Commit 120ba0f

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Added support for rate limiting by Etherscan: throw RateLimitException

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+32

-0

lines changed

src/main/java/io/api/etherscan
- core/impl
  - BasicProvider.java
- error
  - RateLimitException.java

+32

-0

lines changed

Lines changed: 17 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,12 +1,16 @@`
`1`	`1`	`package io.api.etherscan.core.impl;`
`2`	`2`
`3`	`3`	`import com.google.gson.Gson;`
	`4`	`+import com.google.gson.JsonSyntaxException;`
`4`	`5`	`import io.api.etherscan.error.EtherScanException;`
`5`	`6`	`import io.api.etherscan.error.ParseException;`
	`7`	`+import io.api.etherscan.error.RateLimitException;`
`6`	`8`	`import io.api.etherscan.executor.IHttpExecutor;`
`7`	`9`	`import io.api.etherscan.manager.IQueueManager;`
`8`	`10`	`import io.api.etherscan.util.BasicUtils;`
`9`	`11`
	`12`	`+import java.util.Map;`
	`13`	`+`
`10`	`14`	`/**`
`11`	`15`	`* Base provider for API Implementations`
`12`	`16`	`*`
`@@ -42,6 +46,19 @@ <T> T convert(final String json, final Class<T> tClass) {`
`42`	`46`	`try {`
`43`	`47`	`return gson.fromJson(json, tClass);`
`44`	`48`	`} catch (Exception e) {`
	`49`	`+ if (e instanceof JsonSyntaxException) {`
	`50`	`+ Map<String, Object> map = gson.fromJson(json, Map.class);`
	`51`	`+ Object statusCode = map.get("status");`
	`52`	`+ if ((statusCode instanceof String) && (statusCode.equals("0"))) {`
	`53`	`+ Object message = map.get("message");`
	`54`	`+ if ((message instanceof String) && (message.equals("NOTOK"))) {`
	`55`	`+ Object result = map.get("result");`
	`56`	`+ if ((result instanceof String) && (result.equals("Max rate limit reached"))) {`
	`57`	`+ throw new RateLimitException ("Max rate limit reached");`
	`58`	`+ }`
	`59`	`+ }`
	`60`	`+ }`
	`61`	`+ }`
`45`	`62`	`throw new ParseException(e.getMessage(), e.getCause(), json);`
`46`	`63`	`}`
`47`	`64`	`}`

Lines changed: 15 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,15 @@`
	`1`	`+package io.api.etherscan.error;`
	`2`	`+`
	`3`	`+/**`
	`4`	`+ * ! NO DESCRIPTION !`
	`5`	`+ *`
	`6`	`+ * @author iSnow`
	`7`	`+ * @since 2020年10月06日`
	`8`	`+ */`
	`9`	`+public class RateLimitException extends ApiException {`
	`10`	`+`
	`11`	`+ public RateLimitException(String message) {`
	`12`	`+ super(message);`
	`13`	`+ }`
	`14`	`+`
	`15`	`+}`

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