// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)pragmasolidity ^0.8.1;/**
* @dev Collection of functions related to the address type
*/libraryAddress{
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/functionisContract(address account) internalviewreturns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0// for contracts in construction, since the code is only stored at the end// of the constructor execution.return account.code.length>0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/functionsendValue(addresspayable recipient, uint256 amount) internal{
require(address(this).balance>= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/functionfunctionCall(address target, bytesmemory data) internalreturns (bytesmemory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/functionfunctionCall(address target,
bytesmemory data,
stringmemory errorMessage
) internalreturns (bytesmemory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/functionfunctionCallWithValue(address target, bytesmemory data, uint256 value) internalreturns (bytesmemory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/functionfunctionCallWithValue(address target,
bytesmemory data,
uint256 value,
stringmemory errorMessage
) internalreturns (bytesmemory) {
require(address(this).balance>= value, "Address: insufficient balance for call");
(bool success, bytesmemory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/functionfunctionStaticCall(address target, bytesmemory data) internalviewreturns (bytesmemory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/functionfunctionStaticCall(address target,
bytesmemory data,
stringmemory errorMessage
) internalviewreturns (bytesmemory) {
(bool success, bytesmemory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/functionfunctionDelegateCall(address target, bytesmemory data) internalreturns (bytesmemory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/functionfunctionDelegateCall(address target,
bytesmemory data,
stringmemory errorMessage
) internalreturns (bytesmemory) {
(bool success, bytesmemory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/functionverifyCallResultFromTarget(address target,
bool success,
bytesmemory returndata,
stringmemory errorMessage
) internalviewreturns (bytesmemory) {
if (success) {
if (returndata.length==0) {
// only check isContract if the call was successful and the return data is empty// otherwise we already know that it was a contractrequire(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/functionverifyCallResult(bool success,
bytesmemory returndata,
stringmemory errorMessage
) internalpurereturns (bytesmemory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function_revert(bytesmemory returndata, stringmemory errorMessage) privatepure{
// Look for revert reason and bubble it up if presentif (returndata.length>0) {
// The easiest way to bubble the revert reason is using memory via assembly/// @solidity memory-safe-assemblyassembly {
let returndata_size :=mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
Contract Source Code
File 2 of 16: BatchWorkerV2.sol
// SPDX-License-Identifier: MIT// ENVELOP(NIFTSY) protocol V1 for NFT. Batch Worker import"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import"../interfaces/ITrustedWrapperV2.sol";
import"@envelop-protocol-v1/interfaces/IERC20Extended.sol";
import"@envelop-subscription/contracts/ServiceProviderOwnable.sol";
pragmasolidity 0.8.21;contractBatchWorkerV2isServiceProviderOwnable{
usingSafeERC20forIERC20Extended;
ITrustedWrapperV2 public trustedWrapper;
constructor (address _subscrRegistry)
ServiceProviderOwnable(_subscrRegistry)
{}
functionwrapBatch(
ETypes.INData[] calldata _inDataS,
ETypes.AssetItem[] calldata _collateralERC20,
address[] memory _receivers
) publicpayable{
_checkAndFixSubscription(msg.sender);
require(
_inDataS.length== _receivers.length,
"Array params must have equal length"
);
// make wNFTsfor (uint256 i =0; i < _inDataS.length; i++) {
// wrap
trustedWrapper.wrapUnsafe{value: (msg.value/ _receivers.length)}(
_inDataS[i],
_collateralERC20,
_receivers[i]
);
// Transfer original NFTs to wrapperif (_inDataS[i].inAsset.asset.assetType == ETypes.AssetType.ERC721 ||
_inDataS[i].inAsset.asset.assetType == ETypes.AssetType.ERC1155 )
{
trustedWrapper.transferIn(
_inDataS[i].inAsset,
msg.sender
);
}
}
ETypes.AssetItem memory totalERC20Collateral;
uint256 totalNativeAmount;
for (uint256 i =0; i < _collateralERC20.length; i ++) {
if (_collateralERC20[i].asset.assetType == ETypes.AssetType.ERC20) {
totalERC20Collateral.asset.assetType = _collateralERC20[i].asset.assetType;
totalERC20Collateral.asset.contractAddress = _collateralERC20[i].asset.contractAddress;
totalERC20Collateral.tokenId = _collateralERC20[i].tokenId;
// We need construct totalERC20Collateral due make one transfer// instead of maked wNFT counts
totalERC20Collateral.amount = _collateralERC20[i].amount * _receivers.length;
uint256 amountTransfered = trustedWrapper.transferIn(
totalERC20Collateral,
msg.sender
);
require(amountTransfered == totalERC20Collateral.amount, "Check transfer ERC20 amount fail");
}
if (_collateralERC20[i].asset.assetType == ETypes.AssetType.NATIVE) {
totalNativeAmount += _collateralERC20[i].amount * _receivers.length;
}
}
require(totalNativeAmount ==msg.value, "Native amount check failed");
}
functionaddCollateralBatch(address[] calldata _wNFTAddress,
uint256[] calldata _wNFTTokenId,
ETypes.AssetItem[] calldata _collateralERC20
) publicpayable{
_checkAndFixSubscription(msg.sender);
require(_wNFTAddress.length== _wNFTTokenId.length, "Array params must have equal length");
for (uint256 i =0; i < _collateralERC20.length; i ++) {
if (_collateralERC20[i].asset.assetType == ETypes.AssetType.ERC20) {
// 1. Transfer all erc20 tokens to BatchWorker
IERC20Extended(_collateralERC20[i].asset.contractAddress).safeTransferFrom(
msg.sender,
address(this),
_collateralERC20[i].amount * _wNFTAddress.length
);
// 2. approve for spending to wrapper
IERC20Extended(_collateralERC20[i].asset.contractAddress).safeIncreaseAllowance(
address(trustedWrapper),
_collateralERC20[i].amount * _wNFTAddress.length
);
}
}
uint256 valuePerWNFT =msg.value/ _wNFTAddress.length;
for (uint256 i =0; i < _wNFTAddress.length; i ++){
