289 implement eth get storage at

proxy/plugin/solana_rest_api.py

@@ -34,7 +34,7 @@
 import os
 from ..indexer.utils import get_trx_results, LogDB
 from ..indexer.sql_dict import SQLDict
-from proxy.environment import evm_loader_id, solana_cli, solana_url
+from proxy.environment import evm_loader_id, solana_cli, solana_url, neon_cli
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.DEBUG)
@@ -195,6 +195,17 @@ def getBlockBySlot(self, slot, full):
         }
         return ret
 
+    def eth_getStorageAt(self, account, position, block_identifier):
+        '''Retrieves storage data by given position
+        Currently supports only 'latest' block
+        '''
+        if block_identifier != "latest":
+            print(f"Block type '{block_identifier}' is not supported yet")
+            raise RuntimeError("Not supported block")
+        value = neon_cli().call('get-ether-storage-at', account, position)
+        print(f"eth_getStorageAt >> '{value}'")
+        return value
+
     def eth_getBlockByHash(self, trx_hash, full):
         """Returns information about a block by hash.
             trx_hash - Hash of a block.

proxy/test_eth_sendRawTransaction.py

@@ -428,6 +428,22 @@ def test_07_execute_long_transaction(self):
         print('times_to_calculate:', times_to_calculate)
         print('time_duration:', time_duration)
 
+    def test_get_storage_at(self):
+        print("\nhttps://github.com/neonlabsorg/proxy-model.py/issues/289")
+        right_nonce = proxy.eth.get_transaction_count(proxy.eth.default_account)
+        value_to_store = 452356
+        trx_store = self.storage_contract.functions.store(value_to_store).buildTransaction({'nonce': right_nonce})
+        print('trx_store:', trx_store)
+        trx_store_signed = proxy.eth.account.sign_transaction(trx_store, eth_account.key)
+        print('trx_store_signed:', trx_store_signed)
+        trx_store_hash = proxy.eth.send_raw_transaction(trx_store_signed.rawTransaction)
+        print('trx_store_hash:', trx_store_hash.hex())
+        trx_store_receipt = proxy.eth.wait_for_transaction_receipt(trx_store_hash)
+        print('trx_store_receipt:', trx_store_receipt)
+        value_received = proxy.eth.get_storage_at(self.storage_contract.address, 0, "latest")
+        print('eth_getStorageAt return:', value_received.hex())
+        self.assertEqual(int.from_bytes(value_received, byteorder='big'), value_to_store)
+
 
 if __name__ == '__main__':
     unittest.main()