Token Tether USD
Overview [ERC-20]
Price
$1.00 @ 0.000478 Eth (-0.03%)
Fully Diluted Market Cap
Max Total Supply:
264,957,130.17067 USDT
Holders:
189,000 ( -0.041%)
Contract:
Decimals:
6
Official Site:
[ Download CSV Export ]
[ Download CSV Export ]
OVERVIEW
Tether gives you the joint benefits of open blockchain technology and traditional currency by converting your cash into a stable digital currency equivalent.Market
Volume (24H) | : | $29,247,247,816.00 |
Market Capitalization | : | $89,376,567,760.00 |
Circulating Supply | : | 89,351,760,801.00 USDT |
Market Data Source: Coinmarketcap |
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $1,007,718,283.0000 26,659.717 BTC | 0.0008% |
2 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $620,701,250.0000 302,888.626 ETH | 0.0093% |
3 | ![]() | BTC-USDT | $0.9999 0.0004779 Eth | $567,473,697.0000 15,020.571 BTC | 0.0005% |
4 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $490,190,368.0000 12,885.991 BTC | 0.0004% |
5 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $412,313,008.0000 10,837.233 BTC | 0.0003% |
6 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $375,379,447.0000 183,558.263 ETH | 0.0056% |
7 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $352,873,555.0000 168,784.283 ETH | 0.0052% |
8 | ![]() | BTC-USDT | $0.9999 0.0004779 Eth | $315,347,895.0000 8,345.642 BTC | 0.0003% |
9 | ![]() | USDC-USDT | $1.0000 0.0004788 Eth | $312,238,551.0000 312,248,151.000 USDC | 9.5519% |
10 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $303,131,998.0000 144,938.729 ETH | 0.0044% |
11 | ![]() | BTC-USDT | $0.9998 0.0004780 Eth | $299,984,577.0000 7,889.331 BTC | 0.0002% |
12 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $293,688,018.0000 7,775.033 BTC | 0.0002% |
13 | ![]() | SOL-USDT | $1.0000 0.0004782 Eth | $288,813,262.0000 4,811,121.480 SOL | 0.1472% |
14 | ![]() | BTC-USDT | $0.9999 0.0004779 Eth | $277,765,213.0000 7,304.057 BTC | 0.0002% |
15 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $257,400,236.0000 6,764.963 BTC | 0.0002% |
16 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $246,072,990.0000 6,468.700 BTC | 0.0002% |
17 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $227,792,011.0000 110,833.297 ETH | 0.0034% |
18 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $221,427,282.0000 5,862.140 BTC | 0.0002% |
19 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $211,827,418.0000 101,285.021 ETH | 0.0031% |
20 | ![]() | BTC-USDT | $0.9999 0.0004779 Eth | $207,836,215.0000 5,500.486 BTC | 0.0002% |
21 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $202,796,576.0000 5,330.634 BTC | 0.0002% |
22 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $200,546,608.0000 95,888.823 ETH | 0.0029% |
23 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $199,220,351.0000 95,246.096 ETH | 0.0029% |
24 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $196,089,730.0000 95,673.972 ETH | 0.0029% |
25 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $181,196,131.0000 4,763.273 BTC | 0.0001% |
26 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $179,507,937.0000 4,749.913 BTC | 0.0001% |
27 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $175,191,776.0000 4,636.394 BTC | 0.0001% |
28 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $172,909,227.0000 84,398.624 ETH | 0.0026% |
29 | ![]() | FDUSD-USDT | $1.0000 0.0004788 Eth | $171,783,907.0000 171,802,385.000 FDUSD | 5.2556% |
30 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $164,443,355.0000 78,626.509 ETH | 0.0024% |
31 | ![]() | ETH-USDT | $0.9998 0.0004780 Eth | $162,503,403.0000 77,716.175 ETH | 0.0024% |
