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Unanswered Questions

969 questions with no upvoted or accepted answers
0 votes
1 answer
269 views

Can't vote from ledger using a hardware wallet?

I tried to vote from a ledger kusama account on polkadot js and I get Raw data signing is not supported for hardware wallets. Is this a limitation of the zondax ledger app or a polkadot-js limitation?
0 votes
0 answers
104 views

How to rescue a parachain from "Could not find header of the genesis block in the database" error?

I have a situation where I uploaded the genesis wasm and state to the relay chain network, and then proceeded to make a few changes to the parachain node after that and compile it. When I ran the new ...
0 votes
1 answer
32 views

how to store blocks of development node

I am using the substrate development node and each time I stop the node I lose all the data stored on the blocks. Is there a way to store these blocks so that I can access them even when I restart the ...
0 votes
1 answer
41 views

PostDispatch: Report Actual Weight but Charge Different Fee

Given the following extrinsic #[pallet::weight(<T as Config>::WeightInfo::foo(*hint))] fn foo(hint: u32) { let real = get_real(); if real > hint { return <Error<T>>::...
0 votes
0 answers
68 views

Invalid messaging state in relay chain state proof

i am trying to connect my parachain to a westend spec'd relay. during the syncing phase, i see the following errors in my parachain logs: ... Dec 14 11:54:00 parachain[440678]: 2022-12-14 11:54:00 [...
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0 answers
59 views

StakerStatus is not updating on my custom explorer

I have made a custom explorer of a substrate based blockchain, and when i am chilling the staker, its status is not updating to inactive on the custom explorer, is there any RPC call or any other way ...
0 votes
0 answers
20 views

Blockchain development under 200GB?

I'm trying to make meaningful code contributions to Substrate/Polkadot ecosystem in the hopes of becoming a Blockchain developer one day. I tried the Substrate approach and discovered that it takes ...
0 votes
0 answers
35 views

Compile errors building Substrate Recipes out of the box

I'm trying to get started with substrate by looking at Substrate Recipes. I installed rust using curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh with WSL with default configuration (...
0 votes
0 answers
85 views

build NPOS EVM commpatible chain

What's the best project setup to build an NPoS and EVM Compatible chain at this moment? Which version/branch of polkadot release to use? such as polkadot-v0.9.22 or polkadot-v0.9.18? Use ORML or ...
0 votes
0 answers
23 views

Robonomics parachain on zombienet times out

I have a minimum zombienet configuration with two validators on local rococo testnet and a robonomics parachain node. [relaychain] default_command = "./bin/polkadot" default_args = [ "-...
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0 answers
140 views

how can test and check TPS in substrate?

I gonna to check and test TPS and bottleneck in substrate . what should i do for that and how can i do that in local ? please guide me for that .
0 votes
0 answers
88 views

"error: failed to run custom build command for `libp2p-core v0.37.0`" in windows

I just started experimenting with substrate and I'm getting this error when running cargo build --release: Compiling semver v1.0.14 error: failed to run custom build command for libp2p-core v0.37.0 ...
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0 answers
56 views

the trait bound `sp_runtime::MultiSignature: Verify` is not satisfied

I get the below error when I run cargo build. is there a code example on how to implement the missing trait or can someone point me to a detailed explanation or provide one ? thanks error[E0277]: ...
0 votes
0 answers
76 views

Substrate API not working with parity polkadot node after upgrade

I am running polkadot node with docker - parity/polkadot:v0.9.30 and sidecar with parity/substrate-api-sidecar:v14.0.1 , the node synched to the latest, but when tried to query the sidecar, getting ...
0 votes
1 answer
48 views

connect custom frontend to my local substrate

I Created custome pallet with substrate in my local system . I gonna to connect my custome front-end ( Angular ) to my local substrate . i tryied to do it in angular with these codes : import { ...

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