Feature Tip: Add private address tag to any address under My Name Tag !
Overview
Max Total Supply
26,275,606,785.961008 USDC
Holders
2,355,575 ( 0.038%)
Market
Price
$1.00 @ 0.000409 ETH (-0.01%)
Onchain Market Cap
$26,269,957,530.50
Circulating Supply Market Cap
$35,579,043,621.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $1.00 0.0004097 Eth | $308,891,681.00 4,968.864 BTC | 0.0000% |
2 | Bybit | ETH-USDC | $1.00 0.0004097 Eth | $151,149,108.00 62,448.758 ETH | 0.0000% |
3 | Aerodrome SlipStream | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9999 0.0004099 Eth | $115,363,432.00 47,640.856 0X4200000000000000000000000000000000000006 | 0.0000% |
4 | Azbit | BTC-USDC | $0.9997 0.0004099 Eth | $89,297,691.00 1,439.320 BTC | 0.0000% |
5 | DigiFinex | BTC-USDC | $0.9993 0.0004095 Eth | $87,814,246.00 1,401.465 BTC | 0.0000% |
6 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9998 0.0004099 Eth | $58,684,272.00 24,241.952 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
7 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004099 Eth | $52,160,052.00 363,056.681 SO11111111111111111111111111111111111111112 | 0.0000% |
8 | DODO (BSC) | 0X55D398326F99059FF775485246999027B3197955-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $0.9991 0.0004091 Eth | $46,623,702.00 46,712,771.762 0X55D398326F99059FF775485246999027B3197955 | 0.0058% |
9 | DigiFinex | ETH-USDC | $0.9993 0.0004095 Eth | $38,669,600.00 15,845.575 ETH | 0.0000% |
10 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9987 0.0004092 Eth | $35,054,994.00 34,822,000.033 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0044% |
11 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004098 Eth | $29,874,189.00 208,179.842 SO11111111111111111111111111111111111111112 | 0.0000% |
12 | Biconomy.com | ETH-USDC | $0.9998 0.0004099 Eth | $28,766,155.00 11,898.631 ETH | 0.0000% |
13 | Bybit | SOL-USDC | $1.00 0.0004097 Eth | $22,107,525.00 153,624.591 SOL | 0.0000% |
14 | LBank | ETH-USDC | $0.9999 0.0004099 Eth | $19,941,787.00 8,174.633 ETH | 0.0000% |
15 | Coinbase Exchange | USDT-USDC | $1.00 0.0004098 Eth | $19,820,875.00 19,822,633.150 USDT | 0.0025% |
16 | Azbit | BNB-USDC | $0.9997 0.0004099 Eth | $19,646,900.00 34,900.406 BNB | 0.0000% |
17 | Hotcoin | BTC-USDC | $1.001 0.0004098 Eth | $19,606,995.00 312.530 BTC | 0.0000% |
18 | Tapbit | BTC-USDC | $1.00 0.0004097 Eth | $19,116,136.00 307.625 BTC | 0.0000% |
19 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004098 Eth | $18,733,069.00 130,360.212 SO11111111111111111111111111111111111111112 | 0.0000% |
20 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9995 0.0004098 Eth | $18,671,163.00 18,554,327.449 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0023% |
21 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004099 Eth | $17,179,975.00 119,203.643 SO11111111111111111111111111111111111111112 | 0.0000% |
22 | Biconomy.com | BTC-USDC | $0.9998 0.0004099 Eth | $15,973,220.00 257.393 BTC | 0.0000% |
23 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9999 0.0004094 Eth | $14,659,188.00 14,683,056.303 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0018% |
24 | OKX | BTC-USDC | $1.001 0.0004097 Eth | $14,510,442.00 233.050 BTC | 0.0000% |
25 | Azbit | SOL-USDC | $0.9997 0.0004099 Eth | $13,212,217.00 92,233.493 SOL | 0.0000% |
26 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $0.9999 0.0004099 Eth | $12,663,992.00 12,586,460.949 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 0.0016% |
27 | WhiteBIT | ETH-USDC | $0.9999 0.0004099 Eth | $12,038,493.00 4,934.119 ETH | 0.0000% |
28 | OKX | ETH-USDC | $0.9998 0.0004098 Eth | $11,858,597.00 4,891.108 ETH | 0.0000% |
29 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004099 Eth | $11,068,495.00 11,070,407.302 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0014% |
30 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.001 0.0004102 Eth | $11,044,934.00 177.393 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0000% |