32 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $160,006,614.0000 4,232.486 BTC | 0.0001% |
33 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $158,398,171.0000 4,191.093 BTC | 0.0001% |
34 | ![]() | USDT-EUR | $1.0000 0.0004783 Eth | $157,433,223.0000 157,362,185.284 USDT | 4.8138% |
35 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $155,039,251.0000 155,004,699.200 USDC | 4.7417% |
36 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $146,721,202.0000 71,627.146 ETH | 0.0022% |
37 | ![]() | XRP-USDT | $1.0000 0.0004787 Eth | $143,595,265.0000 237,611,303.000 XRP | 7.2687% |
38 | ![]() | BTC-USDT | $0.9999 0.0004779 Eth | $138,727,984.0000 3,672.140 BTC | 0.0001% |
39 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $137,502,946.0000 67,141.238 ETH | 0.0021% |
40 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $135,964,218.0000 65,008.327 ETH | 0.0020% |
41 | ![]() | DOGE-USDT | $1.0000 0.0004789 Eth | $121,162,007.0000 1,465,900,369.000 DOGE | 44.8431% |
42 | ![]() | USDT-USD | $1.0000 0.0004781 Eth | $106,429,947.0000 106,410,792.848 USDT | 3.2552% |
43 | ![]() | USDT-USD | $1.0000 0.0004781 Eth | $106,045,923.0000 106,024,718.470 USDT | 3.2434% |
44 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $105,931,680.0000 50,675.644 ETH | 0.0016% |
45 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $102,034,628.0000 2,699.974 BTC | 0.0001% |
46 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $92,485,950.0000 45,182.863 ETH | 0.0014% |
47 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $79,189,381.0000 2,080.359 BTC | 0.0001% |
48 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $71,208,346.0000 1,884.304 BTC | 0.0001% |
49 | ![]() | LINK-USDT | $1.0000 0.0004788 Eth | $63,979,392.0000 4,415,565.170 LINK | 0.1351% |
50 | ![]() | XRP-USDT | $1.0000 0.0004782 Eth | $61,263,945.0000 100,318,275.210 XRP | 3.0688% |
51 | ![]() | USDC-USDT | $1.0000 0.0004781 Eth | $53,263,776.0000 53,268,289.186 USDC | 1.6295% |
52 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $50,019,568.0000 23,908.121 ETH | 0.0007% |
53 | ![]() | TUSD-USDT | $1.0000 0.0004787 Eth | $47,092,181.0000 47,163,497.000 TUSD | 1.4428% |
54 | ![]() | XRP-USDT | $1.0000 0.0004781 Eth | $28,792,527.0000 47,129,997.784 XRP | 1.4417% |
55 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $26,528,548.0000 697.220 BTC | 0.0000% |
56 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $26,371,339.0000 698.249 BTC | 0.0000% |
57 | ![]() | USDT-USD | $1.0000 0.0004782 Eth | $24,977,696.0000 24,972,701.385 USDT | 0.7639% |
58 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $24,756,001.0000 11,838.210 ETH | 0.0004% |
59 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $22,722,345.0000 597.227 BTC | 0.0000% |
60 | ![]() | ETH-USDT | $1.0000 0.0004781 Eth | $18,464,324.0000 9,013.596 ETH | 0.0003% |
61 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $17,577,954.0000 17,580,471.670 USDC | 0.5378% |
62 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $17,433,613.0000 458.331 BTC | 0.0000% |
63 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $16,160,304.0000 424.782 BTC | 0.0000% |
64 | ![]() | SOL-USDT | $1.0000 0.0004782 Eth | $15,351,855.0000 255,524.532 SOL | 0.0078% |
65 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $13,696,788.0000 6,546.884 ETH | 0.0002% |
66 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $13,412,724.0000 6,546.172 ETH | 0.0002% |
67 | ![]() | XRP-USDT | $1.0000 0.0004782 Eth | $13,135,760.0000 21,494,732.652 XRP | 0.6575% |
68 | ![]() | USDT-GBP | $1.0000 0.0004782 Eth | $12,910,697.0000 12,908,526.867 USDT | 0.3949% |
