fix(typescript): replace any with proper types for Exchange router methods

core/src/BaseExchange.ts

@@ -29,6 +29,7 @@ import type {
     MatchResult,
     EventMatchResult,
     PriceComparison,
+    CompareMarketPricesParams,
     ArbitrageOpportunity,
     MatchedMarketPair,
     MatchedPricePair,
@@ -1624,7 +1625,7 @@ export abstract class PredictionMarketExchange {
      * @param params - Match filter parameters (uses relation: 'identity' internally)
      * @returns Array of price comparisons across venues
      */
-    async compareMarketPrices(params: FetchMatchesParams): Promise<PriceComparison[]> {
+    async compareMarketPrices(params: CompareMarketPricesParams): Promise<PriceComparison[]> {
         throw new Error("Method compareMarketPrices not implemented.");
     }
 

core/src/router/types.ts

@@ -71,6 +71,23 @@ export interface ArbitrageOpportunity {
 // Param types
 // ---------------------------------------------------------------------------
 
+
+/**
+ * Parameters for comparing market prices across venues.
+ */
+export interface CompareMarketPricesParams {
+    /** The source market ID to compare against. */
+    marketId: string;
+    /** Optional list of target market IDs to compare with. If not provided, the router finds matches automatically. */
+    targetMarketIds?: string[];
+    /** Minimum price difference to return. */
+    minDifference?: number;
+    /** Maximum number of results to return. */
+    limit?: number;
+}
+
+
+
 export interface FetchMarketMatchesParams {
     /** Keyword search across matched market titles. */
     query?: string;

core/src/server/openapi.yaml

@@ -2069,7 +2069,7 @@ paths:
                   type: array
                   maxItems: 1
                   items:
-                    $ref: '#/components/schemas/FetchMarketMatchesParams'
+                    type: object
                   minItems: 1
                 credentials:
                   $ref: '#/components/schemas/ExchangeCredentials'

docs/api-reference/openapi.json

@@ -7043,7 +7043,7 @@
                     "type": "array",
                     "maxItems": 1,
                     "items": {
-                      "$ref": "#/components/schemas/FetchMarketMatchesParams"
+                      "type": "object"
                     },
                     "minItems": 1
                   },

sdks/python/API_REFERENCE.md

@@ -1172,12 +1172,12 @@ Compare live prices for the same market across venues. Finds identity matches an
 **Signature:**
 
 ```python
-def compare_market_prices(params: FetchMatchesParams) -> List[PriceComparison]:
+def compare_market_prices(params: CompareMarketPricesParams) -> List[PriceComparison]:
 ```
 
 **Parameters:**
 
-- `params` (FetchMatchesParams): Match filter parameters (uses relation: 'identity' internally)
+- `params` (CompareMarketPricesParams): Match filter parameters (uses relation: 'identity' internally)
 
 **Returns:** List[[PriceComparison](#pricecomparison)] - Array of price comparisons across venues
 

sdks/python/pmxt/_exchanges.py

@@ -21,10 +21,6 @@ def __init__(
         base_url: Optional[str] = None,
         auto_start_server: Optional[bool] = None,
         pmxt_api_key: Optional[str] = None,
-        # NOTE: Generated wrapper; update the generator template in
-        # core/scripts/generate-python-exchanges.js in a follow-up.
-        wallet_address: Optional[str] = None,
-        signer: Optional[object] = None,
     ) -> None:
         """
         Initialize Polymarket client.
@@ -39,8 +35,6 @@ def __init__(
             base_url: Base URL of the PMXT sidecar server
             auto_start_server: Automatically start server if not running (default: True)
             pmxt_api_key: Hosted PMXT API key (optional; enables hosted mode)
-            wallet_address: Ethereum address for hosted reads/writes (optional)
-            signer: Optional callable for signing typed_data (optional)
         """
         super().__init__(
             exchange_name="polymarket",
@@ -51,8 +45,6 @@ def __init__(
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
-            wallet_address=wallet_address,
-            signer=signer,
         )
 
         self.api_secret = api_secret
@@ -84,8 +76,6 @@ def __init__(
         base_url: Optional[str] = None,
         auto_start_server: Optional[bool] = None,
         pmxt_api_key: Optional[str] = None,
-        wallet_address: Optional[str] = None,
-        signer: Optional[object] = None,
     ) -> None:
         """
         Initialize Limitless client.
@@ -98,8 +88,6 @@ def __init__(
             base_url: Base URL of the PMXT sidecar server
             auto_start_server: Automatically start server if not running (default: True)
             pmxt_api_key: Hosted PMXT API key (optional; enables hosted mode)
-            wallet_address: Ethereum address for hosted reads/writes (optional)
-            signer: Optional callable for signing typed_data (optional)
         """
         super().__init__(
             exchange_name="limitless",
@@ -108,8 +96,6 @@ def __init__(
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
-            wallet_address=wallet_address,
-            signer=signer,
         )
 
         self.api_secret = api_secret
@@ -284,7 +270,7 @@ def __init__(
         super().__init__(
             exchange_name="myriad",
             api_key=api_key,
-            wallet_address=wallet_address,
+            private_key=wallet_address,
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
@@ -302,10 +288,6 @@ def __init__(
         base_url: Optional[str] = None,
         auto_start_server: Optional[bool] = None,
         pmxt_api_key: Optional[str] = None,
-        # NOTE: Generated wrapper; update the generator template in
-        # core/scripts/generate-python-exchanges.js in a follow-up.
-        wallet_address: Optional[str] = None,
-        signer: Optional[object] = None,
     ) -> None:
         """
         Initialize Opinion client.
@@ -317,8 +299,6 @@ def __init__(
             base_url: Base URL of the PMXT sidecar server
             auto_start_server: Automatically start server if not running (default: True)
             pmxt_api_key: Hosted PMXT API key (optional; enables hosted mode)
-            wallet_address: Ethereum address for hosted reads/writes (optional)
-            signer: Optional callable for signing typed_data (optional)
         """
         super().__init__(
             exchange_name="opinion",
@@ -328,8 +308,6 @@ def __init__(
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
-            wallet_address=wallet_address,
-            signer=signer,
         )
 
 
@@ -522,6 +500,7 @@ class Rain(Exchange):
 
     def __init__(
         self,
+        private_key: Optional[str] = None,
         base_url: Optional[str] = None,
         auto_start_server: Optional[bool] = None,
         pmxt_api_key: Optional[str] = None,
@@ -530,12 +509,14 @@ def __init__(
         Initialize Rain client.
 