31 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9998 0.0004099 Eth | $10,896,179.00 417,820.297 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0001% |
32 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004098 Eth | $10,675,718.00 74,260.240 SO11111111111111111111111111111111111111112 | 0.0000% |
33 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004099 Eth | $10,559,923.00 77,625,251.915 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0097% |
34 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004099 Eth | $10,101,332.00 3,052,062.629 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0004% |
35 | Cube | BTC-USDC | $0.9999 0.0004099 Eth | $9,310,043.00 149.878 BTC | 0.0000% |
36 | PancakeSwap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004100 Eth | $8,937,305.00 8,920,518.220 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0011% |
37 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9999 0.0004099 Eth | $7,843,993.00 7,844,447.006 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0010% |
38 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9997 0.0004098 Eth | $7,704,967.00 7,706,633.877 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0010% |
39 | Azbit | ETH-USDC | $0.9997 0.0004099 Eth | $6,889,811.00 2,849.643 ETH | 0.0000% |
40 | Uniswap V3 (Ethereum) | 0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9998 0.0004099 Eth | $6,424,000.00 6,425,344.190 0X6B175474E89094C44DA98B954EEDEAC495271D0F | 0.0008% |
41 | Binance | PEPE-USDC | $1.00 0.0004098 Eth | $6,317,011.00 657,181,848,416.000 PEPE | 82.2169% |
42 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9994 0.0004097 Eth | $6,157,817.00 6,118,417.729 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0008% |
43 | Azbit | LTC-USDC | $0.9997 0.0004099 Eth | $6,018,553.00 90,346.880 LTC | 0.0000% |
44 | LATOKEN | USDC-USDT | $1.00 0.0004101 Eth | $5,392,689.00 5,392,316.059 USDC | 0.0007% |
45 | Dexalot | AVAX-USDC | $0.9995 0.0004099 Eth | $5,141,067.00 198,088.347 AVAX | 0.0000% |
46 | Coins.ph | USDC-PHP | $1.00 0.0004100 Eth | $5,097,958.00 5,097,796.060 USDC | 0.0006% |
47 | Meteora | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $1.00 0.0004100 Eth | $5,063,375.00 5,062,578.666 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0006% |
48 | Hotcoin | ETH-USDC | $1.00 0.0004097 Eth | $4,720,649.00 1,932.233 ETH | 0.0000% |
49 | Raydium (CLMM) | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $0.9997 0.0004097 Eth | $4,622,810.00 4,623,908.873 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0006% |
50 | Bitget | BTC-USDC | $1.00 0.0004098 Eth | $4,340,495.00 69.924 BTC | 0.0000% |
51 | XT.COM | ETH-USDC | $1.00 0.0004099 Eth | $4,338,946.00 1,791.494 ETH | 0.0000% |
52 | Binance | WIF-USDC | $1.00 0.0004099 Eth | $3,724,416.00 1,614,735.450 WIF | 0.0002% |
53 | Binance | FET-USDC | $0.9997 0.0004098 Eth | $3,719,432.00 2,626,348.600 FET | 0.0003% |
54 | Bitget | ETH-USDC | $1.00 0.0004098 Eth | $3,516,736.00 1,453.821 ETH | 0.0000% |
55 | Binance | ARB-USDC | $0.9989 0.0004098 Eth | $3,474,986.00 6,297,607.900 ARB | 0.0008% |
56 | Coinbase Exchange | USDC-EUR | $0.9998 0.0004098 Eth | $3,373,920.00 3,374,590.830 USDC | 0.0004% |
57 | Deribit Spot | BTC-USDC | $0.9997 0.0004098 Eth | $2,851,890.00 45.946 BTC | 0.0000% |
58 | PointPay | BTC-USDC | $1.00 0.0004098 Eth | $2,744,143.00 44.057 BTC | 0.0000% |
59 | HTX | ETH-USDC | $1.00 0.0004098 Eth | $2,735,032.00 1,129.599 ETH | 0.0000% |
60 | Dexalot | ETH-USDC | $0.9995 0.0004099 Eth | $2,728,837.00 1,127.584 ETH | 0.0000% |
61 | HTX | BTC-USDC | $1.00 0.0004098 Eth | $2,642,777.00 42.548 BTC | 0.0000% |
62 | Binance | SEI-USDC | $1.001 0.0004105 Eth | $2,356,627.00 5,679,257.800 SEI | 0.0007% |
63 | Dexalot | BTC-USDC | $0.9995 0.0004100 Eth | $2,337,501.00 37.640 BTC | 0.0000% |
64 | Binance | WLD-USDC | $0.9997 0.0004098 Eth | $2,195,937.00 1,181,477.200 WLD | 0.0001% |
