Questions tagged [block-producer]
Questions about the block producing (BP) nodes who validate and commit transactions to the blockchain by building new blocks. Questions may relate to block-producing plugins, block producing algorithm, BP performance, setting up BP nodes, hardware specs, BP voting protocol, BP registering, and others.
109
questions
0
votes
1
answer
30
views
How are block hashes generated
I was wondering how the future block hashes are generated. Is this fully random or could this be influenced by someone?
- 101
0
votes
1
answer
44
views
How does --contract-whitelist and --actor-whitelist work for nodeos?
Does the --actor-whitelist and --contract-whitelist work in the sense that if the list is set for that block producer that only those actors can perform transaction and only those contracts may be ...
- 3,425
0
votes
1
answer
21
views
How do you run nodeos as a non-root user?
I'm working on one node which is running on a testnet, and since I'm kinda new to this environment I'm wondering how can I drop privilege level to a non-root user for running a node on a server?
Can I ...
- 51
0
votes
2
answers
187
views
Connection refused from p2p-peer address for NODES-Producing Block
I am trying to setup EOSIO production node on Ubuntu. My specs are following:
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
with 62GB RAM and 500GB storage.
I have installed ...
0
votes
1
answer
42
views
What are recommended best practices for block producer key management?
I am not aware of BP key management best practices if there are any would be helpful.
I see these 2 questions:
Is It safe to Store User keys on local db server?
Best practice for storing private key ...
- 3,425
0
votes
1
answer
41
views
How to convert block producers long string vote information into Scaled votes?
In my blockchain, there are 4 accounts registered as block producers. accountnum1 vote for each of them. cleos system listproducers returns
Producer Producer key Url ...
- 307
0
votes
1
answer
112
views
Is the genesis.json initial_key is used to sign transactions in multi-node blockchain?
In my private multi-node blockchain. There are 4 nodes. One genesis (only receives blocks) and Others (Produce and receive blocks). All nodes share the same genesis.json file. Inside genesis.json I ...
- 307
1
vote
1
answer
19
views
What factors are also important for block producer to be elected despite votes?
I'm seeing block producers that are trying to obtain votes as much as they can.
I see China in the list more as block producer which made me ask maybe there are other factors helping for election, ...
- 113
2
votes
1
answer
25
views
When will "pending schedule" become the "active schedule" for producers?
Once the block that contains the proposal becomes irreversible, the schedule is promoted to "pending" automatically. Once the block that promotes the schedule is irreversible, the schedule ...
- 4,744
0
votes
1
answer
56
views
How to reduce block production speed in private Network Setup
I setup an eos private network which is creating block at speed of 500ms per block is it possible to reduce it to 2sec per block or more
The problem is most of the blocks gets produced with 0 txs in ...
- 139
1
vote
2
answers
39
views
It's possible to make a "Selfish Mining Atack" on EOS Blockchain?
" Selfish mining attacks occur when an individual in a mining pool attempts to withhold a successfully validated block from being broadcast to the rest of the mining pool network. After the selfish ...
- 13
1
vote
0
answers
53
views
What is the optimal hardware setup for a server designed to produce blocks with EOSIO?
When setting up a block producer server, what is the optimal hardware in order to produce blocks, where the criteria is:
CPU speed must be as fast as possible at producing blocks
Number of cores is ...
- 4,744
0
votes
1
answer
343
views
How to sign this EOS transaction provided with below code and response?
This below code is working fine in testnet. I want to do transaction, signing and broadcasting individually. I generated the raw transaction, but I don't understand how to sign it.
I have provided the ...
0
votes
1
answer
27
views
How min_activated_stake and total_activated_stake is calculated?
I have a query, in the producer_pay contract, i don't understand how min_activated_stake is calculated here.
Also how total_activated_stake is calculated,
I've seen that default it's value is defined ...
- 3
0
votes
1
answer
97
views
Not able to claim rewards
I am running my private chain with 3 BPs,
I have created 1000000.0000 tokens,
I have issued 100000.0000 tokens,
and run the further steps for setting up the chain,
I voted all the BPs with 10-15 ...
