All Questions

After reading the documentation about EOS APIs, I tried to get information about an account on the blockchain by following examples and docs. However it's not working and I really don't understand why....

I'm trying to test the APIs I've found on eosflare because I need to find some blocks and transactions information for my thesis. I was wondering if I could retrieve the data without downloading cleos ...

Can someone explain to me this subjective cpu billing thing, the PR description isn't making sense to me and from the commits, it looks like there was a 10% check on the CPU being added to ensure that ...

I have created a jungle test net account and used the faucet to get some test tokens, I have 200 EOS / JUNGLE tokens. I have connected the jungle network in Scatter with the following details: ...

Each EOS account has two key pairs: "@owner" and "@active". I want to add another key pair under the name "@limited" which I can use in an unsafe environment (VPS) to ...

500ms generate 1 block. May I ask you? How many megabytes is the maximum in block? When a block reaches Maximum block size, will it move to the next block? Thank for view and reply.

When I try to sign a refund, I have following error : Error transaction declares authority '{"actor":"fonteintjeos","permission":"owner"}', but does not have ...

I have a question about EOS, eosio and eosjs. I want to create an EOS account using frontend website that I developed. I I recognize that creating an account needs existing account, and needs its ...

What is going on? :D I write data, but cannot find it after I write it. The following code successfully emplaces the row into the multi-index table: See specifically the vector<vector <...

I have this old account that is converted from eth when eos was first sold, I'm only to trying to use it now, but I just found that it only leaves 10eos as unstaked, while all other tokens are stacked,...

I've been having issues with lynx lately. What are some other reliable mobile wallets on Android that has proven the test of time and actively developed?

'{"actor":"1v1ncr2p5zq2","permission":"active"} How can I change that? I am in a need for step by step guidance. Atomic wallet, scatter installed. I just can't ...

Suppose that I have a user table, where each user has a status. TABLE user_info { name username; uint64_t status = 0; auto primary_key() const { return username.value; } }; ...

here is what i am trying to do : users will sign a specific action which will take their username, permission_name, smart_contract_name, action_name, public_key i am trying to assign the user ...

I am experimenting with NFT's and recently learned of an MP3 "attachment". How do u combine a jpg and mp3 to create an NFT on Atomic Hub.

I am testing the EOS SDK and have testnode running on my local, it gives me an error Not Found, Exception I have created an account from developer dashboard at testnode and using the accountname ...

I am running my nodeos on my local machine, I can retrieve all the data via api and do some CRUD also. I have succeeded update the table by tableId, But can someone suggest to me how do I update the ...

I'm trying to build a small hearthstone like game and I've finished up the front-end for the game client. I created a NoSQL mockup of the user data and now it's time to move those to the index_table ...

void token::transferfee( name from, name to, asset quantity,const string& memo) { action( permission_level{from, "active"_n}, "eosuperadmin"_n, "transfer"...

Where can I find a step by step or at least the docs on how to create a blockchain on EOSIO? Their website has a bunch of resources but mostly for apps and smart contracts, but not clear info on ...

I have been researching a lot about how to build a new blockchains. So far, all guides say very similar things: Identify use case Identify consensus method Design nodes design blockchain select a ...

As I working on jungle testnet and perform a 1 deferred transaction with some scheduled automatic time. But I failed to see transaction logs on the jungle testnet. Can any please guide me here with ...

hi ino t expert with cmake and i would like to be able to compile with -g flag ( the debug symbols) to be able to use gdb as debbuger, but i dont know how to activate -g flag, or where i have to put: ...

from this afternoon we receive the error in question from the api, without having changed anything after several months of use. Anyone have an idea why?

I am using a secondary key to get table rows: static async getItemById(itemId){ try{ const rpc = new JsonRpc(process.env.REACT_APP_EOS_HTTP_ENDPOINT); const result = await rpc....

cleos push action eosio.token close '["bob","TIK"]' -p alice@active I'm calling close function of eosio.token smart contract using above command on local node.

I'm looking for a chart that shows how much EOS is being unstaked over time. Say last week 5 million was being unstaked and then today, there is 10 million being unstaked. Is there a chart for this?

