13125162639

Committed 03 Feb 2025 11:47PM UTC coverage: 89.245% (-0.2%) from 89.489%

Build # 13125162639

Build Type

Pull #1238

github

Committed by

web-flow

Commit Message

Merge bd5af51f4 into 34976504d

Pull Request Pull Request #1238: ERC1155 Compatibility

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/contracts/src/external/HyperdriveTarget0.sol

// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.24;

import { IERC20 } from "../interfaces/IERC20.sol";
import { IHyperdrive } from "../interfaces/IHyperdrive.sol";
import { IHyperdriveAdminController } from "../interfaces/IHyperdriveAdminController.sol";
import { IHyperdriveRead } from "../interfaces/IHyperdriveRead.sol";
import { HyperdriveAdmin } from "../internal/HyperdriveAdmin.sol";
import { HyperdriveCheckpoint } from "../internal/HyperdriveCheckpoint.sol";
import { HyperdriveLong } from "../internal/HyperdriveLong.sol";
import { HyperdriveLP } from "../internal/HyperdriveLP.sol";
import { HyperdriveMultiToken } from "../internal/HyperdriveMultiToken.sol";
import { HyperdrivePair } from "../internal/HyperdrivePair.sol";
import { HyperdriveShort } from "../internal/HyperdriveShort.sol";
import { HyperdriveStorage } from "../internal/HyperdriveStorage.sol";
import { AssetId } from "../libraries/AssetId.sol";
import { VERSION } from "../libraries/Constants.sol";
import { FixedPointMath } from "../libraries/FixedPointMath.sol";
import { LPMath } from "../libraries/LPMath.sol";

/// @author DELV
/// @title HyperdriveTarget0
/// @notice Hyperdrive's target 0 logic contract.
/// @custom:disclaimer The language used in this code is for coding convenience
///                    only, and is not intended to, and does not, have any
///                    particular legal or regulatory significance.
abstract contract HyperdriveTarget0 is
    IHyperdriveRead,
    HyperdriveAdmin,
    HyperdriveMultiToken,
    HyperdriveLP,
    HyperdriveLong,
    HyperdriveShort,
    HyperdrivePair,
    HyperdriveCheckpoint
{
    using FixedPointMath for uint256;

    /// @notice Instantiates target0.
    /// @param _config The configuration of the Hyperdrive pool.
    /// @param __adminController The admin controller that will specify the
    ///        admin parameters for this contract.
    constructor(
        IHyperdrive.PoolConfig memory _config,
        IHyperdriveAdminController __adminController
    ) HyperdriveStorage(_config, __adminController) {}

    /// Admin ///

    // TODO: This function doesn't do anything anymore and is only here for
    // backwards compatability. This can be removed when the factory is upgraded.
    //
    /// @notice A stub for the old setPauser functions that doesn't do anything
    ///         anymore.
    /// @dev Don't call this. It doesn't do anything.
    function setGovernance(address) external {}

    // TODO: This function doesn't do anything anymore and is only here for
    // backwards compatability. This can be removed when the factory is upgraded.
    //
    /// @notice A stub for the old setPauser functions that doesn't do anything
    ///         anymore.
    /// @dev Don't call this. It doesn't do anything.
    function setPauser(address, bool) external {}

    /// @notice This function collects the governance fees accrued by the pool.
    /// @param _options The options that configure how the fees are settled.
    /// @return proceeds The governance fees collected. The units of this
    ///         quantity are either base or vault shares, depending on the value
    ///         of `_options.asBase`.
    function collectGovernanceFee(
        IHyperdrive.Options calldata _options
    ) external returns (uint256 proceeds) {
        return _collectGovernanceFee(_options);
    }

    /// @notice Allows an authorized address to pause this contract.
    /// @param _status True to pause all deposits and false to unpause them.
    function pause(bool _status) external {
        _pause(_status);
    }

    /// @notice Transfers the contract's balance of a target token to the sweep
    ///         collector address.
    /// @dev WARN: It is unlikely but possible that there is a selector overlap
    ///      with 'transfer'. Any integrating contracts should be checked
    ///      for that, as it may result in an unexpected call from this address.
    /// @param _target The target token to sweep.
    function sweep(IERC20 _target) external {
        _sweep(_target);
    }