0
votes
0
answers
59
views
Unvote a producer
I am working on eosio.system contract, I run my own local chain, in which I elect 5 block-producers and they start to produce block. Now let suppose I want to kick-out any block-producer from my ...
- 128
0
votes
1
answer
67
views
Where in the code are eosio.prods permission set
where can I find the code in which eosio.prods permission are set?
I couldn't find it in system_contract or producer_plugin.
thx for any help!!
- 99
3
votes
1
answer
635
views
How does a typical ECDSA signature verify work in EOS and ETH/BTC
I have been studing ECDSA signature/verify for a while.
By my understanding: the standard ECDSA signature/verify process are like something as below:
A sender combines message and its ECC public key ...
- 35
0
votes
1
answer
31
views
How could I can select a good block producer
Currently, when I develop my dApp, I select a BP to push my transaction to blockchain. But I am wondering, what's happen when thats BP to become a standby BP?
- 15
1
vote
1
answer
59
views
What are the permissions on the eosio.prods accounts used for
eosio.prods has the following permissions (see https://eosauthority.com/account/eosio.prods#keys):
15/21 active (controls the eosio account)
11/21 prod.major
8/21 prod.minor
these are updated at ...
1
vote
2
answers
92
views
Is it possible to access the blacklist for a block producer?
The blacklist allows a block producer to ignore transactions coming from specific accounts. Is it possible to see which BPs blacklist which accounts?
- 4,744
1
vote
0
answers
60
views
What is the inflation schedule for EOS private blockchain?
I have followed the bios boot sequence https://developers.eos.io/eosio-nodeos/docs/bios-boot-sequence to create private EOS blockchain. Now everything has been done but there are some point I want to ...
0
votes
1
answer
37
views
Are the block producers shuffled between rounds in new hybrid DPoS + BFT
Are the block producers shuffled between rounds in the new hybrid DPoS + BFT?
Say there are 4 block producers.
Assume blocks are produced in the following order:
t = 1: A
t = 2: B
t = 3: C
t = 4:...
- 103
2
votes
1
answer
118
views
How two EOS nodes on two diffrent instances of aws can communicate with each other through an EOS private chain?
I have setup node on each of two aws instance i.e two nodes on diffrent aws instance , thus created a private blockchain on both of the instances . Now how can i make them communicate with each other ...
- 53
1
vote
0
answers
42
views
How many requirement to make EOS testnet
I have made my local EOS testnet. Almost I followed the Bios Boot Sequence Pages. So I made a "eosio" account and created two block producers that were registered in chain. So three were created.
But ...
- 88
0
votes
1
answer
135
views
producer change error
I've constructed a 4 nodeos testnet.
Initially, the first nodeos is the producer.
Then, I created setbp.json like the following.
{
"schedule":
[
{"producer_name":"eosio","block_signing_key":"...
- 135
1
vote
0
answers
107
views
Do block producers know each others IP addresses?
1) If everyone knew the IP addresses of BPs, then clearly this would put them at risk of attack. But do BPs themselves know each others IP addresses? In order to speed up relay of blocks to each other ...
- 11
2
votes
0
answers
170
views
EOS mainnet replay speed too slow after about 20M blocks
while replay the node sync speed was fast in start but after about syncing 20M blocks the speed is very very slow.
mongoDb and history plugins are enabled.
nodeos is not utilizing above 1500 iops ...
- 21
2
votes
1
answer
669
views
What does it mean that block is irreversible
I mean there are block producers and there are currently just 21 TRUSTED ones.
Why do we need to wait for 15/21 to fully "confirm" transaction?
Because that means sometimes almost 3-4 minutes. ...
- 141
2
votes
1
answer
67
views
Penalty for not producing block for more than 24 hours
I'm new to EOS, and was reading the whitepaper How can developers prevent abusive or spammy transactions on dApps if it's free for users to use?
And I found that if a block producer does not ...
- 23
1
vote
1
answer
145
views
How to create a side chain in EOS
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?
