@solana/rpc-transport - npm Package Compare versions

Comparing version 2.0.0-experimental.f291d36 to 2.0.0-experimental.f2a2e5b

dist/index.browser.js

 // ../build-scripts/env-shim.ts
 var __DEV__ = /* @__PURE__ */ (() => process["env"].NODE_ENV === "development")();
 
+// src/apis/methods/methods-api.ts
+function createJsonRpcApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const methodName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, methodName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        return {
+          methodName,
+          params,
+          responseTransformer
+        };
+      };
+    }
+  });
+}
+
+// src/apis/subscriptions/subscriptions-api.ts
+function createJsonRpcSubscriptionsApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const notificationName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, notificationName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        const subscribeMethodName = config?.subscribeNotificationNameTransformer ? config?.subscribeNotificationNameTransformer(notificationName) : notificationName;
+        const unsubscribeMethodName = config?.unsubscribeNotificationNameTransformer ? config?.unsubscribeNotificationNameTransformer(notificationName) : notificationName;
+        return {
+          params,
+          responseTransformer,
+          subscribeMethodName,
+          unsubscribeMethodName
+        };
+      };
+    }
+  });
+}
+
 // src/json-rpc-errors.ts
 var SolanaJsonRpcError = class extends Error {
+  code;
+  data;
   constructor(details) {
@@ -39,3 +94,3 @@ super(`JSON-RPC 2.0 error (${details.code}): ${details.message}`);
     async send(options) {
-      const { methodName, params, responseProcessor } = pendingRequest;
+      const { methodName, params, responseTransformer } = pendingRequest;
       const payload = createJsonRpcMessage(methodName, params);
@@ -49,3 +104,3 @@ const response = await rpcConfig.transport({
       } else {
-        return responseProcessor ? responseProcessor(response.result) : response.result;
+        return responseTransformer ? responseTransformer(response.result, methodName) : response.result;
       }
@@ -77,2 +132,98 @@ }
 
+// src/json-rpc-subscription.ts
+function registerIterableCleanup(iterable, cleanupFn) {
+  (async () => {
+    try {
+      for await (const _ of iterable)
+        ;
+    } catch {
+    } finally {
+      cleanupFn();
+    }
+  })();
+}
+function createPendingRpcSubscription(rpcConfig, { params, subscribeMethodName, unsubscribeMethodName, responseTransformer }) {
+  return {
+    async subscribe({ abortSignal }) {
+      abortSignal.throwIfAborted();
+      let subscriptionId;
+      function handleCleanup() {
+        if (subscriptionId !== void 0) {
+          const payload = createJsonRpcMessage(unsubscribeMethodName, [subscriptionId]);
+          connection.send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED(payload).finally(() => {
+            connectionAbortController.abort();
+          });
+        } else {
+          connectionAbortController.abort();
+        }
+      }
+      abortSignal.addEventListener("abort", handleCleanup);
+      const connectionAbortController = new AbortController();
+      const subscribeMessage = createJsonRpcMessage(subscribeMethodName, params);
+      const connection = await rpcConfig.transport({
+        payload: subscribeMessage,
+        signal: connectionAbortController.signal
+      });
+      function handleConnectionCleanup() {
+        abortSignal.removeEventListener("abort", handleCleanup);
+      }
+      registerIterableCleanup(connection, handleConnectionCleanup);
+      for await (const message of connection) {
+        if ("id" in message && message.id === subscribeMessage.id) {
+          if ("error" in message) {
+            throw new SolanaJsonRpcError(message.error);
+          } else {
+            subscriptionId = message.result;
+            break;
+          }
+        }
+      }
+      if (subscriptionId == null) {
+        throw new Error("Failed to obtain a subscription id from the server");
+      }
+      return {
+        async *[Symbol.asyncIterator]() {
+          for await (const message of connection) {
+            if (!("params" in message) || message.params.subscription !== subscriptionId) {
+              continue;
+            }
+            const notification = message.params.result;
+            yield responseTransformer ? responseTransformer(notification, subscribeMethodName) : notification;
+          }
+        }
+      };
+    }
+  };
+}
+function makeProxy2(rpcConfig) {
+  return new Proxy(rpcConfig.api, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(target, p, receiver) {
+      return function(...rawParams) {
+        const methodName = p.toString();
+        const createRpcSubscription = Reflect.get(target, methodName, receiver);
+        if (p.toString().endsWith("Notifications") === false && !createRpcSubscription) {
+          throw new Error(
+            "Either the notification name must end in 'Notifications' or the API must supply a subscription creator function to map between the notification name and the subscribe/unsubscribe method names."
+          );
+        }
+        const newRequest = createRpcSubscription ? createRpcSubscription(...rawParams) : {
+          params: rawParams,
+          subscribeMethodName: methodName.replace(/Notifications$/, "Subscribe"),
+          unsubscribeMethodName: methodName.replace(/Notifications$/, "Unsubscribe")
+        };
+        return createPendingRpcSubscription(rpcConfig, newRequest);
+      };
+    }
+  });
+}
+function createJsonSubscriptionRpc(rpcConfig) {
+  return makeProxy2(rpcConfig);
+}
+
 // ../fetch-impl/dist/index.browser.js
@@ -83,2 +234,3 @@ var e = globalThis.fetch;
 var SolanaHttpError = class extends Error {
+  statusCode;
   constructor(details) {
@@ -145,12 +297,6 @@ super(`HTTP error (${details.statusCode}): ${details.message}`);
 // src/transports/http/http-transport.ts
-function createHttpTransport({ httpAgentNodeOnly, headers, url }) {
+function createHttpTransport({ headers, url }) {
   if (__DEV__ && headers) {
     assertIsAllowedHttpRequestHeaders(headers);
   }
-  const agent = void 0;
-  if (__DEV__ && httpAgentNodeOnly != null) {
-    console.warn(
-      "createHttpTransport(): The `httpAgentNodeOnly` config you supplied has been ignored; HTTP agents are only usable in Node environments."
-    );
-  }
   const customHeaders = headers && normalizeHeaders(headers);
@@ -163,3 +309,2 @@ return async function makeHttpRequest({
     const requestInfo = {
-      agent,
       body,
@@ -187,4 +332,176 @@ headers: {
 
