Add EVM v2.0.0 SDK bindings

[dvgui]

• Update NttManager version to 2.0.0
• Update WormholeTransceiver version to 2.0.0
• Generate TypeScript ABI bindings for v2.0.0
• Update SDK to support v2.0.0 contract ABI

Summary by CodeRabbit

• New Features

  • Added support for NttManager and WormholeTransceiver v2.0.0 and updated visible contract version strings.
  • Added comprehensive TypeScript bindings and factories for v2.0.0 for improved type-safe contract interaction.
  • Added runtime feature-detection and descriptive guards for transceiver capabilities to prevent unsupported operations.

• Tests

  • Improved test initialization with a runtime RPC fallback for more robust network-based tests.

[coderabbitai]

📝 Walkthrough

Walkthrough

Bumps on-chain version constants to "2.0.0" and adds autogenerated v2.0.0 TypeScript ethers bindings, factories, and strong-typing foundations; also updates runtime bindings registry, test RPC fallback, and adds runtime feature-detection guards for transceiver methods.

Changes

Cohort / File(s)	Summary
Version Constants evm/src/NttManager/NttManager.sol, evm/src/Transceiver/WormholeTransceiver/WormholeTransceiver.sol	Updated public constant values NTT_MANAGER_VERSION and WORMHOLE_TRANSCEIVER_VERSION from previous versions to "2.0.0".
Bindings Registry & Public API evm/ts/src/bindings.ts	Added ["2.0.0", _2_0_0] to abiVersions, declared abiVersions as a const tuple, introduced internal AbiBindings type, adjusted Ntt*Bindings types to use AbiBindings[...], and changed loadAbiVersion(targetVersion: string) to return NttBindings.
Type Foundation (common) evm/ts/src/ethers-contracts/2_0_0/common.ts	Added dense, generic TypeScript types and utilities (TypedContractEvent, TypedContractMethod, TypedListener, Overrides types, factory helpers) to support strongly-typed autogenerated contract bindings.
NttManager bindings & factory evm/ts/src/ethers-contracts/2_0_0/NttManager.ts, evm/ts/src/ethers-contracts/2_0_0/factories/NttManager__factory.ts	New autogenerated, fully-typed TypeScript contract interface for NttManager (structs, functions, events, typed methods/filters) and a ContractFactory with ABI/bytecode, linking, deploy/connect/getDeployTransaction helpers.
WormholeTransceiver bindings & factory evm/ts/src/ethers-contracts/2_0_0/WormholeTransceiver.ts, evm/ts/src/ethers-contracts/2_0_0/factories/WormholeTransceiver__factory.ts	New autogenerated, fully-typed TypeScript contract interface for WormholeTransceiver (structs, encode/parse helpers, events, typed methods/filters) and a ContractFactory with ABI/bytecode, linking, deploy/connect/getDeployTransaction helpers.
v2.0.0 Index & Exports evm/ts/src/ethers-contracts/2_0_0/index.ts, evm/ts/src/ethers-contracts/2_0_0/factories/index.ts, evm/ts/src/ethers-contracts/index.ts	Added v2.0.0 index and factories exports; introduced public _2_0_0 namespace mapping to new factories.
Runtime feature guards (transceiver) evm/ts/src/ntt.ts	Added runtime ABI feature-detection for several transceiver capabilities: is*/set* methods now check ABI presence; unsupported queries return false and unsupported setters throw descriptive errors.
Tests (RPC fallback) evm/ts/__tests__/versions.test.ts	Added getWormholeInstance() helper implementing RPC fallback logic (default SDK RPC then hardcoded Sepolia DRPC) and updated tests to obtain wormhole instance at runtime.
Autogenerated bindings index evm/ts/src/ethers-contracts/2_0_0/index.ts	New top-level re-export module exposing v2.0.0 types and factories.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Poem

🐇 I hopped through bytes and version strings,
Two-dot-oh now fluffs my springs.
Bindings, factories, types so neat,
I twitch my nose at every feat.
A tiny thump — the release is sweet! 🍃

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add EVM v2.0.0 SDK bindings' directly and clearly describes the main change: introducing version 2.0.0 bindings for the EVM SDK.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch evm-v2-sdk

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