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Substrate and Polkadot Beta

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37 questions
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I encountered an error when using sudo from my parachain in the Polkadot.js UI modu.bd8f3266470441f0.js:2 Uncaught Error: createType(Call):: Call: failed decoding sudo.sudo:: Struct: failed on args: {&...
go11li's user avatar
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1 vote
1 answer
145 views

Getting this error while trying to withdraw rewards from https://staking.polkadot.cloud/#/pools Note that I don't see any metadata updates at https://polkadot.js.org/apps/#/settings/metadata that are ...
Abdul Rauf's user avatar
  • 111
0 votes
1 answer
38 views

RPC-CORE: submitAndWatchExtrinsic(extrinsic: Extrinsic): ExtrinsicStatus:: 1002: Verification Error: Runtime error: Execution failed: Execution aborted due to trap: wasm trap: wasm `unreachable` ...
Ashutosh singh's user avatar
  • 25
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I am writing integration test using Polkadot-JS api. On the Substrate chain side, I have this structure: pub type NodeKey = AccountId32; #[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo, ...
Boleng's user avatar
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Are the maintainers of Polkadot.js Apps UI receptive to integrating with a wallet selector? Is there a reason why Polkadot.js Apps UI is not integrated with the Talisman Connect wallet selector?
Dan Forbes's user avatar
  • 650
1 vote
1 answer
71 views

i need to check in my dapp when the metadata of my wallet is expired and show a popup telling the user that he needs to update his metadata by clicking an update button on that popup. i need to do ...
Nikola Grujičić's user avatar
  • 48
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0 answers
183 views

I have a password-protected digital backup of an account using the JSON file from the Polkadot.JS extension. How do I get the mnemonic/seed phrase from this file so that I can back it up on paper? ...
phillux's user avatar
  • 11
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1 answer
46 views

In the verification of a schnorrkel sr25519 signature, there is a signing context which takes an arbitrary string/bytes. What is the signing context used in the PolkadotJS Extension? Is it something ...
Drew Stone's user avatar
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1 answer
69 views

I created a 2/3 multisig wallet and staked 500 DOT with it, but I received this error message. This could mean your nomination has not been applied to any validator in the active set by the election ...
robinwen's user avatar
  • 101
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1 answer
40 views

When making a transaction we are supposed to see the transaction details under the method section but we only see method data Wrong: Correct(you can see the method -> assetConversion..):
Nikola Grujičić's user avatar
  • 48
1 vote
0 answers
16 views

In Polkadot JS Apps, when signing a payload the payload is wrapped in a <Bytes> tag. E.g. I put a few console log's in the polkadot JS apps code to figure out what's going on. As you can see, ...
goastler's user avatar
  • 579
1 vote
1 answer
36 views

In the Substrate documentation, I came across a statement stating that at the beginning of a new block, the System pallet automatically removes all events that were stored from the previous block. ...
the dev's user avatar
  • 497
3 votes
0 answers
34 views

so i am building a dapp with ink it has messages to get data and put data and on FE when i logged in with the polkadot-js extension wallet everytime i reload the page it asks me to sign the ...
rahul's user avatar
  • 133
3 votes
0 answers
87 views

We have a customized substrate chain currently running and we are facing some signature issues (repo). This chain has custom types, custom header and an additional extension to check a parameter ...
Leouarz's user avatar
  • 353
4 votes
1 answer
164 views

I am trying to create a SignerPayloadJSON from an encoded partial extrinsic in polkadotjs. The partial extrinsic has the following hex representation ...
Tadeo's user avatar
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