public Address TransAddressCheck(Address a) {
BigInteger one = new BigInteger(1);
BigInteger s_Bin = one << 80;
BigInteger addr = a.ToBigInteger();
BigInteger addr_j = addr % s_Bin;
BigInteger addr_i = (addr - addr_j) / s_Bin;
BigInteger q = addr_j * s_Bin + addr_i;
byte [] target = Address.ConvertToAddressBuffer(q);
Address.SetClass(target, a.Class);
Address q_addr = new AHAddress(target);
return q_addr;
}