dap_chain_node_cli_cmd.c

    dap_chain_datum_t * l_datum_emission = dap_chain_datum_create(DAP_CHAIN_DATUM_TOKEN_EMISSION,
            l_token_emission,
            sizeof(dap_chain_datum_token_emission_t));
    size_t l_datum_emission_size = sizeof(l_datum_emission->header) + l_datum_emission->header.data_size;

    DAP_DELETE(l_token_emission);

    dap_chain_hash_fast_t l_key_hash;
    dap_hash_fast(l_datum_emission, l_datum_emission_size, &l_key_hash);
    char * l_key_str = dap_chain_hash_fast_to_str_new(&l_key_hash);

    // Add to mempool emission token
    if(dap_chain_global_db_gr_set(l_key_str, (uint8_t *) l_datum_emission, l_datum_emission_size
            , l_gdb_group_mempool)) {
        str_reply_tmp = dap_strdup_printf("datum emission %s is placed in datum pool ", l_key_str);
    }
    else {
        dap_chain_node_cli_set_reply_text(str_reply, "datum emission %s is not placed in datum pool ", l_key_str);
        return -1;
    }
    DAP_DELETE(l_key_str);

    // create first transaction (with tx_token)
    dap_chain_datum_tx_t *l_tx = DAP_NEW_Z_SIZE(dap_chain_datum_tx_t, sizeof(dap_chain_datum_tx_t));
    dap_chain_hash_fast_t l_tx_prev_hash = { 0 };
    dap_chain_hash_fast_t l_datum_token_hash = { 0 };
    // create items
    dap_chain_tx_token_t *l_tx_token = dap_chain_datum_tx_item_token_create(&l_token_emission_hash, l_ticker);
    dap_chain_tx_in_t *l_in = dap_chain_datum_tx_item_in_create(&l_tx_prev_hash, 0);
    dap_chain_tx_out_t *l_out = dap_chain_datum_tx_item_out_create(l_addr, l_emission_value);

    // pack items to transaction
    dap_chain_datum_tx_add_item(&l_tx, (const uint8_t*) l_tx_token);
    dap_chain_datum_tx_add_item(&l_tx, (const uint8_t*) l_in);
    dap_chain_datum_tx_add_item(&l_tx, (const uint8_t*) l_out);

    // Sign all that we have with certs
    for(size_t i = 0; i < l_certs_count; i++) {
        if(dap_chain_datum_tx_add_sign_item(&l_tx, l_certs[i]->enc_key) < 0) {
            dap_chain_node_cli_set_reply_text(str_reply, "No private key for certificate=%s",
                    l_certs[i]->name);
            return -3;
        }
    }

    DAP_DELETE(l_certs);
    DAP_DELETE(l_tx_token);
    DAP_DELETE(l_in);
    DAP_DELETE(l_out);

    size_t l_tx_size = dap_chain_datum_tx_get_size(l_tx);

    // Pack transaction into the datum
    dap_chain_datum_t * l_datum_tx = dap_chain_datum_create(DAP_CHAIN_DATUM_TX, l_tx, l_tx_size);
    size_t l_datum_tx_size = dap_chain_datum_size(l_datum_tx);

    // use l_tx hash for compatible with utho hash
    //dap_hash_fast(l_tx, l_tx_size, &l_key_hash); //dap_hash_fast(l_datum_tx, l_datum_tx_size, &l_key_hash);
    // calc datum hash
    dap_hash_fast(l_datum_tx, l_datum_tx_size, &l_key_hash);
    l_key_str = dap_chain_hash_fast_to_str_new(&l_key_hash);
    DAP_DELETE(l_tx);


