Fix etherscan urls

[smk762]

Closes GLEECBTC/gleec-wallet#3098

• Updates url builder for https://etherscan-proxy-v2.komodo.earth/ to use token contract address (not swap contract address).
• Updates get_token_info to ensure mixed case contract address and avoid checksum fail errors

To test:

• Add a custom token for PLG20/BEP20/AVX20/ERC20, and use lowercase contract address.
  • Ensure the correct network is returned.
  • Ensure non-error response (confirmed address conversion to mixed case)
• Enter PLG20/BEP20/AVX20/ERC20 token wallet page with balance and prior transaction activity. History should be populated (There is some work pending in https://github.com/KomodoPlatform/etherscan-mm2-proxy/ so this may not be ready for a few hours)

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[Copilot]

Pull Request Overview

This PR fixes Etherscan URL generation issues by correcting the URL builder to use token contract addresses instead of swap contract addresses, and ensures mixed case contract addresses to avoid checksum validation errors.

Key changes:

• Updated Etherscan URL builder to use token contract address instead of swap contract address
• Modified get_token_info to handle mixed case contract addresses and prevent checksum failures
• Enhanced custom asset handling with proper parent-child relationship parsing

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
etherscan_transaction_history_strategy.dart	Updated URL construction to use token contract address and added validation
custom_asset_history_storage.dart	Added knownAssets parameter for proper asset parsing with parent relationships
activation_manager.dart	Updated custom token activation flow and improved asset refresh notification timing
asset_manager.dart	Passed known assets to custom asset history retrieval
coin_config_repository.dart	Implemented two-pass asset parsing strategy and added AssetParser dependency

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[Copilot]

This limitation could lead to inconsistent behavior when retrieving individual assets vs collections. Consider adding a warning log or throwing an exception when parent/child relationships are expected but not available in single asset retrieval.

[takenagain]

LGTM. Tested on Web and Linux.

I made the following follow-up changes:

• Removed the convertaddress call from the RPC library, since it is already being called elsewhere.
• Fixed parent->child relationships when loading from storage (a62b1c6 and 45fe71b)
• Fixed issues that were brought to light by the Linux build (2f6000c and db9c957)