feat: Add generic contract tx/call encoder cli tool

chainlib/eth/cli/__init__.py

@@ -0,0 +1,4 @@
+from .arg import *
+from .config import Config
+from .rpc import Rpc
+from .wallet import Wallet

chainlib/eth/cli/arg.py

@@ -0,0 +1,9 @@
+# external imports
+from chainlib.cli import (
+        ArgumentParser,
+        argflag_std_read,
+        argflag_std_write,
+        argflag_std_base,
+        reset as argflag_reset,
+        Flag,        
+    )

chainlib/eth/cli/config.py

@@ -0,0 +1,33 @@
+# standard imports
+import os
+
+# external imports
+from chainlib.cli import Config as BaseConfig
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+data_dir = os.path.join(script_dir, '..')
+
+
+class Config(BaseConfig):
+    """Convenience constructor to set Ethereum defaults for the chainlib cli config object
+    """
+    default_base_config_dir = os.path.join(data_dir, 'data', 'config')
+    default_fee_limit = 21000
+
+    @classmethod
+    def from_args(cls, args, arg_flags=0x0f, env=os.environ, extra_args={}, base_config_dir=None, default_config_dir=None, user_config_dir=None, default_fee_limit=None, logger=None, load_callback=None):
+        super(Config, cls).override_defaults(base_dir=cls.default_base_config_dir)
+        if default_fee_limit == None:
+            default_fee_limit = cls.default_fee_limit
+        config = BaseConfig.from_args(args, arg_flags=arg_flags, env=env, extra_args=extra_args, base_config_dir=base_config_dir, default_config_dir=default_config_dir, user_config_dir=user_config_dir, default_fee_limit=default_fee_limit, logger=logger, load_callback=load_callback)
+
+        if not config.get('RPC_DIALECT'):
+            config.add('default', 'RPC_DIALECT', exists_ok=True)
+        elif config.get('RPC_DIALECT') not in [
+                'openethereum',
+                'default',
+                ]:
+            raise ValueError('unknown rpc dialect {}'.format(config.get('RPC_DIALECT'))) 
+
+        return config
+

chainlib/eth/cli/encode.py

@@ -0,0 +1,89 @@
+# standard imports
+import re
+import logging
+
+# external imports
+from chainlib.eth.contract import (
+        ABIContractType,
+        ABIContractEncoder,
+        )
+
+logg = logging.getLogger(__name__)
+
+
+class CLIEncoder(ABIContractEncoder):
+
+    __re_uint = r'^([uU])[int]*([0-9]+)?$'
+    __re_bytes = r'^([bB])[ytes]*([0-9]+)?$'
+    __re_string = r'^([sS])[tring]*$'
+    __translations = [
+            'to_uint',
+            'to_bytes',
+            'to_string',
+            ]
+
+    def __init__(self, signature=None):
+        super(CLIEncoder, self).__init__()
+        self.signature = signature
+        if signature != None:
+            self.method(signature)
+
+    def to_uint(self, typ):
+        s = None
+        a = None
+        m = re.match(self.__re_uint, typ)
+        if m == None:
+            return None
+
+        n = m.group(2)
+        if m.group(2) == None:
+            n = 256
+        s = 'UINT256'.format(m.group(2))
+        a = getattr(ABIContractType, s)
+        return (s, a)
+
+
+    def to_bytes(self, typ):
+        s = None
+        a = None
+        m = re.match(self.__re_bytes, typ)
+        if m == None:
+            return None
+        
+        n = m.group(2)
+        if n == None:
+            n = 32
+        s = 'BYTES{}'.format(n)
+        a = getattr(ABIContractType, s)
+        return (s, a)
+
+
+    def to_string(self, typ):
+        m = re.match(self.__re_string, typ)
+        if m == None:
+            return None
+        s = 'STRING'
+        a = getattr(ABIContractType, s)
+        return (s, a)
+
+
+    def translate_type(self, typ):
+        r = None
+        for tr in self.__translations:
+            r = getattr(self, tr)(typ)
+            if r != None:
+                break
+        if r == None:
+            raise ValueError('no translation for type {}'.format(typ))
+        logg.debug('type {} translated to {}'.format(typ, r[0]))
+        return r[1]
+
+
+    def add_from(self, arg):
+        logg.debug('arg {}'.format(arg))
+        (typ, val) = arg.split(':', maxsplit=1)
+        real_typ = self.translate_type(typ)
+        if self.signature != None:
+            self.typ(real_typ)
+        fn = getattr(self, real_typ.value)
+        fn(val)

