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A Hands-On Cookbook for Aspiring Blockchain Chefs

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My current substrate node version is 4.0.0-dev. And I am going to add offchain worker function on my current node project. I have added the ocw-demo pallet on ```pallets``` folder....

Some time ago all the pallets have been updated from v1 to v2 but the document files were not updated. In this PR I have updated them. @JoshOrndorff Please take...

Bumps [thread_local](https://github.com/Amanieu/thread_local-rs) from 1.1.3 to 1.1.4. Commits 4a54e57 Bump version to 1.1.4 ebf8b45 Merge pull request #34 from ibraheemdev/patch-1 3d69afa Fix memory ordering in RawIter::next See full diff in compare...

dependencies
rust

How do I fix this error? error: duplicate lang item in crate `std` (which `serde` depends on): `panic_impl`. | = note: the lang item is first defined in crate `sp_io`...

error: duplicate lang item in crate `std` (which `serde` depends on): `panic_impl`. | = note: the lang item is first defined in crate `sp_io` (which `ocw_demo` depends on) = note:...

Bumps [nix](https://github.com/nix-rust/nix) from 0.20.0 to 0.20.2. Changelog Sourced from nix's changelog. [0.20.2] - 28 September 2021 Added Changed Fixed Fixed buffer overflow in unistd::getgrouplist. (#1545) [0.20.1] - 13 August 2021...

dependencies
rust

Bumps [zeroize_derive](https://github.com/RustCrypto/utils) from 1.0.1 to 1.3.2. Changelog Sourced from zeroize_derive's changelog. Changelog All notable changes to this project will be documented in this file. The format is based on Keep...

dependencies
rust

Bumps [crossbeam-deque](https://github.com/crossbeam-rs/crossbeam) from 0.7.3 to 0.7.4. Changelog Sourced from crossbeam-deque's changelog. Version 0.8.1 Support targets that do not have atomic CAS on stable Rust (#698) Version 0.8.0 Bump the minimum...

dependencies
rust

Hello, I try to write a test case for checking function fetch_github_info in offchain worker. But it failed. ``` #[test] fn fetch_submit_info_works() { let (mut t, _, _) = ExternalityBuilder::build();...

I got these two errors while building the kitchen-node with ocw feature. 1. error: duplicate lang item in crate `std` (which `serde` depends on): `panic_impl`. 2. error: duplicate lang item...