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Holographer.sol
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Holographer.sol
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// SPDX-License-Identifier: UNLICENSED
/*
┌───────────┐
│ HOLOGRAPH │
└───────────┘
╔═════════════════════════════════════════════════════════════╗
║ ║
║ / ^ \ ║
║ ~~*~~ ¸ ║
║ [ '<>:<>' ] │░░░ ║
║ ╔╗ _/"\_ ╔╣ ║
║ ┌─╬╬─┐ """ ┌─╬╬─┐ ║
║ ┌─┬┘ ╠╣ └┬─┐ \_/ ┌─┬┘ ╠╣ └┬─┐ ║
║ ┌─┬┘ │ ╠╣ │ └┬─┐ ┌─┬┘ │ ╠╣ │ └┬─┐ ║
║ ┌─┬┘ │ │ ╠╣ │ │ └┬─┐ ┌─┬┘ │ │ ╠╣ │ │ └┬─┐ ║
║ ┌─┬┘ │ │ │ ╠╣ │ │ │ └┬┐ ┌┬┘ │ │ │ ╠╣ │ │ │ └┬─┐ ║
╠┬┘ │ │ │ │ ╠╣ │ │ │ │└¤┘│ │ │ │ ╠╣ │ │ │ │ └┬╣
║│ │ │ │ │ ╠╣ │ │ │ │ │ │ │ │ ╠╣ │ │ │ │ │║
╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
║ ╠╣ ╠╣ ║
║ ╠╣ ╠╣ ║
║ , ╠╣ , ,' * ╠╣ ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
- one protocol, one bridge = infinite possibilities -
***************************************************************
DISCLAIMER: U.S Patent Pending
LICENSE: Holograph Limited Public License (H-LPL)
https://holograph.xyz/licenses/h-lpl/1.0.0
This license governs use of the accompanying software. If you
use the software, you accept this license. If you do not accept
the license, you are not permitted to use the software.
1. Definitions
The terms "reproduce," "reproduction," "derivative works," and
"distribution" have the same meaning here as under U.S.
copyright law. A "contribution" is the original software, or
any additions or changes to the software. A "contributor" is
any person that distributes its contribution under this
license. "Licensed patents" are a contributor’s patent claims
that read directly on its contribution.
2. Grant of Rights
A) Copyright Grant- Subject to the terms of this license,
including the license conditions and limitations in sections 3
and 4, each contributor grants you a non-exclusive, worldwide,
royalty-free copyright license to reproduce its contribution,
prepare derivative works of its contribution, and distribute
its contribution or any derivative works that you create.
B) Patent Grant- Subject to the terms of this license,
including the license conditions and limitations in section 3,
each contributor grants you a non-exclusive, worldwide,
royalty-free license under its licensed patents to make, have
made, use, sell, offer for sale, import, and/or otherwise
dispose of its contribution in the software or derivative works
of the contribution in the software.
3. Conditions and Limitations
A) No Trademark License- This license does not grant you rights
to use any contributors’ name, logo, or trademarks.
B) If you bring a patent claim against any contributor over
patents that you claim are infringed by the software, your
patent license from such contributor is terminated with
immediate effect.
C) If you distribute any portion of the software, you must
retain all copyright, patent, trademark, and attribution
notices that are present in the software.
D) If you distribute any portion of the software in source code
form, you may do so only under this license by including a
complete copy of this license with your distribution. If you
distribute any portion of the software in compiled or object
code form, you may only do so under a license that complies
with this license.
E) The software is licensed “as-is.” You bear all risks of
using it. The contributors give no express warranties,
guarantees, or conditions. You may have additional consumer
rights under your local laws which this license cannot change.
To the extent permitted under your local laws, the contributors
exclude all implied warranties, including those of
merchantability, fitness for a particular purpose and
non-infringement.
4. (F) Platform Limitation- The licenses granted in sections
2.A & 2.B extend only to the software or derivative works that
you create that run on a Holograph system product.
***************************************************************
*/
pragma solidity 0.8.13;
import "../abstract/Admin.sol";
import "../abstract/Initializable.sol";
import "../interface/HolographInterface.sol";
import "../interface/HolographerInterface.sol";
import "../interface/HolographRegistryInterface.sol";
import "../interface/InitializableInterface.sol";
/**
* @dev This contract is a binder. It puts together all the variables to make the underlying contracts functional and be bridgeable.
