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Latest 25 from a total of 2,249 transactions
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Redeem Due Inter... | 16776097 | 556 days ago | IN | 0 ETH | 0.00993224 | ||||
Redeem Due Inter... | 16717290 | 565 days ago | IN | 0 ETH | 0.01527406 | ||||
Remove Liquidity... | 16717210 | 565 days ago | IN | 0 ETH | 0.01084848 | ||||
Redeem Due Inter... | 16717199 | 565 days ago | IN | 0 ETH | 0.00311445 | ||||
Redeem Due Inter... | 16716948 | 565 days ago | IN | 0 ETH | 0.00796479 | ||||
Add Liquidity Si... | 16715353 | 565 days ago | IN | 5 ETH | 0.01156872 | ||||
Swap Exact Yt Fo... | 16714161 | 565 days ago | IN | 0 ETH | 0.0201063 | ||||
Swap Exact Sy Fo... | 16714156 | 565 days ago | IN | 0 ETH | 0.00708745 | ||||
Redeem Due Inter... | 16714152 | 565 days ago | IN | 0 ETH | 0.00452516 | ||||
Redeem Due Inter... | 16713925 | 565 days ago | IN | 0 ETH | 0.00856868 | ||||
Redeem Due Inter... | 16713136 | 565 days ago | IN | 0 ETH | 0.00951282 | ||||
Redeem Due Inter... | 16712585 | 565 days ago | IN | 0 ETH | 0.01058216 | ||||
Swap Exact Sy Fo... | 16710472 | 566 days ago | IN | 0 ETH | 0.00442721 | ||||
Remove Liquidity... | 16710459 | 566 days ago | IN | 0 ETH | 0.00569007 | ||||
Redeem Due Inter... | 16710328 | 566 days ago | IN | 0 ETH | 0.00280617 | ||||
Swap Exact Yt Fo... | 16708550 | 566 days ago | IN | 0 ETH | 0.00551695 | ||||
Add Liquidity Si... | 16708137 | 566 days ago | IN | 0 ETH | 0.00999474 | ||||
Redeem Due Inter... | 16707869 | 566 days ago | IN | 0 ETH | 0.02085927 | ||||
Redeem Due Inter... | 16707676 | 566 days ago | IN | 0 ETH | 0.00344618 | ||||
Add Liquidity Si... | 16706799 | 566 days ago | IN | 0 ETH | 0.03766691 | ||||
Remove Liquidity... | 16706787 | 566 days ago | IN | 0 ETH | 0.00853364 | ||||
Redeem Due Inter... | 16706770 | 566 days ago | IN | 0 ETH | 0.00361319 | ||||
Swap Exact Token... | 16704555 | 567 days ago | IN | 0.01 ETH | 0.00930015 | ||||
Add Liquidity Si... | 16704292 | 567 days ago | IN | 0 ETH | 0.01267423 | ||||
Remove Liquidity... | 16703297 | 567 days ago | IN | 0 ETH | 0.02700962 |
Latest 25 internal transactions (View All)
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16717210 | 565 days ago | 0.51200807 ETH | ||||
16717210 | 565 days ago | 0.51200807 ETH | ||||
16715353 | 565 days ago | 5 ETH | ||||
16704555 | 567 days ago | 0.01 ETH | ||||
16703002 | 567 days ago | 0.01247115 ETH | ||||
16703002 | 567 days ago | 0.01247115 ETH | ||||
16687842 | 569 days ago | 0.07984731 ETH | ||||
16687842 | 569 days ago | 0.07984731 ETH | ||||
16687835 | 569 days ago | 0.30264224 ETH | ||||
16687835 | 569 days ago | 0.30264224 ETH | ||||
16686985 | 569 days ago | 47.91773685 ETH | ||||
16686985 | 569 days ago | 47.91773685 ETH | ||||
16686985 | 569 days ago | 0.62 ETH | ||||
16685186 | 569 days ago | 93 ETH | ||||
16683124 | 570 days ago | 9 ETH | ||||
16681192 | 570 days ago | 0.02 ETH | ||||
16676512 | 570 days ago | 102.54642561 ETH | ||||
16676512 | 570 days ago | 102.54642561 ETH | ||||
16673048 | 571 days ago | 2 ETH | ||||
16670101 | 571 days ago | 50 ETH | ||||
16669943 | 571 days ago | 3.9949933 ETH | ||||
16669943 | 571 days ago | 3.9949933 ETH | ||||
16668869 | 572 days ago | 0.01 ETH | ||||
16666773 | 572 days ago | 0.01 ETH | ||||
16666755 | 572 days ago | 0.01 ETH |
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Contract Name:
PendleRouter
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 90000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol"; import "@openzeppelin/contracts/proxy/Proxy.sol"; import "../interfaces/IPAllAction.sol"; import "../interfaces/IPMarketSwapCallback.sol"; import "../core/libraries/Errors.sol"; /// @dev this contract will be deployed behind an ERC1967 proxy /// calls to the ERC1967 proxy will be resolved at this contract, and proxied again to the /// corresponding implementation contracts // solhint-disable no-empty-blocks contract PendleRouter is Proxy { address public immutable ACTION_MINT_REDEEM; address public immutable ACTION_ADD_REMOVE_LIQ; address public immutable ACTION_SWAP_PT; address public immutable ACTION_SWAP_YT; address public immutable ACTION_SWAP_PTYT; address public immutable ACTION_CALLBACK; address public immutable ACTION_MISC; constructor( address _ACTION_MINT_REDEEM, address _ACTION_ADD_REMOVE_LIQ, address _ACTION_SWAP_PT, address _ACTION_SWAP_YT, address _ACTION_SWAP_PTYT, address _ACTION_CALLBACK, address _ACTION_MISC ) { ACTION_MINT_REDEEM = _ACTION_MINT_REDEEM; ACTION_ADD_REMOVE_LIQ = _ACTION_ADD_REMOVE_LIQ; ACTION_SWAP_PT = _ACTION_SWAP_PT; ACTION_SWAP_YT = _ACTION_SWAP_YT; ACTION_SWAP_PTYT = _ACTION_SWAP_PTYT; ACTION_CALLBACK = _ACTION_CALLBACK; ACTION_MISC = _ACTION_MISC; } receive() external payable virtual override {} function getRouterImplementation(bytes4 sig) public view returns (address) { if ( sig == IPActionMintRedeem.mintSyFromToken.selector || sig == IPActionMintRedeem.redeemSyToToken.selector || sig == IPActionMintRedeem.mintPyFromToken.selector || sig == IPActionMintRedeem.redeemPyToToken.selector || sig == IPActionMintRedeem.mintPyFromSy.selector || sig == IPActionMintRedeem.redeemPyToSy.selector || sig == IPActionMintRedeem.redeemDueInterestAndRewards.selector || sig == IPActionMintRedeem.redeemDueInterestAndRewardsThenSwapAll.selector ) { return ACTION_MINT_REDEEM; } else if ( sig == IPActionAddRemoveLiq.addLiquidityDualSyAndPt.selector || sig == IPActionAddRemoveLiq.addLiquidityDualTokenAndPt.selector || sig == IPActionAddRemoveLiq.addLiquiditySinglePt.selector || sig == IPActionAddRemoveLiq.addLiquiditySingleSy.selector || sig == IPActionAddRemoveLiq.addLiquiditySingleToken.selector || sig == IPActionAddRemoveLiq.removeLiquidityDualSyAndPt.selector || sig == IPActionAddRemoveLiq.removeLiquidityDualTokenAndPt.selector || sig == IPActionAddRemoveLiq.removeLiquiditySinglePt.selector || sig == IPActionAddRemoveLiq.removeLiquiditySingleSy.selector || sig == IPActionAddRemoveLiq.removeLiquiditySingleToken.selector ) { return ACTION_ADD_REMOVE_LIQ; } else if ( sig == IPActionSwapPT.swapExactPtForSy.selector || sig == IPActionSwapPT.swapPtForExactSy.selector || sig == IPActionSwapPT.swapSyForExactPt.selector || sig == IPActionSwapPT.swapExactSyForPt.selector || sig == IPActionSwapPT.swapExactTokenForPt.selector || sig == IPActionSwapPT.swapExactPtForToken.selector ) { return ACTION_SWAP_PT; } else if ( sig == IPActionSwapYT.swapExactYtForSy.selector || sig == IPActionSwapYT.swapSyForExactYt.selector || sig == IPActionSwapYT.swapExactSyForYt.selector || sig == IPActionSwapYT.swapExactTokenForYt.selector || sig == IPActionSwapYT.swapExactYtForToken.selector || sig == IPActionSwapYT.swapYtForExactSy.selector ) { return ACTION_SWAP_YT; } else if ( sig == IPActionSwapPTYT.swapExactPtForYt.selector || sig == IPActionSwapPTYT.swapExactYtForPt.selector ) { return ACTION_SWAP_PTYT; } else if (sig == IPMarketSwapCallback.swapCallback.selector) { return ACTION_CALLBACK; } else if (sig == IPActionMisc.consult.selector) { return ACTION_MISC; } revert Errors.RouterInvalidAction(sig); } function _implementation() internal view override returns (address) { return getRouterImplementation(msg.sig); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.0; /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822Proxiable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeacon { /** * @dev Must return an address that can be used as a delegate call target. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeacon.sol"; import "../../interfaces/draft-IERC1822.sol"; import "../../utils/Address.sol"; import "../../utils/StorageSlot.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ * * @custom:oz-upgrades-unsafe-allow delegatecall */ abstract contract ERC1967Upgrade { // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall( address newImplementation, bytes memory data, bool forceCall ) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { Address.functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallUUPS( address newImplementation, bytes memory data, bool forceCall ) internal { // Upgrades from old implementations will perform a rollback test. This test requires the new // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing // this special case will break upgrade paths from old UUPS implementation to new ones. if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(newImplementation); } else { try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) { require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID"); } catch { revert("ERC1967Upgrade: new implementation is not UUPS"); } _upgradeToAndCall(newImplementation, data, forceCall); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Emitted when the beacon is upgraded. */ event BeaconUpgraded(address indexed beacon); /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( Address.isContract(IBeacon(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall( address newBeacon, bytes memory data, bool forceCall ) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol) pragma solidity ^0.8.0; /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function * and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _fallback() internal virtual { _beforeFallback(); _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data * is empty. */ receive() external payable virtual { _fallback(); } /** * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback` * call, or as part of the Solidity `fallback` or `receive` functions. * * If overridden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.0; import "../../interfaces/draft-IERC1822.sol"; import "../ERC1967/ERC1967Upgrade.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. * * _Available since v4.1._ */ abstract contract UUPSUpgradeable is IERC1822Proxiable, ERC1967Upgrade { /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment address private immutable __self = address(this); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { require(address(this) != __self, "Function must be called through delegatecall"); require(_getImplementation() == __self, "Function must be called through active proxy"); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall"); _; } /** * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate that the this implementation remains valid after an upgrade. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual override notDelegated returns (bytes32) { return _IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. */ function upgradeTo(address newImplementation) external virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, new bytes(0), false); } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. */ function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data, true); } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeTo} and {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal override onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^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. */ interface IERC20Permit { /** * @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]. */ function permit( 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. */ function nonces(address owner) external view returns (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-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed 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. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (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. */ function transfer(address to, uint256 amount) external returns (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. */ function allowance(address owner, address spender) external view returns (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. */ function approve(address spender, uint256 amount) external returns (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. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-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. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, 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. */ function safeApprove( 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)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( 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, bytes memory 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. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @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 * ==== * * [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. * ==== */ function isContract(address account) internal view returns (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://diligence.consensys.net/posts/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/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable 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._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "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._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { 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._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { 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._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { 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._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { 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._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; /// Adapted from UniswapV3's Oracle library Errors { // BulkSeller error BulkInsufficientSyForTrade(uint256 currentAmount, uint256 requiredAmount); error BulkInsufficientTokenForTrade(uint256 currentAmount, uint256 requiredAmount); error BulkInSufficientSyOut(uint256 actualSyOut, uint256 requiredSyOut); error BulkInSufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut); error BulkInsufficientSyReceived(uint256 actualBalance, uint256 requiredBalance); error BulkNotMaintainer(); error BulkNotAdmin(); error BulkSellerAlreadyExisted(address token, address SY, address bulk); error BulkSellerInvalidToken(address token, address SY); error BulkBadRateTokenToSy(uint256 actualRate, uint256 currentRate, uint256 eps); error BulkBadRateSyToToken(uint256 actualRate, uint256 currentRate, uint256 eps); // APPROX error ApproxFail(); error ApproxParamsInvalid(uint256 guessMin, uint256 guessMax, uint256 eps); error ApproxBinarySearchInputInvalid( uint256 approxGuessMin, uint256 approxGuessMax, uint256 minGuessMin, uint256 maxGuessMax ); // MARKET + MARKET MATH CORE error MarketExpired(); error MarketZeroAmountsInput(); error MarketZeroAmountsOutput(); error MarketZeroLnImpliedRate(); error MarketInsufficientPtForTrade(int256 currentAmount, int256 requiredAmount); error MarketInsufficientPtReceived(uint256 actualBalance, uint256 requiredBalance); error MarketInsufficientSyReceived(uint256 actualBalance, uint256 requiredBalance); error MarketZeroTotalPtOrTotalAsset(int256 totalPt, int256 totalAsset); error MarketExchangeRateBelowOne(int256 exchangeRate); error MarketProportionMustNotEqualOne(); error MarketRateScalarBelowZero(int256 rateScalar); error MarketScalarRootBelowZero(int256 scalarRoot); error MarketProportionTooHigh(int256 proportion, int256 maxProportion); error OracleUninitialized(); error OracleTargetTooOld(uint32 target, uint32 oldest); error OracleZeroCardinality(); error MarketFactoryExpiredPt(); error MarketFactoryInvalidPt(); error MarketFactoryMarketExists(); error MarketFactoryLnFeeRateRootTooHigh(uint80 lnFeeRateRoot, uint256 maxLnFeeRateRoot); error MarketFactoryReserveFeePercentTooHigh( uint8 reserveFeePercent, uint8 maxReserveFeePercent ); error MarketFactoryZeroTreasury(); error MarketFactoryInitialAnchorTooLow(int256 initialAnchor, int256 minInitialAnchor); // ROUTER error RouterInsufficientLpOut(uint256 actualLpOut, uint256 requiredLpOut); error RouterInsufficientSyOut(uint256 actualSyOut, uint256 requiredSyOut); error RouterInsufficientPtOut(uint256 actualPtOut, uint256 requiredPtOut); error RouterInsufficientYtOut(uint256 actualYtOut, uint256 requiredYtOut); error RouterInsufficientPYOut(uint256 actualPYOut, uint256 requiredPYOut); error RouterInsufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut); error RouterExceededLimitSyIn(uint256 actualSyIn, uint256 limitSyIn); error RouterExceededLimitPtIn(uint256 actualPtIn, uint256 limitPtIn); error RouterExceededLimitYtIn(uint256 actualYtIn, uint256 limitYtIn); error RouterInsufficientSyRepay(uint256 actualSyRepay, uint256 requiredSyRepay); error RouterInsufficientPtRepay(uint256 actualPtRepay, uint256 requiredPtRepay); error RouterNotAllSyUsed(uint256 netSyDesired, uint256 netSyUsed); error RouterTimeRangeZero(); error RouterCallbackNotPendleMarket(address caller); error RouterInvalidAction(bytes4 selector); error RouterKyberSwapDataZero(); // YIELD CONTRACT error YCExpired(); error YCNotExpired(); error YieldContractInsufficientSy(uint256 actualSy, uint256 requiredSy); error YCNothingToRedeem(); error YCPostExpiryDataNotSet(); error YCNoFloatingSy(); // YieldFactory error YCFactoryInvalidExpiry(); error YCFactoryYieldContractExisted(); error YCFactoryZeroExpiryDivisor(); error YCFactoryZeroTreasury(); error YCFactoryInterestFeeRateTooHigh(uint256 interestFeeRate, uint256 maxInterestFeeRate); error YCFactoryRewardFeeRateTooHigh(uint256 newRewardFeeRate, uint256 maxRewardFeeRate); // SY error SYInvalidTokenIn(address token); error SYInvalidTokenOut(address token); error SYZeroDeposit(); error SYZeroRedeem(); error SYInsufficientSharesOut(uint256 actualSharesOut, uint256 requiredSharesOut); error SYInsufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut); // SY-specific error SYQiTokenMintFailed(uint256 errCode); error SYQiTokenRedeemFailed(uint256 errCode); error SYQiTokenRedeemRewardsFailed(uint256 rewardAccruedType0, uint256 rewardAccruedType1); error SYQiTokenBorrowRateTooHigh(uint256 borrowRate, uint256 borrowRateMax); error SYCurveInvalidPid(); error SYCurve3crvPoolNotFound(); // Liquidity Mining error VCInactivePool(address pool); error VCPoolAlreadyActive(address pool); error VCZeroVePendle(address user); error VCExceededMaxWeight(uint256 totalWeight, uint256 maxWeight); error VCEpochNotFinalized(uint256 wTime); error VCPoolAlreadyAddAndRemoved(address pool); error VEInvalidNewExpiry(uint256 newExpiry); error VEExceededMaxLockTime(); error VEInsufficientLockTime(); error VENotAllowedReduceExpiry(); error VEZeroAmountLocked(); error VEPositionNotExpired(); error VEZeroPosition(); error VEZeroSlope(uint128 bias, uint128 slope); error VEReceiveOldSupply(uint256 msgTime); error GCNotPendleMarket(address caller); error GCNotVotingController(address caller); error InvalidWTime(uint256 wTime); error ExpiryInThePast(uint256 expiry); error ChainNotSupported(uint256 chainId); error FDCantFundFutureEpoch(); error FDFactoryDistributorAlreadyExisted(address pool, address distributor); // Cross-Chain error MsgNotFromSendEndpoint(uint16 srcChainId, bytes path); error MsgNotFromReceiveEndpoint(address sender); error InsufficientFeeToSendMsg(uint256 currentFee, uint256 requiredFee); error ApproxDstExecutionGasNotSet(); error InvalidRetryData(); // GENERIC MSG error ArrayLengthMismatch(); error ArrayEmpty(); error ArrayOutOfBounds(); error ZeroAddress(); error OnlyLayerZeroEndpoint(); error OnlyYT(); error OnlyYCFactory(); error OnlyWhitelisted(); }
// SPDX-License-Identifier: GPL-3.0-or-later // Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated // documentation files (the “Software”), to deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to the following conditions: // The above copyright notice and this permission notice shall be included in all copies or substantial portions of the // Software. // THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE // WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. pragma solidity 0.8.17; /* solhint-disable */ /** * @dev Exponentiation and logarithm functions for 18 decimal fixed point numbers (both base and exponent/argument). * * Exponentiation and logarithm with arbitrary bases (x^y and log_x(y)) are implemented by conversion to natural * exponentiation and logarithm (where the base is Euler's number). * * @author Fernando Martinelli - @fernandomartinelli * @author Sergio Yuhjtman - @sergioyuhjtman * @author Daniel Fernandez - @dmf7z */ library LogExpMath { // All fixed point multiplications and divisions are inlined. This means we need to divide by ONE when multiplying // two numbers, and multiply by ONE when dividing them. // All arguments and return values are 18 decimal fixed point numbers. int256 constant ONE_18 = 1e18; // Internally, intermediate values are computed with higher precision as 20 decimal fixed point numbers, and in the // case of ln36, 36 decimals. int256 constant ONE_20 = 1e20; int256 constant ONE_36 = 1e36; // The domain of natural exponentiation is bound by the word size and number of decimals used. // // Because internally the result will be stored using 20 decimals, the largest possible result is // (2^255 - 1) / 10^20, which makes the largest exponent ln((2^255 - 1) / 10^20) = 130.700829182905140221. // The smallest possible result is 10^(-18), which makes largest negative argument // ln(10^(-18)) = -41.446531673892822312. // We use 130.0 and -41.0 to have some safety margin. int256 constant MAX_NATURAL_EXPONENT = 130e18; int256 constant MIN_NATURAL_EXPONENT = -41e18; // Bounds for ln_36's argument. Both ln(0.9) and ln(1.1) can be represented with 36 decimal places in a fixed point // 256 bit integer. int256 constant LN_36_LOWER_BOUND = ONE_18 - 1e17; int256 constant LN_36_UPPER_BOUND = ONE_18 + 1e17; uint256 constant MILD_EXPONENT_BOUND = 2**254 / uint256(ONE_20); // 18 decimal constants int256 constant x0 = 128000000000000000000; // 2ˆ7 int256 constant a0 = 38877084059945950922200000000000000000000000000000000000; // eˆ(x0) (no decimals) int256 constant x1 = 64000000000000000000; // 2ˆ6 int256 constant a1 = 6235149080811616882910000000; // eˆ(x1) (no decimals) // 20 decimal constants int256 constant x2 = 3200000000000000000000; // 2ˆ5 int256 constant a2 = 7896296018268069516100000000000000; // eˆ(x2) int256 constant x3 = 1600000000000000000000; // 2ˆ4 int256 constant a3 = 888611052050787263676000000; // eˆ(x3) int256 constant x4 = 800000000000000000000; // 2ˆ3 int256 constant a4 = 298095798704172827474000; // eˆ(x4) int256 constant x5 = 400000000000000000000; // 2ˆ2 int256 constant a5 = 5459815003314423907810; // eˆ(x5) int256 constant x6 = 200000000000000000000; // 2ˆ1 int256 constant a6 = 738905609893065022723; // eˆ(x6) int256 constant x7 = 100000000000000000000; // 2ˆ0 int256 constant a7 = 271828182845904523536; // eˆ(x7) int256 constant x8 = 50000000000000000000; // 2ˆ-1 int256 constant a8 = 164872127070012814685; // eˆ(x8) int256 constant x9 = 25000000000000000000; // 2ˆ-2 int256 constant a9 = 128402541668774148407; // eˆ(x9) int256 constant x10 = 12500000000000000000; // 2ˆ-3 int256 constant a10 = 113314845306682631683; // eˆ(x10) int256 constant x11 = 6250000000000000000; // 2ˆ-4 int256 constant a11 = 106449445891785942956; // eˆ(x11) /** * @dev Natural exponentiation (e^x) with signed 18 decimal fixed point exponent. * * Reverts if `x` is smaller than MIN_NATURAL_EXPONENT, or larger than `MAX_NATURAL_EXPONENT`. */ function exp(int256 x) internal pure returns (int256) { unchecked { require(x >= MIN_NATURAL_EXPONENT && x <= MAX_NATURAL_EXPONENT, "Invalid exponent"); if (x < 0) { // We only handle positive exponents: e^(-x) is computed as 1 / e^x. We can safely make x positive since