@superfluid-finance/sdk-redux v0.6.0
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✨ Superfluid App
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Introduction
SDK-Redux is an application framework for building front-end applications that interact with the Superfluid Protocol.
More specifically, SDK-Redux is a wrapper library around @superfluid-finance/sdk-core
which adds state management to Superfluid related queries and operations.
Under the hood, SDK-Redux leverages popular Redux libraries Redux Toolkit & RTK Query.
Important Disclaimer
SDK-Redux is in early active development and can have breaking releases without warning and without consideration for semantic versioning.
Features
- Tracking loading state in order to show UI spinners
- Avoiding duplicate requests for the same data
- Managing cache lifetimes as the user interacts with the UI
- Tracking blockchain transactions produced by user interactions
Notable Used Technologies
- TypeScript
- Redux
- Redux Toolkit
- RTK Query
- Ethers
Requirements
- SDK-Core
- Redux store & Redux Toolkit
- React* (The SDK-Redux generates React Hooks which are recommended but not strictly necessary to use. The SDK-Redux is UI-framework agnostic but we currently have example only for React)
Getting Started
Plugging Into Redux Store
Requirements:
A brand-new scaffolded Redux store configuration looks something like this:
import { configureStore, ThunkAction, Action } from '@reduxjs/toolkit';
export const store = configureStore({
reducer: {
},
});
export type AppDispatch = typeof store.dispatch;
export type RootState = ReturnType<typeof store.getState>;
export type AppThunk<ReturnType = void> = ThunkAction<
ReturnType,
RootState,
unknown,
Action<string>
>;
We need to plug in the Superfluid SDK-Redux parts.
Import the following function:
import {
allRpcEndpoints,
allSubgraphEndpoints,
createApiWithReactHooks,
initializeRpcApiSlice,
initializeSubgraphApiSlice,
initializeTransactionTrackerSlice
} from "@superfluid-finance/sdk-redux";
Create the Redux slices:
export const rpcApi = initializeRpcApiSlice(createApiWithReactHooks).injectEndpoints(allRpcEndpoints);
export const subgraphApi = initializeSubgraphApiSlice(createApiWithReactHooks).injectEndpoints(allSubgraphEndpoints);
export const transactionTracker = initializeTransactionTrackerSlice();
Plug in the slices to the Redux store:
export const store = configureStore({
reducer: {
[rpcApi.reducerPath]: rpcApi.reducer,
[subgraphApi.reducerPath]: subgraphApi.reducer
[transactionTracker.reducerPath]: transactionTracker.reducer,
}
});
Add the middlewares (important to add for both rpcApi
& subgraphApi
):
export const store = configureStore({
reducer: {
[rpcApi.reducerPath]: rpcApi.reducer,
[subgraphApi.reducerPath]: subgraphApi.reducer
[transactionTracker.reducerPath]: transactionTracker.reducer,
},
middleware: (getDefaultMiddleware) =>
getDefaultMiddleware().concat(rpcApi.middleware).concat(subgraphApi.middleware),
});
Somewhere in your code, give instructions to the sdkReduxConfig
to locate Framework
:
import { setFrameworkForSdkRedux } from "@superfluid-finance/sdk-redux";
setFrameworkForSdkRedux(chainId, sdkCoreFramework);
That should be it! You should now be able to dispatch messages to Superfluid reducers & use the React hooks.
Using Queries (i.e. "read" operations)
Read about RTK-Query queries here: https://redux-toolkit.js.org/rtk-query/usage/queries
Example using React Hook:
const {
data: pagedStreams,
isUninitialized,
isFetching,
isLoading,
isError,
error,
refetch,
} = sfSubgraph.useStreamsQuery({
chainId: queryChainId,
filter: {
token: superTokenAddress,
sender: senderAddress
},
pagination: {
skip: (page - 1) * pageSize,
take: pageSize
},
ordering: {
orderBy: "currentFlowRate",
orderDirection: "desc"
}
}, {
pollingInterval: 5000 // Not necessary to use but nice-to-have additional option by RTK-Query.
});
Using Mutations (i.e. "write" operations)
Read about RTK-Query queries here: https://redux-toolkit.js.org/rtk-query/usage/mutations
Example using React Hook:
const tx = await rpcApi.createFlow({
signer,
chainId,
senderAddress: senderAddress,
receiverAddress: receiver,
flowRateWei: flowRate,
superTokenAddress: superToken
}).unwrap();
Transaction Tracking
All mutations trigger tracking for transaction progress (stored in transactionTrackerSlice
) and transaction monitoring for re-orgs (all cached data is re-fetched in case of a re-org).
Examples
Check out the extensive demo here: examples/sdk-redux-react-typescript
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