# Get Industrial Chain Detail

Python
Proto
C#
Java
C++
JavaScript

get_industrial_chain_detail(chain_id)

Description

Get industrial chain detail, returning the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

Parameter Type Description

chain_id int Industrial chain ID

Return

Parameter	Type	Description
ret	RET_CODE	API call result
data	dict	When ret == RET_OK, returns dict data
data	str	When ret != RET_OK, returns error description

Data format:

Field	Type	Description
chain_id	int	Industrial chain ID
chain_type	str	Industrial chain type ("CHAIN"/"PARALLEL"/"UP_MID_DOWN")
name	str	Industrial chain name
node_list	list[dict]	Node list (grouped by level)
information_list	list[dict]	News link list
node_id	int	Node ID
parent_node_id	int	Parent node ID (root node is 0)
layer	int	Node level (starting from 1)
name	str	Node name
plate_id	int	Associated industrial plate ID (N/A if none)
title	str	News title
url	str	News link

Example

from futu import *

quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)

ret, data = quote_ctx.get_industrial_chain_detail(chain_id=9610020)
if ret == RET_OK:
    print(f"chain_id: {data['chain_id']}")
    print(f"chain_type: {data['chain_type']}")
    print(f"name: {data['name']}")
    print(f"node_list (first 2 items):")
    for node in data['node_list'][:2]:
        print(f"  {node}")
    print(f"information_list: {data['information_list']}")
else:
    print('error:', data)

quote_ctx.close()

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Output

chain_id: 9610020
chain_type: UP_MID_DOWN
name: AI
node_list (first 2 items):
  {'node_id': 1, 'parent_node_id': 'N/A', 'layer': 1, 'name': '基础建设层', 'plate_id': 'N/A'}
  {'node_id': 4, 'parent_node_id': 'N/A', 'layer': 1, 'name': '算法层', 'plate_id': 'N/A'}
information_list: []

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# Qot_GetIndustrialChainDetail.proto

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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Protocol ID

3428

uint GetIndustrialChainDetail(Qot_GetIndustrialChainDetail.Request req);
virtual void OnReply_GetIndustrialChainDetail(FTAPI_Conn client, uint nSerialNo, Qot_GetIndustrialChainDetail.Response rsp);

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

public class Program : FTSPI_Qot, FTSPI_Conn {
    FTAPI_Qot qot = new FTAPI_Qot();

    public Program() {
        qot.SetClientInfo("csharp", 1);  //设置客户端信息
        qot.SetConnCallback(this);  //设置连接回调
        qot.SetQotCallback(this);   //设置行情回调
    }

    public void Start() {
        qot.InitConnect("127.0.0.1", (ushort)11111, false);
    }

    public void OnInitConnect(FTAPI_Conn client, long errCode, String desc)
    {
        Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}
", errCode, desc, client.GetConnectID());
        if (errCode != 0)
            return;

        QotGetIndustrialChainDetail.C2S c2s = QotGetIndustrialChainDetail.C2S.CreateBuilder()
                .SetChainId(9610020)
            .Build();
        QotGetIndustrialChainDetail.Request req = QotGetIndustrialChainDetail.Request.CreateBuilder().SetC2S(c2s).Build();
        uint seqNo = qot.GetIndustrialChainDetail(req);
        Console.Write("Send QotGetIndustrialChainDetail: {0}
", seqNo);
    }

    public void OnDisconnect(FTAPI_Conn client, long errCode) {
        Console.Write("Qot onDisConnect: {0}
", errCode);
    }

    public void OnReply_GetIndustrialChainDetail(FTAPI_Conn client, uint nSerialNo, QotGetIndustrialChainDetail.Response rsp)
    {
        Console.Write("Reply: QotGetIndustrialChainDetail: {0}
", nSerialNo);
        if (rsp.RetType == 0 && rsp.HasS2C)
            Console.Write("{0}
", rsp.ToString());
    }

    public static void Main(String[] args) {
        FTAPI.Init();
        Program program = new Program();
        program.Start();

        while (true)
            Thread.Sleep(1000 * 600);
    }
}

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Output

Send QotGetIndustrialChainDetail: 3
Reply: QotGetIndustrialChainDetail: 3
GetIndustrialChainDetail: errCode 0, retMsg , retType 0
{
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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int getIndustrialChainDetail(Qot_GetIndustrialChainDetail.Request req);
onReply_GetIndustrialChainDetail(FTAPI_Conn client, int nSerialNo, Qot_GetIndustrialChainDetail.Response rsp)

