InstructionLIVE

OpenBook V2 PlaceOrder

Real-time decoded data for the PlaceOrder instruction on the OpenBook V2 program. Every time this instruction is executed on Solana, you receive the full decoded payload with 12 accounts and 1 arguments in under 50ms.

Topicsolana.openbook_v2.place_order
12accounts
2signers
7writable
1arguments

Accounts

Decoded account addresses included in every PlaceOrder message.

NameTypeSignerWritable
signerPublicKeyyes-
open_orders_accountPublicKey-yes
open_orders_adminPublicKeyyes-
user_token_accountPublicKey-yes
marketPublicKey-yes
bidsPublicKey-yes
asksPublicKey-yes
event_heapPublicKey-yes
market_vaultPublicKey-yes
oracle_aPublicKey--
oracle_bPublicKey--
token_programPublicKey--

Arguments

Decoded instruction arguments included in every PlaceOrder message.

NameType
argsstruct { side: enum(bid, ask), price_lots: i64, max_base_lots: i64, max_quote_lots_including_fees: i64, client_order_id: u64, order_type: enum(limit, immediateOrCancel, postOnly, market, postOnlySlide), expiry_timestamp: u64, self_trade_behavior: enum(decrementTake, cancelProvide, abortTransaction), limit: u8 }

Subscribe to PlaceOrder

Connect and start receiving decoded data in seconds.

grpcurl -plaintext \
  -H 'x-eventstream-policy: {"version":1,"allowed_programs":"all","allowed_topics":"all"}' \
  -d '{"topic":"solana.openbook_v2.place_order","format":"JSON"}' \
  events.nln.clr3.org:443 \
  nln.stream.v1.StreamService/Subscribe

The solana.openbook_v2.place_order stream delivers decoded PlaceOrder instruction data from the OpenBook V2 program (opnb2LAfJYbR...) on Solana. Each message includes 12 decoded account addresses and 1 typed arguments, delivered in under 50 milliseconds from on-chain confirmation. Available in both JSON and Protobuf formats via the NoLimitNodes gRPC streaming API.

Stream OpenBook V2 PlaceOrder data now

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