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Latest 25 from a total of 38,091 transactions
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Set Can Burn | 20432642 | 21 days ago | IN | 0 ETH | 0.00059617 | ||||
Set Can Burn | 20324827 | 37 days ago | IN | 0 ETH | 0.00059617 | ||||
Refill Ratified ... | 20280968 | 43 days ago | IN | 0 ETH | 0.00016489 | ||||
Refill Ratified ... | 20262987 | 45 days ago | IN | 0 ETH | 0.00048001 | ||||
Refill Ratified ... | 20198513 | 54 days ago | IN | 0 ETH | 0.00015033 | ||||
Refill Ratified ... | 20198505 | 54 days ago | IN | 0 ETH | 0.00019004 | ||||
Refill Ratified ... | 20198496 | 54 days ago | IN | 0 ETH | 0.00018177 | ||||
Ratify Mint | 20198490 | 54 days ago | IN | 0 ETH | 0.00037314 | ||||
Request Mint | 20198482 | 54 days ago | IN | 0 ETH | 0.0006444 | ||||
Refill Ratified ... | 20198480 | 54 days ago | IN | 0 ETH | 0.00019705 | ||||
Refill Ratified ... | 20198470 | 54 days ago | IN | 0 ETH | 0.00017832 | ||||
Refill Ratified ... | 20198463 | 54 days ago | IN | 0 ETH | 0.00019237 | ||||
Ratify Mint | 20198453 | 54 days ago | IN | 0 ETH | 0.00041711 | ||||
Refill Ratified ... | 20198444 | 54 days ago | IN | 0 ETH | 0.00016189 | ||||
Refill Ratified ... | 20198417 | 54 days ago | IN | 0 ETH | 0.00018303 | ||||
Request Mint | 20198409 | 54 days ago | IN | 0 ETH | 0.00090206 | ||||
Refill Ratified ... | 20198333 | 54 days ago | IN | 0 ETH | 0.00022032 | ||||
Refill Instant M... | 20198330 | 54 days ago | IN | 0 ETH | 0.00016842 | ||||
Ratify Mint | 20198270 | 54 days ago | IN | 0 ETH | 0.00047105 | ||||
Request Mint | 20198241 | 54 days ago | IN | 0 ETH | 0.00064426 | ||||
Set Can Burn | 20173564 | 58 days ago | IN | 0 ETH | 0.00029765 | ||||
Set Can Burn | 20024739 | 78 days ago | IN | 0 ETH | 0.00111601 | ||||
Refill Ratified ... | 19976002 | 85 days ago | IN | 0 ETH | 0.00123651 | ||||
Set Can Burn | 19975557 | 85 days ago | IN | 0 ETH | 0.00120724 | ||||
Set Can Burn | 19975435 | 85 days ago | IN | 0 ETH | 0.00215762 |
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Latest 25 internal transactions (View All)
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20198505 | 54 days ago | 0 ETH |
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Contract Name:
OwnedUpgradeabilityProxy
Compiler Version
v0.4.23+commit.124ca40d
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2019-06-24 */ /** *Submitted for verification at Etherscan.io on 2018-12-18 */ pragma solidity ^0.4.23; // This is the proxy contract for the TrustToken Registry // File: contracts/Proxy/Proxy.sol /** * @title Proxy * @dev Gives the possibility to delegate any call to a foreign implementation. */ 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 Fallback function allowing to perform a delegatecall to the given implementation. * This function will return whatever the implementation call returns */ function() external payable { address _impl = implementation(); require(_impl != address(0), "implementation contract not set"); 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) } } } } // File: contracts/Proxy/UpgradeabilityProxy.sol /** * @title UpgradeabilityProxy * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded */ contract UpgradeabilityProxy is Proxy { /** * @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); // Storage position of the address of the current implementation bytes32 private constant implementationPosition = keccak256("trueUSD.proxy.implementation"); /** * @dev Tells the address of the current implementation * @return address of the current implementation */ function implementation() public view returns (address impl) { bytes32 position = implementationPosition; assembly { impl := sload(position) } } /** * @dev Sets the address of the current implementation * @param newImplementation address representing the new implementation to be set */ function _setImplementation(address newImplementation) internal { bytes32 position = implementationPosition; assembly { sstore(position, newImplementation) } } /** * @dev Upgrades the implementation address * @param newImplementation representing the address of the new implementation to be set */ function _upgradeTo(address