chainlib/eth/cli/rpc.py

@@ -1,22 +1,8 @@
-# standard imports
-import os
-import logging
-
 # external imports
-from chainlib.cli import (
+from chainlib.cli import Rpc as BaseRpc
-        ArgumentParser,
+from chainlib.eth.connection import EthHTTPConnection
-        argflag_std_read,
-        argflag_std_write,
-        argflag_std_base,
-        Config as BaseConfig,
-        Wallet as BaseWallet,
-        Rpc as BaseRpc, Flag,
-    )
-from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
 
 # local imports
-from chainlib.eth.address import AddressChecksum
-from chainlib.eth.connection import EthHTTPConnection
 from chainlib.eth.gas import (
         OverrideGasOracle,
         RPCGasOracle,
@@ -26,20 +12,6 @@ from chainlib.eth.nonce import (
         RPCNonceOracle,
         )
 
-logg = logging.getLogger(__name__)
-
-script_dir = os.path.dirname(os.path.realpath(__file__))
-
-
-class Wallet(BaseWallet):
-    """Convenience constructor to set Ethereum defaults for chainlib cli Wallet object
-
-    :param checksummer: Address checksummer object
-    :type checksummer: Implementation of chainlib.eth.address.AddressChecksum
-    """
-    def __init__(self, checksummer=AddressChecksum):
-        super(Wallet, self).__init__(EIP155Signer, checksummer=checksummer)
-
 
 class Rpc(BaseRpc):
     """Convenience constructor to set Ethereum defaults for chainlib cli Rpc object
@@ -96,27 +68,3 @@ class Rpc(BaseRpc):
 
     def get_gas_oracle(self):
         return self.get_fee_oracle()
-
-
-class Config(BaseConfig):
-    """Convenience constructor to set Ethereum defaults for the chainlib cli config object
-    """
-    default_base_config_dir = os.path.join(script_dir, 'data', 'config')
-    default_fee_limit = 21000
-
-    @classmethod
-    def from_args(cls, args, arg_flags=0x0f, env=os.environ, extra_args={}, base_config_dir=None, default_config_dir=None, user_config_dir=None, default_fee_limit=None, logger=None, load_callback=None):
-        super(Config, cls).override_defaults(base_dir=cls.default_base_config_dir)
-        if default_fee_limit == None:
-            default_fee_limit = cls.default_fee_limit
-        config = BaseConfig.from_args(args, arg_flags=arg_flags, env=env, extra_args=extra_args, base_config_dir=base_config_dir, default_config_dir=default_config_dir, user_config_dir=user_config_dir, default_fee_limit=default_fee_limit, logger=logger, load_callback=load_callback)
-
-        if not config.get('RPC_DIALECT'):
-            config.add('default', 'RPC_DIALECT', exists_ok=True)
-        elif config.get('RPC_DIALECT') not in [
-                'openethereum',
-                'default',
-                ]:
-            raise ValueError('unknown rpc dialect {}'.format(config.get('RPC_DIALECT'))) 
-
-        return config

chainlib/eth/cli/wallet.py

@@ -0,0 +1,19 @@
+# external imports
+from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
+from chainlib.cli import Wallet as BaseWallet
+
+# local imports
+from chainlib.eth.address import AddressChecksum
+
+
+class Wallet(BaseWallet):
+    """Convenience constructor to set Ethereum defaults for chainlib cli Wallet object
+
+    :param checksummer: Address checksummer object
+    :type checksummer: Implementation of chainlib.eth.address.AddressChecksum
+    """
+    def __init__(self, checksummer=AddressChecksum):
+        super(Wallet, self).__init__(EIP155Signer, checksummer=checksummer)
+
+
+

