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Contract Name:
ParaswapAdapter
Compiler Version
v0.8.28+commit.7893614a
Optimization Enabled:
Yes with 999999 runs
Other Settings:
cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.28;
import {IParaswapAdapter, Offsets, MarketParams} from "../interfaces/IParaswapAdapter.sol";
import {IAugustusRegistry} from "../interfaces/IAugustusRegistry.sol";
import {CoreAdapter, ErrorsLib, IERC20, SafeERC20, UtilsLib} from "./CoreAdapter.sol";
import {BytesLib} from "../libraries/BytesLib.sol";
import {Math} from "../../lib/openzeppelin-contracts/contracts/utils/math/Math.sol";
import {IMorpho, MorphoBalancesLib} from "../../lib/morpho-blue/src/libraries/periphery/MorphoBalancesLib.sol";
/// @custom:security-contact [email protected]
/// @notice Adapter for trading with Paraswap.
contract ParaswapAdapter is CoreAdapter, IParaswapAdapter {
using Math for uint256;
using BytesLib for bytes;
/* IMMUTABLES */
/// @notice The address of the Augustus registry.
IAugustusRegistry public immutable AUGUSTUS_REGISTRY;
/// @notice The address of the Morpho contract.
IMorpho public immutable MORPHO;
/* CONSTRUCTOR */
/// @param bundler3 The address of the Bundler3 contract.
/// @param morpho The address of the Morpho protocol.
/// @param augustusRegistry The address of Paraswap's registry of Augustus contracts.
constructor(address bundler3, address morpho, address augustusRegistry) CoreAdapter(bundler3) {
require(morpho != address(0), ErrorsLib.ZeroAddress());
require(augustusRegistry != address(0), ErrorsLib.ZeroAddress());
MORPHO = IMorpho(morpho);
AUGUSTUS_REGISTRY = IAugustusRegistry(augustusRegistry);
}
/* SWAP ACTIONS */
/// @notice Sells an exact amount. Can check for a minimum purchased amount.
/// @notice Compatibility with Augustus versions different from 6.2 is not guaranteed.
/// @notice This function should be used immediately after sending tokens to the adapter, and any tokens remaining
/// in the adapter after a swap should be transferred out immediately.
/// @param augustus Address of the swapping contract. Must be in Paraswap's Augustus registry.
/// @param callData Swap data to call `augustus` with. Contains routing information.
/// @param srcToken Token to sell.
/// @param destToken Token to buy.
/// @param sellEntireBalance If true, adjusts amounts to sell the current balance of this contract.
/// @param offsets Offsets in callData of the exact sell amount (`exactAmount`), minimum buy amount (`limitAmount`)
/// and quoted buy amount (`quotedAmount`).
/// @dev The quoted buy amount will change only if its offset is not zero.
/// @param receiver Address to which bought assets will be sent. Any leftover `srcToken` should be skimmed
/// separately.
function sell(
address augustus,
bytes memory callData,
address srcToken,
address destToken,
bool sellEntireBalance,
Offsets calldata offsets,
address receiver
) external {
if (sellEntireBalance) {
uint256 newSrcAmount = IERC20(srcToken).balanceOf(address(this));
updateAmounts(callData, offsets, newSrcAmount, Math.Rounding.Ceil);
}
swap({
augustus: augustus,
callData: callData,
srcToken: srcToken,
destToken: destToken,
maxSrcAmount: callData.get(offsets.exactAmount),
minDestAmount: callData.get(offsets.limitAmount),
receiver: receiver
});
}
/// @notice Buys an exact amount. Can check for a maximum sold amount.
/// @notice Compatibility with Augustus versions different from 6.2 is not guaranteed.
/// @notice This function should be used immediately after sending tokens to the adapter, and any tokens remaining
/// in the adapter after a swap should be transferred out immediately.
/// @param augustus Address of the swapping contract. Must be in Paraswap's Augustus registry.
/// @param callData Swap data to call `augustus`. Contains routing information.
/// @param srcToken Token to sell.
/// @param destToken Token to buy.
/// @param newDestAmount Adjusted amount to buy. Will be used to update callData before sent to Augustus contract.
/// @param offsets Offsets in callData of the exact buy amount (`exactAmount`), maximum sell amount (`limitAmount`)
/// and quoted sell amount (`quotedAmount`).
/// @dev The quoted sell amount will change only if its offset is not zero.
/// @param receiver Address to which bought assets will be sent. Any leftover `srcToken` should be skimmed
/// separately.
function buy(
address augustus,
bytes memory callData,
address srcToken,
address destToken,
uint256 newDestAmount,
Offsets calldata offsets,
address receiver
) public {
if (newDestAmount != 0) {
updateAmounts(callData, offsets, newDestAmount, Math.Rounding.Floor);
}
swap({
augustus: augustus,
callData: callData,
srcToken: srcToken,
destToken: destToken,
maxSrcAmount: callData.get(offsets.limitAmount),
minDestAmount: callData.get(offsets.exactAmount),
receiver: receiver
});
}
/// @notice Buys an amount corresponding to a user's Morpho debt.
/// @notice Compatibility with Augustus versions different from 6.2 is not guaranteed.
/// @notice This function should be used immediately after sending tokens to the adapter, and any tokens remaining
/// in the adapter after a swap should be transferred out immediately.
/// @param augustus Address of the swapping contract. Must be in Paraswap's Augustus registry.
/// @param callData Swap data to call `augustus`. Contains routing information.
/// @param srcToken Token to sell.
/// @param marketParams Market parameters of the market with Morpho debt. The user must have nonzero debt.
/// @param offsets Offsets in callData of the exact buy amount (`exactAmount`), maximum sell amount (`limitAmount`)
/// and quoted sell amount (`quotedAmount`).
/// @param onBehalf The amount bought will be exactly `onBehalf`'s debt.
/// @param receiver Address to which bought assets will be sent. Any leftover `src` tokens should be skimmed
/// separately.
function buyMorphoDebt(
address augustus,
bytes memory callData,
address srcToken,
MarketParams calldata marketParams,
Offsets calldata offsets,
address onBehalf,
address receiver
) external {
uint256 debtAmount = MorphoBalancesLib.expectedBorrowAssets(MORPHO, marketParams, onBehalf);
require(debtAmount != 0, ErrorsLib.ZeroAmount());
buy({
augustus: augustus,
callData: callData,
srcToken: srcToken,
destToken: marketParams.loanToken,
newDestAmount: debtAmount,
offsets: offsets,
receiver: receiver
});
}
/* INTERNAL FUNCTIONS */
/// @dev Executes the swap specified by `callData` with `augustus`.
/// @dev Even if this adapter holds no approval, swaps are restricted to Bundler3 here as in all adapters in
/// order to simplify the security model.
/// @param augustus Address of the swapping contract. Must be in Paraswap's Augustus registry.
/// @param callData Swap data to call `augustus`. Contains routing information.
/// @param srcToken Token to sell.
/// @param destToken Token to buy.
/// @param maxSrcAmount Maximum amount of `srcToken` to sell.
/// @param minDestAmount Minimum amount of `destToken` to buy.
/// @param receiver Address to which bought assets will be sent. Any leftover `src` tokens should be skimmed
/// separately.
function swap(
address augustus,
bytes memory callData,
address srcToken,
address destToken,
uint256 maxSrcAmount,
uint256 minDestAmount,
address receiver
) internal onlyBundler3 {
require(AUGUSTUS_REGISTRY.isValidAugustus(augustus), ErrorsLib.InvalidAugustus());
require(receiver != address(0), ErrorsLib.ZeroAddress());
require(minDestAmount != 0, ErrorsLib.ZeroAmount());
uint256 srcInitial = IERC20(srcToken).balanceOf(address(this));
uint256 destInitial = IERC20(destToken).balanceOf(address(this));
SafeERC20.forceApprove(IERC20(srcToken), augustus, type(uint256).max);
(bool success, bytes memory returnData) = augustus.call(callData);
if (!success) UtilsLib.lowLevelRevert(returnData);
SafeERC20.forceApprove(IERC20(srcToken), augustus, 0);
uint256 srcFinal = IERC20(srcToken).balanceOf(address(this));
uint256 destFinal = IERC20(destToken).balanceOf(address(this));
uint256 srcAmount = srcInitial - srcFinal;
uint256 destAmount = destFinal - destInitial;
require(srcAmount <= maxSrcAmount, ErrorsLib.SellAmountTooHigh());
require(destAmount >= minDestAmount, ErrorsLib.BuyAmountTooLow());
if (receiver != address(this)) {
SafeERC20.safeTransfer(IERC20(destToken), receiver, destAmount);
}
}
/// @notice Sets exact amount in `callData` to `exactAmount`.
/// @notice Proportionally scale limit amount in `callData`.
/// @notice If `offsets.quotedAmount` is not zero, proportionally scale quoted amount in `callData`.
function updateAmounts(bytes memory callData, Offsets calldata offsets, uint256 exactAmount, Math.Rounding rounding)
internal
pure
{
uint256 oldExactAmount = callData.get(offsets.exactAmount);
callData.set(offsets.exactAmount, exactAmount);
uint256 limitAmount = callData.get(offsets.limitAmount).mulDiv(exactAmount, oldExactAmount, rounding);
callData.set(offsets.limitAmount, limitAmount);
if (offsets.quotedAmount > 0) {
uint256 quotedAmount = callData.get(offsets.quotedAmount).mulDiv(exactAmount, oldExactAmount, rounding);
callData.set(offsets.quotedAmount, quotedAmount);
}
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import {MarketParams} from "../../lib/morpho-blue/src/interfaces/IMorpho.sol";
/// @notice The offsets are:
/// - exactAmount, the offset in augustus calldata of the exact amount to sell / buy.
