Questions tagged [substrate-archive]

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Is there a way to start an archive node of a parachain using snapshots? How can we export/ import relaychain blocks?

Using export-blocks command we can export parachain blocks but when trying to export relay chain blocks we received error field RelaychainSpec not found. Is there a way to take snapshot of a parachain ...
0 votes
1 answer
23 views

Not able to fetch historical blocks with Role: Authority

I am using polkadot v0.9.25 and run it on dev mode, it's role is authority and after 256 block when I try to fetch the data of 1 block it shows error Unable to retrieve the specified block details. -...
0 votes
1 answer
41 views

Where to find validator heartbeat stored on substrate Blockchain

I'm looking for a place in Substrate where it stores validator heartbeat. I have gone through the staking pallet and I was unable to find it. Where do I need to look for it ?
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0 votes
0 answers
25 views

Version conflict on Substrate Archive

I see that Substrate Archive uses the master branch of the Substrate. However, I've been developing my Substrate chain with the polkadot-v0.9.18 branch. When I add my runtime to the bin/node-template-...
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2 votes
1 answer
53 views

Substrate - Generating Transaction History of a Wallet

How can I generate transaction history of a wallet? I was able to run substrate-archive alongside polkadot and a template node in archive node. I stored onto postgres: state_traces, blocks, extrinsics,...
1 vote
1 answer
30 views

Substrate-Archive, workaround for MAC?

Setting up Substrate-Archive for the first time. Tutorial/Wiki is a bit outdated. Following this solution that I found in "issues". Compiled and ran; however, I got an issue that I believe ...
0 votes
1 answer
36 views

How to do "erasStakers" in Rust?

Very sorry for such a newbie question; just don't know where else to ask 🙏 Essentially, I want to programmatically dump from the network who won the most recent election. To do so, I'm issuing an ...
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2 votes
1 answer
43 views

Events in Substrate Archive

Does substrate archive store events anywhere? It doesn't seems like it does, although it saves extrinsics and its parameters. I'm also having this kind of issue when running the app with a custom ...
  • 1,014
6 votes
1 answer
85 views

How to perform arithmetic operation on Option<BalanceOf<T>>?

Hello all developers and community members, I am very new to Substrate and Rust. I am creating a pallet for NFT marketplace. for storing out the NFT details I've created a struct as mentioned below. ...
3 votes
2 answers
138 views

Why does Substrate use rocksdb & paritydb over leveldb?

What are the benefits of rocksdb over leveldb? Can Substrate use leveldb? I understand that rocksdb was the database of choice for Parity Ethereum client, and paritydb aims to fix a lot of the ...
7 votes
3 answers
99 views

Extending the substrate-archive with more on-chain data

Substrate community! Recently I came across the substrate-archive project. It does its indexing job extremely well, and I wanted to utilize it with some modifications here and there. Things I wanted ...
5 votes
2 answers
110 views

How to use substrate archive for custom chains?

In the substrate archive wiki, they showed how to archive the polkadot chain's data. Now I want to get other chains' data (like a substrate template node or Astar, Moonbeam, etc). How can I do that? ...
13 votes
5 answers
455 views

Is there a good indexer for substrate chains (like the graph)?

If we want to ask lots of queries about chain state (for example users activity over time etc.) is there a recommended or de-facto way of doing it? Ethereum has 'the graph' for example as a high ...
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