Add noarg tx helpers, bytes32 in decoder

chainlib/eth/contract.py

@@ -57,6 +57,10 @@ class ABIContractDecoder:
         return int(v, 16)
 
 
+    def bytes32(self, v):
+        return v
+
+
     def bool(self, v):
         return bool(self.uint256(v))
 

chainlib/eth/gas.py

@@ -47,6 +47,7 @@ class Gas(TxFactory):
         tx_raw_hex = add_0x(tx_raw.hex())
         tx_hash_hex = add_0x(keccak256_hex_to_hex(tx_raw_hex))
 
+        o = None
         if tx_format == TxFormat.JSONRPC:
             o = raw(tx_raw_hex)
         elif tx_format == TxFormat.RLP_SIGNED:

chainlib/eth/tx.py

@@ -26,6 +26,7 @@ from .constant import (
         MINIMUM_FEE_PRICE,
         ZERO_ADDRESS,
         )
+from .contract import ABIContractEncoder
 from chainlib.jsonrpc import jsonrpc_template
 
 logg = logging.getLogger().getChild(__name__)
@@ -272,6 +273,29 @@ class TxFactory:
         return tx
 
     
+    def transact_noarg(self, method, contract_address, sender_address, tx_format=TxFormat.JSONRPC):
+        enc = ABIContractEncoder()
+        enc.method(method)
+        data = enc.get()
+        tx = self.template(sender_address, contract_address, use_nonce=True)
+        tx = self.set_code(tx, data)
+        tx = self.finalize(tx, tx_format)
+        return tx
+
+
+    def call_noarg(self, method, contract_address, sender_address=ZERO_ADDRESS):
+        o = jsonrpc_template()
+        o['method'] = 'eth_call'
+        enc = ABIContractEncoder()
+        enc.method(method)
+        data = add_0x(enc.get())
+        tx = self.template(sender_address, contract_address)
+        tx = self.set_code(tx, data)
+        o['params'].append(self.normalize(tx))
+        o['params'].append('latest')
+        return o
+
+
 class Tx:
 
     # TODO: force tx type schema parser (whether expect hex or int etc)

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = chainlib
-version = 0.0.3rc2
+version = 0.0.3rc3
 description = Generic blockchain access library and tooling
 author = Louis Holbrook
 author_email = dev@holbrook.no