-export { createHttpTransport, createJsonRpc };
+// ../ws-impl/dist/index.browser.js
+var e2 = globalThis.WebSocket;
+
+// src/transports/websocket/websocket-connection.ts
+var EXPLICIT_ABORT_TOKEN = Symbol(
+  __DEV__ ? "This symbol is thrown from a socket's iterator when the connection is explicitly aborted by the user" : void 0
+);
+async function createWebSocketConnection({
+  sendBufferHighWatermark,
+  signal,
+  url
+}) {
+  return new Promise((resolve, reject) => {
+    signal.addEventListener("abort", handleAbort, { once: true });
+    const iteratorState = /* @__PURE__ */ new Map();
+    function errorAndClearAllIteratorStates(reason) {
+      const errorCallbacks = [...iteratorState.values()].filter((state) => state.__hasPolled).map(({ onError }) => onError);
+      iteratorState.clear();
+      errorCallbacks.forEach((cb) => {
+        try {
+          cb(reason);
+        } catch {
+        }
+      });
+    }
+    function handleAbort() {
+      errorAndClearAllIteratorStates(EXPLICIT_ABORT_TOKEN);
+      if (webSocket.readyState !== e2.CLOSED && webSocket.readyState !== e2.CLOSING) {
+        webSocket.close(1e3);
+      }
+    }
+    function handleClose(ev) {
+      bufferDrainWatcher?.onCancel();
+      signal.removeEventListener("abort", handleAbort);
+      webSocket.removeEventListener("close", handleClose);
+      webSocket.removeEventListener("error", handleError);
+      webSocket.removeEventListener("open", handleOpen);
+      webSocket.removeEventListener("message", handleMessage);
+      errorAndClearAllIteratorStates(ev);
+    }
+    function handleError(ev) {
+      if (!hasConnected) {
+        reject(
+          // TODO: Coded error
+          new Error("WebSocket failed to connect", { cause: ev })
+        );
+      }
+    }
+    let hasConnected = false;
+    let bufferDrainWatcher;
+    function handleOpen() {
+      hasConnected = true;
+      resolve({
+        async send(payload) {
+          const message = JSON.stringify(payload);
+          if (!bufferDrainWatcher && webSocket.readyState === e2.OPEN && webSocket.bufferedAmount > sendBufferHighWatermark) {
+            let onCancel;
+            const promise = new Promise((resolve2, reject2) => {
+              const intervalId = setInterval(() => {
+                if (webSocket.readyState !== e2.OPEN || !(webSocket.bufferedAmount > sendBufferHighWatermark)) {
+                  clearInterval(intervalId);
+                  bufferDrainWatcher = void 0;
+                  resolve2();
+                }
+              }, 16);
+              onCancel = () => {
+                bufferDrainWatcher = void 0;
+                clearInterval(intervalId);
+                reject2(
+                  // TODO: Coded error
+                  new Error("WebSocket was closed before payload could be sent")
+                );
+              };
+            });
+            bufferDrainWatcher = {
+              // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+              // @ts-ignore
+              onCancel,
+              promise
+            };
+          }
+          if (bufferDrainWatcher) {
+            await bufferDrainWatcher.promise;
+          }
+          webSocket.send(message);
+        },
+        async *[Symbol.asyncIterator]() {
+          const iteratorKey = Symbol();
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          try {
+            while (true) {
+              const state = iteratorState.get(iteratorKey);
+              if (!state) {
+                throw new Error("Invariant: WebSocket message iterator is missing state storage");
+              }
+              if (state.__hasPolled) {
+                throw new Error(
+                  "Invariant: WebSocket message iterator state is corrupt; iterated without first resolving existing message promise"
+                );
+              }
+              const queuedMessages = state.queuedMessages;
+              if (queuedMessages.length) {
+                state.queuedMessages = [];
+                yield* queuedMessages;
+              } else {
+                try {
+                  yield await new Promise((resolve2, reject2) => {
+                    iteratorState.set(iteratorKey, {
+                      __hasPolled: true,
+                      onError: reject2,
+                      onMessage: resolve2
+                    });
+                  });
+                } catch (e3) {
+                  if (e3 === EXPLICIT_ABORT_TOKEN) {
+                    return;
+                  } else {
+                    throw new Error("WebSocket connection closed", { cause: e3 });
+                  }
+                }
+              }
+            }
+          } finally {
+            iteratorState.delete(iteratorKey);
+          }
+        }
+      });
+    }
+    function handleMessage({ data }) {
+      const message = JSON.parse(data);
+      iteratorState.forEach((state, iteratorKey) => {
+        if (state.__hasPolled) {
+          const { onMessage } = state;
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          onMessage(message);
+        } else {
+          state.queuedMessages.push(message);
+        }
+      });
+    }
+    const webSocket = new e2(url);
+    webSocket.addEventListener("close", handleClose);
+    webSocket.addEventListener("error", handleError);
+    webSocket.addEventListener("open", handleOpen);
+    webSocket.addEventListener("message", handleMessage);
+  });
+}
+
+// src/transports/websocket/websocket-transport.ts
+function createWebSocketTransport({ sendBufferHighWatermark, url }) {
+  if (/^wss?:/i.test(url) === false) {
+    const protocolMatch = url.match(/^([^:]+):/);
+    throw new DOMException(
+      protocolMatch ? `Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. '${protocolMatch[1]}:' is not allowed.` : `Failed to construct 'WebSocket': The URL '${url}' is invalid.`
+    );
+  }
+  return async function sendWebSocketMessage({ payload, signal }) {
+    signal?.throwIfAborted();
+    const connection = await createWebSocketConnection({
+      sendBufferHighWatermark,
+      signal,
+      url
+    });
+    signal?.throwIfAborted();
+    await connection.send(payload);
+    return {
+      [Symbol.asyncIterator]: connection[Symbol.asyncIterator].bind(connection),
+      send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: connection.send.bind(connection)
+    };
+  };
+}
+
+export { createHttpTransport, createJsonRpc, createJsonRpcApi, createJsonRpcSubscriptionsApi, createJsonSubscriptionRpc, createWebSocketTransport };
 //# sourceMappingURL=out.js.map
 //# sourceMappingURL=index.browser.js.map

dist/index.native.js

 // ../build-scripts/env-shim.ts
 var __DEV__ = /* @__PURE__ */ (() => process["env"].NODE_ENV === "development")();
 
+// src/apis/methods/methods-api.ts
+function createJsonRpcApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const methodName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, methodName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        return {
+          methodName,
+          params,
+          responseTransformer
+        };
+      };
+    }
+  });
+}
+
+// src/apis/subscriptions/subscriptions-api.ts
+function createJsonRpcSubscriptionsApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const notificationName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, notificationName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        const subscribeMethodName = config?.subscribeNotificationNameTransformer ? config?.subscribeNotificationNameTransformer(notificationName) : notificationName;
+        const unsubscribeMethodName = config?.unsubscribeNotificationNameTransformer ? config?.unsubscribeNotificationNameTransformer(notificationName) : notificationName;
+        return {
+          params,
+          responseTransformer,
+          subscribeMethodName,
+          unsubscribeMethodName
+        };
+      };
+    }
+  });
+}
+
 // src/json-rpc-errors.ts
 var SolanaJsonRpcError = class extends Error {
+  code;
+  data;
   constructor(details) {
@@ -39,3 +94,3 @@ super(`JSON-RPC 2.0 error (${details.code}): ${details.message}`);
     async send(options) {
-      const { methodName, params, responseProcessor } = pendingRequest;
+      const { methodName, params, responseTransformer } = pendingRequest;
       const payload = createJsonRpcMessage(methodName, params);
@@ -49,3 +104,3 @@ const response = await rpcConfig.transport({
       } else {
-        return responseProcessor ? responseProcessor(response.result) : response.result;
+        return responseTransformer ? responseTransformer(response.result, methodName) : response.result;
       }
@@ -77,2 +132,98 @@ }
 