it // fits in the signed 256 bit range (as it is larger than MIN_NATURAL_EXPONENT). // Fixed point division requires multiplying by ONE_18. return ((ONE_18 * ONE_18) / exp(-x)); } // First, we use the fact that e^(x+y) = e^x * e^y to decompose x into a sum of powers of two, which we call x_n, // where x_n == 2^(7 - n), and e^x_n = a_n has been precomputed. We choose the first x_n, x0, to equal 2^7 // because all larger powers are larger than MAX_NATURAL_EXPONENT, and therefore not present in the // decomposition. // At the end of this process we will have the product of all e^x_n = a_n that apply, and the remainder of this // decomposition, which will be lower than the smallest x_n. // exp(x) = k_0 * a_0 * k_1 * a_1 * ... + k_n * a_n * exp(remainder), where each k_n equals either 0 or 1. // We mutate x by subtracting x_n, making it the remainder of the decomposition. // The first two a_n (e^(2^7) and e^(2^6)) are too large if stored as 18 decimal numbers, and could cause // intermediate overflows. Instead we store them as plain integers, with 0 decimals. // Additionally, x0 + x1 is larger than MAX_NATURAL_EXPONENT, which means they will not both be present in the // decomposition. // For each x_n, we test if that term is present in the decomposition (if x is larger than it), and if so deduct // it and compute the accumulated product. int256 firstAN; if (x >= x0) { x -= x0; firstAN = a0; } else if (x >= x1) { x -= x1; firstAN = a1; } else { firstAN = 1; // One with no decimal places } // We now transform x into a 20 decimal fixed point number, to have enhanced precision when computing the // smaller terms. x *= 100; // `product` is the accumulated product of all a_n (except a0 and a1), which starts at 20 decimal fixed point // one. Recall that fixed point multiplication requires dividing by ONE_20. int256 product = ONE_20; if (x >= x2) { x -= x2; product = (product * a2) / ONE_20; } if (x >= x3) { x -= x3; product = (product * a3) / ONE_20; } if (x >= x4) { x -= x4; product = (product * a4) / ONE_20; } if (x >= x5) { x -= x5; product = (product * a5) / ONE_20; } if (x >= x6) { x -= x6; product = (product * a6) / ONE_20; } if (x >= x7) { x -= x7; product = (product * a7) / ONE_20; } if (x >= x8) { x -= x8; product = (product * a8) / ONE_20; } if (x >= x9) { x -= x9; product = (product * a9) / ONE_20; } // x10 and x11 are unnecessary here since we have high enough precision already. // Now we need to compute e^x, where x is small (in particular, it is smaller than x9). We use the Taylor series // expansion for e^x: 1 + x + (x^2 / 2!) + (x^3 / 3!) + ... + (x^n / n!). int256 seriesSum = ONE_20; // The initial one in the sum, with 20 decimal places. int256 term; // Each term in the sum, where the nth term is (x^n / n!). // The first term is simply x. term = x; seriesSum += term; // Each term (x^n / n!) equals the previous one times x, divided by n. Since x is a fixed point number, // multiplying by it requires dividing by ONE_20, but dividing by the non-fixed point n values does not. term = ((term * x) / ONE_20) / 2; seriesSum += term; term = ((term * x) / ONE_20) / 3; seriesSum += term; term = ((term * x) / ONE_20) / 4; seriesSum += term; term = ((term * x) / ONE_20) / 5; seriesSum += term; term = ((term * x) / ONE_20) / 6; seriesSum += term; term = ((term * x) / ONE_20) / 7; seriesSum += term; term = ((term * x) / ONE_20) / 8; seriesSum += term; term = ((term * x) / ONE_20) / 9; seriesSum += term; term = ((term * x) / ONE_20) / 10; seriesSum += term; term = ((term * x) / ONE_20) / 11; seriesSum += term; term = ((term * x) / ONE_20) / 12; seriesSum += term; // 12 Taylor terms are sufficient for 18 decimal precision. // We now have the first a_n (with no decimals), and the product of all other a_n present, and the Taylor // approximation of the exponentiation of the remainder (both with 20 decimals). All that remains is to multiply // all three (one 20 decimal fixed point multiplication, dividing by ONE_20, and one integer multiplication), // and then drop two digits to return an 18 decimal value. return (((product * seriesSum) / ONE_20) * firstAN) / 100; } } /** * @dev Natural logarithm (ln(a)) with signed 18 decimal fixed point argument. */ function ln(int256 a) internal pure returns (int256) { unchecked { // The real natural logarithm is not defined for negative numbers or zero. require(a > 0, "out of bounds"); if (LN_36_LOWER_BOUND < a && a < LN_36_UPPER_BOUND) { return _ln_36(a) / ONE_18; } else { return _ln(a); } } } /** * @dev Exponentiation (x^y) with unsigned 18 decimal fixed point base and exponent. * * Reverts if ln(x) * y is smaller than `MIN_NATURAL_EXPONENT`, or larger than `MAX_NATURAL_EXPONENT`. */ function pow(uint256 x, uint256 y) internal pure returns (uint256) { unchecked { if (y == 0) { // We solve the 0^0 indetermination by making it equal one. return uint256(ONE_18); } if (x == 0) { return 0; } // Instead of computing x^y directly, we instead rely on the properties of logarithms and exponentiation to // arrive at that r`esult. In particular, exp(ln(x)) = x, and ln(x^y) = y * ln(x). This means // x^y = exp(y * ln(x)). // The ln function takes a signed value, so we need to make sure x fits in the signed 256 bit range. require(x < 2**255, "x out of bounds"); int256 x_int256 = int256(x); // We will compute y * ln(x) in a single step. Depending on the value of x, we can either use ln or ln_36. In // both cases, we leave the division by ONE_18 (due to fixed point multiplication) to the end. // This prevents y * ln(x) from overflowing, and at the same time guarantees y fits in the signed 256 bit range. require(y < MILD_EXPONENT_BOUND, "y out of bounds"); int256 y_int256 = int256(y); int256 logx_times_y; if (LN_36_LOWER_BOUND < x_int256 && x_int256 < LN_36_UPPER_BOUND) { int256 ln_36_x = _ln_36(x_int256); // ln_36_x has 36 decimal places, so multiplying by y_int256 isn't as straightforward, since we can't just // bring y_int256 to 36 decimal places, as it might overflow. Instead, we perform two 18 decimal // multiplications and add the results: one with the first 18 decimals of ln_36_x, and one with the // (downscaled) last 18 decimals. logx_times_y = ((ln_36_x / ONE_18) * y_int256 + ((ln_36_x % ONE_18) * y_int256) / ONE_18); } else { logx_times_y = _ln(x_int256) * y_int256; } logx_times_y /= ONE_18; // Finally, we compute exp(y * ln(x)) to arrive at x^y require( MIN_NATURAL_EXPONENT <= logx_times_y && logx_times_y <= MAX_NATURAL_EXPONENT, "product out of bounds" ); return uint256(exp(logx_times_y)); } } /** * @dev Internal natural logarithm (ln(a)) with signed 18 decimal fixed point argument. */ function _ln(int256 a) private pure returns (int256) { unchecked { if (a < ONE_18) { // Since ln(a^k) = k * ln(a), we can compute ln(a) as ln(a) = ln((1/a)^(-1)) = - ln((1/a)). If a is less // than one, 1/a will be greater than one, and this if statement will not be entered in the recursive call. // Fixed point division requires multiplying by ONE_18. return (-_ln((ONE_18 * ONE_18) / a)); } // First, we use the fact that ln^(a * b) = ln(a) + ln(b) to decompose ln(a) into a sum of powers of two, which // we call x_n, where x_n == 2^(7 - n), which are the natural logarithm of precomputed quantities a_n (that is, // ln(a_n) = x_n). We choose the first x_n, x0, to equal 2^7 because the exponential of all larger powers cannot // be represented as 18 fixed point decimal numbers in 256 bits, and are therefore larger than a. // At the end of this process we will have the sum of all x_n = ln(a_n) that apply, and the remainder of this // decomposition, which will be lower than the smallest a_n. // ln(a) = k_0 * x_0 + k_1 * x_1 + ... + k_n * x_n + ln(remainder), where each k_n equals either 0 or 1. // We mutate a by subtracting a_n, making it the remainder of the decomposition. // For reasons related to how `exp` works, the first two a_n (e^(2^7) and e^(2^6)) are not stored as fixed point // numbers with 18 decimals, but instead as plain integers with 0 decimals, so we need to multiply them by // ONE_18 to convert them to fixed point. // For each a_n, we test if that term is present in the decomposition (if a is larger than it), and if so divide // by it and compute the accumulated sum. int256 sum = 0; if (a >= a0 * ONE_18) { a /= a0; // Integer, not fixed point division sum += x0; } if (a >= a1 * ONE_18) { a /= a1; // Integer, not fixed point division sum += x1; } // All other a_n and x_n are stored as 20 digit fixed point numbers, so we convert the sum and a to this format. sum *= 100; a *= 100; // Because further a_n are 20 digit fixed point numbers, we multiply by ONE_20 when dividing by them. if (a >= a2) { a = (a * ONE_20) / a2; sum += x2; } if (a >= a3) { a = (a * ONE_20) / a3; sum += x3; } if (a >= a4) { a = (a * ONE_20) / a4; sum += x4; } if (a >= a5) { a = (a * ONE_20) / a5; sum += x5; } if (a >= a6) { a = (a * ONE_20) / a6; sum += x6; } if (a >= a7) { a = (a * ONE_20) / a7; sum += x7; } if (a >= a8) { a = (a * ONE_20) / a8; sum += x8; } if (a >= a9) { a = (a * ONE_20) / a9; sum += x9; } if (a >= a10) { a = (a * ONE_20) / a10; sum += x10; } if (a >= a11) { a = (a * ONE_20) / a11; sum += x11; } // a is now a small number (smaller than a_11, which roughly equals 1.06). This means we can use a Taylor series // that converges rapidly for values of `a` close to one - the same one used in ln_36. // Let z = (a - 1) / (a + 1). // ln(a) = 2 * (z + z^3 / 3 + z^5 / 5 + z^7 / 7 + ... + z^(2 * n + 1) / (2 * n + 1)) // Recall that 20 digit fixed point division requires multiplying by ONE_20, and multiplication requires // division by ONE_20. int256 z = ((a - ONE_20) * ONE_20) / (a + ONE_20); int256 z_squared = (z * z) / ONE_20; // num is the numerator of the series: the z^(2 * n + 1) term int256 num = z; // seriesSum holds the accumulated sum of each term in the series, starting with the initial z int256 seriesSum = num; // In each step, the numerator is multiplied by z^2 num = (num * z_squared) / ONE_20; seriesSum += num / 3; num = (num * z_squared) / ONE_20; seriesSum += num / 5; num = (num * z_squared) / ONE_20; seriesSum += num / 7; num = (num * z_squared) / ONE_20; seriesSum += num / 9; num = (num * z_squared) / ONE_20; seriesSum += num / 11; // 6 Taylor terms are sufficient for 36 decimal precision. // Finally, we multiply by 2 (non fixed point) to compute ln(remainder) seriesSum *= 2; // We now have the sum of all x_n present, and the Taylor approximation of the logarithm of the remainder (both // with 20 decimals). All that remains is to sum these two, and then drop two digits to return a 18 decimal // value. return (sum + seriesSum) / 100; } } /** * @dev Intrnal high precision (36 decimal places) natural logarithm (ln(x)) with signed 18 decimal fixed point argument, * for x close to one. * * Should only be used if x is between LN_36_LOWER_BOUND and LN_36_UPPER_BOUND. */ function _ln_36(int256 x) private pure returns (int256) { unchecked { // Since ln(1) = 0, a value of x close to one will yield a very small result, which makes using 36 digits // worthwhile. // First, we transform x to a 36 digit fixed point value. x *= ONE_18; // We will use the following Taylor expansion, which converges very rapidly. Let z = (x - 1) / (x + 1). // ln(x) = 2 * (z + z^3 / 3 + z^5 / 5 + z^7 / 7 + ... + z^(2 * n + 1) / (2 * n + 1)) // Recall that 36 digit fixed point division requires multiplying by ONE_36, and multiplication requires // division by ONE_36. int256 z = ((x - ONE_36) * ONE_36) / (x + ONE_36); int256 z_squared = (z * z) / ONE_36; // num is the numerator of the series: the z^(2 * n + 1) term int256 num = z; // seriesSum holds the accumulated sum of each term in the series, starting with the initial z int256 seriesSum = num; // In each step, the numerator is multiplied by z^2 num = (num * z_squared) / ONE_36; seriesSum += num / 3; num = (num * z_squared) / ONE_36; seriesSum += num / 5; num = (num * z_squared) / ONE_36; seriesSum += num / 7; num = (num * z_squared) / ONE_36; seriesSum += num / 9; num = (num * z_squared) / ONE_36; seriesSum += num / 11; num = (num * z_squared) / ONE_36; seriesSum += num / 13; num = (num * z_squared) / ONE_36; seriesSum += num / 15; // 8 Taylor terms are sufficient for 36 decimal precision. // All that remains is multiplying by 2 (non fixed point). return seriesSum * 2; } } }
