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/// This macro generates the boilerplate required to call into the /// contract-specific logic from the entry-points to the Wasm module. /// /// It should be invoked in a module scope(that is, not inside a function), and the argument to the macro /// should be the name of a second rust module that is imported in the invocation scope. /// The second module should export three functions with the following signatures: /// ``` /// # use cosmwasm_std::{ /// # Storage, Api, Querier, DepsMut, Deps, Env, StdError, MessageInfo, /// # Response, QueryResponse, /// # }; /// # /// # type InstantiateMsg = (); /// pub fn instantiate( /// deps: DepsMut, /// env: Env, /// info: MessageInfo, /// msg: InstantiateMsg, /// ) -> Result<Response, StdError> { /// # Ok(Default::default()) /// } /// /// # type ExecuteMsg = (); /// pub fn execute( /// deps: DepsMut, /// env: Env, /// info: MessageInfo, /// msg: ExecuteMsg, /// ) -> Result<Response, StdError> { /// # Ok(Default::default()) /// } /// /// # type QueryMsg = (); /// pub fn query( /// deps: Deps, /// env: Env, /// msg: QueryMsg, /// ) -> Result<QueryResponse, StdError> { /// # Ok(Default::default()) /// } /// ``` /// where `InstantiateMsg`, `ExecuteMsg`, and `QueryMsg` are types that implement `DeserializeOwned + JsonSchema`. /// /// # Example /// /// ```ignore /// use contract; // The contract module /// /// cosmwasm_std::create_entry_points!(contract); /// ``` #[macro_export] macro_rules! create_entry_points { (@migration; $contract:ident, true) => { #[no_mangle] extern "C" fn migrate(env_ptr: u32, msg_ptr: u32) -> u32 { do_migrate(&$contract::migrate, env_ptr, msg_ptr) } }; (@migration; $contract:ident, false) => {}; (@inner; $contract:ident, migration = $migration:tt) => { mod wasm { use super::$contract; use cosmwasm_std::{do_execute, do_instantiate, do_migrate, do_query}; #[no_mangle] extern "C" fn instantiate(env_ptr: u32, info_ptr: u32, msg_ptr: u32) -> u32 { do_instantiate(&$contract::instantiate, env_ptr, info_ptr, msg_ptr) } #[no_mangle] extern "C" fn execute(env_ptr: u32, info_ptr: u32, msg_ptr: u32) -> u32 { do_execute(&$contract::execute, env_ptr, info_ptr, msg_ptr) } #[no_mangle] extern "C" fn query(env_ptr: u32, msg_ptr: u32) -> u32 { do_query(&$contract::query, env_ptr, msg_ptr) } $crate::create_entry_points!(@migration; $contract, $migration); // Other C externs like interface_version_7, allocate, deallocate are available // automatically because we `use cosmwasm_std`. } }; ($contract:ident) => { $crate::create_entry_points!(@inner; $contract, migration = false); }; } /// This macro is very similar to the `create_entry_points` macro, except it also requires the `migrate` method: /// ``` /// # use cosmwasm_std::{ /// # Storage, Api, Querier, DepsMut, Env, StdError, Response, MessageInfo, /// # }; /// # type MigrateMsg = (); /// pub fn migrate( /// deps: DepsMut, /// _env: Env, /// msg: MigrateMsg, /// ) -> Result<Response, StdError> { /// # Ok(Default::default()) /// } /// ``` /// where `MigrateMsg` is a type that implements `DeserializeOwned + JsonSchema`. /// /// # Example /// /// ```ignore /// use contract; // The contract module /// /// cosmwasm_std::create_entry_points_with_migration!(contract); /// ``` #[macro_export] macro_rules! create_entry_points_with_migration { ($contract:ident) => { $crate::create_entry_points!(@inner; $contract, migration = true); }; }