trustedWrapper.addCollateral{value: valuePerWNFT}(
_wNFTAddress[i],
_wNFTTokenId[i],
_collateralERC20
);
}
if (valuePerWNFT * _wNFTAddress.length<msg.value ){
addresspayable s =payable(msg.sender);
s.transfer(msg.value- valuePerWNFT * _wNFTAddress.length);
}
}
////////////////////////////////////////// Admin functions ///////////////////////////////////////////functionsetTrustedWrapper(address _wrapper) publiconlyOwner{
trustedWrapper = ITrustedWrapperV2(_wrapper);
require(trustedWrapper.trustedOperator(address(this)), "Only for exact wrapper");
}
/////////////////////////////////////////////////////////////////////functioncheckUser(address _user) externalviewreturns (bool ok, bool needFix) {
return _checkUserSubscription(_user);
}
}
Contract Source Code
File 3 of 16: Context.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)pragmasolidity ^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 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.
*/abstractcontractContext{
function_msgSender() internalviewvirtualreturns (address) {
returnmsg.sender;
}
function_msgData() internalviewvirtualreturns (bytescalldata) {
returnmsg.data;
}
}
Contract Source Code
File 4 of 16: IERC20.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)pragmasolidity ^0.8.0;/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/interfaceIERC20{
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/eventTransfer(addressindexedfrom, addressindexed 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.
*/eventApproval(addressindexed owner, addressindexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/functiontotalSupply() externalviewreturns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/functionbalanceOf(address account) externalviewreturns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/functiontransfer(address to, uint256 amount) externalreturns (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.
*/functionallowance(address owner, address spender) externalviewreturns (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.
*/functionapprove(address spender, uint256 amount) externalreturns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` 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.
*/functiontransferFrom(addressfrom, address to, uint256 amount) externalreturns (bool);
}
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)pragmasolidity ^0.8.0;/**
* @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.
*/interfaceIERC20Permit{
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*/functionpermit(address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/functionnonces(address owner) externalviewreturns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/// solhint-disable-next-line func-name-mixedcasefunctionDOMAIN_SEPARATOR() externalviewreturns (bytes32);
}
Contract Source Code
File 7 of 16: ISubscriptionRegistry.sol
// SPDX-License-Identifier: MITpragmasolidity 0.8.21;import {SubscriptionType, PayOption, Tariff, Ticket} from"../contracts/SubscriptionRegistry.sol";
interfaceISubscriptionRegistry{
/**
* @notice Add new tariff for caller
* @dev Call this method from ServiceProvider
* for setup new tariff
* using `Tariff` data type(please see above)
*
* @param _newTariff full encded Tariff object
* @return last added tariff index in Tariff[] array
* for current Service Provider (msg.sender)
*/functionregisterServiceTariff(Tariff calldata _newTariff) externalreturns(uint256);
/**
* @notice Authorize agent for caller service provider
* @dev Call this method from ServiceProvider
*
* @param _agent - address of contract that implement Agent role
* @param _serviceTariffIndexes - array of index in `availableTariffs` array
* that available for given `_agent`
* @return full array of actual tarifs for this agent
*/functionauthorizeAgentForService(address _agent,
uint256[] calldata _serviceTariffIndexes
) externalreturns (uint256[] memory);
/**
* @notice By Ticket for subscription
* @dev Call this method from Agent
*
* @param _service - Service Provider address
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @param _buyFor - address for whome this ticket would be bought
* @param _payer - address of payer for this ticket
* @return ticket structure that would be use for validate service process
*/functionbuySubscription(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex,
address _buyFor,
address _payer
) externalpayablereturns(Ticket memory ticket);
/**
* @notice Edit tariff for caller
* @dev Call this method from ServiceProvider
* for setup new tariff
* using `Tariff` data type(please see above)
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _timelockPeriod - see SubscriptionType notice above
* @param _ticketValidPeriod - see SubscriptionType notice above
* @param _counter - see SubscriptionType notice above
* @param _isAvailable - see SubscriptionType notice above
* @param _beneficiary - see SubscriptionType notice above
*/functioneditServiceTariff(uint256 _tariffIndex,
uint256 _timelockPeriod,
uint256 _ticketValidPeriod,
uint256 _counter,
bool _isAvailable,
address _beneficiary
) external;
/**
* @notice Add tariff PayOption for exact service
* @dev Call this method from ServiceProvider
* for add tariff PayOption
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _paymentToken - see PayOption notice above
* @param _paymentAmount - see PayOption notice above
* @param _agentFeePercent - see PayOption notice above
* @return last added PaymentOption index in array
* for _tariffIndex Tariff of caller Service Provider (msg.sender)
*/functionaddTariffPayOption(uint256 _tariffIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) externalreturns(uint256);
/**
* @notice Edit tariff PayOption for exact service
* @dev Call this method from ServiceProvider
* for edit tariff PayOption
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @param _paymentToken - see PayOption notice above
* @param _paymentAmount - see PayOption notice above
* @param _agentFeePercent - see PayOption notice above
* for _tariffIndex Tariff of caller Service Provider (msg.sender)
*/functioneditTariffPayOption(uint256 _tariffIndex,
uint256 _payWithIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) external;
/**
* @notice Check that `_user` have still valid ticket for this service.