69 | ![]() | USDT-USDC | $1.0000 0.0004781 Eth | $11,886,839.0000 11,884,170.000 USDT | 0.3635% |
70 | ![]() | DOGE-USDT | $0.9999 0.0004779 Eth | $10,778,519.0000 128,397,092.000 DOGE | 3.9278% |
71 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $10,373,951.0000 10,373,361.830 USDC | 0.3173% |
72 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $10,327,206.0000 10,327,092.848 USDC | 0.3159% |
73 | ![]() | USDC-USDT | $0.9998 0.0004780 Eth | $9,584,747.0000 9,587,376.000 USDC | 0.2933% |
74 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $9,369,648.0000 9,367,667.379 USDC | 0.2866% |
75 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $8,698,640.0000 4,158.213 ETH | 0.0001% |
76 | ![]() | XRP-USDT | $1.0000 0.0004782 Eth | $8,531,339.0000 14,112,083.597 XRP | 0.4317% |
77 | ![]() | BTC-USDT | $1.0000 0.0004781 Eth | $8,392,326.0000 220.598 BTC | 0.0000% |
78 | ![]() | BTC-USDT | $1.0000 0.0004782 Eth | $6,971,966.0000 183.216 BTC | 0.0000% |
79 | ![]() | SOL-USDT | $1.0000 0.0004781 Eth | $6,557,932.0000 107,835.190 SOL | 0.0033% |
80 | ![]() | LTC-USDT | $1.0000 0.0004782 Eth | $6,061,088.0000 86,462.229 LTC | 0.0026% |
81 | ![]() | SOL-USDT | $0.9999 0.0004779 Eth | $5,336,617.0000 88,926.940 SOL | 0.0027% |
82 | ![]() | XRP-USDT | $1.0000 0.0004781 Eth | $3,633,268.0000 5,950,634.000 XRP | 0.1820% |
83 | ![]() | XRP-USDT | $1.0000 0.0004782 Eth | $3,433,633.0000 5,624,409.000 XRP | 0.1721% |
84 | ![]() | XRP-USDT | $1.0000 0.0004782 Eth | $3,403,766.0000 5,624,671.300 XRP | 0.1721% |
85 | ![]() | LINK-USDT | $1.0000 0.0004781 Eth | $2,937,038.0000 201,131.260 LINK | 0.0062% |
86 | ![]() | BNB-USDT | $1.0000 0.0004781 Eth | $2,580,652.0000 11,328.606 BNB | 0.0003% |
87 | ![]() | ETH-USDT | $0.9999 0.0004779 Eth | $2,558,293.0000 1,251.467 ETH | 0.0000% |
88 | ![]() | LINK-USDT | $0.9998 0.0004780 Eth | $2,325,743.0000 159,216.180 LINK | 0.0049% |
89 | ![]() | TUSD-USDT | $1.0000 0.0004782 Eth | $1,988,893.0000 1,991,416.575 TUSD | 0.0609% |
90 | ![]() | USDT-USD | $1.0050 0.0004807 Eth | $1,977,816.0000 1,967,192.870 USDT | 0.0602% |
91 | ![]() | USDC-USDT | $1.0000 0.0004782 Eth | $1,941,017.0000 1,940,906.811 USDC | 0.0594% |
92 | ![]() | INJ-USDT | $1.0000 0.0004782 Eth | $1,443,992.0000 81,183.078 INJ | 0.0025% |
93 | ![]() | USDT-EUR | $1.0000 0.0004783 Eth | $977,848.0000 978,196.000 USDT | 0.0299% |
94 | ![]() | USDC-USDT | $0.9999 0.0004779 Eth | $955,794.0000 943,593.614 USDC | 0.0289% |
95 | ![]() | ETH-USDT | $1.0000 0.0004782 Eth | $871,113.0000 416.598 ETH | 0.0000% |
96 | ![]() | LINK-USDT | $1.0000 0.0004781 Eth | $637,800.0000 44,016.570 LINK | 0.0013% |
97 | ![]() | SOL-USDT | $1.0000 0.0004782 Eth | $530,251.0000 8,714.141 SOL | 0.0003% |
98 | ![]() | USDT-USD | $1.0010 0.0004784 Eth | $310,256.0000 310,062.876 USDT | 0.0095% |
99 | ![]() | APT-USDT | $0.9998 0.0004780 Eth | $250,960.0000 35,651.870 APT | 0.0011% |
100 | ![]() | AAVE-USDT | $1.0000 0.0004781 Eth | $211,494.0000 2,169.780 AAVE | 0.0001% |
Contract Source Code Verified (Exact Match)
Contract Name:
USDT
Compiler Version
v0.7.6
Contract Source Code (Solidity)