- 510
1
vote
1
answer
97
views
validate the identity of the chain
as a non-block producer, how do I know I'm uploading a transaction to the true eos blockchain and not an impersonator? What methods exist to verify that? Example: websites use certificates.
- 21
2
votes
2
answers
337
views
Setting a key to NULL
Is it possible to change they key for a permission to an EOS public key equivalent of NULL? Such that you could in essence stop that permission from being used in the future?
If so, what would be the ...
- 4,744
3
votes
1
answer
128
views
Order transactions get mined in
In Ethereum, for each account, transactions are mined in FIFO order. Each transaction has a transaction ID associated with it called a nonce and miners can only mine transactions with lower nonces ...
- 63
2
votes
1
answer
137
views
How I can understand round-robin in DPOS?
DPoS is a system in which a fixed number of elected entities (called block producers or witnesses) are selected to create blocks in a round-robin order.
If we have a BP 18th suddenly down, which ...
user2644
0
votes
1
answer
55
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!
user2644
0
votes
1
answer
59
views
Back up EOS ecosystem
I read some comment on reddit and this page, some people talked, EOS uses 21 BPs as active, and all of rest are standby. So I think EOS will use a server as a gateway to handle this like HAProxy, ...
user2644
2
votes
1
answer
453
views
how to solve Error Details: Cannot charge RAM to other accounts during notify on testnet
I need help for an issue developing an EOS dapp.
I want to call a contract function when someone transfer EOS to my contract. For this i used the apply method to call the function upon any transfer ...
- 31
1
vote
0
answers
43
views
Multiple action_traces, which one is the "good" one?
Sorry if I'm asking a lot of questions but you're really helpful and I'm getting a better understanding of the platform every day thanks to you ;)
I'm having a hard time figuring out why some ...
- 185
1
vote
1
answer
48
views
What stops someone from DDOSing the 21 block producers?
From my understanding the top 21 block producers have very beefy systems and it would be very hard to ddos them. Is this true? What protections do they have from a ddos happening?
- 2,257
1
vote
2
answers
44
views
How does EOS and dPOS stop a rogue node corrupting data?
If a block producer is working due to getting a voting status, what happens if they betray the others and add fraudulent data. How is that stopped under dPOS and also what happens if I have a private ...
1
vote
2
answers
60
views
How much does the top 21 producers make per a day?
Does the top 21 EOS producers make a different amount per day or a set amount?
- 2,257
1
vote
0
answers
14
views
How much EOS worth of votes does one need to be a block producer stand by?
To be a stand by block producer, you need votes. How many votes does one need as of today and out of those votes how much EOS is required?
- 2,257
4
votes
1
answer
94
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?
- 383
3
votes
1
answer
740
views
How are EOS block producers rewarded?
Coming from bitcoin and ethereum. Miners have a chance of winning the block reward at the end of the block time. But since EOS is .5 seconds, what is the block reward per second?
And since there are ...
- 2,257
0
votes
1
answer
78
views
Who is the NYC block producer? How much eos do they control? [closed]
Who controls the NYC block producer? And how much eos do they control? And how were they nominated in the first place?
- 2,257
1
vote
0
answers
43
views
Config paramter default_max_block_cpu_usage and unit tests
We have problem with built-in unit-tests when we increase min_activated_stake (producer_pay.cpp):
const int64_t min_activated_stake = 300'000'000'0000;
And unit tests agrio_system_tests/...
- 125
1
vote
0
answers
27
views
Multi Block Production
I want to create 4 Block Producers. I am following this
tutorial and giving the same genesis for every node. I am only able to run two block producers. Is there any way to solve this?
- 622
3
votes
1
answer
2k
views
What is the system requirements of being a block producer?
How powerful are the systems of being a block producer? I'm assuming it must be very powerful systems since they make alot of EOS tokens everyday.
- 2,257
1
vote
1
answer
25
views
Are all the 21 block producers public? And if so who are they?
Do we know the identities of all of the 21 block producers? If not, then how were they voted into place?
- 2,257