* @dev Call this method from any context
*
* @param _user - address of user who has an ticket and who trying get service
* @param _service - address of Service Provider
* @return ok True in case ticket is valid
* @return needFix True in case ticket has counter > 0
*/functioncheckUserSubscription(address _user,
address _service
) externalviewreturns (bool ok, bool needFix);
/**
* @notice Check that `_user` have still valid ticket for this service.
* Decrement ticket counter in case it > 0
* @dev Call this method from ServiceProvider
*
* @param _user - address of user who has an ticket and who trying get service
* @return ok True in case ticket is valid
*/functioncheckAndFixUserSubscription(address _user) externalreturns (bool ok);
/**
* @notice Decrement ticket counter in case it > 0
* @dev Call this method from new SubscriptionRegistry in case of upgrade
*
* @param _user - address of user who has an ticket and who trying get service
* @param _serviceFromProxy - address of service from more new SubscriptionRegistry contract
*/functionfixUserSubscription(address _user, address _serviceFromProxy) external;
/**
* @notice Returns `_user` ticket for this service.
* @dev Call this method from any context
*
* @param _user - address of user who has an ticket and who trying get service
* @param _service - address of Service Provider
* @return ticket
*/functiongetUserTicketForService(address _service,
address _user
) externalviewreturns(Ticket memory);
/**
* @notice Returns array of Tariff for `_service`
* @dev Call this method from any context
*
* @param _service - address of Service Provider
* @return Tariff array
*/functiongetTariffsForService(address _service) externalviewreturns (Tariff[] memory);
/**
* @notice Returns ticket price include any fees
* @dev Call this method from any context
*
* @param _service - address of Service Provider
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @return tulpe with payment token an ticket price
*/functiongetTicketPrice(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex
) externalviewreturns (address, uint256);
/**
* @notice Returns array of Tariff for `_service` assigned to `_agent`
* @dev Call this method from any context
*
* @param _agent - address of Agent
* @param _service - address of Service Provider
* @return Tariff array
*/functiongetAvailableAgentsTariffForService(address _agent,
address _service
) externalviewreturns(Tariff[] memory);
}
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)pragmasolidity ^0.8.0;import"../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/abstractcontractOwnableisContext{
addressprivate _owner;
eventOwnershipTransferred(addressindexed previousOwner, addressindexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/modifieronlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/functionowner() publicviewvirtualreturns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/function_checkOwner() internalviewvirtual{
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/functionrenounceOwnership() publicvirtualonlyOwner{
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/functiontransferOwnership(address newOwner) publicvirtualonlyOwner{
require(newOwner !=address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/function_transferOwnership(address newOwner) internalvirtual{
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
Contract Source Code
File 13 of 16: SafeERC20.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)pragmasolidity ^0.8.0;import"../IERC20.sol";
import"../extensions/IERC20Permit.sol";
import"../../../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.
*/librarySafeERC20{
usingAddressforaddress;
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/functionsafeTransfer(IERC20 token, address to, uint256 value) internal{
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/functionsafeTransferFrom(IERC20 token, addressfrom, address to, uint256 value) internal{
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/functionsafeApprove(IERC20 token, address spender, uint256 value) internal{
// safeApprove should only be called when setting an initial allowance,// or when resetting it to zero. To increase and decrease it, use// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'require(
(value ==0) || (token.allowance(address(this), spender) ==0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/functionsafeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal{
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/functionsafeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal{
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*/functionforceApprove(IERC20 token, address spender, uint256 value) internal{
bytesmemory approvalCall =abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
* Revert on invalid signature.
*/functionsafePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal{
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore +1, "SafeERC20: permit did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/function_callOptionalReturn(IERC20 token, bytesmemory data) private{
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since// we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that// the target address contains contract code and also asserts for success in the low-level call.bytesmemory returndata =address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length==0||abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
*/function_callOptionalReturnBool(IERC20 token, bytesmemory data) privatereturns (bool) {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since// we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false// and not revert is the subcall reverts.