/// - limitAmount, the offset in augustus calldata of the minimum amount to buy / maximum amount to sell
/// - quotedAmount, the offset in augustus calldata of the initially quoted buy amount / initially quoted sell amount.
/// Set to 0 if the quoted amount is not present in augustus calldata so that it is not used.
struct Offsets {
uint256 exactAmount;
uint256 limitAmount;
uint256 quotedAmount;
}
/// @custom:security-contact [email protected]
/// @notice Interface of Paraswap Adapter.
interface IParaswapAdapter {
function sell(
address augustus,
bytes memory callData,
address srcToken,
address destToken,
bool sellEntireBalance,
Offsets calldata offsets,
address receiver
) external;
function buy(
address augustus,
bytes memory callData,
address srcToken,
address destToken,
uint256 newDestAmount,
Offsets calldata offsets,
address receiver
) external;
function buyMorphoDebt(
address augustus,
bytes memory callData,
address srcToken,
MarketParams calldata marketParams,
Offsets calldata offsets,
address onBehalf,
address receiver
) external;
}// SPDX-License-Identifier: GPL-2.0-or-later
// Paraswap registry of valid Augustus contracts
// https://github.com/paraswap/augustus-v5/blob/d297477b8fc7be65c337b0cf2bc21f4f7f925b68/contracts/IAugustusRegistry.sol
pragma solidity >=0.5.0;
interface IAugustusRegistry {
function isValidAugustus(address augustus) external view returns (bool);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {ErrorsLib} from "../libraries/ErrorsLib.sol";
import {SafeERC20, IERC20} from "../../lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";
import {Address} from "../../lib/openzeppelin-contracts/contracts/utils/Address.sol";
import {IBundler3} from "../interfaces/IBundler3.sol";
import {UtilsLib} from "../libraries/UtilsLib.sol";
/// @custom:security-contact [email protected]
/// @notice Common contract to all Bundler3 adapters.
abstract contract CoreAdapter {
/* IMMUTABLES */
/// @notice The address of the Bundler3 contract.
address public immutable BUNDLER3;
/* CONSTRUCTOR */
/// @param bundler3 The address of the Bundler3 contract.
constructor(address bundler3) {
require(bundler3 != address(0), ErrorsLib.ZeroAddress());
BUNDLER3 = bundler3;
}
/* MODIFIERS */
/// @dev Prevents a function from being called outside of a bundle context.
/// @dev Ensures the value of initiator() is correct.
modifier onlyBundler3() {
require(msg.sender == BUNDLER3, ErrorsLib.UnauthorizedSender());
_;
}
/* FALLBACKS */
/// @notice Native tokens are received by the adapter and should be used afterwards.
/// @dev Allows the wrapped native contract to transfer native tokens to the adapter.
receive() external payable virtual {}
/* ACTIONS */
/// @notice Transfers native assets.
/// @param receiver The address that will receive the native tokens.
/// @param amount The amount of native tokens to transfer. Pass `type(uint).max` to transfer the adapter's balance
/// (this allows 0 value transfers).
function nativeTransfer(address receiver, uint256 amount) external onlyBundler3 {
require(receiver != address(0), ErrorsLib.ZeroAddress());
require(receiver != address(this), ErrorsLib.AdapterAddress());
if (amount == type(uint256).max) amount = address(this).balance;
else require(amount != 0, ErrorsLib.ZeroAmount());
if (amount > 0) Address.sendValue(payable(receiver), amount);
}
/// @notice Transfers ERC20 tokens.
/// @param token The address of the ERC20 token to transfer.
/// @param receiver The address that will receive the tokens.
/// @param amount The amount of token to transfer. Pass `type(uint).max` to transfer the adapter's balance (this
/// allows 0 value transfers).
function erc20Transfer(address token, address receiver, uint256 amount) external onlyBundler3 {
require(receiver != address(0), ErrorsLib.ZeroAddress());
require(receiver != address(this), ErrorsLib.AdapterAddress());
if (amount == type(uint256).max) amount = IERC20(token).balanceOf(address(this));
else require(amount != 0, ErrorsLib.ZeroAmount());
if (amount > 0) SafeERC20.safeTransfer(IERC20(token), receiver, amount);
}
/* INTERNAL */
/// @notice Returns the current initiator stored in the adapter.
/// @dev The initiator value being non-zero indicates that a bundle is being processed.
function initiator() internal view returns (address) {
return IBundler3(BUNDLER3).initiator();
}
/// @notice Calls bundler3.reenter with an already encoded Call array.
/// @dev Useful to skip an ABI decode-encode step when transmitting callback data.
/// @param data An abi-encoded Call[].
function reenterBundler3(bytes calldata data) internal {
(bool success, bytes memory returnData) = BUNDLER3.call(bytes.concat(IBundler3.reenter.selector, data));
if (!success) UtilsLib.lowLevelRevert(returnData);
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {ErrorsLib} from "./ErrorsLib.sol";
/// @custom:security-contact [email protected]
/// @notice Library exposing bytes manipulation.
library BytesLib {
/// @notice Reads 32 bytes at offset `offset` of memory bytes `data`.
function get(bytes memory data, uint256 offset) internal pure returns (uint256 currentValue) {
require(offset <= data.length - 32, ErrorsLib.InvalidOffset());
assembly ("memory-safe") {
currentValue := mload(add(32, add(data, offset)))
}
}
/// @notice Writes `value` at offset `offset` of memory bytes `data`.
function set(bytes memory data, uint256 offset, uint256 value) internal pure {
require(offset <= data.length - 32, ErrorsLib.InvalidOffset());
assembly ("memory-safe") {
mstore(add(32, add(data, offset)), value)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Floor, // Toward negative infinity
Ceil, // Toward positive infinity
Trunc, // Toward zero
Expand // Away from zero
}
/**
* @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
*
* IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
* However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
* one branch when needed, making this function more expensive.
*/
function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {
unchecked {
// branchless ternary works because:
// b ^ (a ^ b) == a
// b ^ 0 == b
return b ^ ((a ^ b) * SafeCast.toUint(condition));
}
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a > b, a, b);
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a < b, a, b);
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds towards infinity instead
* of rounding towards zero.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
if (b == 0) {
// Guarantee the same behavior as in a regular Solidity division.
Panic.panic(Panic.DIVISION_BY_ZERO);
}
// The following calculation ensures accurate ceiling division without overflow.
// Since a is non-zero, (a - 1) / b will not overflow.
// The largest possible result occurs when (a - 1) / b is type(uint256).max,
// but the largest value we can obtain is type(uint256).max - 1, which happens
// when a = type(uint256).max and b = 1.
unchecked {
return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);
}
}
/**
* @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
* denominator == 0.
*
* Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
* Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
// the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2²⁵⁶ + prod0.
uint256 prod0 = x * y; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
if (denominator <= prod1) {
Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));
}
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator.
// Always >= 1. See https://cs.stackexchange.com/q/138556/92363.
uint256 twos = denominator & (0 - denominator);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
// that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv ≡ 1 mod 2⁴.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
// works in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2⁸
inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
inverse *= 2 - denominator * inverse; // inverse mod 2³²
inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
// less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
}
/**
* @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
*
* If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.
* If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
*
* If the input value is not inversible, 0 is returned.
*
* NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the
* inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.
*/
function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
unchecked {
if (n == 0) return 0;
// The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
// Used to compute integers x and y such that: ax + ny = gcd(a, n).
// When the gcd is 1, then the inverse of a modulo n exists and it's x.
// ax + ny = 1
// ax = 1 + (-y)n
// ax ≡ 1 (mod n) # x is the inverse of a modulo n
// If the remainder is 0 the gcd is n right away.
uint256 remainder = a % n;
uint256 gcd = n;
// Therefore the initial coefficients are:
// ax + ny = gcd(a, n) = n
// 0a + 1n = n
int256 x = 0;
int256 y = 1;
while (remainder != 0) {
uint256 quotient = gcd / remainder;
(gcd, remainder) = (
// The old remainder is the next gcd to try.
remainder,
// Compute the next remainder.
// Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
// where gcd is at most n (capped to type(uint256).max)
gcd - remainder * quotient
);
(x, y) = (
// Increment the coefficient of a.
y,
// Decrement the coefficient of n.
// Can overflow, but the result is casted to uint256 so that the
// next value of y is "wrapped around" to a value between 0 and n - 1.
x - y * int256(quotient)
);
}
if (gcd != 1) return 0; // No inverse exists.
return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.
}
}
/**
* @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.
*
* From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is
* prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that
* `a**(p-2)` is the modular multiplicative inverse of a in Fp.
*
* NOTE: this function does NOT check that `p` is a prime greater than `2`.
*/
function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {
unchecked {
return Math.modExp(a, p - 2, p);
}
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
*
* Requirements:
* - modulus can't be zero
* - underlying staticcall to precompile must succeed
*
* IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
* sure the chain you're using it on supports the precompiled contract for modular exponentiation
* at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
* the underlying function will succeed given the lack of a revert, but the result may be incorrectly
* interpreted as 0.
*/
function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
(bool success, uint256 result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
* It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying
* to operate modulo 0 or if the underlying precompile reverted.
*
* IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
* you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
* https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
* of a revert, but the result may be incorrectly interpreted as 0.
*/
function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
if (m == 0) return (false, 0);
assembly ("memory-safe") {
let ptr := mload(0x40)
// | Offset | Content | Content (Hex) |
// |-----------|------------|--------------------------------------------------------------------|
// | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x60:0x7f | value of b | 0x<.............................................................b> |
// | 0x80:0x9f | value of e | 0x<.............................................................e> |
// | 0xa0:0xbf | value of m | 0x<.............................................................m> |
mstore(ptr, 0x20)
mstore(add(ptr, 0x20), 0x20)
mstore(add(ptr, 0x40), 0x20)
mstore(add(ptr, 0x60), b)
mstore(add(ptr, 0x80), e)
mstore(add(ptr, 0xa0), m)
// Given the result < m, it's guaranteed to fit in 32 bytes,
// so we can use the memory scratch space located at offset 0.
success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
result := mload(0x00)
}
}
/**
* @dev Variant of {modExp} that supports inputs of arbitrary length.
