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Initial PoC for RPC end points via the plugin mechanism.
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106 changes: 106 additions & 0 deletions
106
...s/src/test/java/tech/pegasys/pantheon/tests/acceptance/plugins/RpcEndpointPluginTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package tech.pegasys.pantheon.tests.acceptance.plugins; | ||
|
|
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| import tech.pegasys.pantheon.config.JsonUtil; | ||
| import tech.pegasys.pantheon.ethereum.jsonrpc.RpcApis; | ||
| import tech.pegasys.pantheon.tests.acceptance.dsl.AcceptanceTestBase; | ||
| import tech.pegasys.pantheon.tests.acceptance.dsl.node.PantheonNode; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.Collections; | ||
|
|
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| import com.fasterxml.jackson.databind.node.ObjectNode; | ||
| import okhttp3.MediaType; | ||
| import okhttp3.OkHttpClient; | ||
| import okhttp3.Request; | ||
| import okhttp3.RequestBody; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
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| public class RpcEndpointPluginTest extends AcceptanceTestBase { | ||
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| private PantheonNode node; | ||
| private OkHttpClient client; | ||
| protected static final MediaType JSON = MediaType.parse("application/json; charset=utf-8"); | ||
|
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| @Before | ||
| public void setUp() throws Exception { | ||
| node = | ||
| pantheon.createPluginsNode( | ||
| "node1", | ||
| Collections.singletonList("testPlugins"), | ||
| Collections.emptyList(), | ||
| RpcApis.NET); | ||
| cluster.start(node); | ||
| client = new OkHttpClient(); | ||
| } | ||
|
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| @Test | ||
| public void rpcWorking() throws IOException { | ||
| final String firstCall = "FirstCall"; | ||
| final String secondCall = "SecondCall"; | ||
| final String thirdCall = "ThirdCall"; | ||
| final String fourthCall = "FourthCall"; | ||
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| ObjectNode resultJson = callTestMethod("unitTests_replaceValue", firstCall); | ||
| assertThat(resultJson.get("result").asText()).isEqualTo("InitialValue"); | ||
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| resultJson = callTestMethod("unitTests_replaceValueArray", secondCall); | ||
| assertThat(resultJson.get("result").get(0).asText()).isEqualTo(firstCall); | ||
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| resultJson = callTestMethod("unitTests_replaceValueBean", thirdCall); | ||
| assertThat(resultJson.get("result").get("value").asText()).isEqualTo(secondCall); | ||
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| resultJson = callTestMethod("unitTests_replaceValueLength", fourthCall); | ||
| assertThat(resultJson.get("result").asInt()).isEqualTo(thirdCall.length()); | ||
| } | ||
|
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| @Test | ||
| public void throwsError() throws IOException { | ||
| ObjectNode resultJson = callTestMethod("unitTests_replaceValue", null); | ||
| assertThat(resultJson.get("result").asText()).isEqualTo("InitialValue"); | ||
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| resultJson = callTestMethod("unitTests_replaceValueLength", "InitialValue"); | ||
| assertThat(resultJson.get("error").get("message").asText()).isEqualTo("Internal error"); | ||
| } | ||
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| private ObjectNode callTestMethod(final String method, final String value) throws IOException { | ||
| final String resultString = | ||
| client | ||
| .newCall( | ||
| new Request.Builder() | ||
| .post( | ||
| RequestBody.create( | ||
| JSON, | ||
| "{\"jsonrpc\":\"2.0\",\"method\":\"" | ||
| + method | ||
| + "\",\"params\":[" | ||
| + (value == null ? value : "\"" + value + "\"") | ||
| + "],\"id\":33}")) | ||
| .url( | ||
| "http://" | ||
| + node.getHostName() | ||
| + ":" | ||
| + node.getJsonRpcSocketPort().get() | ||
| + "/") | ||
| .build()) | ||
| .execute() | ||
| .body() | ||
| .string(); | ||
| System.out.println(resultString); | ||
| return JsonUtil.objectNodeFromString(resultString); | ||
| } | ||
| } |
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54 changes: 54 additions & 0 deletions
54
...ain/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/PluginJsonRpcMethod.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods; | ||
|
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| import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest; | ||
| import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError; | ||
| import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcErrorResponse; | ||
| import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse; | ||
| import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessResponse; | ||
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| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
|
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| public class PluginJsonRpcMethod implements JsonRpcMethod { | ||
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| private final String name; | ||
| private final Function<List<String>, ?> function; | ||
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| public PluginJsonRpcMethod(final String name, final Function<List<String>, ?> function) { | ||
| this.name = name; | ||
| this.function = function; | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return name; | ||
| } | ||
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| @Override | ||
| public JsonRpcResponse response(final JsonRpcRequest request) { | ||
| try { | ||
| return new JsonRpcSuccessResponse( | ||
| request.getId(), | ||
| function.apply( | ||
| Arrays.stream(request.getParams()) | ||
| .map(o -> o == null ? null : o.toString()) | ||
| .collect(Collectors.toList()))); | ||
| } catch (final RuntimeException re) { | ||
| return new JsonRpcErrorResponse(request.getId(), JsonRpcError.INTERNAL_ERROR); | ||
| } | ||
| } | ||
| } |
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