Documentation Index
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The ConstantsLib library defines important constant values used across the Morpho Vault V2 system.
Constants
WAD
uint256 constant WAD = 1e18;
1000000000000000000 (10^18)
DOMAIN_TYPEHASH
bytes32 constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(uint256 chainId,address verifyingContract)");
keccak256("EIP712Domain(uint256 chainId,address verifyingContract)")
PERMIT_TYPEHASH
bytes32 constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)")
MAX_MAX_RATE
uint256 constant MAX_MAX_RATE = 200e16 / uint256(365 days);
200e16 / 365 days (approximately 6.34195839675291 × 10^13 per second)
uint256 constant MAX_PERFORMANCE_FEE = 0.5e18;
0.5e18 (500000000000000000)
MAX_MANAGEMENT_FEE
uint256 constant MAX_MANAGEMENT_FEE = 0.05e18 / uint256(365 days);
0.05e18 / 365 days (approximately 1.585489599188229 × 10^12 per second)
MAX_FORCE_DEALLOCATE_PENALTY
uint256 constant MAX_FORCE_DEALLOCATE_PENALTY = 0.02e18;
0.02e18 (20000000000000000)
Source code
// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2025 Morpho Association
pragma solidity ^0.8.0;
uint256 constant WAD = 1e18;
bytes32 constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(uint256 chainId,address verifyingContract)");
bytes32 constant PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
uint256 constant MAX_MAX_RATE = 200e16 / uint256(365 days); // 200% APR
uint256 constant MAX_PERFORMANCE_FEE = 0.5e18; // 50%
uint256 constant MAX_MANAGEMENT_FEE = 0.05e18 / uint256(365 days); // 5%
uint256 constant MAX_FORCE_DEALLOCATE_PENALTY = 0.02e18; // 2%