ETH Price: $3,363.16 (-0.46%)

Token

DefaultCollateral_mETH (DC_mETH)
 

Overview

Max Total Supply

34,620.350406256547628269 DC_mETH

Holders

4,076 ( -0.025%)
Created with Highcharts 10.2.1

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.963676178838869658 DC_mETH

Value
$0.00
0xe7319caa8a20de0b2e963e9a10978f028d12b833
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OVERVIEW

Symbiotic is a shared security protocol that serves as a thin coordination layer, empowering network builders to control and adapt their own (re)staking implementation in a permissionless manner.

# Exchange Pair Price  24H Volume % Volume

Minimal Proxy Contract for 0xa301ea1e3cab036abe8fa70e5526a51cb41799b6

Contract Name:
DefaultCollateral

Compiler Version
v0.8.25+commit.b61c2a91

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 18 : DefaultCollateral.sol
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;
import {IDefaultCollateral} from "src/interfaces/defaultCollateral/IDefaultCollateral.sol";
import {ICollateral} from "src/interfaces/ICollateral.sol";
import {Permit2Lib} from "src/contracts/libraries/Permit2Lib.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import {ERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
contract DefaultCollateral is ERC20Upgradeable, ReentrancyGuardUpgradeable, IDefaultCollateral {
using SafeERC20 for IERC20;
using Permit2Lib for IERC20;
uint8 private DECIMALS;
/**
* @inheritdoc ICollateral
*/
address public asset;
/**
* @inheritdoc ICollateral
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File 2 of 18 : IDefaultCollateral.sol
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;
import {ICollateral} from "src/interfaces/ICollateral.sol";
interface IDefaultCollateral is ICollateral {
error NotLimitIncreaser();
error InsufficientDeposit();
error ExceedsLimit();
error InsufficientWithdraw();
error InsufficientIssueDebt();
/**
* @notice Emmited when deposit happens.
* @param depositor address of the depositor
* @param recipient address of the collateral's recipient
* @param amount amount of the collateral minted
*/
event Deposit(address indexed depositor, address indexed recipient, uint256 amount);
/**
* @notice Emmited when withdrawal happens.
* @param withdrawer address of the withdrawer
* @param recipient address of the underlying asset's recipient
* @param amount amount of the collateral burned
*/
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File 3 of 18 : ICollateral.sol
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface ICollateral is IERC20 {
/**
* @notice Emitted when debt is issued.
* @param issuer address of the debt's issuer
* @param recipient address that should receive the underlying asset
* @param debtIssued amount of the debt issued
*/
event IssueDebt(address indexed issuer, address indexed recipient, uint256 debtIssued);
/**
* @notice Emitted when debt is repaid.
* @param issuer address of the debt's issuer
* @param recipient address that received the underlying asset
* @param debtRepaid amount of the debt repaid
*/
event RepayDebt(address indexed issuer, address indexed recipient, uint256 debtRepaid);
/**
* @notice Get the collateral's underlying asset.
* @return asset address of the underlying asset
*/
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File 4 of 18 : Permit2Lib.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import {IDAIPermit} from "permit2/src/interfaces/IDAIPermit.sol";
import {IAllowanceTransfer} from "permit2/src/interfaces/IAllowanceTransfer.sol";
import {SafeCast160} from "permit2/src/libraries/SafeCast160.sol";
/// @title Permit2Lib
/// @notice Enables efficient transfers and EIP-2612/DAI
/// permits for any token by falling back to Permit2.
/// @author Modified from Uniswap (https://github.com/Uniswap/permit2/blob/main/src/libraries/Permit2Lib.sol)
library Permit2Lib {
using SafeCast160 for uint256;
/*//////////////////////////////////////////////////////////////
CONSTANTS
//////////////////////////////////////////////////////////////*/
/// @dev The unique EIP-712 domain domain separator for the DAI token contract.
bytes32 internal constant DAI_DOMAIN_SEPARATOR = 0xdbb8cf42e1ecb028be3f3dbc922e1d878b963f411dc388ced501601c60f7c6f7;
/// @dev The address for the WETH9 contract on Ethereum mainnet, encoded as a bytes32.
bytes32 internal constant WETH9_ADDRESS = 0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2;
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File 5 of 18 : ReentrancyGuardUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuardUpgradeable is Initializable {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
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File 6 of 18 : ERC20Upgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @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}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
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File 7 of 18 : IERC20.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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);
/**
* @dev Returns the value of tokens in existence.
*/
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File 8 of 18 : IERC20Metadata.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
