solidity 智能合约操作
合约编译
#!/usr/bin/env python
# coding: utf8
import json
import os
# Solc Compiler
from functools import reduce
SOLC = "solc"
BASE_PATH = os.path.dirname(os.path.abspath(__file__))
src_dir = os.path.join(BASE_PATH, "contracts")
dst_dir = os.path.join(BASE_PATH, "build")
# dst_tmp = os.path.join(BASE_PATH, "build/contracts")
bin_dir = os.path.join(BASE_PATH, "build/bin")
abi_dir = os.path.join(BASE_PATH, "build/abi")
ast_dir = os.path.join(BASE_PATH, "build/ast")
src_entry = os.path.join(src_dir, "main.sol")
build_target = os.path.join(BASE_PATH, "build/contracts.json")
def rmdir(path):
for root, dirs, files in os.walk(path, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
os.rmdir(os.path.join(root, name))
os.rmdir(path)
def diff_path():
if not os.path.exists(dst_dir):
os.mkdir(dst_dir)
# if not os.path.exists(dst_tmp):
# os.mkdir(dst_tmp)
if not os.path.exists(bin_dir):
os.mkdir(bin_dir)
if not os.path.exists(abi_dir):
os.mkdir(abi_dir)
if not os.path.exists(ast_dir):
os.mkdir(ast_dir)
assert (os.path.exists(src_dir) and os.path.isdir(src_dir))
assert (os.path.exists(dst_dir) and os.path.isdir(dst_dir))
# assert (os.path.exists(dst_tmp) and os.path.isdir(dst_tmp))
assert (os.path.exists(bin_dir) and os.path.isdir(bin_dir))
assert (os.path.exists(abi_dir) and os.path.isdir(abi_dir))
assert (os.path.exists(ast_dir) and os.path.isdir(ast_dir))
# src_paths = map(lambda root, dirs, files: root.replace(src_dir, ""), os.walk(src_dir))
# dst_paths = map(lambda root, dirs, files: root.replace(dst_tmp, ""), os.walk(dst_tmp))
# _paths = filter(lambda p: p not in src_paths, dst_paths)
# paths = map(lambda p: os.path.join(dst_tmp, p[1:] if p.startswith("/") else p), _paths)
# map(lambda p: rmdir(p), paths)
# _paths = filter(lambda p: p not in dst_paths, src_paths)
# paths = map(lambda p: os.path.join(dst_tmp, p[1:] if p.startswith("/") else p), _paths)
# map(lambda p: os.mkdir(p), paths)
def clean_dst_path():
if os.path.exists(dst_dir):
rmdir(dst_dir)
os.mkdir(dst_dir)
def find_compilers():
paths = os.environ["PATH"].split(":")
solc = [p for p in paths if os.path.exists(os.path.join(p, "solc")) and os.path.isfile(os.path.join(p, "solc"))]
serpent = [p for p in paths if
os.path.exists(os.path.join(p, "serpent")) and os.path.isfile(os.path.join(p, "serpent"))]
lllc = [p for p in paths if os.path.exists(os.path.join(p, "lllc")) and os.path.isfile(os.path.join(p, "lllc"))]
result = []
if len(solc) > 0:
result.append("Solidity")
if len(serpent) > 0:
result.append("Serpent")
if len(lllc) > 0:
result.append("LLL")
return result
def complie_soldity():
"""
solc --optimize --bin -o ./build/bin contract.sol
solc --optimize --ast -o ./build/ast contract.sol
solc --optimize --abi -o ./build contract.sol
"""
assert (os.path.exists(src_entry) and os.path.isfile(src_entry))
commands = [
[SOLC, "--optimize", "--bin", "--overwrite", "-o", os.path.relpath(bin_dir), os.path.relpath(src_entry)],
[SOLC, "--optimize", "--ast", "--overwrite", "-o", os.path.relpath(
ast_dir), os.path.relpath(src_entry)],
[SOLC, "--optimize", "--abi", "--overwrite", "-o", os.path.relpath(abi_dir), os.path.relpath(src_entry)]
]
print("======================Complie Solidity Language=========================")
for cmd in commands:
command = " ".join(cmd)
print(command)
os.system(command)
# os.system("cp %s/* %s" % (bin_dir, dst_dir))
# result = map(lambda cmd: os.system(" ".join(cmd)), commands )
# print(result)
def restruct():
contract = {}
bin_files = [os.path.join(root, f) for root, dirs, files in os.walk(bin_dir) for f in files]
abi_files = [os.path.join(root, f) for root, dirs, files in os.walk(abi_dir) for f in files]
ast_files = [os.path.join(root, f) for root, dirs, files in os.walk(ast_dir) for f in files]
def path_handle(data, filepath):
_, filename = os.path.split(filepath)
assert (filename.endswith(".bin") or filename.endswith(".abi"))
key = ""
if filename.endswith(".bin"):
key = "code"
elif filename.endswith(".abi"):
key = "interface"
else:
pass
object_name = filename[:-4]
_tmp = object_name.split(":")
if len(_tmp) > 1:
object_name = _tmp[-1]
if object_name not in data or type(data[object_name]) != dict:
data[object_name] = {}
if key not in data[object_name]:
res = open(filepath, "rb").read()
if key == "interface":
open(os.path.join(abi_dir, object_name + ".abi"), "wb").write(res)
data[object_name][key] = json.loads(res)
elif key == "code":
res = "" + res.decode("utf-8")
data[object_name][key] = res
else:
data[object_name][key] = res
