Questions tagged [eosiocpp]
Questions about the deprecated (old) eosiocpp compiler tool. These are different from the new Version eosio-cpp.
-1
votes
0answers
5 views
What does pack, unpack, to_variant, from_variant functions do in EOS implementation code?
I have been trying to understand the EOS implementation code of the latest version therein https://github.com/EOSIO/eos/tree/v1.7.4/
I am always struck when I see functions like pack, unpack, ...
0
votes
1answer
46 views
Casting checksum256 type to uint64_t type
I have a checksum256 type, I want to reach its specific elements as an integer.
Ex
cheksum256 myvar = 3dd6a4a0c86763d2a6fc1d5544eb58f3953b7cd03882e700b420fa0a89129f66;
I want myvar[0] and myvar[2] ...
4
votes
2answers
186 views
How to get current time in different versions of EOSIO
Depending on which version of EOSIO you use, there are different options available for finding the current time. What are they?
0
votes
1answer
91 views
How can I create a table in an .hpp for a general contract? (Using the CDT)
THE STRUCTURE OF MY PROJECT
I am working in mycontract.cpp, which imports myheader.hpp
WHAT I WANT
I want to create a table in myheader.hpp, for a generic contract, "IN THEORY" as follows:
struct [...
1
vote
2answers
55 views
How to interface EOSIO smart contract with android dapp [duplicate]
I have been going through this To do Dapp tutorial how can I interface/build an android app for this?.
2
votes
2answers
253 views
How to solve fatal error: 'eosiolib/types.hpp' file not found #include <eosiolib/types.hpp>?
After installing eosio.cdt 1.4.1, I am receiving this error from the compilation of my code where is included the header file eosiolib/types.hpp:
fatal error: 'eosiolib/types.hpp' file not found
...
1
vote
1answer
90 views
EOSIO_ABI macro problem on MacOS, can't use for contract implementations
I have been fighting a bit with the EOSIO_ABI macro in C++. I am trying to implement a very simple Ping/Pong contract using the latest eosio.cdt tools installed on my machine.
When I try to compile ...
1
vote
0answers
44 views
Why can eosiocpp not do normal operations on std::vector<std::string>?
I have two types:
struct typeA {
std::vector<std::string> vec;
}
struct typeB {
std::vector<std::string> vec;
}
but I can't seem to get the 2 vecs to mix as eosiocpp seems to be ...
2
votes
2answers
479 views
Unable to compile eosio.token
I'm following the https://developers.eos.io/eosio-home/docs/token-contract
block one tutorial using the latest eosio/eos-dev docker image (v1.4.0).
I have some issues when I compile eosio.token.cpp ...
1
vote
1answer
39 views
How do I use C++11 on Mac?
I tried the hello world sample contract, and when it came time to compile, I got this error:
hello.cpp:10:10: error: expected ']'
[[eosio:action]]
^
...
3
votes
1answer
228 views
Error 3160009: No wast file found
The hello world contract is not getting compiled in the EOS v1.3 and eosio.cdt. The wasm and abi file is getting created but goes undetected. https://github.com/EOSIO/eos/issues/5349
1
vote
0answers
129 views
eosio-cpp Compile error: undefined symbol: apply [duplicate]
Compile error: undefined symbol: apply
I got the exact same problem as above but the alternative command doesn't work for me. I don't have eosiocpp instead of eosio-cpp. Can anybody please help me?
...
0
votes
1answer
118 views
Contract Table Query Exception
As i was following eosio developers documentation
#include <eosiolib/eosio.hpp>
#include <eosiolib/print.hpp>
using namespace eosio;
using namespace std;
class addressbook : public ...
2
votes
2answers
471 views
eosio-cpp: command not found
Is there an alias or PATH that we need to set for eosio-cpp to be accessible?
Here's what I'm seeing:
~/eos/contracts/youvote $ eosio-cpp --help
eosio-cpp: command not found
I can access it via:
~/...
2
votes
2answers
76 views
How to use std::tuple with eosiocpp?
I am trying to use typedef std::tuple<double, double> location_t; to create a simple tuple with latitude and longitude, but eosiocpp gives me
2018-09-02T12:54:47.310 thread-0 main.cpp:105 ...
3
votes
5answers
372 views
eosiocpp -g generates empty abi file
I have created smart contract inside the /build/contracts and running this comman generates empty abi file.
eosiocpp -g eosio.test.abi eosio.test.cpp
tried both hpp and cpp but same result.
