feat!: remove legacy AMM and upstream-removed fields from gamma models

src/polymarket/_internal/actions/gamma.py

@@ -515,7 +515,6 @@ def list_markets_spec(
     liquidity_num_max: float | None = None,
     liquidity_num_min: float | None = None,
     locale: str | None = None,
-    market_maker_addresses: str | Sequence[str] | None = None,
     order: str | None = None,
     position_ids: str | Sequence[str] | None = None,
     question_ids: str | Sequence[str] | None = None,
@@ -549,7 +548,6 @@ def list_markets_spec(
     _add_optional(params, "liquidity_num_max", liquidity_num_max)
     _add_optional(params, "liquidity_num_min", liquidity_num_min)
     _add_optional(params, "locale", locale)
-    _add_optional_seq(params, "market_maker_address", market_maker_addresses)
     _add_optional(params, "order", order)
     _add_optional_seq(params, "position_ids", position_ids)
     _add_optional_seq(params, "question_ids", question_ids)

src/polymarket/clients/async_public.py

@@ -998,7 +998,6 @@ def list_markets(
         liquidity_num_max: float | None = None,
         liquidity_num_min: float | None = None,
         locale: str | None = None,
-        market_maker_addresses: str | Sequence[str] | None = None,
         order: str | None = None,
         position_ids: str | Sequence[str] | None = None,
         question_ids: str | Sequence[str] | None = None,
@@ -1045,7 +1044,6 @@ def list_markets(
             liquidity_num_max=liquidity_num_max,
             liquidity_num_min=liquidity_num_min,
             locale=locale,
-            market_maker_addresses=market_maker_addresses,
             order=order,
             position_ids=position_ids,
             question_ids=question_ids,

src/polymarket/clients/async_secure.py

@@ -1716,7 +1716,6 @@ def list_markets(
         liquidity_num_max: float | None = None,
         liquidity_num_min: float | None = None,
         locale: str | None = None,
-        market_maker_addresses: str | Sequence[str] | None = None,
         order: str | None = None,
         position_ids: str | Sequence[str] | None = None,
         question_ids: str | Sequence[str] | None = None,
@@ -1757,7 +1756,6 @@ def list_markets(
             liquidity_num_max=liquidity_num_max,
             liquidity_num_min=liquidity_num_min,
             locale=locale,
-            market_maker_addresses=market_maker_addresses,
             order=order,
             position_ids=position_ids,
             question_ids=question_ids,

src/polymarket/clients/public.py

@@ -783,7 +783,6 @@ def list_markets(
         liquidity_num_max: float | None = None,
         liquidity_num_min: float | None = None,
         locale: str | None = None,
-        market_maker_addresses: str | Sequence[str] | None = None,
         order: str | None = None,
         position_ids: str | Sequence[str] | None = None,
         question_ids: str | Sequence[str] | None = None,
@@ -835,7 +834,6 @@ def list_markets(
             liquidity_num_max=liquidity_num_max,
             liquidity_num_min=liquidity_num_min,
             locale=locale,
-            market_maker_addresses=market_maker_addresses,
             order=order,
             position_ids=position_ids,
             question_ids=question_ids,

src/polymarket/clients/secure.py

@@ -1244,7 +1244,6 @@ def list_markets(
         liquidity_num_max: float | None = None,
         liquidity_num_min: float | None = None,
         locale: str | None = None,
-        market_maker_addresses: str | Sequence[str] | None = None,
         order: str | None = None,
         position_ids: str | Sequence[str] | None = None,
         question_ids: str | Sequence[str] | None = None,
@@ -1285,7 +1284,6 @@ def list_markets(
             liquidity_num_max=liquidity_num_max,
             liquidity_num_min=liquidity_num_min,
             locale=locale,
-            market_maker_addresses=market_maker_addresses,
             order=order,
             position_ids=position_ids,
             question_ids=question_ids,

src/polymarket/models/gamma/common.py

@@ -76,10 +76,6 @@ class TagReference(BaseModel):
     updated_at: datetime | None = Field(default=None, validation_alias="updatedAt")
     force_hide: bool | None = Field(default=None, validation_alias="forceHide")
     is_carousel: bool | None = Field(default=None, validation_alias="isCarousel")
-    requires_translation: bool | None = Field(
-        default=None,
-        validation_alias="requiresTranslation",
-    )
     active_events_count: int | None = Field(default=None, validation_alias="activeEventsCount")
 
     @field_validator("published_at", "created_at", "updated_at", mode="before")
@@ -158,10 +154,6 @@ class SeriesReference(BaseModel):
     cg_asset_name: str | None = Field(default=None, validation_alias="cgAssetName")
     score: int | None = None
     comment_count: int | None = Field(default=None, validation_alias="commentCount")
-    requires_translation: bool | None = Field(
-        default=None,
-        validation_alias="requiresTranslation",
-    )
 
