Fix call from eth_abi.decode_abi to eth_abi.decode (#8)

Author: mcornaton

offchain-computing/Dockerfile

@@ -1,8 +1,8 @@
 FROM python:3.7-alpine3.10
 
 ### install needed python3 dependencies
-RUN apk add gcc musl-dev
-RUN pip3 install eth_abi
+RUN apk add --no-cache gcc musl-dev
+RUN pip3 install eth-abi==4.2.1
 
 COPY ./src /app
 

offchain-computing/src/app.py

@@ -43,7 +43,7 @@ def save_result(result):
     file (deterministic-output-path).
     """
     iexec_out = os.environ['IEXEC_OUT']
-    callback_data = eth_abi.encode_abi(['string'], [result]).hex()
+    callback_data = eth_abi.encode(['string'], [result]).hex()
     print('Callback is ready [data:{}, callback-data:{}]'.format(result, callback_data))
     # prepare callback to be sent to the smart-contract
     computed_file_content = {"callback-data": callback_data}