chainlib/eth/runnable/encode.py

@@ -0,0 +1,152 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# standard imports
+import io
+import sys
+import os
+import json
+import argparse
+import logging
+import urllib
+import sha3
+
+# external imports
+import chainlib.eth.cli
+from chainlib.eth.cli.encode import CLIEncoder
+from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
+from crypto_dev_signer.keystore.dict import DictKeystore
+from hexathon import (
+        add_0x,
+        strip_0x,
+        )
+
+# local imports
+from chainlib.eth.constant import ZERO_ADDRESS
+from chainlib.eth.address import to_checksum
+from chainlib.eth.connection import EthHTTPConnection
+from chainlib.jsonrpc import (
+        JSONRPCRequest,
+        IntSequenceGenerator,
+        )
+from chainlib.eth.nonce import (
+        RPCNonceOracle,
+        OverrideNonceOracle,
+        )
+from chainlib.eth.gas import (
+        RPCGasOracle,
+        OverrideGasOracle,
+        )
+from chainlib.eth.tx import (
+        TxFactory,
+        TxFormat,
+        raw,
+        )
+from chainlib.error import SignerMissingException
+from chainlib.chain import ChainSpec
+from chainlib.eth.runnable.util import decode_for_puny_humans
+from chainlib.eth.jsonrpc import to_blockheight_param
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+script_dir = os.path.dirname(os.path.realpath(__file__)) 
+config_dir = os.path.join(script_dir, '..', 'data', 'config')
+
+arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC
+argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
+argparser.add_argument('--signature', type=str, help='Method signature to encode')
+argparser.add_argument('contract_args', type=str, nargs='*', help='arguments to encode')
+args = argparser.parse_args()
+extra_args = {
+    'signature': None,
+    'contract_args': None,
+        }
+config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_config_dir=config_dir)
+
+if not config.get('_EXEC_ADDRESS'):
+    argparser.error('exec address (-e) must be defined')
+
+block_all = args.ww
+block_last = args.w or block_all
+
+wallet = chainlib.eth.cli.Wallet(EIP155Signer)
+wallet.from_config(config)
+
+rpc = chainlib.eth.cli.Rpc(wallet=wallet)
+conn = rpc.connect_by_config(config)
+
+send = config.true('_RPC_SEND')
+
+chain_spec = None
+try:
+    chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
+except AttributeError:
+    pass
+
+
+def main():
+
+    signer_address = ZERO_ADDRESS
+    signer = None
+    try:
+        signer = rpc.get_signer()
+        signer_address = rpc.get_signer_address()
+    except SignerMissingException:
+        pass
+
+    code = '0x'
+    cli_encoder = CLIEncoder(signature=config.get('_SIGNATURE'))
+
+    for arg in config.get('_CONTRACT_ARGS'):
+        cli_encoder.add_from(arg)
+    
+    code += cli_encoder.get()
+
+    if not config.get('_SIGNATURE'):
+        print(strip_0x(code))
+        return
+
+    if signer == None:
+        c = TxFactory(chain_spec)
+        j = JSONRPCRequest(id_generator=rpc.id_generator)
+        o = j.template()
+        o['method'] = 'eth_call'
+        o['params'].append({
+                'to': exec_address,
+                'from': signer_address,
+                'value': '0x00',
+                'gas': add_0x(int.to_bytes(8000000, 8, byteorder='big').hex()), # TODO: better get of network gas limit
+                'gasPrice': '0x01',
+                'data': add_0x(code),
+                })
+        height = to_blockheight_param(config.get('_HEIGHT'))
+        o['params'].append(height)
+        o = j.finalize(o)
+        r = conn.do(r)
+        try:
+            print(strip_0x(r))
+            return
+        except ValueError:
+            sys.stderr.write('query returned an empty value ({})\n'.format(r))
+            sys.exit(1)
+
+    if chain_spec == None:
+        raise ValueError('chain spec must be specified')
+
+    c = TxFactory(chain_spec, signer=signer, gas_oracle=rpc.get_gas_oracle(), nonce_oracle=rpc.get_nonce_oracle())
+    tx = c.template(signer_address, config.get('_EXEC_ADDRESS'), use_nonce=True)
+    tx = c.set_code(tx, code)
+    tx_format = TxFormat.JSONRPC
+    if config.get('_RAW'):
+        tx_format = TxFormat.RLP_SIGNED
+    (tx_hash_hex, o) = c.finalize(tx, tx_format=tx_format)
+    if send:
+        r = conn.do(r)
+        print(r)
+    else:
+        if config.get('_RAW'):
+            o = strip_0x(o)
+        print(o)
+
+if __name__ == '__main__':
+    main()

