1.根据交易ID查询交易详情(Mempool第三方API)
func GetTransactionByMempool(txid string) string
{"success":true,"error":"","code":200,"data":{"txid":"376b9b9936648dbf0ff267922d4bbc0d2fe378b3a25e516173962b1220ddfda3","vin":[{"scriptpubkey_address":"bc1qw46g0azcjme87d46vscwa6qrf2ry74vm00prq0","value":12494},{"scriptpubkey_address":"bc1qtam4a9hah9cnczkxp9jpdulltekt0d0jgkm095","value":3115122}],"vout":[{"scriptpubkey_address":"bc1qlaqklnq6qjafkmgqer7wcgnfg6lkgnksyupvps","value":558652},{"scriptpubkey_address":"bc1qf8at86g2h8qultzxwe3pxcky53js0qznnxspz4","value":2567571}],"block_time":1720767768,"balance_result":3126223,"fee_rate":6.68,"fee":1393,"confirmed_blocks":1}}