new(tests): EIP-7702 - Set EOA account code for one transaction (Devnet-1) (ethereum#621)

* feat(fw): Add type-4 transaction and authorization tuple type

* new(tests): Add EIP-7702 folder, first test

* tests: create contract

* new(tests): more 7702 tests

* new(tests): EIP-7702

* new(tests): EIP-7702

* typo

* fix(fw): minor refactor

* new(tests): parametrize sanity test with and without balance

* fix(tests): fixes

* fix(fw): nonce field in the auth tuple

* fix(tests): fix some of the tests

* fix(tests): test fixes and skips

* fix(test): skip

* fix(specs): output the authorization list to the fixture

* nit

* more tests

* fix(fw): State test type-4 fix

* fix(fw): Transaction type checks

* fix(fixtures): Fixture transaciton type-4 test

* fix(base_types): Storage methods

* fix(tests): storage method usage

* changelog

Author: marioevz

prague/eip7702_eoa_code_tx/__init__.py

@@ -0,0 +1,3 @@
+"""
+Cross-client EIP-7702 Tests
+"""

prague/eip7702_eoa_code_tx/spec.py

@@ -0,0 +1,29 @@
+"""
+Defines EIP-7702 specification constants and functions.
+"""
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class ReferenceSpec:
+    """
+    Defines the reference spec version and git path.
+    """
+
+    git_path: str
+    version: str
+
+
+ref_spec_7702 = ReferenceSpec("EIPS/eip-7702.md", "7357ff1f3f176aada6d350d6e42a292a3dec27f4")
+
+
+@dataclass(frozen=True)
+class Spec:
+    """
+    Parameters from the EIP-7702 specifications as defined at
+    https://eips.ethereum.org/EIPS/eip-7702
+    """
+
+    SET_CODE_TX_TYPE = 0x04
+    MAGIC = 0x05
+    PER_AUTH_BASE_COST = 2500