Sync history chart data

SyncChartData

Description:
Requests historical candle data from the selected feeder and imports it into the server.

The method supports two modes:

• single-symbol sync when symbol is provided
• group sync when symbol is omitted, using all symbols from sec_index

The history window is generated by the server automatically as the last 4 years unless from and to are passed explicitly.

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Access Control

🛡️ Access Level Required: SESSION_ADMIN, SESSION_MANAGER, SESSION_DEALER

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Parameters

Name	Type	Required	Description
index	int	✅	Feeder index (0-200)
flushData	int	✅	Import mode: 0 = replace only the imported time range, 1 = full overwrite
sec_index	int	✅	Security group index used when syncing a symbols list
symbol	string	No	Internal symbol name for single-symbol sync
from	int64	No	Start of sync range as Unix timestamp in seconds
to	int64	No	End of sync range as Unix timestamp in seconds

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Behavior

Single symbol mode

If symbol is provided:

• the server resolves the symbol through SymbolManager
• if the symbol has a non-empty source, the feeder receives source instead of the internal symbol name
• feeder action is set to GetHistoryBySymbol

Group mode

If symbol is not provided:

• the server loads all symbols from sec_index
• for each symbol, source is used when available, otherwise the symbol name is used
• feeder action is set to GetHistoryBySymbolsList

Time range

The server builds the sync window as follows:

• if from and to are provided, those values are forwarded to the feeder
• otherwise to = current server time
• otherwise from = current server time minus 4 years

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Response

Field	Type	Description
data	string	Returns "OK" on success

Example Successful Response

{
  "data": "OK"
}

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Errors

Code	Description
400	Invalid request data or feeder sync failed
401	Symbol or security group not found

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Example Request

{
  "index": 1,
  "flushData": 0,
  "sec_index": 2,
  "symbol": "EURUSD",
  "from": 1712448000,
  "to": 1775510400
}

Notes

• flushData = 0 does not append blindly; it replaces the imported time range in local history
• flushData = 1 rewrites the full local candle store for the target import
• for single-symbol sync, sec_index is still validated by the current server implementation and should be sent
• from and to are optional, but if only one of them is omitted the other one is combined with the server-side default