JAGADISH SUNIL PEDNEKAR issues

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                                            JAGADISH SUNIL PEDNEKAR

Add Signature Hash Annex Support (BIP-341)

## Description This PR implements support for the signature hash annex as defined in BIP-341 (Taproot). The annex feature allows for future extensions to the signature validation system by providing...

TODO : Implement Unified Address Object for Multi-Type Address Support

# Unified Address Object Implementation This PR introduces a new UnifiedAddress class that provides a unified way to handle all Bitcoin address types (P2PKH, P2SH, P2WPKH, P2WSH, P2TR) and enables...

TODO : Add Tapscript differentiation and validation

This PR adds script type differentiation to improve Tapscript support: - Added script type constants: SCRIPT_TYPE_LEGACY, SCRIPT_TYPE_SEGWIT_V0, SCRIPT_TYPE_TAPSCRIPT - Implemented validation to ensure OP_CHECKSIGADD is only used in Tapscript contexts...

Improve Type Checking, Proxy Implementation, and Documentation

This PR addresses several TODO items related to type checking, proxy implementation, and documentation: ## Type Checking Improvements - Added necessary type annotations and casting to proxy.py to ensure mypy...

Complete PSBT Workflow Implementation Including Multisig Support and Script Enhancements

This pull request introduces a complete suite of Python scripts that collectively implement an end-to-end Partially Signed Bitcoin Transaction (PSBT) workflow using a 2-of-3 multisig setup on Bitcoin Testnet. The...