Skip to main content
Substrate and Polkadot Beta

Teacher

 Teacher
Answer a question with score of 1 or more.
Awarded 558 times.
Running a listener node in ReadOnly mode
Awarded Mar 8, 2023 at 14:42
How to design ink! storage to prevent OutOfGas?
Awarded Mar 7, 2023 at 8:26
ink-e2e: Metadata artifacts not generated when importing crate
Awarded Mar 3, 2023 at 1:15
Moonbeam #[precompile] procedural macro and Rust generics compilation error
Awarded Mar 1, 2023 at 14:51
How to sign a transaction using secretKey with polkadot/api?
Awarded Mar 1, 2023 at 9:27
TwoX128 hash for rpc.state.metadata pallet names not being a prefix for storage key
Awarded Mar 1, 2023 at 9:27
While executing contracts functions getting out of gas error
Awarded Mar 1, 2023 at 1:40
Duplicate lang item in crate `sp_io` when adding pallet_node_authorization (or any other pallet) impl section to the lib.rs
Awarded Mar 1, 2023 at 1:25
Is it possible to sign a message using the private key of a contract account?
Awarded Feb 20, 2023 at 20:42
Transaction pool error: Too low priority (0 > 0)
Awarded Feb 20, 2023 at 8:51
WeightLimitReached Error
Awarded Feb 15, 2023 at 14:27
How can we get the list of crowdloan contributors?
Awarded Feb 15, 2023 at 9:16
E1-runtimemigration label on substrate repo is missing?
Awarded Feb 15, 2023 at 6:36
@polkadot/util module issue
Awarded Feb 13, 2023 at 10:25
How to split the overall transaction fees associated with an on-chain proposal that passes amongst its creator and voters?
Awarded Feb 11, 2023 at 5:51
How to generate augmented types from V14 metadata generated with subwasm
Awarded Feb 10, 2023 at 10:02
Extrinsics ejected from pool with subxt::tx::TxStatus::Invalid error
Awarded Feb 7, 2023 at 0:25
Balance got Reserved while deploying wasm contracts?
Awarded Feb 2, 2023 at 5:40
Staking Election Failed (staking.StakingElectionFailed The election failed. No new era is planned. ) after adding EVM with NPOS(i.e BABE)
Awarded Jan 30, 2023 at 18:25
Frontier EVM integration: UnknownTransaction::NoUnsignedValidator error occurs while transferring funds via Metamask
Awarded Jan 27, 2023 at 5:32
"Cannot convert undefined or null to object" using polkadot.js in substrate tutorials
Awarded Jan 25, 2023 at 21:35
ERROR: No 'ink_lang' dependency found
Awarded Jan 25, 2023 at 10:43
Security discussion with mnemonic in polkadot extension
Awarded Jan 25, 2023 at 1:49
Can't get extrinsic error from balances.sendTransfer extrinsic in polkadotJSAPI
Awarded Jan 22, 2023 at 12:06
Why do you need a controller account for nomination?
Awarded Jan 19, 2023 at 22:27
Unable to deploy INK 4.0 beta smart contract
Awarded Jan 19, 2023 at 20:28
Where can I find documentation for `assimilate_storage` function?
Awarded Jan 16, 2023 at 10:55
Collation wasn't advertised to any validator. version: polkadot-v0.9.36
Awarded Jan 16, 2023 at 3:42
Private key for EVM Frontier
Awarded Jan 13, 2023 at 17:31
try-runtime polkadot version 36 .. execution flag removed
Awarded Jan 13, 2023 at 17:18
XCM: How to send assets from the local chain to another via democracy?
Awarded Jan 13, 2023 at 11:31
Visual Studio Code support for Substrate?
Awarded Jan 10, 2023 at 4:36
How to decode error that occurred while calling a write method on ink contract, on the client side?
Awarded Jan 9, 2023 at 5:50
Pallet Call Indicies are Conflicting Error
Awarded Jan 7, 2023 at 10:35
How do I create an Asset account using polkadot JS with a reason other than Consumer?
Awarded Jan 7, 2023 at 10:27
What is new way to implement custom data structs (in ink! 4)?
Awarded Jan 6, 2023 at 9:11
Unable to deploy INK 4.0 beta smart contract
Awarded Dec 21, 2022 at 14:11
How to add parachains to parity signer?
Awarded Dec 21, 2022 at 10:16
smart contract function call error
Awarded Dec 19, 2022 at 11:06
How to use polkadot js typescript Typegen to decorate api for runtime
Awarded Dec 15, 2022 at 11:25
try-runtime fails with error RestartNeeded - Invalid request ID
Awarded Dec 12, 2022 at 12:04
getting Error's while adding pallet_evm to runtime " the trait bound `pallet_evm::Pallet<Runtime>: Callable<Runtime>` is not satisfied in `Call`"
Awarded Dec 12, 2022 at 5:21
PSP22 cross-contract call to get metadata such as token decimals and token name using ink!
Awarded Dec 9, 2022 at 18:15
How to decorate RPC correctly?
Awarded Dec 9, 2022 at 11:41
Cannot deploy on Contracts-UI using local node
Awarded Nov 28, 2022 at 13:40
"Account cannot be created" when trying to transfer statemine token to sibling parachain
Awarded Nov 24, 2022 at 7:06
How can we make a cross contract call to a payable message from parent contract?
Awarded Nov 22, 2022 at 13:40
Transaction pool and Signed Extension Pre dispatch
Awarded Nov 17, 2022 at 21:20
ink!: Initializing custom structure
Awarded Nov 15, 2022 at 15:23
Failed to run parity-bridges-common message realy demo
Awarded Nov 15, 2022 at 9:07
Ink! smart contract struct field issues
Awarded Nov 11, 2022 at 9:06
Blocktime double than expected (Standalone network)
Awarded Nov 10, 2022 at 16:55
No UI on Substrate Playground from firefox or chrome under Ubuntu 22.04
Awarded Nov 10, 2022 at 11:21
Error when compiling a contract using the XCM chain extension
Awarded Nov 8, 2022 at 12:35
Opt-out of polkadot.js/api system_health calls for wss rpc
Awarded Nov 8, 2022 at 8:36
How to properly set session keys for Relay and Parachain with custom keys
Awarded Nov 7, 2022 at 23:26
How to add new collators on a running parachain?
Awarded Nov 6, 2022 at 15:07
How can I get all items in a storage map?
Awarded Nov 4, 2022 at 10:16
Split extrinsic execution across multiple blocks
Awarded Nov 3, 2022 at 9:55
Use the Polkadot identicon styles for Parachains
Awarded Nov 2, 2022 at 7:42
1 2 3
4
5
…
10