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以太坊搭建联盟链详细教程
阅读量:5867 次
发布时间:2019-06-19

本文共 21459 字,大约阅读时间需要 71 分钟。

虫洞社区签约作者介绍

风逝 区块链 云旗天下

安装以太坊geth客户端

需要先安装go环境
安装教程

下载以太坊源码

github.com/ethereum/go-ethereum

进入 go-ethereum 目录

cd go-ethereum

make geth
然后执行make all, 顺便安装一下其他一些命令。

创建组织

在桌面创建两个文件夹,a,b 两个文件夹,代表两个组织
在两个文件夹内分别创建两个文件,genesis.json
文件内容

{

"config": {
"chainId": 15,
"homesteadBlock": 0,
"eip155Block": 0,
"eip158Block": 0
},
"coinbase" : "0x0000000000000000000000000000000000000000",
"difficulty" : "0x40000",
"extraData" : "",
"gasLimit" : "0xffffffff",
"nonce" : "0x0000000000000042",
"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
"timestamp" : "0x00",
"alloc": { }
}
创建创世区块
进入a文件夹,执行命令
$ geth --datadir ./data-init1/ init genesis.json
如果不在a 文件夹内,genesis.json 指定其相应的路径也可.
data-init1 目录专门用来存放节点数据,执行完会发现在该目录多出两个目录,一个为geth,一个为keystore,其中geth里面存放数据相关信息,keystore 里面存放加密过的的私钥文件,执行完后打印日志如下:

INFO [09-06|18:01:44.713] Maximum peer count ETH=25 LES=0 total=25

INFO [09-06|18:01:44.726] Allocated cache and file handles database=/Users/qianjianeng/Desktop/a/data-init1/geth/chaindata cache=16 handles=16
INFO [09-06|18:01:44.732] Writing custom genesis block
INFO [09-06|18:01:44.732] Persisted trie from memory database nodes=0 size=0.00B time=187.096µs gcnodes=0 gcsize=0.00B gctime=0s livenodes=1 livesize=0.00B
INFO [09-06|18:01:44.733] Successfully wrote genesis state database=chaindata hash=a0e580…a5e82e
INFO [09-06|18:01:44.733] Allocated cache and file handles database=/Users/qianjianeng/Desktop/a/data-init1/geth/lightchaindata cache=16 handles=16
INFO [09-06|18:01:44.736] Writing custom genesis block
INFO [09-06|18:01:44.736] Persisted trie from memory database nodes=0 size=0.00B time=2.156µs gcnodes=0 gcsize=0.00B gctime=0s livenodes=1 livesize=0.00B
INFO [09-06|18:01:44.737] Successfully wrote genesis state database=lightchaindata hash=a0e580…a5e82e
进入b 目录,执行相同命令
$ geth --datadir ./data-init2/ init genesis.json

启动控制台

启动 a 组织
进入到 a 目录
$ geth --datadir ./data-init1/ --networkid 22 --nodiscover console

networkid : 1-4系统内部使用 大于5即可

nodiscover: 此参数确保geth不去寻找peers节点,主要是为了控制联盟链接入的节点.
这里我们需要注意的是在启动第一个节点时并没有指定port参数,因此此处采用了默认的port,
也就是30303。以下为执行时打印的日志,并进入控制台。通过日志我们也可以发现端口为
30303。

以下是部分日志

INFO [09-06|18:16:44.901] Regenerated local transaction journal transactions=0 accounts=0

INFO [09-06|18:16:44.903] Starting P2P networking
INFO [09-06|18:16:44.906] RLPx listener up self="enode://251a655c56c514f5c4f81f2d08916622c0fff5f0b906ee82be0d976b255a7987c2743195f857b85d5d948c37a172ef365ad426193b939501a420b12ae8393ddc@[::]:30303?discport=0"
INFO [09-06|18:16:44.911] IPC endpoint opened url=/Users/qianjianeng/Desktop/a/data-init1/geth.ipc
INFO [09-06|18:16:44.984] Mapped network port proto=tcp extport=30303 intport=30303 interface=NAT-PMP(192.168.31.1)
Welcome to the Geth JavaScript console!

