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blockchain/utils/sdk/client/java/docs/BlockApi.md
Snider 88d4357628
New API Interface (#27) 
This pull request introduces a comprehensive new API interface for the blockchain, leveraging OpenAPI v3 to facilitate direct consumption of chain data by GUI and web applications. This change significantly refines the project's build infrastructure, incorporating Conan for dependency management and CMake for configuration, alongside the integration of an OpenAPI Generator to produce SDKs for multiple languages. 

### Highlights

* **New API Interface**: Introduced a new API interface using OpenAPI v3 to enable GUI/WEB development to consume chain data without needing custom server applications.
* **Build System Enhancements**: Significant updates to the build system, including Makefile, CMake, and Conan configurations, to streamline the build process and support new functionalities.
* **Multi-language SDK Generation**: Integrated OpenAPI Generator to automatically create SDKs for various programming languages, including Go, Angular, and PHP, simplifying client-side integration.
2025-10-19 19:12:37 +01:00

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BlockApi

All URIs are relative to http://127.0.0.1:36943

Method HTTP request Description
createBlockTemplate POST /block/template Create a block template for mining
getBlock GET /block/{identifier} Get a block by its hash or height (ID)
getBlocks GET /block Get one or more blocks, with optional pagination.
getHeight GET /block/height Get the current blockchain height
submitBlock POST /block/submit Submit a new block to the network

createBlockTemplate

BlockTemplateModel createBlockTemplate(blockTemplateRequestModel)

Create a block template for mining

Example

// Import classes:
import invalidPackageName.ApiClient;
import invalidPackageName.ApiException;
import invalidPackageName.Configuration;
import invalidPackageName.models.*;
import lthn.BlockApi;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("http://127.0.0.1:36943");

    BlockApi apiInstance = new BlockApi(defaultClient);
    BlockTemplateRequestModel blockTemplateRequestModel = new BlockTemplateRequestModel(); // BlockTemplateRequestModel | 
    try {
      BlockTemplateModel result = apiInstance.createBlockTemplate(blockTemplateRequestModel);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling BlockApi#createBlockTemplate");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Parameters

Name Type Description Notes
blockTemplateRequestModel BlockTemplateRequestModel

Return type

BlockTemplateModel

Authorization

No authorization required

HTTP request headers

  • Content-Type: application/json
  • Accept: application/json

HTTP response details

Status code Description Response headers
500 text/plain -
400 text/plain -
200 OK -

getBlock

BlockDetailsModel getBlock(identifier)

Get a block by its hash or height (ID)

Example

// Import classes:
import invalidPackageName.ApiClient;
import invalidPackageName.ApiException;
import invalidPackageName.Configuration;
import invalidPackageName.models.*;
import lthn.BlockApi;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("http://127.0.0.1:36943");

    BlockApi apiInstance = new BlockApi(defaultClient);
    String identifier = "identifier_example"; // String | The hash (hex string) or height (integer) of the block to retrieve.
    try {
      BlockDetailsModel result = apiInstance.getBlock(identifier);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling BlockApi#getBlock");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Parameters

Name Type Description Notes
identifier String The hash (hex string) or height (integer) of the block to retrieve.

Return type

BlockDetailsModel

Authorization

No authorization required

HTTP request headers

  • Content-Type: Not defined
  • Accept: application/json

HTTP response details

Status code Description Response headers
404 text/plain -
400 text/plain -
200 OK -

getBlocks

List<BlockDetailsModel> getBlocks()

Get one or more blocks, with optional pagination.

Example

// Import classes:
import invalidPackageName.ApiClient;
import invalidPackageName.ApiException;
import invalidPackageName.Configuration;
import invalidPackageName.models.*;
import lthn.BlockApi;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("http://127.0.0.1:36943");

    BlockApi apiInstance = new BlockApi(defaultClient);
    try {
      List<BlockDetailsModel> result = apiInstance.getBlocks();
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling BlockApi#getBlocks");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Parameters

This endpoint does not need any parameter.

Return type

List<BlockDetailsModel>

Authorization

No authorization required

HTTP request headers

  • Content-Type: Not defined
  • Accept: application/json

HTTP response details

Status code Description Response headers
404 text/plain -
400 text/plain -
200 A list of block objects. -

getHeight

HeightModel getHeight()

Get the current blockchain height

Example

// Import classes:
import invalidPackageName.ApiClient;
import invalidPackageName.ApiException;
import invalidPackageName.Configuration;
import invalidPackageName.models.*;
import lthn.BlockApi;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("http://127.0.0.1:36943");

    BlockApi apiInstance = new BlockApi(defaultClient);
    try {
      HeightModel result = apiInstance.getHeight();
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling BlockApi#getHeight");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Parameters

This endpoint does not need any parameter.

Return type

HeightModel

Authorization

No authorization required

HTTP request headers

  • Content-Type: Not defined
  • Accept: application/json

HTTP response details

Status code Description Response headers
200 OK -

submitBlock

SubmitBlockResponseModel submitBlock(submitBlockRequestModel)

Submit a new block to the network

Example

// Import classes:
import invalidPackageName.ApiClient;
import invalidPackageName.ApiException;
import invalidPackageName.Configuration;
import invalidPackageName.models.*;
import lthn.BlockApi;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("http://127.0.0.1:36943");

    BlockApi apiInstance = new BlockApi(defaultClient);
    SubmitBlockRequestModel submitBlockRequestModel = new SubmitBlockRequestModel(); // SubmitBlockRequestModel | 
    try {
      SubmitBlockResponseModel result = apiInstance.submitBlock(submitBlockRequestModel);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling BlockApi#submitBlock");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Parameters

Name Type Description Notes
submitBlockRequestModel SubmitBlockRequestModel

Return type

SubmitBlockResponseModel

Authorization

No authorization required

HTTP request headers

  • Content-Type: application/json
  • Accept: application/json

HTTP response details

Status code Description Response headers
406 text/plain -
400 text/plain -
200 OK -