Questions tagged [tutorials]
Questions about Substrate tutorials.
13
questions
2
votes
0
answers
34
views
Cant produce new blocks with custom ChainSpec file
I was using substrate version of 4.0.0-dev-41ad4a6c9d7 and following the Add Trusted Nodes for making a custom account as a Authorites account
here, I can't able to produce new blocks, I don't know ...
- 95
3
votes
1
answer
156
views
How to migrate from Kusama to Polkadot?
I want to migrate my production parachain from Kusama or Polkadot.
How can I achieve this?
- 539
1
vote
1
answer
201
views
"Cannot convert undefined or null to object" using polkadot.js in substrate tutorials
I've been following through the pallets tutorial: https://docs.substrate.io/tutorials/work-with-pallets/use-macros-in-a-custom-pallet/ and got stuck at the last step of interacting with the blockchain....
- 13
1
vote
1
answer
247
views
duplicate lang item in crate `sp_io` (which `frame_support` depends on): `panic_impl`
I am following the Substrate tutorial on adding pallets. However, when I add pallet-nicks to the Cargo.toml located in the runtime folder and then add the pallets-nicks implementation to the lib.rs ...
- 113
1
vote
1
answer
64
views
in the second tutorial i didn't had to specify a key for bob, how did it work?
In the second tutorial where we simulate a network with two nodes, we add Bob however we use --bootnodes option and we didn't specify the keys for bob.
what does that option do specifically, i assume ...
- 1,073
0
votes
1
answer
54
views
Tutorial - Simulate a network: I've started 4 nodes (Alice/Bob/Charlie/Eve), but not all of the nodes show '3 peers'
https://docs.substrate.io/tutorials/get-started/simulate-network/
While working on this tutorial, I decided to go beyond the Alice and Bob nodes and also started Charlie and Eve nodes. While adding ...
- 145
5
votes
0
answers
43
views
Error on Launching the First Node Following the Tutorial
I was following the substrate get started tutorial. In the "Trusted Network - Add trusted nodes", I was failed to start the first node step.
(I was using the virtual machine and the os is ...
- 51
1
vote
1
answer
69
views
Not able to build local blockchain as per documenation tutorial
Getting the following error and not able to build my first local blockchain using the documentation tutorial:
3 warnings generated.
/Library/Developer/CommandLineTools/usr/bin/ranlib: file: ...
- 11
1
vote
1
answer
42
views
Simulate Network Tutorial [closed]
So from the new tutorial website: https://docs.substrate.io/tutorials/get-started/trusted-network/#generate-local-keys-using-the-node-template
Few scrolls down there is a line: ./target/release/node-...
2
votes
4
answers
330
views
Cannot produce and finalize blocks with 2 node peer
I want to connect 2 nodes via custom chain specification via Internet IP public
https://docs.substrate.io/tutorials/get-started/trusted-network/
I. STEP 1: Create Aura and grandpa
--- NODE 01----
...
- 33
0
votes
1
answer
103
views
ink! tutorial: substrate-contracts-node build fails
I am making my way through the ink! "First Contract" tutorial:
https://docs.substrate.io/tutorials/v3/ink-workshop/pt1/
When trying to download the precompiled node:
cargo install contracts-...
- 33
1
vote
1
answer
183
views
Keys cannot be added to keystore
Problem
Keys cannot be added to keystore.
Situation description
To launch the private network, the boot node was first started and succeeded.[❶]
The next time I tried to add a keys to the keystore I ...
3
votes
1
answer
58
views
Is there any wargame-like for Substrate?
In my opinion, the best way to learn things is by practicing. The Substrate's tutorial (and docs) are already great on that matter.
But I have to say that I miss something around security there. I ...
- 1,012