  function deposit(
    uint    id,
    address vault,
    uint    amount
  )
    external
      isValidDNft(id)
  {
    idToBlockOfLastDeposit[id] = block.number;
    Vault _vault = Vault(vault);
    _vault.asset().safeTransferFrom(msg.sender, address(vault), amount);
    _vault.deposit(id, amount);
  }
  function deposit(
    uint id,
    uint amount
  )
    external
      onlyVaultManager
  {
    id2asset[id] += amount;
    emit Deposit(id, amount);
  }