(bool success, bytesmemory returndata) =address(token).call(data);
return
success && (returndata.length==0||abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
Contract Source Code
File 14 of 16: ServiceProvider.sol
// SPDX-License-Identifier: MIT// ENVELOP(NIFTSY) Subscription Registry Contract V2/// The subscription platform operates with the following role model /// (it is assumed that the actor with the role is implemented as a contract)./// `Service Provider` is a contract whose services are sold by subscription./// `Agent` - a contract that sells a subscription on behalf ofservice provider. /// May receive sales commission/// `Platform` - SubscriptionRegistry contract that performs processingsubscriptions, /// fares, ticketspragmasolidity 0.8.21;import"../interfaces/ISubscriptionRegistry.sol";
/// @title ServiceProvider abstract contract /// @author Envelop project Team/// @notice Abstract contract implements subscribing features./// For use with SubscriptionRegestry/// @dev Use this code in service provider contract that/// want use subscription. One contract = one servie/// Please see example folderabstractcontractServiceProvider{
addresspublic serviceProvider;
ISubscriptionRegistry public subscriptionRegistry;
boolpublic isEnabled =true;
constructor(address _subscrRegistry) {
require(_subscrRegistry !=address(0), 'Non zero only');
serviceProvider =address(this);
subscriptionRegistry = ISubscriptionRegistry(_subscrRegistry);
}
function_registerServiceTariff(Tariff memory _newTariff)
internalvirtualreturns(uint256)
{
return subscriptionRegistry.registerServiceTariff(_newTariff);
}
function_editServiceTariff(uint256 _tariffIndex,
uint256 _timelockPeriod,
uint256 _ticketValidPeriod,
uint256 _counter,
bool _isAvailable,
address _beneficiary
) internalvirtual{
subscriptionRegistry.editServiceTariff(
_tariffIndex,
_timelockPeriod,
_ticketValidPeriod,
_counter,
_isAvailable,
_beneficiary
);
}
function_addTariffPayOption(uint256 _tariffIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) internalvirtualreturns(uint256)
{
return subscriptionRegistry.addTariffPayOption(
_tariffIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
function_editTariffPayOption(uint256 _tariffIndex,
uint256 _payWithIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) internalvirtual{
subscriptionRegistry.editTariffPayOption(
_tariffIndex,
_payWithIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
function_authorizeAgentForService(address _agent,
uint256[] memory _serviceTariffIndexes
) internalvirtualreturns (uint256[] memory)
{
// TODO Check agentreturn subscriptionRegistry.authorizeAgentForService(
_agent,
_serviceTariffIndexes
);
}
////////////////////////////// Main USAGE //////////////////////////////function_checkAndFixSubscription(address _user)
internalreturns (bool ok)
{
if (isEnabled) {
ok = subscriptionRegistry.checkAndFixUserSubscription(
_user
);
} else {
ok =true;
}
}
function_checkUserSubscription(address _user)
internalviewreturns (bool ok, bool needFix)
{
if (isEnabled) {
(ok, needFix) = subscriptionRegistry.checkUserSubscription(
_user,
address(this)
);
} else {
ok =true;
}
}
}
Contract Source Code
File 15 of 16: ServiceProviderOwnable.sol
// SPDX-License-Identifier: MIT// ENVELOP(NIFTSY) Subscription Registry Contract V2/// The subscription platform operates with the following role model /// (it is assumed that the actor with the role is implemented as a contract)./// `Service Provider` is a contract whose services are sold by subscription./// `Agent` - a contract that sells a subscription on behalf ofservice provider. /// May receive sales commission/// `Platform` - SubscriptionRegistry contract that performs processingsubscriptions, /// fares, ticketspragmasolidity 0.8.21;import"@openzeppelin/contracts/access/Ownable.sol";
import"./ServiceProvider.sol";
/// @title ServiceProviderOwnable contract /// @author Envelop project Team/// @notice Contract implements Ownable pattern for service providers./// @dev Inherit this code in service provider contract that/// want use subscription. contractServiceProviderOwnableisServiceProvider, Ownable{
constructor(address _subscrRegistry)
ServiceProvider(_subscrRegistry)
{
}
///////////////////////////////////////// Admin functions ///////////////////////////////////////////functionnewTariff(Tariff memory _newTariff) externalonlyOwnerreturns(uint256 tariffIndex) {
tariffIndex = _registerServiceTariff(_newTariff);
}
functionregisterServiceTariff(Tariff memory _newTariff)
externalonlyOwnerreturns(uint256)
{
return _registerServiceTariff(_newTariff);
}
functioneditServiceTariff(uint256 _tariffIndex,
uint256 _timelockPeriod,
uint256 _ticketValidPeriod,
uint256 _counter,
bool _isAvailable,
address _beneficiary
) externalonlyOwner{
_editServiceTariff(
_tariffIndex,
_timelockPeriod,
_ticketValidPeriod,
_counter,
_isAvailable,
_beneficiary
);
}
functionaddPayOption(uint256 _tariffIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) externalonlyOwnerreturns(uint256 index)
{
index = _addTariffPayOption(
_tariffIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
functioneditPayOption(uint256 _tariffIndex,
uint256 _payWithIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) externalonlyOwner{
_editTariffPayOption(
_tariffIndex,
_payWithIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
functionauthorizeAgentForService(address _agent,
uint256[] memory _serviceTariffIndexes
) externalonlyOwnerreturns (uint256[] memory actualTariffs)
{
actualTariffs = _authorizeAgentForService(
_agent,
_serviceTariffIndexes
);
}
functionsetSubscriptionRegistry(address _subscrRegistry) externalonlyOwner{
subscriptionRegistry = ISubscriptionRegistry(_subscrRegistry);
