getSolBalance

Queries the native SOL balance of a specified wallet address. The balance is returned in lamports, which is the smallest unit of SOL.

The conversion is: 1 SOL = 1,000,000,000 lamports.

Parameters

Parameter	Type	Description
walletPubkeyBase58	const String&	The Base58-encoded public key of the wallet to query.
outLamports	uint64_t&	An output parameter. This is a reference to a uint64_t variable that will be populated with the wallet's balance in lamports.

Return Value

• bool: Returns true if the balance was fetched successfully, false on failure.

Example Code (main.cpp)

#include <Arduino.h>
#include <WiFi.h>
#include "Infratic-lib.h"

// --- WiFi Settings ---
const char* WIFI_SSID = "YOUR_WIFI_SSID";
const char* WIFI_PASSWORD = "YOUR_WIFI_PASSWORD";

// --- Solana Settings ---
const String SOLANA_RPC_URL = "[https://api.devnet.solana.com](https://api.devnet.solana.com)";
// Enter the public key you want to check the balance of.
const String MY_PUBLIC_KEY_BASE58 = "YOUR_PUBLIC_KEY_BASE58"; 
Infratic solana(SOLANA_RPC_URL);

void setup() {
    Serial.begin(115200);
    delay(1000);

    // Connect to WiFi
    Serial.print("Connecting to WiFi...");
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    Serial.println("\n✅ WiFi connected!");

    Serial.println("\n=== Get SOL Balance Example ===");
    Serial.println("Querying balance for: " + MY_PUBLIC_KEY_BASE58);

    uint64_t lamports = 0;
    if (solana.getSolBalance(MY_PUBLIC_KEY_BASE58, lamports)) {
        Serial.print("✅ Balance successfully retrieved!\n");
        Serial.print("   -> Lamports: ");
        Serial.println((unsigned long)lamports);
        Serial.print("   -> SOL: ");
        Serial.println((double)lamports / 1000000000.0, 9); // 1 Billion lamports = 1 SOL
    } else {
        Serial.println("❌ Failed to get SOL balance. Check the public key and network connection.");
    }
}

void loop() {
    // This example runs once in setup.
}