import { RpcCore } from "https://deno.land/x/polkadot@0.2.29/rpc-core/mod.ts";
Parameters
registrySwap: (blockHash: Uint8Array) => Promise<{ registry: Registry; }>
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import { RpcCore } from "https://deno.land/x/polkadot@0.2.29/rpc-core/mod.ts";