WIN-7747 | fixed Utils and KeyPair and added test cases for FLRP

[mohd-kashif]

TICKET: WIN-7747

[Copilot]

Pull Request Overview

This PR implements comprehensive support for Flare P-Chain (FLRP) functionality, including address validation, transaction/block ID validation, signature operations, and key pair management. The changes migrate from placeholder implementations to production-ready code with proper bech32 and CB58 encoding support.

• Adds proper bech32 and CB58 encoding/decoding utilities for Flare addresses and IDs
• Implements validation for addresses, transaction IDs, and block IDs
• Updates test suite with real test data and comprehensive test coverage
• Adds new ImportToC transaction type for cross-chain transfers

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
modules/sdk-core/src/account-lib/baseCoin/enum.ts	Adds ImportToC transaction type and updates comment to include Flare
modules/sdk-coin-flrp/test/unit/lib/utils.ts	Replaces placeholder tests with comprehensive validation tests using real addresses and IDs
modules/sdk-coin-flrp/test/unit/lib/keyPair.ts	New test file with comprehensive KeyPair functionality tests
modules/sdk-coin-flrp/test/unit/lib/importInPTxBuilder.ts	Skips failing test pending sourceChain method fix
modules/sdk-coin-flrp/test/unit/lib/importInCTxBuilder.ts	Skips failing test pending sourceChain method fix
modules/sdk-coin-flrp/test/resources/account.ts	New test data file with account fixtures for testing
modules/sdk-coin-flrp/src/lib/utils.ts	Implements CB58 encoding/decoding, bech32 address parsing, and ID validation
modules/sdk-coin-flrp/src/lib/keyPair.ts	Adds PrivateKey- format support and updates network identifiers
modules/sdk-coin-flrp/package.json	Adds bech32 and bs58 dependencies

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[nvjsr]

lgtm