[sirpy]

Description

Switch wallet to viem with fallback rpcs from chainlist use @goodwidget/core createviemfallbackclient

Summary by Sourcery

Migrate blockchain wallet operations from Web3 to viem with resilient RPC fallbacks while preserving transaction, KMS, and contract workflow compatibility.

New Features:

• Add viem-based public and wallet clients with configured RPC fallback and Chainlist RPC discovery for blockchain wallets.
• Support viem contract reads, transaction encoding, receipt handling, and event querying across wallet and staking workflows.

Bug Fixes:

• Preserve wallet transaction compatibility and nonce recovery while adapting to viem bigint values and receipt statuses.
• Improve transaction error normalization and handling for local and KMS-signed submissions.

Enhancements:

• Replace Web3 wallet and contract integrations with viem while retaining KMS signing support and wallet-facing receipt formats.
• Update wallet, staking, verification, and blockchain tests for viem APIs and add focused coverage for fallback clients and transaction behavior.

Build:

• Add viem and @goodwidget/core dependencies and update the lockfile.

Documentation:

• Document viem clients, RPC fallback behavior, transaction APIs, receipt formats, and focused wallet test execution.

Tests:

• Migrate blockchain tests from Web3 APIs to viem clients and contract interfaces.
• Add comprehensive viem wallet tests covering RPC configuration, encoding, balances, fee handling, nonce queues, local signing, KMS signing, and reverted transactions.

Chores:

• Apply related lint and formatting updates across the project.

[sourcery-ai]

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