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// --- crates.io --- use serde::Serialize; use serde_json::{json, Value}; // --- subrpcer --- use crate::{rpc, DEFAULT_ID}; #[subrpcer_impl::rpc] pub fn get_block_hash(block_number: impl Serialize) -> Value { rpc(DEFAULT_ID, "chain_getBlockHash", json!([block_number])) }