geth常用命令记录

geth常用命令记录
mygeth.exe --datadir "%cd%\chain" –rpc –rpcaddr "127.0.0.1" –rpcport "8545" --rpcapi "web3,eth,personal"
参数解释:

• -rpc -rpcaddr “127.0.0.1”,设置rpc请求地址
• -rpc -rpcport “8545”,设置rpc的端口
• --rpcapi “web3,eth,personal”，启动web3,eth,personal，提供rpc服务，让web3.js可以在控制台中调用上述几个命令。
• --nodiscover 私有链地址，不会被网上看到

#!/usr/bin/env node
#使用node.js连接geth，通过代码调用geth的命令
var Web3 = require('web3');
var web3 = new Web3();

web3.setProvider(new web3.providers.HttpProvider('http://127.0.0.1:8545'));
console.log("web3 info is :" + web3)
var accounts = web3.eth.accounts;
var arrsAccount = accounts.toString().split(",")
arrsAccount.forEach(function (item, index) {
    console.log(item + "---" + index)
})
console.log("账户集合：" + accounts)
var coinbase = web3.eth.accounts[0];
// unlock account
web3.personal.unlockAccount(coinbase, "aaa111")
console.log(coinbase);
var balance = web3.eth.getBalance(coinbase);
// println balance
console.log("余额是：" + balance.toString(10));
//web3.eth.sendTransaction("from:0xf183833eabae0658cabb46e7d6f45f4de654471d", "0xa525a870e87b804edba7cc0906380a4d514e48c3", 10)
var result = web3.eth.sendTransaction({
    from: "0xf183833eabae0658cabb46e7d6f45f4de654471d",
    to: "0xa525a870e87b804edba7cc0906380a4d514e48c3",
    value: 10
})
console.log("交易结果:" + result)