*/
function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
(bool success, bytes memory result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Variant of {tryModExp} that supports inputs of arbitrary length.
*/
function tryModExp(
bytes memory b,
bytes memory e,
bytes memory m
) internal view returns (bool success, bytes memory result) {
if (_zeroBytes(m)) return (false, new bytes(0));
uint256 mLen = m.length;
// Encode call args in result and move the free memory pointer
result = abi.encodePacked(b.length, e.length, mLen, b, e, m);
assembly ("memory-safe") {
let dataPtr := add(result, 0x20)
// Write result on top of args to avoid allocating extra memory.
success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
// Overwrite the length.
// result.length > returndatasize() is guaranteed because returndatasize() == m.length
mstore(result, mLen)
// Set the memory pointer after the returned data.
mstore(0x40, add(dataPtr, mLen))
}
}
/**
* @dev Returns whether the provided byte array is zero.
*/
function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
for (uint256 i = 0; i < byteArray.length; ++i) {
if (byteArray[i] != 0) {
return false;
}
}
return true;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
* towards zero.
*
* This method is based on Newton's method for computing square roots; the algorithm is restricted to only
* using integer operations.
*/
function sqrt(uint256 a) internal pure returns (uint256) {
unchecked {
// Take care of easy edge cases when a == 0 or a == 1
if (a <= 1) {
return a;
}
// In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
// sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
// the current value as `ε_n = | x_n - sqrt(a) |`.
//
// For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
// of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
// bigger than any uint256.
//
// By noticing that
// `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
// we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
// to the msb function.
uint256 aa = a;
uint256 xn = 1;
if (aa >= (1 << 128)) {
aa >>= 128;
xn <<= 64;
}
if (aa >= (1 << 64)) {
aa >>= 64;
xn <<= 32;
}
if (aa >= (1 << 32)) {
aa >>= 32;
xn <<= 16;
}
if (aa >= (1 << 16)) {
aa >>= 16;
xn <<= 8;
}
if (aa >= (1 << 8)) {
aa >>= 8;
xn <<= 4;
}
if (aa >= (1 << 4)) {
aa >>= 4;
xn <<= 2;
}
if (aa >= (1 << 2)) {
xn <<= 1;
}
// We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
//
// We can refine our estimation by noticing that the middle of that interval minimizes the error.
// If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
// This is going to be our x_0 (and ε_0)
xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)
// From here, Newton's method give us:
// x_{n+1} = (x_n + a / x_n) / 2
//
// One should note that:
// x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
// = ((x_n² + a) / (2 * x_n))² - a
// = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
// = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
// = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
// = (x_n² - a)² / (2 * x_n)²
// = ((x_n² - a) / (2 * x_n))²
// ≥ 0
// Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
//
// This gives us the proof of quadratic convergence of the sequence:
// ε_{n+1} = | x_{n+1} - sqrt(a) |
// = | (x_n + a / x_n) / 2 - sqrt(a) |
// = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
// = | (x_n - sqrt(a))² / (2 * x_n) |
// = | ε_n² / (2 * x_n) |
// = ε_n² / | (2 * x_n) |
//
// For the first iteration, we have a special case where x_0 is known:
// ε_1 = ε_0² / | (2 * x_0) |
// ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
// ≤ 2**(2*e-4) / (3 * 2**(e-1))
// ≤ 2**(e-3) / 3
// ≤ 2**(e-3-log2(3))
// ≤ 2**(e-4.5)
//
// For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
// ε_{n+1} = ε_n² / | (2 * x_n) |
// ≤ (2**(e-k))² / (2 * 2**(e-1))
// ≤ 2**(2*e-2*k) / 2**e
// ≤ 2**(e-2*k)
xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above
xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5
xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9
xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18
xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36
xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72
// Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
// ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
// sqrt(a) or sqrt(a) + 1.
return xn - SafeCast.toUint(xn > a / xn);
}
}
/**
* @dev Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
}
}
/**
* @dev Return the log in base 2 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 exp;
unchecked {
exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
value >>= exp;
result += exp;
exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
value >>= exp;
result += exp;
exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
value >>= exp;
result += exp;
exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
value >>= exp;
result += exp;
exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
value >>= exp;
result += exp;
exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
value >>= exp;
result += exp;
exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
value >>= exp;
result += exp;
result += SafeCast.toUint(value > 1);
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
}
}
/**
* @dev Return the log in base 10 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
}
}
/**
* @dev Return the log in base 256 of a positive value rounded towards zero.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 isGt;
unchecked {
isGt = SafeCast.toUint(value > (1 << 128) - 1);
value >>= isGt * 128;
result += isGt * 16;
isGt = SafeCast.toUint(value > (1 << 64) - 1);
value >>= isGt * 64;
result += isGt * 8;
isGt = SafeCast.toUint(value > (1 << 32) - 1);
value >>= isGt * 32;
result += isGt * 4;
isGt = SafeCast.toUint(value > (1 << 16) - 1);
value >>= isGt * 16;
result += isGt * 2;
result += SafeCast.toUint(value > (1 << 8) - 1);
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
}
}
/**
* @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
*/
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {Id, MarketParams, Market, IMorpho} from "../../interfaces/IMorpho.sol";
import {IIrm} from "../../interfaces/IIrm.sol";
import {MathLib} from "../MathLib.sol";
import {UtilsLib} from "../UtilsLib.sol";
import {MorphoLib} from "./MorphoLib.sol";
import {SharesMathLib} from "../SharesMathLib.sol";
import {MarketParamsLib} from "../MarketParamsLib.sol";
/// @title MorphoBalancesLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Helper library exposing getters with the expected value after interest accrual.
/// @dev This library is not used in Morpho itself and is intended to be used by integrators.
/// @dev The getter to retrieve the expected total borrow shares is not exposed because interest accrual does not apply
/// to it. The value can be queried directly on Morpho using `totalBorrowShares`.
library MorphoBalancesLib {
using MathLib for uint256;
using MathLib for uint128;
using UtilsLib for uint256;
using MorphoLib for IMorpho;
using SharesMathLib for uint256;
using MarketParamsLib for MarketParams;
/// @notice Returns the expected market balances of a market after having accrued interest.
/// @return The expected total supply assets.
/// @return The expected total supply shares.
/// @return The expected total borrow assets.
/// @return The expected total borrow shares.
function expectedMarketBalances(IMorpho morpho, MarketParams memory marketParams)
internal
view
returns (uint256, uint256, uint256, uint256)
{
Id id = marketParams.id();
Market memory market = morpho.market(id);
uint256 elapsed = block.timestamp - market.lastUpdate;
// Skipped if elapsed == 0 or totalBorrowAssets == 0 because interest would be null, or if irm == address(0).
if (elapsed != 0 && market.totalBorrowAssets != 0 && marketParams.irm != address(0)) {
uint256 borrowRate = IIrm(marketParams.irm).borrowRateView(marketParams, market);
uint256 interest = market.totalBorrowAssets.wMulDown(borrowRate.wTaylorCompounded(elapsed));
market.totalBorrowAssets += interest.toUint128();
market.totalSupplyAssets += interest.toUint128();
if (market.fee != 0) {
uint256 feeAmount = interest.wMulDown(market.fee);
// The fee amount is subtracted from the total supply in this calculation to compensate for the fact
// that total supply is already updated.
uint256 feeShares =
feeAmount.toSharesDown(market.totalSupplyAssets - feeAmount, market.totalSupplyShares);
market.totalSupplyShares += feeShares.toUint128();
}
}
return (market.totalSupplyAssets, market.totalSupplyShares, market.totalBorrowAssets, market.totalBorrowShares);
}
/// @notice Returns the expected total supply assets of a market after having accrued interest.
function expectedTotalSupplyAssets(IMorpho morpho, MarketParams memory marketParams)
internal
view
returns (uint256 totalSupplyAssets)
{
(totalSupplyAssets,,,) = expectedMarketBalances(morpho, marketParams);
}
/// @notice Returns the expected total borrow assets of a market after having accrued interest.
function expectedTotalBorrowAssets(IMorpho morpho, MarketParams memory marketParams)
internal
view
returns (uint256 totalBorrowAssets)
{
(,, totalBorrowAssets,) = expectedMarketBalances(morpho, marketParams);
}
/// @notice Returns the expected total supply shares of a market after having accrued interest.
function expectedTotalSupplyShares(IMorpho morpho, MarketParams memory marketParams)
internal
view
returns (uint256 totalSupplyShares)
{
(, totalSupplyShares,,) = expectedMarketBalances(morpho, marketParams);
}
/// @notice Returns the expected supply assets balance of `user` on a market after having accrued interest.
/// @dev Warning: Wrong for `feeRecipient` because their supply shares increase is not taken into account.
/// @dev Warning: Withdrawing using the expected supply assets can lead to a revert due to conversion roundings from
/// assets to shares.
function expectedSupplyAssets(IMorpho morpho, MarketParams memory marketParams, address user)
internal
view
returns (uint256)
{
Id id = marketParams.id();
uint256 supplyShares = morpho.supplyShares(id, user);
(uint256 totalSupplyAssets, uint256 totalSupplyShares,,) = expectedMarketBalances(morpho, marketParams);
return supplyShares.toAssetsDown(totalSupplyAssets, totalSupplyShares);
}
/// @notice Returns the expected borrow assets balance of `user` on a market after having accrued interest.