// SPDX-License-Identifier: GPL-3.0-or-later // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. pragma solidity 0.8.17; /* solhint-disable private-vars-leading-underscore, reason-string */ library Math { uint256 internal constant ONE = 1e18; // 18 decimal places int256 internal constant IONE = 1e18; // 18 decimal places function subMax0(uint256 a, uint256 b) internal pure returns (uint256) { unchecked { return (a >= b ? a - b : 0); } } function subNoNeg(int256 a, int256 b) internal pure returns (int256) { require(a >= b, "negative"); return a - b; // no unchecked since if b is very negative, a - b might overflow } function mulDown(uint256 a, uint256 b) internal pure returns (uint256) { uint256 product = a * b; unchecked { return product / ONE; } } function mulDown(int256 a, int256 b) internal pure returns (int256) { int256 product = a * b; unchecked { return product / IONE; } } function divDown(uint256 a, uint256 b) internal pure returns (uint256) { uint256 aInflated = a * ONE; unchecked { return aInflated / b; } } function divDown(int256 a, int256 b) internal pure returns (int256) { int256 aInflated = a * IONE; unchecked { return aInflated / b; } } function rawDivUp(uint256 a, uint256 b) internal pure returns (uint256) { return (a + b - 1) / b; } // @author Uniswap function sqrt(uint256 y) internal pure returns (uint256 z) { if (y > 3) { z = y; uint256 x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } function abs(int256 x) internal pure returns (uint256) { return uint256(x > 0 ? x : -x); } function neg(int256 x) internal pure returns (int256) { return x * (-1); } function neg(uint256 x) internal pure returns (int256) { return Int(x) * (-1); } function max(uint256 x, uint256 y) internal pure returns (uint256) { return (x > y ? x : y); } function max(int256 x, int256 y) internal pure returns (int256) { return (x > y ? x : y); } function min(uint256 x, uint256 y) internal pure returns (uint256) { return (x < y ? x : y); } function min(int256 x, int256 y) internal pure returns (int256) { return (x < y ? x : y); } /*/////////////////////////////////////////////////////////////// SIGNED CASTS //////////////////////////////////////////////////////////////*/ function Int(uint256 x) internal pure returns (int256) { require(x <= uint256(type(int256).max)); return int256(x); } function Int128(int256 x) internal pure returns (int128) { require(type(int128).min <= x && x <= type(int128).max); return int128(x); } function Int128(uint256 x) internal pure returns (int128) { return Int128(Int(x)); } /*/////////////////////////////////////////////////////////////// UNSIGNED CASTS //////////////////////////////////////////////////////////////*/ function Uint(int256 x) internal pure returns (uint256) { require(x >= 0); return uint256(x); } function Uint32(uint256 x) internal pure returns (uint32) { require(x <= type(uint32).max); return uint32(x); } function Uint112(uint256 x) internal pure returns (uint112) { require(x <= type(uint112).max); return uint112(x); } function Uint96(uint256 x) internal pure returns (uint96) { require(x <= type(uint96).max); return uint96(x); } function Uint128(uint256 x) internal pure returns (uint128) { require(x <= type(uint128).max); return uint128(x); } function isAApproxB( uint256 a, uint256 b, uint256 eps ) internal pure returns (bool) { return mulDown(b, ONE - eps) <= a && a <= mulDown(b, ONE + eps); } function isAGreaterApproxB( uint256 a, uint256 b, uint256 eps ) internal pure returns (bool) { return a >= b && a <= mulDown(b, ONE + eps); } function isASmallerApproxB( uint256 a, uint256 b, uint256 eps ) internal pure returns (bool) { return a <= b && a >= mulDown(b, ONE - eps); } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; library MiniHelpers { function isCurrentlyExpired(uint256 expiry) internal view returns (bool) { return (expiry <= block.timestamp); } function isExpired(uint256 expiry, uint256 blockTime) internal pure returns (bool) { return (expiry <= blockTime); } function isTimeInThePast(uint256 timestamp) internal view returns (bool) { return (timestamp <= block.timestamp); // same definition as isCurrentlyExpired } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; abstract contract TokenHelper { using SafeERC20 for IERC20; address internal constant NATIVE = address(0); uint256 internal constant LOWER_BOUND_APPROVAL = type(uint96).max / 2; // some tokens use 96 bits for approval function _transferIn( address token, address from, uint256 amount ) internal { if (token == NATIVE) require(msg.value == amount, "eth mismatch"); else if (amount != 0) IERC20(token).safeTransferFrom(from, address(this), amount); } function _transferFrom( IERC20 token, address from, address to, uint256 amount ) internal { if (amount != 0) token.safeTransferFrom(from, to, amount); } function _transferOut( address token, address to, uint256 amount ) internal { if (amount == 0) return; if (token == NATIVE) { (bool success, ) = to.call{ value: amount }(""); require(success, "eth send failed"); } else { IERC20(token).safeTransfer(to, amount); } } function _transferOut( address[] memory tokens, address to, uint256[] memory amounts ) internal { uint256 numTokens = tokens.length; require(numTokens == amounts.length, "length mismatch"); for (uint256 i = 0; i < numTokens; ) { _transferOut(tokens[i], to, amounts[i]); unchecked { i++; } } } function _selfBalance(address token) internal view returns (uint256) { return (token == NATIVE) ? address(this).balance : IERC20(token).balanceOf(address(this)); } function _selfBalance(IERC20 token) internal view returns (uint256) { return token.balanceOf(address(this)); } /// @notice Approves the stipulated contract to spend the given allowance in the given token /// @dev PLS PAY ATTENTION to tokens that requires the approval to be set to 0 before changing it function _safeApprove( address token, address to, uint256 value ) internal { (bool success, bytes memory data) = token.call( abi.encodeWithSelector(IERC20.approve.selector, to, value) ); require(success && (data.length == 0 || abi.decode(data, (bool))), "Safe Approve"); } function _safeApproveInf(address token, address to) internal { if (token == NATIVE) return; if (IERC20(token).allowance(address(this), to) < LOWER_BOUND_APPROVAL) { _safeApprove(token, to, 0); _safeApprove(token, to, type(uint256).max); } } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../libraries/math/Math.sol"; import "../libraries/math/LogExpMath.sol"; import "../StandardizedYield/PYIndex.sol"; import "../libraries/MiniHelpers.sol"; import "../libraries/Errors.sol"; struct MarketState { int256 totalPt; int256 totalSy; int256 totalLp; address treasury; /// immutable variables /// int256 scalarRoot; uint256 expiry; /// fee data /// uint256 lnFeeRateRoot; uint256 reserveFeePercent; // base 100 /// last trade data /// uint256 lastLnImpliedRate; } // params that are expensive to compute, therefore we pre-compute them struct MarketPreCompute { int256 rateScalar; int256 totalAsset; int256 rateAnchor; int256 feeRate; } // solhint-disable ordering library MarketMathCore { using Math for uint256; using Math for int256; using LogExpMath for int256; using PYIndexLib for PYIndex; int256 internal constant MINIMUM_LIQUIDITY = 10**3; int256 internal constant PERCENTAGE_DECIMALS = 100; uint256 internal constant DAY = 86400; uint256 internal constant IMPLIED_RATE_TIME = 365 * DAY; int256 internal constant MAX_MARKET_PROPORTION = (1e18 * 96) / 100; using Math for uint256; using Math for int256; /*/////////////////////////////////////////////////////////////// UINT FUNCTIONS TO PROXY TO CORE FUNCTIONS //////////////////////////////////////////////////////////////*/ function addLiquidity( MarketState memory market, uint256 syDesired, uint256 ptDesired, uint256 blockTime ) internal pure returns ( uint256 lpToReserve, uint256 lpToAccount, uint256 syUsed, uint256 ptUsed ) { ( int256 _lpToReserve, int256 _lpToAccount, int256 _syUsed, int256 _ptUsed ) = addLiquidityCore(market, syDesired.Int(), ptDesired.Int(), blockTime); lpToReserve = _lpToReserve.Uint(); lpToAccount = _lpToAccount.Uint(); syUsed = _syUsed.Uint(); ptUsed = _ptUsed.Uint(); } function removeLiquidity(MarketState memory market, uint256 lpToRemove) internal pure returns (uint256 netSyToAccount, uint256 netPtToAccount) { (int256 _syToAccount, int256 _ptToAccount) = removeLiquidityCore(market, lpToRemove.Int()); netSyToAccount = _syToAccount.Uint(); netPtToAccount = _ptToAccount.Uint(); } function swapExactPtForSy( MarketState memory market, PYIndex index, uint256 exactPtToMarket, uint256 blockTime ) internal pure returns ( uint256 netSyToAccount, uint256 netSyFee, uint256 netSyToReserve ) { (int256 _netSyToAccount, int256 _netSyFee, int256 _netSyToReserve) = executeTradeCore( market, index, exactPtToMarket.neg(), blockTime ); netSyToAccount = _netSyToAccount.Uint(); netSyFee = _netSyFee.Uint(); netSyToReserve = _netSyToReserve.Uint(); } function swapSyForExactPt( MarketState memory market, PYIndex index, uint256 exactPtToAccount, uint256 blockTime ) internal pure returns ( uint256 netSyToMarket, uint256 netSyFee, uint256 netSyToReserve ) { (int256 _netSyToAccount, int256 _netSyFee, int256 _netSyToReserve) = executeTradeCore( market, index, exactPtToAccount.Int(), blockTime ); netSyToMarket = _netSyToAccount.neg().Uint(); netSyFee = _netSyFee.Uint(); netSyToReserve = _netSyToReserve.Uint(); } /*/////////////////////////////////////////////////////////////// CORE FUNCTIONS //////////////////////////////////////////////////////////////*/ function addLiquidityCore( MarketState memory market, int256 syDesired, int256 ptDesired, uint256 blockTime ) internal pure returns ( int256 lpToReserve, int256 lpToAccount, int256 syUsed, int256 ptUsed ) { /// ------------------------------------------------------------ /// CHECKS /// ------------------------------------------------------------ if (syDesired == 0 || ptDesired == 0) revert Errors.MarketZeroAmountsInput(); if (MiniHelpers.isExpired(market.expiry, blockTime)) revert Errors.MarketExpired(); /// ------------------------------------------------------------ /// MATH /// ------------------------------------------------------------ if (market.totalLp == 0) { lpToAccount = Math.sqrt((syDesired * ptDesired).Uint()).Int() - MINIMUM_LIQUIDITY; lpToReserve = MINIMUM_LIQUIDITY; syUsed = syDesired; ptUsed = ptDesired; } else { int256 netLpByPt = (ptDesired * market.totalLp) / market.totalPt; int256 netLpBySy = (syDesired * market.totalLp) / market.totalSy; if (netLpByPt < netLpBySy) { lpToAccount = netLpByPt; ptUsed = ptDesired; syUsed = (market.totalSy * lpToAccount) / market.totalLp; } else { lpToAccount = netLpBySy; syUsed = syDesired; ptUsed = (market.totalPt * lpToAccount) / market.totalLp; } } if (lpToAccount <= 0) revert Errors.MarketZeroAmountsOutput(); /// ------------------------------------------------------------ /// WRITE /// ------------------------------------------------------------ market.totalSy += syUsed; market.totalPt += ptUsed; market.totalLp += lpToAccount + lpToReserve; } function removeLiquidityCore(MarketState memory market, int256 lpToRemove) internal pure returns (int256 netSyToAccount, int256 netPtToAccount) { /// ------------------------------------------------------------ /// CHECKS /// ------------------------------------------------------------ if (lpToRemove == 0) revert Errors.MarketZeroAmountsInput(); /// ------------------------------------------------------------ /// MATH /// ------------------------------------------------------------ netSyToAccount = (lpToRemove * market.totalSy) / market.totalLp; netPtToAccount = (lpToRemove * market.totalPt) / market.totalLp; if (netSyToAccount == 0 && netPtToAccount == 0) revert Errors.MarketZeroAmountsOutput(); /// ------------------------------------------------------------ /// WRITE /// ------------------------------------------------------------ market.totalLp = market.totalLp.subNoNeg(lpToRemove); market.totalPt = market.totalPt.subNoNeg(netPtToAccount); market.totalSy = market.totalSy.subNoNeg(netSyToAccount); } function executeTradeCore( MarketState memory market, PYIndex index, int256 netPtToAccount, uint256 blockTime ) internal pure returns ( int256 netSyToAccount, int256 netSyFee, int256 netSyToReserve ) { /// ------------------------------------------------------------ /// CHECKS /// ------------------------------------------------------------ if (MiniHelpers.isExpired(market.expiry, blockTime)) revert Errors.MarketExpired(); if (market.totalPt <= netPtToAccount) revert Errors.MarketInsufficientPtForTrade(market.totalPt, netPtToAccount); /// ------------------------------------------------------------ /// MATH /// ------------------------------------------------------------ MarketPreCompute memory comp = getMarketPreCompute(market, index, blockTime); (netSyToAccount, netSyFee, netSyToReserve) = calcTrade( market, comp, index, netPtToAccount ); /// ------------------------------------------------------------ /// WRITE /// ------------------------------------------------------------ _setNewMarketStateTrade( market, comp, index, netPtToAccount, netSyToAccount, netSyToReserve, blockTime ); } function getMarketPreCompute( MarketState memory market, PYIndex index, uint256 blockTime ) internal pure returns (MarketPreCompute memory res) { if (MiniHelpers.isExpired(market.expiry, blockTime)) revert Errors.MarketExpired(); uint256 timeToExpiry = market.expiry - blockTime; res.rateScalar = _getRateScalar(market, timeToExpiry); res.totalAsset = index.syToAsset(market.totalSy); if (market.totalPt == 0 || res.totalAsset == 0) revert Errors.MarketZeroTotalPtOrTotalAsset(market.totalPt, res.totalAsset); res.rateAnchor = _getRateAnchor( market.totalPt, market.lastLnImpliedRate, res.totalAsset, res.rateScalar, timeToExpiry ); res.feeRate = _getExchangeRateFromImpliedRate(market.lnFeeRateRoot, timeToExpiry); } function calcTrade( MarketState memory market, MarketPreCompute memory comp, PYIndex index, int256 netPtToAccount ) internal pure returns ( int256 netSyToAccount, int256 netSyFee, int256 netSyToReserve ) { int256 preFeeExchangeRate = _getExchangeRate( market.totalPt, comp.totalAsset, comp.rateScalar, comp.rateAnchor, netPtToAccount ); int256 preFeeAssetToAccount = netPtToAccount.divDown(preFeeExchangeRate).neg(); int256 fee = comp.feeRate; if (netPtToAccount > 0) { int256 postFeeExchangeRate = preFeeExchangeRate.divDown(fee); if (postFeeExchangeRate < Math.IONE) revert Errors.MarketExchangeRateBelowOne(postFeeExchangeRate); fee = preFeeAssetToAccount.mulDown(Math.IONE - fee); } else { fee = ((preFeeAssetToAccount * (Math.IONE - fee)) / fee).neg(); } int256 netAssetToReserve = (fee * market.reserveFeePercent.Int()) / PERCENTAGE_DECIMALS; int256 netAssetToAccount = preFeeAssetToAccount - fee; netSyToAccount = netAssetToAccount < 0 ? index.assetToSyUp(netAssetToAccount) : index.assetToSy(netAssetToAccount); netSyFee = index.assetToSy(fee); netSyToReserve = index.assetToSy(netAssetToReserve); } function _setNewMarketStateTrade( MarketState memory market, MarketPreCompute memory comp, PYIndex index, int256 netPtToAccount, int256 netSyToAccount, int256 netSyToReserve, uint256 blockTime ) internal pure { uint256 timeToExpiry = market.expiry - blockTime; market.totalPt = market.totalPt.subNoNeg(netPtToAccount); market.totalSy = market.totalSy.subNoNeg(netSyToAccount + netSyToReserve); market.lastLnImpliedRate = _getLnImpliedRate( market.totalPt, index.syToAsset(market.totalSy), comp.rateScalar, comp.rateAnchor, timeToExpiry ); if (market.lastLnImpliedRate == 0) revert Errors.MarketZeroLnImpliedRate(); } function _getRateAnchor( int256 totalPt, uint256 lastLnImpliedRate, int256 totalAsset, int256 rateScalar, uint256 timeToExpiry ) internal pure returns (int256 rateAnchor) { int256 newExchangeRate = _getExchangeRateFromImpliedRate(lastLnImpliedRate, timeToExpiry); if (newExchangeRate < Math.IONE) revert Errors.MarketExchangeRateBelowOne(newExchangeRate); { int256 proportion = totalPt.divDown(totalPt + totalAsset); int256 lnProportion = _logProportion(proportion); rateAnchor = newExchangeRate - lnProportion.divDown(rateScalar); } } /// @notice Calculates the current market implied rate. /// @return lnImpliedRate the implied rate function _getLnImpliedRate( int256 totalPt, int256 totalAsset, int256 rateScalar, int256 rateAnchor, uint256 timeToExpiry ) internal pure returns (uint256 lnImpliedRate) { // This will check for exchange rates < Math.IONE int256 exchangeRate = _getExchangeRate(totalPt, totalAsset, rateScalar, rateAnchor, 0); // exchangeRate >= 1 so its ln >= 0 uint256 lnRate = exchangeRate.ln().Uint(); lnImpliedRate = (lnRate * IMPLIED_RATE_TIME) / timeToExpiry; } /// @notice Converts an implied rate to an exchange rate given a time to expiry. The /// formula is E = e^rt function _getExchangeRateFromImpliedRate(uint256 lnImpliedRate, uint256 timeToExpiry) internal pure returns (int256 exchangeRate) { uint256 rt = (lnImpliedRate * timeToExpiry) / IMPLIED_RATE_TIME; exchangeRate = LogExpMath.exp(rt.Int()); } function _getExchangeRate( int256 totalPt, int256 totalAsset, int256 rateScalar, int256 rateAnchor, int256 netPtToAccount ) internal pure returns (int256 exchangeRate) { int256 numerator = totalPt.subNoNeg(netPtToAccount); int256 proportion = (numerator.divDown(totalPt + totalAsset)); if (proportion > MAX_MARKET_PROPORTION) revert Errors.MarketProportionTooHigh(proportion, MAX_MARKET_PROPORTION); int256 lnProportion = _logProportion(proportion); exchangeRate = lnProportion.divDown(rateScalar) + rateAnchor; if (exchangeRate < Math.IONE) revert Errors.MarketExchangeRateBelowOne(exchangeRate); } function _logProportion(int256 proportion) internal pure returns (int256 res) { if (proportion == Math.IONE) revert Errors.MarketProportionMustNotEqualOne(); int256 logitP = proportion.divDown(Math.IONE - proportion); res = logitP.ln(); } function _getRateScalar(MarketState memory market, uint256 timeToExpiry) internal pure returns (int256 rateScalar) { rateScalar = (market.scalarRoot * IMPLIED_RATE_TIME.Int()) / timeToExpiry.Int(); if (rateScalar <= 0) revert Errors.MarketRateScalarBelowZero(rateScalar); } function setInitialLnImpliedRate( MarketState memory market, PYIndex index, int256 initialAnchor, uint256 blockTime ) internal pure { /// ------------------------------------------------------------ /// CHECKS /// ------------------------------------------------------------ if (MiniHelpers.isExpired(market.expiry, blockTime)) revert Errors.MarketExpired(); /// ------------------------------------------------------------ /// MATH /// ------------------------------------------------------------ int256 totalAsset = index.syToAsset(market.totalSy); uint256 timeToExpiry = market.expiry - blockTime; int256 rateScalar = _getRateScalar(market, timeToExpiry); /// ------------------------------------------------------------ /// WRITE /// ------------------------------------------------------------ market.lastLnImpliedRate = _getLnImpliedRate( market.totalPt, totalAsset, rateScalar, initialAnchor, timeToExpiry ); } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../../interfaces/IPYieldToken.sol"; import "../../interfaces/IPPrincipalToken.sol"; import "./SYUtils.sol"; import "../libraries/math/Math.sol"; type PYIndex is uint256; library PYIndexLib { using Math for uint256; using Math for int256; function newIndex(IPYieldToken YT) internal returns (PYIndex) { return PYIndex.wrap(YT.pyIndexCurrent()); } function syToAsset(PYIndex index, uint256 syAmount) internal pure returns (uint256) { return SYUtils.syToAsset(PYIndex.unwrap(index), syAmount); } function assetToSy(PYIndex index, uint256 assetAmount) internal pure returns (uint256) { return SYUtils.assetToSy(PYIndex.unwrap(index), assetAmount); } function assetToSyUp(PYIndex index, uint256 assetAmount) internal pure returns (uint256) { return SYUtils.assetToSyUp(PYIndex.unwrap(index), assetAmount); } function syToAssetUp(PYIndex index, uint256 syAmount) internal pure returns (uint256) { uint256 _index = PYIndex.unwrap(index); return SYUtils.syToAssetUp(_index, syAmount); } function syToAsset(PYIndex index, int256 syAmount) internal pure returns (int256) { int256 sign = syAmount < 0 ? int256(-1) : int256(1); return sign * (SYUtils.syToAsset(PYIndex.unwrap(index), syAmount.abs())).Int(); } function assetToSy(PYIndex index, int256 assetAmount) internal pure returns (int256) { int256 sign = assetAmount < 0 ? int256(-1) : int256(1); return sign * (SYUtils.assetToSy(PYIndex.unwrap(index), assetAmount.abs())).Int(); } function assetToSyUp(PYIndex index, int256 assetAmount) internal pure returns (int256) { int256 sign = assetAmount < 0 ? int256(-1) : int256(1); return sign * (SYUtils.assetToSyUp(PYIndex.unwrap(index), assetAmount.abs())).Int(); } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; library SYUtils { uint256 internal constant ONE = 1e18; function syToAsset(uint256 exchangeRate, uint256 syAmount) internal pure returns (uint256) { return (syAmount * exchangeRate) / ONE; } function syToAssetUp(uint256 exchangeRate, uint256 syAmount) internal pure returns (uint256) { return (syAmount * exchangeRate + ONE - 1) / ONE; } function assetToSy(uint256 exchangeRate, uint256 assetAmount) internal pure returns (uint256) { return (assetAmount * ONE) / exchangeRate; } function assetToSyUp(uint256 exchangeRate, uint256 assetAmount) internal pure returns (uint256) { return (assetAmount * ONE + exchangeRate - 1) / exchangeRate; } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../router/base/MarketApproxLib.sol"; import "../router/kyberswap/KyberSwapHelper.sol"; interface IPActionAddRemoveLiq { event AddLiquidityDualSyAndPt( address indexed caller, address indexed market, address indexed receiver, uint256 netSyUsed, uint256 netPtUsed, uint256 netLpOut ); event AddLiquidityDualTokenAndPt( address indexed caller, address indexed market, address indexed tokenIn, address receiver, uint256 netTokenUsed, uint256 netPtUsed, uint256 netLpOut ); event AddLiquiditySinglePt( address indexed caller, address indexed market, address indexed receiver, uint256 netPtIn, uint256 netLpOut ); event AddLiquiditySingleSy( address indexed caller, address indexed market, address indexed receiver, uint256 netSyIn, uint256 netLpOut ); event AddLiquiditySingleToken( address indexed caller, address indexed market, address indexed token, address receiver, uint256 netTokenIn, uint256 netLpOut ); event RemoveLiquidityDualSyAndPt( address indexed caller, address indexed market, address indexed receiver, uint256 netLpToRemove, uint256 netPtOut, uint256 netSyOut ); event RemoveLiquidityDualTokenAndPt( address indexed caller, address indexed market, address indexed tokenOut, address receiver, uint256 netLpToRemove, uint256 netPtOut, uint256 netTokenOut ); event RemoveLiquiditySinglePt( address indexed caller, address indexed market, address indexed receiver, uint256 netLpToRemove, uint256 netPtOut ); event RemoveLiquiditySingleSy( address indexed caller, address indexed market, address indexed receiver, uint256 netLpToRemove, uint256 