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9 changes: 7 additions & 2 deletions apps/events/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,11 @@
"ts:check": "tsc --noEmit"
},
"dependencies": {
"@automerge/automerge": "^2.2.8",
"@automerge/automerge-repo-react-hooks": "^1.2.1",
"@automerge/automerge": "^v2.2.9-alpha.3",
"@automerge/automerge-repo": "^2.0.0-alpha.14",
"@automerge/automerge-repo-network-websocket": "^2.0.0-alpha.14",
"@automerge/automerge-repo-react-hooks": "^2.0.0-alpha.14",
"@automerge/automerge-repo-storage-indexeddb": "^2.0.0-alpha.14",
"@noble/hashes": "^1.5.0",
"@privy-io/react-auth": "^1.88.4",
"@radix-ui/react-avatar": "^1.1.1",
Expand All @@ -27,11 +30,13 @@
"@tanstack/react-router": "^1.62.1",
"@xmtp/react-sdk": "^9.0.0",
"@xmtp/xmtp-js": "^13.0.0",
"@xstate/store": "^2.6.1",
"class-variance-authority": "^0.7.0",
"clsx": "^2.1.1",
"effect": "^3.10.19",
"ethers": "^6.13.3",
"@graphprotocol/graph-framework": "workspace:*",
"isomorphic-ws": "^5.0.0",
"lucide-react": "^0.441.0",
"react": "^18.3.1",
"react-dom": "^18.3.1",
Expand Down
24 changes: 24 additions & 0 deletions apps/events/src/components/automerge-app.tsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
import type { Doc } from '@/types';
import type { AutomergeUrl } from '@automerge/automerge-repo';
import { useDocument } from '@automerge/automerge-repo-react-hooks';
import { Button } from './ui/button';

export const AutomergeApp = ({ url }: { url: AutomergeUrl }) => {
const [doc, changeDoc] = useDocument<Doc>(url);

if (!doc) {
return null;
}

return (
<Button
onClick={() => {
changeDoc((d: Doc) => {
d.count = (d.count || 0) + 1;
});
}}
>
Count: {doc?.count ?? 0}
</Button>
);
};
183 changes: 183 additions & 0 deletions apps/events/src/lib/store.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,183 @@
import type { SpaceEvent, SpaceState, Updates } from '@graphprotocol/graph-framework';
import { createStore } from '@xstate/store';
import type { SpaceStorageEntry } from '../types';

interface StoreContext {
spaces: SpaceStorageEntry[];
updatesInFlight: string[];
encryptionPrivateKey: string;
automergeDocumentId: string;
}

const initialStoreContext: StoreContext = {
spaces: [],
updatesInFlight: [],
encryptionPrivateKey: '',
automergeDocumentId: '',
};

export const store = createStore({
context: initialStoreContext,
on: {
setAutomergeDocumentId: (context, event: { automergeDocumentId: string }) => {
return {
...context,
automergeDocumentId: event.automergeDocumentId,
};
},
setEncryptionPrivateKey: (context, event: { encryptionPrivateKey: string }) => {
return {
...context,
encryptionPrivateKey: event.encryptionPrivateKey,
};
},
reset: () => {
return initialStoreContext;
},
addUpdateInFlight: (context, event: { ephemeralId: string }) => {
return {
...context,
updatesInFlight: [...context.updatesInFlight, event.ephemeralId],
};
},
removeUpdateInFlight: (context, event: { ephemeralId: string }) => {
return {
...context,
updatesInFlight: context.updatesInFlight.filter((id) => id !== event.ephemeralId),
};
},
setSpaceFromList: (context, event: { spaceId: string }) => {
const existingSpace = context.spaces.find((s) => s.id === event.spaceId);

if (existingSpace) {
return {
...context,
spaces: context.spaces.map((existingSpace) => {
if (existingSpace.id === event.spaceId) {
const newSpace: SpaceStorageEntry = {
id: existingSpace.id,
events: existingSpace.events ?? [],
state: existingSpace.state,
keys: existingSpace.keys ?? [],
updates: existingSpace.updates ?? [],
lastUpdateClock: existingSpace.lastUpdateClock ?? -1,
automergeDocumentId: existingSpace.automergeDocumentId ?? '',
};
return newSpace;
}
return existingSpace;
}),
};
}
return {
...context,
spaces: [
...context.spaces,
{
id: event.spaceId,
events: [],
state: undefined,
keys: [],
updates: [],
lastUpdateClock: -1,
automergeDocumentId: '',
},
],
};
},
applyEvent: (context, event: { spaceId: string; event: SpaceEvent; state: SpaceState }) => {
return {
...context,
spaces: context.spaces.map((space) => {
if (space.id === event.spaceId) {
return { ...space, events: [...space.events, event.event], state: event.state };
}
return space;
}),
};
},
updateConfirmed: (context, event: { spaceId: string; clock: number }) => {
return {
...context,
spaces: context.spaces.map((space) => {
if (space.id === event.spaceId && space.lastUpdateClock + 1 === event.clock) {
return { ...space, lastUpdateClock: event.clock };
}
return space;
}),
};
},
applyUpdate: (context, event: { spaceId: string; firstUpdateClock: number; lastUpdateClock: number }) => {
return {
...context,
spaces: context.spaces.map((space) => {
if (space.id === event.spaceId) {
let lastUpdateClock = space.lastUpdateClock;
if (event.firstUpdateClock === space.lastUpdateClock + 1) {
lastUpdateClock = event.lastUpdateClock;
} else {
// TODO request missing updates from server
}

return { ...space, lastUpdateClock };
}
return space;
}),
};
},
setSpace: (
context,
event: {
spaceId: string;
updates?: Updates;
events: SpaceEvent[];
spaceState: SpaceState;
keys: {
id: string;
key: string;
}[];
},
) => {
const existingSpace = context.spaces.find((s) => s.id === event.spaceId);
if (!existingSpace) {
const newSpace: SpaceStorageEntry = {
id: event.spaceId,
events: event.events,
state: event.spaceState,
lastUpdateClock: -1,
keys: event.keys,
updates: [],
automergeDocumentId: '',
};
return {
...context,
spaces: [...context.spaces, newSpace],
};
}

return {
...context,
spaces: context.spaces.map((space) => {
if (space.id === event.spaceId) {
let lastUpdateClock = space.lastUpdateClock;

if (event.updates?.firstUpdateClock === lastUpdateClock + 1) {
lastUpdateClock = event.updates.lastUpdateClock;
} else {
// TODO request missing updates from server
}

return {
...space,
events: event.events,
state: event.spaceState,
lastUpdateClock,
keys: event.keys,
};
}
return space;
}),
};
},
},
});
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