/// @dev Warning: The expected balance is rounded up, so it may be greater than the market's expected total borrow
/// assets.
function expectedBorrowAssets(IMorpho morpho, MarketParams memory marketParams, address user)
internal
view
returns (uint256)
{
Id id = marketParams.id();
uint256 borrowShares = morpho.borrowShares(id, user);
(,, uint256 totalBorrowAssets, uint256 totalBorrowShares) = expectedMarketBalances(morpho, marketParams);
return borrowShares.toAssetsUp(totalBorrowAssets, totalBorrowShares);
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
type Id is bytes32;
struct MarketParams {
address loanToken;
address collateralToken;
address oracle;
address irm;
uint256 lltv;
}
/// @dev Warning: For `feeRecipient`, `supplyShares` does not contain the accrued shares since the last interest
/// accrual.
struct Position {
uint256 supplyShares;
uint128 borrowShares;
uint128 collateral;
}
/// @dev Warning: `totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalSupplyShares` does not contain the additional shares accrued by `feeRecipient` since the last
/// interest accrual.
struct Market {
uint128 totalSupplyAssets;
uint128 totalSupplyShares;
uint128 totalBorrowAssets;
uint128 totalBorrowShares;
uint128 lastUpdate;
uint128 fee;
}
struct Authorization {
address authorizer;
address authorized;
bool isAuthorized;
uint256 nonce;
uint256 deadline;
}
struct Signature {
uint8 v;
bytes32 r;
bytes32 s;
}
/// @dev This interface is used for factorizing IMorphoStaticTyping and IMorpho.
/// @dev Consider using the IMorpho interface instead of this one.
interface IMorphoBase {
/// @notice The EIP-712 domain separator.
/// @dev Warning: Every EIP-712 signed message based on this domain separator can be reused on another chain sharing
/// the same chain id because the domain separator would be the same.
function DOMAIN_SEPARATOR() external view returns (bytes32);
/// @notice The owner of the contract.
/// @dev It has the power to change the owner.
/// @dev It has the power to set fees on markets and set the fee recipient.
/// @dev It has the power to enable but not disable IRMs and LLTVs.
function owner() external view returns (address);
/// @notice The fee recipient of all markets.
/// @dev The recipient receives the fees of a given market through a supply position on that market.
function feeRecipient() external view returns (address);
/// @notice Whether the `irm` is enabled.
function isIrmEnabled(address irm) external view returns (bool);
/// @notice Whether the `lltv` is enabled.
function isLltvEnabled(uint256 lltv) external view returns (bool);
/// @notice Whether `authorized` is authorized to modify `authorizer`'s position on all markets.
/// @dev Anyone is authorized to modify their own positions, regardless of this variable.
function isAuthorized(address authorizer, address authorized) external view returns (bool);
/// @notice The `authorizer`'s current nonce. Used to prevent replay attacks with EIP-712 signatures.
function nonce(address authorizer) external view returns (uint256);
/// @notice Sets `newOwner` as `owner` of the contract.
/// @dev Warning: No two-step transfer ownership.
/// @dev Warning: The owner can be set to the zero address.
function setOwner(address newOwner) external;
/// @notice Enables `irm` as a possible IRM for market creation.
/// @dev Warning: It is not possible to disable an IRM.
function enableIrm(address irm) external;
/// @notice Enables `lltv` as a possible LLTV for market creation.
/// @dev Warning: It is not possible to disable a LLTV.
function enableLltv(uint256 lltv) external;
/// @notice Sets the `newFee` for the given market `marketParams`.
/// @param newFee The new fee, scaled by WAD.
/// @dev Warning: The recipient can be the zero address.
function setFee(MarketParams memory marketParams, uint256 newFee) external;
/// @notice Sets `newFeeRecipient` as `feeRecipient` of the fee.
/// @dev Warning: If the fee recipient is set to the zero address, fees will accrue there and will be lost.
/// @dev Modifying the fee recipient will allow the new recipient to claim any pending fees not yet accrued. To
/// ensure that the current recipient receives all due fees, accrue interest manually prior to making any changes.
function setFeeRecipient(address newFeeRecipient) external;
/// @notice Creates the market `marketParams`.
/// @dev Here is the list of assumptions on the market's dependencies (tokens, IRM and oracle) that guarantees
/// Morpho behaves as expected:
/// - The token should be ERC-20 compliant, except that it can omit return values on `transfer` and `transferFrom`.
/// - The token balance of Morpho should only decrease on `transfer` and `transferFrom`. In particular, tokens with
/// burn functions are not supported.
/// - The token should not re-enter Morpho on `transfer` nor `transferFrom`.
/// - The token balance of the sender (resp. receiver) should decrease (resp. increase) by exactly the given amount
/// on `transfer` and `transferFrom`. In particular, tokens with fees on transfer are not supported.
/// - The IRM should not re-enter Morpho.
/// - The oracle should return a price with the correct scaling.
/// @dev Here is a list of properties on the market's dependencies that could break Morpho's liveness properties
/// (funds could get stuck):
/// - The token can revert on `transfer` and `transferFrom` for a reason other than an approval or balance issue.
/// - A very high amount of assets (~1e35) supplied or borrowed can make the computation of `toSharesUp` and
/// `toSharesDown` overflow.
/// - The IRM can revert on `borrowRate`.
/// - A very high borrow rate returned by the IRM can make the computation of `interest` in `_accrueInterest`
/// overflow.
/// - The oracle can revert on `price`. Note that this can be used to prevent `borrow`, `withdrawCollateral` and
/// `liquidate` from being used under certain market conditions.
/// - A very high price returned by the oracle can make the computation of `maxBorrow` in `_isHealthy` overflow, or
/// the computation of `assetsRepaid` in `liquidate` overflow.
/// @dev The borrow share price of a market with less than 1e4 assets borrowed can be decreased by manipulations, to
/// the point where `totalBorrowShares` is very large and borrowing overflows.
function createMarket(MarketParams memory marketParams) external;
/// @notice Supplies `assets` or `shares` on behalf of `onBehalf`, optionally calling back the caller's
/// `onMorphoSupply` function with the given `data`.
/// @dev Either `assets` or `shares` should be zero. Most use cases should rely on `assets` as an input so the
/// caller is guaranteed to have `assets` tokens pulled from their balance, but the possibility to mint a specific
/// amount of shares is given for full compatibility and precision.
/// @dev Supplying a large amount can revert for overflow.
/// @dev Supplying an amount of shares may lead to supply more or fewer assets than expected due to slippage.
/// Consider using the `assets` parameter to avoid this.
/// @param marketParams The market to supply assets to.
/// @param assets The amount of assets to supply.
/// @param shares The amount of shares to mint.
/// @param onBehalf The address that will own the increased supply position.
/// @param data Arbitrary data to pass to the `onMorphoSupply` callback. Pass empty data if not needed.
/// @return assetsSupplied The amount of assets supplied.
/// @return sharesSupplied The amount of shares minted.
function supply(
MarketParams memory marketParams,
uint256 assets,
uint256 shares,
address onBehalf,
bytes memory data
) external returns (uint256 assetsSupplied, uint256 sharesSupplied);
/// @notice Withdraws `assets` or `shares` on behalf of `onBehalf` and sends the assets to `receiver`.
/// @dev Either `assets` or `shares` should be zero. To withdraw max, pass the `shares`'s balance of `onBehalf`.
/// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
/// @dev Withdrawing an amount corresponding to more shares than supplied will revert for underflow.
/// @dev It is advised to use the `shares` input when withdrawing the full position to avoid reverts due to
/// conversion roundings between shares and assets.
/// @param marketParams The market to withdraw assets from.
/// @param assets The amount of assets to withdraw.
/// @param shares The amount of shares to burn.
/// @param onBehalf The address of the owner of the supply position.
/// @param receiver The address that will receive the withdrawn assets.
/// @return assetsWithdrawn The amount of assets withdrawn.
/// @return sharesWithdrawn The amount of shares burned.
function withdraw(
MarketParams memory marketParams,
uint256 assets,
uint256 shares,
address onBehalf,
address receiver
) external returns (uint256 assetsWithdrawn, uint256 sharesWithdrawn);
/// @notice Borrows `assets` or `shares` on behalf of `onBehalf` and sends the assets to `receiver`.
/// @dev Either `assets` or `shares` should be zero. Most use cases should rely on `assets` as an input so the
/// caller is guaranteed to borrow `assets` of tokens, but the possibility to mint a specific amount of shares is
/// given for full compatibility and precision.
/// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
/// @dev Borrowing a large amount can revert for overflow.
/// @dev Borrowing an amount of shares may lead to borrow fewer assets than expected due to slippage.
/// Consider using the `assets` parameter to avoid this.
/// @param marketParams The market to borrow assets from.
/// @param assets The amount of assets to borrow.
/// @param shares The amount of shares to mint.
/// @param onBehalf The address that will own the increased borrow position.
/// @param receiver The address that will receive the borrowed assets.
/// @return assetsBorrowed The amount of assets borrowed.
/// @return sharesBorrowed The amount of shares minted.
function borrow(
MarketParams memory marketParams,
uint256 assets,
uint256 shares,
address onBehalf,
address receiver
) external returns (uint256 assetsBorrowed, uint256 sharesBorrowed);
/// @notice Repays `assets` or `shares` on behalf of `onBehalf`, optionally calling back the caller's
/// `onMorphoReplay` function with the given `data`.
/// @dev Either `assets` or `shares` should be zero. To repay max, pass the `shares`'s balance of `onBehalf`.
/// @dev Repaying an amount corresponding to more shares than borrowed will revert for underflow.
/// @dev It is advised to use the `shares` input when repaying the full position to avoid reverts due to conversion
/// roundings between shares and assets.
/// @dev An attacker can front-run a repay with a small repay making the transaction revert for underflow.
/// @param marketParams The market to repay assets to.
