core: fix and feature guard control_flow after move from sdk

crates/core/Cargo.toml

@@ -29,10 +29,12 @@ migrations = [
   "linkme",
 ]
 benches = ["proptest"]
+control_flow = ["futures", "tokio"]
 
 [dependencies]
 namada_macros = {path = "../macros"}
 namada_migrations = {path = "../migrations", optional = true}
+
 arse-merkle-tree.workspace = true
 bech32.workspace = true
 borsh.workspace = true
@@ -43,6 +45,7 @@ ed25519-consensus.workspace = true
 ethabi.workspace = true
 ethbridge-structs.workspace = true
 eyre.workspace = true
+futures = { workspace = true, optional = true }
 ibc.workspace = true
 ics23.workspace = true
 impl-num-traits = "0.1.2"
@@ -69,16 +72,19 @@ tendermint = {workspace = true}
 tendermint-proto = {workspace = true}
 thiserror.workspace = true
 tiny-keccak = {version = "2.0.2", features = ["keccak"]}
+tokio = { workspace = true, optional = true, features = ["full"]}
 tracing.workspace = true
 uint = "0.9.5"
 zeroize.workspace = true
 
 [dev-dependencies]
 assert_matches.workspace = true
+futures.workspace = true
 pretty_assertions.workspace = true
 proptest.workspace = true
 rand.workspace = true
 rand_core.workspace = true
 test-log.workspace = true
+tokio = { workspace = true, features = ["full"] }
 toml.workspace = true
 tracing-subscriber.workspace = true

crates/core/src/control_flow/time.rs

@@ -1,5 +1,7 @@
 //! Time related logic for futures.
 
+#![allow(clippy::arithmetic_side_effects)]
+
 use std::future::Future;
 use std::ops::ControlFlow;
 

crates/core/src/lib.rs

@@ -19,6 +19,8 @@
 
 pub mod arith;
 pub mod bytes;
+#[cfg(any(test, feature = "control_flow"))]
+pub mod control_flow;
 pub mod governance;
 pub mod hints;
 pub mod proof_of_stake;

crates/sdk/src/lib.rs

@@ -34,7 +34,6 @@ pub mod signing;
 #[allow(clippy::result_large_err)]
 pub mod tx;
 
-pub mod control_flow;
 pub mod error;
 pub mod events;
 pub(crate) mod internal_macros;
@@ -55,6 +54,7 @@ use io::Io;
 use masp::{ShieldedContext, ShieldedUtils};
 use namada_core::address::Address;
 use namada_core::collections::HashSet;
+pub use namada_core::control_flow;
 use namada_core::dec::Dec;
 use namada_core::ethereum_events::EthAddress;
 use namada_core::ibc::core::host::types::identifiers::{ChannelId, PortId};