     @field_validator("id", mode="before")
     @classmethod

src/polymarket/models/gamma/event.py

@@ -57,10 +57,6 @@ class EventState(BaseModel):
     ended: bool | None = None
     automatically_active: bool | None = Field(default=None, validation_alias="automaticallyActive")
     comments_enabled: bool | None = Field(default=None, validation_alias="commentsEnabled")
-    requires_translation: bool | None = Field(
-        default=None,
-        validation_alias="requiresTranslation",
-    )
 
 
 class EventSchedule(BaseModel):
@@ -94,7 +90,6 @@ def _parse_event_date(cls, value: object) -> date | None:
 
 class EventMetrics(BaseModel):
     liquidity: Decimal | None = None
-    liquidity_amm: Decimal | None = Field(default=None, validation_alias="liquidityAmm")
     liquidity_clob: Decimal | None = Field(default=None, validation_alias="liquidityClob")
     volume: Decimal | None = None
     volume_24hr: Decimal | None = Field(default=None, validation_alias="volume24hr")
@@ -108,7 +103,6 @@ class EventMetrics(BaseModel):
 
     @field_validator(
         "liquidity",
-        "liquidity_amm",
         "liquidity_clob",
         "volume",
         "volume_24hr",
@@ -358,7 +352,6 @@ def _normalize_event(cls, value: object) -> object:
                 "ended": data.get("ended"),
                 "automatically_active": data.get("automaticallyActive"),
                 "comments_enabled": data.get("commentsEnabled"),
-                "requires_translation": data.get("requiresTranslation"),
             },
             "schedule": {
                 "start_date": data.get("startDate"),
@@ -372,7 +365,6 @@ def _normalize_event(cls, value: object) -> object:
             },
             "metrics": {
                 "liquidity": data.get("liquidity"),
-                "liquidity_amm": data.get("liquidityAmm"),
                 "liquidity_clob": data.get("liquidityClob"),
                 "volume": data.get("volume"),
                 "volume_24hr": data.get("volume24hr"),

src/polymarket/models/gamma/market.py

@@ -130,10 +130,6 @@ class MarketMetrics(BaseModel):
         default=None,
         validation_alias="volume1yr",
     )
-    volume_amm: Decimal | None = Field(
-        default=None,
-        validation_alias="volumeAmm",
-    )
     volume_clob: Decimal | None = Field(
         default=None,
         validation_alias="volumeClob",
@@ -494,7 +490,6 @@ def _normalize_market(cls, value: object) -> object:
                 "volume_1wk": data.get("volume1wk"),
                 "volume_1mo": data.get("volume1mo"),
                 "volume_1yr": data.get("volume1yr"),
-                "volume_amm": data.get("volumeAmm"),
                 "volume_clob": data.get("volumeClob"),
                 "liquidity": data.get("liquidity"),
                 "liquidity_num": data.get("liquidityNum"),

tests/unit/test_gamma_models.py

@@ -34,7 +34,6 @@ def _minimal_market_payload(**overrides: object) -> dict[str, object]:
         "outcomePrices": ["0.6", "0.4"],
         "clobTokenIds": ["TOKEN-YES", "TOKEN-NO"],
         "positionIds": ["POSITION-YES", "POSITION-NO"],
-        "marketMakerAddress": "0xMM",
     }
     payload.update(overrides)
     return payload
@@ -53,6 +52,24 @@ def test_market_parses_minimal_payload() -> None:
     assert market.position_ids == ("POSITION-YES", "POSITION-NO")
 
 
+def test_market_ignores_legacy_fields_still_present_in_responses() -> None:
+    # The API stopped returning these fields, but historical AMM markets and
+    # not-yet-migrated responses may still carry them.
+    market = Market.parse_response(
+        _minimal_market_payload(
+            marketMakerAddress="0xMM",
+            ammType="fpmm",
+            fpmmLive=True,
+            volumeAmm="123.45",
+            liquidityAmm="67.89",
+            pagerDutyNotificationEnabled=True,
+            requiresTranslation=True,
+        )
+    )
+
+    assert market.id == "MARKET-1"
+
+
 def test_market_normalizes_groups_from_flat_payload() -> None:
     payload = _minimal_market_payload(
         slug="my-market",
@@ -365,14 +382,12 @@ def test_event_skips_markets_with_non_binary_outcomes() -> None:
                     "outcomes": ["Yes", "No"],
                     "outcomePrices": ["0.5", "0.5"],
                     "clobTokenIds": ["A", "B"],
-                    "marketMakerAddress": "0xMM",
                 },
                 {
                     "id": "M2",
                     "outcomes": ["Only"],
                     "outcomePrices": ["1"],
                     "clobTokenIds": ["X"],
-                    "marketMakerAddress": "0xMM",
                 },
             ],
         )

tests/unit/test_gamma_paginated_specs.py

@@ -16,7 +16,6 @@ def _minimal_market_payload(**overrides: object) -> dict[str, object]:
         "outcomePrices": ["0.6", "0.4"],
         "clobTokenIds": ["TOKEN-YES", "TOKEN-NO"],
         "positionIds": ["POSITION-YES", "POSITION-NO"],
-        "marketMakerAddress": "0xMM",
     }
     payload.update(overrides)
     return payload
@@ -72,14 +71,12 @@ def test_list_markets_spec_default_has_no_params() -> None:
 def test_list_markets_spec_collects_array_params() -> None:
     spec = gamma_actions.list_markets_spec(
         clob_token_ids=["A", "B"],
-        market_maker_addresses=["0xMM"],
         ids=[1, 2],
         position_ids=["P1", "P2"],
     )
 
     assert spec.base_params == {
         "clob_token_ids": ("A", "B"),
-        "market_maker_address": ("0xMM",),
         "id": (1, 2),
         "position_ids": ("P1", "P2"),
     }