/// @param assets The amount of assets to repay.
/// @param shares The amount of shares to burn.
/// @param onBehalf The address of the owner of the debt position.
/// @param data Arbitrary data to pass to the `onMorphoRepay` callback. Pass empty data if not needed.
/// @return assetsRepaid The amount of assets repaid.
/// @return sharesRepaid The amount of shares burned.
function repay(
MarketParams memory marketParams,
uint256 assets,
uint256 shares,
address onBehalf,
bytes memory data
) external returns (uint256 assetsRepaid, uint256 sharesRepaid);
/// @notice Supplies `assets` of collateral on behalf of `onBehalf`, optionally calling back the caller's
/// `onMorphoSupplyCollateral` function with the given `data`.
/// @dev Interest are not accrued since it's not required and it saves gas.
/// @dev Supplying a large amount can revert for overflow.
/// @param marketParams The market to supply collateral to.
/// @param assets The amount of collateral to supply.
/// @param onBehalf The address that will own the increased collateral position.
/// @param data Arbitrary data to pass to the `onMorphoSupplyCollateral` callback. Pass empty data if not needed.
function supplyCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, bytes memory data)
external;
/// @notice Withdraws `assets` of collateral on behalf of `onBehalf` and sends the assets to `receiver`.
/// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
/// @dev Withdrawing an amount corresponding to more collateral than supplied will revert for underflow.
/// @param marketParams The market to withdraw collateral from.
/// @param assets The amount of collateral to withdraw.
/// @param onBehalf The address of the owner of the collateral position.
/// @param receiver The address that will receive the collateral assets.
function withdrawCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, address receiver)
external;
/// @notice Liquidates the given `repaidShares` of debt asset or seize the given `seizedAssets` of collateral on the
/// given market `marketParams` of the given `borrower`'s position, optionally calling back the caller's
/// `onMorphoLiquidate` function with the given `data`.
/// @dev Either `seizedAssets` or `repaidShares` should be zero.
/// @dev Seizing more than the collateral balance will underflow and revert without any error message.
/// @dev Repaying more than the borrow balance will underflow and revert without any error message.
/// @dev An attacker can front-run a liquidation with a small repay making the transaction revert for underflow.
/// @param marketParams The market of the position.
/// @param borrower The owner of the position.
/// @param seizedAssets The amount of collateral to seize.
/// @param repaidShares The amount of shares to repay.
/// @param data Arbitrary data to pass to the `onMorphoLiquidate` callback. Pass empty data if not needed.
/// @return The amount of assets seized.
/// @return The amount of assets repaid.
function liquidate(
MarketParams memory marketParams,
address borrower,
uint256 seizedAssets,
uint256 repaidShares,
bytes memory data
) external returns (uint256, uint256);
/// @notice Executes a flash loan.
/// @dev Flash loans have access to the whole balance of the contract (the liquidity and deposited collateral of all
/// markets combined, plus donations).
/// @dev Warning: Not ERC-3156 compliant but compatibility is easily reached:
/// - `flashFee` is zero.
/// - `maxFlashLoan` is the token's balance of this contract.
/// - The receiver of `assets` is the caller.
/// @param token The token to flash loan.
/// @param assets The amount of assets to flash loan.
/// @param data Arbitrary data to pass to the `onMorphoFlashLoan` callback.
function flashLoan(address token, uint256 assets, bytes calldata data) external;
/// @notice Sets the authorization for `authorized` to manage `msg.sender`'s positions.
/// @param authorized The authorized address.
/// @param newIsAuthorized The new authorization status.
function setAuthorization(address authorized, bool newIsAuthorized) external;
/// @notice Sets the authorization for `authorization.authorized` to manage `authorization.authorizer`'s positions.
/// @dev Warning: Reverts if the signature has already been submitted.
/// @dev The signature is malleable, but it has no impact on the security here.
/// @dev The nonce is passed as argument to be able to revert with a different error message.
/// @param authorization The `Authorization` struct.
/// @param signature The signature.
function setAuthorizationWithSig(Authorization calldata authorization, Signature calldata signature) external;
/// @notice Accrues interest for the given market `marketParams`.
function accrueInterest(MarketParams memory marketParams) external;
/// @notice Returns the data stored on the different `slots`.
function extSloads(bytes32[] memory slots) external view returns (bytes32[] memory);
}
/// @dev This interface is inherited by Morpho so that function signatures are checked by the compiler.
/// @dev Consider using the IMorpho interface instead of this one.
interface IMorphoStaticTyping is IMorphoBase {
/// @notice The state of the position of `user` on the market corresponding to `id`.
/// @dev Warning: For `feeRecipient`, `supplyShares` does not contain the accrued shares since the last interest
/// accrual.
function position(Id id, address user)
external
view
returns (uint256 supplyShares, uint128 borrowShares, uint128 collateral);
/// @notice The state of the market corresponding to `id`.
/// @dev Warning: `totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalSupplyShares` does not contain the accrued shares by `feeRecipient` since the last interest
/// accrual.
function market(Id id)
external
view
returns (
uint128 totalSupplyAssets,
uint128 totalSupplyShares,
uint128 totalBorrowAssets,
uint128 totalBorrowShares,
uint128 lastUpdate,
uint128 fee
);
/// @notice The market params corresponding to `id`.
/// @dev This mapping is not used in Morpho. It is there to enable reducing the cost associated to calldata on layer
/// 2s by creating a wrapper contract with functions that take `id` as input instead of `marketParams`.
function idToMarketParams(Id id)
external
view
returns (address loanToken, address collateralToken, address oracle, address irm, uint256 lltv);
}
/// @title IMorpho
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @dev Use this interface for Morpho to have access to all the functions with the appropriate function signatures.
interface IMorpho is IMorphoBase {
/// @notice The state of the position of `user` on the market corresponding to `id`.
/// @dev Warning: For `feeRecipient`, `p.supplyShares` does not contain the accrued shares since the last interest
/// accrual.
function position(Id id, address user) external view returns (Position memory p);
/// @notice The state of the market corresponding to `id`.
/// @dev Warning: `m.totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `m.totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `m.totalSupplyShares` does not contain the accrued shares by `feeRecipient` since the last
/// interest accrual.
function market(Id id) external view returns (Market memory m);
/// @notice The market params corresponding to `id`.
/// @dev This mapping is not used in Morpho. It is there to enable reducing the cost associated to calldata on layer
/// 2s by creating a wrapper contract with functions that take `id` as input instead of `marketParams`.
function idToMarketParams(Id id) external view returns (MarketParams memory);
}// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity ^0.8.0; /// @custom:security-contact [email protected] /// @notice Library exposing error messages. library ErrorsLib { /* STANDARD ADAPTERS */ /// @dev Thrown when a multicall is attempted while a bundle is already initiated. error AlreadyInitiated(); /// @dev Thrown when a call is attempted from an unauthorized sender. error UnauthorizedSender(); /// @dev Thrown when a reenter is attempted but the concatenation of the sender and bundle does not hash to the /// pre-recorded `reenterHash`. error IncorrectReenterHash(); /// @dev Thrown when a multicall is attempted with an empty bundle. error EmptyBundle(); /// @dev Thrown when a reenter was expected but did not happen. error MissingExpectedReenter(); /// @dev Thrown when a call is attempted with a zero address as input. error ZeroAddress(); /// @dev Thrown when a call is attempted with the adapter address as input. error AdapterAddress(); /// @dev Thrown when a call is attempted with a zero amount as input. error ZeroAmount(); /// @dev Thrown when a call is attempted with a zero shares as input. error ZeroShares(); /// @dev Thrown when the given owner is unexpected. error UnexpectedOwner(); /// @dev Thrown when an action ends up minting/burning more shares than a given slippage. error SlippageExceeded(); /// @dev Thrown when a call to depositFor fails. error DepositFailed(); /// @dev Thrown when a call to withdrawTo fails. error WithdrawFailed(); /* MIGRATION ADAPTERS */ /// @dev Thrown when repaying a CompoundV2 debt returns an error code. error RepayError(); /// @dev Thrown when redeeming CompoundV2 cTokens returns an error code. error RedeemError(); /// @dev Thrown when trying to repay ETH on CompoundV2 with the wrong function. error CTokenIsCETH(); /* PARASWAP ADAPTER */ /// @dev Thrown when the contract used to trade is not deemed valid by Paraswap's Augustus registry. error InvalidAugustus(); /// @dev Thrown when a data offset is invalid. error InvalidOffset(); /// @dev Thrown when a swap has spent too many source tokens. error SellAmountTooHigh(); /// @dev Thrown when a swap has not bought enough destination tokens. error BuyAmountTooLow(); }
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 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 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)
pragma solidity ^0.8.20;
import {Errors} from "./Errors.sol";
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert Errors.InsufficientBalance(address(this).balance, amount);
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert Errors.FailedCall();
}
}
/**
* @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 or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {Errors.FailedCall} error.
*
* 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.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @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`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert Errors.InsufficientBalance(address(this).balance, value);
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
* of an unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {Errors.FailedCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
*/
function _revert(bytes memory returndata) private pure {
// 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
assembly ("memory-safe") {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert Errors.FailedCall();
}
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.8.0;
/// @notice Struct containing all the data needed to make a call.
/// @notice The call target is `to`, the calldata is `data` with value `value`.
/// @notice If `skipRevert` is true, other planned calls will continue executing even if this call reverts. `skipRevert`
/// will ignore all reverts. Use with caution.
