From 5d14589a72511c8fffa92f080399734c7b2c0ef4 Mon Sep 17 00:00:00 2001 From: imuge Date: Fri, 29 Jan 2021 13:57:13 +0800 Subject: [PATCH] update samples --- samples/README.md | 20 +++++----- .../samples/contract/SampleContractImpl.java | 10 ++++- .../java/com/jdchain/samples/sdk/TestNet.java | 2 +- .../contract-samples-1.4.0.RELEASE.car | Bin 3532 -> 0 bytes .../contract-samples-1.4.2.RELEASE.car | Bin 0 -> 3537 bytes .../jdchain/samples/sdk/ContractSample.java | 28 +++++++++++++- .../samples/sdk/DataAccountSample.java | 2 +- .../com/jdchain/samples/sdk/EventSample.java | 2 +- .../com/jdchain/samples/sdk/QuerySample.java | 35 ++++++++++-------- 9 files changed, 67 insertions(+), 32 deletions(-) delete mode 100644 samples/sdk-samples/src/main/resources/contract-samples-1.4.0.RELEASE.car create mode 100644 samples/sdk-samples/src/main/resources/contract-samples-1.4.2.RELEASE.car diff --git a/samples/README.md b/samples/README.md index 3684e7e4..f4c57797 100644 --- a/samples/README.md +++ b/samples/README.md @@ -2,7 +2,7 @@ 本项目为`JD Chain SDK`的使用样例，开发者可以参考此项目快速上手`JD Chain SDK`，主要包括[交易发送查询](#交易发送查询)，[合约开发部署](#合约开发部署)两部分。 -本项目提供了基于内存的`JD Chain`四节点+网关的网络环境启动程序[TestNet](/sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java)，运行`TestNet`的`main`方法启动测试网络，等待日志输出：`START TESTNET SUCCESS`，网络启动成功会写入一些测试数据，可直接运行本项目提供的所有测试用例。 +本项目提供了基于内存的`JD Chain`四节点+网关的网络环境启动程序[TestNet](sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java)，运行`TestNet`的`main`方法启动测试网络，等待日志输出：`START TESTNET SUCCESS`，网络启动成功会写入一些测试数据，可直接运行本项目提供的所有测试用例。 > `TestNet`测试网络默认会占用`8910`/`8920`/`8930`/`8940`/`8911`/`8921`/`8931`/`8941`用于共识服务，`12000`/`12010`/`12020`/`12030`用于四节点`API`服务端口，`11000`用于网关`API`服务端口，启动前请检查相关端口可用。 @@ -10,31 +10,31 @@ ### 交易发送查询 -相关代码放在[sdk-sample](/sdk-samples/src)下。 +相关代码放在[sdk-sample](sdk-samples/src)下。 -> 若并非使用`TestNet`启动的测试网络，开发者在运行本样例前，请根据实际环境修改[config.properties](/sdk-samples/src/main/resources/config.properties)中的网关配置，用户配置等信息。 +> 若并非使用`TestNet`启动的测试网络，开发者在运行本样例前，请根据实际环境修改[config.properties](sdk-samples/src/main/resources/config.properties)中的网关配置，用户配置等信息。 #### 交易发送 -参照[UserSample](/sdk-samples/src/test/java/com/jdchain/samples/sdk/UserSample.java)实现注册用户，配置用户角色权限功能； +参照[UserSample](sdk-samples/src/test/java/com/jdchain/samples/sdk/UserSample.java)实现注册用户，配置用户角色权限功能； -参照[DataAccountSample](/sdk-samples/src/test/java/com/jdchain/samples/sdk/DataAccountSample.java)实现注册数据账户，存储`KV`数据功能； +参照[DataAccountSample](sdk-samples/src/test/java/com/jdchain/samples/sdk/DataAccountSample.java)实现注册数据账户，存储`KV`数据功能； -参照[EventSample](/sdk-samples/src/test/java/com/jdchain/samples/sdk/EventSample.java)实现注册事件账户，发布事件，事件监听功能； +参照[EventSample](sdk-samples/src/test/java/com/jdchain/samples/sdk/EventSample.java)实现注册事件账户，发布事件，事件监听功能； -参照[ContractSample](/sdk-samples/src/test/java/com/jdchain/samples/sdk/ContractSample.java)实现合约调用，非插件方式合约部署功能。 +参照[ContractSample](sdk-samples/src/test/java/com/jdchain/samples/sdk/ContractSample.java)实现合约调用，非插件方式合约部署功能。 #### 数据查询 -参照[QuerySample](/sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java)实现对于区块链上数据查询功能。 +参照[QuerySample](sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java)实现对于区块链上数据查询功能。 ### 合约开发部署 -[contract-samples](/contract-samples/src)提供了通过合约注册用户，注册数据账户，注册事件账户，设置`KV`，发布事件的简单合约样例。 +[contract-samples](contract-samples/src)提供了通过合约注册用户，注册数据账户，注册事件账户，设置`KV`，发布事件的简单合约样例。 -> 若并非使用`TestNet`启动的测试网络，开发者在运行本样例前，请根据实际环境修改[pom.xml](/contract-samples/pom.xml)中的网关配置，用户配置等信息。 +> 若并非使用`TestNet`启动的测试网络，开发者在运行本样例前，请根据实际环境修改[pom.xml](contract-samples/pom.xml)中的网关配置，用户配置等信息。 修改相关代码，确认配置正确，`contract-samples`项目目录下命令行执行： diff --git a/samples/contract-samples/src/main/java/com/jdchain/samples/contract/SampleContractImpl.java b/samples/contract-samples/src/main/java/com/jdchain/samples/contract/SampleContractImpl.java index 5777640c..2eb46fdf 100644 --- a/samples/contract-samples/src/main/java/com/jdchain/samples/contract/SampleContractImpl.java +++ b/samples/contract-samples/src/main/java/com/jdchain/samples/contract/SampleContractImpl.java @@ -27,7 +27,10 @@ public class SampleContractImpl implements EventProcessingAware, SampleContract @Override public void setKV(String address, String key, String value) { // 查询最新版本，初始为-1 - TypedKVEntry[] entries = eventContext.getLedger().getDataEntries(eventContext.getCurrentLedgerHash(), address, key); + // 查询已提交区块数据，不包括此操作所在未提交区块的所有数据 + // TypedKVEntry[] entries = eventContext.getLedger().getDataEntries(eventContext.getCurrentLedgerHash(), address, key); + // 可查询包括此操作所在未提交区块的所有数据 + TypedKVEntry[] entries = eventContext.getUncommittedLedger().getDataEntries(address, key); long version = -1; if (null != entries && entries.length > 0) { version = entries[0].getVersion(); @@ -76,7 +79,10 @@ public class SampleContractImpl implements EventProcessingAware, SampleContract @Override public void publishEvent(String address, String topic, String content) { // 查询最新序号，初始为-1 - Event event = eventContext.getLedger().getLatestEvent(eventContext.getCurrentLedgerHash(), address, topic); + // 查询已提交区块数据，不包括此操作所在未提交区块的所有数据 + // Event event = eventContext.getLedger().getRuntimeLedger().getLatestEvent(address, topic); + // 可查询包括此操作所在未提交区块的所有数据 + Event event = eventContext.getUncommittedLedger().getLatestEvent(address, topic); long sequence = -1; if (null != event) { sequence = event.getSequence(); diff --git a/samples/sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java b/samples/sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java index 40dc0343..086bc83f 100644 --- a/samples/sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java +++ b/samples/sdk-samples/src/main/java/com/jdchain/samples/sdk/TestNet.java @@ -284,7 +284,7 @@ public class TestNet { txTemp.eventAccounts().register(user.getIdentity()); txTemp.eventAccount(user.getAddress()).publish("sample-event", 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