{
  "report": "okx-order-support-plan",
  "scope": "static implementation plan only; no OKX request, no order, no cancel",
  "readiness_gap": "ETH-focused quasi-live portfolio needs a full order lifecycle before any submit-capable runner is valid.",
  "source_files_checked": [
    {
      "path": "okx_codex_trader/okx_client.py",
      "facts": [
        "Signed _request already supports GET/POST with params/json_body.",
        "place_order is a single-order submitter.",
        "place_order emits ordType=market or ordType=limit only.",
        "No batch-orders, orders-pending, cancel-order, order status, or fills method exists.",
        "get_positions reads exchange positions but is not tied to portfolio-owned state."
      ]
    },
    {
      "path": "tests/test_okx_client.py",
      "facts": [
        "DummySession records request path/body and can support endpoint-level client tests.",
        "Existing tests cover request signing, live/demo header, contract sizing, leverage validation, single order payload, and position parsing.",
        "No tests cover post_only payloads, batch payloads, order list/cancel/status/fills, or state persistence."
      ]
    },
    {
      "path": "okx_codex_trader/cli.py",
      "facts": [
        "okx-account is read-only and returns balance plus positions.",
        "okx-order is submit-capable and calls place_order.",
        "No read-only ETH order-intent/state command exists.",
        "No quasi-live state path or append-only lifecycle log is wired."
      ]
    }
  ],
  "official_okx_api_surface": [
    {
      "capability": "single post-only limit order payload",
      "endpoint": "POST /api/v5/trade/order",
      "boundary": "submit-capable only after read-only payload rendering is tested",
      "required_fields": [
        "instId",
        "tdMode",
        "side",
        "posSide",
        "ordType",
        "px",
        "sz",
        "clOrdId"
      ],
      "fixed_eth_values": {
        "instId": "ETH-USDT-SWAP",
        "tdMode": "isolated",
        "side": "buy",
        "posSide": "long",
        "ordType": "post_only"
      }
    },
    {
      "capability": "batch entry orders",
      "endpoint": "POST /api/v5/trade/batch-orders",
      "boundary": "submit-capable; read-only stage renders the exact array only",
      "required_shape": "list of three post_only entry payloads with deterministic clOrdId values"
    },
    {
      "capability": "list open orders",
      "endpoint": "GET /api/v5/trade/orders-pending",
      "boundary": "read-only",
      "minimum_params": {
        "instType": "SWAP",
        "instId": "ETH-USDT-SWAP"
      }
    },
    {
      "capability": "cancel open order",
      "endpoint": "POST /api/v5/trade/cancel-order",
      "boundary": "submit-capable; read-only stage renders cancel intents only",
      "required_fields": [
        "instId",
        "ordId or clOrdId"
      ]
    },
    {
      "capability": "cancel open orders in batch",
      "endpoint": "POST /api/v5/trade/cancel-batch-orders",
      "boundary": "submit-capable; read-only stage renders cancel intent array only",
      "required_shape": "list of tracked open order ids for ETH strategy-owned orders"
    },
    {
      "capability": "order status",
      "endpoint": "GET /api/v5/trade/order",
      "boundary": "read-only",
      "minimum_params": {
        "instId": "ETH-USDT-SWAP",
        "ordId_or_clOrdId": "tracked order identity"
      }
    },
    {
      "capability": "recent fills",
      "endpoint": "GET /api/v5/trade/fills",
      "boundary": "read-only",
      "minimum_params": {
        "instType": "SWAP",
        "instId": "ETH-USDT-SWAP"
      }
    }
  ],
  "state_persistence": {
    "boundary": "local read/write only; not an OKX API call",
    "minimum_file": "state/eth_robust_twap_15m_live.json",
    "fields": [
      "strategy_id",
      "symbol",
      "bar",
      "td_mode",
      "pos_side",
      "leverage",
      "last_confirmed_candle_ts",
      "last_signal_candle_ts",
      "orders",
      "fills",
      "position",
      "planned_margin_usdt",
      "max_margin_usdt",
      "updated_at"
    ],
    "event_log": "append-only JSONL for signal, order-intent, cancel-intent, order-status, fills, and state-transition events"
  },
  "minimum_patch_plan_by_file": [
    {
      "file": "okx_codex_trader/okx_client.py",
      "patch_plan": [
        "Add small dataclasses or typed dicts only if needed by return values: OkxOrder, OkxFill, OkxOrderAck.",
        "Add render_post_only_limit_order_payload(...) as a non-submitting function using existing _format_number and build_contract_size.",
        "Add render_eth_entry_batch_payloads(...) that returns exactly three post_only payloads for offsets 0.003, 0.006, 0.009.",
        "Add list_open_orders(symbol) calling GET /api/v5/trade/orders-pending with instType=SWAP and instId=symbol.",
        "Add get_order(symbol, ord_id=None, client_order_id=None) calling GET /api/v5/trade/order.",
        "Add list_fills(symbol) calling GET /api/v5/trade/fills with instType=SWAP and instId=symbol.",
        "Add cancel_order(symbol, ord_id=None, client_order_id=None) and cancel_batch_orders(symbol, order_ids) only when moving past read-only intent.",
        "Do not change existing place_order semantics for the first patch; it is not suitable for the ETH portfolio lifecycle."
