Merge pull request #78 from skalenetwork/77-add-etherbase-support-to-…

…python-library

Add etherbase support to python library

python/src/skale_contracts/projects/__init__.py

@@ -1,12 +1,13 @@
 """Supported projects"""
 from .config_controller import ConfigControllerProject as ConfigController
 from .context import ContextProject as Context
+from .etherbase import EtherbaseProject as Etherbase
 from .paymaster import PaymasterProject as Paymaster
 from .ima import \
     MainnetImaProject as MainnetIma, \
     SchainImaProject as SchainIma
 from .skale_manager import SkaleManagerProject as SkaleManager
 from .skale_allocator import SkaleAllocatorProject as SkaleAllocator
 
-__all__ = ['ConfigController', 'Context', 'MainnetIma', 'Paymaster',
-           'SchainIma', 'SkaleAllocator', 'SkaleManager']
+__all__ = ['ConfigController', 'Context', 'Etherbase', 'MainnetIma',
+           'Paymaster', 'SchainIma', 'SkaleAllocator', 'SkaleManager']

python/src/skale_contracts/projects/etherbase.py

@@ -0,0 +1,56 @@
+"""Module connects etherbase project to the SKALE contracts library"""
+
+from __future__ import annotations
+from typing import TYPE_CHECKING
+from eth_utils.address import to_canonical_address
+
+from skale_contracts.constants import PREDEPLOYED_ALIAS
+from skale_contracts.instance import Instance
+from skale_contracts.project import Project
+
+if TYPE_CHECKING:
+    from eth_typing import Address, ChecksumAddress
+
+
+class EtherbaseInstance(Instance):
+    """Represents instance of etherbase"""
+
+    PREDEPLOYED: dict[str, Address] = {
+        name: to_canonical_address(address) for name, address in {
+            'Etherbase':
+                '0xd2bA3e0000000000000000000000000000000000'
+        }.items()}
+
+    def get_contract_address(
+            self,
+            name: str,
+            *args: str | Address | ChecksumAddress
+    ) -> Address:
+        if name in self.PREDEPLOYED:
+            return self.PREDEPLOYED[name]
+        raise RuntimeError(f"Can't get address of {name} contract")
+
+
+class EtherbaseProject(Project):
+    """Represents etherbase project"""
+
+    @staticmethod
+    def name() -> str:
+        return 'etherbase'
+
+    def get_instance(self, alias_or_address: str) -> Instance:
+        if alias_or_address == PREDEPLOYED_ALIAS:
+            return self.create_instance(
+                EtherbaseInstance.PREDEPLOYED['Etherbase']
+            )
+        return super().get_instance(alias_or_address)
+
+    @property
+    def github_repo(self) -> str:
+        return 'https://github.com/skalenetwork/etherbase/'
+
+    def create_instance(self, address: Address) -> Instance:
+        return EtherbaseInstance(self, address)
+
+    def get_abi_filename(self, version: str) -> str:
+        return f'etherbase-{version}-abi.json'