    /// MultiToken ///

    /// @notice Permissioned transfer for the bridge to access, only callable by
    ///         the ERC20 linking bridge.
    /// @param tokenID The token identifier.
    /// @param from The address whose balance will be reduced.
    /// @param to The address whose balance will be increased.
    /// @param amount The amount of token to move.
    /// @param caller The msg.sender from the bridge.
    function transferFromBridge(
        uint256 tokenID,
        address from,
        address to,
        uint256 amount,
        address caller
    ) external onlyLinker(tokenID) {
        // Route to our internal transfer
        _transferFrom(tokenID, from, to, amount, caller);
    }

    /// @notice Allows the compatibility linking contract to forward calls to
    ///         set asset approvals.
    /// @param tokenID The asset to approve the use of.
    /// @param operator The address who will be able to use the tokens.
    /// @param amount The max tokens the approved person can use, setting to
    ///        uint256.max will cause the value to never decrement [saving gas
    ///        on transfer].
    /// @param caller The eth address which called the linking contract.
    function setApprovalBridge(
        uint256 tokenID,
        address operator,
        uint256 amount,
        address caller
    ) external onlyLinker(tokenID) {
        _setApproval(tokenID, operator, amount, caller);
    }

    /// @notice Allows a user to approve an operator to use all of their assets.
    /// @param operator The eth address which can access the caller's assets.
    /// @param approved True to approve, false to remove approval.
    function setApprovalForAll(address operator, bool approved) external {
        // set the appropriate state
        _isApprovedForAll[msg.sender][operator] = approved;
        // Emit an event to track approval
        emit ApprovalForAll(msg.sender, operator, approved);
    }

    /// @notice Allows a user to set an approval for an individual asset with
    ///         specific amount.
    /// @param tokenID The asset to approve the use of.
    /// @param operator The address who will be able to use the tokens.
    /// @param amount The max tokens the approved person can use, setting to
    ///        uint256.max will cause the value to never decrement (saving gas
    ///        on transfer).
    function setApproval(
        uint256 tokenID,
        address operator,
        uint256 amount
    ) external {
        _setApproval(tokenID, operator, amount, msg.sender);
    }

    /// @dev Safely transfers tokens, checking if recipient is a contract and
    ///      can handle ERC1155 tokens.
    /// @param _from The source address.
    /// @param _to The destination address.
    /// @param _id The token identifier.
    /// @param _amount The amount to transfer.
    /// @param _data Additional data to pass to recipient if it's a contract.
    function safeTransferFrom(
        address _from,
        address _to,
        uint256 _id,
        uint256 _amount,
        bytes calldata _data
    ) external {
        _safeTransferFrom(_from, _to, _id, _amount, _data);
    }

    /// @dev Safely transfers multiple tokens in a batch.
    /// @param _from The source address.
    /// @param _to The destination address.
    /// @param _ids Array of token identifiers.
    /// @param _amounts Array of amounts to transfer for each token.
    /// @param _data Additional data to pass to recipient if it's a contract.
    function safeBatchTransferFrom(
        address _from,
        address _to,
        uint256[] calldata _ids,
        uint256[] calldata _amounts,
        bytes calldata _data
    ) external {
        _safeBatchTransferFrom(_from, _to, _ids, _amounts, _data);
    }