instance: Geth/v1.8.12-stable/darwin-amd64/go1.10.3

modules: admin:1.0 debug:1.0 eth:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 txpool:1.0 web3:1.0
如果出现 Welcome to the Geth JavaScript console!, 则说明网络启动成功

新开一个终端,进入b目录,启动 b 组织

geth --datadir ./data-init2/ --port 30306 --networkid 22 --nodiscover console
注意,同一台电脑,a 组织已经占用30303端口,所以 b 需要换一个端口

到这里,两个组织网络都已经启动成功

###geth网络启动参数介绍

--nodiscover
使用此选项可确保未手动添加您的人员无法发现您的节点。否则,如果您的节点具有相同的创世纪文件和网络ID,则可能无意中将您的节点添加到陌生人的区块链中。
--maxpeers 0
如果您不希望任何其他人连接到您的测试链,请使用maxpeers 0。或者,如果您确切知道要连接到节点的对等端数,则可以调整此数字。
--rpc
这将在您的节点上启用RPC接口。这通常在Geth中默认启用。
--rpcapi "db,eth,net,web3"
这决定了允许通过RPC访问哪些API。默认情况下,Geth通过RPC启用web3接口。
重要提示:请注意,通过RPC / IPC接口提供API将使每个人都可以访问可以访问此接口的API(例如dapp)。请注意您启用的API。默认情况下,geth通过IPC接口启用所有API,并通过RPC接口启用db,eth,net和web3 API。
--rpcport "8080"
将8000更改为网络上打开的任何端口。geth的默认值是8080。
--rpccorsdomain ""
这决定了哪些URL可以连接到您的节点以执行RPC客户端任务。要非常小心,并键入一个特定的URL而不是通配符(*),它允许任何URL连接到您的RP C实例。
--datadir "/home/TestChain1"
这是您的私人链数据将存储在的数据目录中(在nubits。下选择一个与您的公共以太坊链文件夹分开的位置)。
--port "30303"
这是“网络侦听端口”,您将使用它手动连接其他对等端。
--identity "TestnetMainNode"
这将为您的节点设置一个标识,以便在对等列表中更容易识别它。以下是这些身份如何在网络上显示的示例。

控制台操作

进入以太坊 Javascript Console 后,就可以使用里面的内置对象做一些操作,这些内置对象提供的功能很丰富,比如查看区块和交易、创建账户、挖矿、发送交易、部署智能合约等。

常用命令有:

personal.newAccount():创建账户;

personal.unlockAccount():解锁账户;
eth.accounts:枚举系统中的账户;
eth.getBalance():查看账户余额,返回值的单位是 Wei(Wei 是以太坊中最小货币面额单位,类似比特币中的聪,1 ether = 10^18 Wei);
eth.blockNumber:列出区块总数;
eth.getTransaction():获取交易;
eth.getBlock():获取区块;
miner.start():开始挖矿;
miner.stop():停止挖矿;
eth.coinbase:挖矿奖励的账户
web3.fromWei():Wei 换算成以太币;
web3.toWei():以太币换算成 Wei;
txpool.status:交易池中的状态;
admin.addPeer():连接到其他节点;
????????添加coinbase???????? 账户
在a节点上创建一个账户
查看a节点上所有账户

personal.listAccounts

[]
当前为空
创建一个账户,密码是123456

personal.newAccount("123456")

"0x0aab8ad7444c1fc908707a063297520cb10414e8"
再次查看,已经有了一个账户

personal.listAccounts

["0x0aab8ad7444c1fc908707a063297520cb10414e8"]
在b节点也创建一个账户

personal.newAccount("123456")

"0x406133cb63002afa6cbc43a388e8eeb4c479dfaa"
在a节点查看coinbase账户
coinbase 即节点挖矿奖励所在的账户

eth.coinbase

INFO [09-06|18:50:56.130] Etherbase automatically configured address=0x0AAB8Ad7444C1FC908707A063297520Cb10414E8
"0x0aab8ad7444c1fc908707a063297520cb10414e8"
coinbase账户 默认就是节点里面的第一个账户,现在每个节点都只有一个账户,都分别为coinbase账户。

