55 lines
2.0 KiB
Rust
55 lines
2.0 KiB
Rust
//! A collection of node-specific RPC methods.
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//! Substrate provides the `sc-rpc` crate, which defines the core RPC layer
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//! used by Substrate nodes. This file extends those RPC definitions with
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//! capabilities that are specific to this project's runtime configuration.
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#![warn(missing_docs)]
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use std::sync::Arc;
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use node_template_runtime::{opaque::Block, AccountId, Balance, Index};
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pub use sc_rpc_api::DenyUnsafe;
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use sc_transaction_pool_api::TransactionPool;
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use sp_api::ProvideRuntimeApi;
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use sp_block_builder::BlockBuilder;
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use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};
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/// Full client dependencies.
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pub struct FullDeps<C, P> {
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/// The client instance to use.
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pub client: Arc<C>,
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/// Transaction pool instance.
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pub pool: Arc<P>,
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/// Whether to deny unsafe calls
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pub deny_unsafe: DenyUnsafe,
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}
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/// Instantiate all full RPC extensions.
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pub fn create_full<C, P>(deps: FullDeps<C, P>) -> jsonrpc_core::IoHandler<sc_rpc::Metadata>
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where
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C: ProvideRuntimeApi<Block>,
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C: HeaderBackend<Block> + HeaderMetadata<Block, Error = BlockChainError> + 'static,
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C: Send + Sync + 'static,
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C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>,
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C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,
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C::Api: BlockBuilder<Block>,
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P: TransactionPool + 'static,
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{
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use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};
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use substrate_frame_rpc_system::{FullSystem, SystemApi};
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let mut io = jsonrpc_core::IoHandler::default();
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let FullDeps { client, pool, deny_unsafe } = deps;
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io.extend_with(SystemApi::to_delegate(FullSystem::new(client.clone(), pool, deny_unsafe)));
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io.extend_with(TransactionPaymentApi::to_delegate(TransactionPayment::new(client.clone())));
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// Extend this RPC with a custom API by using the following syntax.
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// `YourRpcStruct` should have a reference to a client, which is needed
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// to call into the runtime.
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// `io.extend_with(YourRpcTrait::to_delegate(YourRpcStruct::new(ReferenceToClient, ...)));`
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io
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}
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