*/
contract Holographer is Admin, Initializable, HolographerInterface {
/**
* @dev bytes32(uint256(keccak256('eip1967.Holograph.originChain')) - 1)
*/
bytes32 constant _originChainSlot = 0xd49ffd6af8249d6e6b5963d9d2b22c6db30ad594cb468453047a14e1c1bcde4d;
/**
* @dev bytes32(uint256(keccak256('eip1967.Holograph.holograph')) - 1)
*/
bytes32 constant _holographSlot = 0xb4107f746e9496e8452accc7de63d1c5e14c19f510932daa04077cd49e8bd77a;
/**
* @dev bytes32(uint256(keccak256('eip1967.Holograph.contractType')) - 1)
*/
bytes32 constant _contractTypeSlot = 0x0b671eb65810897366dd82c4cbb7d9dff8beda8484194956e81e89b8a361d9c7;
/**
* @dev bytes32(uint256(keccak256('eip1967.Holograph.sourceContract')) - 1)
*/
bytes32 constant _sourceContractSlot = 0x27d542086d1e831d40b749e7f5509a626c3047a36d160781c40d5acc83e5b074;
/**
* @dev bytes32(uint256(keccak256('eip1967.Holograph.blockHeight')) - 1)
*/
bytes32 constant _blockHeightSlot = 0x9172848b0f1df776dc924b58e7fa303087ae0409bbf611608529e7f747d55de3;
/**
* @dev Constructor is left empty and init is used instead
*/
constructor() {}
/**
* @notice Used internally to initialize the contract instead of through a constructor
* @dev This function is called by the deployer/factory when creating a contract
* @param initPayload abi encoded payload to use for contract initilaization
*/
function init(bytes memory initPayload) external override returns (bytes4) {
require(!_isInitialized(), "HOLOGRAPHER: already initialized");
(bytes memory encoded, bytes memory initCode) = abi.decode(initPayload, (bytes, bytes));
(uint32 originChain, address holograph, bytes32 contractType, address sourceContract) = abi.decode(
encoded,
(uint32, address, bytes32, address)
);
assembly {
sstore(_adminSlot, caller())
sstore(_blockHeightSlot, number())
sstore(_contractTypeSlot, contractType)
sstore(_holographSlot, holograph)
sstore(_originChainSlot, originChain)
sstore(_sourceContractSlot, sourceContract)
}
(bool success, bytes memory returnData) = HolographRegistryInterface(HolographInterface(holograph).getRegistry())
.getReservedContractTypeAddress(contractType)
.delegatecall(abi.encodeWithSignature("init(bytes)", initCode));
bytes4 selector = abi.decode(returnData, (bytes4));
require(success && selector == InitializableInterface.init.selector, "initialization failed");
_setInitialized();
return InitializableInterface.init.selector;
}
/**
* @dev Returns the block height of when the smart contract was deployed. Useful for retrieving deployment config for re-deployment on other EVM-compatible chains.
*/
function getDeploymentBlock() external view returns (address holograph) {
assembly {
holograph := sload(_blockHeightSlot)
}
}
/**
* @dev Returns a hardcoded address for the Holograph smart contract.
*/
function getHolograph() external view returns (address holograph) {
assembly {
holograph := sload(_holographSlot)
}
}
/**
* @dev Returns a hardcoded address for the Holograph smart contract that controls and enforces the ERC standards.
*/
function getHolographEnforcer() public view returns (address) {
HolographInterface holograph;
bytes32 contractType;
assembly {
holograph := sload(_holographSlot)
contractType := sload(_contractTypeSlot)
}
return HolographRegistryInterface(holograph.getRegistry()).getReservedContractTypeAddress(contractType);
}
/**
* @dev Returns the original chain that contract was deployed on.
*/
function getOriginChain() external view returns (uint32 originChain) {
assembly {
originChain := sload(_originChainSlot)
}
}
/**
* @dev Returns a hardcoded address for the custom secure storage contract deployed in parallel with this contract deployment.
*/
function getSourceContract() external view returns (address sourceContract) {
assembly {
sourceContract := sload(_sourceContractSlot)
}
}
/**
* @dev Purposefully left empty, to prevent running out of gas errors when receiving native token payments.
*/
receive() external payable {}
/**
* @dev This takes the Enforcer's source code, runs it, and uses current address for storage slots.
*/
fallback() external payable {
address holographEnforcer = getHolographEnforcer();
assembly {
calldatacopy(0, 0, calldatasize())
let result := delegatecall(gas(), holographEnforcer, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
}