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//! A collection of node-specific RPC methods.
//! Substrate provides the `sc-rpc` crate, which defines the core RPC layer
//! used by Substrate nodes. This file extends those RPC definitions with
//! capabilities that are specific to this project's runtime configuration.

#![warn(missing_docs)]

use std::sync::Arc;

use jsonrpsee::RpcModule;
pub use sc_rpc::DenyUnsafe;
use sc_transaction_pool_api::TransactionPool;
use sp_api::ProvideRuntimeApi;
use sp_block_builder::BlockBuilder;
use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};
use tuxedo_core::types::OpaqueBlock as Block;

/// A type representing all RPC extensions.
pub type RpcExtension = jsonrpsee::RpcModule<()>;

/// Full client dependencies
pub struct FullDeps<C, P> {
    /// The client instance to use.
    pub client: Arc<C>,
    /// Transaction pool instance.
    pub pool: Arc<P>,
    /// Whether to deny unsafe calls
    pub deny_unsafe: DenyUnsafe,
}

/// Instantiate all RPC extensions.
pub fn create_full<C, P>(
    _deps: FullDeps<C, P>,
) -> Result<RpcExtension, Box<dyn std::error::Error + Send + Sync>>
where
    C: ProvideRuntimeApi<Block>
        + HeaderBackend<Block>
        + HeaderMetadata<Block, Error = BlockChainError>
        + Send
        + Sync
        + 'static,
    C::Api: BlockBuilder<Block>,
    P: TransactionPool + Sync + Send + 'static,
{
    let module = RpcModule::new(());
    // Extend this RPC with a custom API by using the following syntax.
    // `YourRpcStruct` should have a reference to a client, which is needed
    // to call into the runtime.
    // `module.merge(YourRpcTrait::into_rpc(YourRpcStruct::new(ReferenceToClient, ...)))?;`
    Ok(module)
}