fix: use Binary for checksum and merkle path so base64 deser works

.changelog/unreleased/improvements/1283-remove-cosmwasm-feature-flag.md

@@ -0,0 +1,3 @@
+- [ibc-client-wasm-type] Remove the `cosmwasm` feature for consistent feature
+  flags across ibc-rs, and use existing `serde` and `schema` features.
+  ([\#1283](https://github.com/cosmos/ibc-rs/pull/1283))

Cargo.toml

@@ -67,7 +67,7 @@ sha2            = { version = "0.10.8", default-features = false }
 serde           = { version = "1.0", default-features = false }
 serde-json      = { package = "serde-json-wasm", version = "1.0.1", default-features = false }
 subtle-encoding = { version = "0.5", default-features = false }
-hex             = { version = "0.4.3" }
+hex             = { version = "0.4.3", default-features = false }
 
 # ibc dependencies
 ibc            = { version = "0.53.0", path = "./ibc", default-features = false }

ibc-clients/cw-context/Cargo.toml

@@ -24,13 +24,16 @@ serde       = { workspace = true, features = [ "derive" ] }
 
 # ibc dependencies
 ibc-core              = { workspace = true }
-ibc-client-wasm-types = { workspace = true, features = [ "cosmwasm" ] }
+ibc-client-wasm-types = { workspace = true, features = [ "schema" ] }
 
 # cosmwasm dependencies
 cosmwasm-schema = { workspace = true }
 cosmwasm-std    = { workspace = true }
 cw-storage-plus = { workspace = true }
 
+[dev-dependencies]
+serde-json = { workspace = true }
+
 [features]
 default = [ "std" ]
 std = [

ibc-clients/cw-context/src/context/mod.rs

@@ -3,7 +3,7 @@ pub mod custom_ctx;
 
 use std::str::FromStr;
 
-use cosmwasm_std::{Checksum, Deps, DepsMut, Empty, Env, Order, Storage};
+use cosmwasm_std::{Binary, Deps, DepsMut, Empty, Env, Order, Storage};
 use cw_storage_plus::{Bound, Map};
 use ibc_client_wasm_types::client_state::ClientState as WasmClientState;
 use ibc_core::client::context::client_state::ClientStateCommon;
@@ -40,7 +40,7 @@ where
     deps_mut: Option<DepsMut<'a>>,
     env: Env,
     client_id: ClientId,
-    checksum: Option<Checksum>,
+    checksum: Option<Binary>,
     migration_prefix: MigrationPrefix,
     client_type: std::marker::PhantomData<C>,
 }
@@ -96,7 +96,7 @@ where
     }
 
     /// Sets the checksum of the context.
-    pub fn set_checksum(&mut self, checksum: Checksum) {
+    pub fn set_checksum(&mut self, checksum: Binary) {
         self.checksum = Some(checksum);
     }
 
@@ -272,9 +272,9 @@ where
     }
 
     /// Returns the checksum of the current contract.
-    pub fn obtain_checksum(&self) -> Result<Checksum, ClientError> {
+    pub fn obtain_checksum(&self) -> Result<Binary, ClientError> {
         match &self.checksum {
-            Some(checksum) => Ok(*checksum),
+            Some(checksum) => Ok(checksum.clone()),
             None => {
                 let client_state_value = self.retrieve(ClientStatePath::leaf())?;
 
@@ -285,14 +285,7 @@ where
                         }
                     })?;
 
-                let checksum =
-                    Checksum::try_from(wasm_client_state.checksum.as_slice()).map_err(|e| {
-                        ClientError::Other {
-                            description: e.to_string(),
-                        }
-                    })?;
-
-                Ok(checksum)
+                Ok(wasm_client_state.checksum.into())
             }
         }
     }

ibc-clients/cw-context/src/types/msgs.rs

@@ -1,11 +1,10 @@
 //! Defines the messages sent to the CosmWasm contract by the 08-wasm proxy
 //! light client.
 use cosmwasm_schema::{cw_serde, QueryResponses};
-use cosmwasm_std::{Binary, Checksum};
+use cosmwasm_std::Binary;
 use ibc_core::client::types::proto::v1::Height as RawHeight;
 use ibc_core::client::types::Height;
 use ibc_core::commitment_types::commitment::{CommitmentPrefix, CommitmentProofBytes};
-use ibc_core::commitment_types::merkle::MerklePath;
 use ibc_core::host::types::path::PathBytes;
 use ibc_core::primitives::proto::Any;
 use prost::Message;
@@ -20,7 +19,7 @@
 pub struct InstantiateMsg {
     pub client_state: Binary,
     pub consensus_state: Binary,
-    pub checksum: Checksum,
+    pub checksum: Binary,
 }
 
 // ------------------------------------------------------------
@@ -115,6 +114,11 @@
     }
 }
 