修改coinbase 账户

在a节点再创建一个账户

personal.newAccount("123456")

"0xb99db142c26690d98dc3ea1c1f10e114603c0ec0"
把a节点的coinbase账户修改为第二个账户

miner.setEtherbase("0xb99db142c26690d98dc3ea1c1f10e114603c0ec0")

true
再次查看coinbase

eth.coinbase

"0xb99db142c26690d98dc3ea1c1f10e114603c0ec0"
更改成功

查看节点所有的账户详情

personal.listWallets

[{
accounts: [{
address: "0x0aab8ad7444c1fc908707a063297520cb10414e8",
url: "keystore:///Users/qianjianeng/Desktop/a/data-init1/keystore/UTC--2018-09-06×××0-46-59.613429718Z--0aab8ad7444c1fc908707a063297520cb10414e8"
}],
status: "Locked",
url: "keystore:///Users/qianjianeng/Desktop/a/data-init1/keystore/UTC--2018-09-06×××0-46-59.613429718Z--0aab8ad7444c1fc908707a063297520cb10414e8"
}, {
accounts: [{
address: "0xb99db142c26690d98dc3ea1c1f10e114603c0ec0",
url: "keystore:///Users/qianjianeng/Desktop/a/data-init1/keystore/UTC--2018-09-06×××0-55-08.643545883Z--b99db142c26690d98dc3ea1c1f10e114603c0ec0"
}],
status: "Locked",
url: "keystore:///Users/qianjianeng/Desktop/a/data-init1/keystore/UTC--2018-09-06×××0-55-08.643545883Z--b99db142c26690d98dc3ea1c1f10e114603c0ec0"
}]
联盟链互通
上面分别是在两个节点上进行的操作,下面我们需要把两个节点之间建立起链接。首先,我们执 行以下命令查看以下节点的peers的情况。

> admin.peers []

发现节点并没有链接上任何其他节点,这也是我们的nodiscover参数发挥了效果。下面就通过分享enode地址的方式来让两个节点建立链接。

查看a节点信息

admin.nodeInfo.enode

在这些不同的节点它们能够分享交易和成功挖掘信息。

查看b节点信息

admin.nodeInfo.enode

admin.addPeer("enode://a16a449053ef07d7088527b46951a6439ddcacf88d4f28dc3862141dd64f5ddba67e5c959e0544d1c758d89b81d4425138ea70a0062e0a2cf4cb940bfca2f20e@[::]:30306?discport=0")

在a节点添加b即可,无需在b节点添加a

返回true即为添加成功

再次执行命令admin.peers验证

admin.peers

[{
caps: ["eth/63"],
id: "ec9aa0351cbe060366410a9c7403c4d1b76de704127a8c58dd3ad5c21e199c4bc75ab567c1ffba33bb983baefd954f9f647d4e0fb1043613fb43b18dd60824be",
name: "Geth/v1.8.12-stable/darwin-amd64/go1.10.3",
network: {
inbound: false,
localAddress: "[::1]:64810",
remoteAddress: "[::1]:30306",
static: true,
trusted: false
},
protocols: {
eth: {
difficulty: 262144,
head: "0xa0e580c6769ac3dd80894b2a256164a76b796839d2eb7f799ef6b9850ea5e82e",
version: 63
}
}
}]
出现其他节点的信息,表明节点连接成功

查看节点连接数

web3.net.peerCount

以太坊单位

单位 ----------------wei值-----------Wei
wei ---------------- 1 ------------1 wei
Kwei (babbage)------1e3 wei---------1,000
Mwei (lovelace)-----1e6 wei---------1,000,000
Gwei (shannon)------1e9 wei --------1,000,000,000
microether (szabo)--1e12 wei--------1,000,000,000,000
milliether (finney)-1e15 wei--------1,000,000,000,000,000
ether---------------1e18 wei--------1,000,000,000,000,000,000

