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))