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Copy pathemulator.py
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899 lines (730 loc) · 23.5 KB
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""
The module provides simulation of import function.
"""
import bin_format
import utils
def get_generator():
"""A generator for symbolic variable generating.
Returns:
Generator: A generator.
"""
cur = 0
while True:
yield cur
cur += 1
class EosEmulator:
"""A emulator of library functions of EOS.IO blockchain platform.
"""
counter = get_generator()
def __init__(self):
pass
# Assert function
@classmethod
def assert_recover_key(cls, ctx, args):
# [TODO]
pass
@classmethod
def assert_sha256(cls, ctx, args):
# [TODO]
pass
@classmethod
def assert_sha1(cls, ctx, args):
# [TODO]
pass
@classmethod
def assert_sha512(cls, ctx, args):
# [TODO]
pass
@classmethod
def assert_ripemd160(cls, ctx, args):
# [TODO]
pass
@classmethod
def eosio_assert(cls, ctx, args):
expression = args[0]
ctx.solver.add(expression == 1)
@classmethod
def eosio_assert_message(cls, ctx, args):
cls.eosio_assert(cls, ctx, args)
@classmethod
def eosio_assert_code(cls, ctx, args):
cls.eosio_assert(cls, ctx, args)
@classmethod
def eosio_exit(cls, ctx, args):
ctx.solver.add(0 == 1) # add a false expression to pruning
@classmethod
def abort(cls, ctx, args):
cls.eosio_assert(cls, ctx, [0, 'abort()'])
# No effect function
@classmethod
def checktime(cls, ctx, args):
pass
@classmethod
def prints(cls, ctx, args):
pass
@classmethod
def prints_l(cls, ctx, args):
pass
@classmethod
def printi(cls, ctx, args):
pass
@classmethod
def printui(cls, ctx, args):
pass
@classmethod
def printi128(cls, ctx, args):
pass
@classmethod
def printui128(cls, ctx, args):
pass
@classmethod
def printsf(cls, ctx, args):
pass
@classmethod
def printdf(cls, ctx, args):
pass
@classmethod
def printqf(cls, ctx, args):
pass
@classmethod
def printn(cls, ctx, args):
pass
@classmethod
def printhex(cls, ctx, args):
pass
@classmethod
def set_resource_limits(cls, ctx, args):
pass
@classmethod
def set_blockchain_parameters_packed(cls, ctx, args):
pass
@classmethod
def set_privileged(cls, ctx, args):
pass
@classmethod
def preactivate_feature(cls, ctx, args):
pass
@classmethod
def is_feature_active(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'is_feature_active_{next(cls.counter)}')
@classmethod
def is_privileged(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'is_privileged_{next(cls.counter)}')
@classmethod
def transaction_size(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'transaction_size_{next(cls.counter)}')
@classmethod
def expiration(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'expiration_{next(cls.counter)}')
@classmethod
def tapos_block_num(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'tapos_block_num_{next(cls.counter)}')
@classmethod
def tapos_block_prefix(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'tapos_block_prefix_{next(cls.counter)}')
@classmethod
def get_permission_last_used(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'get_permission_last_used_{next(cls.counter)}')
@classmethod
def get_account_creation_time(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'get_account_creation_time_{next(cls.counter)}')
@classmethod
def current_time(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'current_time_{next(cls.counter)}')
@classmethod
def publication_time(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'publication_time_{next(cls.counter)}')
@classmethod
def is_feature_activated(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'is_feature_activated_{next(cls.counter)}')
@classmethod
def get_sender(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'get_sender_{next(cls.counter)}')
@classmethod
def action_data_size(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'action_data_size_{next(cls.counter)}')
@classmethod
def current_receiver(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'current_receiver_{next(cls.counter)}')
@classmethod
def has_auth(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'has_auth_{next(cls.counter)}')
@classmethod
def is_account(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'is_account_{next(cls.counter)}')
@classmethod
def cancel_deferred(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'cancel_deferred_{next(cls.counter)}')
@classmethod
def memcmp(cls, ctx, args):
# [TODO] side effect
return utils.gen_symbolic_value(bin_format.i32, f'memcmp_{next(cls.counter)}')
@classmethod
def set_proposed_producers(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'set_proposed_producers_{next(cls.counter)}')
@classmethod
def set_proposed_producers_ex(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'set_proposed_producers_ex_{next(cls.counter)}')
@classmethod
def get_blockchain_parameters_packed(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'get_blockchain_parameters_packed_{next(cls.counter)}')
@classmethod
def get_active_producers(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i64, f'get_active_producers_{next(cls.counter)}')
# Computation functions
@classmethod
def ashlti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def ashrti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def lshlti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def lshrti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def divti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def udivti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def modti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def umodti3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def multi3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def addtf3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def subtf3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def multf3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def divtf3(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def eqtf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def netf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def getf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def gttf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def