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rpc_console.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
bcosliteclientpy is a python client for FISCO BCOS2.0 (https://github.com/FISCO-BCOS/)
bcosliteclientpy is free software: you can redistribute it and/or modify it under the
terms of the MIT License as published by the Free Software Foundation. This project is
distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Thanks for
authors and contributors of eth-abi, eth-account, eth-hash，eth-keys, eth-typing, eth-utils,
rlp, eth-rlp , hexbytes ... and relative projects
@file: consensus_precompile.py
@function:
@author: yujiechen
@date: 2019-07
'''
from client.bcosclient import BcosClient
from client.bcoserror import ArgumentsError
from eth_utils import to_checksum_address
from client.common import common
class RPCConsole:
"""
console for RPC
"""
def __init__(self, cmd, params, contract_path):
self.func_prefix = "self.client."
self.cmd = cmd
self.params = params
self.contract_path = contract_path
RPCConsole.define_commands()
@staticmethod
def print_rpc_usage():
"""
print rpc usage information
"""
common.print_info("", "RPC commands")
for command in RPCConsole.functions["zero"]:
print(" ", "[{}]".format(command))
for command in RPCConsole.functions["one_int"]:
print(" ", "[{}] [number]".format(command))
for command in RPCConsole.functions["one_hash"]:
if command == "getCode":
continue
print(" ", "[{}] [hash] [contract_name]".format(command))
print(" ", ("[getCode] [contract_address]"))
print(" ", ("[getTransactionByBlockHashAndIndex] "
"[blockHash] [transactionIndex] [contract_name]"))
print(" ", ("[getTransactionByBlockNumberAndIndex] "
"[blockNumber] [transactionIndex] [contract_name]"))
print(" ", "[{}] [tx_count_limit/tx_gas_limit]".
format("getSystemConfigByKey"))
print(" ", "[{}] [blockNumber] True/False".
format("getBlockByNumber"))
print(" ", "[{}] [blockHash] True/False".
format("getBlockByHash"))
@staticmethod
def define_commands():
"""
define functions
"""
RPCConsole.functions = {}
# function with 0 param
RPCConsole.functions["zero"] = ["getNodeVersion", "getBlockNumber",
"getPbftView", "getSealerList",
"getObserverList",
"getConsensusStatus", "getSyncStatus",
"getPeers", "getGroupPeers", "getNodeIDList",
"getGroupList", "getPendingTxSize",
"getTotalTransactionCount",
"getPendingTransactions"]
# function with one param, and the param is int
RPCConsole.functions["one_int"] = ["getBlockHashByNumber"]
# function with one param, and the param is string
RPCConsole.functions["one_hash"] = ["getCode",
"getTransactionByHash",
"getTransactionReceipt"]
RPCConsole.functions["one_str"] = ["getSystemConfigByKey"]
RPCConsole.functions["two"] = ["getTransactionByBlockHashAndIndex",
"getTransactionByBlockNumberAndIndex"]
RPCConsole.functions["two_bool"] = ["getBlockByNumber", "getBlockByHash"]
RPCConsole.functions["parse_in"] = ["getTransactionByHash",
"getTransactionByBlockHashAndIndex",
"getTransactionByBlockNumberAndIndex"]
RPCConsole.functions["parse_out"] = ["getTransactionReceipt"]
RPCConsole.functions["human_friendly_output"] = ["getTotalTransactionCount",
"getPendingTxSize",
"getPbftView"]
@staticmethod
def get_all_cmd():
"""
get all cmd
"""
command_list = []
for key in RPCConsole.functions.keys():
if key == "parse_in" and key == "parse_output":
continue
for command in RPCConsole.functions[key]:
command_list.append(command)
return command_list
def parse_output(self, cmd, contract_name, result):
"""
parse the result
"""
if cmd in self.functions["parse_in"]:
decode_result = common.parse_input(result["input"],
contract_name,
self.contract_path)
common.print_info("input of transaction: {}", decode_result)
if cmd in self.functions["parse_out"]:
common.print_output_and_input(result["logs"], result["output"], result["input"],
