229.412 0X172370D5CD63279EFA6D502DAB29171933A610AF | 0.0003% |
98 | CEX.IO | CRV-USD | $0.435 0.0001394 Eth | $16.48 38.020 CRV | 0.0001% |
99 | Coinmetro | CRV-USD | $0.4348 0.0001393 Eth | $0.00 0.000 CRV | 0.0000% |
100 | Coinmetro | CRV-EUR | $0.4344 0.0001392 Eth | $0.00 0.000 CRV | 0.0000% |
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
- No Contract Security Audit Submitted- Submit Audit Here
[{"name":"Transfer","inputs":[{"type":"address","name":"_from","indexed":true},{"type":"address","name":"_to","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"type":"address","name":"_owner","indexed":true},{"type":"address","name":"_spender","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"name":"UpdateMiningParameters","inputs":[{"type":"uint256","name":"time","indexed":false},{"type":"uint256","name":"rate","indexed":false},{"type":"uint256","name":"supply","indexed":false}],"anonymous":false,"type":"event"},{"name":"SetMinter","inputs":[{"type":"address","name":"minter","indexed":false}],"anonymous":false,"type":"event"},{"name":"SetAdmin","inputs":[{"type":"address","name":"admin","indexed":false}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"},{"type":"uint256","name":"_decimals"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"update_mining_parameters","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":148748},{"name":"start_epoch_time_write","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":149603},{"name":"future_epoch_time_write","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":149806},{"name":"available_supply","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":4018},{"name":"mintable_in_timeframe","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"start"},{"type":"uint256","name":"end"}],"stateMutability":"view","type":"function","gas":2216141},{"name":"set_minter","outputs":[],"inputs":[{"type":"address","name":"_minter"}],"stateMutability":"nonpayable","type":"function","gas":38698},{"name":"set_admin","outputs":[],"inputs":[{"type":"address","name":"_admin"}],"stateMutability":"nonpayable","type":"function","gas":37837},{"name":"totalSupply","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1421},{"name":"allowance","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"_owner"},{"type":"address","name":"_spender"}],"stateMutability":"view","type":"function","gas":1759},{"name":"transfer","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":75139},{"name":"transferFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":111433},{"name":"approve","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":39288},{"name":"mint","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":228030},{"name":"burn","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":74999},{"name":"set_name","outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"}],"stateMutability":"nonpayable","type":"function","gas":178270},{"name":"name","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":8063},{"name":"symbol","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":7116},{"name":"decimals","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1721},{"name":"balanceOf","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"arg0"}],"stateMutability":"view","type":"function","gas":1905},{"name":"minter","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1781},{"name":"admin","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1811},{"name":"mining_epoch","outputs":[{"type":"int128","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1841},{"name":"start_epoch_time","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1871},{"name":"rate","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1901}]
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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