lttf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def letf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def cmptf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def unordtf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def negtf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatsitf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatunsitf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatditf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatunditf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floattidf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatuntidf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def floatsidf(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def extendsftf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def extenddftf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixtfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixtfdi(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixtfsi(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixunstfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixunstfdi(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixunstfsi(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixsfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixdfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixunssfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def fixunsdfti(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def trunctfdf2(cls, ctx, args):
# if utils.is_all_real(args):
# return int(bin(args[0]) + bin(args[1])[2:], base=2)
# args = [utils.to_symbolic(arg, 64) for arg in args]
# z3.Concat(*args)
pass
@classmethod
def trunctfsf2(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def sha1(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def sha256(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def sha512(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def ripemd160(cls, ctx, args):
# [TODO] Implement
pass
# Data writing functions
@classmethod
def get_resource_limits(cls, ctx, args):
# [TODO]
pass
@classmethod
def read_action_data(cls, ctx, args):
# [TODO]
pass
@classmethod
def read_transaction(cls, ctx, args):
# [TODO]
pass
@classmethod
def get_action(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def get_context_free_data(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def memcpy(cls, ctx, args):
# [TODO] Implement
pass
@classmethod
def memmove(cls, ctx, args):
# [TODO]
pass
@classmethod
def memset(cls, ctx, args):
# [TODO]
pass
# Permission function
@classmethod
def check_transaction_authorization(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'check_transaction_authorization_{next(cls.counter)}')
@classmethod
def check_permission_authorization(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'check_permission_authorization_{next(cls.counter)}')
@classmethod
def require_auth(cls, ctx, args):
pass
@classmethod
def require_auth2(cls, ctx, args):
pass
# Other
@classmethod
def activate_feature(cls, ctx, args):
cls.eosio_assert(cls, ctx, [0])
@classmethod
def db_store_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_store_i64_{next(cls.counter)}')
@classmethod
def db_update_i64(cls, ctx, args):
pass
@classmethod
def db_remove_i64(cls, ctx, args):
pass
@classmethod
def db_get_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_get_i64_{next(cls.counter)}')
@classmethod
def db_next_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_next_i64_{next(cls.counter)}')
@classmethod
def db_previous_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_previous_i64_{next(cls.counter)}')
@classmethod
def db_find_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_find_i64_{next(cls.counter)}')
@classmethod
def db_lowerbound_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_lowerbound_i64_{next(cls.counter)}')
@classmethod
def db_upperbound_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_upperbound_i64_{next(cls.counter)}')
@classmethod
def db_end_i64(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'db_end_i64_{next(cls.counter)}')
@classmethod
def recover_key(cls, ctx, args):
return utils.gen_symbolic_value(bin_format.i32, f'recover_key_{next(cls.counter)}')
@classmethod
def require_recipient(cls, ctx, args):
pass
@classmethod
def send_inline(cls, ctx, args):
pass
@classmethod
def send_context_free_inline(cls, ctx, args):
pass
@classmethod
def send_deferred(cls, ctx, args):
pass
class EthereumEmulator:
"""A emulator of library functions of Ethereum Wasm blockchain platform.
"""
counter = get_generator()
def __init__(self):
pass
@classmethod
def useGas(cls, args):
pass
@classmethod
def getAddress(cls, args):
pass
@classmethod
def getExternalBalance(cls, args):
pass
@classmethod
def getBlockHash(cls, args):
pass
@classmethod
def call(cls, args):
pass
@classmethod
def callDataCopy(cls, args):
pass
@classmethod
def getCallDataSize(cls, args):
pass
@classmethod
def callCode(cls, args):
pass
@classmethod
def callDelegate(cls, args):
pass
@classmethod
def callStatic(cls, args):
pass
@classmethod
def storageStore(cls, args):
pass
@classmethod
def storageLoad(cls, args):
pass
@classmethod
def getCaller(cls, args):
pass
@classmethod
def getCallValue(cls, args):
pass
@classmethod
def codeCopy(cls, args):
pass
@classmethod
def getCodeSize(cls, args):
pass
@classmethod
def getBlockCoinbase(cls, args):
pass
@classmethod
def create(cls, args):
pass
@classmethod
def getBlockDifficulty(cls, args):
pass
@classmethod
def externalCodeCopy(cls, args):
pass
@classmethod
def getExternalCodeSize(cls, args):
pass
@classmethod
def getGasLeft(cls, args):
pass
@classmethod
def getBlockGasLimit(cls, args):
pass
@classmethod
def getTxGasPrice(cls, args):
pass
@classmethod
def log(cls, args):
pass
@classmethod
def getBlockNumber(cls, args):
pass
@classmethod
def getTxOrigin(cls, args):
pass
@classmethod
def finish(cls, args):
pass
@classmethod
def revert(cls, args):
pass
@classmethod
def getReturnDataSize(cls, args):
pass
@classmethod
def returnDataCopy(cls, args):
pass
@classmethod
def selfDestruct(cls, args):
pass
@classmethod
def getBlockTimestamp(cls, args):