65 | Dex-Trade | USDC-USDT | $1.00 0.0004100 Eth | $2,100,508.00 2,100,198.000 USDC | 0.0003% |
66 | LBank | FIL-USDC | $0.9999 0.0004099 Eth | $2,019,012.00 549,441.439 FIL | 0.0001% |
67 | Dex-Trade | BTC-USDC | $0.9999 0.0004099 Eth | $1,905,282.00 30.408 BTC | 0.0000% |
68 | Bybit | SHIB-USDC | $1.00 0.0004097 Eth | $1,891,596.00 106,945,322,694.700 SHIB | 13.3794% |
69 | Coinstore | USDC-USDT | $1.00 0.0004100 Eth | $1,570,108.00 1,567,989.960 USDC | 0.0002% |
70 | Dexalot | USDT-USDC | $0.9995 0.0004099 Eth | $1,224,329.00 1,224,912.936 USDT | 0.0002% |
71 | Slex | ETH-USDC | $1.00 0.0004098 Eth | $1,224,272.00 505.471 ETH | 0.0000% |
72 | Deribit Spot | ETH-USDC | $0.9998 0.0004098 Eth | $1,127,931.00 468.699 ETH | 0.0000% |
73 | WhiteBIT | ADA-USDC | $0.9999 0.0004099 Eth | $1,116,798.00 3,154,194.500 ADA | 0.0004% |
74 | PointPay | USDC-USDT | $1.00 0.0004098 Eth | $1,102,841.00 1,102,710.505 USDC | 0.0001% |
75 | Bybit | AVAX-USDC | $1.00 0.0004097 Eth | $1,056,920.00 40,570.062 AVAX | 0.0000% |
76 | PointPay | ETH-USDC | $1.00 0.0004098 Eth | $1,046,358.00 431.998 ETH | 0.0000% |
77 | Bybit | DOGE-USDC | $1.00 0.0004097 Eth | $1,038,922.00 9,475,578.800 DOGE | 0.0012% |
78 | Binance US | BTC-USDC | $0.9997 0.0004098 Eth | $995,296.00 15.901 BTC | 0.0000% |
79 | WhiteBIT | XRP-USDC | $0.9999 0.0004099 Eth | $974,444.00 1,825,037.500 XRP | 0.0002% |
80 | Binance | 1000SATS-USDC | $1.00 0.0004098 Eth | $891,660.00 3,209,917,797.000 1000SATS | 0.4016% |
81 | Cube | SOL-USDC | $1.00 0.0004100 Eth | $868,027.00 6,070.345 SOL | 0.0000% |
82 | Backpack Exchange | SOL-USDC | $1.001 0.0004101 Eth | $841,887.00 5,850.570 SOL | 0.0000% |
83 | Deribit Spot | SOL-USDC | $0.9998 0.0004098 Eth | $835,926.00 5,813.100 SOL | 0.0000% |
84 | BYDFi | XRP-USDC | $0.9998 0.0004098 Eth | $790,076.00 1,479,225.000 XRP | 0.0002% |
85 | OKX | XRP-USDC | $0.9998 0.0004098 Eth | $692,946.00 1,303,959.252 XRP | 0.0002% |
86 | OKX | SHIB-USDC | $0.9998 0.0004098 Eth | $563,041.00 31,642,738,819.000 SHIB | 3.9587% |
87 | PointPay | SOL-USDC | $1.00 0.0004098 Eth | $525,225.00 3,650.179 SOL | 0.0000% |
88 | Tokpie | USDT-USDC | $0.9997 0.0004099 Eth | $471,977.00 472,016.560 USDT | 0.0001% |
89 | BYDFi | ETH-USDC | $1.00 0.0004097 Eth | $455,599.00 186.471 ETH | 0.0000% |
90 | BitMart | TUSD-USDC | $1.00 0.0004099 Eth | $426,595.00 427,564.400 TUSD | 0.0001% |
91 | FameEX | USDC-USDT | $1.00 0.0004100 Eth | $303,721.00 303,745.034 USDC | 0.0000% |
92 | OKX | NEAR-USDC | $0.9998 0.0004098 Eth | $299,801.00 63,331.392 NEAR | 0.0000% |
93 | Dexalot | ARB-USDC | $0.9995 0.0004099 Eth | $289,913.00 527,018.279 ARB | 0.0001% |
94 | Dex-Trade | SOL-USDC | $0.9999 0.0004099 Eth | $271,622.00 1,868.718 SOL | 0.0000% |
95 | LBank | DOT-USDC | $0.9999 0.0004099 Eth | $225,972.00 54,079.500 DOT | 0.0000% |
96 | OKX | DOGE-USDC | $0.9998 0.0004098 Eth | $207,026.00 1,880,020.910 DOGE | 0.0002% |
97 | Bitstamp | USDC-USDT | $1.00 0.0004098 Eth | $168,278.00 168,266.684 USDC | 0.0000% |
98 | OrangeX | USDC-USDT | $1.00 0.0004099 Eth | $153,612.00 153,597.000 USDC | 0.0000% |
99 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0004085 Eth | $116,609.00 17,038.791 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0000% |
100 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0004085 Eth | $111,866.00 202,634.030 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0000% |
Contract Name:
FiatTokenProxy
Compiler Version
v0.4.24+commit.e67f0147