         Args:
+            private_key: Private key for authentication (optional)
             base_url: Base URL of the PMXT sidecar server
             auto_start_server: Automatically start server if not running (default: True)
             pmxt_api_key: Hosted PMXT API key (optional; enables hosted mode)
         """
         super().__init__(
             exchange_name="rain",
+            private_key=private_key,
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
@@ -551,7 +532,6 @@ def __init__(
         base_url: Optional[str] = None,
         auto_start_server: Optional[bool] = None,
         pmxt_api_key: Optional[str] = None,
-        wallet_address: Optional[str] = None,
     ) -> None:
         """
         Initialize Hunch client.
@@ -561,15 +541,13 @@ def __init__(
             base_url: Base URL of the PMXT sidecar server
             auto_start_server: Automatically start server if not running (default: True)
             pmxt_api_key: Hosted PMXT API key (optional; enables hosted mode)
-            wallet_address: EVM wallet address used for hosted reads/writes
         """
         super().__init__(
             exchange_name="hunch",
             private_key=private_key,
             base_url=base_url,
             auto_start_server=auto_start_server,
             pmxt_api_key=pmxt_api_key,
-            wallet_address=wallet_address,
         )
 
 

sdks/typescript/API_REFERENCE.md

@@ -1174,12 +1174,12 @@ Compare live prices for the same market across venues. Finds identity matches an
 **Signature:**
 
 ```typescript
-async compareMarketPrices(params: FetchMatchesParams): Promise<PriceComparison[]>
+async compareMarketPrices(params: CompareMarketPricesParams): Promise<PriceComparison[]>
 ```
 
 **Parameters:**
 
-- `params` (FetchMatchesParams): Match filter parameters (uses relation: 'identity' internally)
+- `params` (CompareMarketPricesParams): Match filter parameters (uses relation: 'identity' internally)
 
 **Returns:** Promise<[PriceComparison](#pricecomparison)[]> - Array of price comparisons across venues
 

sdks/typescript/pmxt/client.ts

@@ -1622,7 +1622,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchMarketMatches(params?: any): Promise<any[]> {
+    async fetchMarketMatches(params?: FetchMarketMatchesParams): Promise<MatchResult[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1647,7 +1647,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchMatches(params: any): Promise<any[]> {
+    async fetchMatches(params: any): Promise<MatchResult[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1672,7 +1672,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchEventMatches(params?: any): Promise<any[]> {
+    async fetchEventMatches(params?: FetchEventMatchesParams): Promise<EventMatchResult[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1697,7 +1697,7 @@ export abstract class Exchange {
         }
     }
 
-    async compareMarketPrices(params: any): Promise<any[]> {
+    async compareMarketPrices(params: CompareMarketPricesParams): Promise<PriceComparison[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1722,7 +1722,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchRelatedMarkets(params: any): Promise<any[]> {
+    async fetchRelatedMarkets(params: any): Promise<PriceComparison[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1772,7 +1772,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchMatchedPrices(params?: any): Promise<any[]> {
+    async fetchMatchedPrices(params?: FetchMatchedPricesParams): Promise<any[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1797,7 +1797,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchHedges(params: any): Promise<any[]> {
+    async fetchHedges(params: any): Promise<PriceComparison[]> {
         await this.initPromise;
         try {
             const args: any[] = [];
@@ -1822,7 +1822,7 @@ export abstract class Exchange {
         }
     }
 
-    async fetchArbitrage(params?: any): Promise<any[]> {
+    async fetchArbitrage(params?: FetchArbitrageParams): Promise<ArbitrageOpportunity[]> {
         await this.initPromise;
         try {
             const args: any[] = [];

sdks/typescript/scripts/generate-client-methods.js

@@ -87,6 +87,11 @@ const TYPE_MAP = {
     PriceCandle: { converter: 'convertCandle' },
     // Pagination wrapper — gets its own response handler
     PaginatedMarketsResult: { converter: null, pattern: 'paginatedMarkets' },
+
+    MatchResult: { converter: null, pattern: 'raw' },
+    EventMatchResult: { converter: null, pattern: 'raw' },
+    PriceComparison: { converter: null, pattern: 'raw' },
+    ArbitrageOpportunity: { converter: null, pattern: 'raw' },
     PaginatedEventsResult: { converter: null, pattern: 'paginatedEvents' },
 };
 
@@ -101,6 +106,16 @@ const SDK_PARAM_TYPES = new Set([
     'MyTradesParams', 'OrderHistoryParams', 'CreateOrderParams',
     'MarketFilterCriteria', 'EventFilterCriteria',
     'SubscriptionOption',
+
+    'FetchMarketMatchesParams',
+    'FetchEventMatchesParams',
+    'CompareMarketPricesParams',
+    'FetchMatchedPricesParams',
+    'FetchArbitrageParams',
+    'MatchResult',
+    'EventMatchResult',
+    'PriceComparison',
+    'ArbitrageOpportunity',
 ]);
 
 // Parameter names that represent outcome IDs and should accept MarketOutcome.