fix: return null for genesis block in eth_getBlockReceipts

Author: 0xbigapple

framework/src/main/java/org/tron/core/services/jsonrpc/TronJsonRpcImpl.java

@@ -849,7 +849,9 @@ private TransactionContext findTransactionContext(TransactionInfoList infoList,
   public List<TransactionReceipt> getBlockReceipts(String blockNumOrTag)
       throws JsonRpcInvalidParamsException, JsonRpcInternalException {
     Block block = wallet.getByJsonBlockId(blockNumOrTag);
-    if (block == null) {
+
+    // block receipts not available: block is genesis, not produced yet, or pruned in light node
+    if (block == null || block.getBlockHeader().getRawData().getNumber() == 0) {
       return null;
     }
 

framework/src/test/java/org/tron/core/jsonrpc/JsonrpcServiceTest.java

@@ -164,23 +164,6 @@ public void init() {
     dbManager.getTransactionStore()
         .put(transactionCapsule3.getTransactionId().getBytes(), transactionCapsule3);
 
-    blockCapsule0.getTransactions().forEach(tx -> {
-      TransactionCapsule transactionCapsule = new TransactionCapsule(tx.getInstance());
-      transactionCapsule.setBlockNum(blockCapsule0.getNum());
-      dbManager.getTransactionStore()
-          .put(transactionCapsule.getTransactionId().getBytes(), transactionCapsule);
-    });
-
-    TransactionRetCapsule transactionRetCapsule0 = new TransactionRetCapsule();
-    blockCapsule0.getTransactions().forEach(tx -> {
-      TransactionInfoCapsule transactionInfoCapsule = new TransactionInfoCapsule();
-      transactionInfoCapsule.setId(tx.getTransactionId().getBytes());
-      transactionInfoCapsule.setBlockNumber(blockCapsule0.getNum());
-      transactionRetCapsule0.addTransactionInfo(transactionInfoCapsule.getInstance());
-    });
-    dbManager.getTransactionRetStore().put(
-        ByteArray.fromLong(blockCapsule0.getNum()), transactionRetCapsule0);
-
     List<Protocol.TransactionInfo.Log> logs = new ArrayList<>();
     logs.add(Protocol.TransactionInfo.Log.newBuilder()
         .setAddress(ByteString.copyFrom("address1".getBytes()))
@@ -340,6 +323,8 @@ public void testGetBlockByNumber() {
     }
     Assert.assertEquals(ByteArray.toJsonHex(0L), blockResult.getNumber());
     Assert.assertEquals(ByteArray.toJsonHex(blockCapsule0.getNum()), blockResult.getNumber());
+    Assert.assertEquals(blockResult.getTransactions().length,
+        blockCapsule0.getTransactions().size());
 
     // latest
     try {
@@ -1048,7 +1033,7 @@ public void testGetBlockReceipts() {
 
     try {
       List<TransactionReceipt> transactionReceiptList = tronJsonRpc.getBlockReceipts("earliest");
-      Assert.assertFalse(transactionReceiptList.isEmpty());
+      Assert.assertNull(transactionReceiptList);
     } catch (JsonRpcInvalidParamsException | JsonRpcInternalException e) {
       throw new RuntimeException(e);
     }