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2018-08-03 */ pragma solidity ^0.4.24; // File: zos-lib/contracts/upgradeability/Proxy.sol /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize) } default { return(0, returndatasize) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal { } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: openzeppelin-solidity/contracts/AddressUtils.sol /** * Utility library of inline functions on addresses */ library AddressUtils { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param addr address to check * @return whether the target address is a contract */ function isContract(address addr) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solium-disable-next-line security/no-inline-assembly assembly { size := extcodesize(addr) } return size > 0; } } // File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol /** * @title UpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract UpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is * validated in the constructor. */ bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3; /** * @dev Contract constructor. * @param _implementation Address of the initial implementation. */ constructor(address _implementation) public { assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation")); _setImplementation(_implementation); } /** * @dev Returns the current implementation. * @return Address of the current implementation */ function _implementation() internal view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) private { require(AddressUtils.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol /** * @title AdminUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract AdminUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Emitted when the administration has been transferred. * @param previousAdmin Address of the previous admin. * @param newAdmin Address of the new admin. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is * validated in the constructor. */ bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b; /** * @dev Modifier to check whether the `msg.sender` is the admin. * If it is, it will run the function. Otherwise, it will delegate the call * to the implementation. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * Contract constructor. * It sets the `msg.sender` as the proxy administrator. * @param _implementation address of the initial implementation. */ constructor(address _implementation) UpgradeabilityProxy(_implementation) public { assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view ifAdmin returns (address) { return _implementation(); } /** * @dev Changes the admin of the proxy. * Only the current admin can call this function. * @param newAdmin Address to transfer proxy administration to. */ function changeAdmin(address newAdmin) external ifAdmin { require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address"); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be * called, as described in * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes data) payable external ifAdmin { _upgradeTo(newImplementation); require(address(this).call.value(msg.value)(data)); } /** * @return The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; assembly { adm := sload(slot) } } /** * @dev Sets the address of the proxy admin. * @param newAdmin Address of the new proxy admin. */ function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; assembly { sstore(slot, newAdmin) } } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } } // File: contracts/FiatTokenProxy.sol /** * Copyright CENTRE SECZ 2018 * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is furnished to * do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ pragma solidity ^0.4.24; /** * @title FiatTokenProxy * @dev This contract proxies FiatToken calls and enables FiatToken upgrades */ contract FiatTokenProxy is AdminUpgradeabilityProxy { constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) { } }
Contract Security Audit
- Callisto Network - Apr 7th, 2023 - Security Audit Report
[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
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)
0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
-----Decoded View---------------
Arg [0] : _implementation (address): 0x0882477e7895bdC5cea7cB1552ed914aB157Fe56
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
Swarm Source
bzzr://a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed24
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