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5 votes
1 answer
380 views

Parachain not syncing with peers

An instance is already running a parachain collator node and is producing block. Is collating: yes [Relaychain] 🏷 Local node identity is: 12D3KooWLhkaoFSGV2JfXea1BGTEAv2R5PE4v2b1nHZMo1ZGtXDG [...
Sudip Ghimire's user avatar
3 votes
1 answer
47 views

How to add vector fields in the block header?

I want to add a vector fields in the block header of substrate chain. Is this possible? If yes, How can i do that? Do we have any reference code for it? Thanks in advance
Deepak Chaudhary's user avatar
3 votes
0 answers
133 views

Unable to fully utilize block capacity when performing load testing

I'm currently running load tests on my local parachain which includes Frontier integration for EVM compatibility. During these tests, I'm sending thousands of transactions via the RPC endpoint. ...
magecnion's user avatar
  • 344
3 votes
0 answers
50 views

How to add custom process without exceeding the block time?

The question can seem weird but here is the geist of it : In a custom chain with 20 sec block time, we have a different format of header that includes more information. At the end of the block, we ...
Leouarz's user avatar
  • 353
3 votes
1 answer
54 views

How I use Database Snapshot Services correct

I want use Database Snapshot Services, because making genesis to last block takes too much time.... so I used POLKACHU site, the code is. " curl -o - -L https://snapshots.polkachu.com/snapshots/...
jay p's user avatar
  • 61
1 vote
1 answer
63 views

while building an application logic (use macros in a custom pallet)

[][in build an application logic im facing this error im new to substrate please help me fix this.]
Preethi M's user avatar
1 vote
1 answer
41 views

I got this error while building a blockchain (building a local blockchain)

when i run node template without --ws external its producing blocks but when i run with --ws external its giving me error please help me fix this im new to substrate.
Preethi M's user avatar
1 vote
0 answers
40 views

Custom Transaction type

I'm trying to create a layer 2 blockchain. In this blockchain, I do some computing to add to a transaction. Basically, I want to add a custom type to store in the block alongside Extrinsics. Are there ...
Burak's user avatar
  • 903
0 votes
1 answer
31 views

Show block author

I have created a new substrate blockchain using the frontier node template. https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Falice.ekratos.cat#/explorer Everything works, but in the Polkadot portal, the ...
Víctor Muñoz's user avatar
0 votes
0 answers
54 views

Is it possible to fetch the validator's public address who participate during the grandpa finality of the current block?[updated]

I'm working on a chain where I need to gather the validator's public address who participates in the grandpa finality process and validate the current block. For ex: let's say we have 10 validators ...
Deepak Chaudhary's user avatar
0 votes
0 answers
36 views

Build a blockchain

I'm following substrate documentation in that build a blockchain tutorial while following the monitoring node metrics tutorial. I got stuck while installing prometheus on my ec2 instance is there any ...
Preethi M's user avatar
0 votes
0 answers
26 views

Collator starts after more than 10 hours on Azure cloud

I am migrating from AWS to Azure Cloud. I have two parachain collators running. One on AWS (yet to migrate) and another on Azure Cloud (migrated). Whenever I restart the service on AWS, it hardly ...
Nitesh B.'s user avatar
  • 101