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Simulate Transaction

Simulate transactions with standard checks via TransactionExecutionService/SimulateTransaction. Validates gas, signatures, and execution without committing state.

Service​

sui.rpc.v2.TransactionExecutionService

Parity​

Direct

This method has a direct mapping from the JSON-RPC method sui_dryRunTransactionBlock.

Request​

Parameters​

{
  "transaction": {
    "bcs": "..."
  }
}

Example (grpcurl)​

grpcurl -H "x-api-key: YOUR_API_KEY" \
  -d '{"transaction":{"bcs":"..."}}' \
  grpc.surflux.dev:443 \
  sui.rpc.v2.TransactionExecutionService/SimulateTransaction
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Response​

The response structure is defined by the sui/rpc/v2/transaction_execution_service.proto definition.

Response Fields​

FieldTypeDescription
transactionExecutedTransactionSee proto definition
command_outputsCommandResultSee proto definition
info

For full field definitions, please refer to the Sui Protobuf definitions.