Files
nofx/telegram/agent/apicall.go
tinkle-community 3168a18c0d feat(telegram): add AI agent bot with streaming and account context
- Add Telegram bot with long-polling and AI agent loop (api_call tool)
- SSE streaming with real-time message editing and  placeholder
- Account state injection at conversation start (models, exchanges,
  strategies, traders, per-trader PnL and statistics)
- Lane semaphore per chat serializes concurrent messages (60s timeout)
- Idle timeout watchdog (60s) prevents hung streaming connections
- Look-ahead buffer prevents partial <api_call> tag leaking to user
- Fix PUT /strategies/:id to merge config (read-then-merge pattern)
- Add route registry with full API schema for LLM documentation
- Add TelegramConfig store and Web UI config modal
- Add GetAnyEnabled to AIModel store for bot LLM client selection
2026-03-08 00:19:38 +08:00

110 lines
2.8 KiB
Go

package agent
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"nofx/logger"
"strings"
"time"
)
// apiCallTool executes HTTP requests against the NOFX API server.
// This is the only tool available to the agent.
type apiCallTool struct {
baseURL string
token string
client *http.Client
}
// apiRequest is the parsed structure from the LLM's <api_call> tag.
type apiRequest struct {
Method string `json:"method"`
Path string `json:"path"`
Body map[string]any `json:"body"`
}
func newAPICallTool(port int, token string) *apiCallTool {
return &apiCallTool{
baseURL: fmt.Sprintf("http://127.0.0.1:%d", port),
token: token,
client: &http.Client{Timeout: 30 * time.Second},
}
}
// execute calls the API and returns the response as a string for LLM consumption.
func (t *apiCallTool) execute(req *apiRequest) string {
if req.Method == "" || req.Path == "" {
return "error: method and path are required"
}
if !strings.HasPrefix(req.Path, "/") {
req.Path = "/" + req.Path
}
var bodyReader io.Reader
if req.Method != "GET" && len(req.Body) > 0 {
b, err := json.Marshal(req.Body)
if err != nil {
return fmt.Sprintf("error marshaling body: %v", err)
}
bodyReader = bytes.NewReader(b)
}
httpReq, err := http.NewRequest(req.Method, t.baseURL+req.Path, bodyReader)
if err != nil {
return fmt.Sprintf("error creating request: %v", err)
}
httpReq.Header.Set("Content-Type", "application/json")
httpReq.Header.Set("Authorization", "Bearer "+t.token)
resp, err := t.client.Do(httpReq)
if err != nil {
return fmt.Sprintf("API call failed: %v", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Sprintf("error reading response: %v", err)
}
logger.Infof("Agent api_call: %s %s -> %d", req.Method, req.Path, resp.StatusCode)
if resp.StatusCode >= 400 {
return fmt.Sprintf("API error %d: %s", resp.StatusCode, string(body))
}
// Pretty-print JSON for better LLM readability
var v any
if json.Unmarshal(body, &v) == nil {
if pretty, err := json.MarshalIndent(v, "", " "); err == nil {
return string(pretty)
}
}
return string(body)
}
// parseAPICall extracts <api_call>...</api_call> from LLM response.
// Returns (nil, original) if not found or malformed JSON.
func parseAPICall(resp string) (*apiRequest, string) {
const openTag = "<api_call>"
const closeTag = "</api_call>"
start := strings.Index(resp, openTag)
end := strings.Index(resp, closeTag)
if start < 0 || end < 0 || end <= start {
return nil, resp
}
jsonStr := strings.TrimSpace(resp[start+len(openTag) : end])
var req apiRequest
if err := json.Unmarshal([]byte(jsonStr), &req); err != nil {
logger.Warnf("Agent: failed to parse api_call JSON %q: %v", jsonStr, err)
return nil, resp
}
return &req, strings.TrimSpace(resp[:start])
}