eth相关函数¶

web3.eth.sendTransaction()¶

格式:

web3.eth.sendTransaction(transactionObject [, callback])

参数:

1. Object - The transaction object to send:
    from: String ->
        发送帐号,默认为 web3.eth.defaultAccount property
    to: String -> (optional)
        消息的目的地址, 智能合约的话,值为undefined
    value: Number|String|BigNumber -> (optional)
        交易价值,单位是Wei
    gas: Number|String|BigNumber - (optional, default: To-Be-Determined)
        用于交易的gas数量(unused gas is refunded).
    gasPrice: Number|String|BigNumber - (optional, default: To-Be-Determined)
        交易的gas价值,单位wei, 默认是平均network gas price.
    data: String - (optional)
        Either a byte string containing the associated data of the message, or in the case of a contract-creation transaction, the initialisation code.
    nonce: Number - (optional)
        Integer of a nonce. This allows to overwrite your own pending transactions that use the same nonce.
2. Function - (optional)
    If you pass a callback the HTTP request is made asynchronous. See this note for details.

实例:

var code = "0x999f1e5ee3ce7a58400b2f6c559cfd9e5a71aa39fbfe663492edf9305df69ecf";
web3.eth.sendTransaction({data: code}, function(err, transactionHash) {
 if (!err)
   console.log(transactionHash); // "0x7f9fade1c0d57a7af66ab4ead7c2eb7b11a91385"
});