chainlib/eth/runnable/gas.py

@@ -80,7 +80,7 @@ def main():
     if logg.isEnabledFor(logging.DEBUG):
         try:
             sender_balance = balance(signer_address, rpc.id_generator)
-            recipient_balance = balance(recipient, rpc.id_generator)
+            recipient_balance = balance(add_0x(recipient), rpc.id_generator)
             logg.debug('sender {} balance before: {}'.format(signer_address, sender_balance))
             logg.debug('recipient {} balance before: {}'.format(recipient, recipient_balance))
         except urllib.error.URLError:
@@ -94,7 +94,7 @@ def main():
             r = conn.wait(tx_hash_hex)
             if logg.isEnabledFor(logging.DEBUG):
                 sender_balance = balance(signer_address, rpc.id_generator)
-                recipient_balance = balance(recipient, rpc.id_generator)
+                recipient_balance = balance(add_0x(recipient), rpc.id_generator)
                 logg.debug('sender {} balance after: {}'.format(signer_address, sender_balance))
                 logg.debug('recipient {} balance after: {}'.format(recipient, recipient_balance))
             if r['status'] == 0:

chainlib/eth/runnable/raw.py

@@ -50,6 +50,7 @@ config_dir = os.path.join(script_dir, '..', 'data', 'config')
 
 arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC
 argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
+argparser.add_argument('--deploy', action='store_true', help='Deploy data as contract')
 argparser.add_positional('data', type=str, help='Transaction data')
 args = argparser.parse_args()
 config = chainlib.eth.cli.Config.from_args(args, arg_flags, default_config_dir=config_dir)
@@ -65,9 +66,6 @@ conn = rpc.connect_by_config(config)
 
 send = config.true('_RPC_SEND')
 
-if config.get('_EXEC_ADDRESS') != None:
-    send = False
-
 chain_spec = None
 try:
     chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
@@ -83,34 +81,37 @@ def main():
     except SignerMissingException:
         pass
 
-    if config.get('_EXEC_ADDRESS') != None:
+    if config.get('_EXEC_ADDRESS') != None or args.deploy:
-        exec_address = add_0x(to_checksum(config.get('_EXEC_ADDRESS')))
+        exec_address = None
-        if not args.u and exec_address != add_0x(exec_address):
+        if config.get('_EXEC_ADDRESS') != None:
-            raise ValueError('invalid checksum address')
+            exec_address = add_0x(to_checksum(config.get('_EXEC_ADDRESS')))
+        #if not args.u and exec_address != add_0x(exec_address):
+            if not args.u and exec_address != exec_address:
+                raise ValueError('invalid checksum address')
 
-        j = JSONRPCRequest(id_generator=rpc.id_generator)
+        if signer_address == None:
-        o = j.template()
+            j = JSONRPCRequest(id_generator=rpc.id_generator)
-        o['method'] = 'eth_call'
+            o = j.template()
-        o['params'].append({
+            o['method'] = 'eth_call'
-            'to': exec_address,
+            o['params'].append({
-            'from': signer_address,
+                'to': exec_address,
-            'value': '0x00',
+                'from': signer_address,
-            'gas': add_0x(int.to_bytes(8000000, 8, byteorder='big').hex()), # TODO: better get of network gas limit
+                'value': '0x00',
-            'gasPrice': '0x01',
+                'gas': add_0x(int.to_bytes(8000000, 8, byteorder='big').hex()), # TODO: better get of network gas limit
-            'data': add_0x(args.data),
+                'gasPrice': '0x01',
-            })
+                'data': add_0x(args.data),
-        height = to_blockheight_param(config.get('_HEIGHT'))
+                })
-        o['params'].append(height)
+            height = to_blockheight_param(config.get('_HEIGHT'))
-        o = j.finalize(o)
+            o['params'].append(height)
-        r = conn.do(o)
+            o = j.finalize(o)
-        try:
+            r = conn.do(o)
-            print(strip_0x(r))
+            try:
-        except ValueError:
+                print(strip_0x(r))
-            sys.stderr.write('query returned an empty value\n')
+            except ValueError:
-            sys.exit(1)
+                sys.stderr.write('query returned an empty value ({})\n'.format(r))
-        return
+                sys.exit(1)
 