最常用的就是wei和ether,客户端显示一般都是ether,转账交易时都需要将ether转换成wei

1 eth = 1e18 wei

// wei转换为ether

web3.fromWei('22000000000000', 'ether');

"0.000022"

// ether转换为wei

web3.toWei('1','ether')

"1000000000000000000"
查询余额
查询旷工地址余额及查询指定地址余额

eth.getBalance(eth.coinbase)

eth.getBalance("0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5")
挖矿
> miner.start()

miner.start()

INFO [09-06|22:46:00.911] Updated mining threads threads=0
INFO [09-06|22:46:00.911] Transaction pool price threshold updated price=18000000000
INFO [09-06|22:46:00.911] Starting mining operation
null
INFO [09-06|22:46:00.912] Commit new mining work number=1 txs=0 uncles=0 elapsed=1.046ms
INFO [09-06|22:46:09.002] Successfully sealed new block number=1 hash=300302…5db299
INFO [09-06|22:46:09.006] ???? mined potential block number=1 hash=300302…5db299
INFO [09-06|22:46:09.007] Commit new mining work number=2 txs=0 uncles=0 elapsed=874.759µs
INFO [09-06|22:46:09.608] Successfully sealed new block number=2 hash=186735…3546a7
查看b节点控制台可以看出,节点a在挖矿,节点b在同步数据

停止挖矿

> miner.stop()

再次查看余额

eth.getBalance(eth.coinbase)

135000000000000000000
两个节点也可以同时挖矿

在节点a查询节点b地址的余额

eth.getBalance("0x7af1b2e3ccea944c64b5cd60ecc8dc9c998a211f")

145000000000000000000
节点a也能查询到节点b地址的信息和余额,说明节点a和节点b的数据是完全同步的

交易转账

现在我们从节点a的coinbase账户发送一笔交易到节点b的一个新钱包。
转账前需要先解锁账户

personal.unlockAccount(eth.coinbase)

Unlock account 0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5
Passphrase:
true
转账完成后再次查询余额

eth.sendTransaction({from: eth.coinbase, to: '0x5048b919c2ef522b1313944718ffe0ce84e4e4b4', value: 1000000000000000000})

INFO [09-07|10:45:46.443] Submitted transaction fullhash=0x706537c56d005b42432ac3b3d4691621efbd35894c924d7dcc3961c155c67217 recipient=0x5048B919c2ef522b1313944718FfE0cE84E4E4b4
"0x706537c56d005b42432ac3b3d4691621efbd35894c924d7dcc3961c155c67217"
eth.getBalance("0x5048b919c2ef522b1313944718ffe0ce84e4e4b4")
0
发现余额是0,因为还没有矿工对交易进行挖矿打包。

执行挖矿

miner.start()

再次查询

eth.getBalance("0x5048b919c2ef522b1313944718ffe0ce84e4e4b4")

1000000000000000000
一个eth 已经到账。

带gas参数的转账命令

eth.sendTransaction({from: eth.coinbase, to: "0xa8d003b95ed969e68db9eb077ad333a3df10450a", gas:1000, 'gasPrice': web3.toWei(300, 'gwei'), "value": "1"})

智能合约
写一个简单的智能合约

pragma solidity ^0.4.24;

contract Sample {
uint public value;
function Sample(uint v){
value=v;
}
function set(uint v){
value=v;
}
function get() constant returns (uint){
return value;
}
}
在http://remix.ethereum.org/上编译得到
ABI和合约的二进制代码

点击右上角的 start to complie 之后,在点击下方的details

在bitecode里面的object 拿到合约的二进制代码,然后在前面补上0x.
然后在下一栏拿到ABI文件,复制得到的ABI文件带有空格,可用json工具(。

将abi代码去除空格后

[{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"v","type":"uint256"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"get","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"v","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

然后在节点a输入

abi=[{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"v","type":"uint256"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"get","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"v","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

