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Cover.sol
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Cover.sol
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// Neptune Mutual Protocol (https://neptunemutual.com)
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
import "./CoverBase.sol";
import "../../interfaces/ICoverStake.sol";
import "../../interfaces/ICoverStake.sol";
import "../../interfaces/IVault.sol";
import "../liquidity/Vault.sol";
/**
* @title Cover Contract
* @dev The cover contract enables you to manage onchain covers.
*
*/
contract Cover is CoverBase {
using AccessControlLibV1 for IStore;
using CoverLibV1 for IStore;
using CoverUtilV1 for IStore;
using StoreKeyUtil for IStore;
using ProtoUtilV1 for IStore;
using ValidationLibV1 for IStore;
using RoutineInvokerLibV1 for IStore;
/**
* @dev Constructs this contract
* @param store Enter the store
*/
constructor(IStore store) CoverBase(store) {} // solhint-disable-line
/**
* @dev Adds a new coverage pool or cover contract.
* To add a new cover, you need to pay cover creation fee
* and stake minimum amount of NPM in the Vault. <br /> <br />
*
* Through the governance portal, projects will be able redeem
* the full cover fee at a later date. <br /> <br />
*
* **Apply for Fee Redemption** <br />
*
* https://docs.neptunemutual.com/covers/cover-fee-redemption <br /><br />
*
* Read the documentation to learn more about the fees: <br />
* https://docs.neptunemutual.com/covers/contract-creators
*
*
* @custom:suppress-acl This is a publicly accessible feature. Can only be called by a whitelisted address.
*/
function addCover(AddCoverArgs calldata args) public override nonReentrant returns (address) {
s.mustNotBePaused();
s.senderMustBeWhitelistedCoverCreator();
require(args.stakeWithFee >= s.getUintByKey(ProtoUtilV1.NS_COVER_CREATION_MIN_STAKE), "Your stake is too low");
s.addCoverInternal(args);
emit CoverCreated(args.coverKey, args.info, args.tokenName, args.tokenSymbol, args.supportsProducts, args.requiresWhitelist);
address vault = s.deployVaultInternal(args.coverKey, args.tokenName, args.tokenSymbol);
emit VaultDeployed(args.coverKey, vault);
return vault;
}
function addCovers(AddCoverArgs[] calldata args) external override returns (address[] memory vaults) {
vaults = new address[](args.length + 1);
for (uint256 i = 0; i < args.length; i++) {
vaults[i] = addCover(args[i]);
}
}
/**
* @dev Updates the cover contract.
* This feature is accessible only to the cover manager during withdrawal period.
*
* @param coverKey Enter the cover key
* @param info IPFS hash. Check out the [documentation](https://docs.neptunemutual.com/sdk/managing-covers) for more info.
*
*/
function updateCover(bytes32 coverKey, string calldata info) external override nonReentrant {
s.mustNotBePaused();
s.mustEnsureAllProductsAreNormal(coverKey);
AccessControlLibV1.mustBeCoverManager(s);
s.mustBeDuringWithdrawalPeriod(coverKey);
require(keccak256(bytes(s.getStringByKeys(ProtoUtilV1.NS_COVER_INFO, coverKey))) != keccak256(bytes(info)), "Duplicate content");
s.updateCoverInternal(coverKey, info);
emit CoverUpdated(coverKey, info);
}
/**
* @dev Adds a product under a diversified cover pool
*
* @custom:suppress-acl This function can only be accessed by the cover owner or an admin
*
*/
function addProduct(AddProductArgs calldata args) public override nonReentrant {
// @suppress-zero-value-check The uint values are validated in the function `addProductInternal`
s.mustNotBePaused();
s.senderMustBeWhitelistedCoverCreator();
s.senderMustBeCoverOwnerOrAdmin(args.coverKey);
s.addProductInternal(args);
emit ProductCreated(args.coverKey, args.productKey, args.info);
}
function addProducts(AddProductArgs[] calldata args) external override {
for (uint256 i = 0; i < args.length; i++) {
addProduct(args[i]);
}
}
/**
* @dev Updates a cover product.
* This feature is accessible only to the cover manager during withdrawal period.
