Denis Pisarev
3c50838dc3
* change (CI): markdown link checker * Fix some invalid doc links (re-run of cargo-unleash gen-readme w/ fixes). * Fix some invalid doc links * Fix some invalid doc links * Fix some links * Fix some links * Apply @bkchr suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Fix more links * Fix more links * typo * Fix more links * Fix more links * Ignore valid link .. check wrongly sees it as invalid * Fix style issue * Fix style issue * change (CI): update style guide link * change (lib): suggestions Co-authored-by: Dan Forbes <dan@danforbes.dev> Co-authored-by: Steve Degosserie <steve@parity.io> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Offchain Worker Example Module
The Offchain Worker Example: A simple pallet demonstrating concepts, APIs and structures common to most offchain workers.
Run cargo doc --package pallet-example-offchain-worker --open to view this module's
documentation.
Overview
In this example we are going to build a very simplistic, naive and definitely NOT
production-ready oracle for BTC/USD price.
Offchain Worker (OCW) will be triggered after every block, fetch the current price
and prepare either signed or unsigned transaction to feed the result back on chain.
The on-chain logic will simply aggregate the results and store last 64 values to compute
the average price.
Additional logic in OCW is put in place to prevent spamming the network with both signed
and unsigned transactions, and custom UnsignedValidator makes sure that there is only
one unsigned transaction floating in the network.
License: Unlicense