+// src/json-rpc-subscription.ts
+function registerIterableCleanup(iterable, cleanupFn) {
+  (async () => {
+    try {
+      for await (const _ of iterable)
+        ;
+    } catch {
+    } finally {
+      cleanupFn();
+    }
+  })();
+}
+function createPendingRpcSubscription(rpcConfig, { params, subscribeMethodName, unsubscribeMethodName, responseTransformer }) {
+  return {
+    async subscribe({ abortSignal }) {
+      abortSignal.throwIfAborted();
+      let subscriptionId;
+      function handleCleanup() {
+        if (subscriptionId !== void 0) {
+          const payload = createJsonRpcMessage(unsubscribeMethodName, [subscriptionId]);
+          connection.send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED(payload).finally(() => {
+            connectionAbortController.abort();
+          });
+        } else {
+          connectionAbortController.abort();
+        }
+      }
+      abortSignal.addEventListener("abort", handleCleanup);
+      const connectionAbortController = new AbortController();
+      const subscribeMessage = createJsonRpcMessage(subscribeMethodName, params);
+      const connection = await rpcConfig.transport({
+        payload: subscribeMessage,
+        signal: connectionAbortController.signal
+      });
+      function handleConnectionCleanup() {
+        abortSignal.removeEventListener("abort", handleCleanup);
+      }
+      registerIterableCleanup(connection, handleConnectionCleanup);
+      for await (const message of connection) {
+        if ("id" in message && message.id === subscribeMessage.id) {
+          if ("error" in message) {
+            throw new SolanaJsonRpcError(message.error);
+          } else {
+            subscriptionId = message.result;
+            break;
+          }
+        }
+      }
+      if (subscriptionId == null) {
+        throw new Error("Failed to obtain a subscription id from the server");
+      }
+      return {
+        async *[Symbol.asyncIterator]() {
+          for await (const message of connection) {
+            if (!("params" in message) || message.params.subscription !== subscriptionId) {
+              continue;
+            }
+            const notification = message.params.result;
+            yield responseTransformer ? responseTransformer(notification, subscribeMethodName) : notification;
+          }
+        }
+      };
+    }
+  };
+}
+function makeProxy2(rpcConfig) {
+  return new Proxy(rpcConfig.api, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(target, p, receiver) {
+      return function(...rawParams) {
+        const methodName = p.toString();
+        const createRpcSubscription = Reflect.get(target, methodName, receiver);
+        if (p.toString().endsWith("Notifications") === false && !createRpcSubscription) {
+          throw new Error(
+            "Either the notification name must end in 'Notifications' or the API must supply a subscription creator function to map between the notification name and the subscribe/unsubscribe method names."
+          );
+        }
+        const newRequest = createRpcSubscription ? createRpcSubscription(...rawParams) : {
+          params: rawParams,
+          subscribeMethodName: methodName.replace(/Notifications$/, "Subscribe"),
+          unsubscribeMethodName: methodName.replace(/Notifications$/, "Unsubscribe")
+        };
+        return createPendingRpcSubscription(rpcConfig, newRequest);
+      };
+    }
+  });
+}
+function createJsonSubscriptionRpc(rpcConfig) {
+  return makeProxy2(rpcConfig);
+}
+
 // ../fetch-impl/dist/index.browser.js
@@ -83,2 +234,3 @@ var e = globalThis.fetch;
 var SolanaHttpError = class extends Error {
+  statusCode;
   constructor(details) {
@@ -145,12 +297,6 @@ super(`HTTP error (${details.statusCode}): ${details.message}`);
 // src/transports/http/http-transport.ts
-function createHttpTransport({ httpAgentNodeOnly, headers, url }) {
+function createHttpTransport({ headers, url }) {
   if (__DEV__ && headers) {
     assertIsAllowedHttpRequestHeaders(headers);
   }
-  const agent = void 0;
-  if (__DEV__ && httpAgentNodeOnly != null) {
-    console.warn(
-      "createHttpTransport(): The `httpAgentNodeOnly` config you supplied has been ignored; HTTP agents are only usable in Node environments."
-    );
-  }
   const customHeaders = headers && normalizeHeaders(headers);
@@ -163,3 +309,2 @@ return async function makeHttpRequest({
     const requestInfo = {
-      agent,
       body,
@@ -187,4 +332,176 @@ headers: {
 