      ]
    },
    {
      "file": "okx_codex_trader/cli.py",
      "patch_plan": [
        "Add read-only eth-robust-twap-order-intent command that prints signal, three entry payloads, expiry, and state transition preview.",
        "Add read-only eth-robust-twap-open-orders command that lists current OKX pending orders for ETH-USDT-SWAP.",
        "Add read-only eth-robust-twap-reconcile command that reads state, queries open orders/status/fills, and writes a new local state snapshot plus JSONL audit event.",
        "Keep okx-order unchanged and do not route portfolio intents through it.",
        "Only after read-only commands pass tests, add explicit submit commands for batch entry and cancellation."
      ]
    },
    {
      "file": "tests/test_okx_client.py",
      "patch_plan": [
        "Add tests for post_only payload shape: ETH-USDT-SWAP, isolated, buy, long, post_only, px, sz, deterministic clOrdId.",
        "Add tests for batch payload shape: exactly three orders, offsets 0.003/0.006/0.009, each level sized independently and rounded to lotSz.",
        "Add tests for GET /api/v5/trade/orders-pending params and normalized open-order state values.",
        "Add tests for POST /api/v5/trade/cancel-order and /cancel-batch-orders request bodies before enabling submit commands.",
        "Add tests for GET /api/v5/trade/order by ordId and by clOrdId.",
        "Add tests for GET /api/v5/trade/fills parsing fillSz, fillPx, tradeId, ordId, clOrdId, fee, and fillTime.",
        "Add tests that malformed OKX lifecycle payloads raise the existing stable invalid-payload error."
      ]
    },
    {
      "file": "new okx_codex_trader/eth_robust_twap_state.py",
      "patch_plan": [
        "Add only the dedicated state schema and load/save functions needed by the ETH quasi-live lifecycle.",
        "Persist exchange order ids, client order ids, fills, position, last confirmed candle, active state, and audit cursor.",
        "Reject state whose symbol/bar/strategy_id does not match the command arguments."
      ]
    },
    {
      "file": "new tests/test_eth_robust_twap_state.py",
      "patch_plan": [
        "Add load empty state test.",
        "Add save/read roundtrip for one signal with three open orders and one partial fill.",
        "Add state mismatch rejection tests for symbol, bar, and strategy_id."
      ]
    }
  ],
  "readonly_boundary": [
    "Render post_only single and batch order payloads without calling POST /api/v5/trade/order or /batch-orders.",
    "Read account balance, positions, pending orders, order details, and fills.",
    "Write local state snapshots and append-only JSONL audit events.",
    "Render cancel intents without calling cancel endpoints."
  ],
  "submit_capable_boundary": [
    "POST /api/v5/trade/order with ordType=post_only.",
    "POST /api/v5/trade/batch-orders.",
    "POST /api/v5/trade/cancel-order.",
    "POST /api/v5/trade/cancel-batch-orders.",
    "Any reduce-only market close path."
  ],
  "test_checklist": [
    "Existing tests: rtk .venv/bin/pytest tests/test_okx_client.py",
    "New client tests for render-only post_only payloads make no DummySession requests.",
    "New client tests for list_open_orders/get_order/list_fills assert method/path/params and parsed output.",
    "New cancel tests assert request body shape but stay behind commands that are not wired in the read-only phase.",
    "New CLI tests assert read-only order-intent/reconcile commands do not call submit/cancel endpoints.",
    "New state tests assert deterministic state roundtrip and event append order."
  ],
  "sources": [
    "https://www.okx.com/docs-v5/en/",
    "reports/eth-exploration/eth-focused-portfolio-live-readiness.md",
    "reports/eth-exploration/eth-robust-twap-live-plan.md"
  ]
}