InstructionLIVE

OpenBook V2 CancelOrder

Real-time decoded data for the CancelOrder instruction on the OpenBook V2 program. Every time this instruction is executed on Solana, you receive the full decoded payload with 5 accounts and 1 arguments in under 50ms.

Topicsolana.openbook_v2.cancel_order
5accounts
1signers
3writable
1arguments

Accounts

Decoded account addresses included in every CancelOrder message.

NameTypeSignerWritable
signerPublicKeyyes-
open_orders_accountPublicKey-yes
marketPublicKey--
bidsPublicKey-yes
asksPublicKey-yes

Arguments

Decoded instruction arguments included in every CancelOrder message.

NameType
order_idu128

Subscribe to CancelOrder

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.cancel_order","format":"JSON"}' \
  events.nln.clr3.org:443 \
  nln.stream.v1.StreamService/Subscribe

The solana.openbook_v2.cancel_order stream delivers decoded CancelOrder instruction data from the OpenBook V2 program (opnb2LAfJYbR...) on Solana. Each message includes 5 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.

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