Updated to use LargestFirst selection strategy and check added for Bl…

…ockfrost backend
bloxbean · Mar 30, 2022 · 5a35e3c · 5a35e3c
1 parent fa67229
commit 5a35e3c
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Showing 2 changed files with 21 additions and 10 deletions.
diff --git a/...-test/src/it/java/com/bloxbean/cardano/client/backend/api/helper/BatchTransactionsIT.java b/...-test/src/it/java/com/bloxbean/cardano/client/backend/api/helper/BatchTransactionsIT.java
@@ -5,6 +5,7 @@
 import com.bloxbean.cardano.client.api.UtxoSupplier;
 import com.bloxbean.cardano.client.api.exception.ApiException;
 import com.bloxbean.cardano.client.api.helper.FeeCalculationService;
+import com.bloxbean.cardano.client.api.helper.TransactionBuilder;
 import com.bloxbean.cardano.client.api.helper.TransactionHelperService;
 import com.bloxbean.cardano.client.api.helper.model.TransactionResult;
 import com.bloxbean.cardano.client.api.model.Result;
@@ -14,6 +15,7 @@
 import com.bloxbean.cardano.client.cip.cip25.NFT;
 import com.bloxbean.cardano.client.cip.cip25.NFTFile;
 import com.bloxbean.cardano.client.cip.cip25.NFTMetadata;
+import com.bloxbean.cardano.client.coinselection.impl.LargestFirstUtxoSelectionStrategy;
 import com.bloxbean.cardano.client.common.model.Networks;
 import com.bloxbean.cardano.client.function.*;
 import com.bloxbean.cardano.client.function.helper.ChangeOutputAdjustments;
@@ -67,16 +69,19 @@ public class BatchTransactionsIT extends BaseITTest {
     public void setup() {
         backendService = getBackendService();
         utxoService = backendService.getUtxoService();
-        transactionService = backendService.getTransactionService();
-        transactionHelperService = backendService.getTransactionHelperService();
-        blockService = backendService.getBlockService();
-        feeCalculationService = backendService.getFeeCalculationService();
         epochService = backendService.getEpochService();
+        blockService = backendService.getBlockService();
+        transactionService = backendService.getTransactionService();
 
         utxoSupplier = new DefaultUtxoSupplier(utxoService);
         protocolParamsSupplier = new DefaultProtocolParamsSupplier(epochService);
 
-        String senderMnemonic = "race fetch slot fragile front fresh siege insane rapid foster gasp often cigar female match feel legend jazz winner advice depart crumble system rough";
+        //Create TransactionHelperService with LargestFirst
+        TransactionBuilder transactionBuilder = new TransactionBuilder(new LargestFirstUtxoSelectionStrategy(utxoSupplier), protocolParamsSupplier);
+        transactionHelperService = new TransactionHelperService(transactionBuilder, new DefaultTransactionProcessor(transactionService));
+        feeCalculationService = backendService.getFeeCalculationService(transactionHelperService);
+
+        String senderMnemonic = "capable venture stove poet great turtle hurdle photo improve tongue light bean orchard negative clog forest page coil never report hammer grid waste cigar";
         sender = new Account(Networks.testnet(), senderMnemonic);
         senderAddress = sender.baseAddress();
 

diff --git a/...test/src/it/java/com/bloxbean/cardano/client/function/ContractTxBuilderContextITTest.java b/...test/src/it/java/com/bloxbean/cardano/client/function/ContractTxBuilderContextITTest.java
@@ -165,7 +165,6 @@ void customDatumCustomRedeemerGuessContract() throws CborSerializationException,
                 .andThen(collateralFrom(collateral, collateralIndex))
                 .andThen(scriptCallContext(plutusScript, scriptUtxo, guess, guess, RedeemerTag.Spend, exUnits))
                 .andThen((context, txn) -> { //Evaluate ExUnits
-                    txn.getBody().setFee(BigInteger.ZERO); //Setting it to 0, otherwise serialization will fail
                     //update estimate ExUnits
                     ExUnits estimatedExUnits;
                     try {
@@ -201,11 +200,18 @@ void customDatumCustomRedeemerGuessContract() throws CborSerializationException,
     }
 
     private ExUnits evaluateExUnits(Transaction transaction) throws ApiException, CborSerializationException {
-        Result<List<EvaluationResult>> evalResults = transactionService.evaluateTx(transaction.serialize());
-        if (evalResults.isSuccessful()) {
-            return evalResults.getValue().get(0).getExUnits();
+        if (backendType.equals(BLOCKFROST)) {
+            Result<List<EvaluationResult>> evalResults = transactionService.evaluateTx(transaction.serialize());
+            if (evalResults.isSuccessful()) {
+                return evalResults.getValue().get(0).getExUnits();
+            } else {
+                return null;
+            }
         } else {
-            return null;
+            //Hard coded value for other backend types where evaluateTx is not yet supported
+            return ExUnits.builder()
+                    .mem(BigInteger.valueOf(4676948))
+                    .steps(BigInteger.valueOf(630892334)).build();
         }
     }