/** *Submitted for verification at optimistic.etherscan.io on 2021-08-31 */ // Sources flattened with hardhat v2.3.3 https://hardhat.org // File @openzeppelin/contracts/utils/[email protected] // SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File @openzeppelin/contracts/token/ERC20/[email protected] pragma solidity >=0.6.0 <0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File @openzeppelin/contracts/math/[email protected] pragma solidity >=0.6.0 <0.8.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryDiv}. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } // File @openzeppelin/contracts/token/ERC20/[email protected] pragma solidity >=0.6.0 <0.8.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal virtual { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File @openzeppelin/contracts/introspection/[email protected] pragma solidity >=0.6.0 <0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File @eth-optimism/contracts/libraries/standards/[email protected] pragma solidity >=0.5.16 <0.8.0; interface IL2StandardERC20 is IERC20, IERC165 { function l1Token() external returns (address); function mint(address _to, uint256 _amount) external; function burn(address _from, uint256 _amount) external; event Mint(address indexed _account, uint256 _amount); event Burn(address indexed _account, uint256 _amount); } // File @eth-optimism/contracts/libraries/standards/[email protected] pragma solidity >=0.5.16 <0.8.0; contract L2StandardERC20 is IL2StandardERC20, ERC20 { address public override l1Token; address public l2Bridge; /** * @param _l1Token Address of the corresponding L1 token. * @param _name ERC20 name. * @param _symbol ERC20 symbol. */ constructor( address _l2Bridge, address _l1Token, string memory _name, string memory _symbol ) ERC20(_name, _symbol) { l1Token = _l1Token; l2Bridge = _l2Bridge; } modifier onlyL2Bridge { require(msg.sender == l2Bridge, "Only L2 Bridge can mint and burn"); _; } function supportsInterface(bytes4 _interfaceId) public override pure returns (bool) { bytes4 firstSupportedInterface = bytes4(keccak256("supportsInterface(bytes4)")); // ERC165 bytes4 secondSupportedInterface = IL2StandardERC20.l1Token.selector ^ IL2StandardERC20.mint.selector ^ IL2StandardERC20.burn.selector; return _interfaceId == firstSupportedInterface || _interfaceId == secondSupportedInterface; } function mint(address _to, uint256 _amount) public override onlyL2Bridge { _mint(_to, _amount); emit Mint(_to, _amount); } function burn(address _from, uint256 _amount) public override onlyL2Bridge { _burn(_from, _amount); emit Burn(_from, _amount); } } // File contracts/USDT.sol pragma solidity >=0.5.16 <0.8.0; contract USDT is L2StandardERC20 { constructor( address _l2Bridge, address _l1Token ) L2StandardERC20(_l2Bridge, _l1Token, "Tether USD", "USDT") { _setupDecimals(6); } using SafeMath for uint256; /** * @dev Fix for the ERC20 short address attack. */ modifier onlyPayloadSize(uint size) { require(!(msg.data.length < size + 4)); _; } function transfer(address recipient, uint256 amount) public onlyPayloadSize(2 * 32) override returns (bool) { return super.transfer(recipient, amount); } function transferFrom(address sender, address recipient, uint256 amount) public onlyPayloadSize(2 * 32) override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = allowance(sender, _msgSender()); if (currentAllowance < type(uint).max) { _approve(sender, _msgSender(), currentAllowance.sub(amount, "ERC20: transfer amount exceeds allowance")); } return true; } function approve(address spender, uint256 amount) public onlyPayloadSize(2 * 32) override returns (bool) { return super.approve(spender, amount); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_l2Bridge","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"}],"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":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Mint","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":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"l1Token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2Bridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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)
