feat: update order utils to v2

[ibruno]

Summary by cubic

Upgrade py_order_utils to Order V2 with EIP‑712 domain version "2" and a new order schema. Updates signatures/hashes and CI (Ubuntu 24.04 with actions/checkout@v6 and actions/setup-python@v6).

• New Features

  • EIP‑712 domain version "2".
  • V2 fields: millisecond timestamp (auto-filled), metadata/builder as bytes32 defaulting to ZERO_BYTES32. Removed taker, nonce, feeRateBps; expiration moved to SignedOrder.expiration.
  • Updated abi/Exchange.json, test addresses, and expected struct hashes/signatures.
  • Version bumps: package 0.3.6, kuest-py-eip712-structs 0.0.4.

• Migration

  • Do not pass taker, nonce, feeRateBps, or expiration in OrderData. Set timestamp (ms) or let the builder auto-fill; metadata and builder are optional.
  • Read expiration from SignedOrder.expiration. Verify EIP‑712 with domain version "2" and the new struct; expect new hashes/signatures.

^{Written for commit 55b10a2. Summary will update on new commits. Review in cubic}

[cubic-dev-ai]

No issues found across 7 files

_{Re-trigger cubic}

[cubic-dev-ai]

1 issue found across 2 files (changes from recent commits).

Prompt for AI agents (unresolved issues)

Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.


<file name="requirements.txt">

<violation number="1" location="requirements.txt:3">
P0: Dependency `kuest-py-eip712-structs==0.0.4` does not appear to be published on PyPI, which will cause `pip install` to fail with a version-not-found error.</violation>
</file>

<sub>Reply with feedback, questions, or to request a fix.

Re-trigger cubic</sub>

[cubic-dev-ai]

P0: Dependency kuest-py-eip712-structs==0.0.4 does not appear to be published on PyPI, which will cause pip install to fail with a version-not-found error.

Prompt for AI agents

Check if this issue is valid — if so, understand the root cause and fix it. At requirements.txt, line 3:

<comment>Dependency `kuest-py-eip712-structs==0.0.4` does not appear to be published on PyPI, which will cause `pip install` to fail with a version-not-found error.</comment>

<file context>
@@ -1,4 +1,4 @@
 eth-account===0.13.0
 eth-utils===4.1.1
-kuest-py-eip712-structs==0.0.3
+kuest-py-eip712-structs==0.0.4
 pytest==8.2.2
</file context>