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Anything related to decentralized application (dApp) development, concepts, and possibilities with smart contracts, or technical questions for the development of smart contracts.

1
vote
Maybe this code can be useful: account_name eosio_name = eosio::string_to_name(user); // convert to EOSIO name from variable Where user is: std::string user. This is basically a method to convert …
answered Oct 2 '18 by Riccardo Persiani
1
vote
It took me a while, but I finally solved the issue. Searching on Google for this kind of error, the most interesting source I was able to find was the following: https://github.com/EOSIO/eos/issues/ …
answered Oct 3 '18 by Riccardo Persiani
1
vote
1answer
Specs I am using the function recover_key from the library crypto.h at the following link: https://github.com/EOSIO/eos/blob/master/contracts/eosiolib/crypto.h Code int compressed_size = recover_ke …
asked Sep 27 '18 by Riccardo Persiani
2
votes
Concerning the count of how many times your action has been called, you can both in mainnet and testnet see the account history of any account. There are listed all the actions called. Like here for t …
answered Sep 27 '18 by Riccardo Persiani
0
votes
Only uint64_t can be used as a primary key. However, you can try to do what you want in a slightly different way: using uint128_t it as a secondary index. struct [[eosio::table]] youtable { nam …
answered Nov 15 '18 by Riccardo Persiani
1
vote
1answer
Before the update Before the update of the code of my c++ smart contract, this uses to work absolutely fine. Data storing on the table and actions execution were done successfully. After the update …
asked Oct 2 '18 by Riccardo Persiani
6
votes
3answers
WHAT I WANT Call an action and see it succeed at the first execution. WHAT IS NOT WORKING The function, which I am executing, the first time fails with error: Error 3080006: Transaction took to …
asked Oct 16 '18 by Riccardo Persiani
1
vote
The issue was inside an emplace(). Basically, I was not setting the payer. After, hard coding the payer as N(mycontract), I don't get the error anymore and the functions work correctly.
answered Oct 16 '18 by Riccardo Persiani
3
votes
1answer
WHAT I WANT From the contract mycontract I want to call a function function1. The function function1 calls another function of mycontract called function2. The function function2 calls an action of …
asked Oct 16 '18 by Riccardo Persiani
1
vote
0answers
I am following this doc: https://developers.eos.io/eosio-home/docs/your-first-contract. This is the hello.cpp contract code which is successfully deployed: #include <eosiolib/eosio.hpp> #include <e …
asked Nov 14 '18 by Riccardo Persiani
1
vote
1answer
I am following this doc: https://developers.eos.io/eosio-home/docs/your-first-contract. This is the hello.cpp contract code which is successfully deployed: #include <eosiolib/eosio.hpp> #include <e …
asked Nov 14 '18 by Riccardo Persiani
0
votes
Apparently, as shown in this issue https://github.com/EOSIO/eosio.cdt/issues/214, the generation of the abi is not correct, and sometimes - always in my case - the .abi file is empty. The solution t …
answered Nov 15 '18 by Riccardo Persiani