feat(generator): build full SDK generation foundation

.gitignore

@@ -22,6 +22,7 @@ dependency-reduced-pom.xml
 tmp/
 
 ai-docs/
+docs/
 
 # SDK generator download + OpenAPI CLI output
 generated/

Makefile

@@ -1,10 +1,20 @@
-.PHONY: fetch-spec compile format
+.PHONY: fetch-spec compile format generate check-generated generate-live-diff
+
 fetch-spec:
-	@mkdir -p apiSpec
-	@curl -fsSL -o apiSpec/prime-public-spec.yaml https://api.prime.coinbase.com/v1/openapi.yaml
+	mvn -B -f tools/model-generator/pom.xml compile exec:java@generate-models -Dexec.args="--fetch-spec"
 
 compile:
 	mvn -B compile
 
 format:
 	mvn -B spotless:apply
+
+generate:
+	mvn -B -f tools/model-generator/pom.xml compile exec:java@generate-models
+	mvn -B spotless:apply
+
+check-generated:
+	mvn -B -f tools/model-generator/pom.xml compile exec:java@generate-models -Dexec.args="--check"
+
+generate-live-diff:
+	mvn -B -f tools/model-generator/pom.xml compile exec:java@generate-models -Dexec.args="--live-diff"

src/main/java/com/coinbase/prime/client/CoinbasePrimeClient.java

@@ -29,21 +29,31 @@
 import java.util.List;
 
 public class CoinbasePrimeClient extends CoinbaseNetHttpClient {
+  private final String baseUrl;
+
   public CoinbasePrimeClient(CoinbasePrimeCredentials credentials, String baseUrl) {
     super(credentials, baseUrl);
+    this.baseUrl = baseUrl;
   }
 
   public CoinbasePrimeClient(
       CoinbasePrimeCredentials credentials, String baseUrl, HttpClient client) {
     super(credentials, baseUrl, client);
+    this.baseUrl = baseUrl;
   }
 
   public CoinbasePrimeClient(CoinbasePrimeCredentials credentials) {
     super(credentials, Constants.CB_PRIME_BASE_URL);
+    this.baseUrl = Constants.CB_PRIME_BASE_URL;
   }
 
   public CoinbasePrimeClient(CoinbasePrimeCredentials credentials, HttpClient client) {
     super(credentials, Constants.CB_PRIME_BASE_URL, client);
+    this.baseUrl = Constants.CB_PRIME_BASE_URL;
+  }
+
+  public String getBaseUrl() {
+    return baseUrl;
   }
 
   /**

tools/model-generator/.openapi-generator-ignore

@@ -6,12 +6,9 @@
 src/main/java/com/coinbase/prime/model/*Request.java
 src/main/java/com/coinbase/prime/model/*Response.java
 
-# Per-operation typed error payloads and codes (not consumed by the SDK yet)
+# Per-operation typed error payloads are not consumed by the SDK yet. ErrorCode and
+# Subcode enums are intentionally generated and routed to model/errors by PostProcessor.
 src/main/java/com/coinbase/prime/model/*ErrorResponse.java
-src/main/java/com/coinbase/prime/model/*ErrorCode.java
-src/main/java/com/coinbase/prime/model/*Subcode.java
-src/main/java/com/coinbase/prime/model/enums/*ErrorCode.java
-src/main/java/com/coinbase/prime/model/enums/*Subcode.java
 
 # Google infrastructure types (google.type.Date is generated as GoogleTypeDate and renamed to DateOfBirth)
 src/main/java/com/coinbase/prime/model/GoogleProtobufAny.java

tools/model-generator/config/generator-config.json

@@ -0,0 +1,26 @@
+{
+  "specUrl": "https://api.prime.coinbase.com/v1/openapi.yaml",
+  "committedSpecPath": "apiSpec/prime-public-spec.yaml",
+  "tagToFolderOverrides": {
+    "Travel Rule": "transactions"
+  },
+  "modelTypeMappings": {
+    "CreateOnchainTransactionRequestEVMParams": "EvmParams",
+    "CreateOnchainTransactionRequestEvmParams": "EvmParams",
+    "FcmFuturesSweepRequestAmount": "SweepAmount",
+    "FcmFuturesSweep": "FuturesSweep",
+    "EvmParam": "EvmParams",
+    "RPC": "RpcConfig",
+    "XMControlStatus": "PrimeXMControlStatus",
+    "XMMarginLevel": "PrimeXMMarginLevel"
+  },
+  "sharedModelMappings": {
+    "PaginatedResponse": "com.coinbase.prime.common.Pagination"
+  },
+  "protectedCompatibilityFiles": [
+    "com/coinbase/prime/portfolios/GetPortfolioCounterpartyIdRequest.java",
+    "com/coinbase/prime/portfolios/GetPortfolioCounterpartyIdResponse.java",
+    "com/coinbase/prime/portfolios/PortfoliosService.java",
+    "com/coinbase/prime/portfolios/PortfoliosServiceImpl.java"
+  ]
+}

tools/model-generator/config/operations-overrides.json

@@ -0,0 +1,182 @@
+[
+  {
+    "operationId": "PrimeRESTAPI_GetActivity",
+    "convenienceConstructorParameters": ["activity_id"]
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetEntityActivities",
+    "parameterTypeOverrides": {
+      "activity_level": "com.coinbase.prime.model.enums.ActivityLevel",
+      "symbols": "String[]",
+      "categories": "com.coinbase.prime.model.enums.ActivityCategory[]",
+      "statuses": "com.coinbase.prime.model.enums.ActivityStatus[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetPortfolioActivities",
+    "parameterTypeOverrides": {
+      "symbols": "String[]",
+      "categories": "com.coinbase.prime.model.enums.ActivityCategory[]",
+      "statuses": "com.coinbase.prime.model.enums.ActivityStatus[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_ListEntityBalances",
+    "parameterTypeOverrides": {
+      "symbols": "String[]",
+      "aggregation_type": "com.coinbase.prime.model.enums.PortfolioBalanceType"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetPortfolioBalances",
+    "paginated": true,
+    "parameterTypeOverrides": {
+      "symbols": "String[]",
+      "balance_type": "com.coinbase.prime.model.enums.PortfolioBalanceType"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetCandles",
+    "parameterTypeOverrides": {
+      "granularity": "com.coinbase.prime.model.enums.CandlesGranularity"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetOpenOrders",
+    "parameterTypeOverrides": {
+      "product_ids": "String[]",
+      "order_type": "com.coinbase.prime.model.enums.OrderType",
+      "order_side": "com.coinbase.prime.model.enums.OrderSide"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetOrders",
+    "sdkMethod": "ListPortfolioOrders",
+    "responseTypeOverrides": {
+      "orders": "com.coinbase.prime.model.Order[]"
+    },
+    "parameterTypeOverrides": {
+      "order_type": "com.coinbase.prime.model.enums.OrderType",
+      "order_side": "com.coinbase.prime.model.enums.OrderSide",
+      "order_statuses": "com.coinbase.prime.model.enums.OrderStatus[]",
+      "product_ids": "String[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetOrder",
+    "sdkMethod": "GetOrderByOrderId"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetEntityPaymentMethods",
+    "sdkMethod": "ListPaymentMethods"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetPortfolios",
+    "omitRequest": false
+  },
+  {
+    "operationId": "PrimeRESTAPI_RotateAPIKey",
+    "sdkMethod": "RotateApiKey",
+    "serviceFolder": "apikey",
+    "serviceName": "ApiKeyService",
+    "parameterTypeOverrides": {
+      "duration_seconds": "Long"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_ListAdvancedTransferTransactions",
+    "serviceFolder": "advancedtransfer",
+    "serviceName": "AdvancedTransferService"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetPortfolioCounterpartyID",
+    "sdkMethod": "GetPortfolioCounterpartyId"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetBuyingPower",
+    "sdkMethod": "GetPortfolioBuyingPower"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetWithdrawalPower",
+    "sdkMethod": "GetPortfolioWithdrawalPower"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetXMLiquidation",
+    "sdkMethod": "GetCrossMarginLiquidation"
+  },
+  {
+    "operationId": "PrimeRESTAPI_ListXMLiquidations",
+    "sdkMethod": "ListCrossMarginLiquidations",
+    "parameterTypeOverrides": {
+      "status": "com.coinbase.prime.model.enums.XMLiquidationStatus"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetDerivativePositions",
+    "sdkMethod": "GetDerivativePositions"
+  },
+  {
+    "operationId": "PrimeRESTAPI_StakingClaimRewards",
+    "sdkMethod": "ClaimRewards"
+  },
+  {
+    "operationId": "PrimeRESTAPI_StakingInitiate",
+    "sdkMethod": "CreateStake"
+  },
+  {
+    "operationId": "PrimeRESTAPI_StakingUnstake",
+    "sdkMethod": "CreateUnstake"
+  },
+  {
+    "operationId": "PrimeRESTAPI_ListTransactionValidators",
+    "parameterTypeOverrides": {
+      "transaction_ids": "String[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetInvoices",
+    "parameterTypeOverrides": {
+      "states": "com.coinbase.prime.model.enums.InvoiceState[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetPortfolioTransactions",
+    "parameterTypeOverrides": {
+      "symbols": "String[]",
+      "types": "com.coinbase.prime.model.enums.TransactionType[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetWalletTransactions",
+    "parameterTypeOverrides": {
+      "types": "com.coinbase.prime.model.enums.TransactionType[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_ListWeb3WalletBalances",
+    "sdkMethod": "ListOnchainWalletBalances"
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetWallets",
+    "parameterTypeOverrides": {
+      "type": "com.coinbase.prime.model.enums.WalletType",
+      "symbols": "String[]"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_CreateWallet",
+    "propertyNameOverrides": {
+      "wallet_type": "type"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetWalletDepositInstructions",
+    "parameterTypeOverrides": {
+      "deposit_type": "com.coinbase.prime.model.enums.WalletDepositInstructionType"
+    }
+  },
+  {
+    "operationId": "PrimeRESTAPI_GetFcmBalance",
+    "sdkMethod": "GetEntityFcmBalance"
+  }
+]

tools/model-generator/src/main/java/com/coinbase/tools/modelgenerator/ClientSurfacePhase.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2026-present Coinbase Global, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.coinbase.tools.modelgenerator;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+/** Groups validated bindings in the deterministic order consumed by source emitters. */
+public final class ClientSurfacePhase {
+  private ClientSurfacePhase() {}
+
+  public static Map<String, List<OperationBinding>> groupByService(List<OperationBinding> bindings) {
+    Map<String, List<OperationBinding>> services = new LinkedHashMap<>();
+    List<OperationBinding> ordered = new ArrayList<>(bindings);
+    ordered.sort(Comparator.comparing(OperationBinding::serviceFolder).thenComparing(OperationBinding::sdkMethod));
+    for (OperationBinding binding : ordered) {
+      services.computeIfAbsent(binding.serviceFolder(), ignored -> new ArrayList<>()).add(binding);
+    }
+    return services;
+  }
+}

tools/model-generator/src/main/java/com/coinbase/tools/modelgenerator/FactoryPhase.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2026-present Coinbase Global, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.coinbase.tools.modelgenerator;
+
+import java.nio.file.Path;
+import java.util.Comparator;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/** Emits the static factory surface for all generated Prime services. */
+public final class FactoryPhase {
+  private FactoryPhase() {}
+  public static Map<Path, String> render(List<OperationBinding> bindings) {
+    Map<String, OperationBinding> services = new LinkedHashMap<>();
+    for (OperationBinding binding : bindings) services.putIfAbsent(binding.serviceName(), binding);
+    List<OperationBinding> ordered = new java.util.ArrayList<>(services.values()); ordered.sort(Comparator.comparing(OperationBinding::serviceName));
+    Set<String> imports = new LinkedHashSet<>(); imports.add("com.coinbase.prime.client.CoinbasePrimeClient");
+    for (OperationBinding binding : ordered) { String prefix="com.coinbase.prime." + binding.serviceFolder() + "."; imports.add(prefix + binding.serviceName()); imports.add(prefix + binding.serviceName() + "Impl"); }
+    StringBuilder source=new StringBuilder(SourceTemplates.header()).append("package com.coinbase.prime.factory;\n\n"); SourceTemplates.imports(source, imports); source.append("public class PrimeServiceFactory {\n");
+    for (OperationBinding binding : ordered) source.append("  public static ").append(binding.serviceName()).append(" create").append(binding.serviceName()).append("(CoinbasePrimeClient client) {\n    return new ").append(binding.serviceName()).append("Impl(client);\n  }\n\n");
+    source.append("}\n"); Map<Path,String> result=new LinkedHashMap<>(); result.put(Path.of("com/coinbase/prime/factory/PrimeServiceFactory.java"),source.toString()); return result;
+  }
+}