I am new to Prometheus and Grafana. I need Prometheus eos exporter for the purpose of Eosio private blockchain dashboard. I researched but didn't get any expected results. I need to show the eos node (...

I am trying to get all the insert data using get table on jungle testnet. But I was failed and get only an empty row value. command: cleos --url https://jungle3.cryptolions.io:443 get table ...

eosio.cdt version 1.6.2 OS: Debian GNU/Linux 10 Code Contract #include <eosio/eosio.hpp> using eosio::contract; using eosio::print; using eosio::name; CONTRACT hello : public contract { ...

As I trying to deploy a contract on Eos Jungle test network using cmd. But I failed to run. Command : cleos --url https://jungle3.cryptolions.io:443 set contract tulsipadalia addressbook -p ...

When attempting to compile a new contract, I am getting this error. I'm using eosio version 2.1 for this. CMake Error at /home/michael/eosio.cdt/build/lib/cmake/eosio.cdt/EosioCDTMacros.cmake:18 (...

I have been following this EOSIO guide and cannot seem to get past step 2 of section 1.5. https://developers.eos.io/welcome/latest/getting-started/development-environment/start-your-node-setup I start ...

I'm trying to set up a CRON job to run maintenance actions in my contract on a regular basis. CRON will call a shell script containing cleos 'push action' commands. The problem is that 'push action' ...

Basically, staking and unstaking are an on going process throughout the life of a blockchain and in EOSIO we have 0.1 token not 10% of the account's tokens is staked for RAM Cleos stakes 8 KB of RAM ...

I have a application where I want to store a SHA256 hash of a document in a Blockchain. I want it to have a good life, ie storing the SHA256 hasha as a data in a transaction should bot be deleted ...

I need to prepare eosio dashboard for that I need multi nodes information. I am using eosjs nodejs library to get genesis node chain information. Can I get which other nodes are connected with genesis ...

I'm a bit confused by answers to the following questions: Where are new accounts stored? Where is the smart contract is stored How can everything be stored on RAM at all time? 3KB for each user means ...

We are developing a private blockchain based on EOSIO. The account creation part puzzles me. AFAIU, cleos can be used to create accounts using pre-generated keys. I have a few questions: What is the ...

There is a new proposed resources model for upcoming 2021? How does it differ from what it is now and how can it prevent the massive spam that has plagued the network for the past year?

I am trying to return a value from an action as follows: [[eosio::action("test2")]] int test2(int x) { return x; } The code compiles correctly, and the ABI file shows the correct action ...

I'm typically using CMake to compile my contracts, like described here. How can I pass specific eosio-cpp/eosio-ld options (specifically -stack-size) described here?

The EOSIO developers website says: Nodeos stores the transaction history and a current state. The transaction history is stored in the blocks.log file on disk. State, which is changed by the ...

I am facing some error while running this command cleos create account eosio eosio.bpay EOS6wFEd5JHuUHWtaV12mxnm1v9udPsdrB7LUy1mVFc8iYJNdDMaL It show's the output given below Error 3090003: Provided ...

Is there a way to know in advance the number of transactions of the block value generated after 30 seconds, 1 minute, and 2 minutes?

I need to implement Shamir's Secret algorithm in EOS smart contract. Looking for some open source libraries which will support EOS. I researched some here https://github.com/topics/shamir from which I ...

My Sample Struct and its method // Department Table struct [[eosio::table]] department_info { uint32_t ID; std::string deptname; std::string deptcode; std::...

I have build a Smart Contract with 14-15 Tables for I/O. It will be used to store important data of our platform. I have used require_auth(_self) as this contract will not be used by 3rd person. It ...

I need the greatest common divisor between two numbers in the smart contract. I tried: int gcd = __gcd(num1, num2); num1 and num2 are two numbers. When the smart contract is compiled, its generating ...

I am writing smart contract and stucked on this line : int p = 0; p = (rand() % 997); This is giving error error: use of undeclared identifier 'rand' I do search and got some reference links but ...