All Questions

so I would like to deploy an EOS contract using eosjs. I encountered several problems (especially with converting the .abi and .wasm files). All the examples either use node (so fs is available) or an ...

I'm trying to learn about deferred transactions. I'm creating a bogus deferred transaction that invokes a non-existent action "fakeaction": transaction out{}; out.actions.emplace_back(...

I am developing a wallet service for eosio, and i want to transfer tokens, how can i do this. I have used cleos for account creation cleos create account eosio mynewacct1 EOSxxxxxxxxxxxxxx ...

I have read that it is possible to set up a private blockchain using EOS. Can anyone help me to understand how to set up a private chain using EOS. Thanks in advance

I was doing this tutorial. Locally it works fine, but I need to remotely access the endpoint via curl http://my.ip.adreess:8888/v1/chain/get_info But it doesn't work and I am sure it isn't my ubuntu ...

Is the creation date of accounts part of consensus? Can I query it within contracts? If so, how to do it?

I want to build a scenario where I can exchange EOS private net tokens with EOS main net tokens. Is there a way to directly link a private network with the main net, or do we have to involve some ...

Sometimes we have to stop our service for system upgrades, repairs... So is there any way to stop receiving token from another account?

I noticed my server throws this ChainID: chain_id":"cf057bbfb72640471fd910bcb67639c22df9f92470936cddc1ade0e2f2e7dc4f" When I run curl http://127.0.0.1:8888/v1/chain/get_info Now in another working ...

Here is my node.js code as described here var request = require("request"); var options = { method: 'POST', url: 'http://127.0.0.1:8888/v1/wallet/create', headers: { 'content-type': 'application/...

I accidentally changed active key for my EOS account but I have my owner key. How to reset my active key. Any help is much appreciated.

I heard that it is possible to make independent side chains in EOS. How can I create a side chain? Is there any documentation for that?

Is there a nodeos command-line switch to just destroy the entire blockchain state and start over from the first block? Or can I achieve this by deleting one or more specific directories that are ...

The EOS account name system is great for newcomers to crypto. But the fact that you have to "pay" to create an account kind of kills the onboarding of new users to the EOS ecosystem. Are there any ...

Let's say I have deployed the standard eosio.token contract to an account called "myeosiotoken," and I have used it to create an "ABC" token. Then, I issue 1,000 ABC to "someaccount1" and 2,000 ABC to ...

Are there any public api nodes for EOS? I.e. API key rate limited, etc I'd also appreciate a post on using the EOS testnet the first time. I can't find anything in Google search results about EOS, ...

I want to create an EOSIO token with additional functionality. For example, I want users to be able to claim() an additional token per day (since e.g. account creation date). Should I create a new ...

If yes, then how do I make sure that anyone or any specified address can call a method? If not then what is the usage of permission_level (_self ...)? action{ permission_level{_self, "active"_n}...

I am curious about how exactly abi is encoded to bytes. As I understand, at first abi_def is converted to fc::variant and then to bytes. But I didn't managed to find out how conversion goes.

Kylin test account: thomsonimjd15 has got few tokens like RTT, PPT, LVE Please see the above image from explorere for transaction on the tokens I have connected to the wallet using scatter, I am not ...

I'd like to change the length of time a wallet stays unlocked. I tried two things: 1) I directly modified the config.ini file so that unlock-timeout = 40000. 2) I tried keosd --unlock-timeout == ...

{ "code":500,"message":"Internal Service Error", "error":{"code":3090004,"name":"missing_auth_exception", "what":"Missing required authority", "details":[{"message":"missing authority of thomsoimj21","...

Seq: --- Undelegate xxxxyyyygggg undelegated from the account ---- 2.0000 EOS for NET, and 1498.0000 EOS for CPU Seq: --- bankofstaked - expireorder { "id": --- } What is the meaning of this ...

I have written a helloworld contract and got compiled that successfully thomsonim123 is my kylin testnet account with some EOS when I want to deploy the contracct to the testnet I get few errors. ...