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

public class QotDemo implements FTSPI_Qot, FTSPI_Conn {
    FTAPI_Conn_Qot qot = new FTAPI_Conn_Qot();

    public QotDemo() {
        qot.setClientInfo("javaclient", 1);  //设置客户端信息
        qot.setConnSpi(this);  //设置连接回调
        qot.setQotSpi(this);   //设置行情回调
    }

    public void start() {
        qot.initConnect("127.0.0.1", (short)11111, false);
    }

    @Override
    public void onInitConnect(FTAPI_Conn client, long errCode, String desc)
    {
        System.out.printf("Qot onInitConnect: ret=%d desc=%s connID=%d
", errCode, desc, client.getConnectID());
        if (errCode != 0)
            return;

        QotGetIndustrialChainDetail.C2S c2s = QotGetIndustrialChainDetail.C2S.newBuilder()
                .setChainId(9610020)
            .build();
        QotGetIndustrialChainDetail.Request req = QotGetIndustrialChainDetail.Request.newBuilder().setC2S(c2s).build();
        int seqNo = qot.getIndustrialChainDetail(req);
        System.out.printf("Send QotGetIndustrialChainDetail: %d
", seqNo);
    }

    @Override
    public void onDisconnect(FTAPI_Conn client, long errCode) {
        System.out.printf("Qot onDisConnect: %d
", errCode);
    }

    @Override
    public void onReply_GetIndustrialChainDetail(FTAPI_Conn client, int nSerialNo, QotGetIndustrialChainDetail.Response rsp) {
        if (rsp.getRetType() != 0) {
            System.out.printf("QotGetIndustrialChainDetail failed: %s
", rsp.getRetMsg());
        } else {
            try {
                String json = JsonFormat.printer().print(rsp);
                System.out.printf("Receive QotGetIndustrialChainDetail: %s
", json);
            } catch (InvalidProtocolBufferException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        FTAPI.init();
        QotDemo qot = new QotDemo();
        qot.start();

        while (true) {
            try {
                Thread.sleep(1000 * 600);
            } catch (InterruptedException exc) {

            }
        }
    }
}

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Output

Send QotGetIndustrialChainDetail: 3
Receive QotGetIndustrialChainDetail: {
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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Futu::u32_t GetIndustrialChainDetail(const Qot_GetIndustrialChainDetail::Request &stReq); virtual void OnReply_GetIndustrialChainDetail(Futu::u32_t nSerialNo, const Qot_GetIndustrialChainDetail::Response &stRsp) = 0;

Description

Protocol request and response definition
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

class Program : public FTSPI_Qot, public FTSPI_Conn
{
public:
    Program() {
        m_pQotApi = FTAPI::CreateQotApi();
        m_pQotApi->RegisterQotSpi(this);
        m_pQotApi->RegisterConnSpi(this);
    }

    ~Program() {
        if (m_pQotApi != nullptr) {
            m_pQotApi->UnregisterQotSpi();
            m_pQotApi->UnregisterConnSpi();
            FTAPI::ReleaseQotApi(m_pQotApi);
            m_pQotApi = nullptr;
        }
    }

    void Start() {
        m_pQotApi->InitConnect("127.0.0.1", 11111, false);
    }

    virtual void OnInitConnect(FTAPI_Conn* pConn, Futu::i64_t nErrCode, const char* strDesc) {
        Qot_GetIndustrialChainDetail::Request req;
        Qot_GetIndustrialChainDetail::C2S *c2s = req.mutable_c2s();
        c2s->set_chainid(1234);  // example chain ID, obtain from GetIndustrialChainList
        m_GetIndustrialChainDetailSerialNo = m_pQotApi->GetIndustrialChainDetail(req);
    }

    virtual void OnReply_GetIndustrialChainDetail(Futu::u32_t nSerialNo, const Qot_GetIndustrialChainDetail::Response &stRsp) {
        if (nSerialNo != m_GetIndustrialChainDetailSerialNo) return;
        string resp_str;
        ProtoBufToBodyData(stRsp, resp_str);
        cout << UTF8ToLocal(resp_str) << endl;
    }

protected:
    FTAPI_Qot *m_pQotApi;
    Futu::u32_t m_GetIndustrialChainDetailSerialNo = 0;
};