/// @notice If the call will trigger a reenter, the callbackHash should be set to the hash of the reenter bundle data.
struct Call {
address to;
bytes data;
uint256 value;
bool skipRevert;
bytes32 callbackHash;
}
/// @custom:security-contact [email protected]
interface IBundler3 {
function multicall(Call[] calldata) external payable;
function reenter(Call[] calldata) external;
function reenterHash() external view returns (bytes32);
function initiator() external view returns (address);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {SafeERC20, IERC20} from "../../lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";
/// @custom:security-contact [email protected]
/// @notice Utils library.
library UtilsLib {
/// @dev Bubbles up the revert reason / custom error encoded in `returnData`.
/// @dev Assumes `returnData` is the return data of any kind of failing CALL to a contract.
function lowLevelRevert(bytes memory returnData) internal pure {
assembly ("memory-safe") {
revert(add(32, returnData), mload(returnData))
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Helper library for emitting standardized panic codes.
*
* ```solidity
* contract Example {
* using Panic for uint256;
*
* // Use any of the declared internal constants
* function foo() { Panic.GENERIC.panic(); }
*
* // Alternatively
* function foo() { Panic.panic(Panic.GENERIC); }
* }
* ```
*
* Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
*
* _Available since v5.1._
*/
// slither-disable-next-line unused-state
library Panic {
/// @dev generic / unspecified error
uint256 internal constant GENERIC = 0x00;
/// @dev used by the assert() builtin
uint256 internal constant ASSERT = 0x01;
/// @dev arithmetic underflow or overflow
uint256 internal constant UNDER_OVERFLOW = 0x11;
/// @dev division or modulo by zero
uint256 internal constant DIVISION_BY_ZERO = 0x12;
/// @dev enum conversion error
uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
/// @dev invalid encoding in storage
uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
/// @dev empty array pop
uint256 internal constant EMPTY_ARRAY_POP = 0x31;
/// @dev array out of bounds access
uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
/// @dev resource error (too large allocation or too large array)
uint256 internal constant RESOURCE_ERROR = 0x41;
/// @dev calling invalid internal function
uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;
/// @dev Reverts with a panic code. Recommended to use with
/// the internal constants with predefined codes.
function panic(uint256 code) internal pure {
assembly ("memory-safe") {
mstore(0x00, 0x4e487b71)
mstore(0x20, code)
revert(0x1c, 0x24)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
* @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeCast {
/**
* @dev Value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
/**
* @dev An int value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedIntToUint(int256 value);
/**
* @dev Value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
/**
* @dev An uint value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedUintToInt(uint256 value);
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toUint248(uint256 value) internal pure returns (uint248) {
if (value > type(uint248).max) {
revert SafeCastOverflowedUintDowncast(248, value);
}
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toUint240(uint256 value) internal pure returns (uint240) {
if (value > type(uint240).max) {
revert SafeCastOverflowedUintDowncast(240, value);
}
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toUint232(uint256 value) internal pure returns (uint232) {
if (value > type(uint232).max) {
revert SafeCastOverflowedUintDowncast(232, value);
}
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toUint224(uint256 value) internal pure returns (uint224) {
if (value > type(uint224).max) {
revert SafeCastOverflowedUintDowncast(224, value);
}
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toUint216(uint256 value) internal pure returns (uint216) {
if (value > type(uint216).max) {
revert SafeCastOverflowedUintDowncast(216, value);
}
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toUint208(uint256 value) internal pure returns (uint208) {
if (value > type(uint208).max) {
revert SafeCastOverflowedUintDowncast(208, value);
}
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toUint200(uint256 value) internal pure returns (uint200) {
if (value > type(uint200).max) {
revert SafeCastOverflowedUintDowncast(200, value);
}
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toUint192(uint256 value) internal pure returns (uint192) {
if (value > type(uint192).max) {
revert SafeCastOverflowedUintDowncast(192, value);
}
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toUint184(uint256 value) internal pure returns (uint184) {
if (value > type(uint184).max) {
revert SafeCastOverflowedUintDowncast(184, value);
}
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toUint176(uint256 value) internal pure returns (uint176) {
if (value > type(uint176).max) {
revert SafeCastOverflowedUintDowncast(176, value);
}
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toUint168(uint256 value) internal pure returns (uint168) {
if (value > type(uint168).max) {
revert SafeCastOverflowedUintDowncast(168, value);
}
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) {
revert SafeCastOverflowedUintDowncast(160, value);
}
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toUint152(uint256 value) internal pure returns (uint152) {
if (value > type(uint152).max) {
revert SafeCastOverflowedUintDowncast(152, value);
}
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toUint144(uint256 value) internal pure returns (uint144) {
if (value > type(uint144).max) {
revert SafeCastOverflowedUintDowncast(144, value);
}
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toUint136(uint256 value) internal pure returns (uint136) {
if (value > type(uint136).max) {
revert SafeCastOverflowedUintDowncast(136, value);
}
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toUint128(uint256 value) internal pure returns (uint128) {
if (value > type(uint128).max) {
revert SafeCastOverflowedUintDowncast(128, value);
}
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toUint120(uint256 value) internal pure returns (uint120) {
if (value > type(uint120).max) {
revert SafeCastOverflowedUintDowncast(120, value);
}
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toUint112(uint256 value) internal pure returns (uint112) {
if (value > type(uint112).max) {
revert SafeCastOverflowedUintDowncast(112, value);
}
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toUint104(uint256 value) internal pure returns (uint104) {
if (value > type(uint104).max) {
revert SafeCastOverflowedUintDowncast(104, value);
}
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toUint96(uint256 value) internal pure returns (uint96) {
if (value > type(uint96).max) {
revert SafeCastOverflowedUintDowncast(96, value);
}
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toUint88(uint256 value) internal pure returns (uint88) {
if (value > type(uint88).max) {
revert SafeCastOverflowedUintDowncast(88, value);
}
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toUint80(uint256 value) internal pure returns (uint80) {
if (value > type(uint80).max) {
revert SafeCastOverflowedUintDowncast(80, value);
}
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toUint72(uint256 value) internal pure returns (uint72) {
if (value > type(uint72).max) {
revert SafeCastOverflowedUintDowncast(72, value);
}
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toUint64(uint256 value) internal pure returns (uint64) {
if (value > type(uint64).max) {
revert SafeCastOverflowedUintDowncast(64, value);
}
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toUint56(uint256 value) internal pure returns (uint56) {
if (value > type(uint56).max) {
revert SafeCastOverflowedUintDowncast(56, value);
}
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toUint48(uint256 value) internal pure returns (uint48) {
if (value > type(uint48).max) {
revert SafeCastOverflowedUintDowncast(48, value);
}
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toUint40(uint256 value) internal pure returns (uint40) {
if (value > type(uint40).max) {
revert SafeCastOverflowedUintDowncast(40, value);
}
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toUint32(uint256 value) internal pure returns (uint32) {
if (value > type(uint32).max) {
revert SafeCastOverflowedUintDowncast(32, value);
}
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toUint24(uint256 value) internal pure returns (uint24) {
if (value > type(uint24).max) {
revert SafeCastOverflowedUintDowncast(24, value);
}
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toUint16(uint256 value) internal pure returns (uint16) {
if (value > type(uint16).max) {
revert SafeCastOverflowedUintDowncast(16, value);
}
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toUint8(uint256 value) internal pure returns (uint8) {
if (value > type(uint8).max) {
revert SafeCastOverflowedUintDowncast(8, value);
}
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*/
function toUint256(int256 value) internal pure returns (uint256) {
if (value < 0) {
revert SafeCastOverflowedIntToUint(value);
}
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(248, value);
}
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(240, value);
}
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(232, value);
}
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(224, value);
}
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(216, value);
}
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(208, value);
}
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(200, value);
}
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(192, value);
}
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(184, value);
}
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(176, value);
}
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(168, value);
}
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(160, value);
}
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(152, value);
}
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(144, value);
}
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(136, value);
}
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(128, value);
}
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(120, value);
}
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(112, value);
}
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(104, value);
}
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(96, value);
}
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(88, value);
}
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(80, value);
}
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(72, value);
}
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(64, value);
}
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(56, value);
}
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(48, value);
}
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(40, value);
}
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(32, value);
}
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(24, value);
}
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(16, value);
}
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(8, value);
}
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
if (value > uint256(type(int256).max)) {
revert SafeCastOverflowedUintToInt(value);
}
return int256(value);
}
/**
* @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
*/
function toUint(bool b) internal pure returns (uint256 u) {
assembly ("memory-safe") {
u := iszero(iszero(b))
}
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import {MarketParams, Market} from "./IMorpho.sol";
/// @title IIrm
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Interface that Interest Rate Models (IRMs) used by Morpho must implement.
interface IIrm {
/// @notice Returns the borrow rate per second (scaled by WAD) of the market `marketParams`.
/// @dev Assumes that `market` corresponds to `marketParams`.
function borrowRate(MarketParams memory marketParams, Market memory market) external returns (uint256);
/// @notice Returns the borrow rate per second (scaled by WAD) of the market `marketParams` without modifying any
/// storage.
/// @dev Assumes that `market` corresponds to `marketParams`.
function borrowRateView(MarketParams memory marketParams, Market memory market) external view returns (uint256);
}// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity ^0.8.0; uint256 constant WAD = 1e18; /// @title MathLib /// @author Morpho Labs /// @custom:contact [email protected] /// @notice Library to manage fixed-point arithmetic. library MathLib { /// @dev Returns (`x` * `y`) / `WAD` rounded down. function wMulDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, y, WAD); } /// @dev Returns (`x` * `WAD`) / `y` rounded down. function wDivDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, WAD, y); } /// @dev Returns (`x` * `WAD`) / `y` rounded up. function wDivUp(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivUp(x, WAD, y); } /// @dev Returns (`x` * `y`) / `d` rounded down. function mulDivDown(uint256 x, uint256 y, uint256 d) internal pure returns (uint256) { return (x * y) / d; } /// @dev Returns (`x` * `y`) / `d` rounded up. function mulDivUp(uint256 x, uint256 y, uint256 d) internal pure returns (uint256) { return (x * y + (d - 1)) / d; } /// @dev Returns the sum of the first three non-zero terms of a Taylor expansion of e^(nx) - 1, to approximate a /// continuous compound interest rate. function wTaylorCompounded(uint256 x, uint256 n) internal pure returns (uint256) { uint256 firstTerm = x * n; uint256 secondTerm = mulDivDown(firstTerm, firstTerm, 2 * WAD); uint256 thirdTerm = mulDivDown(secondTerm, firstTerm, 3 * WAD); return firstTerm + secondTerm + thirdTerm; } }
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {ErrorsLib} from "../libraries/ErrorsLib.sol";
/// @title UtilsLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Library exposing helpers.