[{
constant: true,
inputs: [],
name: "value",
outputs: [{
name: "",
type: "uint256"
}],
payable: false,
stateMutability: "view",
type: "function"
}, {
constant: false,
inputs: [{
name: "v",
type: "uint256"
}],
name: "set",
outputs: [],
payable: false,
stateMutability: "nonpayable",
type: "function"
}, {
constant: true,
inputs: [],
name: "get",
outputs: [{
name: "",
type: "uint256"
}],
payable: false,
stateMutability: "view",
type: "function"
}, {
inputs: [{
name: "v",
type: "uint256"
}],
payable: false,
stateMutability: "nonpayable",
type: "constructor"
}]
在输入

sample=eth.contract(abi)

{
abi: [{
constant: true,
inputs: [],
name: "value",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
constant: false,
inputs: [{...}],
name: "set",
outputs: [],
payable: false,
stateMutability: "nonpayable",
type: "function"
}, {
constant: true,
inputs: [],
name: "get",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
inputs: [{...}],
payable: false,
stateMutability: "nonpayable",
type: "constructor"
}],
eth: {
accounts: ["0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5"],
blockNumber: 79,
coinbase: "0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5",
compile: {
lll: function(),
serpent: function(),
solidity: function()
},
defaultAccount: undefined,
defaultBlock: "latest",
gasPrice: 18000000000,
hashrate: 0,
mining: false,
pendingTransactions: [],
protocolVersion: "0x3f",
syncing: false,
call: function(),
contract: function(abi),
estimateGas: function(),
filter: function(options, callback, filterCreationErrorCallback),
getAccounts: function(callback),
getBalance: function(),
getBlock: function(),
getBlockNumber: function(callback),
getBlockTransactionCount: function(),
getBlockUncleCount: function(),
getCode: function(),
getCoinbase: function(callback),
getCompilers: function(),
getGasPrice: function(callback),
getHashrate: function(callback),
getMining: function(callback),
getPendingTransactions: function(callback),
getProtocolVersion: function(callback),
getRawTransaction: function(),
getRawTransactionFromBlock: function(),
getStorageAt: function(),
getSyncing: function(callback),
getTransaction: function(),
getTransactionCount: function(),
getTransactionFromBlock: function(),
getTransactionReceipt: function(),
getUncle: function(),
getWork: function(),
iban: function(iban),
icapNamereg: function(),
isSyncing: function(callback),
namereg: function(),
resend: function(),
sendIBANTransaction: function(),
sendRawTransaction: function(),
sendTransaction: function(),
sign: function(),
signTransaction: function(),
submitTransaction: function(),
submitWork: function()
},
at: function(address, callback),
getData: function(),
new: function()
}
然后再输入二进制合约代码

SampleHEX="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"

"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"
把合约部署到链上

personal.unlockAccount(eth.coinbase)

Unlock account 0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5
Passphrase:
true
thesample=sample.new(1,{from:eth.accounts[0],data:SampleHEX,gas:3000000})
INFO [09-09|18:30:33.352] Submitted contract creation fullhash=0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16 contract=0x7D423D420C8a63D86c1116ef71ba2F5d405a7714
{
abi: [{
constant: true,
inputs: [],
name: "value",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
constant: false,
inputs: [{...}],
name: "set",
outputs: [],
payable: false,
stateMutability: "nonpayable",
type: "function"
}, {
constant: true,
inputs: [],
name: "get",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
inputs: [{...}],
payable: false,
stateMutability: "nonpayable",
type: "constructor"
}],
address: undefined,
transactionHash: "0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16"
}
合约中最重要的两个信息是合约地址和合约hash,上面的contract就是合约地址,也可以通过下面的交易细节获取到合约地址

挖一会矿miner.start()后停止miner.stop(),根据合约hash查看交易细节

samplerecpt=eth.getTransactionReceipt("0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16")

{
blockHash: "0x54bb9756e7310deff7192a6184833e76d2b203334093aac97b773a8d11081705",
blockNumber: 80,
contractAddress: "0x7d423d420c8a63d86c1116ef71ba2f5d405a7714",
cumulativeGasUsed: 134093,
from: "0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5",
gasUsed: 134093,
logs: [],
logsBloom: "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
root: "0xe88933bb56dd158847b0cf443b896be470f0ebd1d44d2e78bac023b1a3ff77d3",
to: null,
transactionHash: "0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16",
transactionIndex: 0
}
拷贝合约地址并命名,就可以拿到合约并执行合约的方法

samplecontract=sample.at("0x7D423D420C8a63D86c1116ef71ba2F5d405a7714")