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File 9 of 18 : SafeERC20.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
/**
* @dev An operation with an ERC20 token failed.
*/
error SafeERC20FailedOperation(address token);
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File 10 of 18 : IERC20Permit.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* ==== Security Considerations
*
* There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
* expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
* considered as an intention to spend the allowance in any specific way. The second is that because permits have
* built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
* take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
* generally recommended is:
*
* ```solidity
* function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
* try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
* doThing(..., value);
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File 11 of 18 : IDAIPermit.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IDAIPermit {
/// @param holder The address of the token owner.
/// @param spender The address of the token spender.
/// @param nonce The owner's nonce, increases at each call to permit.
/// @param expiry The timestamp at which the permit is no longer valid.
/// @param allowed Boolean that sets approval amount, true for type(uint256).max and false for 0.
/// @param v Must produce valid secp256k1 signature from the owner along with r and s.
/// @param r Must produce valid secp256k1 signature from the owner along with v and s.
/// @param s Must produce valid secp256k1 signature from the owner along with r and v.
function permit(
address holder,
address spender,
uint256 nonce,
uint256 expiry,
bool allowed,
uint8 v,
bytes32 r,
bytes32 s
) external;
}
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File 12 of 18 : IAllowanceTransfer.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IEIP712} from "./IEIP712.sol";
/// @title AllowanceTransfer
/// @notice Handles ERC20 token permissions through signature based allowance setting and ERC20 token transfers by checking allowed amounts
/// @dev Requires user's token approval on the Permit2 contract
interface IAllowanceTransfer is IEIP712 {
/// @notice Thrown when an allowance on a token has expired.
/// @param deadline The timestamp at which the allowed amount is no longer valid
error AllowanceExpired(uint256 deadline);
/// @notice Thrown when an allowance on a token has been depleted.
/// @param amount The maximum amount allowed
error InsufficientAllowance(uint256 amount);
/// @notice Thrown when too many nonces are invalidated.
error ExcessiveInvalidation();
/// @notice Emits an event when the owner successfully invalidates an ordered nonce.
event NonceInvalidation(
address indexed owner, address indexed token, address indexed spender, uint48 newNonce, uint48 oldNonce
);
/// @notice Emits an event when the owner successfully sets permissions on a token for the spender.
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File 13 of 18 : SafeCast160.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
library SafeCast160 {
/// @notice Thrown when a valude greater than type(uint160).max is cast to uint160
error UnsafeCast();
/// @notice Safely casts uint256 to uint160
/// @param value The uint256 to be cast
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) revert UnsafeCast();
return uint160(value);
}
}
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File 14 of 18 : Initializable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.20;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```solidity
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
*
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
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File 15 of 18 : ContextUpgradeable.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @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 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 ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
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File 16 of 18 : draft-IERC6093.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @dev Standard ERC20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
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File 17 of 18 : Address.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error AddressInsufficientBalance(address account);
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedInnerCall();
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
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File 18 of 18 : IEIP712.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IEIP712 {
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
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Settings
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{
"remappings": [
"forge-std/=lib/forge-std/src/",
"permit2/=lib/permit2/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"forge-gas-snapshot/=lib/permit2/lib/forge-gas-snapshot/src/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/",
"solmate/=lib/permit2/lib/solmate/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
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Contract ABI

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