substrate

Use when reading Substrate and Polkadot data through Dwellir endpoints: @polkadot/api connection setup, core RPC methods (system_*, chain_*, state_*), storage queries, WebSocket subscriptions, Sidecar REST APIs, and best practices. Use when working with Polkadot, Kusama, Substrate chains, parachains, extrinsics, or Sidecar REST endpoints through Dwellir. Triggers on mentions of polkadot, kusama, substrate, parachain, xcm, moonbeam, astar, acala, @polkadot/api, extrinsic, pallet, GRANDPA, sidecar, asset hub, bridge hub, or Substrate chain names.