Add more SPL tokens

Makefile

@@ -39,8 +39,8 @@ APP_LOAD_PARAMS += $(COMMON_LOAD_PARAMS)
 
 APPNAME      = "Solana"
 APPVERSION_M = 1
-APPVERSION_N = 4
-APPVERSION_P = 2
+APPVERSION_N = 5
+APPVERSION_P = 0
 APPVERSION   = "$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)"
 
 ifeq ($(TARGET_NAME),TARGET_NANOS)

libsol/token_info.h

@@ -2,4 +2,11 @@
 
 #include "sol/parser.h"
 
+typedef struct TokenInfo {
+    Pubkey mint_address;
+    char symbol[10];
+} TokenInfo;
+
+extern TokenInfo const TOKEN_REGISTRY[];
+
 const char* get_token_symbol(const Pubkey* mint_address);

libsol/token_info_test.c

@@ -0,0 +1,39 @@
+#include "common_byte_strings.h"
+#include "util.h"
+#include "token_info.h"
+#include <assert.h>
+#include <stdio.h>
+
+void test_get_token_symbol_unknown() {
+    Pubkey pubkey = {{BYTES32_BS58_1}};
+    const char* symbol = get_token_symbol(&pubkey);
+
+    assert_string_equal(symbol, "???");
+}
+
+void test_get_token_symbol_USDC() {
+    Pubkey pubkey = {{0xc6, 0xfa, 0x7a, 0xf3, 0xbe, 0xdb, 0xad, 0x3a, 0x3d, 0x65, 0xf3,
+                      0x6a, 0xab, 0xc9, 0x74, 0x31, 0xb1, 0xbb, 0xe4, 0xc2, 0xd2, 0xf6,
+                      0xe0, 0xe4, 0x7c, 0xa6, 0x02, 0x03, 0x45, 0x2f, 0x5d, 0x61}};
+    const char* symbol = get_token_symbol(&pubkey);
+
+    assert_string_equal(symbol, "USDC");
+}
+
+void test_get_token_symbol_SOL() {
+    Pubkey pubkey = {{0x06, 0x9b, 0x88, 0x57, 0xfe, 0xab, 0x81, 0x84, 0xfb, 0x68, 0x7f,
+                      0x63, 0x46, 0x18, 0xc0, 0x35, 0xda, 0xc4, 0x39, 0xdc, 0x1a, 0xeb,
+                      0x3b, 0x55, 0x98, 0xa0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x01}};
+    const char* symbol = get_token_symbol(&pubkey);
+
+    assert_string_equal(symbol, "SOL");
+}
+
+int main() {
+    test_get_token_symbol_unknown();
+    test_get_token_symbol_SOL();
+    test_get_token_symbol_USDC();
+
+    printf("passed\n");
+    return 0;
+}