pass
# The map of module-name to function.
function_map = {
'env': {
'assert_recover_key': EosEmulator.assert_recover_key,
'assert_sha256': EosEmulator.assert_sha256,
'assert_sha1': EosEmulator.assert_sha1,
'assert_sha512': EosEmulator.assert_sha512,
'assert_ripemd160': EosEmulator.assert_ripemd160,
'eosio_assert': EosEmulator.eosio_assert,
'eosio_assert_message': EosEmulator.eosio_assert_message,
'eosio_assert_code': EosEmulator.eosio_assert_code,
'eosio_exit': EosEmulator.eosio_exit,
'abort': EosEmulator.abort,
'checktime': EosEmulator.checktime,
'prints': EosEmulator.prints,
'prints_l': EosEmulator.prints_l,
'printi': EosEmulator.printi,
'printui': EosEmulator.printui,
'printi128': EosEmulator.printi128,
'printui128': EosEmulator.printui128,
'printsf': EosEmulator.printsf,
'printdf': EosEmulator.printdf,
'printqf': EosEmulator.printqf,
'printn': EosEmulator.printn,
'printhex': EosEmulator.printhex,
'set_resource_limits': EosEmulator.set_resource_limits,
'set_blockchain_parameters_packed': EosEmulator.set_blockchain_parameters_packed,
'set_privileged': EosEmulator.set_privileged,
'preactivate_feature': EosEmulator.preactivate_feature,
'is_feature_active': EosEmulator.is_feature_active,
'is_privileged': EosEmulator.is_privileged,
'transaction_size': EosEmulator.transaction_size,
'expiration': EosEmulator.expiration,
'tapos_block_num': EosEmulator.tapos_block_num,
'tapos_block_prefix': EosEmulator.tapos_block_prefix,
'get_permission_last_used': EosEmulator.get_permission_last_used,
'get_account_creation_time': EosEmulator.get_account_creation_time,
'current_time': EosEmulator.current_time,
'publication_time': EosEmulator.publication_time,
'is_feature_activated': EosEmulator.is_feature_activated,
'get_sender': EosEmulator.get_sender,
'action_data_size': EosEmulator.action_data_size,
'current_receiver': EosEmulator.current_receiver,
'has_auth': EosEmulator.has_auth,
'is_account': EosEmulator.is_account,
'cancel_deferred': EosEmulator.cancel_deferred,
'memcmp': EosEmulator.memcmp,
'set_proposed_producers': EosEmulator.set_proposed_producers,
'set_proposed_producers_ex': EosEmulator.set_proposed_producers_ex,
'get_blockchain_parameters_packed': EosEmulator.get_blockchain_parameters_packed,
'get_active_producers': EosEmulator.get_active_producers,
'ashlti3': EosEmulator.ashlti3,
'ashrti3': EosEmulator.ashrti3,
'lshlti3': EosEmulator.lshlti3,
'lshrti3': EosEmulator.lshrti3,
'divti3': EosEmulator.divti3,
'udivti3': EosEmulator.udivti3,
'modti3': EosEmulator.modti3,
'umodti3': EosEmulator.umodti3,
'multi3': EosEmulator.multi3,
'addtf3': EosEmulator.addtf3,
'subtf3': EosEmulator.subtf3,
'multf3': EosEmulator.multf3,
'divtf3': EosEmulator.divtf3,
'eqtf2': EosEmulator.eqtf2,
'netf2': EosEmulator.netf2,
'getf2': EosEmulator.getf2,
'gttf2': EosEmulator.gttf2,
'lttf2': EosEmulator.lttf2,
'letf2': EosEmulator.letf2,
'cmptf2': EosEmulator.cmptf2,
'unordtf2': EosEmulator.unordtf2,
'negtf2': EosEmulator.negtf2,
'floatsitf': EosEmulator.floatsitf,
'floatunsitf': EosEmulator.floatunsitf,
'floatditf': EosEmulator.floatditf,
'floatunditf': EosEmulator.floatunditf,
'floattidf': EosEmulator.floattidf,
'floatuntidf': EosEmulator.floatuntidf,
'floatsidf': EosEmulator.floatsidf,
'extendsftf2': EosEmulator.extendsftf2,
'extenddftf2': EosEmulator.extenddftf2,
'fixtfti': EosEmulator.fixtfti,
'fixtfdi': EosEmulator.fixtfdi,