I had a method: -- t.hpp -- [[eosio::action]] void exchange(); -- t.cpp -- void token::exchange() { ... } EOSIO_DISPATCH(eosio::token, (exchange)) and then decided that if a parameter were ...

Using this api http://faucet.cryptokylin.io/create_account?testingaccoun2 it's possibile to generate new wallet whicch can be used on the testnet of crypto kylin. I need same thing for the mainnet, ...

I have followed the blow quick start to run EOS node on my mac enter link description here And I have created a wallet using wallet api http://127.0.0.1:8888/v1/wallet/create by account name ...

In new version of eosio we declare the constructor as : addressbook(name receiver, name code, datastream<const char *> ds) : contract(receiver, code, ds){} My question is how ds work here and ...

How can I run EOS node in testnet mode to test my transaction for wallet and mange my contracts like Koven testnet in Ethereum?

What algorithm is used for checking that signature is canonical?

I have eos rpc endpoint when it's accessed through cleos, the endpoint works perfectly but when it's accessed through http client link by browser or Postman, below error thrown as a result. { ...

I have a contract action that does some cleanup: void token::cleanup() { ... } that I want to run asynchronously from another action like this: schedule("cleanup", 10). my scheduling method looks ...

What is the projected earning potential when the REX (resource exchange) comes out? Say if I had 1000, 10000, or 100000 staked EOS. What is my rental profit at the end of the day / week / month? ...

I have a table with some secondary indices. I want to iterate through the rows whose values are act >= 1 and discard the rest. So: table holders(_self, _self.value); auto index_by_act = holders....

I'm getting this error and have read all there is to read on the net (which isn't much) about it. mostly I see others complaining about this error when they run an action for the first time in my ...

if I want to erase a table: orderbook b(_self, _self.value); auto m = b.get_index<name("idxprod")>(); for (auto &i : m) { m.erase(i); } I get the error: Error 3160005: The table ...

I'm following this explanation https://developers.eos.io/eosio-cpp/v1.1.0/docs/multi-index-table-tutorial using v1.5.0 of the CDT. Here's what I've got: struct [[eosio::table]] order_struct { ...

an action in my contract accepts an asset: void token::burn(asset a) which I want to print out: printf("Asset [%s] burnt\n", a.symbol.to_string()); except the symbol class does not offer ...

I have a contract account which has some tables. I want to watch for onchain table changes and sync them to an offline database as soon as possible. What is the most reliable way to do this? I have ...

Is there a way to check the history after deleting the information in the table? For example, check yesterday's table information.

I have seen that some contract need eosio.code permission to deploy contract. So, i have few questions regarding eosio.code that are as below What is eosio.code permission? Do we need to add ...

I am looking for an example of checking transactions that occur on my account. I read that there is a demuxjs library that supports this, but it is difficult to approach. Clarification: I am ...

I want to create my own private Eos chain for my own specific use case which is very RAM hungry. Imagine that I have a network of nodes having, for example, 32GB of ram. But I have two contracts with ...

What I know is, history_plugin : plugins that enable store sort of historical data like action traces, transaction traces. history_api_plugin : plugins that enable to use /history/* APIs. So, ...

if I declare an asset: asset a(10, symbol("TST", 0); and I print it: a.print(); I get pretty much what I'd expect: TST the format's not quite right (10 TST would have been better), but ...

given the lack of debugging facilities in EOS contract development I add print() statements to my code, but I'm finding that only the first one gets printed, so: print("HERE\n"); print("HERE\n"); ...

I'm running a forked EOS blockchain. During my eosio_install.sh I create the default wallet and store it into a temp .ini file: cleos wallet create --file walletkey.ini -n default During a launcher ...

If my EOS account run out of CPU, would it help if I run my custom node to process my own transactions? If I'm required to become a block producer for this, what are the benefits of running hungry ...

I've received this error : billed CPU time (1277 us) is greater than the maximum billable CPU time for the transaction (0 us). I guess I need to stake EOS for CPU. If I stake for example, 3.0 EOS for ...

I have implemented the nft statndard in EOS but I am having issue that I can't send more than 60 tokens at a single time. In NFT standard each token has unique id so they need to be send one at a time....