-        if signer_address != None:
+        else:
             if chain_spec == None:
                 raise ValueError('chain spec must be specified')
             g = TxFactory(chain_spec, signer=rpc.get_signer(), gas_oracle=rpc.get_gas_oracle(), nonce_oracle=rpc.get_nonce_oracle())
@@ -124,8 +125,9 @@ def main():
                 r = conn.do(o)
                 print(r)
             else:
+                if config.get('_RAW'):
+                    o = strip_0x(o)
                 print(o)
-                print(tx_hash_hex)
 
     else:
         o = raw(args.data, id_generator=rpc.id_generator)

chainlib/eth/tx.py

@@ -167,7 +167,6 @@ def __unpack_raw(tx_raw_bytes, chain_id=1):
     s[32-len(d[8]):] = d[8]
     logg.debug('vb {}'.format(vb))
     sig = b''.join([r, s, bytes([vb])])
-    #so = KeyAPI.Signature(signature_bytes=sig)
 
     h = sha3.keccak_256()
     h.update(rlp_encode(d))

chainlib/eth/unittest/ethtester.py

@@ -26,7 +26,8 @@ from chainlib.connection import (
 from chainlib.eth.address import to_checksum_address
 from chainlib.chain import ChainSpec
 
-logg = logging.getLogger(__name__)
+#logg = logging.getLogger(__name__)
+logg = logging.getLogger()
 
 test_address = bytes.fromhex('Eb3907eCad74a0013c259D5874AE7f22DcBcC95C')
 
@@ -63,6 +64,7 @@ class EthTesterCase(unittest.TestCase):
         self.helper = eth_tester_instance
         self.backend = self.helper.backend
         self.rpc = TestRPCConnection(None, eth_tester_instance, self.signer)
+
         for a in self.keystore.list():
             self.accounts.append(add_0x(to_checksum_address(a)))
 
@@ -73,7 +75,6 @@ class EthTesterCase(unittest.TestCase):
         RPCConnection.register_constructor(ConnType.CUSTOM, rpc_with_tester, tag='signer')
         RPCConnection.register_location('custom', self.chain_spec, tag='default', exist_ok=True)
         RPCConnection.register_location('custom', self.chain_spec, tag='signer', exist_ok=True)
-
         
 
     def tearDown(self):

requirements.txt

@@ -1,4 +1,4 @@
-crypto-dev-signer>=0.4.15a4,<=0.4.15
+crypto-dev-signer>=0.4.15rc2,<=0.4.15
 pysha3==1.0.2
 hexathon~=0.0.1a8
 websocket-client==0.57.0

setup.cfg

@@ -32,6 +32,7 @@ packages =
 	chainlib.eth.runnable
 	chainlib.eth.pytest
 	chainlib.eth.unittest
+	chainlib.eth.cli
 
 [options.entry_points]
 console_scripts =
@@ -41,6 +42,7 @@ console_scripts =
 	eth-raw = chainlib.eth.runnable.raw:main
 	eth-get = chainlib.eth.runnable.get:main
 	eth-decode = chainlib.eth.runnable.decode:main
+	eth-encode = chainlib.eth.runnable.encode:main
 	eth-info = chainlib.eth.runnable.info:main
 	eth-nonce = chainlib.eth.runnable.count:main
 	eth = chainlib.eth.runnable.info:main