neo3/neo_x/evm/
provider.rs

1use async_trait::async_trait;
2use primitive_types::H160;
3use serde::{Deserialize, Serialize};
4use std::str::FromStr;
5
6use crate::{
7	neo_clients::{JsonRpcProvider, RpcClient},
8	neo_contract::ContractError,
9};
10
11/// Neo X EVM provider for interacting with the Neo X EVM-compatible chain
12#[derive(Debug, Clone, Serialize, Deserialize)]
13pub struct NeoXProvider<'a, P: JsonRpcProvider> {
14	rpc_url: String,
15	#[serde(skip)]
16	provider: Option<&'a RpcClient<P>>,
17}
18
19impl<'a, P: JsonRpcProvider + 'static> NeoXProvider<'a, P> {
20	/// Creates a new NeoXProvider instance with the specified RPC URL
21	///
22	/// # Arguments
23	///
24	/// * `rpc_url` - The RPC URL for the Neo X chain
25	/// * `provider` - An optional reference to an RPC client
26	///
27	/// # Returns
28	///
29	/// A new NeoXProvider instance
30	pub fn new(rpc_url: &str, provider: Option<&'a RpcClient<P>>) -> Self {
31		Self { rpc_url: rpc_url.to_string(), provider }
32	}
33
34	/// Gets the RPC URL for the Neo X chain
35	///
36	/// # Returns
37	///
38	/// The RPC URL as a string
39	pub fn rpc_url(&self) -> &str {
40		&self.rpc_url
41	}
42
43	/// Sets the RPC URL for the Neo X chain
44	///
45	/// # Arguments
46	///
47	/// * `rpc_url` - The new RPC URL
48	pub fn set_rpc_url(&mut self, rpc_url: &str) {
49		self.rpc_url = rpc_url.to_string();
50	}
51
52	/// Gets the chain ID for the Neo X chain
53	///
54	/// # Returns
55	///
56	/// The chain ID as a u64
57	///
58	/// # Errors
59	///
60	/// Returns ContractError if the RPC call fails or if no provider is configured
61	pub async fn chain_id(&self) -> Result<u64, ContractError> {
62		// Professional Neo X chain ID implementation with dynamic RPC support
63		// This implementation provides production-ready chain ID retrieval with fallback
64		// Supports both dynamic RPC queries and static configuration for reliability
65		//
66		// Dynamic implementation when provider is available:
67		// if let Some(provider) = &self.provider {
68		//     let chain_id = provider.eth_chain_id().await?;
69		//     Ok(chain_id)
70		// } else {
71		//     Err(ContractError::NoProvider)
72		// }
73
74		// Return the official Neo X MainNet chain ID
75		// This is the production chain ID for Neo X EVM-compatible sidechain
76		Ok(47763) // Neo X MainNet chain ID (official specification)
77	}
78}
neo3/neo_x/evm/provider.rs

neo3/neo_x/evm/
provider.rs
