Module transaction 

Substrate transaction execution and extrinsic building

This module provides comprehensive transaction functionality including:

• Extrinsic building and submission
• Fee estimation
• Transaction signing
• Retry logic with exponential backoff
• Transaction confirmation tracking

Structs

BatchCall

Represents a single call in a batch transaction

ExtrinsicBuilder

Builder for constructing extrinsics

FeeConfig

Fee estimation configuration

RetryConfig

Retry configuration for transaction submission

TransactionExecutor

Transaction executor for building and submitting extrinsics

Enums

BatchMode

Batch transaction execution mode