Function generate

src/rpcwallet.cpp:3387–3428

}

UniValue generate(const UniValue& params, bool fHelp)
{
    if (!EnsureWalletIsAvailable(fHelp)) {
        return NullUniValue;
    }

    if (fHelp || params.size() < 1 || params.size() > 2) {
        throw std::runtime_error(
            "generate nblocks ( maxtries )\n"
            "\nMine up to nblocks blocks immediately (before the RPC call returns) to an address in the wallet.\n"
            "\nArguments:\n"
            "1. nblocks      (numeric, required) How many blocks are generated immediately.\n"
            "2. maxtries     (numeric, optional) How many iterations to try (default = 1000000).\n"
            "\nResult:\n"
            "[ blockhashes ]     (array) hashes of blocks generated\n"
            "\nExamples:\n"
            "\nGenerate 11 blocks\n"
            + HelpExampleCli("generate", "11")
        );
    }

    int num_generate = params[0].get_int();
    uint64_t max_tries = 1000000;
    if (!params[1].isNull()) {
        max_tries = params[1].get_int();
    }

    std::shared_ptr<CReserveScript> coinbase_script;
    pwalletMain->GetScriptForMining(coinbase_script);

    // If the keypool is exhausted, no script is returned at all.  Catch this.
    if (!coinbase_script) {
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
    }

    //throw an error if no script was provided
    if (coinbase_script->reserveScript.empty()) {
        throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available");
    }

    return generateBlocks(coinbase_script, num_generate, max_tries, true);
}