Check block age

mondata-dev · Jan 30, 2024 · e5a8714 · e5a8714
1 parent 33cd5fd
commit e5a8714
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Showing 3 changed files with 19 additions and 2 deletions.
diff --git a/backend/src/blockchain.ts b/backend/src/blockchain.ts
@@ -178,3 +178,14 @@ export async function getTransaction(transactionHash: string) {
     await client.transaction.getByHash(transactionHash);
   return tx.data;
 }
+
+/**
+ * Get the current block height
+ * @returns block height
+ */
+export async function getBlockHeight() {
+  const client = getClient();
+  const blockHeight: CallResult<number> =
+    await client.blockchain.getBlockNumber();
+  return blockHeight.data;
+}
diff --git a/backend/src/index.ts b/backend/src/index.ts
@@ -10,6 +10,7 @@ import {
 import {
   STAKING_CONTRACT_ADDRESS,
   convertAddressForRPC,
+  getBlockHeight,
   getPaymentStatus,
   getTotalRewards,
   getTransaction,
@@ -158,6 +159,13 @@ async function checkTransaction(
     );
     return false;
   } else {
+    const blockHeight = await getBlockHeight();
+    if (blockHeight - transaction.blockNumber > 180) {
+      console.log(
+        `Transaction ${transactionHash} too old. Supposed to be for ${validatorWalletAddress}`,
+      );
+      return false;
+    }
     if (
       convertAddressForRPC(transaction.from) !==
       convertAddressForRPC(validatorWalletAddress)

diff --git a/backend/src/nodecontroller.ts b/backend/src/nodecontroller.ts
@@ -121,9 +121,7 @@ export async function removeValidator(address: string) {
   for (const spec of specs) {
     try {
       // delete if exists
-
       await client.read(spec);
-
       const response = await client.delete(spec);
       console.log(response);
     } catch (e) {