}
functionsetSubscriptionOnOff(bool _isEnable) externalonlyOwner{
isEnabled = _isEnable;
}
}
Contract Source Code
File 16 of 16: SubscriptionRegistry.sol
// SPDX-License-Identifier: MIT// ENVELOP(NIFTSY) Team. Subscription Registry Contract V2pragmasolidity 0.8.21;import"@openzeppelin/contracts/access/Ownable.sol";
import"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import"@envelop-protocol-v1/interfaces/ITrustedWrapper.sol";
import"@envelop-protocol-v1/contracts/LibEnvelopTypes.sol";
import"../interfaces/ISubscriptionRegistry.sol";
/// The subscription platform operates with the following role model /// (it is assumed that the actor with the role is implemented as a contract)./// `Service Provider` is a contract whose services are sold by subscription./// `Agent` - a contract that sells a subscription on behalf ofservice provider. /// May receive sales commission/// `Platform` - SubscriptionRegistry contract that performs processingsubscriptions, /// fares, ticketsstructSubscriptionType {
uint256 timelockPeriod; // in seconds e.g. 3600*24*30*12 = 31104000 = 1 yearuint256 ticketValidPeriod; // in seconds e.g. 3600*24*30 = 2592000 = 1 monthuint256 counter; // For case when ticket valid for N usage, e.g. for Min N NFTs bool isAvailable; // USe for stop using tariff because we can`t remove tariff from array address beneficiary; // Who will receive payment for tickets
}
structPayOption {
address paymentToken; // token contract address or zero address for native token(ETC etc)uint256 paymentAmount; // ticket price exclude any feesuint16 agentFeePercent; // 100%-10000, 20%-2000, 3%-300
}
structTariff {
SubscriptionType subscription; // link to subscriptionType
PayOption[] payWith; // payment option array. Use it for price in defferent tokens
}
// native subscribtionManager tickets formatstructTicket {
uint256 validUntil; // Unixdate, tickets not valid afteruint256 countsLeft; // for tarif with fixed use counter
}
/// @title Base contract in Envelop Subscription Platform /// @author Envelop Team/// @notice You can use this contract for make and operate any on-chain subscriptions/// @dev Contract that performs processing subscriptions, fares(tariffs), tickets/// @custom:please see example folder.contractSubscriptionRegistryisOwnable{
usingSafeERC20forIERC20;
uint256constantpublic PERCENT_DENOMINATOR =10000;
/// @notice Envelop Multisig contractaddresspublic platformOwner;
/// @notice Platform owner can receive fee from each paymentsuint16public platformFeePercent =50; // 100%-10000, 20%-2000, 3%-300/// @notice address used for wrapp & lock incoming assetsaddresspublic mainWrapper;
/// @notice Used in case upgrade this contractaddresspublic previousRegistry;
/// @notice Used in case upgrade this contractaddresspublic proxyRegistry;
/// @notice Only white listed assets can be used on platformmapping(address=>bool) public whiteListedForPayments;
/// @notice from service(=smart contract address) to tarifsmapping(address=> Tariff[]) public availableTariffs;
/// @notice from service to agent to available tarifs(tarif index);mapping(address=>mapping(address=>uint256[])) public agentServiceRegistry;
/// @notice mapping from user addres to service contract address to ticketmapping(address=>mapping(address=> Ticket)) public userTickets;
eventPlatfromFeeChanged(uint16indexed newPercent);
eventWhitelistPaymentTokenChanged(addressindexed asset, boolindexed state);
eventTariffChanged(addressindexed service, uint256indexed tariffIndex);
eventTicketIssued(addressindexed service,
addressindexed agent,
addressindexed forUser,
uint256 tariffIndex
);
constructor(address _platformOwner) {
require(_platformOwner !=address(0),'Zero platform fee receiver');
platformOwner = _platformOwner;
}
/**
* @notice Add new tariff for caller
* @dev Call this method from ServiceProvider
* for setup new tariff
* using `Tariff` data type(please see above)
*
* @param _newTariff full encded Tariff object
* @return last added tariff index in Tariff[] array
* for current Service Provider (msg.sender)
*/functionregisterServiceTariff(Tariff calldata _newTariff)
externalreturns(uint256)
{
// TODO// Tarif structure check// PayWith array whiteList checkreturn _addTariff(msg.sender, _newTariff);
}
/**
* @notice Edit tariff for caller
* @dev Call this method from ServiceProvider
* for setup new tariff
* using `Tariff` data type(please see above)
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _timelockPeriod - see SubscriptionType notice above
* @param _ticketValidPeriod - see SubscriptionType notice above
* @param _counter - see SubscriptionType notice above
* @param _isAvailable - see SubscriptionType notice above
* @param _beneficiary - see SubscriptionType notice above
*/functioneditServiceTariff(uint256 _tariffIndex,
uint256 _timelockPeriod,
uint256 _ticketValidPeriod,
uint256 _counter,
bool _isAvailable,
address _beneficiary
)
external{
// TODO// Tariff structure check// PayWith array whiteList check
_editTariff(
msg.sender,
_tariffIndex,
_timelockPeriod,
_ticketValidPeriod,
_counter,
_isAvailable,
_beneficiary
);
}
/**
* @notice Add tariff PayOption for exact service
* @dev Call this method from ServiceProvider
* for add tariff PayOption
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _paymentToken - see PayOption notice above
* @param _paymentAmount - see PayOption notice above
* @param _agentFeePercent - see PayOption notice above
* @return last added PaymentOption index in array
* for _tariffIndex Tariff of caller Service Provider (msg.sender)
*/functionaddTariffPayOption(uint256 _tariffIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) externalreturns(uint256)
{
