chore: improve client SDK with CanisterCaller trait

Cargo.toml

@@ -15,7 +15,7 @@ strip = true
 opt-level = 's'
 
 [workspace.package]
-version = "0.6.5"
+version = "0.6.6"
 edition = "2021"
 repository = "https://github.com/ldclabs/ic-cose"
 keywords = ["config", "cbor", "canister", "icp", "encryption"]

src/ic_cose/Cargo.toml

@@ -10,6 +10,7 @@ categories.workspace = true
 license.workspace = true
 
 [dependencies]
+async-trait = { workspace = true }
 candid = { workspace = true }
 serde_bytes = { workspace = true }
 rand = { workspace = true }

src/ic_cose/src/agent.rs

@@ -1,7 +1,3 @@
-use candid::{
-    utils::{encode_args, ArgumentEncoder},
-    CandidType, Decode, Principal,
-};
 use ic_agent::{Agent, Identity};
 use ic_cose_types::format_error;
 use std::sync::Arc;
@@ -19,45 +15,3 @@ pub async fn build_agent(host: &str, identity: Arc<dyn Identity>) -> Result<Agen
 
     Ok(agent)
 }
-
-pub async fn update_call<In, Out>(
-    agent: &Agent,
-    canister_id: &Principal,
-    method_name: &str,
-    args: In,
-) -> Result<Out, String>
-where
-    In: ArgumentEncoder + Send,
-    Out: CandidType + for<'a> candid::Deserialize<'a>,
-{
-    let input = encode_args(args).map_err(format_error)?;
-    let res = agent
-        .update(canister_id, method_name)
-        .with_arg(input)
-        .call_and_wait()
-        .await
-        .map_err(format_error)?;
-    let output = Decode!(res.as_slice(), Out).map_err(format_error)?;
-    Ok(output)
-}
-
-pub async fn query_call<In, Out>(
-    agent: &Agent,
-    canister_id: &Principal,
-    method_name: &str,
-    args: In,
-) -> Result<Out, String>
-where
-    In: ArgumentEncoder + Send,
-    Out: CandidType + for<'a> candid::Deserialize<'a>,
-{
-    let input = encode_args(args).map_err(format_error)?;
-    let res = agent
-        .query(canister_id, method_name)
-        .with_arg(input)
-        .call()
-        .await
-        .map_err(format_error)?;
-    let output = Decode!(res.as_slice(), Out).map_err(format_error)?;
-    Ok(output)
-}