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Output

{
 "retType": 0,
 "retMsg": "",
 "errCode": 0,
 "s2c": {
  "chainId": 1001,
  "chainType": 1,
  "name": "AI Supply Chain",
  "nodeList": [
   {
    "nodeName": "AI Chips",
    "stockCount": 25
   }
  ]
 }
}

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getIndustrialChainDetail(qotGetIndustrialChainDetail)

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

import ftWebsocket from "futu-api";
import { Common, Qot_Common } from "futu-api/proto";
import beautify from "js-beautify";

function QotGetIndustrialChainDetail(){
    const { RetType } = Common
    let [addr, port, enable_ssl, key] = ["127.0.0.1", 11111, false, "xxxxxx"];
    let websocket = new ftWebsocket();

    websocket.onlogin = (ret, msg)=>{
        if (ret) {
            const req = {
                c2s: { chainId: 9610020 },
            };
            websocket.GetIndustrialChainDetail(req)
            .then((res)=>{
                let { errCode, retMsg, retType, s2c } = res
                console.log("GetIndustrialChainDetail: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
                if(retType == RetType.RetType_Succeed){
                    let data = beautify(JSON.stringify(s2c), { indent_size: 2, space_in_empty_paren: true });
                    console.log(data);
                }
            })
            .catch((error)=>{ console.log("error:", error); });
        } else {
            console.log("start error", msg);
        }
    };

    websocket.start(addr, port, enable_ssl, key);
    setTimeout(()=>{ websocket.stop(); process.exit(); }, 5000);
}

QotGetIndustrialChainDetail()

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Output

GetIndustrialChainDetail: errCode 0, retMsg , retType 0
{
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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API Limits

Maximum 60 requests within 30 seconds
Only the first page of paginated requests counts towards rate limiting

Python
Proto
C#
Java
C++
JavaScript

get_industrial_chain_detail(chain_id)

Description

Get industrial chain detail, returning the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

Parameter Type Description

chain_id int Industrial chain ID

Return

Parameter	Type	Description
ret	RET_CODE	API call result
data	dict	When ret == RET_OK, returns dict data
data	str	When ret != RET_OK, returns error description

Data format:

Field	Type	Description
chain_id	int	Industrial chain ID
chain_type	str	Industrial chain type ("CHAIN"/"PARALLEL"/"UP_MID_DOWN")
name	str	Industrial chain name
node_list	list[dict]	Node list (grouped by level)
information_list	list[dict]	News link list
node_id	int	Node ID
parent_node_id	int	Parent node ID (root node is 0)
layer	int	Node level (starting from 1)
name	str	Node name
plate_id	int	Associated industrial plate ID (N/A if none)
title	str	News title
url	str	News link

Example

from futu import *

quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)

ret, data = quote_ctx.get_industrial_chain_detail(chain_id=9610020)
if ret == RET_OK:
    print(f"chain_id: {data['chain_id']}")
    print(f"chain_type: {data['chain_type']}")
    print(f"name: {data['name']}")
    print(f"node_list (first 2 items):")
    for node in data['node_list'][:2]:
        print(f"  {node}")
    print(f"information_list: {data['information_list']}")
else:
    print('error:', data)

quote_ctx.close()

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Output

chain_id: 9610020
chain_type: UP_MID_DOWN
name: AI
node_list (first 2 items):
  {'node_id': 1, 'parent_node_id': 'N/A', 'layer': 1, 'name': '基础建设层', 'plate_id': 'N/A'}
  {'node_id': 4, 'parent_node_id': 'N/A', 'layer': 1, 'name': '算法层', 'plate_id': 'N/A'}
information_list: []

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# Qot_GetIndustrialChainDetail.proto

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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Protocol ID

3428

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

public class Program : MMSPI_Qot, MMSPI_Conn {
    MMAPI_Qot qot = new MMAPI_Qot();

    public Program() {
        qot.SetClientInfo("csharp", 1);  //设置客户端信息
        qot.SetConnCallback(this);  //设置连接回调
        qot.SetQotCallback(this);   //设置行情回调
    }

    public void Start() {
        qot.InitConnect("127.0.0.1", (ushort)11111, false);
    }

    public void OnInitConnect(MMAPI_Conn client, long errCode, String desc)
    {
        Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}
", errCode, desc, client.GetConnectID());
        if (errCode != 0)
            return;