return _addTariffPayOption(
msg.sender,
_tariffIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
/**
* @notice Edit tariff PayOption for exact service
* @dev Call this method from ServiceProvider
* for edit tariff PayOption
*
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @param _paymentToken - see PayOption notice above
* @param _paymentAmount - see PayOption notice above
* @param _agentFeePercent - see PayOption notice above
* for _tariffIndex Tariff of caller Service Provider (msg.sender)
*/functioneditTariffPayOption(uint256 _tariffIndex,
uint256 _payWithIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) external{
_editTariffPayOption(
msg.sender,
_tariffIndex,
_payWithIndex,
_paymentToken,
_paymentAmount,
_agentFeePercent
);
}
/**
* @notice Authorize agent for caller service provider
* @dev Call this method from ServiceProvider
*
* @param _agent - address of contract that implement Agent role
* @param _serviceTariffIndexes - array of index in `availableTariffs` array
* that available for given `_agent`
* @return full array of actual tarifs for this agent
*/functionauthorizeAgentForService(address _agent,
uint256[] calldata _serviceTariffIndexes
) externalvirtualreturns (uint256[] memory)
{
// remove previouse tariffsdelete agentServiceRegistry[msg.sender][_agent];
uint256[] storage currentServiceTariffsOfAgent = agentServiceRegistry[msg.sender][_agent];
// check that adding tariffs still availablefor(uint256 i; i < _serviceTariffIndexes.length; ++ i) {
if (availableTariffs[msg.sender][_serviceTariffIndexes[i]].subscription.isAvailable){
currentServiceTariffsOfAgent.push(_serviceTariffIndexes[i]);
}
}
return currentServiceTariffsOfAgent;
}
/**
* @notice By Ticket for subscription
* @dev Call this method from Agent
*
* @param _service - Service Provider address
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @param _buyFor - address for whome this ticket would be bought
* @param _payer - address of payer for this ticket
* @return ticket structure that would be use for validate service process
*/functionbuySubscription(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex,
address _buyFor,
address _payer
) externalpayablereturns(Ticket memory ticket) {
// Cant buy ticket for nobodyrequire(_buyFor !=address(0),'Cant buy ticket for nobody');
require(
availableTariffs[_service][_tariffIndex].subscription.isAvailable,
'This subscription not available'
);
// Not used in this implementation// require(// availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount > 0,// 'This Payment option not available'// );// Check that agent is authorized for purchace of this servicerequire(
_isAgentAuthorized(msg.sender, _service, _tariffIndex),
'Agent not authorized for this service tariff'
);
(bool isValid, bool needFix) = _isTicketValid(_buyFor, _service);
require(!isValid, 'Only one valid ticket at time');
//lets safe user ticket (only one ticket available in this version)
ticket = Ticket(
availableTariffs[_service][_tariffIndex].subscription.ticketValidPeriod +block.timestamp,
availableTariffs[_service][_tariffIndex].subscription.counter
);
userTickets[_buyFor][_service] = ticket;
// Lets receive payment tokens FROM senderif (availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount >0){
_processPayment(_service, _tariffIndex, _payWithIndex, _payer);
}
emit TicketIssued(_service, msg.sender, _buyFor, _tariffIndex);
}
/**
* @notice Check that `_user` have still valid ticket for this service.
* Decrement ticket counter in case it > 0
* @dev Call this method from ServiceProvider
*
* @param _user - address of user who has an ticket and who trying get service
* @return ok True in case ticket is valid
*/functioncheckAndFixUserSubscription(address _user
) externalreturns (bool ok){
address _service =msg.sender;
// Check user ticket
(bool isValid, bool needFix) = _isTicketValid(_user, msg.sender);
// Proxy to previosif (!isValid && previousRegistry !=address(0)) {
(isValid, needFix) = ISubscriptionRegistry(previousRegistry).checkUserSubscription(
_user,
_service
);
// Case when valid ticket stored in previousManagerif (isValid ) {
if (needFix){
ISubscriptionRegistry(previousRegistry).fixUserSubscription(
_user,
_service
);
}
ok =true;
return ok;
}
}
require(isValid,'Valid ticket not found');
// Fix action (for subscription with counter)if (needFix){
_fixUserSubscription(_user, msg.sender);
}
ok =true;
}
/**
* @notice Decrement ticket counter in case it > 0
* @dev Call this method from new SubscriptionRegistry in case of upgrade
*
* @param _user - address of user who has an ticket and who trying get service
* @param _serviceFromProxy - address of service from more new SubscriptionRegistry contract
*/functionfixUserSubscription(address _user,
address _serviceFromProxy
) public{
require(proxyRegistry !=address(0) &&msg.sender== proxyRegistry,
'Only for future registry'
);
_fixUserSubscription(_user, _serviceFromProxy);
}
/////////////////////////////////////////////////////////////////**
* @notice Check that `_user` have still valid ticket for this service.
* @dev Call this method from any context
*
* @param _user - address of user who has an ticket and who trying get service
* @param _service - address of Service Provider
* @return ok True in case ticket is valid
* @return needFix True in case ticket has counter > 0
*/functioncheckUserSubscription(address _user,
address _service
) externalviewreturns (bool ok, bool needFix) {
(ok, needFix) = _isTicketValid(_user, _service);
if (!ok && previousRegistry !=address(0)) {
(ok, needFix) = ISubscriptionRegistry(previousRegistry).checkUserSubscription(
_user,
_service
);
}
}
/**
* @notice Returns `_user` ticket for this service.