-export { createHttpTransport, createJsonRpc };
+// ../ws-impl/dist/index.browser.js
+var e2 = globalThis.WebSocket;
+
+// src/transports/websocket/websocket-connection.ts
+var EXPLICIT_ABORT_TOKEN = Symbol(
+  __DEV__ ? "This symbol is thrown from a socket's iterator when the connection is explicitly aborted by the user" : void 0
+);
+async function createWebSocketConnection({
+  sendBufferHighWatermark,
+  signal,
+  url
+}) {
+  return new Promise((resolve, reject) => {
+    signal.addEventListener("abort", handleAbort, { once: true });
+    const iteratorState = /* @__PURE__ */ new Map();
+    function errorAndClearAllIteratorStates(reason) {
+      const errorCallbacks = [...iteratorState.values()].filter((state) => state.__hasPolled).map(({ onError }) => onError);
+      iteratorState.clear();
+      errorCallbacks.forEach((cb) => {
+        try {
+          cb(reason);
+        } catch {
+        }
+      });
+    }
+    function handleAbort() {
+      errorAndClearAllIteratorStates(EXPLICIT_ABORT_TOKEN);
+      if (webSocket.readyState !== e2.CLOSED && webSocket.readyState !== e2.CLOSING) {
+        webSocket.close(1e3);
+      }
+    }
+    function handleClose(ev) {
+      bufferDrainWatcher?.onCancel();
+      signal.removeEventListener("abort", handleAbort);
+      webSocket.removeEventListener("close", handleClose);
+      webSocket.removeEventListener("error", handleError);
+      webSocket.removeEventListener("open", handleOpen);
+      webSocket.removeEventListener("message", handleMessage);
+      errorAndClearAllIteratorStates(ev);
+    }
+    function handleError(ev) {
+      if (!hasConnected) {
+        reject(
+          // TODO: Coded error
+          new Error("WebSocket failed to connect", { cause: ev })
+        );
+      }
+    }
+    let hasConnected = false;
+    let bufferDrainWatcher;
+    function handleOpen() {
+      hasConnected = true;
+      resolve({
+        async send(payload) {
+          const message = JSON.stringify(payload);
+          if (!bufferDrainWatcher && webSocket.readyState === e2.OPEN && webSocket.bufferedAmount > sendBufferHighWatermark) {
+            let onCancel;
+            const promise = new Promise((resolve2, reject2) => {
+              const intervalId = setInterval(() => {
+                if (webSocket.readyState !== e2.OPEN || !(webSocket.bufferedAmount > sendBufferHighWatermark)) {
+                  clearInterval(intervalId);
+                  bufferDrainWatcher = void 0;
+                  resolve2();
+                }
+              }, 16);
+              onCancel = () => {
+                bufferDrainWatcher = void 0;
+                clearInterval(intervalId);
+                reject2(
+                  // TODO: Coded error
+                  new Error("WebSocket was closed before payload could be sent")
+                );
+              };
+            });
+            bufferDrainWatcher = {
+              // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+              // @ts-ignore
+              onCancel,
+              promise
+            };
+          }
+          if (bufferDrainWatcher) {
+            await bufferDrainWatcher.promise;
+          }
+          webSocket.send(message);
+        },
+        async *[Symbol.asyncIterator]() {
+          const iteratorKey = Symbol();
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          try {
+            while (true) {
+              const state = iteratorState.get(iteratorKey);
+              if (!state) {
+                throw new Error("Invariant: WebSocket message iterator is missing state storage");
+              }
+              if (state.__hasPolled) {
+                throw new Error(
+                  "Invariant: WebSocket message iterator state is corrupt; iterated without first resolving existing message promise"
+                );
+              }
+              const queuedMessages = state.queuedMessages;
+              if (queuedMessages.length) {
+                state.queuedMessages = [];
+                yield* queuedMessages;
+              } else {
+                try {
+                  yield await new Promise((resolve2, reject2) => {
+                    iteratorState.set(iteratorKey, {
+                      __hasPolled: true,
+                      onError: reject2,
+                      onMessage: resolve2
+                    });
+                  });
+                } catch (e3) {
+                  if (e3 === EXPLICIT_ABORT_TOKEN) {
+                    return;
+                  } else {
+                    throw new Error("WebSocket connection closed", { cause: e3 });
+                  }
+                }
+              }
+            }
+          } finally {
+            iteratorState.delete(iteratorKey);
+          }
+        }
+      });
+    }
+    function handleMessage({ data }) {
+      const message = JSON.parse(data);
+      iteratorState.forEach((state, iteratorKey) => {
+        if (state.__hasPolled) {
+          const { onMessage } = state;
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          onMessage(message);
+        } else {
+          state.queuedMessages.push(message);
+        }
+      });
+    }
+    const webSocket = new e2(url);
+    webSocket.addEventListener("close", handleClose);
+    webSocket.addEventListener("error", handleError);
+    webSocket.addEventListener("open", handleOpen);
+    webSocket.addEventListener("message", handleMessage);
+  });
+}
+
+// src/transports/websocket/websocket-transport.ts
+function createWebSocketTransport({ sendBufferHighWatermark, url }) {
+  if (/^wss?:/i.test(url) === false) {
+    const protocolMatch = url.match(/^([^:]+):/);
+    throw new DOMException(
+      protocolMatch ? `Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. '${protocolMatch[1]}:' is not allowed.` : `Failed to construct 'WebSocket': The URL '${url}' is invalid.`
+    );
+  }
+  return async function sendWebSocketMessage({ payload, signal }) {
+    signal?.throwIfAborted();
+    const connection = await createWebSocketConnection({
+      sendBufferHighWatermark,
+      signal,
+      url
+    });
+    signal?.throwIfAborted();
+    await connection.send(payload);
+    return {
+      [Symbol.asyncIterator]: connection[Symbol.asyncIterator].bind(connection),
+      send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: connection.send.bind(connection)
+    };
+  };
+}
+
+export { createHttpTransport, createJsonRpc, createJsonRpcApi, createJsonRpcSubscriptionsApi, createJsonSubscriptionRpc, createWebSocketTransport };
 //# sourceMappingURL=out.js.map
 //# sourceMappingURL=index.native.js.map

dist/index.node.js

@@ -1,2 +0,2 @@
-import t from 'node-fetch';
+import e2 from 'ws';
 
@@ -6,4 +6,59 @@ // ../build-scripts/env-shim.ts
 
+// src/apis/methods/methods-api.ts
+function createJsonRpcApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const methodName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, methodName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        return {
+          methodName,
+          params,
+          responseTransformer
+        };
+      };
+    }
+  });
+}
+
+// src/apis/subscriptions/subscriptions-api.ts
+function createJsonRpcSubscriptionsApi(config) {
+  return new Proxy({}, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(...args) {
+      const [_, p] = args;
+      const notificationName = p.toString();
+      return function(...rawParams) {
+        const params = config?.parametersTransformer ? config?.parametersTransformer(rawParams, notificationName) : rawParams;
+        const responseTransformer = config?.responseTransformer ? config?.responseTransformer : (rawResponse) => rawResponse;
+        const subscribeMethodName = config?.subscribeNotificationNameTransformer ? config?.subscribeNotificationNameTransformer(notificationName) : notificationName;
+        const unsubscribeMethodName = config?.unsubscribeNotificationNameTransformer ? config?.unsubscribeNotificationNameTransformer(notificationName) : notificationName;
+        return {
+          params,
+          responseTransformer,
+          subscribeMethodName,
+          unsubscribeMethodName
+        };
+      };
+    }
+  });
+}
+
 // src/json-rpc-errors.ts
 var SolanaJsonRpcError = class extends Error {
+  code;
+  data;
   constructor(details) {
@@ -42,3 +97,3 @@ super(`JSON-RPC 2.0 error (${details.code}): ${details.message}`);
     async send(options) {
-      const { methodName, params, responseProcessor } = pendingRequest;
+      const { methodName, params, responseTransformer } = pendingRequest;
       const payload = createJsonRpcMessage(methodName, params);
@@ -52,3 +107,3 @@ const response = await rpcConfig.transport({
       } else {
-        return responseProcessor ? responseProcessor(response.result) : response.result;
+        return responseTransformer ? responseTransformer(response.result, methodName) : response.result;
       }
@@ -79,6 +134,105 @@ }
 }
-var f = t;
 