/// @dev Inspired by https://github.com/morpho-org/morpho-utils.
library UtilsLib {
/// @dev Returns true if there is exactly one zero among `x` and `y`.
function exactlyOneZero(uint256 x, uint256 y) internal pure returns (bool z) {
assembly {
z := xor(iszero(x), iszero(y))
}
}
/// @dev Returns the min of `x` and `y`.
function min(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := xor(x, mul(xor(x, y), lt(y, x)))
}
}
/// @dev Returns `x` safely cast to uint128.
function toUint128(uint256 x) internal pure returns (uint128) {
require(x <= type(uint128).max, ErrorsLib.MAX_UINT128_EXCEEDED);
return uint128(x);
}
/// @dev Returns max(0, x - y).
function zeroFloorSub(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := mul(gt(x, y), sub(x, y))
}
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {IMorpho, Id} from "../../interfaces/IMorpho.sol";
import {MorphoStorageLib} from "./MorphoStorageLib.sol";
/// @title MorphoLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Helper library to access Morpho storage variables.
/// @dev Warning: Supply and borrow getters may return outdated values that do not include accrued interest.
library MorphoLib {
function supplyShares(IMorpho morpho, Id id, address user) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.positionSupplySharesSlot(id, user));
return uint256(morpho.extSloads(slot)[0]);
}
function borrowShares(IMorpho morpho, Id id, address user) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.positionBorrowSharesAndCollateralSlot(id, user));
return uint128(uint256(morpho.extSloads(slot)[0]));
}
function collateral(IMorpho morpho, Id id, address user) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.positionBorrowSharesAndCollateralSlot(id, user));
return uint256(morpho.extSloads(slot)[0] >> 128);
}
function totalSupplyAssets(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketTotalSupplyAssetsAndSharesSlot(id));
return uint128(uint256(morpho.extSloads(slot)[0]));
}
function totalSupplyShares(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketTotalSupplyAssetsAndSharesSlot(id));
return uint256(morpho.extSloads(slot)[0] >> 128);
}
function totalBorrowAssets(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketTotalBorrowAssetsAndSharesSlot(id));
return uint128(uint256(morpho.extSloads(slot)[0]));
}
function totalBorrowShares(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketTotalBorrowAssetsAndSharesSlot(id));
return uint256(morpho.extSloads(slot)[0] >> 128);
}
function lastUpdate(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketLastUpdateAndFeeSlot(id));
return uint128(uint256(morpho.extSloads(slot)[0]));
}
function fee(IMorpho morpho, Id id) internal view returns (uint256) {
bytes32[] memory slot = _array(MorphoStorageLib.marketLastUpdateAndFeeSlot(id));
return uint256(morpho.extSloads(slot)[0] >> 128);
}
function _array(bytes32 x) private pure returns (bytes32[] memory) {
bytes32[] memory res = new bytes32[](1);
res[0] = x;
return res;
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {MathLib} from "./MathLib.sol";
/// @title SharesMathLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Shares management library.
/// @dev This implementation mitigates share price manipulations, using OpenZeppelin's method of virtual shares:
/// https://docs.openzeppelin.com/contracts/4.x/erc4626#inflation-attack.
library SharesMathLib {
using MathLib for uint256;
/// @dev The number of virtual shares has been chosen low enough to prevent overflows, and high enough to ensure
/// high precision computations.
/// @dev Virtual shares can never be redeemed for the assets they are entitled to, but it is assumed the share price
/// stays low enough not to inflate these assets to a significant value.
/// @dev Warning: The assets to which virtual borrow shares are entitled behave like unrealizable bad debt.
uint256 internal constant VIRTUAL_SHARES = 1e6;
/// @dev A number of virtual assets of 1 enforces a conversion rate between shares and assets when a market is
/// empty.
uint256 internal constant VIRTUAL_ASSETS = 1;
/// @dev Calculates the value of `assets` quoted in shares, rounding down.
function toSharesDown(uint256 assets, uint256 totalAssets, uint256 totalShares) internal pure returns (uint256) {
return assets.mulDivDown(totalShares + VIRTUAL_SHARES, totalAssets + VIRTUAL_ASSETS);
}
/// @dev Calculates the value of `shares` quoted in assets, rounding down.
function toAssetsDown(uint256 shares, uint256 totalAssets, uint256 totalShares) internal pure returns (uint256) {
return shares.mulDivDown(totalAssets + VIRTUAL_ASSETS, totalShares + VIRTUAL_SHARES);
}
/// @dev Calculates the value of `assets` quoted in shares, rounding up.
function toSharesUp(uint256 assets, uint256 totalAssets, uint256 totalShares) internal pure returns (uint256) {
return assets.mulDivUp(totalShares + VIRTUAL_SHARES, totalAssets + VIRTUAL_ASSETS);
}
/// @dev Calculates the value of `shares` quoted in assets, rounding up.
function toAssetsUp(uint256 shares, uint256 totalAssets, uint256 totalShares) internal pure returns (uint256) {
return shares.mulDivUp(totalAssets + VIRTUAL_ASSETS, totalShares + VIRTUAL_SHARES);
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {Id, MarketParams} from "../interfaces/IMorpho.sol";
/// @title MarketParamsLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Library to convert a market to its id.
library MarketParamsLib {
/// @notice The length of the data used to compute the id of a market.
/// @dev The length is 5 * 32 because `MarketParams` has 5 variables of 32 bytes each.
uint256 internal constant MARKET_PARAMS_BYTES_LENGTH = 5 * 32;
/// @notice Returns the id of the market `marketParams`.
function id(MarketParams memory marketParams) internal pure returns (Id marketParamsId) {
assembly ("memory-safe") {
marketParamsId := keccak256(marketParams, MARKET_PARAMS_BYTES_LENGTH)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
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 value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` 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 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Collection of common custom errors used in multiple contracts
*
* IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
* It is recommended to avoid relying on the error API for critical functionality.
*
* _Available since v5.1._
*/
library Errors {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedCall();
/**
* @dev The deployment failed.
*/
error FailedDeployment();
/**
* @dev A necessary precompile is missing.
*/
error MissingPrecompile(address);
}// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity ^0.8.0; /// @title ErrorsLib /// @author Morpho Labs /// @custom:contact [email protected] /// @notice Library exposing error messages. library ErrorsLib { /// @notice Thrown when the caller is not the owner. string internal constant NOT_OWNER = "not owner"; /// @notice Thrown when the LLTV to enable exceeds the maximum LLTV. string internal constant MAX_LLTV_EXCEEDED = "max LLTV exceeded"; /// @notice Thrown when the fee to set exceeds the maximum fee. string internal constant MAX_FEE_EXCEEDED = "max fee exceeded"; /// @notice Thrown when the value is already set. string internal constant ALREADY_SET = "already set"; /// @notice Thrown when the IRM is not enabled at market creation. string internal constant IRM_NOT_ENABLED = "IRM not enabled"; /// @notice Thrown when the LLTV is not enabled at market creation. string internal constant LLTV_NOT_ENABLED = "LLTV not enabled"; /// @notice Thrown when the market is already created. string internal constant MARKET_ALREADY_CREATED = "market already created"; /// @notice Thrown when a token to transfer doesn't have code. string internal constant NO_CODE = "no code"; /// @notice Thrown when the market is not created. string internal constant MARKET_NOT_CREATED = "market not created"; /// @notice Thrown when not exactly one of the input amount is zero. string internal constant INCONSISTENT_INPUT = "inconsistent input"; /// @notice Thrown when zero assets is passed as input. string internal constant ZERO_ASSETS = "zero assets"; /// @notice Thrown when a zero address is passed as input. string internal constant ZERO_ADDRESS = "zero address"; /// @notice Thrown when the caller is not authorized to conduct an action. string internal constant UNAUTHORIZED = "unauthorized"; /// @notice Thrown when the collateral is insufficient to `borrow` or `withdrawCollateral`. string internal constant INSUFFICIENT_COLLATERAL = "insufficient collateral"; /// @notice Thrown when the liquidity is insufficient to `withdraw` or `borrow`. string internal constant INSUFFICIENT_LIQUIDITY = "insufficient liquidity"; /// @notice Thrown when the position to liquidate is healthy. string internal constant HEALTHY_POSITION = "position is healthy"; /// @notice Thrown when the authorization signature is invalid. string internal constant INVALID_SIGNATURE = "invalid signature"; /// @notice Thrown when the authorization signature is expired. string internal constant SIGNATURE_EXPIRED = "signature expired"; /// @notice Thrown when the nonce is invalid. string internal constant INVALID_NONCE = "invalid nonce"; /// @notice Thrown when a token transfer reverted. string internal constant TRANSFER_REVERTED = "transfer reverted"; /// @notice Thrown when a token transfer returned false. string internal constant TRANSFER_RETURNED_FALSE = "transfer returned false"; /// @notice Thrown when a token transferFrom reverted. string internal constant TRANSFER_FROM_REVERTED = "transferFrom reverted"; /// @notice Thrown when a token transferFrom returned false string internal constant TRANSFER_FROM_RETURNED_FALSE = "transferFrom returned false"; /// @notice Thrown when the maximum uint128 is exceeded. string internal constant MAX_UINT128_EXCEEDED = "max uint128 exceeded"; }
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;
import {Id} from "../../interfaces/IMorpho.sol";
/// @title MorphoStorageLib
/// @author Morpho Labs
/// @custom:contact [email protected]
/// @notice Helper library exposing getters to access Morpho storage variables' slot.
