查看各种令牌实现(例如这里和这里)的源代码,它们具有以下API:
// presume can only be "called" by owner.
Transfer(address to, number amount)
// sender (exchange) must be authorised by owner
Transfer(address from, address to, number value) {
require(balanceOf[from] >= value);
balanceOf[from] -= value;
b
我用web3js编写了一些简单的代码来实时跟踪地址/帐户的事务。它可以工作,但我认为它的性能很差,或者可能消耗过多的cpu资源。
示例代码
let filter = web3.eth.filter("latest");
filter.watch(function(error, result) {
if (!error) {
//tracking start in 12 blocks earlier .
var earlierNumber = web3.eth.getBlock(result).number - 12;
var co