Create Simple_BlockExplorer.ts

Simple_BlockExplorer.ts

@@ -0,0 +1,44 @@
+// blockchain-explorer.ts
+
+// https://github.com/SerCry/Artela_Block_Explorer_ExampleV1/tree/main
+
+
+import { storage, env } from "near-sdk-as";
+
+// Define a simple struct for storing block information
+@nearBindgen
+class Block {
+    constructor(public hash: string, public timestamp: u64) {}
+}
+
+// Store blocks in a map
+const blocks = new Map<u64, Block>();
+
+// Add a new block
+export function addBlock(hash: string, timestamp: u64): void {
+    const height = storage.getPrimitive<u64>("blockHeight", u64.Zero);
+    blocks.set(height, new Block(hash, timestamp));
+    storage.set("blockHeight", height + u64.One);
+}
+
+// Get block information by block height
+export function getBlockByHeight(height: u64): Block | null {
+    if (height >= storage.getPrimitive<u64>("blockHeight", u64.Zero)) {
+        return null;
+    }
+    return blocks.get(height);
+}
+
+// Get the latest block
+export function getLatestBlock(): Block | null {
+    const height = storage.getPrimitive<u64>("blockHeight", u64.Zero);
+    if (height === u64.Zero) {
+        return null;
+    }
+    return blocks.get(height - u64.One);
+}
+
+// Export a function to get the total number of blocks
+export function getTotalBlockCount(): u64 {
+    return storage.getPrimitive("blockHeight", u64.Zero);
+}