feat(eosIO): added EosIO class to handle arbitrary eos data

EosIO class wraps all eos tables (like helm) so that they can be used in a more standard fashion

src/eos/private/eosIO.cpp

@@ -0,0 +1,36 @@
+#include <string>
+
+#include "eosIO.h"
+#include "helm.h"
+#include "debug.h"
+
+EosIO::EosIO(const std::string filename) : m_filename(filename) {
+    load();
+}
+
+std::string EosIO::getFormat() const {
+    return m_format;
+}
+
+
+EOSTable& EosIO::getTable() {
+    return m_table;
+}
+
+void EosIO::load() {
+    // Load the EOS table from the file
+    // For now, just set the format to HELM
+
+    m_format = "helm";
+    if (m_format == "helm") {
+        loadHelm();
+    }
+}
+
+void EosIO::loadHelm() {
+    // Load the HELM table from the file
+    auto helmTabptr = helmholtz::read_helm_table(m_filename);
+    m_table = std::move(helmTabptr);
+    m_loaded = true;
+}
+