Merge pull request #1077 from ProvableHQ/rr-delegated-proving-api

[Feature] Add proving request to network client

Author: Roee-87

create-leo-app/template-node/index.js

@@ -56,4 +56,4 @@ async function localProgramExecution(program, programName, aleoFunction, inputs)
 const start = Date.now();
 console.log("Starting execute!");
 await localProgramExecution(hello_hello_program, programName, "hello", ["5u32", "5u32"]);
-console.log("Execute finished!", Date.now() - start);
+console.log("Execute finished!", Date.now() - start);

sdk/src/network-client.ts

@@ -7,11 +7,13 @@ import {
     Plaintext,
     RecordCiphertext,
     Program,
+    ProvingRequest,
     RecordPlaintext,
     PrivateKey,
     Transaction,
 } from "./wasm.js";
 import { ConfirmedTransactionJSON } from "./models/confirmed_transaction.js";
+import { ProvingResponse } from "./models/provingResponse.js";
 
 type ProgramImports = { [key: string]: string | Program };
 
@@ -1592,6 +1594,44 @@ class AleoNetworkClient {
         }
     }
 
+    /**
+     * Submit a `ProvingRequest` to a remote proving service for delegated proving. If the broadcast flag of the `ProvingRequest` is set to `true` the remote service will attempt to broadcast the result `Transaction` on behalf of the requestor.
+     *
+     * @param {ProvingRequest | string} provingRequest - The `ProvingRequest` (generated by the ProgramManager) to submit.
+     * @param {string} url - (Optional) The url of the proving service.
+     * @returns {Promise<ProvingResponse>} The ProvingResponse containing the transaction result and the result of the broadcast if the `broadcast` flag was set to `true`.
+     */
+    async submitProvingRequest(provingRequest: ProvingRequest | string, url?: string): Promise<ProvingResponse> {
+        const prover_uri = url ? url : this.host;
+        const provingRequestString =
+            provingRequest instanceof ProvingRequest
+                ? provingRequest.toString()
+                : provingRequest;
+        try {
+            const response = await retryWithBackoff(() =>
+                post(prover_uri + "/prove", {
+                    body: provingRequestString,
+                    headers: Object.assign({}, {...this.headers, "X-ALEO-METHOD": "submitProvingRequest"}, {
+                        "Content-Type": "application/json",
+                    }),
+                }),
+            );
+
+            try {
+                const text = await response.text();
+                return parseJSON(text);
+            } catch (error: any) {
+                throw new Error(
+                    `Error posting proving request. Aleo network response: ${error.message}`,
+                );
+            }
+        } catch (error: any) {
+            throw new Error(
+                `Error posting proving request: No response received: ${error.message}`,
+            );
+        }
+    }
+
     /**
      * Await a submitted transaction to be confirmed or rejected on the Aleo network.
      *