+#[cw_serde]
+pub struct MerklePath {
+    pub key_path: Vec<Binary>,
+}
+
 #[cw_serde]
 pub struct VerifyMembershipMsgRaw {
     pub proof: Binary,
@@ -140,7 +144,7 @@
 
     fn try_from(mut raw: VerifyMembershipMsgRaw) -> Result<Self, Self::Error> {
         let proof = CommitmentProofBytes::try_from(raw.proof.to_vec())?;
-        let prefix = CommitmentPrefix::from(raw.path.key_path.remove(0).into_vec());
+        let prefix = CommitmentPrefix::from_bytes(raw.path.key_path.remove(0));
         let path = PathBytes::flatten(raw.path.key_path);
         let height = Height::try_from(raw.height)?;
 
@@ -179,7 +183,7 @@
 
     fn try_from(mut raw: VerifyNonMembershipMsgRaw) -> Result<Self, Self::Error> {
         let proof = CommitmentProofBytes::try_from(raw.proof.to_vec())?;
-        let prefix = CommitmentPrefix::from(raw.path.key_path.remove(0).into_vec());
+        let prefix = CommitmentPrefix::from_bytes(raw.path.key_path.remove(0));
         let path = PathBytes::flatten(raw.path.key_path);
         let height = raw.height.try_into()?;
 
@@ -264,3 +268,37 @@
         Ok(Self { client_message })
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::{InstantiateMsg, SudoMsg};
+
+    #[test]
+    fn verify_membership_from_json() {
+        let sudo_msg = r#"{
+            "verify_membership":{
+                "height":
+                    {"revision_height":57},
+                "delay_time_period":0,
+                "delay_block_period":0,
+                "proof":"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",
+                "path":{"key_path":["aWJj","Y29ubmVjdGlvbnMvY29ubmVjdGlvbi0w"]},
+                "value":"Cg8wNy10ZW5kZXJtaW50LTASIwoBMRINT1JERVJfT1JERVJFRBIPT1JERVJfVU5PUkRFUkVEGAIiIAoJMDgtd2FzbS0wEgxjb25uZWN0aW9uLTAaBQoDaWJj"
+            }
+        }"#;
+        assert!(matches!(
+            serde_json::from_str::<SudoMsg>(sudo_msg).unwrap(),
+            SudoMsg::VerifyMembership(_)
+        ));
+    }
+
+    #[test]
+    fn instantiate_msg_from_json() {
+        let instantiate_msg = r#"{
+            "client_state":"Y2xpZW50X3N0YXRlCg==",
+            "consensus_state":"Y29uc2Vuc3VzX3N0YXRlCg==",
+            "checksum":"Y2hlY2tzdW0K"
+        }"#;
+        serde_json::from_str::<InstantiateMsg>(instantiate_msg).unwrap();
+    }
+}

ibc-clients/ics08-wasm/types/Cargo.toml

@@ -17,10 +17,10 @@ description = """
 
 [dependencies]
 # external dependencies
-base64          = { workspace = true, features = [ "alloc" ] }
-displaydoc      = { workspace = true }
-serde           = { workspace = true, optional = true }
-cosmwasm-schema = { workspace = true, optional = true }
+base64     = { workspace = true, features = [ "alloc" ] }
+displaydoc = { workspace = true }
+schemars   = { workspace = true, optional = true }
+serde      = { workspace = true, optional = true }
 
 # ibc dependencies
 ibc-core-client     = { workspace = true }
@@ -54,10 +54,7 @@ schema = [
   "ibc-core-host-types/schema",
   "ibc-primitives/schema",
   "ibc-proto/json-schema",
+  "schemars",
   "serde",
   "std",
 ]
-cosmwasm = [
-  "cosmwasm-schema",
-  "schema",
-]

ibc-clients/ics08-wasm/types/src/client_state.rs

@@ -1,28 +1,26 @@
 //! Defines the client state type for the ICS-08 Wasm light client.
 
-#[cfg(feature = "cosmwasm")]
-use cosmwasm_schema::cw_serde;
 use ibc_core_client::types::Height;
 use ibc_primitives::prelude::*;
 use ibc_primitives::proto::{Any, Protobuf};
 use ibc_proto::ibc::lightclients::wasm::v1::ClientState as RawClientState;
 
 use crate::error::Error;
-#[cfg(feature = "cosmwasm")]
+#[cfg(feature = "serde")]
 use crate::serializer::Base64;
 use crate::Bytes;
 
 pub const WASM_CLIENT_STATE_TYPE_URL: &str = "/ibc.lightclients.wasm.v1.ClientState";
 
-#[cfg_attr(feature = "cosmwasm", cw_serde)]
-#[cfg_attr(not(feature = "cosmwasm"), derive(Clone, Debug, PartialEq))]
-#[derive(Eq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
+#[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ClientState {
-    #[cfg_attr(feature = "cosmwasm", schemars(with = "String"))]
-    #[cfg_attr(feature = "cosmwasm", serde(with = "Base64", default))]
+    #[cfg_attr(feature = "schema", schemars(with = "String"))]
+    #[cfg_attr(feature = "serde", serde(with = "Base64", default))]
     pub data: Bytes,
-    #[cfg_attr(feature = "cosmwasm", schemars(with = "String"))]
-    #[cfg_attr(feature = "cosmwasm", serde(with = "Base64", default))]
+    #[cfg_attr(feature = "schema", schemars(with = "String"))]
+    #[cfg_attr(feature = "serde", serde(with = "Base64", default))]
     pub checksum: Bytes,
     pub latest_height: Height,
 }

ibc-clients/ics08-wasm/types/src/consensus_state.rs

@@ -1,24 +1,22 @@
 //! Defines the consensus state type for the ICS-08 Wasm light client.
 