* @dev Call this method from any context
*
* @param _user - address of user who has an ticket and who trying get service
* @param _service - address of Service Provider
* @return ticket
*/functiongetUserTicketForService(address _service,
address _user
) publicviewreturns(Ticket memory)
{
return userTickets[_user][_service];
}
/**
* @notice Returns array of Tariff for `_service`
* @dev Call this method from any context
*
* @param _service - address of Service Provider
* @return Tariff array
*/functiongetTariffsForService(address _service) externalviewreturns (Tariff[] memory) {
return availableTariffs[_service];
}
/**
* @notice Returns ticket price include any fees
* @dev Call this method from any context
*
* @param _service - address of Service Provider
* @param _tariffIndex - index in `availableTariffs` array
* @param _payWithIndex - index in `tariff.payWith` array
* @return tulpe with payment token an ticket price
*/functiongetTicketPrice(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex
) publicviewvirtualreturns (address, uint256)
{
if (availableTariffs[_service][_tariffIndex].subscription.timelockPeriod !=0)
{
return(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
} else {
return(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
+ availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].agentFeePercent
/PERCENT_DENOMINATOR
+ availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*_platformFeePercent(_service, _tariffIndex, _payWithIndex)
/PERCENT_DENOMINATOR
);
}
}
/**
* @notice Returns array of Tariff for `_service` assigned to `_agent`
* @dev Call this method from any context
*
* @param _agent - address of Agent
* @param _service - address of Service Provider
* @return tuple with two arrays: indexes and Tariffs
*/functiongetAvailableAgentsTariffForService(address _agent,
address _service
) externalviewvirtualreturns(uint256[] memory, Tariff[] memory)
{
//First need get count of tarifs that still availableuint256 availableCount;
for (uint256 i; i < agentServiceRegistry[_service][_agent].length; ++i){
if (availableTariffs[_service][
agentServiceRegistry[_service][_agent][i]
].subscription.isAvailable
) {++availableCount;}
}
Tariff[] memory tariffs =new Tariff[](availableCount);
uint256[] memory indexes =newuint256[](availableCount);
for (uint256 i; i < agentServiceRegistry[_service][_agent].length; ++i){
if (availableTariffs[_service][
agentServiceRegistry[_service][_agent][i]
].subscription.isAvailable
)
{
tariffs[availableCount -1] = availableTariffs[_service][
agentServiceRegistry[_service][_agent][i]
];
indexes[availableCount -1] = agentServiceRegistry[_service][_agent][i];
--availableCount;
}
}
return (indexes, tariffs);
}
////////////////////////////////////////////////////////////////////////// Admins //////////////////////////////////////////////////////////////////////functionsetAssetForPaymentState(address _asset, bool _isEnable)
externalonlyOwner{
whiteListedForPayments[_asset] = _isEnable;
emit WhitelistPaymentTokenChanged(_asset, _isEnable);
}
functionsetMainWrapper(address _wrapper) externalonlyOwner{
mainWrapper = _wrapper;
}
functionsetPlatformOwner(address _newOwner) external{
require(msg.sender== platformOwner, 'Only platform owner');
require(_newOwner !=address(0),'Zero platform fee receiver');
platformOwner = _newOwner;
}
functionsetPlatformFeePercent(uint16 _newPercent) external{
require(msg.sender== platformOwner, 'Only platform owner');
platformFeePercent = _newPercent;
emit PlatfromFeeChanged(platformFeePercent);
}
functionsetPreviousRegistry(address _registry) externalonlyOwner{
previousRegistry = _registry;
}
functionsetProxyRegistry(address _registry) externalonlyOwner{
proxyRegistry = _registry;
}
/////////////////////////////////////////////////////////////////////function_processPayment(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex,
address _payer
)
internalvirtualreturns(bool)
{
// there are two payment method for this implementation.// 1. with wrap and lock in asset (no fees)// 2. simple payment (agent & platform fee enabled)if (availableTariffs[_service][_tariffIndex].subscription.timelockPeriod !=0){
require(msg.value==0, 'Ether Not accepted in this method');
// 1. with wrap and lock in asset
IERC20(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
).safeTransferFrom(
_payer,
address(this),
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
// Lets approve received for wrap
IERC20(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
).safeApprove(
mainWrapper,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
// Lets wrap with timelock and appropriate params
ETypes.INData memory _inData;
ETypes.AssetItem[] memory _collateralERC20 =new ETypes.AssetItem[](1);
ETypes.Lock[] memory timeLock =new ETypes.Lock[](1);
// Only need set timelock for this wNFT
timeLock[0] = ETypes.Lock(
0x00, // timelock
availableTariffs[_service][_tariffIndex].subscription.timelockPeriod +block.timestamp
);
_inData = ETypes.INData(
ETypes.AssetItem(
ETypes.Asset(ETypes.AssetType.EMPTY, address(0)),
0,0
), // INAssetaddress(0), // Unwrap destinition new ETypes.Fee[](0), // Fees//new ETypes.Lock[](0), // Locks
timeLock,
new ETypes.Royalty[](0), // Royalties
ETypes.AssetType.ERC721, // Out type0, // Out Balance0x0000// Rules
);
_collateralERC20[0] = ETypes.AssetItem(
ETypes.Asset(
