[fix] #159: Register domain and query all domains

Signed-off-by: Sam H. Smith <sam.henning.smith@protonmail.com>

docs-recipes/3.register-domain.py

@@ -0,0 +1,48 @@
+import iroha
+
+key_pair = iroha.KeyPair.from_json("""
+{
+  "public_key": "ed01207233BFC89DCBD68C19FDE6CE6158225298EC1131B6A130D1AEB454C1AB5183C0",
+  "private_key": {
+    "digest_function": "ed25519",
+    "payload": "9ac47abf59b356e0bd7dcbbbb4dec080e302156a48ca907e47cb6aea1d32719e7233bfc89dcbd68c19fde6ce6158225298ec1131b6a130d1aeb454c1ab5183c0"
+  }
+}
+""")
+
+account_id = "alice@wonderland"
+web_login = "mad_hatter"
+password = "ilovetea"
+api_url = "http://127.0.0.1:8080/"
+telemetry_url = "http://127.0.0.1:8180/"
+
+client = iroha.Client.create(
+            key_pair,
+            account_id,
+            web_login,
+            password,
+            api_url)
+
+domains = client.query_all_domains()
+
+print("Listing all domains...")
+for d in domains:
+    print(" - ", d,)
+
+if "looking_glass" in domains:
+    print("'looking_glass' domain already exists.")
+
+register = iroha.Instruction.register_domain("looking_glass")
+
+client.submit_executable([register])
+
+while True:
+    domains = client.query_all_domains()
+
+    if "looking_glass" in domains:
+        break
+
+print("Domain 'looking_glass' has been registered.")
+print("Listing all domains...")
+for d in domains:
+    print(" - ", d,)

src/client.rs

@@ -69,6 +69,25 @@ impl Client {
             .map(|hash| hash.to_string())
             .map_err(|e| PyRuntimeError::new_err(format!("Error submitting instruction: {}", e)))
     }
+
+    fn query_all_domains(&self) -> PyResult<Vec<String>> {
+        let query = iroha_data_model::query::prelude::FindAllDomains {};
+
+        let val = self.client.request(query)
+            .map_err(|e| PyRuntimeError::new_err(format!("{e:?}")))?;
+
+        let mut items = Vec::new();
+        for item in val {
+            items.push(
+                item
+                    .map(|d| d.id.to_string())
+                    .map_err(|e|
+                        PyRuntimeError::new_err(format!("{e:?}"))
+                    )?
+                );
+        }
+        Ok(items)
+    }
 }
 
 macro_rules! register_query {

src/isi.rs

@@ -1,9 +1,13 @@
 use iroha_data_model::isi::{
     InstructionExpr, MintExpr, RegisterExpr, TransferExpr, UnregisterExpr,
 };
+use iroha_data_model::domain::NewDomain;
+use iroha_data_model::prelude::DomainId;
 use iroha_data_model::NumericValue;
 use pyo3::{exceptions::PyValueError, prelude::*};
 
+use std::str::FromStr;
+
 use crate::data_model::account::{PyAccountId, PyNewAccount};
 use crate::data_model::asset::{PyAssetDefinitionId, PyAssetId, PyNewAssetDefinition};
 use crate::data_model::domain::{PyDomainId, PyNewDomain};
@@ -40,6 +44,17 @@ impl PyInstruction {
             "Only registration of accounts, asset definitions and domains is supported",
         ))
     }
+
+    #[staticmethod]
+    /// Create an instruction for registering a new domain.
+    fn register_domain(domain_id: &str) -> PyResult<PyInstruction> {
+        let new_domain_object = NewDomain {
+            id: DomainId::from_str(domain_id).map_err(|e| PyValueError::new_err(e.to_string()))?,
+            logo: None,
+            metadata: Default::default(),
+        };
+        return Ok(PyInstruction(InstructionExpr::Register(RegisterExpr::new(new_domain_object))));
+    }
 
     #[staticmethod]
     /// Create an instruction for un-registering an object.