    /// @notice Allows a caller who is not the owner of an account to execute
    ///         the functionality of 'approve' for all assets with the owner's
    ///         signature.
    /// @param domainSeparator The EIP712 domain separator of the contract.
    /// @param permitTypeHash The EIP712 domain separator of the contract.
    /// @param owner The owner of the account which is having the new approval set.
    /// @param spender The address which will be allowed to spend owner's tokens.
    /// @param _approved A boolean of the approval status to set to.
    /// @param deadline The timestamp which the signature must be submitted by
    ///        to be valid.
    /// @param v Extra ECDSA data which allows public key recovery from
    ///        signature assumed to be 27 or 28.
    /// @param r The r component of the ECDSA signature.
    /// @param s The s component of the ECDSA signature.
    /// @dev The signature for this function follows EIP 712 standard and should
    ///      be generated with the eth_signTypedData JSON RPC call instead of
    ///      the eth_sign JSON RPC call. If using out of date parity signing
    ///      libraries the v component may need to be adjusted. Also it is very
    ///      rare but possible for v to be other values, those values are not
    ///      supported.
    function permitForAll(
        bytes32 domainSeparator,
        bytes32 permitTypeHash,
        address owner,
        address spender,
        bool _approved,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        _permitForAll(
            domainSeparator,
            permitTypeHash,
            owner,
            spender,
            _approved,
            deadline,
            v,
            r,
            s
        );
    }

    /// Getters ///

    /// @notice Gets the instance's name.
    /// @return The instance's name.
    function name() external view returns (string memory) {
        _revert(abi.encode(_name));
    }

    /// @notice Gets the instance's kind.
    /// @return The instance's kind.
    function kind() external pure virtual returns (string memory);

    /// @notice Gets the instance's version.
    /// @return The instance's version.
    function version() external pure returns (string memory) {
        _revert(abi.encode(VERSION));
    }

    /// @notice Gets the address that contains the admin configuration for this
    ///         instance.
    /// @return The admin controller address.
    function adminController() external view returns (address) {
        _revert(abi.encode(_adminController));
    }

    /// @notice Gets the pauser status of an address.
    /// @param _account The account to check.
    /// @return The pauser status.
    function isPauser(address _account) external view returns (bool) {
        _revert(abi.encode(_isPauser(_account)));
    }

    /// @notice Gets the base token.
    /// @return The base token address.
    function baseToken() external view returns (address) {
        _revert(abi.encode(_baseToken));
    }

    /// @notice Gets the vault shares token.
    /// @return The vault shares token address.
    function vaultSharesToken() external view returns (address) {
        _revert(abi.encode(_vaultSharesToken));
    }

    /// @notice Gets a specified checkpoint.
    /// @param _checkpointTime The checkpoint time.
    /// @return The checkpoint.
    function getCheckpoint(
        uint256 _checkpointTime
    ) external view returns (IHyperdrive.Checkpoint memory) {
        _revert(abi.encode(_checkpoints[_checkpointTime]));
    }

    /// @notice Gets the checkpoint exposure at a specified time.
    /// @param _checkpointTime The checkpoint time.
    /// @return The checkpoint exposure.
    function getCheckpointExposure(
        uint256 _checkpointTime
    ) external view returns (int256) {
        _revert(
            abi.encode(_nonNettedLongs(_checkpointTime + _positionDuration))
        );
    }

    /// @notice Gets the pool's configuration parameters.
    /// @dev These parameters are immutable, so this should only need to be
    ///      called once.
    /// @return The PoolConfig struct.
    function getPoolConfig()
        external
        view
        returns (IHyperdrive.PoolConfig memory)
    {
        _revert(
            abi.encode(
                IHyperdrive.PoolConfig({
                    baseToken: _baseToken,
                    vaultSharesToken: _vaultSharesToken,
                    linkerFactory: _linkerFactory,
                    linkerCodeHash: _linkerCodeHash,
                    initialVaultSharePrice: _initialVaultSharePrice,
                    minimumShareReserves: _minimumShareReserves,
                    minimumTransactionAmount: _minimumTransactionAmount,
                    circuitBreakerDelta: _circuitBreakerDelta,
                    positionDuration: _positionDuration,
                    checkpointDuration: _checkpointDuration,
                    timeStretch: _timeStretch,
                    governance: _adminController.hyperdriveGovernance(),
                    feeCollector: _adminController.feeCollector(),
                    sweepCollector: _adminController.sweepCollector(),
                    checkpointRewarder: _adminController.checkpointRewarder(),
                    fees: IHyperdrive.Fees(
                        _curveFee,
                        _flatFee,
                        _governanceLPFee,
                        _governanceZombieFee
                    )
                })
            )
        );
    }

    /// @notice Gets info about the pool's reserves and other state that is
    ///         important to evaluate potential trades.
    /// @return The pool info.
    function getPoolInfo() external view returns (IHyperdrive.PoolInfo memory) {
        uint256 vaultSharePrice = _pricePerVaultShare();
        uint256 lpTotalSupply = _totalSupply[AssetId._LP_ASSET_ID] +
            _totalSupply[AssetId._WITHDRAWAL_SHARE_ASSET_ID] -
            _withdrawPool.readyToWithdraw;
        uint256 presentValue;
        if (vaultSharePrice > 0) {
            (presentValue, ) = LPMath.calculatePresentValueSafe(
                _getPresentValueParams(vaultSharePrice)
            );
            presentValue = presentValue.mulDown(vaultSharePrice);
        }
        IHyperdrive.PoolInfo memory poolInfo = IHyperdrive.PoolInfo({
            shareReserves: _marketState.shareReserves,
            shareAdjustment: _marketState.shareAdjustment,
            zombieBaseProceeds: _marketState.zombieBaseProceeds,
            zombieShareReserves: _marketState.zombieShareReserves,
            bondReserves: _marketState.bondReserves,
            vaultSharePrice: vaultSharePrice,
            longsOutstanding: _marketState.longsOutstanding,
            longAverageMaturityTime: _marketState.longAverageMaturityTime,
            shortsOutstanding: _marketState.shortsOutstanding,
            shortAverageMaturityTime: _marketState.shortAverageMaturityTime,
            lpTotalSupply: lpTotalSupply,
            lpSharePrice: lpTotalSupply == 0
                ? 0
                : presentValue.divDown(lpTotalSupply),
            withdrawalSharesReadyToWithdraw: _withdrawPool.readyToWithdraw,
            withdrawalSharesProceeds: _withdrawPool.proceeds,
            longExposure: _marketState.longExposure
        });
        _revert(abi.encode(poolInfo));
    }

    /// @notice Gets information about the withdrawal pool.
    /// @return Hyperdrive's withdrawal pool information.
    function getWithdrawPool()
        external
        view
        returns (IHyperdrive.WithdrawPool memory)
    {
        _revert(
            abi.encode(
                IHyperdrive.WithdrawPool({
                    readyToWithdraw: _withdrawPool.readyToWithdraw,
                    proceeds: _withdrawPool.proceeds
                })
            )
        );
    }

    /// @notice Gets info about the fees presently accrued by the pool.
    /// @return Governance fees denominated in shares yet to be collected.
    function getUncollectedGovernanceFees() external view returns (uint256) {
        _revert(abi.encode(_governanceFeesAccrued));
    }

    /// @notice Gets the market state.
    /// @return The market state.
    function getMarketState()
        external
        view
        returns (IHyperdrive.MarketState memory)
    {
        _revert(abi.encode(_marketState));
    }

    /// @notice Allows plugin data libs to provide getters or other complex
    ///         logic instead of the main.
    /// @param _slots The storage slots the caller wants the data from.
    /// @return A raw array of loaded data.
    function load(
        uint256[] calldata _slots
    ) external view returns (bytes32[] memory) {
        bytes32[] memory loaded = new bytes32[](_slots.length);

        // Iterate on requested loads and then do them.
        for (uint256 i = 0; i < _slots.length; i++) {
            uint256 slot = _slots[i];
            bytes32 data;
            assembly ("memory-safe") {
                data := sload(slot)
            }
            loaded[i] = data;
        }

        _revert(abi.encode(loaded));
    }

    /// @notice Convert an amount of vault shares to an amount of base.
    /// @dev This is a convenience method that allows developers to convert from
    ///      vault shares to base without knowing the specifics of the
    ///      integration.
    /// @param _shareAmount The vault shares amount.
    /// @return baseAmount The base amount.
    function convertToBase(
        uint256 _shareAmount
    ) external view returns (uint256) {
        _revert(abi.encode(_convertToBase(_shareAmount)));
    }