ETypes.AssetType.ERC20,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
),
0,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
ITrustedWrapper(mainWrapper).wrap(
_inData,
_collateralERC20,
_payer
);
} else {
// 2. simple paymentif (availableTariffs[_service][_tariffIndex]
.payWith[_payWithIndex]
.paymentToken !=address(0)
)
{
// pay with erc20 require(msg.value==0, 'Ether Not accepted in this method');
// 2.1. Body payment
IERC20(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
).safeTransferFrom(
_payer,
availableTariffs[_service][_tariffIndex].subscription.beneficiary,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
// 2.2. Agent fee payment
IERC20(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
).safeTransferFrom(
_payer,
msg.sender,
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].agentFeePercent
/PERCENT_DENOMINATOR
);
// 2.3. Platform fee uint256 _pFee = _platformFeePercent(_service, _tariffIndex, _payWithIndex);
if (_pFee >0) {
IERC20(
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentToken
).safeTransferFrom(
_payer,
platformOwner, //
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*_pFee
/PERCENT_DENOMINATOR
);
}
} else {
// pay with native token(eth, bnb, etc)
(, uint256 needPay) = getTicketPrice(_service, _tariffIndex,_payWithIndex);
require(msg.value>= needPay, 'Not enough ether');
// 2.4. Body ether payment
sendValue(
payable(availableTariffs[_service][_tariffIndex].subscription.beneficiary),
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
);
// 2.5. Agent fee payment
sendValue(
payable(msg.sender),
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].agentFeePercent
/PERCENT_DENOMINATOR
);
// 2.3. Platform fee uint256 _pFee = _platformFeePercent(_service, _tariffIndex, _payWithIndex);
if (_pFee >0) {
sendValue(
payable(platformOwner),
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex].paymentAmount
*_pFee
/PERCENT_DENOMINATOR
);
}
// return changeif ((msg.value- needPay) >0) {
addresspayable s =payable(_payer);
s.transfer(msg.value- needPay);
}
}
}
}
// In this impementation params not used. // Can be ovveriden in other casesfunction_platformFeePercent(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex
) internalviewvirtualreturns(uint256)
{
return platformFeePercent;
}
function_addTariff(address _service, Tariff calldata _newTariff)
internalreturns(uint256)
{
require (_newTariff.payWith.length>0, 'No payment method');
for (uint256 i; i < _newTariff.payWith.length; ++i){
require(
whiteListedForPayments[_newTariff.payWith[i].paymentToken],
'Not whitelisted for payments'
);
}
require(
_newTariff.subscription.ticketValidPeriod >0|| _newTariff.subscription.counter >0,
'Tariff has no valid ticket option'
);
availableTariffs[_service].push(_newTariff);
emit TariffChanged(_service, availableTariffs[_service].length-1);
return availableTariffs[_service].length-1;
}
function_editTariff(address _service,
uint256 _tariffIndex,
uint256 _timelockPeriod,
uint256 _ticketValidPeriod,
uint256 _counter,
bool _isAvailable,
address _beneficiary
) internal{
availableTariffs[_service][_tariffIndex].subscription.timelockPeriod = _timelockPeriod;
availableTariffs[_service][_tariffIndex].subscription.ticketValidPeriod = _ticketValidPeriod;
availableTariffs[_service][_tariffIndex].subscription.counter = _counter;
availableTariffs[_service][_tariffIndex].subscription.isAvailable = _isAvailable;
availableTariffs[_service][_tariffIndex].subscription.beneficiary = _beneficiary;
emit TariffChanged(_service, _tariffIndex);
}
function_addTariffPayOption(address _service,
uint256 _tariffIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) internalreturns(uint256)
{
require(whiteListedForPayments[_paymentToken], 'Not whitelisted for payments');
availableTariffs[_service][_tariffIndex].payWith.push(
PayOption(_paymentToken, _paymentAmount, _agentFeePercent)
);
emit TariffChanged(_service, _tariffIndex);
return availableTariffs[_service][_tariffIndex].payWith.length-1;
}
function_editTariffPayOption(address _service,
uint256 _tariffIndex,
uint256 _payWithIndex,
address _paymentToken,
uint256 _paymentAmount,
uint16 _agentFeePercent
) internal{
require(whiteListedForPayments[_paymentToken], 'Not whitelisted for payments');
availableTariffs[_service][_tariffIndex].payWith[_payWithIndex]
= PayOption(_paymentToken, _paymentAmount, _agentFeePercent);
emit TariffChanged(_service, _tariffIndex);
}
function_fixUserSubscription(address _user,
address _service
) internal{
// Fix action (for subscription with counter)if (userTickets[_user][_service].countsLeft >0) {
-- userTickets[_user][_service].countsLeft;
}
}
function_isTicketValid(address _user, address _service)
internalviewreturns (bool isValid, bool needFix )
{
isValid = userTickets[_user][_service].validUntil >block.timestamp|| userTickets[_user][_service].countsLeft >0;
needFix = userTickets[_user][_service].countsLeft >0;
}
function_isAgentAuthorized(address _agent,
address _service,
uint256 _tariffIndex
)
internalviewreturns(bool authorized)
{
for (uint256 i; i < agentServiceRegistry[_service][_agent].length; ++ i){
if (agentServiceRegistry[_service][_agent][i] == _tariffIndex){
authorized =true;
return authorized;
}
}
}
functionsendValue(addresspayable recipient, uint256 amount) internal{
require(address(this).balance>= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
}