contract_name, self.contract_path)
def get_func_name(self, cmd):
"""
get function name
"""
return self.func_prefix + cmd
def exec_cmd_with_two_bool_param(self, cmd, params):
"""
execute cmd with two params
"""
if cmd not in RPCConsole.functions["two_bool"]:
return
# check param
common.check_param_num(params, 1, False)
if len(params) > 2:
raise ArgumentsError("params must be no more than 2")
self.exec_command(cmd, params)
def exec_cmd_with_zero_param(self, cmd, params):
"""
execute cmd with zero param
"""
if cmd not in RPCConsole.functions["zero"]:
return
# check param
common.check_param_num(params, 0, True)
self.exec_command(cmd, params)
def exec_cmd_with_str_param(self, cmd, params):
"""
execute cmd with one star params
"""
if cmd not in RPCConsole.functions["one_str"]:
return
common.check_param_num(params, 1, True)
self.exec_command(cmd, params)
def exec_cmd_with_int_param(self, cmd, params):
"""
execute cmd with one param, and the param is a int
"""
if cmd not in RPCConsole.functions["one_int"]:
return
# check param
common.check_param_num(params, 1, True)
# check int range
number = common.check_int_range(params[0])
self.exec_command(cmd, [number])
def exec_cmd_with_hash_param(self, cmd, params):
"""
execute cmd with one hash param
"""
if cmd not in RPCConsole.functions["one_hash"]:
return
# check_param
common.check_param_num(params, 1, False)
# check contract address
if cmd == "getCode":
try:
if len(params) > 1:
raise ArgumentsError("{} must provide one param".format(cmd))
address = to_checksum_address(params[0])
self.exec_command(cmd, [address])
except Exception as e:
raise ArgumentsError("invalid address: {}, info: {}"
.format(params[0], e))
else:
if len(params) > 2:
raise ArgumentsError("{} must provide no more than one param".format(cmd))
# check hash
common.check_hash(params[0])
result = self.exec_command(cmd, [params[0]])
if len(params) < 2 or result is None:
return
self.parse_output(cmd, params[1], result)
def exec_cmd_with_two_param(self, cmd, params):
"""
execute command with two params:
"""
if cmd not in RPCConsole.functions["two"]:
return
# check param
common.check_param_num(params, 2, False)
if len(params) > 3:
raise ArgumentsError("{} : params must be no more than 3")
index = common.check_int_range(params[1])
result = None
# check param type
if cmd == "getTransactionByBlockHashAndIndex":
common.check_hash(params[0])
result = self.exec_command(cmd, [params[0], index])
if cmd == "getTransactionByBlockNumberAndIndex":
number = common.check_int_range(params[0])
result = self.exec_command(cmd, [number, index])
# decode input
if len(params) < 3 or result is None:
return
self.parse_output(cmd, params[2], result)
def convertHexToOct(self, cmd, json_str):
if cmd == "getTotalTransactionCount":
json_str["blockNumber"] = int(json_str["blockNumber"], 16)
json_str["failedTxSum"] = int(json_str["failedTxSum"], 16)
json_str["txSum"] = int(json_str["txSum"], 16)
elif cmd == "getPendingTxSize" or cmd == "getPbftView":
if isinstance(json_str, int):
return json_str
json_str = int(json_str, 16)
return json_str
def exec_command(self, cmd, params):
"""
exec_command
"""
self.client = BcosClient()
function_name = self.get_func_name(cmd)
# execute function
ret_json = eval(function_name)(*params)
common.print_info("INFO", self.cmd)
if cmd in RPCConsole.functions["human_friendly_output"]:
ret_json = self.convertHexToOct(cmd, ret_json)
common.print_result(ret_json)
return ret_json
def executeRpcCommand(self):
"""
execute RPC commands
"""
self.exec_cmd_with_zero_param(self.cmd, self.params)
self.exec_cmd_with_int_param(self.cmd, self.params)
self.exec_cmd_with_hash_param(self.cmd, self.params)
self.exec_cmd_with_two_param(self.cmd, self.params)
self.exec_cmd_with_str_param(self.cmd, self.params)
self.exec_cmd_with_two_bool_param(self.cmd, self.params)