0000000000000000000000004200000000000000000000000000000000000010000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7
-----Decoded View---------------
Arg [0] : _l2Bridge (address): 0x4200000000000000000000000000000000000010
Arg [1] : _l1Token (address): 0xdAC17F958D2ee523a2206206994597C13D831ec7
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004200000000000000000000000000000000000010
Arg [1] : 000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7
Deployed ByteCode Sourcemap
25410:1295:0:-:0;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;24552:463;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;13548:91;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;26528:174;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;14647:108;;;:::i;:::-;;;;;;;;;;;;;;;;;;;26054:466;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;14491:91;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;17075:218;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;25023:147;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;14818:127;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;13758:95;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;25178:153;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;17796:269;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;25866:180;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;23998:23;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;23960:31;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;15396:151;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;24552:463;24630:4;24647:30;24687:38;24647:79;;24747:31;24876:30;;;24830;;;24781:33;;;:79;:125;24747:159;;24940:23;24924:39;;;:12;:39;;;;:83;;;;24983:24;24967:40;;;:12;:40;;;;24924:83;24917:90;;;;24552:463;;;:::o;13548:91::-;13593:13;13626:5;13619:12;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;13548:91;:::o;26528:174::-;26637:4;26606:6;25835:1;25828:4;:8;25810;;:15;;:26;25808:29;25800:38;;;;;;:::i;:::-;;;;26664:30:::1;26678:7;26687:6;26664:13;:30::i;:::-;26657:37;;26528:174:::0;;;;;:::o;14647:108::-;14708:7;14735:12;;;:::i;:::-;14728:19;;14647:108;:::o;26054:466::-;26186:4;26155:6;25835:1;25828:4;:8;25810;;:15;;:26;25808:29;25800:38;;;;;;:::i;:::-;;;;26206:36:::1;26216:6;26224:9;26235:6;26206:9;:36::i;:::-;26253:24;26280:31;26290:6;26298:12;:10;:12::i;:::-;26280:9;:31::i;:::-;26253:58;;26343:14;26324:16;:33;26320:171;;;26377:104;26386:6;26394:12;:10;:12::i;:::-;26408:72;26429:6;26408:72;;;;;;;;;;;;;;;;;:16;:20;;:72;;;;;:::i;:::-;26377:8;:104::i;:::-;26320:171;26508:4;26501:11;;;26054:466:::0;;;;;;:::o;14491:91::-;14540:5;14565:9;;;;;:::i;:::-;;;;;;;;14558:16;;14491:91;:::o;17075:218::-;17163:4;17180:83;17189:12;:10;:12::i;:::-;17203:7;17212:50;17251:10;17212:11;:25;17224:12;:10;:12::i;:::-;17212:25;;;;;;;;;;;;;;;:34;17238:7;17212:34;;;;;;;;;;;;;;;;;:::i;:::-;:38;;:50;;;;:::i;:::-;17180:8;:83::i;:::-;17281:4;17274:11;;17075:218;;;;:::o;25023:147::-;24479:8;;;;;:::i;:::-;;;;;;;;24465:22;;:10;;;:::i;:::-;:22;;;24457:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;25107:19:::1;25113:3;25118:7;25107:5;:19::i;:::-;25149:3;25144:18;;;25154:7;25144:18;;;;;;;;;;;;;;;;;;25023:147:::0;;:::o;14818:127::-;14892:7;14919:9;:18;14929:7;14919:18;;;;;;;;;;;;;;;;;:::i;:::-;14912:25;;14818:127;;;:::o;13758:95::-;13805:13;13838:7;13831:14;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;13758:95;:::o;25178:153::-;24479:8;;;;;:::i;:::-;;;;;;;;24465:22;;:10;;;:::i;:::-;:22;;;24457:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;25264:21:::1;25270:5;25277:7;25264:5;:21::i;:::-;25308:5;25303:20;;;