/// @dev This library is not used in Morpho itself and is intended to be used by integrators.
library MorphoStorageLib {
/* SLOTS */
uint256 internal constant OWNER_SLOT = 0;
uint256 internal constant FEE_RECIPIENT_SLOT = 1;
uint256 internal constant POSITION_SLOT = 2;
uint256 internal constant MARKET_SLOT = 3;
uint256 internal constant IS_IRM_ENABLED_SLOT = 4;
uint256 internal constant IS_LLTV_ENABLED_SLOT = 5;
uint256 internal constant IS_AUTHORIZED_SLOT = 6;
uint256 internal constant NONCE_SLOT = 7;
uint256 internal constant ID_TO_MARKET_PARAMS_SLOT = 8;
/* SLOT OFFSETS */
uint256 internal constant LOAN_TOKEN_OFFSET = 0;
uint256 internal constant COLLATERAL_TOKEN_OFFSET = 1;
uint256 internal constant ORACLE_OFFSET = 2;
uint256 internal constant IRM_OFFSET = 3;
uint256 internal constant LLTV_OFFSET = 4;
uint256 internal constant SUPPLY_SHARES_OFFSET = 0;
uint256 internal constant BORROW_SHARES_AND_COLLATERAL_OFFSET = 1;
uint256 internal constant TOTAL_SUPPLY_ASSETS_AND_SHARES_OFFSET = 0;
uint256 internal constant TOTAL_BORROW_ASSETS_AND_SHARES_OFFSET = 1;
uint256 internal constant LAST_UPDATE_AND_FEE_OFFSET = 2;
/* GETTERS */
function ownerSlot() internal pure returns (bytes32) {
return bytes32(OWNER_SLOT);
}
function feeRecipientSlot() internal pure returns (bytes32) {
return bytes32(FEE_RECIPIENT_SLOT);
}
function positionSupplySharesSlot(Id id, address user) internal pure returns (bytes32) {
return bytes32(
uint256(keccak256(abi.encode(user, keccak256(abi.encode(id, POSITION_SLOT))))) + SUPPLY_SHARES_OFFSET
);
}
function positionBorrowSharesAndCollateralSlot(Id id, address user) internal pure returns (bytes32) {
return bytes32(
uint256(keccak256(abi.encode(user, keccak256(abi.encode(id, POSITION_SLOT)))))
+ BORROW_SHARES_AND_COLLATERAL_OFFSET
);
}
function marketTotalSupplyAssetsAndSharesSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, MARKET_SLOT))) + TOTAL_SUPPLY_ASSETS_AND_SHARES_OFFSET);
}
function marketTotalBorrowAssetsAndSharesSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, MARKET_SLOT))) + TOTAL_BORROW_ASSETS_AND_SHARES_OFFSET);
}
function marketLastUpdateAndFeeSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, MARKET_SLOT))) + LAST_UPDATE_AND_FEE_OFFSET);
}
function isIrmEnabledSlot(address irm) internal pure returns (bytes32) {
return keccak256(abi.encode(irm, IS_IRM_ENABLED_SLOT));
}
function isLltvEnabledSlot(uint256 lltv) internal pure returns (bytes32) {
return keccak256(abi.encode(lltv, IS_LLTV_ENABLED_SLOT));
}
function isAuthorizedSlot(address authorizer, address authorizee) internal pure returns (bytes32) {
return keccak256(abi.encode(authorizee, keccak256(abi.encode(authorizer, IS_AUTHORIZED_SLOT))));
}
function nonceSlot(address authorizer) internal pure returns (bytes32) {
return keccak256(abi.encode(authorizer, NONCE_SLOT));
}
function idToLoanTokenSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, ID_TO_MARKET_PARAMS_SLOT))) + LOAN_TOKEN_OFFSET);
}
function idToCollateralTokenSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, ID_TO_MARKET_PARAMS_SLOT))) + COLLATERAL_TOKEN_OFFSET);
}
function idToOracleSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, ID_TO_MARKET_PARAMS_SLOT))) + ORACLE_OFFSET);
}
function idToIrmSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, ID_TO_MARKET_PARAMS_SLOT))) + IRM_OFFSET);
}
function idToLltvSlot(Id id) internal pure returns (bytes32) {
return bytes32(uint256(keccak256(abi.encode(id, ID_TO_MARKET_PARAMS_SLOT))) + LLTV_OFFSET);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}{
"remappings": [
"solmate/=lib/bundler3/lib/permit2/lib/solmate/",
"@openzeppelin/contracts/=lib/metamorpho-1.1/lib/openzeppelin-contracts/contracts/",
"bundler3/=lib/bundler3/",
"ds-test/=lib/metamorpho-1.1/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/metamorpho-1.1/lib/erc4626-tests/",
"forge-gas-snapshot/=lib/bundler3/lib/permit2/lib/forge-gas-snapshot/src/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/morpho-blue/lib/halmos-cheatcodes/src/",
"metamorpho-1.1/=lib/metamorpho-1.1/",
"metamorpho/=lib/public-allocator/lib/metamorpho/",
"morpho-blue-irm/=lib/morpho-blue-irm/src/",
"morpho-blue-oracles/=lib/morpho-blue-oracles/src/",
"morpho-blue/=lib/morpho-blue/",
"murky/=lib/universal-rewards-distributor/lib/murky/src/",
"openzeppelin-contracts/=lib/metamorpho-1.1/lib/openzeppelin-contracts/",
"openzeppelin/=lib/universal-rewards-distributor/lib/openzeppelin-contracts/contracts/",
"permit2/=lib/bundler3/lib/permit2/",
"pre-liquidation/=lib/pre-liquidation/src/",
"public-allocator/=lib/public-allocator/src/",
"safe-smart-account/=lib/safe-smart-account/",
"universal-rewards-distributor/=lib/universal-rewards-distributor/"
],
"optimizer": {
"enabled": true,
"runs": 999999
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "cancun",
"viaIR": true,
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"bundler3","type":"address"},{"internalType":"address","name":"morpho","type":"address"},{"internalType":"address","name":"augustusRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AdapterAddress","type":"error"},{"inputs":[],"name":"BuyAmountTooLow","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidAugustus","type":"error"},{"inputs":[],"name":"InvalidOffset","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"SellAmountTooHigh","type":"error"},{"inputs":[],"name":"UnauthorizedSender","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"inputs":[],"name":"ZeroAmount","type":"error"},{"inputs":[],"name":"AUGUSTUS_REGISTRY","outputs":[{"internalType":"contract IAugustusRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BUNDLER3","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MORPHO","outputs":[{"internalType":"contract IMorpho","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"augustus","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"address","name":"srcToken","type":"address"},{"internalType":"address","name":"destToken","type":"address"},{"internalType":"uint256","name":"newDestAmount","type":"uint256"},{"components":[{"internalType":"uint256","name":"exactAmount","type":"uint256"},{"internalType":"uint256","name":"limitAmount","type":"uint256"},{"internalType":"uint256","name":"quotedAmount","type":"uint256"}],"internalType":"struct Offsets","name":"offsets","type":"tuple"},{"internalType":"address","name":"receiver","type":"address"}],"name":"buy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"augustus","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"address","name":"srcToken","type":"address"},{"components":[{"internalType":"address","name":"loanToken","type":"address"},{"internalType":"address","name":"collateralToken","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"address","name":"irm","type":"address"},{"internalType":"uint256","name":"lltv","type":"uint256"}],"internalType":"struct MarketParams","name":"marketParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"exactAmount","type":"uint256"},{"internalType":"uint256","name":"limitAmount","type":"uint256"},{"internalType":"uint256","name":"quotedAmount","type":"uint256"}],"internalType":"struct Offsets","name":"offsets","type":"tuple"},{"internalType":"address","name":"onBehalf","type":"address"},{"internalType":"address","name":"receiver","type":"address"}],"name":"buyMorphoDebt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"erc20Transfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"nativeTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"augustus","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"address","name":"srcToken","type":"address"},{"internalType":"address","name":"destToken","type":"address"},{"internalType":"bool","name":"sellEntireBalance","type":"bool"},{"components":[{"internalType":"uint256","name":"exactAmount","type":"uint256"},{"internalType":"uint256","name":"limitAmount","type":"uint256"},{"internalType":"uint256","name":"quotedAmount","type":"uint256"}],"internalType":"struct Offsets","name":"offsets","type":"tuple"},{"internalType":"address","name":"receiver","type":"address"}],"name":"sell","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000007dd85759182495af7f6757da75036d24a9b58bc30000000000000000000000008f5ae9cddb9f68de460c77730b018ae7e04a140a000000000000000000000000b5253c895361678ff5d0ffdda81dd02f1f7a81d6
-----Decoded View---------------
Arg [0] : bundler3 (address): 0x7DD85759182495AF7F6757DA75036d24A9B58bc3
Arg [1] : morpho (address): 0x8f5ae9CddB9f68de460C77730b018Ae7E04a140A
Arg [2] : augustusRegistry (address): 0xB5253c895361678FF5D0fFDdA81Dd02f1F7a81D6
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000007dd85759182495af7f6757da75036d24a9b58bc3
Arg [1] : 0000000000000000000000008f5ae9cddb9f68de460c77730b018ae7e04a140a
Arg [2] : 000000000000000000000000b5253c895361678ff5d0ffdda81dd02f1f7a81d6
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 35 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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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.