// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

/*
 * @title Common
 * @author Michael Fletcher
 * @notice Common functions and structs
 */
library Common {
  // @notice The asset struct to hold the address of an asset and amount
  struct Asset {
    address assetAddress;
    uint256 amount;
  }

  // @notice Struct to hold the address and its associated weight
  struct AddressAndWeight {
    address addr;
    uint64 weight;
  }

  /**
   * @notice Checks if an array of AddressAndWeight has duplicate addresses
   * @param recipients The array of AddressAndWeight to check
   * @return bool True if there are duplicates, false otherwise
   */
  function _hasDuplicateAddresses(Common.AddressAndWeight[] memory recipients) internal pure returns (bool) {
    for (uint256 i = 0; i < recipients.length; ) {
      for (uint256 j = i + 1; j < recipients.length; ) {
        if (recipients[i].addr == recipients[j].addr) {
          return true;
        }
        unchecked {
          ++j;
        }
      }
      unchecked {
        ++i;
      }
    }
    return false;
  }
}