Update ledger_index to use most recently validated ledger.

content/_code-samples/markers-and-pagination/js/pagination-with-markers.js

@@ -6,29 +6,30 @@ async function main() {
   const client = new xrpl.Client("wss://xrplcluster.com/")
   await client.connect()
 
-  // Specify a ledger to query for info.
+  // Query the most recently validated ledger for info.
   let ledger = await client.request({
     "command": "ledger_data",
-    "ledger_index": 500000,
+    "ledger_index": "validated",
   })
+  const ledger_data_index = ledger["result"]["ledger_index"]
 
   // Create a function to run on each API call.
-  function code(){
+  function printLedgerResult(){
     console.log(ledger["result"])
   }
  
   // Execute function at least once before checking for markers.
   do {
-    code()
+    printLedgerResult()
     
-    if (ledger["result"]["marker"] == null) {
+    if (ledger["result"]["marker"] === undefined) {
         break
     }
 
     // Specify the same ledger and add the marker to continue querying.
     const ledger_marker = await client.request({
         "command": "ledger_data",
-        "ledger_index": 500000,
+        "ledger_index": ledger_data_index,
         "marker": ledger["result"]["marker"]
     })
     ledger = ledger_marker

content/_code-samples/markers-and-pagination/py/pagination-with-markers.py

@@ -4,20 +4,21 @@ from xrpl.models.requests import LedgerData
 # Create a client to connect to the network.
 client = JsonRpcClient("https://xrplcluster.com/")
 
-# Specify a ledger to query for info.
-ledger = LedgerData(ledger_index=500000)
+# Query the most recently validated ledger for info.
+ledger = LedgerData(ledger_index="validated")
 ledger_data = client.request(ledger).result
+ledger_data_index = ledger_data["ledger_index"]
 
 # Create a function to run on each API call.
-def code():
+def printLedgerResult():
     print(ledger_data)
 
 # Execute function at least once before checking for markers.
 while True:
-    code()
+    printLedgerResult()
     if "marker" not in ledger_data:
         break
     
     # Specify the same ledger and add the marker to continue querying.
-    ledger_marker = LedgerData(ledger_index=500000, marker=ledger_data["marker"])
+    ledger_marker = LedgerData(ledger_index=ledger_data_index, marker=ledger_data["marker"])
     ledger_data = client.request(ledger_marker).result