@provablehq/sdk/dist/testnet/worker.js

A Software Development Kit (SDK) for Zero-Knowledge Transactions

import 'core-js/proposals/json-parse-with-source.js';
import { initThreadPool, PrivateKey, verifyFunctionExecution } from '@provablehq/wasm/testnet.js';
import { P as ProgramManager, A as AleoKeyProvider, a as AleoKeyProviderParams } from './program-manager-BR5taTR7.js';
import { expose } from 'comlink';

await initThreadPool();
const defaultHost = "https://api.explorer.provable.com/v1";
const keyProvider = new AleoKeyProvider();
const programManager = new ProgramManager(defaultHost, keyProvider, undefined);
keyProvider.useCache(true);
let lastLocalProgram = "";
async function run(localProgram, aleoFunction, inputs, privateKey, proveExecution = false) {
    console.log("Web worker: Executing function locally...");
    const startTime = performance.now();
    // Ensure the program is valid and that it contains the function specified
    let program;
    try {
        program = programManager.createProgramFromSource(localProgram);
    }
    catch (e) {
        throw new Error("Error creating program from source");
    }
    const program_id = program.id();
    if (!program.hasFunction(aleoFunction)) {
        throw new Error(`Program ${program_id} does not contain function ${aleoFunction}`);
    }
    const cacheKey = `${program_id}:${aleoFunction}`;
    // Get the program imports
    let imports;
    try {
        imports = await programManager.networkClient.getProgramImports(localProgram);
    }
    catch (e) {
        throw new Error("Error getting program imports");
    }
    // Get the proving and verifying keys for the function
    if (lastLocalProgram !== localProgram) {
        const keys = await programManager.synthesizeKeys(localProgram, aleoFunction, inputs, PrivateKey.from_string(privateKey));
        programManager.keyProvider.cacheKeys(cacheKey, keys);
        lastLocalProgram = localProgram;
    }
    // Pass the cache key to the execute function
    const keyParams = new AleoKeyProviderParams({
        cacheKey: cacheKey,
    });
    // Execute the function locally
    const response = await programManager.run(localProgram, aleoFunction, inputs, proveExecution, imports, keyParams, undefined, undefined, PrivateKey.from_string(privateKey));
    // Return the outputs to the main thread
    console.log(`Web worker: Local execution completed in ${performance.now() - startTime} ms`);
    const outputs = response.getOutputs();
    const execution = response.getExecution();
    let executionString = "";
    let keys;
    try {
        keys = keyProvider.getKeys(cacheKey);
    }
    catch (e) {
        throw new Error("Could not get verifying key");
    }
    const verifyingKey = keys[1];
    if (execution) {
        verifyFunctionExecution(execution, verifyingKey, program, "hello");
        executionString = execution.toString();
        console.log("Execution verified successfully: " + execution);
    }
    else {
        executionString = "";
    }
    console.log(`Function execution response: ${outputs}`);
    return { outputs: outputs, execution: executionString };
}
async function getPrivateKey() {
    const privateKey = new PrivateKey();
    return privateKey.to_string();
}
const workerAPI = { run, getPrivateKey };
expose(workerAPI);
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