'fixtfsi': EosEmulator.fixtfsi,
'fixunstfti': EosEmulator.fixunstfti,
'fixunstfdi': EosEmulator.fixunstfdi,
'fixunstfsi': EosEmulator.fixunstfsi,
'fixsfti': EosEmulator.fixsfti,
'fixdfti': EosEmulator.fixdfti,
'fixunssfti': EosEmulator.fixunssfti,
'fixunsdfti': EosEmulator.fixunsdfti,
'trunctfdf2': EosEmulator.trunctfdf2,
'trunctfsf2': EosEmulator.trunctfsf2,
'sha1': EosEmulator.sha1,
'sha256': EosEmulator.sha256,
'sha512': EosEmulator.sha512,
'ripemd160': EosEmulator.ripemd160,
'get_resource_limits': EosEmulator.get_resource_limits,
'read_action_data': EosEmulator.read_action_data,
'read_transaction': EosEmulator.read_transaction,
'get_action': EosEmulator.get_action,
'get_context_free_data': EosEmulator.get_context_free_data,
'memcpy': EosEmulator.memcpy,
'memmove': EosEmulator.memmove,
'memset': EosEmulator.memset,
'check_transaction_authorization': EosEmulator.check_transaction_authorization,
'check_permission_authorization': EosEmulator.check_permission_authorization,
'require_auth': EosEmulator.require_auth,
'require_auth2': EosEmulator.require_auth2,
'activate_feature': EosEmulator.activate_feature,
'db_store_i64': EosEmulator.db_store_i64,
'db_update_i64': EosEmulator.db_update_i64,
'db_remove_i64': EosEmulator.db_remove_i64,
'db_get_i64': EosEmulator.db_get_i64,
'db_next_i64': EosEmulator.db_next_i64,
'db_previous_i64': EosEmulator.db_previous_i64,
'db_find_i64': EosEmulator.db_find_i64,
'db_lowerbound_i64': EosEmulator.db_lowerbound_i64,
'db_upperbound_i64': EosEmulator.db_upperbound_i64,
'db_end_i64': EosEmulator.db_end_i64,
'recover_key': EosEmulator.recover_key,
'require_recipient': EosEmulator.require_recipient,
'send_inline': EosEmulator.send_inline,
'send_context_free_inline': EosEmulator.send_context_free_inline,
'send_deferred': EosEmulator.send_deferred
},
'ethereum': {
'useGas': EthereumEmulator.useGas,
'getAddress': EthereumEmulator.getAddress,
'getExternalBalance': EthereumEmulator.getExternalBalance,
'getBlockHash': EthereumEmulator.getBlockHash,
'call': EthereumEmulator.call,
'callDataCopy': EthereumEmulator.callDataCopy,
'getCallDataSize': EthereumEmulator.getCallDataSize,
'callCode': EthereumEmulator.callCode,
'callDelegate': EthereumEmulator.callDelegate,
'callStatic': EthereumEmulator.callStatic,
'storageStore': EthereumEmulator.storageStore,
'storageLoad': EthereumEmulator.storageLoad,
'getCaller': EthereumEmulator.getCaller,
'getCallValue': EthereumEmulator.getCallValue,
'codeCopy': EthereumEmulator.codeCopy,
'getCodeSize': EthereumEmulator.getCodeSize,
'getBlockCoinbase': EthereumEmulator.getBlockCoinbase,
'create': EthereumEmulator.create,
'getBlockDifficulty': EthereumEmulator.getBlockDifficulty,
'externalCodeCopy': EthereumEmulator.externalCodeCopy,
'getExternalCodeSize': EthereumEmulator.getExternalCodeSize,
'getGasLeft': EthereumEmulator.getGasLeft,
'getBlockGasLimit': EthereumEmulator.getBlockGasLimit,
'getTxGasPrice': EthereumEmulator.getTxGasPrice,
'log': EthereumEmulator.log,
'getBlockNumber': EthereumEmulator.getBlockNumber,
'getTxOrigin': EthereumEmulator.getTxOrigin,
'finish': EthereumEmulator.finish,
'revert': EthereumEmulator.revert,
'getReturnDataSize': EthereumEmulator.getReturnDataSize,
'returnDataCopy': EthereumEmulator.returnDataCopy,
'selfDestruct': EthereumEmulator.selfDestruct,
'getBlockTimestamp': EthereumEmulator.getBlockTimestamp
}
}