*
*/
function updateProduct(UpdateProductArgs calldata args) external override nonReentrant {
// @suppress-zero-value-check The uint values are validated in the function `updateProductInternal`
s.mustNotBePaused();
s.mustBeSupportedProductOrEmpty(args.coverKey, args.productKey);
AccessControlLibV1.mustBeCoverManager(s);
s.mustBeDuringWithdrawalPeriod(args.coverKey);
s.updateProductInternal(args);
emit ProductUpdated(args.coverKey, args.productKey, args.info);
}
/**
* @dev Allows disabling and enabling the purchase of policy for a product or cover.
*
* This function enables governance admin to disable or enable the purchase of policy for a product or cover.
* A cover contract when stopped restricts new policy purchases
* and frees up liquidity as policies expires.
*
* 1. The policy purchases can be disabled and later enabled after current policies expire and liquidity is withdrawn.
* 2. The policy purchases can be disabled temporarily to allow liquidity providers a chance to exit.
*
* @param coverKey Enter the cover key you want to disable policy purchases
* @param productKey Enter the product key you want to disable policy purchases
* @param status Set this to true if you disable or false to enable policy purchases
* @param reason Provide a reason to disable the policy purchases
*
*/
function disablePolicy(
bytes32 coverKey,
bytes32 productKey,
bool status,
string calldata reason
) external override nonReentrant {
s.mustNotBePaused();
AccessControlLibV1.mustBeCoverManager(s);
s.mustBeSupportedProductOrEmpty(coverKey, productKey);
require(status != s.isPolicyDisabledInternal(coverKey, productKey), status ? "Already disabled" : "Already enabled");
s.disablePolicyInternal(coverKey, productKey, status);
emit ProductStateUpdated(coverKey, productKey, msg.sender, status, reason);
}
/**
* @dev Adds or removes an account to the cover creator whitelist.
* For the first version of the protocol, a cover creator has to be whitelisted
* before they can call the `addCover` function.
*
* @param accounts Enter list of address of cover creators
* @param statuses Set this to true if you want to add to or false to remove from the whitelist
*
*/
function updateCoverCreatorWhitelist(address[] calldata accounts, bool[] calldata statuses) external override nonReentrant {
require(accounts.length > 0, "Please specify an account");
require(accounts.length == statuses.length, "Invalid args");
s.mustNotBePaused();
AccessControlLibV1.mustBeCoverManager(s);
for (uint256 i = 0; i < accounts.length; i++) {
s.updateCoverCreatorWhitelistInternal(accounts[i], statuses[i]);
emit CoverCreatorWhitelistUpdated(accounts[i], statuses[i]);
}
}
/**
* @dev Adds or removes an account from the cover user whitelist.
* Whitelisting is an optional feature cover creators can enable.
*
* When a cover requires whitelist, you must add accounts
* to the cover user whitelist before they are able to purchase policies.
*
* @custom:suppress-acl This function is only accessilbe to the cover owner or admin
*
* @param coverKey Enter cover key
* @param productKey Enter product key
* @param accounts Enter a list of accounts you would like to update the whitelist statuses of.
* @param statuses Enter respective statuses of the specified whitelisted accounts.
*
*/
function updateCoverUsersWhitelist(
bytes32 coverKey,
bytes32 productKey,
address[] calldata accounts,
bool[] calldata statuses
) external override nonReentrant {
s.mustNotBePaused();
s.mustBeSupportedProductOrEmpty(coverKey, productKey);
s.senderMustBeCoverOwnerOrAdmin(coverKey);
s.updateCoverUsersWhitelistInternal(coverKey, productKey, accounts, statuses);
}
/**
* @dev Signifies if the given account is a whitelisted cover creator
*/
function checkIfWhitelistedCoverCreator(address account) external view override returns (bool) {
return s.getAddressBooleanByKey(ProtoUtilV1.NS_COVER_CREATOR_WHITELIST, account);
}
/**
* @dev Signifies if the given account is a whitelisted user
*/
function checkIfWhitelistedUser(
bytes32 coverKey,
bytes32 productKey,
address account
) external view override returns (bool) {
return s.getAddressBooleanByKeys(ProtoUtilV1.NS_COVER_USER_WHITELIST, coverKey, productKey, account);
}
}