    // Add to mempool tx token
    if(dap_chain_global_db_gr_set(l_key_str, (uint8_t *) l_datum_tx, l_datum_tx_size
            , l_gdb_group_mempool)) {
        dap_chain_node_cli_set_reply_text(str_reply, "%s\ndatum tx %s is placed in datum pool ", str_reply_tmp, l_key_str);
        dap_chain_utxo_tx_add((dap_chain_datum_tx_t*) l_datum_tx->data);
    }
    else {
        dap_chain_node_cli_set_reply_text(str_reply, "%s\ndatum tx %s is not placed in datum pool ", str_reply_tmp,
                l_key_str);
        return -2;
    }
    DAP_DELETE(str_reply_tmp);
    DAP_DELETE(l_key_str);

    return 0;
}

/**
 * com_tx_cond_create command
 *
 * Create transaction
 */
int com_tx_cond_create(int argc, const char ** argv, char **str_reply)
{
    // test
    const char * l_token_ticker = NULL;
    const char *c_wallets_path = dap_config_get_item_str(g_config, "general", "wallets_path");
    const char *c_wallet_name_from = "w_tesla"; // where to take coins for service
    const char *c_wallet_name_cond = "w_picnic"; // who will be use service, usually the same address (addr_from)
    uint64_t l_value = 50;
    //debug
    {
        dap_chain_wallet_t * l_wallet_tesla = dap_chain_wallet_open("w_picnic", c_wallets_path);
        const dap_chain_addr_t *l_addr_tesla = dap_chain_wallet_get_addr(l_wallet_tesla);
        char *addr = dap_chain_addr_to_str(l_addr_tesla);
        addr = 0;
    }

    dap_chain_wallet_t *l_wallet_from = dap_chain_wallet_open(c_wallet_name_from, c_wallets_path);
    dap_enc_key_t *l_key = dap_chain_wallet_get_key(l_wallet_from, 0);
    dap_chain_wallet_t *l_wallet_cond = dap_chain_wallet_open(c_wallet_name_cond, c_wallets_path);
    dap_enc_key_t *l_key_cond = dap_chain_wallet_get_key(l_wallet_cond, 0);
    // where to take coins for service
    const dap_chain_addr_t *addr_from = dap_chain_wallet_get_addr(l_wallet_from);
    // who will be use service, usually the same address (addr_from)
    const dap_chain_addr_t *addr_cond = dap_chain_wallet_get_addr(l_wallet_cond);

    dap_chain_net_srv_abstract_t l_cond;
    dap_chain_net_srv_abstract_set(&l_cond, SERV_CLASS_PERMANENT, SERV_ID_VPN, l_value, SERV_UNIT_MB,
            "test vpn service");
    int res = dap_chain_mempool_tx_create_cond(l_key, l_key_cond, addr_from,
            addr_cond,
            NULL, l_token_ticker, l_value, 0, (const void*) &l_cond, sizeof(dap_chain_net_srv_abstract_t));

    dap_chain_wallet_close(l_wallet_from);
    dap_chain_wallet_close(l_wallet_cond);
    dap_chain_node_cli_set_reply_text(str_reply, "cond create=%s\n",
            (res == 0) ? "Ok" : (res == -2) ? "False, not enough funds for service fee" : "False");
    return res;
}

/**
 * com_tx_create command
 *
 * Create transaction
 */
int com_tx_create(int argc, const char ** argv, char **str_reply)
{
    int arg_index = 1;
    int cmd_num = 1;
    const char *value_str = NULL;
    const char *addr_base58_to = NULL;
    const char *addr_base58_fee = NULL;
    const char *str_tmp = NULL;
    const char * l_from_wallet_name = NULL;
    const char * l_token_ticker = NULL;
    uint64_t value = 0;
    uint64_t value_fee = 0;
    dap_chain_node_cli_find_option_val(argv, arg_index, argc, "from_wallet_name", &l_from_wallet_name);
    dap_chain_node_cli_find_option_val(argv, arg_index, argc, "to_addr", &addr_base58_to);
    dap_chain_node_cli_find_option_val(argv, arg_index, argc, "token", &l_token_ticker);