netSyOut ); event RemoveLiquiditySingleToken( address indexed caller, address indexed market, address indexed token, address receiver, uint256 netLpToRemove, uint256 netTokenOut ); function addLiquidityDualSyAndPt( address receiver, address market, uint256 netSyDesired, uint256 netPtDesired, uint256 minLpOut ) external returns ( uint256 netLpOut, uint256 netSyUsed, uint256 netPtUsed ); function addLiquidityDualTokenAndPt( address receiver, address market, TokenInput calldata input, uint256 netPtDesired, uint256 minLpOut ) external payable returns ( uint256 netLpOut, uint256 netTokenUsed, uint256 netPtUsed ); function addLiquiditySinglePt( address receiver, address market, uint256 netPtIn, uint256 minLpOut, ApproxParams calldata guessPtSwapToSy ) external returns (uint256 netLpOut, uint256 netSyFee); function addLiquiditySingleSy( address receiver, address market, uint256 netSyIn, uint256 minLpOut, ApproxParams calldata guessPtReceivedFromSy ) external returns (uint256 netLpOut, uint256 netSyFee); function addLiquiditySingleToken( address receiver, address market, uint256 minLpOut, ApproxParams calldata guessPtReceivedFromSy, TokenInput calldata input ) external payable returns (uint256 netLpOut, uint256 netSyFee); function removeLiquidityDualSyAndPt( address receiver, address market, uint256 netLpToRemove, uint256 minSyOut, uint256 minPtOut ) external returns (uint256 netSyOut, uint256 netPtOut); function removeLiquidityDualTokenAndPt( address receiver, address market, uint256 netLpToRemove, TokenOutput calldata output, uint256 minPtOut ) external returns (uint256 netTokenOut, uint256 netPtOut); function removeLiquiditySinglePt( address receiver, address market, uint256 netLpToRemove, uint256 minPtOut, ApproxParams calldata guessPtOut ) external returns (uint256 netPtOut, uint256 netSyFee); function removeLiquiditySingleSy( address receiver, address market, uint256 netLpToRemove, uint256 minSyOut ) external returns (uint256 netSyOut, uint256 netSyFee); function removeLiquiditySingleToken( address receiver, address market, uint256 netLpToRemove, TokenOutput calldata output ) external returns (uint256 netTokenOut, uint256 netSyFee); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../router/base/MarketApproxLib.sol"; import "../router/kyberswap/KyberSwapHelper.sol"; interface IPActionMintRedeem { event MintSyFromToken( address indexed caller, address indexed tokenIn, address indexed SY, address receiver, uint256 netTokenIn, uint256 netSyOut ); event RedeemSyToToken( address indexed caller, address indexed tokenOut, address indexed SY, address receiver, uint256 netSyIn, uint256 netTokenOut ); event MintPyFromSy( address indexed caller, address indexed receiver, address indexed YT, uint256 netSyIn, uint256 netPyOut ); event RedeemPyToSy( address indexed caller, address indexed receiver, address indexed YT, uint256 netPyIn, uint256 netSyOut ); event MintPyFromToken( address indexed caller, address indexed tokenIn, address indexed YT, address receiver, uint256 netTokenIn, uint256 netPyOut ); event RedeemPyToToken( address indexed caller, address indexed tokenOut, address indexed YT, address receiver, uint256 netPyIn, uint256 netTokenOut ); event RedeemDueInterestAndRewards( address indexed user, address[] sys, address[] yts, address[] markets, uint256[][] syRewards, uint256[] ytInterests, uint256[][] ytRewards, uint256[][] marketRewards ); event RedeemDueInterestAndRewardsThenSwapAll( address indexed user, address[] sys, address[] yts, address[] markets, address indexed tokenOut, uint256 netTokenOut ); function mintSyFromToken( address receiver, address SY, uint256 minSyOut, TokenInput calldata input ) external payable returns (uint256 netSyOut); function redeemSyToToken( address receiver, address SY, uint256 netSyIn, TokenOutput calldata output ) external returns (uint256 netTokenOut); function mintPyFromToken( address receiver, address YT, uint256 minPyOut, TokenInput calldata input ) external payable returns (uint256 netPyOut); function redeemPyToToken( address receiver, address YT, uint256 netPyIn, TokenOutput calldata output ) external returns (uint256 netTokenOut); function mintPyFromSy( address receiver, address YT, uint256 netSyIn, uint256 minPyOut ) external returns (uint256 netPyOut); function redeemPyToSy( address receiver, address YT, uint256 netPyIn, uint256 minSyOut ) external returns (uint256 netSyOut); function redeemDueInterestAndRewards( address user, address[] calldata sys, address[] calldata yts, address[] calldata markets ) external returns ( uint256[][] memory syRewards, uint256[] memory ytInterests, uint256[][] memory ytRewards, uint256[][] memory marketRewards ); struct RouterYtRedeemStruct { address[] yts; // key-value pair address[] syAddrs; address[] tokenRedeemSys; address[] bulks; // } struct RouterSwapAllStruct { // key-value pair address[] tokens; bytes[] kybercalls; // address kyberRouter; address outputToken; uint256 minTokenOut; } function redeemDueInterestAndRewardsThenSwapAll( address[] calldata sys, RouterYtRedeemStruct calldata dataYT, address[] calldata markets, RouterSwapAllStruct calldata dataSwap ) external returns (uint256 netTokenOut, uint256[] memory amountsSwapped); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; interface IPActionMisc { function consult(address market, uint32 secondsAgo) external view returns (uint96 lnImpliedRateMean); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../router/base/MarketApproxLib.sol"; import "../router/kyberswap/KyberSwapHelper.sol"; interface IPActionSwapPT { event SwapPtAndSy( address indexed caller, address indexed market, address indexed receiver, int256 netPtToAccount, int256 netSyToAccount ); event SwapPtAndToken( address indexed caller, address indexed market, address indexed token, address receiver, int256 netPtToAccount, int256 netTokenToAccount ); function swapExactPtForSy( address receiver, address market, uint256 exactPtIn, uint256 minSyOut ) external returns (uint256 netSyOut, uint256 netSyFee); function swapPtForExactSy( address receiver, address market, uint256 exactSyOut, uint256 maxPtIn, ApproxParams calldata guessPtIn ) external returns (uint256 netPtIn, uint256 netSyFee); function swapSyForExactPt( address receiver, address market, uint256 exactPtOut, uint256 maxSyIn ) external returns (uint256 netSyIn, uint256 netSyFee); function swapExactSyForPt( address receiver, address market, uint256 exactSyIn, uint256 minPtOut, ApproxParams calldata guessPtOut ) external returns (uint256 netPtOut, uint256 netSyFee); function swapExactTokenForPt( address receiver, address market, uint256 minPtOut, ApproxParams calldata guessPtOut, TokenInput calldata input ) external payable returns (uint256 netPtOut, uint256 netSyFee); function swapExactPtForToken( address receiver, address market, uint256 exactPtIn, TokenOutput calldata output ) external returns (uint256 netTokenOut, uint256 netSyFee); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../router/base/MarketApproxLib.sol"; import "../router/kyberswap/KyberSwapHelper.sol"; interface IPActionSwapPTYT { event SwapPtAndYt( address indexed caller, address indexed market, address indexed receiver, int256 netPtToAccount, int256 netYtToAccount ); function swapExactPtForYt( address receiver, address market, uint256 exactPtIn, uint256 minYtOut, ApproxParams calldata guessTotalPtToSwap ) external returns (uint256 netYtOut, uint256 netSyFee); function swapExactYtForPt( address receiver, address market, uint256 exactYtIn, uint256 minPtOut, ApproxParams calldata guessTotalPtSwapped ) external returns (uint256 netPtOut, uint256 netSyFee); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../router/base/MarketApproxLib.sol"; import "../router/kyberswap/KyberSwapHelper.sol"; interface IPActionSwapYT { event SwapYtAndSy( address indexed caller, address indexed market, address indexed receiver, int256 netYtToAccount, int256 netSyToAccount ); event SwapYtAndToken( address indexed caller, address indexed market, address indexed token, address receiver, int256 netYtToAccount, int256 netTokenToAccount ); function swapExactSyForYt( address receiver, address market, uint256 exactSyIn, uint256 minYtOut, ApproxParams memory guessYtOut ) external returns (uint256 netYtOut, uint256 netSyFee); function swapExactYtForSy( address receiver, address market, uint256 exactYtIn, uint256 minSyOut ) external returns (uint256 netSyOut, uint256 netSyFee); function swapSyForExactYt( address receiver, address market, uint256 exactYtOut, uint256 maxSyIn ) external returns (uint256 netSyIn, uint256 netSyFee); function swapYtForExactSy( address receiver, address market, uint256 exactSyOut, uint256 maxYtIn, ApproxParams memory guessYtIn ) external returns (uint256 netYtIn, uint256 netSyFee); function swapExactTokenForYt( address receiver, address market, uint256 minYtOut, ApproxParams memory guessYtOut, TokenInput calldata input ) external payable returns (uint256 netYtOut, uint256 netSyFee); function swapExactYtForToken( address receiver, address market, uint256 netYtIn, TokenOutput calldata output ) external returns (uint256 netTokenOut, uint256 netSyFee); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "./IPActionAddRemoveLiq.sol"; import "./IPActionSwapPT.sol"; import "./IPActionSwapYT.sol"; import "./IPActionSwapPTYT.sol"; import "./IPActionMintRedeem.sol"; import "./IPActionMisc.sol"; interface IPAllAction is IPActionAddRemoveLiq, IPActionSwapPT, IPActionSwapYT, IPActionSwapPTYT, IPActionMintRedeem, IPActionMisc {}
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; interface IPInterestManagerYT { function userInterest(address user) external view returns (uint128 lastPYIndex, uint128 accruedInterest); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; interface IPMarketSwapCallback { function swapCallback( int256 ptToAccount, int256 syToAccount, bytes calldata data ) external; }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; interface IPPrincipalToken is IERC20Metadata { function burnByYT(address user, uint256 amount) external; function mintByYT(address user, uint256 amount) external; function initialize(address _YT) external; function SY() external view returns (address); function YT() external view returns (address); function factory() external view returns (address); function expiry() external view returns (uint256); function isExpired() external view returns (bool); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import "./IRewardManager.sol"; import "./IPInterestManagerYT.sol"; interface IPYieldToken is IERC20Metadata, IRewardManager, IPInterestManagerYT { event NewInterestIndex(uint256 indexed newIndex); event Mint( address indexed caller, address indexed receiverPT, address indexed receiverYT, uint256 amountSyToMint, uint256 amountPYOut ); event Burn( address indexed caller, address indexed receiver, uint256 amountPYToRedeem, uint256 amountSyOut ); event RedeemRewards(address indexed user, uint256[] amountRewardsOut); event RedeemInterest(address indexed user, uint256 interestOut); event WithdrawFeeToTreasury(uint256[] amountRewardsOut, uint256 syOut); function mintPY(address receiverPT, address receiverYT) external returns (uint256 amountPYOut); function redeemPY(address receiver) external returns (uint256 amountSyOut); function redeemPYMulti(address[] calldata receivers, uint256[] calldata amountPYToRedeems) external returns (uint256[] memory amountSyOuts); function redeemDueInterestAndRewards( address user, bool redeemInterest, bool redeemRewards ) external returns (uint256 interestOut, uint256[] memory rewardsOut); function rewardIndexesCurrent() external returns (uint256[] memory); function pyIndexCurrent() external returns (uint256); function pyIndexStored() external view returns (uint256); function getRewardTokens() external view returns (address[] memory); function SY() external view returns (address); function PT() external view returns (address); function factory() external view returns (address); function expiry() external view returns (uint256); function isExpired() external view returns (bool); function doCacheIndexSameBlock() external view returns (bool); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; interface IRewardManager { function userReward(address token, address user) external view returns (uint128 index, uint128 accrued); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; import "../../core/libraries/math/Math.sol"; import "../../core/Market/MarketMathCore.sol"; struct ApproxParams { uint256 guessMin; uint256 guessMax; uint256 guessOffchain; // pass 0 in to skip this variable uint256 maxIteration; // every iteration, the diff between guessMin and guessMax will be divided by 2 uint256 eps; // the max eps between the returned result & the correct result, base 1e18. Normally this number will be set // to 1e15 (1e18/1000 = 0.1%) /// Further explanation of the eps. Take swapExactSyForPt for example. To calc the corresponding amount of Pt to swap out, /// it's necessary to run an approximation algorithm, because by default there only exists the Pt to Sy formula /// To approx, the 5 values above will have to be provided, and the approx process will run as follows: /// mid = (guessMin + guessMax) / 2 // mid here is the current guess of the amount of Pt out /// netSyNeed = calcSwapSyForExactPt(mid) /// if (netSyNeed > exactSyIn) guessMax = mid - 1 // since the maximum Sy in can't exceed the exactSyIn /// else guessMin = mid (1) /// For the (1), since netSyNeed <= exactSyIn, the result might be usable. If the netSyNeed is within eps of /// exactSyIn (ex eps=0.1% => we have used 99.9% the amount of Sy specified), mid will be chosen as the final guess result /// for guessOffchain, this is to provide a shortcut to guessing. The offchain SDK can precalculate the exact result /// before the tx is sent. When the tx reaches the contract, the guessOffchain will be checked first, and if it satisfies the /// approximation, it will be used (and save all the guessing). It's expected that this shortcut will be used in most cases /// except in cases that there is a trade in the same market right before the tx } library MarketApproxPtInLib { using MarketMathCore for MarketState; using PYIndexLib for PYIndex; using Math for uint256; using Math for int256; using LogExpMath for int256; struct ApproxParamsPtIn { uint256 guessMin; uint256 guessMax; uint256 guessOffchain; uint256 maxIteration; uint256 eps; // uint256 biggestGoodGuess; } struct Args1 { MarketState market; PYIndex index; uint256 minSyOut; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swap in - Try swapping & get netSyOut - Stop when netSyOut greater & approx minSyOut - guess & approx is for netPtIn */ function approxSwapPtForExactSy( MarketState memory _market, PYIndex _index, uint256 _minSyOut, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netPtIn*/ uint256, /*netSyOut*/ uint256 /*netSyFee*/ ) { Args1 memory a = Args1(_market, _index, _minSyOut, _blockTime); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtIn memory p = newApproxParamsPtIn(_approx, 0, calcMaxPtIn(comp.totalAsset)); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { (bool isGoodSlope, uint256 guess) = nextGuess(p, comp, a.market.totalPt, iter); if (!isGoodSlope) { p.guessMax = guess; continue; } (uint256 netSyOut, uint256 netSyFee, ) = calcSyOut(a.market, comp, a.index, guess); if (netSyOut >= a.minSyOut) { p.guessMax = guess; bool isAnswerAccepted = Math.isAGreaterApproxB(netSyOut, a.minSyOut, p.eps); if (isAnswerAccepted) { return (guess, netSyOut, netSyFee); } } else { p.guessMin = guess; } } revert Errors.ApproxFail(); } struct Args2 { MarketState market; PYIndex index; uint256 exactSyIn; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swap in - Flashswap the corresponding amount of SY out - Pair those amount with exactSyIn SY to tokenize into PT & YT - PT to repay the flashswap, YT transferred to user - Stop when the amount of SY to be pulled to tokenize PT to repay loan approx the exactSyIn - guess & approx is for netYtOut (also netPtIn) */ function approxSwapExactSyForYt( MarketState memory _market, PYIndex _index, uint256 _exactSyIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netYtOut*/ uint256 /*netSyFee*/ ) { Args2 memory a = Args2(_market, _index, _exactSyIn, _blockTime); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); // at minimum we will flashswap exactSyIn since we have enough SY to payback the PT loan ApproxParamsPtIn memory p = newApproxParamsPtIn( _approx, a.index.syToAsset(a.exactSyIn), calcMaxPtIn(comp.totalAsset) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { (bool isGoodSlope, uint256 guess) = nextGuess(p, comp, a.market.totalPt, iter); if (!isGoodSlope) { p.guessMax = guess; continue; } (uint256 netSyOut, uint256 netSyFee, ) = calcSyOut(a.market, comp, a.index, guess); uint256 netSyToTokenizePt = a.index.assetToSyUp(guess); // for sure netSyToTokenizePt >= netSyOut since we are swapping PT to SY uint256 netSyToPull = netSyToTokenizePt - netSyOut; if (netSyToPull <= a.exactSyIn) { p.guessMin = guess; bool isAnswerAccepted = Math.isASmallerApproxB(netSyToPull, a.exactSyIn, p.eps); if (isAnswerAccepted) return (guess, netSyFee); } else { p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } struct Args6 { MarketState market; PYIndex index; uint256 totalPtIn; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swap to SY - Swap PT to SY - Pair the remaining PT with the SY to add liquidity - Stop when the ratio of PT / totalPt & SY / totalSy is approx - guess & approx is for netPtSwap */ function approxSwapPtToAddLiquidity( MarketState memory _market, PYIndex _index, uint256 _totalPtIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netPtSwap*/ uint256, /*netSyFromSwap*/ uint256 /*netSyFee*/ ) { Args6 memory a = Args6(_market, _index, _totalPtIn, _blockTime); require(a.market.totalLp != 0, "no existing lp"); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtIn memory p = newApproxParamsPtIn( _approx, 0, Math.min(a.totalPtIn, calcMaxPtIn(comp.totalAsset)) ); p.guessMax = Math.min(p.guessMax, a.totalPtIn); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { (bool isGoodSlope, uint256 guess) = nextGuess(p, comp, a.market.totalPt, iter); if (!isGoodSlope) { p.guessMax = guess; continue; } (uint256 netSyOut, uint256 netSyFee, uint256 netSyToReserve) = calcSyOut( a.market, comp, a.index, guess ); uint256 syNumerator; uint256 ptNumerator; { uint256 newTotalPt = a.market.totalPt.Uint() + guess; uint256 newTotalSy = (a.market.totalSy.Uint() - netSyOut - netSyToReserve); // it is desired that // netSyOut / newTotalSy = netPtRemaining / newTotalPt // which is equivalent to // netSyOut * newTotalPt = netPtRemaining * newTotalSy syNumerator = netSyOut * newTotalPt; ptNumerator = (a.totalPtIn - guess) * newTotalSy; } if (Math.isAApproxB(syNumerator, ptNumerator, p.eps)) { return (guess, netSyOut, netSyFee); } if (syNumerator <= ptNumerator) { // needs more SY --> swap more PT p.guessMin = guess + 1; } else { // needs less SY --> swap less PT p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } struct Args7 { MarketState market; PYIndex index; uint256 exactPtIn; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swap to SY - Flashswap the corresponding amount of SY out - Tokenize all the SY into PT + YT - PT to repay the flashswap, YT transferred to user - Stop when the additional amount of PT to pull to repay the loan approx the exactPtIn - guess & approx is for totalPtToSwap */ function approxSwapExactPtForYt( MarketState memory _market, PYIndex _index, uint256 _exactPtIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netYtOut*/ uint256, /*totalPtToSwap*/ uint256 /*netSyFee*/ ) { Args7 memory a = Args7(_market, _index, _exactPtIn, _blockTime); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtIn memory p = newApproxParamsPtIn( _approx, a.exactPtIn, calcMaxPtIn(comp.totalAsset) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { (bool isGoodSlope, uint256 guess) = nextGuess(p, comp, a.market.totalPt, iter); if (!isGoodSlope) { p.guessMax = guess; continue; } (uint256 netSyOut, uint256 netSyFee, ) = calcSyOut(a.market, comp, a.index, guess); uint256 netAssetOut = a.index.syToAsset(netSyOut); // guess >= netAssetOut since we are swapping PT to SY uint256 netPtToPull = guess - netAssetOut; if (netPtToPull <= a.exactPtIn) { p.guessMin = guess; if (Math.isASmallerApproxB(netPtToPull, a.exactPtIn, p.eps)) { return (netAssetOut, guess, netSyFee); } } else { p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } //////////////////////////////////////////////////////////////////////////////// function calcSyOut( MarketState memory market, MarketPreCompute memory comp, PYIndex index, uint256 netPtIn ) internal pure returns ( uint256 netSyOut, uint256 netSyFee, uint256 netSyToReserve ) { (int256 _netSyOut, int256 _netSyFee, int256 _netSyToReserve) = market.calcTrade( comp, index, netPtIn.neg() ); netSyOut = _netSyOut.Uint(); netSyFee = _netSyFee.Uint(); netSyToReserve = _netSyToReserve.Uint(); } function newApproxParamsPtIn( ApproxParams memory _approx, uint256 minGuessMin, uint256 maxGuessMax ) internal pure returns (ApproxParamsPtIn memory res) { res.guessMin = Math.max(_approx.guessMin, minGuessMin); res.guessMax = Math.min(_approx.guessMax, maxGuessMax); if (res.guessMin > res.guessMax || _approx.eps > Math.ONE) revert Errors.ApproxParamsInvalid(_approx.guessMin, _approx.guessMax, _approx.eps); res.guessOffchain = _approx.guessOffchain; res.maxIteration = _approx.maxIteration; res.eps = _approx.eps; } function calcMaxPtIn(int256 totalAsset) internal pure returns (uint256) { return totalAsset.Uint() - 1; } function nextGuess( ApproxParamsPtIn memory p, MarketPreCompute memory comp, int256 totalPt, uint256 iter ) internal pure returns (bool, uint256) { uint256 guess = _nextGuessPrivate(p, iter); if (guess <= p.biggestGoodGuess) return (true, guess); int256 slope = calcSlope(comp, totalPt, guess.Int()); if (slope < 0) return (false, guess); p.biggestGoodGuess = guess; return (true, guess); } /** * @dev it is safe to assume that p.guessMin <= p.guessMax from the initialization of p * So once guessMin becomes larger, it should always be the case of ApproxFail */ function _nextGuessPrivate(ApproxParamsPtIn memory p, uint256 iter) private pure returns (uint256) { if (iter == 0 && p.guessOffchain != 0) return p.guessOffchain; if (p.guessMin <= p.guessMax) return (p.guessMin + p.guessMax) / 2; revert Errors.ApproxFail(); } function calcSlope( MarketPreCompute memory comp, int256 totalPt, int256 ptToMarket // ) internal pure returns (int256) { int256 diffAssetPtToMarket = comp.totalAsset - ptToMarket; int256 sumPt = ptToMarket + totalPt; // probably can skip sumPt check require(diffAssetPtToMarket > 0 && sumPt > 0, "invalid ptToMarket"); int256 part1 = (ptToMarket * (totalPt + comp.totalAsset)).divDown( sumPt * diffAssetPtToMarket ); int256 part2 = sumPt.divDown(diffAssetPtToMarket).ln(); int256 part3 = Math.IONE.divDown(comp.rateScalar); return comp.rateAnchor - (part1 - part2).mulDown(part3); } } library MarketApproxPtOutLib { using MarketMathCore for MarketState; using PYIndexLib for PYIndex; using Math for uint256; using Math for int256; using LogExpMath for int256; struct ApproxParamsPtOut { uint256 guessMin; uint256 guessMax; uint256 guessOffchain; uint256 maxIteration; uint256 eps; } struct Args4 { MarketState market; PYIndex index; uint256 exactSyIn; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swapExactOut - Calculate the amount of SY needed - Stop when the netSyIn is smaller approx exactSyIn - guess & approx is for netSyIn */ function approxSwapExactSyForPt( MarketState memory _market, PYIndex _index, uint256 _exactSyIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netPtOut*/ uint256 /*netSyFee*/ ) { Args4 memory a = Args4(_market, _index, _exactSyIn, _blockTime); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtOut memory p = newApproxParamsPtOut( _approx, 0, calcMaxPtOut(comp, a.market.totalPt) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { uint256 guess = nextGuess(p, iter); (uint256 netSyIn, uint256 netSyFee, ) = calcSyIn(a.market, comp, a.index, guess); if (netSyIn <= a.exactSyIn) { p.guessMin = guess; bool isAnswerAccepted = Math.isASmallerApproxB(netSyIn, a.exactSyIn, p.eps); if (isAnswerAccepted) return (guess, netSyFee); } else { p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } struct Args5 { MarketState market; PYIndex index; uint256 minSyOut; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swapExactOut - Flashswap that amount of PT & pair with YT to redeem SY - Use the SY to repay the flashswap debt and the remaining is transferred to user - Stop when the netSyOut is greater approx the minSyOut - guess & approx is for netSyOut */ function approxSwapYtForExactSy( MarketState memory _market, PYIndex _index, uint256 _minSyOut, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netYtIn*/ uint256, /*netSyOut*/ uint256 /*netSyFee*/ ) { Args5 memory a = Args5(_market, _index, _minSyOut, _blockTime); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtOut memory p = newApproxParamsPtOut( _approx, 0, calcMaxPtOut(comp, a.market.totalPt) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { uint256 guess = nextGuess(p, iter); (uint256 netSyOwed, uint256 netSyFee, ) = calcSyIn(a.market, comp, a.index, guess); uint256 netAssetToRepay = a.index.syToAssetUp(netSyOwed); uint256 netSyOut = a.index.assetToSy(guess - netAssetToRepay); if (netSyOut >= a.minSyOut) { p.guessMax = guess; if (Math.isAGreaterApproxB(netSyOut, a.minSyOut, p.eps)) { return (guess, netSyOut, netSyFee); } } else { p.guessMin = guess + 1; } } revert Errors.ApproxFail(); } struct Args6 { MarketState market; PYIndex index; uint256 totalSyIn; uint256 blockTime; } /** * @dev algorithm: - Bin search the amount of PT to swapExactOut - Swap that amount of PT out - Pair the remaining PT with the SY to add liquidity - Stop when the ratio of PT / totalPt & SY / totalSy is approx - guess & approx is for netPtFromSwap */ function approxSwapSyToAddLiquidity( MarketState memory _market, PYIndex _index, uint256 _totalSyIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netPtFromSwap*/ uint256, /*netSySwap*/ uint256 /*netSyFee*/ ) { Args6 memory a = Args6(_market, _index, _totalSyIn, _blockTime); require(a.market.totalLp != 0, "no existing lp"); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtOut memory p = newApproxParamsPtOut( _approx, 0, calcMaxPtOut(comp, a.market.totalPt) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { uint256 guess = nextGuess(p, iter); (uint256 netSyIn, uint256 netSyFee, uint256 netSyToReserve) = calcSyIn( a.market, comp, a.index, guess ); if (netSyIn > a.totalSyIn) { p.guessMax = guess - 1; continue; } uint256 syNumerator; uint256 ptNumerator; { uint256 newTotalPt = a.market.totalPt.Uint() - guess; uint256 netTotalSy = a.market.totalSy.Uint() + netSyIn - netSyToReserve; // it is desired that // netPtFromSwap / newTotalPt = netSyRemaining / netTotalSy // which is equivalent to // netPtFromSwap * netTotalSy = netSyRemaining * newTotalPt ptNumerator = guess * netTotalSy; syNumerator = (a.totalSyIn - netSyIn) * newTotalPt; } if (Math.isAApproxB(ptNumerator, syNumerator, p.eps)) { return (guess, netSyIn, netSyFee); } if (ptNumerator <= syNumerator) { // needs more PT p.guessMin = guess + 1; } else { // needs less PT p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } struct Args8 { MarketState market; PYIndex index; uint256 exactYtIn; uint256 blockTime; uint256 maxSyPayable; } /** * @dev algorithm: - Bin search the amount of PT to swapExactOut - Flashswap that amount of PT out - Pair all the PT with the YT to redeem SY - Use the SY to repay the flashswap debt - Stop when the amount of SY owed is smaller approx the amount of SY to repay the flashswap - guess & approx is for netPtFromSwap */ function approxSwapExactYtForPt( MarketState memory _market, PYIndex _index, uint256 _exactYtIn, uint256 _blockTime, ApproxParams memory _approx ) internal pure returns ( uint256, /*netPtOut*/ uint256, /*totalPtSwapped*/ uint256 /*netSyFee*/ ) { Args8 memory a = Args8( _market, _index, _exactYtIn, _blockTime, _index.assetToSy(_exactYtIn) ); MarketPreCompute memory comp = a.market.getMarketPreCompute(a.index, a.blockTime); ApproxParamsPtOut memory p = newApproxParamsPtOut( _approx, a.exactYtIn, calcMaxPtOut(comp, a.market.totalPt) ); for (uint256 iter = 0; iter < p.maxIteration; ++iter) { uint256 guess = nextGuess(p, iter); (uint256 netSyOwed, uint256 netSyFee, ) = calcSyIn(a.market, comp, a.index, guess); if (netSyOwed <= a.maxSyPayable) { p.guessMin = guess; if (Math.isASmallerApproxB(netSyOwed, a.maxSyPayable, p.eps)) { return (guess - a.exactYtIn, guess, netSyFee); } } else { p.guessMax = guess - 1; } } revert Errors.ApproxFail(); } //////////////////////////////////////////////////////////////////////////////// function calcSyIn( MarketState memory market, MarketPreCompute memory comp, PYIndex index, uint256 netPtOut ) internal pure returns ( uint256 netSyIn, uint256 netSyFee, uint256 netSyToReserve ) { (int256 _netSyIn, int256 _netSyFee, int256 _netSyToReserve) = market.calcTrade( comp, index, netPtOut.Int() ); netSyIn = _netSyIn.abs(); netSyFee = _netSyFee.Uint(); netSyToReserve = _netSyToReserve.Uint(); } function newApproxParamsPtOut( ApproxParams memory _approx, uint256 minGuessMin, uint256 maxGuessMax ) internal pure returns (ApproxParamsPtOut memory res) { if (_approx.guessMin > _approx.guessMax || _approx.eps > Math.ONE) revert Errors.ApproxParamsInvalid(_approx.guessMin, _approx.guessMax, _approx.eps); res.guessMin = Math.max(_approx.guessMin, minGuessMin); res.guessMax = Math.min(_approx.guessMax, maxGuessMax); if (res.guessMin > res.guessMax) revert Errors.ApproxBinarySearchInputInvalid( _approx.guessMin, _approx.guessMax, minGuessMin, maxGuessMax ); res.guessOffchain = _approx.guessOffchain; res.maxIteration = _approx.maxIteration; res.eps = _approx.eps; } function calcMaxPtOut(MarketPreCompute memory comp, int256 totalPt) internal pure returns (uint256) { int256 logitP = (comp.feeRate - comp.rateAnchor).mulDown(comp.rateScalar).exp(); int256 proportion = logitP.divDown(logitP + Math.IONE); int256 numerator = proportion.mulDown(totalPt + comp.totalAsset); int256 maxPtOut = totalPt - numerator; // only get 99.9% of the theoretical max to accommodate some precision issues return (maxPtOut.Uint() * 999) / 1000; } /** * @dev it is safe to assume that p.guessMin <= p.guessMax from the initialization of p * So once guessMin becomes larger, it should always be the case of ApproxFail */ function nextGuess(ApproxParamsPtOut memory p, uint256 iter) private pure returns (uint256) { if (iter == 0 && p.guessOffchain != 0) return p.guessOffchain; if (p.guessMin <= p.guessMax) return (p.guessMin + p.guessMax) / 2; revert Errors.ApproxFail(); } }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.17; interface IAggregationRouterHelper { function getScaledInputData(bytes calldata kybercall, uint256 newAmount) external pure returns (bytes memory); }
// SPDX-License-Identifier: GPL-3.0-or-later /* * MIT License * =========== * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */ pragma solidity 0.8.17; import "@openzeppelin/contracts/utils/Address.sol"; import "../../core/libraries/TokenHelper.sol"; import "./IAggregatorRouterHelper.sol"; import "../../core/libraries/Errors.sol"; struct TokenInput { // Token/Sy data address tokenIn; uint256 netTokenIn; address tokenMintSy; address bulk; // Kyber data address kyberRouter; bytes kybercall; } struct TokenOutput { // Token/Sy data address tokenOut; uint256 minTokenOut; address tokenRedeemSy; address bulk; // Kyber data address kyberRouter; bytes kybercall; } abstract contract KyberSwapHelper is TokenHelper { using Address for address; address public immutable kyberScalingLib; constructor(address _kyberScalingLib) { kyberScalingLib = _kyberScalingLib; } function _kyberswap( address tokenIn, uint256 amountIn, address kyberRouter, bytes memory rawKybercall ) internal { if (kyberRouter == address(0) || rawKybercall.length == 0) revert Errors.RouterKyberSwapDataZero(); _safeApproveInf(tokenIn, kyberRouter); bytes memory kybercall = IAggregationRouterHelper(kyberScalingLib).getScaledInputData( rawKybercall, amountIn ); kyberRouter.functionCallWithValue(kybercall, tokenIn == NATIVE ? amountIn : 0); } }
{ "optimizer": { "enabled": true, "runs": 90000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_ACTION_MINT_REDEEM","type":"address"},{"internalType":"address","name":"_ACTION_ADD_REMOVE_LIQ","type":"address"},{"internalType":"address","name":"_ACTION_SWAP_PT","type":"address"},{"internalType":"address","name":"_ACTION_SWAP_YT","type":"address"},{"internalType":"address","name":"_ACTION_SWAP_PTYT","type":"address"},{"internalType":"address","name":"_ACTION_CALLBACK","type":"address"},{"internalType":"address","name":"_ACTION_MISC","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes4","name":"selector","type":"bytes4"}],"name":"RouterInvalidAction","type":"error"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"ACTION_ADD_REMOVE_LIQ","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_CALLBACK","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_MINT_REDEEM","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_MISC","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_SWAP_PT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_SWAP_PTYT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ACTION_SWAP_YT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"sig","type":"bytes4"}],"name":"getRouterImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000004dba367d0f05bcd6a405f3d90c4c4fd93e1853690000000000000000000000003bbacda010e7f4347e54f2bf0f42ff30b5a897da0000000000000000000000006c0df4896b4b57dcc6d121aa4fd8569b4451bf5000000000000000000000000041d81daf401a0aa7422a769243fa933f351a0d640000000000000000000000005f438e5d032fd933fca63335a8097b466241c3b700000000000000000000000009f4acb1023fe06e0f7a2f8f1ae9ae2c011c3d07000000000000000000000000fc49c4fec5306c73cd21661f9b2fe4b14f94065c
-----Decoded View---------------
Arg [0] : _ACTION_MINT_REDEEM (address): 0x4DbA367D0f05BCD6A405F3d90c4C4fD93E185369
Arg [1] : _ACTION_ADD_REMOVE_LIQ (address): 0x3bBaCDa010e7F4347E54f2bf0f42FF30B5A897Da
Arg [2] : _ACTION_SWAP_PT (address): 0x6C0Df4896B4B57dcc6d121Aa4fD8569B4451Bf50
Arg [3] : _ACTION_SWAP_YT (address): 0x41D81Daf401a0AA7422a769243fa933f351a0D64
Arg [4] : _ACTION_SWAP_PTYT (address): 0x5f438e5d032Fd933fCa63335A8097B466241C3b7
Arg [5] : _ACTION_CALLBACK (address): 0x09F4ACB1023Fe06e0F7A2f8F1ae9Ae2c011C3D07
Arg [6] : _ACTION_MISC (address): 0xFc49c4fEC5306c73Cd21661f9B2fe4B14f94065c
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000004dba367d0f05bcd6a405f3d90c4c4fd93e185369
Arg [1] : 0000000000000000000000003bbacda010e7f4347e54f2bf0f42ff30b5a897da
Arg [2] : 0000000000000000000000006c0df4896b4b57dcc6d121aa4fd8569b4451bf50
Arg [3] : 00000000000000000000000041d81daf401a0aa7422a769243fa933f351a0d64
Arg [4] : 0000000000000000000000005f438e5d032fd933fca63335a8097b466241c3b7
Arg [5] : 00000000000000000000000009f4acb1023fe06e0f7a2f8f1ae9ae2c011c3d07
Arg [6] : 000000000000000000000000fc49c4fec5306c73cd21661f9b2fe4b14f94065c
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Multichain Portfolio | 26 Chains
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.