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Documentation/dev-guide: add example of txn target VERSION syntax for gRPC-gateway.

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This commit is contained in:
Sam Batschelet 2018-09-22 21:27:17 -04:00
parent d987caeb0d
commit e935594d34
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9
Documentation/dev-guide/api_grpc_gateway.md
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@ -62,12 +62,21 @@ curl -L http://localhost:2379/v3/kv/put \
Issue a transaction with `/v3/kv/txn`:
```bash
# target CREATE
curl -L http://localhost:2379/v3/kv/txn \
-X POST \
-d '{"compare":[{"target":"CREATE","key":"Zm9v","createRevision":"2"}],"success":[{"requestPut":{"key":"Zm9v","value":"YmFy"}}]}'
# {"header":{"cluster_id":"12585971608760269493","member_id":"13847567121247652255","revision":"3","raft_term":"2"},"succeeded":true,"responses":[{"response_put":{"header":{"revision":"3"}}}]}
```
```bash
# target VERSION
curl -L http://localhost:2379/v3/kv/txn \
-X POST \
-d '{"compare":[{"version":"4","result":"EQUAL","target":"VERSION","key":"Zm9v"}],"success":[{"requestRange":{"key":"Zm9v"}}]}'
# {"header":{"cluster_id":"14841639068965178418","member_id":"10276657743932975437","revision":"6","raft_term":"3"},"succeeded":true,"responses":[{"response_range":{"header":{"revision":"6"},"kvs":[{"key":"Zm9v","create_revision":"2","mod_revision":"6","version":"4","value":"YmF6"}],"count":"1"}}]}
```
### Authentication
Set up authentication with the `/v3/auth` service: