All Questions

We can create accounts from contract code: https://github.com/angelol/smart_account_creator and we can query things about accounts: https://github.com/nsjames/Account-Has-Code is there a way to ...

after successfully signed the transaction, when i try to push it using the pyton api from the eos developers portal, i got the following error {'code': 500, 'message': 'Internal Service Error', '...

I forgot the owner key, can I change the owner key with the active key?

I'm running 3 cores confirmed on virtual machine (per solve for similar problem), and I'm still getting this error: ~/eos$ eosio-cpp -abigen -o hello.wasm hello.cpp error: error reading '/home/corey/...

Ethereum has a opportunity to create new contract from another. Does eosio has the same? I found a code with new account creation, but I didn't find nothing about setting code and abi from contract.

The purpose of this installation is for me to be able to make /v1/chain/ mainnet API requests on a remote server that I have access to that won't disrupt mainnet itself. I tried using EOSNation/...

I access a trivial eos contract via eosjs, which works fine on a local net, and worked(!) fine on jungle testnet, too. Retesting stuff after a weeks break, I get this error (browser console): ...

There's a contract A with action void a(string memo), it calls an inline action for contract B with action void b(), can I get the "memo" parameter in the function void b()? Note that I can't modify ...

I am building an eosdapp using nodejs code.I got the wallet api from the developers portal,but when i run the code i get the following error. {"code":500,"message":"Internal Service Error","error":{"...

How does a node that joins the network for the first time connect to peers? Are there some hardcoded peers and does it use DNS (as other cryptocurrencies)? And then, how does a node learns about new ...

Please help! I'm currently encountering the ff. error Uncaught Error: Non-base58 character at Object.decode (eosjs-jssig.js:26) at Object.checkDecode (eosjs-jssig.js:15) at y (...

eosjs 20.0.0 cannot create new account using the eosjs rpc call see following code snippet below. const addPrivateKey = "EOS8i1CXTY4Sz39XaQWX2RpccsCZ1nWM3w9zRhjCFChdci2Y65ck4"; const rpc = new ...

The code given below is my nodejs code forunlocking my wallet name "seek".I got this API from eos developers portal,but don't know how to pass input data(wallet name and password) into it.Please help ...

Is it possible to setup a lock (multisig) for the command cleos set contract ? in order to request one or more signatures to deploy a contract ? cleos set action permission eosio eosio set ...

EOSIO account can create additional keys beyond just active and owner. By default, these new keys will have no permission to execute any transaction whatsoever. To give the key permission you call the ...

I'm trying to figure out how to optimize one of my smart contracts for less billed CPU-usage. There are typically different methods to optimize performance of algorithms but I'm not clear about if a ...

Scenario: Two tables, each using uint64_t as a primary key Table A rows need to reference rows in Table B Why? Relational database data duplication reasoning etc etc Both table's primary keys are ...

Is it possible to have multiple active keys in an account? Say I wanted to have one at home and another where I want to share with a person I trust.

There have been a few tutorials on how to link scatter to a dapp which is just html/js, but those could be outdated due to the speed that eos has developed. What is the latest tutorial on how to link ...

I can't understand why actions can't return values. A simple use case is for adding records in multi_index. I need to return the primary key to link that to my off-chain data.

I compile with old version to no error, but I compile smart contract with eosio.cdt v1.6.1 to error message. I use Ubuntu 18 ~/xxx/v.0.02$ eosio-cpp -o jdex.wasm jdex.cpp --abigen Warning, ...

I used scatter to create my account, saved all the private info, sent EOS tokens to a contract. Here's txid Scatter shows that my account is active on mainnet, but I cant see this through any network ...

I'm using the following contract on both my local and jungle testnets, the on_notify methods are not being fired. Everything appears to be in order, I'm hoping I've missed something obvious. I ...

I'm looking to use a hpp file as an interface for multiple contracts. I've created a test contract and receiving a WASM compilation error. I based the test contract on the format used by eosio.token....

I always have this doubt whenever i push a transcation. Is there any way to cancel a committed transaction before it's verifed by the block producers?

I followed steps from official guide here: https://developers.eos.io/eosio-nodeos/docs/docker-quickstart All seems to works as expected and I can navigate my browser to http://localhost:8888/v1/...

Hello everyone is there a place where the community discusses relevant research for the advancement of EOS? Is there any community driven research like in Ethereum? Thanks and greetings :)

The State History Plugin (SHiP) exposes the actions and deltas from the chain though Websocket. @tbfleming, the creator of SHiP, have an example application that connects to the node and gets the ...

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] ...

Recentlty, i tried a eosio IDE named eosstudio,which is pretty impresive.The problem i face while compiling my code is given in the picture.then I got an advice from a telegram channel that,chenge the ...

Using cleos -f adds a context_fee_action to the TX like so: "context_free_actions": [{ "account": "eosio.null", "name": "nonce", "authorization": [], "data": "...

I try to develop a Token contract. I can do any modifications to this contract. Is there any possibility to uniquely identify every token created by my contract? or Is there any possibility to ...

I have been build nodeos v1.7.0 on docker. but failed. build logs: [447/596] Building CXX object libraries/chain/CMakeFiles/eosio_chain.dir/controller.cpp.o FAILED: libraries/chain/CMakeFiles/...

Is there any IDE for compiling eos smart contract? for example ethereum have remix to compile and run solidity based smart contract.

// @abi action [[eosio::action]] void create(name user,string doctor_name,string doctor_contact,string doctor_address,string patient_problem,string patient_description,string patient_solution){...

Is there any python api for getting account name by inputting public key? I have got this code from developers portal, but I don't know how to use it. import requests url = "http://host/:port/v1/...

I ran through the hello world tutorial. First time I ran through using v1.6 of nodeos and it worked as advertised. Upgraded to v1.7 of nodeos and the require_auth(user) did not restrict user from ...

I want to perform some encryption on a given message, so I am wondering if there is a library that I can use in EOS? And I have checked the post Cryptographic Operations in Smart Contracts?, but the ...

I would like to have a copy of the eosjs browser files as the generation of theses files (dist files) doesn't work under windows (wsl : unbuntu) where can I get these files? (I've tried to use ...

I am currently writing a blog PoC on EOS. I would like the ability to delete a post. Now deleting by the ID alone is simple, I have it implemented as follows: whisper::post_index posts(_code, _code....

example code below: client = new EoswsClient(createEoswsSocket(() => new ws(`wss://${config.dfuse.endpoint}/v1/stream?token=${config.dfuse.token}`, { origin: config.dfuse.origin }))); await ...

I have built an dapp EOS blockchain. It's almost like twitter where the user can tweet and also use as a microblogging site in EOS blockchain.I have used scatter as transaction signer for using my ...

Is is possible to use regex validation in a smart contract?

my node has not been able to synchronize with the mainnet for a couple of months. A few weeks ago, synchronization was on ~95% but dropped to 93% in 2 weeks. Receiving new blocks in the mainnet faster ...

This one uses the sender's private key and recipient public key: https://github.com/EOS-Nation/eos-encrypt/blob/master/examples/encrypt-multiple-keys.ts Is it even possible to do the same but with ...

I'm looking for a way to do this https://github.com/EOS-Nation/eos-encrypt/blob/master/examples/encrypt-multiple-keys.ts it Java and Swift. Did anyone try to port it?

Is there any documentation on staking or unstaking EOS using smart contracts? I basically want to provide an escrow service where the seller needs to stake the value of the item and the buyer stakes ...

Actually I am building an application and I would like to add the ram calculation for eos there. if anyone wants to calculate the ram for the accounts creation, he can use our website.thanks.

I am trying to extract the data out of a packed transaction. Specifically, I am reading a proposal from the eosio.msig table and trying to get the data from the proposed multisig transaction to ...

I am trying to write a smart contract but for some reason my tables aren't being added to the abi file and therefore aren't being added to the blockchain. My code is as follows. Am I possibly ...