        QotGetIndustrialChainDetail.C2S c2s = QotGetIndustrialChainDetail.C2S.CreateBuilder()
                .SetChainId(9610020)
            .Build();
        QotGetIndustrialChainDetail.Request req = QotGetIndustrialChainDetail.Request.CreateBuilder().SetC2S(c2s).Build();
        uint seqNo = qot.GetIndustrialChainDetail(req);
        Console.Write("Send QotGetIndustrialChainDetail: {0}
", seqNo);
    }

    public void OnDisconnect(MMAPI_Conn client, long errCode) {
        Console.Write("Qot onDisConnect: {0}
", errCode);
    }

    public void OnReply_GetIndustrialChainDetail(MMAPI_Conn client, uint nSerialNo, QotGetIndustrialChainDetail.Response rsp)
    {
        Console.Write("Reply: QotGetIndustrialChainDetail: {0}
", nSerialNo);
        if (rsp.RetType == 0 && rsp.HasS2C)
            Console.Write("{0}
", rsp.ToString());
    }

    public static void Main(String[] args) {
        MMAPI.Init();
        Program program = new Program();
        program.Start();

        while (true)
            Thread.Sleep(1000 * 600);
    }
}

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Output

Send QotGetIndustrialChainDetail: 3
Reply: QotGetIndustrialChainDetail: 3
GetIndustrialChainDetail: errCode 0, retMsg , retType 0
{
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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int getIndustrialChainDetail(Qot_GetIndustrialChainDetail.Request req);
onReply_GetIndustrialChainDetail(FTAPI_Conn client, int nSerialNo, Qot_GetIndustrialChainDetail.Response rsp)

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

public class QotDemo implements MMSPI_Qot, MMSPI_Conn {
    MMAPI_Conn_Qot qot = new MMAPI_Conn_Qot();

    public QotDemo() {
        qot.setClientInfo("javaclient", 1);  //设置客户端信息
        qot.setConnSpi(this);  //设置连接回调
        qot.setQotSpi(this);   //设置行情回调
    }

    public void start() {
        qot.initConnect("127.0.0.1", (short)11111, false);
    }

    @Override
    public void onInitConnect(MMAPI_Conn client, long errCode, String desc)
    {
        System.out.printf("Qot onInitConnect: ret=%d desc=%s connID=%d
", errCode, desc, client.getConnectID());
        if (errCode != 0)
            return;

        QotGetIndustrialChainDetail.C2S c2s = QotGetIndustrialChainDetail.C2S.newBuilder()
                .setChainId(9610020)
            .build();
        QotGetIndustrialChainDetail.Request req = QotGetIndustrialChainDetail.Request.newBuilder().setC2S(c2s).build();
        int seqNo = qot.getIndustrialChainDetail(req);
        System.out.printf("Send QotGetIndustrialChainDetail: %d
", seqNo);
    }

    @Override
    public void onDisconnect(MMAPI_Conn client, long errCode) {
        System.out.printf("Qot onDisConnect: %d
", errCode);
    }

    @Override
    public void onReply_GetIndustrialChainDetail(MMAPI_Conn client, int nSerialNo, QotGetIndustrialChainDetail.Response rsp) {
        if (rsp.getRetType() != 0) {
            System.out.printf("QotGetIndustrialChainDetail failed: %s
", rsp.getRetMsg());
        } else {
            try {
                String json = JsonFormat.printer().print(rsp);
                System.out.printf("Receive QotGetIndustrialChainDetail: %s
", json);
            } catch (InvalidProtocolBufferException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        MMAPI.init();
        QotDemo qot = new QotDemo();
        qot.start();

        while (true) {
            try {
                Thread.sleep(1000 * 600);
            } catch (InterruptedException exc) {

            }
        }
    }
}

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Output

Send QotGetIndustrialChainDetail: 3
Receive QotGetIndustrialChainDetail: {
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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moomoo::u32_t GetIndustrialChainDetail(const Qot_GetIndustrialChainDetail::Request &stReq); virtual void OnReply_GetIndustrialChainDetail(moomoo::u32_t nSerialNo, const Qot_GetIndustrialChainDetail::Response &stRsp) = 0;

Description

Protocol request and response definition
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

class Program : public MMSPI_Qot, public MMSPI_Conn
{
public:
    Program() {
        m_pQotApi = MMAPI::CreateQotApi();
        m_pQotApi->RegisterQotSpi(this);
        m_pQotApi->RegisterConnSpi(this);
    }

