walto/repuchain-node/node/src/rpc.rs

58 lines
2.0 KiB
Rust

//! 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;
use node_template_runtime::{opaque::Block, AccountId, Balance, Nonce};
use sc_transaction_pool_api::TransactionPool;
use sp_api::ProvideRuntimeApi;
use sp_block_builder::BlockBuilder;
use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};
pub use sc_rpc_api::DenyUnsafe;
/// 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 full RPC extensions.
pub fn create_full<C, P>(
deps: FullDeps<C, P>,
) -> Result<RpcModule<()>, Box<dyn std::error::Error + Send + Sync>>
where
C: ProvideRuntimeApi<Block>,
C: HeaderBackend<Block> + HeaderMetadata<Block, Error = BlockChainError> + 'static,
C: Send + Sync + 'static,
C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Nonce>,
C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,
C::Api: BlockBuilder<Block>,
P: TransactionPool + 'static,
{
use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApiServer};
use substrate_frame_rpc_system::{System, SystemApiServer};
let mut module = RpcModule::new(());
let FullDeps { client, pool, deny_unsafe } = deps;
module.merge(System::new(client.clone(), pool, deny_unsafe).into_rpc())?;
module.merge(TransactionPayment::new(client).into_rpc())?;
// 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)
}