feat(bithumb): Implement new private WebSocket API #27138
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This commit migrates Bithumb to its new private WebSocket system, enabling support for real-time private data feeds. The implementation includes: - `watchBalance` and `handleBalance` for streaming user balances. - `watchOrders` and `handleOrders` for streaming user orders. - A new `authenticate` method to handle the required authentication flow. Authentication is performed by generating a JWT token (HMAC-SHA256) using the `apiKey`, `nonce`, and `timestamp`. This token is then passed in the `authorization` header during the initial WebSocket connection handshake, aligning with the exchange's new specification. Closes: ccxt#26971
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Tested by real transaction. Output for watchBalance {
"KRW": {
"free": 9308.56,
"used": 0,
"total": 9308.56
},
"info": {
"type": "myAsset",
"assets": [
{
"currency": "KRW",
"balance": "9308.56",
"locked": "0"
}
],
"asset_timestamp": 1761407594693,
"timestamp": 1761407594696,
"stream_type": "REALTIME"
},
"timestamp": 1761407594696,
"datetime": "2025-10-25T15:53:14.696Z",
"free": {
"KRW": 9308.56
},
"used": {
"KRW": 0
},
"total": {
"KRW": 9308.56
}
}Output for watchOrders [
{
"info": {
"type": "myOrder",
"code": "KRW-BTC",
"uuid": "C0101000002528135742",
"ask_bid": "ASK",
"order_type": "limit",
"state": "cancel",
"trade_uuid": null,
"price": 207598000,
"volume": 0.00004433,
"remaining_volume": 0.00004433,
"executed_volume": 0,
"trades_count": 0,
"reserved_fee": 0,
"remaining_fee": 0,
"paid_fee": 0,
"executed_funds": 0,
"trade_timestamp": null,
"order_timestamp": 1761411220517,
"timestamp": 1761411248998,
"stream_type": "REALTIME"
},
"id": "C0101000002528135742",
"timestamp": 1761411220517,
"datetime": "2025-10-25T16:53:40.517Z",
"symbol": "KRW-BTC",
"type": "limit",
"side": "sell",
"price": 207598000,
"amount": 0.00004433,
"cost": 0,
"filled": 0,
"remaining": 0.00004433,
"status": "canceled",
"fee": {
"cost": "0"
},
"trades": [],
"fees": [
{
"cost": 0
}
]
}
] |
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This commit migrates Bithumb to its new private WebSocket system, enabling support for real-time private data feeds.
The implementation includes:
watchBalanceandhandleBalancefor streaming user balances.watchOrdersandhandleOrdersfor streaming user orders.authenticatemethod to handle the required authentication flow.Authentication is performed by generating a JWT token (HMAC-SHA256) using the
apiKey,nonce, andtimestamp. This token is then passed in theauthorizationheader during the initial WebSocket connection handshake, aligning with the exchange's specification.#26971