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Introducing support for the GetBlockHeader api call in the single-connection mode

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This commit is contained in:
Nelson R. Perez 2018-06-12 13:34:42 -05:00
parent 4f6b628891
commit 85bf1d1ba1
4 changed files with 46 additions and 4 deletions
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8
graphenej/src/main/java/cy/agorise/graphenej/api/android/DeserializationMap.java
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@ -15,9 +15,11 @@ import cy.agorise.graphenej.Authority;
import cy.agorise.graphenej.Transaction;
import cy.agorise.graphenej.api.calls.GetAccounts;
import cy.agorise.graphenej.api.calls.GetBlock;
import cy.agorise.graphenej.api.calls.GetBlockHeader;
import cy.agorise.graphenej.api.calls.GetRelativeAccountHistory;
import cy.agorise.graphenej.api.calls.GetRequiredFees;
import cy.agorise.graphenej.models.Block;
import cy.agorise.graphenej.models.BlockHeader;
import cy.agorise.graphenej.models.OperationHistory;
import cy.agorise.graphenej.objects.Memo;
import cy.agorise.graphenej.operations.CustomOperation;
@ -38,6 +40,8 @@ public class DeserializationMap {
private HashMap<Class, Gson> mGsonMap = new HashMap<>();
public DeserializationMap(){
Gson genericGson = new Gson();
// GetBlock
mClassMap.put(GetBlock.class, Block.class);
Gson getBlockGson = new GsonBuilder()
@ -76,6 +80,10 @@ public class DeserializationMap {
.create();
mGsonMap.put(GetRelativeAccountHistory.class, getRelativeAcountHistoryGson);
// GetBlockHeader
mClassMap.put(GetBlockHeader.class, BlockHeader.class);
mGsonMap.put(GetBlockHeader.class, genericGson);
}
public Class getReceivedClass(Class _class){

7
graphenej/src/main/java/cy/agorise/graphenej/api/android/NetworkService.java
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@ -29,6 +29,7 @@ import cy.agorise.graphenej.api.calls.GetRequiredFees;
import cy.agorise.graphenej.models.AccountProperties;
import cy.agorise.graphenej.models.ApiCall;
import cy.agorise.graphenej.models.Block;
import cy.agorise.graphenej.models.BlockHeader;
import cy.agorise.graphenej.models.JsonRpcResponse;
import cy.agorise.graphenej.models.OperationHistory;
import io.reactivex.annotations.Nullable;
@ -274,9 +275,13 @@ public class NetworkService extends Service {
Class responsePayloadClass = mDeserializationMap.getReceivedClass(requestClass);
Gson gson = mDeserializationMap.getGson(requestClass);
if(responsePayloadClass == Block.class){
// If the response payload is a simple Block instance, we proceed to de-serialize it
// If the response payload is a Block instance, we proceed to de-serialize it
Type GetBlockResponse = new TypeToken<JsonRpcResponse<Block>>() {}.getType();
parsedResponse = gson.fromJson(text, GetBlockResponse);
}else if(responsePayloadClass == BlockHeader.class){
// If the response payload is a BlockHeader instance, we proceed to de-serialize it
Type GetBlockHeaderResponse = new TypeToken<JsonRpcResponse<BlockHeader>>(){}.getType();
parsedResponse = gson.fromJson(text, GetBlockHeaderResponse);
} else if(responsePayloadClass == List.class){
// If the response payload is a List, further inquiry is required in order to
// determine a list of what is expected here

30
graphenej/src/main/java/cy/agorise/graphenej/api/calls/GetBlockHeader.java Normal file
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@ -0,0 +1,30 @@
package cy.agorise.graphenej.api.calls;
import java.io.Serializable;
import java.util.ArrayList;
import cy.agorise.graphenej.RPC;
import cy.agorise.graphenej.api.ApiAccess;
import cy.agorise.graphenej.models.ApiCall;
/**
* Wrapper around the "get_block_header" API call. To be used in the single-connection mode.
*/
public class GetBlockHeader implements ApiCallable {
public static final int REQUIRED_API = ApiAccess.API_DATABASE;
private long blockNumber;
public GetBlockHeader(long number){
this.blockNumber = number;
}
@Override
public ApiCall toApiCall(int apiId, long sequenceId) {
ArrayList<Serializable> params = new ArrayList<>();
String blockNum = String.format("%d", this.blockNumber);
params.add(blockNum);
return new ApiCall(apiId, RPC.CALL_GET_BLOCK_HEADER, params, RPC.VERSION, sequenceId);
}
}

3
graphenej/src/main/java/cy/agorise/graphenej/models/BlockHeader.java
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@ -1,12 +1,11 @@
package cy.agorise.graphenej.models;
/**
* Created by nelson on 12/13/16.
* Class used to represent the response to the 'get_block_header' API call.
*/
public class BlockHeader {
public String previous;
public String timestamp;
public String witness;
public String transaction_merkle_root;
public Object[] extension;
}