Add commitment routes (#651)

* Add Commitments routes

* Fix no_std

* Fix get_slot_commitment_by_index_raw name

* Add GET

* derive_more Display

sdk/Cargo.toml

@@ -20,7 +20,7 @@ rustdoc-args = [ "--cfg", "docsrs" ]
 # Mandatory dependencies
 bech32 = { version = "0.9.1", default-features = false }
 bitflags = { version = "2.3.1", default-features = false }
-derive_more = { version = "0.99.17", default-features = false, features = [ "from", "as_ref", "deref", "deref_mut" ] }
+derive_more = { version = "0.99.17", default-features = false, features = [ "from", "as_ref", "deref", "deref_mut", "display" ] }
 getset = { version = "0.1.2", default-features = false }
 hashbrown = { version = "0.13.2", default-features = false, features = [ "ahash", "inline-more" ] }
 hex = { version = "0.4.3", default-features = false }

sdk/src/client/node_api/core/routes.rs

@@ -21,6 +21,7 @@ use crate::{
         block::{
             output::{dto::OutputMetadataDto, Output, OutputId, OutputMetadata, OutputWithMetadata},
             payload::transaction::TransactionId,
+            slot::{SlotCommitment, SlotCommitmentId, SlotIndex},
             Block, BlockDto, BlockId,
         },
     },
@@ -89,7 +90,7 @@ impl ClientInner {
             .await
     }
 
-    // Tangle routes.
+    // Blocks routes.
 
     /// Returns tips that are ideal for attaching a block.
     /// GET /api/core/v3/tips
@@ -106,8 +107,6 @@ impl ClientInner {
         Ok(response.tips)
     }
 
-    // Blocks routes.
-
     /// Returns the BlockId of the submitted block.
     /// POST JSON to /api/core/v3/blocks
     pub async fn post_block(&self, block: &Block) -> Result<BlockId> {
@@ -341,6 +340,56 @@ impl ClientInner {
             .await
     }
 
+    // Commitments routes.
+
+    /// Gets the slot commitment by the given slot commitment id.
+    /// GET /api/core/v3/commitments/{commitmentId}
+    pub async fn get_slot_commitment_by_id(&self, slot_commitment_id: &SlotCommitmentId) -> Result<SlotCommitment> {
+        let path = &format!("api/core/v3/commitments/{slot_commitment_id}");
+
+        self.node_manager
+            .read()
+            .await
+            .get_request::<SlotCommitment>(path, None, self.get_timeout().await, false, true)
+            .await
+    }
+
+    /// Gets the slot commitment, as raw bytes, by the given slot commitment id.
+    /// GET /api/core/v3/commitments/{commitmentId}
+    pub async fn get_slot_commitment_by_id_raw(&self, slot_commitment_id: &SlotCommitmentId) -> Result<Vec<u8>> {
+        let path = &format!("api/core/v3/commitments/{slot_commitment_id}");
+
+        self.node_manager
+            .read()
+            .await
+            .get_request_bytes(path, None, self.get_timeout().await)
+            .await
+    }
+
+    /// Gets the slot commitment by the given slot index.
+    /// GET /api/core/v3/commitments/by-index/{index}
+    pub async fn get_slot_commitment_by_index(&self, slot_index: &SlotIndex) -> Result<SlotCommitment> {
+        let path = &format!("api/core/v3/commitments/by-index/{slot_index}");
+
+        self.node_manager
+            .read()
+            .await
+            .get_request::<SlotCommitment>(path, None, self.get_timeout().await, false, true)
+            .await
+    }
+
+    /// Gets the slot commitment, as raw bytes, by the given slot index.
+    /// GET /api/core/v3/commitments/by-index/{index}
+    pub async fn get_slot_commitment_by_index_raw(&self, slot_index: &SlotIndex) -> Result<Vec<u8>> {
+        let path = &format!("api/core/v3/commitments/by-index/{slot_index}");
+
+        self.node_manager
+            .read()
+            .await
+            .get_request_bytes(path, None, self.get_timeout().await)
+            .await
+    }
+
     // Peers routes.
 
     /// GET /api/core/v3/peers

sdk/src/types/block/slot/commitment.rs

@@ -9,12 +9,17 @@ use crate::types::block::slot::{RootsId, SlotCommitmentId, SlotIndex};
 /// Contains a summary of a slot.
 /// It is linked to the commitment of the previous slot, which forms a commitment chain.
 #[derive(Clone, Debug, Eq, PartialEq, Hash, derive_more::From, Packable)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(
+    feature = "serde",
+    derive(serde::Serialize, serde::Deserialize),
+    serde(rename_all = "camelCase")
+)]
 pub struct SlotCommitment {
     /// The slot index of this commitment.
     /// It is calculated based on genesis timestamp and the duration of a slot.
     index: SlotIndex,
     /// The commitment ID of the previous slot.
+    #[cfg_attr(feature = "serde", serde(rename = "prevId"))]
     previous_slot_commitment_id: SlotCommitmentId,
     /// A BLAKE2b-256 hash of concatenating multiple sparse merkle tree roots of a slot.
     roots_id: RootsId,

sdk/src/types/block/slot/index.rs

@@ -1,12 +1,12 @@
 // Copyright 2023 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use derive_more::{Deref, From};
+use derive_more::{Deref, Display, From};
 
 /// Timeline is divided into slots, and each slot has a corresponding slot index.
 /// To calculate the slot index of a timestamp, `genesisTimestamp` and the duration of a slot are needed.
 /// The slot index of timestamp `ts` is `(ts - genesisTimestamp)/duration + 1`.
-#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, From, Deref, packable::Packable)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, From, Deref, Display, packable::Packable)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct SlotIndex(u64);