25315:7;25303:20;;;;;;;;;;;;;;;;;;25178:153:::0;;:::o;17796:269::-;17889:4;17906:129;17915:12;:10;:12::i;:::-;17929:7;17938:96;17977:15;17938:96;;;;;;;;;;;;;;;;;:11;:25;17950:12;:10;:12::i;:::-;17938:25;;;;;;;;;;;;;;;:34;17964:7;17938:34;;;;;;;;;;;;;;;;;:::i;:::-;:38;;:96;;;;;:::i;:::-;17906:8;:129::i;:::-;18053:4;18046:11;;17796:269;;;;:::o;25866:180::-;25978:4;25947:6;25835:1;25828:4;:8;25810;;:15;;:26;25808:29;25800:38;;;;;;:::i;:::-;;;;26005:33:::1;26020:9;26031:6;26005:14;:33::i;:::-;25998:40;;25866:180:::0;;;;;:::o;23998:23::-;;;;;;:::i;:::-;;;;;;;;;:::o;23960:31::-;;;;;;:::i;:::-;;;;;;;;;:::o;15396:151::-;15485:7;15512:11;:18;15524:5;15512:18;;;;;;;;;;;;;;;:27;15531:7;15512:27;;;;;;;;;;;;;;;;;:::i;:::-;15505:34;;15396:151;;;;:::o;15694:169::-;15777:4;15794:39;15803:12;:10;:12::i;:::-;15817:7;15826:6;15794:8;:39::i;:::-;15851:4;15844:11;;15694:169;;;;:::o;18555:539::-;18679:1;18661:20;;:6;:20;;;;18653:70;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;18763:1;18742:23;;:9;:23;;;;18734:71;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;18818:47;18839:6;18847:9;18858:6;18818:20;:47::i;:::-;18898:71;18920:6;18898:71;;;;;;;;;;;;;;;;;:9;:17;18908:6;18898:17;;;;;;;;;;;;;;;;;:::i;:::-;:21;;:71;;;;;:::i;:::-;18878:9;:17;18888:6;18878:17;;;;;;;;;;;;;;;:91;;;;:::i;:::-;;;;19003:32;19028:6;19003:9;:20;19013:9;19003:20;;;;;;;;;;;;;;;;;:::i;:::-;:24;;:32;;;;:::i;:::-;18980:9;:20;18990:9;18980:20;;;;;;;;;;;;;;;:55;;;;:::i;:::-;;;;19068:9;19051:35;;19060:6;19051:35;;;19079:6;19051:35;;;;;;;;;;;;;;;;;;18555:539;;;:::o;737:106::-;790:15;825:10;;;:::i;:::-;818:17;;737:106;:::o;9536:166::-;9622:7;9655:1;9650;:6;;9658:12;9642:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;9693:1;9689;:5;9682:12;;9536:166;;;;;:::o;20943:346::-;21062:1;21045:19;;:5;:19;;;;21037:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;21143:1;21124:21;;:7;:21;;;;21116:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;21227:6;21197:11;:18;21209:5;21197:18;;;;;;;;;;;;;;;:27;21216:7;21197:27;;;;;;;;;;;;;;;:36;;;;:::i;:::-;;;;21265:7;21249:32;;21258:5;21249:32;;;21274:6;21249:32;;;;;;;;;;;;;;;;;;20943:346;;;:::o;6709:179::-;6767:7;6787:9;6803:1;6799;:5;6787:17;;6828:1;6823;:6;;6815:46;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;6879:1;6872:8;;;6709:179;;;;:::o;19376:378::-;19479:1;19460:21;;:7;:21;;;;19452:65;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;19530:49;19559:1;19563:7;19572:6;19530:20;:49::i;:::-;19607:24;19624:6;19607:12;;;:::i;:::-;:16;;:24;;;;:::i;:::-;19592:12;:39;;;;:::i;:::-;;;;19663:30;19686:6;19663:9;:18;19673:7;19663:18;;;;;;;;;;;;;;;;;:::i;:::-;:22;;:30;;;;:::i;:::-;19642:9;:18;19652:7;19642:18;;;;;;;;;;;;;;;:51;;;;:::i;:::-;;;;19730:7;19709:37;;19726:1;19709:37;;;19739:6;19709:37;;;;;;;;;;;;;;;;;;19376:378;;:::o;20087:418::-;20190:1;20171:21;;:7;:21;;;;20163:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;20243:49;20264:7;20281:1;20285:6;20243:20;:49::i;:::-;20326:68;20349:6;20326:68;;;;;;;;;;;;;;;;;:9;:18;20336:7;20326:18;;;;;;;;;;;;;;;;;:::i;:::-;:22;;:68;;;;;:::i;:::-;20305:9;:18;20315:7;20305:18;;;;;;;;;;;;;;;:89;;;;:::i;:::-;;;;20420:24;20437:6;20420:12;;;:::i;:::-;:16;;:24;;;;:::i;:::-;20405:12;:39;;;;:::i;:::-;;;;20486:1;20460:37;;20469:7;20460:37;;;20490:6;20460:37;;;;;;;;;;;;;;;;;;20087:418;;:::o;15158:175::-;15244:4;15261:42;15271:12;:10;:12::i;:::-;15285:9;15296:6;15261:9;:42::i;:::-;15321:4;15314:11;;15158:175;;;;:::o;22322:92::-;;;;:::o;7171:158::-;7229:7;7262:1;7257;:6;;7249:49;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;7320:1;7316;:5;7309:12;;7171:158;;;;:::o;-1:-1:-1:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o