    if(dap_chain_node_cli_find_option_val(argv, arg_index, argc, "fee", &addr_base58_fee)) {
        if(dap_chain_node_cli_find_option_val(argv, arg_index, argc, "value_fee", &str_tmp)) {
            value_fee = strtoull(str_tmp, NULL, 10);
        }
    }
    if(dap_chain_node_cli_find_option_val(argv, arg_index, argc, "value", &str_tmp)) {
        value = strtoull(str_tmp, NULL, 10);
    }
    if(!l_from_wallet_name) {
        dap_chain_node_cli_set_reply_text(str_reply, "tx_create requires parameter 'from_wallet_name'");
        return -1;
    }
    if(!addr_base58_to) {
        dap_chain_node_cli_set_reply_text(str_reply, "tx_create requires parameter 'to_addr'");
        return -1;
    }
    if(!value) {
        dap_chain_node_cli_set_reply_text(str_reply, "tx_create requires parameter 'value'");
        return -1;
    }
    if(addr_base58_fee && !value_fee) {
        dap_chain_node_cli_set_reply_text(str_reply, "tx_create requires parameter 'value_fee' if 'fee' is specified");
        return -1;
    }

    const char *c_wallets_path = dap_config_get_item_str(g_config, "general", "wallets_path");
    dap_chain_wallet_t * l_wallet = dap_chain_wallet_open(l_from_wallet_name, c_wallets_path);

    if(!l_wallet) {
        dap_chain_node_cli_set_reply_text(str_reply, "wallet %s does not exist", l_from_wallet_name);
        return -1;
    }
    const dap_chain_addr_t *addr_from = (const dap_chain_addr_t *) dap_chain_wallet_get_addr(l_wallet);
    dap_chain_addr_t *addr_to = dap_chain_str_to_addr(addr_base58_to);
    dap_chain_addr_t *addr_fee = dap_chain_str_to_addr(addr_base58_fee);

    if(!addr_from) {
        dap_chain_node_cli_set_reply_text(str_reply, "source address is invalid");
        return -1;
    }
    if(!addr_to) {
        dap_chain_node_cli_set_reply_text(str_reply, "destination address is invalid");
        return -1;
    }
    if(addr_base58_fee && !addr_fee) {
        dap_chain_node_cli_set_reply_text(str_reply, "fee address is invalid");
        return -1;
    }

    dap_string_t *string_ret = dap_string_new(NULL);
    //g_string_printf(string_ret, "from=%s\nto=%s\nval=%lld\nfee=%s\nval_fee=%lld\n\n",
    //        addr_base58_from, addr_base58_to, value, addr_base58_fee, value_fee);

    int res = dap_chain_mempool_tx_create(dap_chain_wallet_get_key(l_wallet, 0), addr_from, addr_to, addr_fee,
            l_token_ticker, value, value_fee);
    dap_string_append_printf(string_ret, "transfer=%s\n",
            (res == 0) ? "Ok" : (res == -2) ? "False, not enough funds for transfer" : "False");

    char *str_ret_tmp = dap_string_free(string_ret, false);
    char *str_ret = strdup(str_ret_tmp);
    dap_chain_node_cli_set_reply_text(str_reply, str_ret);

    DAP_DELETE(str_ret_tmp);
    DAP_DELETE(addr_to);
    DAP_DELETE(addr_fee);
    dap_chain_wallet_close(l_wallet);
    return res;
}

/**
 * tx_verify command
 *
 * Verifing transaction
 */
int com_tx_verify(int argc, const char ** argv, char **str_reply)
{
    if(argc > 1) {
        if(str_reply)
            dap_chain_node_cli_set_reply_text(str_reply, "command \"%s\" not recognized", argv[1]);
    }
    if(str_reply)
        dap_chain_node_cli_set_reply_text(str_reply, "command not defined, enter \"help <cmd name>\"");
    return -1;
}