Luke Schoen
9eb0a392af
* Update example-offchain-worker to include missing implementation for TestAuthId i tried to incorporate the off-chain worker callback demo as a custom pallet of my own Substrate-based blockchain implementation that's provided at the following links * https://www.parity.io/blog/substrate-off-chain-workers-secure-and-efficient-computing-intensive-tasks/ * https://gnunicorn.github.io/substrate-offchain-cb/ but when i build the code with `cargo build --release`, it gave me an error: ``` error[E0277]: the trait bound `AuthorityId: AppCrypto<MultiSigner, MultiSignature>` is not satisfied --> /Users/me/my_repo/node/runtime/src/lib.rs:1172:5 | 1172 | type AuthorityId = AuthorityId; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `AppCrypto<MultiSigner, MultiSignature>` is not implemented for `AuthorityId` | note: required by a bound in `offchaincb::Config::AuthorityId` --> /Users/me/my_repo/node/pallets/offchaincb/src/lib.rs:169:21 | 169 | type AuthorityId: AppCrypto<Self::Public, Self::Signature>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `offchaincb::Config::AuthorityId` ``` where in my custom pallet i have: pallets/offchaincb/src/lib.rs ``` ... use offchaincb::{ crypto::{ TestAuthId, }, }; ... parameter_types! { pub const GracePeriod: BlockNumber = 1 * MINUTES; pub const UnsignedInterval: BlockNumber = 1 * MINUTES; pub const UnsignedPriority: BlockNumber = 1 * MINUTES; } impl offchaincb::Config for Runtime { type AuthorityId = TestAuthId; type Call = Call; type Currency = Balances; type Event = Event; type GracePeriod = GracePeriod; type UnsignedInterval = UnsignedInterval; type UnsignedPriority = UnsignedPriority; } ... ``` then i found another different off-chain workers Substrate Recipe demo from Jimmy Chu https://github.com/jimmychu0807/recipes/blob/master/pallets/ocw-demo/src/lib.rs#L73 which had an extra implementation for TestAuthId here https://github.com/jimmychu0807/recipes/blob/master/pallets/ocw-demo/src/lib.rs#L73, and when i added that it overcame the error. so i think this change should be included in the Substrate repository * Fix indentation * Fix formatting * Swap order
Substrate · 
Substrate is a next-generation framework for blockchain innovation 🚀.
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Simply go to docs.substrate.io and follow the installation instructions. You can also try out one of the tutorials.
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