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Questions tagged [blockchains]

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0
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1answer
14 views

How is the the crash of a BP handled?

I am wondering if a BP crashes, how do the remaining 20 BPs know this? If they do not know, all block not irreversible so we can be hack? Please give me some details for this. Thanks!
1
vote
1answer
30 views

I read that you can use the cleos command without having nodeos synced. How does one do this?

I read somewhere you can use the command line cleos without having to sync or even turn on nodeos. Which means avoiding the need to download 60+gb of blockchain data. What are some of the ...
4
votes
1answer
58 views

Which BP's offer snapshots for v1.4? --mongodb-wipe?

Which BP's or websites offer snapshots for v1.4 ? Is --mongodb-wipe still required for replaying?
1
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1answer
24 views

Onboarding new eos users to a note taking dapp

I have a note taking dapp on the Ardor blockchain and say I wanted to migrate it to EOS. Currently these notes are just palin text messages stored in the blockchain directly (ardor data cloud). In ...
1
vote
1answer
15 views

What Data ownership really is in EOS?

All data of transactions can be view live as EOS is public , suppose i made a transaction on EOS block-chain this transaction belong to me but still people can see it. Here is my Question how this ...
1
vote
2answers
81 views

How big is the EOS blockchain? Does it grow much faster compared to others due to the short blocktimes?

How big is the EOS blockchain in disk size? Since its faster block times, doesn't the size of the blockchain grow much faster?
1
vote
1answer
68 views

Hello contract: How do i execute “hi” action when notified by eosio.token contract of an EOS transfer?

I want to extend the Hello contract (as an exercise) How do i execute "hi" action when notified by eosio.token contract of an EOS transfer ? I understood i have to extend EOSIO_ABI macro to handle ...
2
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1answer
45 views

I Need Help Setting Up a Back-End Infrastructure for my Future DApp

I'm going through the process of designing a desktop DApp. I'm going to use GraphQL API's to connect the EOS blockchain to a Node.js server that'll use MongoDB with Electron.js and React.js on the ...
4
votes
1answer
292 views

How cpu, ram works for eos and are transactions free?

I'm a little bit fuzzy about what's going on for eos. All say transactions are free, but what you do is you make a stake. My questions are: 1) What is a stake? 2) After making a stake, what cpu and ...
2
votes
1answer
242 views

How does the EOS account system work together with smart contracts?

It's my first step into eos and Trying to get some ideas. I really do hope you can help me. Question 1) As we all know, we can transfer some coins from one to another account by using account_names. ...
3
votes
2answers
360 views

EOS blockchain explorer

Where i can check if my EOS created account is successfully created or not? is there something similar website like etherscan.io for EOS? i spent few hours but could not find anything useful
1
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0answers
65 views

run a private EOS fork on Raspberry Pi

for development purposes, is it possible to run a private version of EOS on a Raspberry Pi? what are the required steps to fork, build, then run it on a Raspberry Pi?
0
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0answers
28 views

What's the main deciding factor of block time?

Speaking of block time(which EOS has shown us 0.5 sec), which is the more important time consumer, network communication or BP computing? Or to say, let's imagine we want to shorten EOS block time to ...
2
votes
1answer
323 views

use EOS as private blockchain for a loyalty system

We are working on a loyalty system powered by blockchain. Using blockchain enables us to have basic security at the beginning and scale easily. it makes total sense to us. the loyalty system will ...
2
votes
2answers
91 views

How to scrape all accounts/public_keys in EOS mainnet?

I am doing a research project at University. Since the accounts and public_keys for EOS change dynamically. Sites like this https://eostracker.io only display 20 accounts per page and it doesn't ...
1
vote
1answer
44 views

EOS: In order to save & show other clients a piece of information. Is transaction needed? To whom?

Suppose I want to save and send this information to all the world: "I'm Fu Song, I made Taylor Swift pregnant, and I'm going to marry her on Christmas, 2018, so that I will still be a responsible ...
1
vote
1answer
112 views

How To Reset After Unclean Shutdown? Addr in use; no instance of nodeos running

Here's how I'm running nodeos: nodeos -e -p eosio --plugin eosio::chain_api_plugin --plugin eosio::history_api_plugin I already tried deleting the "data" folder in .local/share/eosio/nodeos/ and ...
0
votes
1answer
70 views

EOS world state sharding

What is the current plan to shard EOS blockchain state? (Different from transaction parallel processing). As far as I understand currently all block producers need to store everything. When the state ...
2
votes
1answer
145 views

Can I stake back my bandwidth without cost?

Say I have staked enough eos for 10mb of bandwidth. When I run out of bandwidth, can I unstake and stake back as soon as possible to get 10mb more of bandwidth without any cost?
0
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1answer
94 views

How RAM is managed between PBs

In EOS smart contract developers are able to utilize the database functionalities. According to official document they are RAM. So I wonder if this is distributed database which included in Blockchain ...
1
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0answers
204 views

EOS Block Explorer

I have a local EOS testnet running and I am trying to run this block explorer against my EOS local testnet. I launch https://localhost:4200 in a browser and look at the nodeos output terminal. Here ...
3
votes
1answer
694 views

How can I sync my nodeos with a Mainnet or Testnet?

I can't find in the wiki how do you sync your nodeos with a testnet or mainnet. I need this for a project I'm developing.
6
votes
2answers
173 views

Block.One are not starting the EOSIO blockchain, so who will be?

In the latest community announcement, Block.one have sent a reminder that they will not be launching any of the initial EOSIO blockchains, and warning us not to share our private keys with untrusted ...