> ## Documentation Index > Fetch the complete documentation index at: https://docs.kuru.io/llms.txt > Use this file to discover all available pages before exploring further. # Multi-State Orderbook > All four Monad consensus state orderbooks delivered in a single message. ## AsyncAPI ````yaml kuru-exchange/asyncapi.yaml monadDepth id: monadDepth title: Multi-State Orderbook description: All four Monad consensus state orderbooks delivered in a single message. servers: - id: exchange protocol: wss host: exchange.kuru.io bindings: [] variables: [] address: '{symbol}@monadDepth' parameters: - id: symbol jsonSchema: type: string description: Trading pair symbol in lowercase (e.g., `mon_usdc`, `ethusdc`) enum: - mon_usdc - ethusdc - btcusdc description: Trading pair symbol in lowercase (e.g., `mon_usdc`, `ethusdc`) type: string required: true deprecated: false bindings: [] operations: - &ref_2 id: receiveMonadDepth title: Receive monad depth description: Multi-state orderbook updates type: receive messages: - &ref_3 id: monadDepthUpdate payload: - name: Monad Multi-State Depth Update description: Orderbook update for all four Monad consensus states type: object properties: - name: e type: string description: Event type enumValues: - monadDepthUpdate required: true - name: E type: integer description: >- Block timestamp in milliseconds (T × 1000), sourced from the Monad block header required: true - name: T type: integer description: >- Block timestamp in Unix seconds, sourced from the Monad block header required: true - name: s type: string description: Symbol required: true - name: U type: integer description: Block number required: true - name: states type: object description: Orderbook data keyed by Monad consensus state required: true properties: - name: proposed type: object description: Bid/ask snapshot for a single consensus state required: false properties: - name: b type: array description: Bid levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: a type: array description: Ask levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: voted type: object description: Bid/ask snapshot for a single consensus state required: false properties: - name: b type: array description: Bid levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: a type: array description: Ask levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: finalized type: object description: Bid/ask snapshot for a single consensus state required: false properties: - name: b type: array description: Bid levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: a type: array description: Ask levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: committed type: object description: Bid/ask snapshot for a single consensus state required: false properties: - name: b type: array description: Bid levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false - name: a type: array description: Ask levels required: false properties: - name: item type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level required: false properties: - name: item type: string required: false headers: [] jsonPayloadSchema: type: object required: - e - E - T - s - U - states properties: e: type: string enum: - monadDepthUpdate description: Event type x-parser-schema-id: E: type: integer format: int64 description: >- Block timestamp in milliseconds (T × 1000), sourced from the Monad block header example: 1711000000000 x-parser-schema-id: T: type: integer format: int64 description: >- Block timestamp in Unix seconds, sourced from the Monad block header example: 1711000000 x-parser-schema-id: s: type: string description: Symbol example: MON_USDC x-parser-schema-id: U: type: integer format: int64 description: Block number example: 1234567 x-parser-schema-id: states: type: object description: Orderbook data keyed by Monad consensus state properties: proposed: &ref_1 type: object description: Bid/ask snapshot for a single consensus state properties: b: type: array description: Bid levels items: &ref_0 type: array description: >- `[price, quantity]` pair — quantity `"0"` means remove the level items: type: string x-parser-schema-id: minItems: 2 maxItems: 2 example: - '100.50' - '10.5' x-parser-schema-id: OrderbookLevel x-parser-schema-id: a: type: array description: Ask levels items: *ref_0 x-parser-schema-id: x-parser-schema-id: StateBook voted: *ref_1 finalized: *ref_1 committed: *ref_1 x-parser-schema-id: x-parser-schema-id: MonadDepthUpdate title: Monad Multi-State Depth Update description: Orderbook update for all four Monad consensus states example: |- { "e": "monadDepthUpdate", "E": 1711000000000, "T": 1711000000, "s": "MON_USDC", "U": 1234567, "states": { "proposed": { "b": [ [ "100.50", "10.5" ] ], "a": [ [ "100.51", "8.2" ] ] }, "voted": { "b": [ [ "100.49", "10.5" ] ], "a": [ [ "100.52", "8.2" ] ] }, "finalized": { "b": [ [ "100.48", "10.5" ] ], "a": [ [ "100.53", "8.2" ] ] }, "committed": { "b": [ [ "100.47", "10.5" ] ], "a": [ [ "100.54", "8.2" ] ] } } } bindings: [] extensions: - id: x-parser-unique-object-id value: monadDepthUpdate bindings: [] extensions: - id: x-parser-unique-object-id value: monadDepth sendOperations: - *ref_2 receiveOperations: [] sendMessages: - *ref_3 receiveMessages: [] extensions: - id: x-parser-unique-object-id value: monadDepth securitySchemes: [] ````