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New Solidity Smart Contract Verification
Contract Address
The 0x address supplied on contract creation.
Is Yul contract
No
Yes
Select Yes if you want to verify Yul contract.
Contract Name
Must match the name specified in the code. For example, in
contract MyContract {..}
MyContract
is the contract name.
Include nightly builds
No
Yes
Select yes if you want to show nightly builds.
Compiler
The compiler version is specified in
pragma solidity X.X.X
. Use the compiler version rather than the nightly build. If using the Solidity compiler, run
solc —version
to check.
EVM Version
homestead
tangerineWhistle
spuriousDragon
byzantium
constantinople
petersburg
istanbul
berlin
london
paris
shanghai
default
The EVM version the contract is written for. If the bytecode does not match the version, we try to verify using the latest EVM version.
EVM version details
.
Optimization
No
Yes
If you enabled optimization during compilation, select yes.
Optimization runs
Enter the Solidity Contract Code
contract OwnedUpgradeabilityStorage { // Current implementation address internal _implementation; // Owner of the contract address private _upgradeabilityOwner; /** * @dev Tells the address of the owner * @return the address of the owner */ function upgradeabilityOwner() public view returns (address) { return _upgradeabilityOwner; } /** * @dev Sets the address of the owner */ function setUpgradeabilityOwner(address newUpgradeabilityOwner) internal { _upgradeabilityOwner = newUpgradeabilityOwner; } /** * @dev Tells the address of the current implementation * @return address of the current implementation */ function implementation() public view returns (address) { return _implementation; } /** * @dev Tells the proxy type (EIP 897) * @return Proxy type, 2 for forwarding proxy */ function proxyType() public pure returns (uint256 proxyTypeId) { return 2; } } contract Proxy { /** * @dev Tells the address of the implementation where every call will be delegated. * @return address of the implementation to which it will be delegated */ function implementation() public view returns (address); /** * @dev Tells the type of proxy (EIP 897) * @return Type of proxy, 2 for upgradeable proxy */ function proxyType() public pure returns (uint256 proxyTypeId); /** * @dev Fallback function allowing to perform a delegatecall to the given implementation. * This function will return whatever the implementation call returns */ function () payable public { address _impl = implementation(); require(_impl != address(0)); assembly { let ptr := mload(0x40) calldatacopy(ptr, 0, calldatasize) let result := delegatecall(gas, _impl, ptr, calldatasize, 0, 0) let size := returndatasize returndatacopy(ptr, 0, size) switch result case 0 { revert(ptr, size) } default { return(ptr, size) } } } } contract OwnedUpgradeabilityProxy is Proxy, OwnedUpgradeabilityStorage { /** * @dev Event to show ownership has been transferred * @param previousOwner representing the address of the previous owner * @param newOwner representing the address of the new owner */ event ProxyOwnershipTransferred(address previousOwner, address newOwner); /** * @dev This event will be emitted every time the implementation gets upgraded * @param implementation representing the address of the upgraded implementation */ event Upgraded(address indexed implementation); /** * @dev Upgrades the implementation address * @param implementation representing the address of the new implementation to be set */ function _upgradeTo(address implementation) internal { require(_implementation != implementation); _implementation = implementation; emit Upgraded(implementation); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyProxyOwner() { require(msg.sender == proxyOwner()); _; } /** * @dev Tells the address of the proxy owner * @return the address of the proxy owner */ function proxyOwner() public view returns (address) { return upgradeabilityOwner(); } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferProxyOwnership(address newOwner) public onlyProxyOwner { require(newOwner != address(0)); emit ProxyOwnershipTransferred(proxyOwner(), newOwner); setUpgradeabilityOwner(newOwner); } /** * @dev Allows the upgradeability owner to upgrade the current implementation of the proxy. * @param implementation representing the address of the new implementation to be set. */ function upgradeTo(address implementation) public onlyProxyOwner { _upgradeTo(implementation); } /** * @dev Allows the upgradeability owner to upgrade the current implementation of the proxy * and delegatecall the new implementation for initialization. * @param implementation representing the address of the new implementation to be set. * @param data represents the msg.data to bet sent in the low level call. This parameter may include the function * signature of the implementation to be called with the needed payload */ function upgradeToAndCall(address implementation, bytes data) payable public onlyProxyOwner { upgradeTo(implementation); require(address(this).delegatecall(data)); } } contract OwnableDelegateProxy is OwnedUpgradeabilityProxy { constructor(address owner, address initialImplementation, bytes calldata) public { setUpgradeabilityOwner(owner); _upgradeTo(initialImplementation); require(initialImplementation.delegatecall(calldata)); } }
We recommend using flattened code. This is necessary if your code utilizes a library or inherits dependencies. Use the
POA solidity flattener or the
truffle flattener
.
Try to fetch constructor arguments automatically
No
Yes
ABI-encoded Constructor Arguments (if required by the contract)
000000000000000000000000e11b14504602eb7b0139dbf30434c997d68a1a78000000000000000000000000f9e266af4bca5890e2781812cc6a6e89495a79f200000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000044485cc955000000000000000000000000e11b14504602eb7b0139dbf30434c997d68a1a78000000000000000000000000a5409ec958c83c3f309868babaca7c86dcb077c100000000000000000000000000000000000000000000000000000000
Add arguments in
ABI hex encoded form
. Constructor arguments are written right to left, and will be found at the end of the input created bytecode. They may also be
parsed here.
Add Contract Libraries
Contract Libraries
Library 1 Name
A library name called in the .sol file. Multiple libraries (up to 10) may be added for each contract. Click the Add Library button to add an additional one.
Library 1 Address
The 0x library address. This can be found in the generated json file or Truffle output (if using truffle).
Library 2 Name
Library 2 Address
Library 3 Name
Library 3 Address
Library 4 Name
Library 4 Address
Library 5 Name
Library 5 Address
Library 6 Name
Library 6 Address
Library 7 Name
Library 7 Address
Library 8 Name
Library 8 Address
Library 9 Name
Library 9 Address
Library 10 Name
Library 10 Address
Add Library
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