newImplementation) internal { address currentImplementation = implementation(); require(currentImplementation != newImplementation); _setImplementation(newImplementation); emit Upgraded(newImplementation); } } // File: contracts/Proxy/OwnedUpgradeabilityProxy.sol /** * @title OwnedUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with basic authorization control functionalities */ contract OwnedUpgradeabilityProxy is UpgradeabilityProxy { /** * @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 indexed previousOwner, address indexed newOwner); /** * @dev Event to show ownership transfer is pending * @param currentOwner representing the address of the current owner * @param pendingOwner representing the address of the pending owner */ event NewPendingOwner(address currentOwner, address pendingOwner); // Storage position of the owner and pendingOwner of the contract bytes32 private constant proxyOwnerPosition = keccak256("trueUSD.proxy.owner"); bytes32 private constant pendingProxyOwnerPosition = keccak256("trueUSD.pending.proxy.owner"); /** * @dev the constructor sets the original owner of the contract to the sender account. */ constructor() public { _setUpgradeabilityOwner(msg.sender); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyProxyOwner() { require(msg.sender == proxyOwner(), "only Proxy Owner"); _; } /** * @dev Throws if called by any account other than the pending owner. */ modifier onlyPendingProxyOwner() { require(msg.sender == pendingProxyOwner(), "only pending Proxy Owner"); _; } /** * @dev Tells the address of the owner * @return the address of the owner */ function proxyOwner() public view returns (address owner) { bytes32 position = proxyOwnerPosition; assembly { owner := sload(position) } } /** * @dev Tells the address of the owner * @return the address of the owner */ function pendingProxyOwner() public view returns (address pendingOwner) { bytes32 position = pendingProxyOwnerPosition; assembly { pendingOwner := sload(position) } } /** * @dev Sets the address of the owner */ function _setUpgradeabilityOwner(address newProxyOwner) internal { bytes32 position = proxyOwnerPosition; assembly { sstore(position, newProxyOwner) } } /** * @dev Sets the address of the owner */ function _setPendingUpgradeabilityOwner(address newPendingProxyOwner) internal { bytes32 position = pendingProxyOwnerPosition; assembly { sstore(position, newPendingProxyOwner) } } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. *changes the pending owner to newOwner. But doesn't actually transfer * @param newOwner The address to transfer ownership to. */ function transferProxyOwnership(address newOwner) external onlyProxyOwner { require(newOwner != address(0)); _setPendingUpgradeabilityOwner(newOwner); emit NewPendingOwner(proxyOwner(), newOwner); } /** * @dev Allows the pendingOwner to claim ownership of the proxy */ function claimProxyOwnership() external onlyPendingProxyOwner { emit ProxyOwnershipTransferred(proxyOwner(), pendingProxyOwner()); _setUpgradeabilityOwner(pendingProxyOwner()); _setPendingUpgradeabilityOwner(address(0)); } /** * @dev Allows the proxy owner to upgrade the current version of the proxy. * @param implementation representing the address of the new implementation to be set. */ function upgradeTo(address implementation) external onlyProxyOwner { _upgradeTo(implementation); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"proxyOwner","outputs":[{"name":"owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingProxyOwner","outputs":[{"name":"pendingOwner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"implementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"impl","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"claimProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"currentOwner","type":"address"},{"indexed":false,"name":"pendingOwner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Deployed Bytecode Sourcemap
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Swarm Source
bzzr://66d4b5932adad66dd7b19bdf5b36c25e9e99e563f06c779eeef9427bb3c9c767
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Multichain Portfolio | 26 Chains
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