GetLedgerApiVersion
账本API
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<a href="/zh/docs/canton/reference-grpc-ledger-api-reference-details">gRPC API</a>
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<a href="/zh/docs/canton/reference-grpc-ledger-api-reference-com-daml-ledger-api-v2">v2</a>
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<span>获取LedgerApiVersion</span>
</div>
<div class="x2mdx-ref-hero">
<p class="x2mdx-ref-eyebrow">com.daml.ledger.api.v2</p>
<h1 class="x2mdx-ref-title">获取LedgerApiVersion</h1>
<div class="x2mdx-ref-badges">
<span class="x2mdx-ref-badge x2mdx-ref-badge--protocol">gRPC</span>
<span class="x2mdx-ref-badge x2mdx-ref-badge--linked">自 3.4.4 起</span>
</div>
</div>
<div class="x2mdx-ref-operation-bar">
<span class="x2mdx-ref-operation-method x2mdx-ref-operation-method--rpc">RPC</span>
<code>/com.daml.ledger.api.v2.VersionService/GetLedgerApiVersion</code>
</div>
## 协议详细信息
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>协议</dt>
<dd>gRPC</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>服务</dt>
<dd>版本服务</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>RPC</dt>
<dd>获取LedgerApiVersion</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>客户端流</dt>
<dd>否</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>服务器流</dt>
<dd>否</dd>
</div>
</dl>
## 输入
<div class="x2mdx-ref-panel">
<div class="x2mdx-ref-panel-head">
<h3>获取LedgerApiVersionRequest</h3>
</div>
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>消息</dt>
<dd>com.daml.ledger.api.v2.GetLedgerApiVersionRequest</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>客户端流</dt>
<dd>否</dd>
</div>
</dl>
</div>
## 输出
<div class="x2mdx-ref-panel">
<div class="x2mdx-ref-panel-head">
<h3>获取LedgerApiVersionResponse</h3>
</div>
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>消息</dt>
<dd>com.daml.ledger.api.v2.GetLedgerApiVersionResponse</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>服务器流</dt>
<dd>否</dd>
</div>
</dl><div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">版本</code>
<span class="x2mdx-ref-type-badge">字符串</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">功能</code>
<span class="x2mdx-ref-type-badge">功能描述符</span>
</div>
</div>
</div>
</div>
## 生命周期变化
<div class="x2mdx-ref-change-list">
<div class="x2mdx-ref-change-item">
<span class="x2mdx-ref-change-version">3.4.4</span>
<span class="x2mdx-ref-change-detail">引入</span>
</div>
</div>
## 相关模式
<手风琴组>
<手风琴标题=“com.daml.ledger.api.v2.GetLedgerApiVersionRequest”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-getledgerapiversionrequest" />
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.GetLedgerApiVersionResponse”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-getledgerapiversionresponse">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">版本</code>
<span class="x2mdx-ref-type-badge">字符串</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">功能</code>
<span class="x2mdx-ref-type-badge">功能描述符</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.FeaturesDescriptor”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-featuresdescriptor">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">实验</code>
<span class="x2mdx-ref-type-badge">实验功能</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">用户\_管理</code>
<span class="x2mdx-ref-type-badge">用户管理功能</span>
</div>
</div><div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">派对\_管理</code>
<span class="x2mdx-ref-type-badge">派对管理功能</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">偏移量\_checkpoint</code>
<span class="x2mdx-ref-type-badge">OffsetCheckpointFeature</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">包\_feature</code>
<span class="x2mdx-ref-type-badge">软件包功能</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.ExperimentalFeatures”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-experimentalfeatures">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">静态\_时间</code>
<span class="x2mdx-ref-type-badge">实验静态时间</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">命令\_inspection\_service</code>
<span class="x2mdx-ref-type-badge">ExperimentalCommandInspectionService</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.ExperimentalStaticTime”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-experimentalstatictime">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">支持</code>
<span class="x2mdx-ref-type-badge">布尔</span>
</div>
</div>
</div>
</div>
</手风琴><手风琴标题=“com.daml.ledger.api.v2.ExperimentalCommandInspectionService”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-experimentalcommandinspectionservice">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">支持</code>
<span class="x2mdx-ref-type-badge">布尔</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.UserManagementFeature”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-usermanagementfeature">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">支持</code>
<span class="x2mdx-ref-type-badge">布尔</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">最大\_权限\_per\_user</code>
<span class="x2mdx-ref-type-badge">int32</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">max\_users\_page\_size</code>
<span class="x2mdx-ref-type-badge">int32</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.PartyManagementFeature”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-partymanagementfeature">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">max\_parties\_page\_size</code>
<span class="x2mdx-ref-type-badge">int32</span>
</div>
</div>
</div>
</div>
</手风琴>
<手风琴标题=“com.daml.ledger.api.v2.OffsetCheckpointFeature”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-offsetcheckpointfeature">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">max\_offset\_checkpoint\_emission\_delay</code>
<span class="x2mdx-ref-type-badge">持续时间</span>
</div>
</div>
</div>
</div>
</手风琴><手风琴标题=“com.daml.ledger.api.v2.PackageFeature”>
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-packagefeature">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">max\_vetted\_packages\_page\_size</code>
<span class="x2mdx-ref-type-badge">int32</span>
</div>
</div>
</div>
</div>
</手风琴>
</手风琴组>
grpcurl
```bash grpcurl theme={"theme":{"light":"github-light","dark":"github-dark"}}
# Add -plaintext if the server is not using TLS.
grpcurl \
-d @ \
<HOST:PORT> \
com.daml.ledger.api.v2.VersionService/GetLedgerApiVersion <<'EOF'
{}
EOF
```
</div>
</div>
<div className="x2mdx-ref-rail-panel">
<div className="x2mdx-ref-rail-code x2mdx-ref-rail-code--response">
<div className="x2mdx-ref-rail-head">
<span className="x2mdx-ref-rail-heading">确定</span>
<span className="x2mdx-ref-response-label">application/json</span>
</div>
```json OK theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
"version": "string",
"features": {
"experimental": {
"staticTime": {
"supported": true
},
"commandInspectionService": {
"supported": true
}
},
"userManagement": {
"supported": true,
"maxRightsPerUser": 0,
"maxUsersPageSize": 0
},
"partyManagement": {
"maxPartiesPageSize": 0
},
"offsetCheckpoint": {
"maxOffsetCheckpointEmissionDelay": "string"
},
"packageFeature": {
"maxVettedPackagesPageSize": 0
}
}
}
```
</div>
</div>本文由 CC Privacy Club 根据 Canton Network 官方文档（CC-BY-4.0）整理翻译，仅供学习；实现细节以官方最新版本为准。