Top new questions this week:
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I've been exploring the intricacies of node types in Polkadot and other Substrate-based networks and came across a scenario that has left me curious. I understand that full nodes and archive nodes ...
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Is it feasible for validators to retrieve information from external APIs, particularly news data, and seamlessly incorporate it into the blockchain?
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I am facing an issue with syncing new nodes to the bootnodes of my parachain on Kusama. The bootnodes were synced using the following commands:
For fast sync: binary --chain <parachainchain> -- ...
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I'm using Polkadot version 1.3.0-7c9fd83805c. When syncing a node with the command:
➜ ~ polkadot --tmp
I've encountered an error preventing me from retrieving the genesis block:
-32000: Client error:...
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In this link Balances::transfer will be removed it say 'transfer' is deprecated.
I have experienced this change on test-net and fixed my Dapp after got failure report.
But when does it take into ...
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I saw this polkadot API document: https://polkadot.js.org/docs/substrate/rpc/#payment
and it mentioned that the payment_queryInfo is deprecated and should use api.call.transactionPaymentApi.queryInfo ...
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I saw token decimal has different value like 12, 10, 6 in different substrate chain, What exactly it means and what is the use of it?
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Greatest hits from previous weeks:
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I am coding a pallet in which I need to know who I am inside a offchain worker to check if I should send a transaction or not. Right now I have access to the account in the send_signed_transaction ...
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I know that similar questions have been asked before but I am not able to resolve this issue with my setup. I am trying to run a basilisk node but keep running into the errors below.
The error log:
...
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I want to implement NFTs on a substrate chain. Could someone provide options/resources which can help me accomplish this?
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Here is a simple edit of the pallet/template/lib.rs that uses Vec<u8> in storage:
#![cfg_attr(not(feature = "std"), no_std)]
pub use pallet::*;
#[frame_support::pallet]
pub mod ...
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I'm new to Substrate and I'm creating a pallet in which the user can create contests by depositing a certain amount of assets. My idea is to send that amount to the PalletId account, but I'm having an ...
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Following the instructions at (https://bruno.id/preparation-for-the-substrate-workshop/) until I received a build error, executing the instructions under the 'Error' heading, I received the following ...
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Problem
I always use the following method to debug ink!
However, that method is not very efficient when implementing complex contracts.
Furthermore, there is a demerit that many debug statements will ...
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Can you answer these questions?
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I need to build and run a substrate node in a such way that polkadot.js.org/apps will not display Alice, Bob etc at accounts page. I tried to remove all mentioning of Alice, Bob etc. from the rust ...
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// ...but they must match our filter, which rejects all.
type XcmExecuteFilter = Nothing; // == Deny All
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I am currently working on incorporating a transaction fee logic where the block reward for a validator is intended to be shared between the validator and its nominator. However, I am encountering an ...
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