return data
data = reduce(path_handle, abi_files, reduce(path_handle, bin_files, {}))
print("======================Contract=========================")
output = json.dumps(data)
open(build_target, "w").write(output)
def usage():
message = """
$ python solidity.py -src ./src -entry main.sol -out ./build -target contract.json
-src solidity source dir
-entry source entry file
-out output dir
-target solidity bytecode and interface file (JSON Format)
--help show this help text
"""
print(message)
def main():
compilers = find_compilers()
print("====================Compilers====================")
print(compilers)
assert ("Solidity" in compilers)
clean_dst_path()
diff_path()
complie_soldity()
restruct()
os.system("ls -lah build/")
if __name__ == '__main__':
main()
合约部署
from __future__ import unicode_literals
import json
import sys
from time import sleep, time
from web3 import Web3, HTTPProvider
contracts_path = "build/contracts.json"
deploy_address_path = "deploy_address.json"
contracts_address_path = "contracts_address.json"
def check_deploy():
contracts_address = json.loads(open(contracts_path).read() or "{}")
deploy_address = json.loads(open(deploy_address_path).read() or "{}")
for name, deploy_addr in list(deploy_address.items()):
if name == "version":
break
web3 = Web3(HTTPProvider('http://106.15.40.225:8545'))
web3.eth.defaultAccount = b'0x8c0f94d8a7974aa60ebf4e9a9e742da29dcf7590'
_count = 0
deploy_receipt = None
while 1:
sleep(2)
deploy_receipt = web3.eth.getTransactionReceipt(deploy_addr)
if deploy_receipt:
print("{0} 部署成功".format(name))
print(deploy_receipt, "\n\n")
break
if _count > 10:
break
_count += 1
if deploy_receipt:
contracts_address[name]["contract_address"] = deploy_receipt["contractAddress"]
print("检查成功\n\n")
contracts_address["version"] = deploy_address["version"]
open(contracts_address_path, "w").write(json.dumps(contracts_address))
def deploy():
contracts = json.load(open(contracts_path)) or {}
_data = {}
for name, contract in contracts.items():
_abi = contract["interface"]
_code = contract["code"]
web3 = Web3(HTTPProvider('http://106.15.40.225:8545'))
web3.eth.defaultAccount = b'0x8c0f94d8a7974aa60ebf4e9a9e742da29dcf7590'
_Contract = web3.eth.contract(abi=_abi, bytecode=_code)
print("start deploy {0}".format(name))
deploy_txn = _Contract.deploy(
# transaction={
# 'from': web3.eth.defaultAccount,
# 'value': 12345,
# },
# args=('DGD', 18)
)
print("{0} address: {1}\n\n".format(name, deploy_txn))
_data[name] = deploy_txn
else:
print("部署成功")
_data["version"] = str(time())
open(deploy_address_path, "w").write(json.dumps(_data))
if __name__ == '__main__':
if len(sys.argv) == 1:
print(
"""
python solidity_deploy.py deploy #部署合约
python solidity_deploy.py check #检查合约是否部署成功
"""
)
if len(sys.argv) > 1:
_argv = sys.argv[1]
if _argv == "deploy":
deploy()
if _argv == "check":
check_deploy()
合约调用
import web3.personal as wp
from web3 import Web3, HTTPProvider
web3 = Web3(HTTPProvider('http://127.0.0.1:8545'))
web3.eth.defaultAccount = b'account address 0x336495440ce8dd55029bd394f'
print("unlockAccount")
p = wp.Personal(web3)
print(p.unlockAccount("account address", "account passwd"))
print("unlockAccount ok")
_BYTECODE="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"
_ABI=json.loads("""
[
{
"constant": true,
"inputs": [
{
"name": "_dna",
"type": "string"
}
],
"name": "getDNA",
"outputs": [
{
"name": "_type_",
"type": "string"
},
{
"name": "_version",
"type": "string"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "_dna",
"type": "string"
},
{
"name": "_type_",
"type": "string"
},
{
"name": "_version",
"type": "string"
}
],
"name": "addDNA",
"outputs": [
{
"name": "",
"type": "bool"
},
{
"name": "",
"type": "string"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
]
""")
MathContract = web3.eth.contract(
abi=_ABI,
# bytecode=_BYTECODE,
)
print("isConnected:", web3.isConnected())
deploy_receipt = web3.eth.getTransactionReceipt(b"0xb2e contract deploy tx address")
print(deploy_receipt)
assert deploy_receipt is not None
# math_contract = MathContract(address=deploy_receipt["contractAddress"])
# math_contract = MathContract(address="0xec7c803dcc6e917c468139037513b9281574b395")
# 发送一个tx到区块链上
# print(math_contract.transact().addDNA(_a, _a, _a))
# 发送一个tx到本地执行,不会写入到区块链上
# print(math_contract.call().addDNA(_a, _a, _a))
# print(math_contract.call().getDNA(_a))
作者:百里求一
出处:http://www.cnblogs.com/bergus/
我的语雀: https://www.yuque.com/barry.bai
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