-#[cfg(feature = "cosmwasm")]
-use cosmwasm_schema::cw_serde;
 use ibc_core_client::types::error::ClientError;
 use ibc_primitives::prelude::*;
 use ibc_primitives::proto::{Any, Protobuf};
 use ibc_proto::ibc::lightclients::wasm::v1::ConsensusState as RawConsensusState;
 
-#[cfg(feature = "cosmwasm")]
+#[cfg(feature = "serde")]
 use crate::serializer::Base64;
 use crate::Bytes;
 
 pub const WASM_CONSENSUS_STATE_TYPE_URL: &str = "/ibc.lightclients.wasm.v1.ConsensusState";
 
-#[cfg_attr(feature = "cosmwasm", cw_serde)]
-#[cfg_attr(not(feature = "cosmwasm"), derive(Clone, Debug, PartialEq))]
-#[derive(Eq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
+#[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ConsensusState {
-    #[cfg_attr(feature = "cosmwasm", schemars(with = "String"))]
-    #[cfg_attr(feature = "cosmwasm", serde(with = "Base64", default))]
+    #[cfg_attr(feature = "schema", schemars(with = "String"))]
+    #[cfg_attr(feature = "serde", serde(with = "Base64", default))]
     pub data: Bytes,
 }
 

ibc-clients/ics08-wasm/types/src/lib.rs

@@ -18,7 +18,7 @@ pub mod consensus_state;
 pub mod error;
 pub mod msgs;
 
-#[cfg(feature = "cosmwasm")]
+#[cfg(feature = "serde")]
 pub mod serializer;
 
 use core::str::FromStr;

ibc-core/ics23-commitment/types/src/commitment.rs

@@ -149,6 +149,12 @@
 }
 
 impl CommitmentPrefix {
+    pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Self {
+        Self {
+            bytes: bytes.as_ref().to_vec(),
+        }
+    }
+
     pub fn as_bytes(&self) -> &[u8] {
         &self.bytes
     }

ibc-core/ics24-host/types/src/path.rs

@@ -51,6 +51,10 @@
 pub struct PathBytes(Vec<u8>);
 
 impl PathBytes {
+    pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Self {
+        Self(bytes.as_ref().to_vec())
+    }
+
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
     }
@@ -60,10 +64,10 @@
     }
 
     /// Flattens a list of path bytes into a single path.
-    pub fn flatten(paths: Vec<PathBytes>) -> Self {
+    pub fn flatten<T: AsRef<[u8]>>(paths: Vec<T>) -> Self {
         let mut bytes = Vec::new();
         paths.iter().for_each(|path| {
-            bytes.extend_from_slice(&path.0);
+            bytes.extend_from_slice(path.as_ref());
         });
         Self(bytes)
     }

ibc-data-types/Cargo.toml

@@ -95,6 +95,3 @@ parity-scale-codec = [
   "ibc-client-tendermint-types/parity-scale-codec",
   "ibc-primitives/parity-scale-codec",
 ]
-cosmwasm = [
-  "ibc-client-wasm-types/cosmwasm",
-]

ibc-testkit/Cargo.toml

@@ -46,6 +46,7 @@ rstest = { workspace = true }
 [features]
 default = [ "std" ]
 std = [
+  "hex/std",
   "serde/std",
   "serde-json/std",
   "ibc/std",

tests-integration/tests/cosmwasm/helper.rs

@@ -1,7 +1,7 @@
 use std::str::FromStr;
 
 use cosmwasm_std::testing::{message_info, mock_dependencies, mock_env};
-use cosmwasm_std::{coins, Checksum, Env, MessageInfo, Timestamp as CwTimestamp};
+use cosmwasm_std::{coins, Binary, Checksum, Env, MessageInfo, Timestamp as CwTimestamp};
 use ibc::clients::tendermint::types::ConsensusState;
 use ibc::core::primitives::Timestamp as IbcTimestamp;
 use tendermint::Hash;
@@ -13,9 +13,12 @@ pub fn dummy_msg_info() -> MessageInfo {
     message_info(&creator, &coins(1000, "ibc"))
 }
 
-pub fn dummy_checksum() -> Checksum {
-    Checksum::from_hex("2469f43c3ca20d476442bd3d98cbd97a180776ab37332aa7b02cae5a620acfc6")
-        .expect("Never fails")
+pub fn dummy_checksum() -> Binary {
+    let hex_bytes =
+        Checksum::from_hex("2469f43c3ca20d476442bd3d98cbd97a180776ab37332aa7b02cae5a620acfc6")
+            .expect("Never fails");
+
+    hex_bytes.as_slice().into()
 }
 
 pub fn dummy_sov_consensus_state(timestamp: IbcTimestamp) -> ConsensusState {