测试网络BTC领取:
https://testnet.manu.backend.hamburg/faucet
https://testnet.coinfaucet.eu/en/
insight测试网络: http://192.168.50.159:3001/insight/
insight文档:
http://192.168.50.159:3001/insight/address/n44UNAeSMPLrZcr8W2QRn9jbZsW3NJ8YUj
交易费字节数计算方式:
148 * 输入数额 + 34 * 输出数额 + 10
148 * inputs_count + 34 * outputs_count + 10
