Add stake pool getter to JCLI

Author: CodeSandwich

doc/jcli/rest.md

@@ -477,3 +477,36 @@ YAML printed on success
   # timestamp of last time gossip was received from node if ever (optional)
   lastGossipReceived: "2019-10-14T00:45:59.419496188+00:00"
 ```
+
+## Get stake pool details
+
+Fetches stake pool details
+
+```
+jcli rest v0 stake-pool get <pool-id> <options>
+```
+
+<pool-id> - hex-encoded pool ID
+
+The options are
+
+- -h <node_addr> - see [conventions](#conventions)
+- --debug - see [conventions](#conventions)
+- --output-format <format> - see [conventions](#conventions)
+
+YAML printed on success
+
+```yaml
+---
+tax:                        # pool reward
+  fixed: 5                  # what get subtracted as fixed value
+  ratio:                    # ratio of tax after fixed amount is subtracted. Expressed as numerator/denominator
+    numerator: 1
+    denominator: 10000
+  max: 100                  # limit of tax (optional)
+total_stake: 2000000000000  # total stake pool value
+# bech32-encoded stake pool KES key
+kesPublicKey: kes25519-12-pk1q7susucqwje0lpetqzjgzncgcrjzx7e2guh900qszdjskkeyqpusf3p39r
+# bech32-encoded stake pool VRF key
+vrfPublicKey: vrf_pk1rcm4qm3q9dtwq22x9a4avnan7a3k987zvepuxwekzj3uyu6a8v0s6sdy0l
+```

jcli/src/jcli_app/rest/v0/mod.rs

@@ -7,6 +7,7 @@ mod node;
 mod settings;
 mod shutdown;
 mod stake;
+mod stake_pool;
 mod stake_pools;
 mod tip;
 mod utxo;
@@ -33,6 +34,8 @@ pub enum V0 {
     Settings(settings::Settings),
     /// Stake information
     Stake(stake::Stake),
+    /// Stake pool operations
+    StakePool(stake_pool::StakePool),
     /// Stake pools operations
     StakePools(stake_pools::StakePools),
     /// Shutdown node
@@ -54,6 +57,7 @@ impl V0 {
             V0::Node(node) => node.exec(),
             V0::Settings(settings) => settings.exec(),
             V0::Stake(stake) => stake.exec(),
+            V0::StakePool(stake_pool) => stake_pool.exec(),
             V0::StakePools(stake_pools) => stake_pools.exec(),
             V0::Shutdown(shutdown) => shutdown.exec(),
             V0::Tip(tip) => tip.exec(),

jcli/src/jcli_app/rest/v0/stake_pool/mod.rs

@@ -0,0 +1,40 @@
+use crate::jcli_app::rest::Error;
+use crate::jcli_app::utils::{DebugFlag, HostAddr, OutputFormat, RestApiSender};
+use structopt::StructOpt;
+
+#[derive(StructOpt)]
+#[structopt(rename_all = "kebab-case")]
+pub enum StakePool {
+    /// Get stake pool details
+    Get {
+        /// hex-encoded pool ID
+        pool_id: String,
+        #[structopt(flatten)]
+        addr: HostAddr,
+        #[structopt(flatten)]
+        debug: DebugFlag,
+        #[structopt(flatten)]
+        output_format: OutputFormat,
+    },
+}
+
+impl StakePool {
+    pub fn exec(self) -> Result<(), Error> {
+        let StakePool::Get {
+            pool_id,
+            addr,
+            debug,
+            output_format,
+        } = self;
+        let url = addr
+            .with_segments(&["v0", "stake_pool", &pool_id])?
+            .into_url();
+        let builder = reqwest::Client::new().get(url);
+        let response = RestApiSender::new(builder, &debug).send()?;
+        response.ok_response()?;
+        let status = response.body().json_value()?;
+        let formatted = output_format.format_json(status)?;
+        println!("{}", formatted);
+        Ok(())
+    }
+}