+// src/json-rpc-subscription.ts
+function registerIterableCleanup(iterable, cleanupFn) {
+  (async () => {
+    try {
+      for await (const _ of iterable)
+        ;
+    } catch {
+    } finally {
+      cleanupFn();
+    }
+  })();
+}
+function createPendingRpcSubscription(rpcConfig, { params, subscribeMethodName, unsubscribeMethodName, responseTransformer }) {
+  return {
+    async subscribe({ abortSignal }) {
+      abortSignal.throwIfAborted();
+      let subscriptionId;
+      function handleCleanup() {
+        if (subscriptionId !== void 0) {
+          const payload = createJsonRpcMessage(unsubscribeMethodName, [subscriptionId]);
+          connection.send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED(payload).finally(() => {
+            connectionAbortController.abort();
+          });
+        } else {
+          connectionAbortController.abort();
+        }
+      }
+      abortSignal.addEventListener("abort", handleCleanup);
+      const connectionAbortController = new AbortController();
+      const subscribeMessage = createJsonRpcMessage(subscribeMethodName, params);
+      const connection = await rpcConfig.transport({
+        payload: subscribeMessage,
+        signal: connectionAbortController.signal
+      });
+      function handleConnectionCleanup() {
+        abortSignal.removeEventListener("abort", handleCleanup);
+      }
+      registerIterableCleanup(connection, handleConnectionCleanup);
+      for await (const message of connection) {
+        if ("id" in message && message.id === subscribeMessage.id) {
+          if ("error" in message) {
+            throw new SolanaJsonRpcError(message.error);
+          } else {
+            subscriptionId = message.result;
+            break;
+          }
+        }
+      }
+      if (subscriptionId == null) {
+        throw new Error("Failed to obtain a subscription id from the server");
+      }
+      return {
+        async *[Symbol.asyncIterator]() {
+          for await (const message of connection) {
+            if (!("params" in message) || message.params.subscription !== subscriptionId) {
+              continue;
+            }
+            const notification = message.params.result;
+            yield responseTransformer ? responseTransformer(notification, subscribeMethodName) : notification;
+          }
+        }
+      };
+    }
+  };
+}
+function makeProxy2(rpcConfig) {
+  return new Proxy(rpcConfig.api, {
+    defineProperty() {
+      return false;
+    },
+    deleteProperty() {
+      return false;
+    },
+    get(target, p, receiver) {
+      return function(...rawParams) {
+        const methodName = p.toString();
+        const createRpcSubscription = Reflect.get(target, methodName, receiver);
+        if (p.toString().endsWith("Notifications") === false && !createRpcSubscription) {
+          throw new Error(
+            "Either the notification name must end in 'Notifications' or the API must supply a subscription creator function to map between the notification name and the subscribe/unsubscribe method names."
+          );
+        }
+        const newRequest = createRpcSubscription ? createRpcSubscription(...rawParams) : {
+          params: rawParams,
+          subscribeMethodName: methodName.replace(/Notifications$/, "Subscribe"),
+          unsubscribeMethodName: methodName.replace(/Notifications$/, "Unsubscribe")
+        };
+        return createPendingRpcSubscription(rpcConfig, newRequest);
+      };
+    }
+  });
+}
+function createJsonSubscriptionRpc(rpcConfig) {
+  return makeProxy2(rpcConfig);
+}
+
+// ../fetch-impl/dist/index.node.js
+var e = globalThis.fetch;
+
 // src/transports/http/http-transport-errors.ts
 var SolanaHttpError = class extends Error {
+  statusCode;
   constructor(details) {
@@ -145,12 +299,6 @@ super(`HTTP error (${details.statusCode}): ${details.message}`);
 // src/transports/http/http-transport.ts
-function createHttpTransport({ httpAgentNodeOnly, headers, url }) {
+function createHttpTransport({ headers, url }) {
   if (__DEV__ && headers) {
     assertIsAllowedHttpRequestHeaders(headers);
   }
-  const agent = httpAgentNodeOnly ;
-  if (__DEV__ && httpAgentNodeOnly != null) {
-    console.warn(
-      "createHttpTransport(): The `httpAgentNodeOnly` config you supplied has been ignored; HTTP agents are only usable in Node environments."
-    );
-  }
   const customHeaders = headers && normalizeHeaders(headers);
@@ -163,3 +311,2 @@ return async function makeHttpRequest({
     const requestInfo = {
-      agent,
       body,
@@ -176,3 +323,3 @@ headers: {
     };
-    const response = await f(url, requestInfo);
+    const response = await e(url, requestInfo);
     if (!response.ok) {
@@ -187,5 +334,175 @@ throw new SolanaHttpError({
 }
+var t = e2;
 
-export { createHttpTransport, createJsonRpc };
+// src/transports/websocket/websocket-connection.ts
+var EXPLICIT_ABORT_TOKEN = Symbol(
+  __DEV__ ? "This symbol is thrown from a socket's iterator when the connection is explicitly aborted by the user" : void 0
+);
+async function createWebSocketConnection({
+  sendBufferHighWatermark,
+  signal,
+  url
+}) {
+  return new Promise((resolve, reject) => {
+    signal.addEventListener("abort", handleAbort, { once: true });
+    const iteratorState = /* @__PURE__ */ new Map();
+    function errorAndClearAllIteratorStates(reason) {
+      const errorCallbacks = [...iteratorState.values()].filter((state) => state.__hasPolled).map(({ onError }) => onError);
+      iteratorState.clear();
+      errorCallbacks.forEach((cb) => {
+        try {
+          cb(reason);
+        } catch {
+        }
+      });
+    }
+    function handleAbort() {
+      errorAndClearAllIteratorStates(EXPLICIT_ABORT_TOKEN);
+      if (webSocket.readyState !== t.CLOSED && webSocket.readyState !== t.CLOSING) {
+        webSocket.close(1e3);
+      }
+    }
+    function handleClose(ev) {
+      bufferDrainWatcher?.onCancel();
+      signal.removeEventListener("abort", handleAbort);
+      webSocket.removeEventListener("close", handleClose);
+      webSocket.removeEventListener("error", handleError);
+      webSocket.removeEventListener("open", handleOpen);
+      webSocket.removeEventListener("message", handleMessage);
+      errorAndClearAllIteratorStates(ev);
+    }
+    function handleError(ev) {
+      if (!hasConnected) {
+        reject(
+          // TODO: Coded error
+          new Error("WebSocket failed to connect", { cause: ev })
+        );
+      }
+    }
+    let hasConnected = false;
+    let bufferDrainWatcher;
+    function handleOpen() {
+      hasConnected = true;
+      resolve({
+        async send(payload) {
+          const message = JSON.stringify(payload);
+          if (!bufferDrainWatcher && webSocket.readyState === t.OPEN && webSocket.bufferedAmount > sendBufferHighWatermark) {
+            let onCancel;
+            const promise = new Promise((resolve2, reject2) => {
+              const intervalId = setInterval(() => {
+                if (webSocket.readyState !== t.OPEN || !(webSocket.bufferedAmount > sendBufferHighWatermark)) {
+                  clearInterval(intervalId);
+                  bufferDrainWatcher = void 0;
+                  resolve2();
+                }
+              }, 16);
+              onCancel = () => {
+                bufferDrainWatcher = void 0;
+                clearInterval(intervalId);
+                reject2(
+                  // TODO: Coded error
+                  new Error("WebSocket was closed before payload could be sent")
+                );
+              };
+            });
+            bufferDrainWatcher = {
+              // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+              // @ts-ignore
+              onCancel,
+              promise
+            };
+          }
+          if (bufferDrainWatcher) {
+            await bufferDrainWatcher.promise;
+          }
+          webSocket.send(message);
+        },
+        async *[Symbol.asyncIterator]() {
+          const iteratorKey = Symbol();
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          try {
+            while (true) {
+              const state = iteratorState.get(iteratorKey);
+              if (!state) {
+                throw new Error("Invariant: WebSocket message iterator is missing state storage");
+              }
+              if (state.__hasPolled) {
+                throw new Error(
+                  "Invariant: WebSocket message iterator state is corrupt; iterated without first resolving existing message promise"
+                );
+              }
+              const queuedMessages = state.queuedMessages;
+              if (queuedMessages.length) {
+                state.queuedMessages = [];
+                yield* queuedMessages;
+              } else {
+                try {
+                  yield await new Promise((resolve2, reject2) => {
+                    iteratorState.set(iteratorKey, {
+                      __hasPolled: true,
+                      onError: reject2,
+                      onMessage: resolve2
+                    });
+                  });
+                } catch (e3) {
+                  if (e3 === EXPLICIT_ABORT_TOKEN) {
+                    return;
+                  } else {
+                    throw new Error("WebSocket connection closed", { cause: e3 });
+                  }
+                }
+              }
+            }
+          } finally {
+            iteratorState.delete(iteratorKey);
+          }
+        }
+      });
+    }
+    function handleMessage({ data }) {
+      const message = JSON.parse(data);
+      iteratorState.forEach((state, iteratorKey) => {
+        if (state.__hasPolled) {
+          const { onMessage } = state;
+          iteratorState.set(iteratorKey, { __hasPolled: false, queuedMessages: [] });
+          onMessage(message);
+        } else {
+          state.queuedMessages.push(message);
+        }
+      });
+    }
+    const webSocket = new t(url);
+    webSocket.addEventListener("close", handleClose);
+    webSocket.addEventListener("error", handleError);
+    webSocket.addEventListener("open", handleOpen);
+    webSocket.addEventListener("message", handleMessage);
+  });
+}
+
+// src/transports/websocket/websocket-transport.ts
+function createWebSocketTransport({ sendBufferHighWatermark, url }) {
+  if (/^wss?:/i.test(url) === false) {
+    const protocolMatch = url.match(/^([^:]+):/);
+    throw new DOMException(
+      protocolMatch ? `Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. '${protocolMatch[1]}:' is not allowed.` : `Failed to construct 'WebSocket': The URL '${url}' is invalid.`
+    );
+  }
+  return async function sendWebSocketMessage({ payload, signal }) {
+    signal?.throwIfAborted();
+    const connection = await createWebSocketConnection({
+      sendBufferHighWatermark,
+      signal,
+      url
+    });
+    signal?.throwIfAborted();
+    await connection.send(payload);
+    return {
+      [Symbol.asyncIterator]: connection[Symbol.asyncIterator].bind(connection),
+      send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: connection.send.bind(connection)
+    };
+  };
+}
+
+export { createHttpTransport, createJsonRpc, createJsonRpcApi, createJsonRpcSubscriptionsApi, createJsonSubscriptionRpc, createWebSocketTransport };
 //# sourceMappingURL=out.js.map
 //# sourceMappingURL=index.node.js.map

dist/types/index.d.ts

@@ -1,3 +0,12 @@
-export * from './json-rpc';
-export * from './transports/http/http-transport';
+export * from './apis/api-types.js';
+export * from './apis/methods/methods-api.js';
+export * from './apis/subscriptions/subscriptions-api.js';
+export * from './json-rpc.js';
+export type { SolanaJsonRpcErrorCode } from './json-rpc-errors.js';
+export * from './json-rpc-subscription.js';
+export type { IRpcApi, IRpcSubscriptionsApi, IRpcWebSocketTransport, PendingRpcSubscription, Rpc, RpcRequest, RpcSubscription, RpcSubscriptions, } from './json-rpc-types.js';
+export * from './transports/http/http-transport.js';
+export * from './transports/websocket/websocket-transport.js';
+export type { IRpcTransport } from './transports/transport-types.js';
+export * from './transports/websocket/websocket-transport.js';
 //# sourceMappingURL=index.d.ts.map

dist/types/json-rpc-types.d.ts

@@ -1,2 +0,2 @@
-import { IRpcTransport } from './transports/transport-types';
+import { IRpcTransport, IRpcWebSocketTransport } from './transports/transport-types.js';
 /**
@@ -6,5 +6,9 @@ * Public RPC API.
 export type IRpcApi<TRpcMethods> = {
-    [MethodName in keyof TRpcMethods]: TRpcMethods[MethodName] extends Callable ? (...rawParams: unknown[]) => RpcRequest<ReturnType<TRpcMethods[MethodName]>> : never;
+    [MethodName in keyof TRpcMethods]: RpcReturnTypeMapper<TRpcMethods[MethodName]>;
 };
+export type IRpcSubscriptionsApi<TRpcSubscriptionMethods> = {
+    [MethodName in keyof TRpcSubscriptionMethods]: RpcSubscriptionReturnTypeMapper<TRpcSubscriptionMethods[MethodName]>;
+};
 export type Rpc<TRpcMethods> = RpcMethods<TRpcMethods>;
+export type RpcSubscriptions<TRpcSubscriptionMethods> = RpcSubscriptionMethods<TRpcSubscriptionMethods>;
 export type RpcConfig<TRpcMethods> = Readonly<{
@@ -14,2 +18,6 @@ api: IRpcApi<TRpcMethods>;
 }>;
+export type RpcSubscriptionConfig<TRpcMethods> = Readonly<{
+    api: IRpcSubscriptionsApi<TRpcMethods>;
+    transport: IRpcWebSocketTransport;
+}>;
 /**
@@ -21,20 +29,42 @@ * Public pending RPC request API.
     params: unknown[];
-    responseProcessor?: (response: unknown) => TResponse;
+    responseTransformer?: (response: unknown, methodName: string) => TResponse;
 };
+export type RpcSubscription<TResponse> = {
+    params: unknown[];
+    responseTransformer?: (response: unknown, notificationName: string) => TResponse;
+    subscribeMethodName: string;
+    unsubscribeMethodName: string;
+};
 export type PendingRpcRequest<TResponse> = {
     send(options?: SendOptions): Promise<TResponse>;
 };
+export type PendingRpcSubscription<TNotification> = {
+    subscribe(options: SubscribeOptions): Promise<AsyncIterable<TNotification>>;
+};
 export type SendOptions = Readonly<{
     abortSignal?: AbortSignal;
 }>;
+export type SubscribeOptions = Readonly<{
+    abortSignal: AbortSignal;
+}>;
 /**
  * Private RPC-building types.
  */
+type RpcReturnTypeMapper<TRpcMethod> = TRpcMethod extends Callable ? (...rawParams: unknown[]) => RpcRequest<ReturnType<TRpcMethod>> : never;
+type RpcSubscriptionReturnTypeMapper<TRpcMethod> = TRpcMethod extends Callable ? (...rawParams: unknown[]) => RpcSubscription<ReturnType<TRpcMethod>> : never;
 type RpcMethods<TRpcMethods> = {
     [TMethodName in keyof TRpcMethods]: PendingRpcRequestBuilder<ApiMethodImplementations<TRpcMethods, TMethodName>>;
 };
+type RpcSubscriptionMethods<TRpcSubscriptionMethods> = {
+    [TMethodName in keyof TRpcSubscriptionMethods]: PendingRpcSubscriptionBuilder<ApiMethodImplementations<TRpcSubscriptionMethods, TMethodName>>;
+};
 type ApiMethodImplementations<TRpcMethods, TMethod extends keyof TRpcMethods> = Overloads<TRpcMethods[TMethod]>;
+type PendingRpcRequestReturnTypeMapper<TMethodImplementation> = TMethodImplementation extends Callable ? (...args: Parameters<TMethodImplementation>) => PendingRpcRequest<ReturnType<TMethodImplementation>> : never;
 type PendingRpcRequestBuilder<TMethodImplementations> = UnionToIntersection<Flatten<{
-    [P in keyof TMethodImplementations]: TMethodImplementations[P] extends Callable ? (...args: Parameters<TMethodImplementations[P]>) => PendingRpcRequest<ReturnType<TMethodImplementations[P]>> : never;
+    [P in keyof TMethodImplementations]: PendingRpcRequestReturnTypeMapper<TMethodImplementations[P]>;
 }>>;
+type PendingRpcSubscriptionReturnTypeMapper<TSubscriptionMethodImplementation> = TSubscriptionMethodImplementation extends Callable ? (...args: Parameters<TSubscriptionMethodImplementation>) => PendingRpcSubscription<ReturnType<TSubscriptionMethodImplementation>> : never;
+type PendingRpcSubscriptionBuilder<TSubscriptionMethodImplementations> = UnionToIntersection<Flatten<{
+    [P in keyof TSubscriptionMethodImplementations]: PendingRpcSubscriptionReturnTypeMapper<TSubscriptionMethodImplementations[P]>;
+}>>;
 /**
@@ -45,3 +75,4 @@ * Utility types that do terrible, awful things.
 type Flatten<T> = T extends (infer Item)[] ? Item : never;
-type Overloads<T> = T extends {
+type Overloads<T> = Overloads24<T>;
+type Overloads24<T> = T extends {
     (...args: infer A1): infer R1;
@@ -52,3 +83,48 @@ (...args: infer A2): infer R2;
     (...args: infer A5): infer R5;
-} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3, (...args: A4) => R4, (...args: A5) => R5] : T extends {
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+    (...args: infer A20): infer R20;
+    (...args: infer A21): infer R21;
+    (...args: infer A22): infer R22;
+    (...args: infer A23): infer R23;
+    (...args: infer A24): infer R24;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19,
+    (...args: A20) => R20,
+    (...args: A21) => R21,
+    (...args: A22) => R22,
+    (...args: A23) => R23,
+    (...args: A24) => R24
+] : Overloads23<T>;
+type Overloads23<T> = T extends {
     (...args: infer A1): infer R1;
@@ -58,14 +134,600 @@ (...args: infer A2): infer R2;
     (...args: infer A4): infer R4;
-} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3, (...args: A4) => R4] : T extends {
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+    (...args: infer A20): infer R20;
+    (...args: infer A21): infer R21;
+    (...args: infer A22): infer R22;
+    (...args: infer A23): infer R23;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19,
+    (...args: A20) => R20,
+    (...args: A21) => R21,
+    (...args: A22) => R22,
+    (...args: A23) => R23
+] : Overloads22<T>;
+type Overloads22<T> = T extends {
     (...args: infer A1): infer R1;
     (...args: infer A2): infer R2;
     (...args: infer A3): infer R3;
-} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3] : T extends {
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+    (...args: infer A20): infer R20;
+    (...args: infer A21): infer R21;
+    (...args: infer A22): infer R22;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19,
+    (...args: A20) => R20,
+    (...args: A21) => R21,
+    (...args: A22) => R22
+] : Overloads21<T>;
+type Overloads21<T> = T extends {
     (...args: infer A1): infer R1;
     (...args: infer A2): infer R2;
-} ? [(...args: A1) => R1, (...args: A2) => R2] : T extends {
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+    (...args: infer A20): infer R20;
+    (...args: infer A21): infer R21;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19,
+    (...args: A20) => R20,
+    (...args: A21) => R21
+] : Overloads20<T>;
+type Overloads20<T> = T extends {
     (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+    (...args: infer A20): infer R20;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19,
+    (...args: A20) => R20
+] : Overloads19<T>;
+type Overloads19<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+    (...args: infer A19): infer R19;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18,
+    (...args: A19) => R19
+] : Overloads18<T>;
+type Overloads18<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+    (...args: infer A18): infer R18;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17,
+    (...args: A18) => R18
+] : Overloads17<T>;
+type Overloads17<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+    (...args: infer A17): infer R17;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16,
+    (...args: A17) => R17
+] : Overloads16<T>;
+type Overloads16<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+    (...args: infer A16): infer R16;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15,
+    (...args: A16) => R16
+] : Overloads15<T>;
+type Overloads15<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+    (...args: infer A15): infer R15;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14,
+    (...args: A15) => R15
+] : Overloads14<T>;
+type Overloads14<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+    (...args: infer A14): infer R14;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13,
+    (...args: A14) => R14
+] : Overloads13<T>;
+type Overloads13<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+    (...args: infer A13): infer R13;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12,
+    (...args: A13) => R13
+] : Overloads12<T>;
+type Overloads12<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+    (...args: infer A12): infer R12;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11,
+    (...args: A12) => R12
+] : Overloads11<T>;
+type Overloads11<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+    (...args: infer A11): infer R11;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10,
+    (...args: A11) => R11
+] : Overloads10<T>;
+type Overloads10<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+    (...args: infer A10): infer R10;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9,
+    (...args: A10) => R10
+] : Overloads9<T>;
+type Overloads9<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+    (...args: infer A9): infer R9;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8,
+    (...args: A9) => R9
+] : Overloads8<T>;
+type Overloads8<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+    (...args: infer A8): infer R8;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7,
+    (...args: A8) => R8
+] : Overloads7<T>;
+type Overloads7<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+    (...args: infer A7): infer R7;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6,
+    (...args: A7) => R7
+] : Overloads6<T>;
+type Overloads6<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+    (...args: infer A6): infer R6;
+} ? [
+    (...args: A1) => R1,
+    (...args: A2) => R2,
+    (...args: A3) => R3,
+    (...args: A4) => R4,
+    (...args: A5) => R5,
+    (...args: A6) => R6
+] : Overloads5<T>;
+type Overloads5<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+    (...args: infer A5): infer R5;
+} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3, (...args: A4) => R4, (...args: A5) => R5] : Overloads4<T>;
+type Overloads4<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+    (...args: infer A4): infer R4;
+} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3, (...args: A4) => R4] : Overloads3<T>;
+type Overloads3<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+    (...args: infer A3): infer R3;
+} ? [(...args: A1) => R1, (...args: A2) => R2, (...args: A3) => R3] : Overloads2<T>;
+type Overloads2<T> = T extends {
+    (...args: infer A1): infer R1;
+    (...args: infer A2): infer R2;
+} ? [(...args: A1) => R1, (...args: A2) => R2] : Overloads1<T>;
+type Overloads1<T> = T extends {
+    (...args: infer A1): infer R1;
 } ? [(...args: A1) => R1] : unknown;
 type UnionToIntersection<T> = (T extends unknown ? (x: T) => unknown : never) extends (x: infer R) => unknown ? R : never;
-export {};
+export type { IRpcWebSocketTransport };
 //# sourceMappingURL=json-rpc-types.d.ts.map

dist/types/json-rpc.d.ts

@@ -1,3 +0,16 @@
-import { Rpc, RpcConfig } from './json-rpc-types';
+import { Rpc, RpcConfig } from './json-rpc-types.js';
+interface IHasIdentifier {
+    readonly id: number;
+}
+export type JsonRpcResponse<TResponse> = IHasIdentifier & Readonly<{
+    result: TResponse;
+} | {
+    error: {
+        code: number;
+        message: string;
+        data?: unknown;
+    };
+}>;
 export declare function createJsonRpc<TRpcMethods>(rpcConfig: RpcConfig<TRpcMethods>): Rpc<TRpcMethods>;
+export {};
 //# sourceMappingURL=json-rpc.d.ts.map

dist/types/transports/http/http-transport.d.ts

@@ -1,14 +0,9 @@
-/// <reference types="node" />
-/// <reference types="node" />
-import type { Agent as NodeHttpAgent } from 'node:http';
-import type { Agent as NodeHttpsAgent } from 'node:https';
-import { IRpcTransport } from '../transport-types';
-import { AllowedHttpRequestHeaders } from './http-transport-headers';
+import { IRpcTransport } from '../transport-types.js';
+import { AllowedHttpRequestHeaders } from './http-transport-headers.js';
 type Config = Readonly<{
     headers?: AllowedHttpRequestHeaders;
-    httpAgentNodeOnly?: NodeHttpAgent | NodeHttpsAgent | ((parsedUrl: URL) => NodeHttpAgent | NodeHttpsAgent);
     url: string;
 }>;
-export declare function createHttpTransport({ httpAgentNodeOnly, headers, url }: Config): IRpcTransport;
+export declare function createHttpTransport({ headers, url }: Config): IRpcTransport;
 export {};
 //# sourceMappingURL=http-transport.d.ts.map

dist/types/transports/transport-types.d.ts

@@ -0,1 +1,2 @@
+import { RpcWebSocketConnection } from './websocket/websocket-connection.js';
 type RpcTransportConfig = Readonly<{
@@ -8,3 +9,12 @@ payload: unknown;
 }
+type RpcWebSocketTransportConfig = Readonly<{
+    payload: unknown;
+    signal: AbortSignal;
+}>;
+export interface IRpcWebSocketTransport {
+    (config: RpcWebSocketTransportConfig): Promise<Readonly<Omit<RpcWebSocketConnection, 'send'> & {
+        send_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: RpcWebSocketConnection['send'];
+    }>>;
+}
 export {};
 //# sourceMappingURL=transport-types.d.ts.map

package.json

 {
   "name": "@solana/rpc-transport",
-  "version": "2.0.0-experimental.f291d36",
+  "version": "2.0.0-experimental.f2a2e5b",
   "description": "Network transports for accessing the Solana JSON RPC API",
@@ -49,24 +49,22 @@ "exports": {
   "devDependencies": {
-    "@solana/eslint-config-solana": "^1.0.1",
-    "@swc/core": "^1.3.18",
-    "@swc/jest": "^0.2.26",
-    "@types/jest": "^29.5.1",
-    "@types/node": "^16",
-    "@typescript-eslint/eslint-plugin": "^5.57.1",
-    "@typescript-eslint/parser": "^5.57.1",
+    "@solana/eslint-config-solana": "^1.0.2",
+    "@swc/jest": "^0.2.29",
+    "@types/jest": "^29.5.11",
+    "@types/node": "18.11.19",
+    "@typescript-eslint/eslint-plugin": "^6.13.2",
+    "@typescript-eslint/parser": "^6.3.0",
     "agadoo": "^3.0.0",
-    "eslint": "^8.37.0",
-    "eslint-plugin-jest": "^27.1.5",
-    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint": "^8.45.0",
+    "eslint-plugin-jest": "^27.4.2",
     "eslint-plugin-sort-keys-fix": "^1.1.2",
-    "jest": "^29.5.0",
-    "jest-environment-jsdom": "^29.5.0",
+    "fast-stable-stringify": "^1.0.0",
+    "jest": "^29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
     "jest-fetch-mock-fork": "^3.0.4",
-    "jest-runner-eslint": "^2.1.0",
+    "jest-runner-eslint": "^2.1.2",
     "jest-runner-prettier": "^1.0.0",
-    "postcss": "^8.4.12",
-    "prettier": "^2.8.8",
-    "ts-node": "^10.9.1",
-    "tsup": "6.7.0",
-    "typescript": "^5.0.4",
+    "jest-websocket-mock": "^2.5.0",
+    "prettier": "^3.1",
+    "tsup": "^8.0.1",
+    "typescript": "^5.2.2",
     "version-from-git": "^1.1.1",
@@ -76,4 +74,8 @@ "build-scripts": "0.0.0",
     "test-config": "0.0.0",
-    "tsconfig": "0.0.0"
+    "tsconfig": "0.0.0",
+    "ws-impl": "0.0.0"
   },
+  "peerDependencies": {
+    "ws": "^8.14.0"
+  },
   "bundlewatch": {
@@ -89,10 +91,11 @@ "defaultCompression": "gzip",
     "compile:js": "tsup --config build-scripts/tsup.config.package.ts",
-    "compile:typedefs": "tsc -p ./tsconfig.declarations.json",
+    "compile:typedefs": "tsc -p ./tsconfig.declarations.json && node node_modules/build-scripts/add-js-extension-to-types.mjs",
     "dev": "jest -c node_modules/test-config/jest-dev.config.ts --rootDir . --watch",
     "publish-packages": "pnpm publish --tag experimental --access public --no-git-checks",
+    "style:fix": "pnpm eslint --fix src/* && pnpm prettier -w src/* package.json",
     "test:lint": "jest -c node_modules/test-config/jest-lint.config.ts --rootDir . --silent",
     "test:prettier": "jest -c node_modules/test-config/jest-prettier.config.ts --rootDir . --silent",
     "test:treeshakability:browser": "agadoo dist/index.browser.js",
-    "test:treeshakability:native": "agadoo dist/index.node.js",
-    "test:treeshakability:node": "agadoo dist/index.native.js",
+    "test:treeshakability:native": "agadoo dist/index.native.js",
+    "test:treeshakability:node": "agadoo dist/index.node.js",
     "test:typecheck": "tsc --noEmit",
@@ -99,0 +102,0 @@ "test:unit:browser": "jest -c node_modules/test-config/jest-unit.config.browser.ts --rootDir . --silent",

README.md

@@ -58,3 +58,3 @@ [![npm][npm-image]][npm-url]
             // Provide an optional function to modify the response.
-            responseProcessor: response => ({
+            responseTransformer: response => ({
                 confirmedBlocks: response,
@@ -61,0 +61,0 @@ queryRange: [startSlot, endSlot],

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Improved metrics

Total package byte prevSize

388032

increased by217.1%

Dev dependency count

26

decreased by-3.7%

Number of package files

46

increased by91.67%

Lines of code

3816

increased by217.21%

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Dependency count

1

increased byInfinity%

Number of medium supply chain risk alerts

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increased byInfinity%

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