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feat: Added costmodel hash to ProtocolParamUpdate #20

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merged 1 commit into from
Aug 25, 2023
Merged

feat: Added costmodel hash to ProtocolParamUpdate #20

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1 change: 1 addition & 0 deletions core/src/main/java/com/bloxbean/cardano/yaci/core/model/ProtocolParamUpdate.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ public class ProtocolParamUpdate {

//Alonzo changes
private Map<Integer, String> costModels; //18
private String costModelsHash; //derived field

//ex_unit_prices
private BigDecimal priceMem; //19
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6 changes: 6 additions & 0 deletions core/src/main/java/com/bloxbean/cardano/yaci/core/model/serializers/UpdateSerializer.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package com.bloxbean.cardano.yaci.core.model.serializers;

import co.nstant.in.cbor.model.*;
import com.bloxbean.cardano.client.crypto.Blake2bUtil;
import com.bloxbean.cardano.client.util.Tuple;
import com.bloxbean.cardano.yaci.core.model.ProtocolParamUpdate;
import com.bloxbean.cardano.yaci.core.model.Update;
Expand Down Expand Up @@ -122,6 +123,7 @@ public ProtocolParamUpdate getProtocolParams(Map genesisProtocolParamsMap) {

//CostModels
java.util.Map<Integer, String> costModelMap = null;
String costModelsHash = null;
itemDI = genesisProtocolParamsMap.get(new UnsignedInteger(18));
if (itemDI != null) {
costModelMap = new LinkedHashMap<>();
Expand All @@ -131,6 +133,9 @@ public ProtocolParamUpdate getProtocolParams(Map genesisProtocolParamsMap) {
String costModel = HexUtil.encodeHexString(CborSerializationUtil.serialize(itemDIMap.get(key)));
costModelMap.put(version, costModel);
}

var cbor = CborSerializationUtil.serialize(itemDI);
costModelsHash = HexUtil.encodeHexString(Blake2bUtil.blake2bHash256(cbor));
}

//exUnits prices
Expand Down Expand Up @@ -196,6 +201,7 @@ public ProtocolParamUpdate getProtocolParams(Map genesisProtocolParamsMap) {
.minPoolCost(minPoolCost)
.adaPerUtxoByte(adaPerUtxoBytes)
.costModels(costModelMap)
.costModelsHash(costModelsHash)
.priceMem(priceMem)
.priceStep(priceSteps)
.maxTxExMem(maxTxExMem)
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