    ~Program() {
        if (m_pQotApi != nullptr) {
            m_pQotApi->UnregisterQotSpi();
            m_pQotApi->UnregisterConnSpi();
            MMAPI::ReleaseQotApi(m_pQotApi);
            m_pQotApi = nullptr;
        }
    }

    void Start() {
        m_pQotApi->InitConnect("127.0.0.1", 11111, false);
    }

    virtual void OnInitConnect(MMAPI_Conn* pConn, moomoo::i64_t nErrCode, const char* strDesc) {
        Qot_GetIndustrialChainDetail::Request req;
        Qot_GetIndustrialChainDetail::C2S *c2s = req.mutable_c2s();
        c2s->set_chainid(1234);  // example chain ID, obtain from GetIndustrialChainList
        m_GetIndustrialChainDetailSerialNo = m_pQotApi->GetIndustrialChainDetail(req);
    }

    virtual void OnReply_GetIndustrialChainDetail(moomoo::u32_t nSerialNo, const Qot_GetIndustrialChainDetail::Response &stRsp) {
        if (nSerialNo != m_GetIndustrialChainDetailSerialNo) return;
        string resp_str;
        ProtoBufToBodyData(stRsp, resp_str);
        cout << UTF8ToLocal(resp_str) << endl;
    }

protected:
    MMAPI_Qot *m_pQotApi;
    moomoo::u32_t m_GetIndustrialChainDetailSerialNo = 0;
};

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Output

{
 "retType": 0,
 "retMsg": "",
 "errCode": 0,
 "s2c": {
  "chainId": 1001,
  "chainType": 1,
  "name": "AI Supply Chain",
  "nodeList": [
   {
    "nodeName": "AI Chips",
    "stockCount": 25
   }
  ]
 }
}

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getIndustrialChainDetail(qotGetIndustrialChainDetail)

Description

Get industrial chain detail. Returns the complete structural information of the specified industrial chain, including hierarchical node list and related news links.
Parameters

message C2S {
    required int64 chainId = 1;         // Industry chain ID
}

message IndustrialChainNode {
    optional int64 nodeId = 1;              // Node ID
    optional int64 parentNodeId = 2;        // Parent node ID (root node is 0)
    optional int64 layerSth = 3;            // Node level (starting from 1)
    optional string name = 4;               // Node name
    optional int64 plateId = 5;             // Related plate ID (optional)
}

message InformationLink {
    optional string title = 1;          // News title
    optional string url = 2;            // News link
}

message S2C {
    optional int64 chainId = 1;                         // Industry chain ID
    optional int32 chainType = 2;                       // Type
    optional string name = 3;                           // Name
    repeated IndustrialChainNode nodeList = 4;          // Node list (grouped by level)
    repeated InformationLink informationList = 5;       // News link
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400];
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3428
Example

import mmWebsocket from "moomoo-api";
import { Common, Qot_Common } from "moomoo-api/proto";
import beautify from "js-beautify";

function QotGetIndustrialChainDetail(){
    const { RetType } = Common
    let [addr, port, enable_ssl, key] = ["127.0.0.1", 11111, false, "xxxxxx"];
    let websocket = new mmWebsocket();

    websocket.onlogin = (ret, msg)=>{
        if (ret) {
            const req = {
                c2s: { chainId: 9610020 },
            };
            websocket.GetIndustrialChainDetail(req)
            .then((res)=>{
                let { errCode, retMsg, retType, s2c } = res
                console.log("GetIndustrialChainDetail: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
                if(retType == RetType.RetType_Succeed){
                    let data = beautify(JSON.stringify(s2c), { indent_size: 2, space_in_empty_paren: true });
                    console.log(data);
                }
            })
            .catch((error)=>{ console.log("error:", error); });
        } else {
            console.log("start error", msg);
        }
    };

    websocket.start(addr, port, enable_ssl, key);
    setTimeout(()=>{ websocket.stop(); process.exit(); }, 5000);
}

QotGetIndustrialChainDetail()

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Output

GetIndustrialChainDetail: errCode 0, retMsg , retType 0
{
  "chainId": "9610020",
  "name": "AI",
  "chainType": 1,
  "nodeList": [
    { "plateName": "基础建设层", "level": 1 },
    { "plateName": "算法层", "level": 1 },
    { "plateName": "应用层", "level": 1, "plateId": "10010508" }
  ]
}

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API Limits

Maximum 60 requests within 30 seconds
Only the first page of paginated requests counts towards rate limiting

← Get Industrial Chain List Get Industrial Chain By Plate →