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chore: kickoff LLD integration of wallet sync
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apps/ledger-live-desktop/src/newArch/WalletSync/components/WalletSyncContext.tsx
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import React from "react"; | ||
import { useWatchWalletSync, WalletSyncUserState } from "../hooks/useWatchWalletSync"; | ||
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export const WalletSyncContext = React.createContext<WalletSyncUserState>({ | ||
visualPending: false, | ||
walletSyncError: null, | ||
onUserRefresh: () => {}, | ||
}); | ||
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export const useWalletSyncUserState = () => React.useContext(WalletSyncContext); | ||
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export function WalletSyncProvider({ children }: { children: React.ReactNode }) { | ||
const walletSyncState = useWatchWalletSync(); | ||
return ( | ||
<WalletSyncContext.Provider value={walletSyncState}>{children}</WalletSyncContext.Provider> | ||
); | ||
} |
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apps/ledger-live-desktop/src/newArch/WalletSync/hooks/useWatchWalletSync.ts
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import { useCallback, useEffect, useMemo, useState } from "react"; | ||
import { useDispatch, useSelector, useStore } from "react-redux"; | ||
import { CloudSyncSDK, UpdateEvent } from "@ledgerhq/live-wallet/cloudsync/index"; | ||
import walletsync, { | ||
liveSlug, | ||
DistantState, | ||
walletSyncWatchLoop, | ||
LocalState, | ||
} from "@ledgerhq/live-wallet/walletsync/index"; | ||
import { getAccountBridge } from "@ledgerhq/live-common/bridge/index"; | ||
import { useTrustchainSdk } from "./useTrustchainSdk"; | ||
import { walletSelector } from "~/renderer/reducers/wallet"; | ||
import { Trustchain } from "@ledgerhq/trustchain/types"; | ||
import { | ||
memberCredentialsSelector, | ||
trustchainSelector, | ||
setTrustchain, | ||
} from "@ledgerhq/trustchain/store"; | ||
import { TrustchainEjected } from "@ledgerhq/trustchain/errors"; | ||
import { State } from "~/renderer/reducers"; | ||
import { cache as bridgeCache } from "~/renderer/bridge/cache"; | ||
import { setAccountNames, walletSyncUpdate } from "@ledgerhq/live-wallet/store"; | ||
import { replaceAccounts } from "~/renderer/actions/accounts"; | ||
import noop from "lodash/noop"; | ||
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function localStateSelector(state: State): LocalState { | ||
return { | ||
accounts: { | ||
list: state.accounts, | ||
}, | ||
accountNames: state.wallet.accountNames, | ||
}; | ||
} | ||
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function latestDistantStateSelector(state: State): DistantState | null { | ||
return walletSelector(state).wsState.data; | ||
} | ||
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export type WalletSyncUserState = { | ||
visualPending: boolean; | ||
walletSyncError: Error | null; | ||
onUserRefresh: () => void; | ||
}; | ||
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export function useWatchWalletSync(): WalletSyncUserState { | ||
const memberCredentials = useSelector(memberCredentialsSelector); | ||
const trustchain = useSelector(trustchainSelector); | ||
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const trustchainSdk = useTrustchainSdk(); | ||
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const store = useStore(); | ||
const dispatch = useDispatch(); | ||
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const getCurrentVersion = useCallback(() => { | ||
const state = walletSelector(store.getState()); | ||
return state.wsState.version; | ||
}, [store]); | ||
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const onTrustchainRefreshNeeded = useCallback( | ||
async (trustchain: Trustchain) => { | ||
try { | ||
if (!memberCredentials) return; | ||
const newTrustchain = await trustchainSdk.restoreTrustchain(trustchain, memberCredentials); | ||
setTrustchain(newTrustchain); | ||
} catch (e) { | ||
if (e instanceof TrustchainEjected) { | ||
// TODO: eject the trustchain | ||
// dispatch(resetTrustchainStore()); | ||
} | ||
} | ||
}, | ||
[trustchainSdk, memberCredentials], | ||
); | ||
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const saveNewUpdate = useCallback( | ||
async (event: UpdateEvent<DistantState>) => { | ||
switch (event.type) { | ||
case "new-data": { | ||
const state = store.getState(); | ||
const version = event.version; | ||
const data = event.data; | ||
const wsState = walletSelector(state).wsState; | ||
const localState = localStateSelector(state); | ||
const ctx = { getAccountBridge, bridgeCache, blacklistedTokenIds: [] }; | ||
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console.log("<- incoming data to resolve", data); | ||
const resolved = await walletsync.resolveIncomingDistantState( | ||
ctx, | ||
localState, | ||
wsState.data, | ||
data, | ||
); | ||
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if (resolved.hasChanges) { | ||
console.log("resolved as", resolved); | ||
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const s = store.getState(); | ||
const localState = localStateSelector(s); | ||
const newLocalState = walletsync.applyUpdate(localState, resolved.update); | ||
console.log("new update applied as", newLocalState); | ||
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dispatch(setAccountNames(newLocalState.accountNames)); | ||
dispatch(walletSyncUpdate(data, version)); | ||
dispatch(replaceAccounts(newLocalState.accounts.list)); | ||
} else { | ||
console.log("resolved. no changes to apply."); | ||
} | ||
break; | ||
} | ||
case "pushed-data": { | ||
dispatch(walletSyncUpdate(event.data, event.version)); | ||
break; | ||
} | ||
case "deleted-data": { | ||
console.log("deleted data"); | ||
dispatch(walletSyncUpdate(null, 0)); | ||
break; | ||
} | ||
} | ||
}, | ||
[store, dispatch], | ||
); | ||
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const walletSyncSdk = useMemo( | ||
() => | ||
new CloudSyncSDK({ | ||
slug: liveSlug, | ||
schema: walletsync.schema, | ||
trustchainSdk, | ||
getCurrentVersion, | ||
saveNewUpdate, | ||
}), | ||
[trustchainSdk, getCurrentVersion, saveNewUpdate], | ||
); | ||
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const [visualPending, setVisualPending] = useState(true); | ||
const [walletSyncError, setWalletSyncError] = useState<Error | null>(null); | ||
const [onUserRefresh, setOnUserRefresh] = useState<() => void>(() => noop); | ||
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// pull and push wallet sync loop | ||
useEffect(() => { | ||
if (!trustchain || !memberCredentials) { | ||
setOnUserRefresh(() => noop); | ||
return; | ||
} | ||
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const { unsubscribe, onUserRefreshIntent } = walletSyncWatchLoop({ | ||
walletSyncSdk, | ||
trustchain, | ||
memberCredentials, | ||
setVisualPending, | ||
getState: () => store.getState(), | ||
localStateSelector, | ||
latestDistantStateSelector, | ||
onError: e => setWalletSyncError(e && e instanceof Error ? e : new Error(String(e))), | ||
onStartPolling: () => setWalletSyncError(null), | ||
onTrustchainRefreshNeeded, | ||
}); | ||
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setOnUserRefresh(() => onUserRefreshIntent); | ||
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return unsubscribe; | ||
}, [ | ||
store, | ||
trustchainSdk, | ||
walletSyncSdk, | ||
trustchain, | ||
memberCredentials, | ||
onTrustchainRefreshNeeded, | ||
]); | ||
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const state = useMemo( | ||
() => ({ visualPending, walletSyncError, onUserRefresh }), | ||
[visualPending, walletSyncError, onUserRefresh], | ||
); | ||
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console.log(state); | ||
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return state; | ||
} |
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