{
abi: [{
constant: true,
inputs: [],
name: "value",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
constant: false,
inputs: [{...}],
name: "set",
outputs: [],
payable: false,
stateMutability: "nonpayable",
type: "function"
}, {
constant: true,
inputs: [],
name: "get",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
inputs: [{...}],
payable: false,
stateMutability: "nonpayable",
type: "constructor"
}],
address: "0x7D423D420C8a63D86c1116ef71ba2F5d405a7714",
transactionHash: null,
allEvents: function(),
get: function(),
set: function(),
value: function()
}
查看合约get方法

samplecontract.get.call()

1
调用合约set方法,如果账户已经锁定,就先解锁
调用set方法后,还需要挖矿才能生效

samplecontract.set.sendTransaction(5, {from:eth.accounts[0], gas:3000000})

INFO [09-09|18:41:44.003] Submitted transaction fullhash=0x282aa828d5df526b20775d696b0df8c5ad1caf88adb972d7bad796ba35977fa4 recipient=0x7D423D420C8a63D86c1116ef71ba2F5d405a7714
"0x282aa828d5df526b20775d696b0df8c5ad1caf88adb972d7bad796ba35977fa4"
然后挖矿,查看结果

samplecontract.get.call()

5
在节点b查看节点a中部署的合约
进入节点b的终端

samplerecpt=eth.getTransactionReceipt("0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16")

{
blockHash: "0x54bb9756e7310deff7192a6184833e76d2b203334093aac97b773a8d11081705",
blockNumber: 80,
contractAddress: "0x7d423d420c8a63d86c1116ef71ba2f5d405a7714",
cumulativeGasUsed: 134093,
from: "0x635b3b3a6b3b9840edb9531ec91193bbf15f12f5",
gasUsed: 134093,
logs: [],
logsBloom: "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
root: "0xe88933bb56dd158847b0cf443b896be470f0ebd1d44d2e78bac023b1a3ff77d3",
to: null,
transactionHash: "0xd507ca17f199c014a153c08b221107e01c6365c7d10eb609bdad99535de7dd16",
transactionIndex: 0
}
在节点b中通过合约地址获取合约,并调用合约方法

abi=[{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"v","type":"uint256"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"get","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"v","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

> sample=eth.contract(abi)

通过合约地址获取二进制文件

SampleHex=eth.getCode("0x7D423D420C8a63D86c1116ef71ba2F5d405a7714")

"0x60806040526004361060525763ffffffff7c01000000000000000000000000000000000000000000000000000000006000350416633fa4f2458114605757806360fe47b114607b5780636d4ce63c146092575b600080fd5b348015606257600080fd5b50606960a4565b60408051918252519081900360200190f35b348015608657600080fd5b50609060043560aa565b005b348015609d57600080fd5b50606960af565b60005481565b600055565b600054905600a165627a7a7230582084151f58c02538f867209172d079a7bc65c934502439ff9607bcfb0c1f097f000029"
通过合约地址获取到合约对象
sampleContract=sample.at("0x7D423D420C8a63D86c1116ef71ba2F5d405a7714")
{
abi: [{
constant: true,
inputs: [],
name: "value",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
constant: false,
inputs: [{...}],
name: "set",
outputs: [],
payable: false,
stateMutability: "nonpayable",
type: "function"
}, {
constant: true,
inputs: [],
name: "get",
outputs: [{...}],
payable: false,
stateMutability: "view",
type: "function"
}, {
inputs: [{...}],
payable: false,
stateMutability: "nonpayable",
type: "constructor"
}],
address: "0x7D423D420C8a63D86c1116ef71ba2F5d405a7714",
transactionHash: null,
allEvents: function(),
get: function(),
set: function(),
value: function()
}
调用合约方法
sampleContract.get.call()
5
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转载于:https://blog.51cto.com/13983419/2178882

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