Fix pending runtime api

Cargo.toml

@@ -107,6 +107,7 @@ cumulus-primitives-core                    = { git = "https://github.com/darwini
 cumulus-primitives-parachain-inherent      = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2", default-features = false }
 cumulus-primitives-utility                 = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2", default-features = false }
 cumulus-relay-chain-interface              = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2" }
+cumulus-test-relay-sproof-builder          = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2" }
 frame-benchmarking                         = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2", default-features = false }
 frame-benchmarking-cli                     = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2" }
 frame-executive                            = { git = "https://github.com/darwinia-network/polkadot-sdk", branch = "release-polkadot-v1.7.2", default-features = false }

node/Cargo.toml

@@ -56,6 +56,7 @@ cumulus-primitives-aura               = { workspace = true, features = ["std"] }
 cumulus-primitives-core               = { workspace = true, features = ["std"] }
 cumulus-primitives-parachain-inherent = { workspace = true, features = ["std"] }
 cumulus-relay-chain-interface         = { workspace = true }
+cumulus-test-relay-sproof-builder     = { workspace = true }
 frame-benchmarking                    = { workspace = true, optional = true, features = ["std"] }
 frame-benchmarking-cli                = { workspace = true }
 pallet-transaction-payment-rpc        = { workspace = true }

node/src/service/mod.rs

@@ -40,6 +40,9 @@ use futures::FutureExt;
 // darwinia
 use dc_primitives::*;
 // polkadot-sdk
+use cumulus_primitives_core::PersistedValidationData;
+use cumulus_primitives_parachain_inherent::ParachainInherentData;
+use cumulus_test_relay_sproof_builder::RelayStateSproofBuilder;
 use sc_client_api::{Backend, HeaderBackend};
 use sc_consensus::ImportQueue;
 use sc_network::NetworkBlock;
@@ -905,7 +908,19 @@ where
 				*timestamp,
 				slot_duration,
 			);
-			Ok((slot, timestamp))
+			let (relay_parent_storage_root, relay_chain_state) =
+				RelayStateSproofBuilder::default().into_state_root_and_proof();
+			let parachain_inherent_data = ParachainInherentData {
+				validation_data: PersistedValidationData {
+					relay_parent_number: u32::MAX,
+					relay_parent_storage_root,
+					..Default::default()
+				},
+				relay_chain_state,
+				downward_messages: Default::default(),
+				horizontal_messages: Default::default(),
+			};
+			Ok((slot, timestamp, parachain_inherent_data))
 		};
 
 		Box::new(move |deny_unsafe, subscription_task_executor| {

tests/ethereum/test-block.ts

@@ -9,6 +9,17 @@ describe("Test Block RPC", () => {
 		expect(await web3.eth.getBlockNumber()).to.not.equal(0);
 	});
 
+	it("Get block by tags", async () => {
+		let earliest = await web3.eth.getBlock("earliest");
+		expect(earliest.number).to.equal(0);
+
+		let latest = await web3.eth.getBlock("latest");
+		expect(latest.number).to.be.a("number");
+
+		let pending = await web3.eth.getBlock("pending");
+		expect(pending.number).to.be.a("number");
+	});
+
 	it("Get block by hash", async () => {
 		let latest_block = await web3.eth.getBlock("latest");
 		let block = await web3.eth.getBlock(latest_block.hash);