    /// @notice Convert an amount of base to an amount of vault shares.
    /// @dev This is a convenience method that allows developers to convert from
    ///      base to vault shares without knowing the specifics of the
    ///      integration.
    /// @param _baseAmount The base amount.
    /// @return shareAmount The vault shares amount.
    function convertToShares(
        uint256 _baseAmount
    ) external view returns (uint256) {
        _revert(abi.encode(_convertToShares(_baseAmount)));
    }

    /// @notice Gets the total amount of vault shares held by Hyperdrive.
    /// @dev This is a convenience method that allows developers to get the
    ///      total amount of vault shares without knowing the specifics of the
    ///      integration.
    /// @return The total amount of vault shares held by Hyperdrive.
    function totalShares() external view returns (uint256) {
        _revert(abi.encode(_totalShares()));
    }

    /// @notice Gets an account's balance of a sub-token.
    /// @param _tokenId The sub-token id.
    /// @param _account The account.
    /// @return The balance.
    function balanceOf(
        uint256 _tokenId,
        address _account
    ) external view returns (uint256) {
        _revert(abi.encode(_balanceOf[_tokenId][_account]));
    }

    /// @notice Gets multiple accounts' balances for multiple token IDs.
    /// @param _accounts Array of addresses to check balances for.
    /// @param _ids Array of token IDs to check balances of.
    /// @return Array of token balances.
    function balanceOfBatch(
        address[] calldata _accounts,
        uint256[] calldata _ids
    ) external view returns (uint256[] memory) {
        // Check that input arrays match in length.
        if (_accounts.length != _ids.length) {
            revert IHyperdrive.BatchInputLengthMismatch();
        }

        // Load the balances.
        uint256[] memory batchBalances = new uint256[](_accounts.length);
        uint256 length = _accounts.length;
        for (uint256 i = 0; i < length; ++i) {
            batchBalances[i] = _balanceOf[_ids[i]][_accounts[i]];
        }

        _revert(abi.encode(batchBalances));
    }

    /// @notice Gets the total supply of a sub-token.
    /// @param tokenId The sub-token id.
    /// @return The total supply.
    function totalSupply(uint256 tokenId) external view returns (uint256) {
        _revert(abi.encode(_totalSupply[tokenId]));
    }

    /// @notice Gets the approval status of an operator for an account.
    /// @param account The account.
    /// @param operator The operator.
    /// @return The approval status.
    function isApprovedForAll(
        address account,
        address operator
    ) external view returns (bool) {
        _revert(abi.encode(_isApprovedForAll[account][operator]));
    }

    /// @notice Gets the approval status of an operator for an account.
    /// @param tokenId The sub-token id.
    /// @param account The account.
    /// @param spender The spender.
    /// @return The approval status.
    function perTokenApprovals(
        uint256 tokenId,
        address account,
        address spender
    ) external view returns (uint256) {
        _revert(abi.encode(_perTokenApprovals[tokenId][account][spender]));
    }

    /// @notice Gets the decimals of the MultiToken. This is the same as the
    ///         decimals used by the base token.
    /// @return The decimals of the MultiToken.
    function decimals() external view virtual returns (uint8) {
        _revert(abi.encode(_baseToken.decimals()));
    }

    /// @notice Gets the name of a sub-token.
    /// @param tokenId The sub-token id.
    /// @return The name.
    function name(uint256 tokenId) external pure returns (string memory) {
        _revert(abi.encode(AssetId.assetIdToName(tokenId)));
    }

    /// @notice Gets the symbol of a sub-token.
    /// @param tokenId The sub-token id.
    /// @return The symbol.
    function symbol(uint256 tokenId) external pure returns (string memory) {
        _revert(abi.encode(AssetId.assetIdToSymbol(tokenId)));
    }

    /// @notice Gets the permitForAll signature nonce for an account.
    /// @param account The account.
    /// @return The signature nonce.
    function nonces(address account) external view returns (uint256) {
        _revert(abi.encode(_nonces[account]));
    }

    /// Helpers ///

    /// @dev Reverts with the provided bytes. This is useful in getters used
    ///      with the force-revert delegatecall pattern.
    /// @param _bytes The bytes to revert with.
    function _revert(bytes memory _bytes) internal pure {
        revert IHyperdrive.ReturnData(_bytes);
    }
}

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