怎么确定交易的有效性,没有字段标识呢,是code么

{
“hash”: “7B64959D7D678BD43A2F34320DC6B20FA3B950C74A5A14F70E075C5C0A6C0D52”,
“height”: “5865811”,
“tx”: {
“type”: “irishub/bank/StdTx”,
“value”: {
“msg”: [
{
“type”: “irishub/bank/Send”,
“value”: {
“inputs”: [
{
“address”: “faa1xkjyp7z4jhz3r5ye5gknsrtnt8urjg9xtp9qys”,
“coins”: [
{
“denom”: “iris-atto”,
“amount”: “1000000000000000000”
}
]
}
],
“outputs”: [
{
“address”: “faa1v928c2vwakklm2qhr76msletmh0afx7cwm62an”,
“coins”: [
{
“denom”: “iris-atto”,
“amount”: “1000000000000000000”
}
]
}
]
}
}
],
“fee”: {
“amount”: [
{
“denom”: “iris-atto”,
“amount”: “120000000000000000”
}
],
“gas”: “20000”
},
“signatures”: [
{
“pub_key”: {
“type”: “tendermint/PubKeySecp256k1”,
“value”: “A0/Scf6apBLYUBpOXxpO+lz5wBWr3fz6IYIzde3nSEVF”
},
“signature”: “c7coojygbW8PiUINFraaZ2bxRp6WlpjzC4qvGsExQOppIUwtqV/8Ay8BeI8UuOVP9+a72CPr7BA8NLH8C+hLCA==”,
“account_number”: “57”,
“sequence”: “1”
}
],
“memo”: “1251407509”
}
},
“result”: {
“Code”: 0,
“Data”: null,
“Log”: "Msg 0: ",
“Info”: “”,
“GasWanted”: “20000”,
“GasUsed”: “5033”,
“Tags”: [
{
“key”: “action”,
“value”: “send”
},
{
“key”: “sender”,
“value”: “faa1xkjyp7z4jhz3r5ye5gknsrtnt8urjg9xtp9qys”
},
{
“key”: “recipient”,
“value”: “faa1v928c2vwakklm2qhr76msletmh0afx7cwm62an”
}
],
“Codespace”: “”,
“XXX_NoUnkeyedLiteral”: {},
“XXX_unrecognized”: null,
“XXX_sizecache”: 0
},
“timestamp”: “2020-07-28T09:21:14Z”,
“coin_flow”: [
“faa1xkjyp7z4jhz3r5ye5gknsrtnt8urjg9xtp9qys::faa1v928c2vwakklm2qhr76msletmh0afx7cwm62an::1000000000000000000iris-atto::Transfer::::2020-07-28 09:21:14.418123224 +0000 UTC”
]
}

Code:0 即为交易成功
[为什么这个回复非要大于20个字才能回复呢,哭了 :sob:]