From 0310f3ee07e390a865c2c52373918c1f9b9f909a Mon Sep 17 00:00:00 2001
From: Fred <fred@zklink.org>
Date: Fri, 13 Oct 2023 10:50:52 +0800
Subject: [PATCH] support ETH query for RPC, add getway list query response and
 rpc interface(fix #8)

---
 provider/src/response.rs | 69 ++++++++++++++++++++++++++++++++++++++++
 provider/src/rpc.rs      |  3 ++
 2 files changed, 72 insertions(+)

diff --git a/provider/src/response.rs b/provider/src/response.rs
index a339ca32..90e4726d 100644
--- a/provider/src/response.rs
+++ b/provider/src/response.rs
@@ -281,3 +281,72 @@ pub struct ZkLinkTxHistory {
     pub tx_receipt: TxReceiptResp,
     pub created_at: DateTime<Utc>,
 }
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct EthPropertyResp {
+    gateways: Vec<GetWayInfo>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct GetWayInfo {
+    chain_id: ChainId,
+    l1_gateway_contract: ZkLinkAddress,
+    l2_gateway_contract: ZkLinkAddress,
+    tokens: Vec<TokenInfo>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct TokenInfo {
+    token_id: TokenId,
+    token_address: ZkLinkAddress,
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_rpc_response() {
+        let s = r#" {
+	"gateways": [
+		{
+			"chainId": 5,
+			"l1GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
+			"l2GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
+			"tokens": [
+				{
+					"tokenId": 1,
+					"tokenAddress":"0xffffffffffffffffffffffffffffffffffffffff"
+				},
+				{
+					"tokenId": 3,
+					"tokenAddress":"0xffffffffffffffffffffffffffffffffffffffff"
+				}
+			]
+		},
+		{
+			"chainId": 7,
+			"l1GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
+			"l2GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
+			"tokens": [
+				{
+					"tokenId": 1,
+					"tokenAddress":"0xffffffffffffffffffffffffffffffffffffffff"
+				},
+				{
+					"tokenId": 3,
+					"tokenAddress":"0xffffffffffffffffffffffffffffffffffffffff"
+				}
+			]
+		}
+	]
+}
+        "#;
+        let resp: Result<EthPropertyResp, _> = serde_json::from_str(s);
+        println!("{:?}", resp);
+        assert!(resp.is_ok());
+    }
+}
diff --git a/provider/src/rpc.rs b/provider/src/rpc.rs
index 6e723114..4e020cc8 100644
--- a/provider/src/rpc.rs
+++ b/provider/src/rpc.rs
@@ -94,6 +94,9 @@ pub trait ZkLinkRpc {
         max_txs: u32,
     ) -> RpcResult<Vec<FastWithdrawTxResp>>;
 
+    #[method(name = "getEthProperty")]
+    async fn query_getway_list(&self) -> RpcResult<EthPropertyResp>;
+
     #[method(name = "pullForwardTxs")]
     async fn pull_forward_txs(
         &self,