Questions tagged [substrate-node-template]
Posts that reference the Substrate node template, a basic Substrate node typically used for getting started with Substrate.
10 questions from the last 30 days
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sp-io v38.0.0 cannot find function `malloc` in module `crate::allocator`
I'm building custom solochain using polkadot-sdk-solochain-template.
After I've added some dependencies and fixed error with implementation I'm starting to get the sp-io error:
cannot find function `...
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How to Generate Substrate Keys for a Custom SS58 Format (e.g., 567)?
I am working on a Substrate-based blockchain and need to generate keys for my network, which uses a custom SS58FORMAT = 567. I am using the key subcommand from my Substrate node executable. However, ...
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Resolving Frame-Metadata Version Conflict Between Dependencies while updating version of substrate project
There seems to be a frame-metadata crate error where 2 versions are being referenced which is causing the error. The 2 versions are v16.0.0 and v18.0.0. The issue is that the substrate-wasm-builder ...
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Issues with Dependency Version Mismatch and Rust Toolchain Version for Frontier polkadot-v1.8.0 Branch
Problem Description I cloned the polkadot-v1.8.0 branch of the Frontier repository and am attempting to build the Substrate chain using Cargo. However, I'm encountering issues with mismatched library ...
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no matching package named `orml-vesting` found
I am trying to add orml-vesting in my project but I am getting error: no matching package named orml-vesting found issue while running cargo check -p node-template-runtime. Can somebody point out me ...
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error[E0152]: duplicate lang item in crate `sp_io` (which `sp_application_crypto` depends on): `panic_impl`
(I have the same problem, and use the same words. It means that still no solution here).
I am building a solo chain from Substrate node template, Now, I am trying to add pallet-contracts on the ...
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How to burn total issuance
I have a solo chain with a total issuance of 10 billion tokens. I need to reduce this number to 5 million. What is the best way to burn the excess tokens to set the total issuance to 5 million?
- 568
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Substrate: Transfers Work Only for Genesis Accounts, Not New Wallets
’m working on a Substrate-based blockchain with ExistentialDeposit = 0. Transfers between accounts defined in the genesis configuration work perfectly. However, when transferring tokens to a newly ...
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Nova Wallet - Fee loading filed
I connected my custom blockchain to Nova Wallet. But if I try to send coins, I see error "Fee loading filed". The mobile app support said, that I have to use runtime metadata v14. but I ...
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Resolving Sandbox Host Function Access After Deprecation in Polkadot v0.9.35
I am currently working on a Substrate-based solo chain that has migrated from polkadot-v0.9.34 to polkadot-v0.9.35 and is now on the stable branch 2409. In v0.9.35, the Sandbox host functions were ...
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