/wallet/participateassetissue

参与 TRC10 募集（用 TRX 购买）。

• 源码：framework/src/main/java/org/tron/core/services/http/ParticipateAssetIssueServlet.java
• Method：POST
• Contract：protocol.ParticipateAssetIssueContract（asset_issue_contract.proto）

请求参数

字段	类型	必填	说明
owner_address	string	是	购买方
to_address	string	是	通证发行方地址
asset_name	string	是	通证 ID（自 ALLOW_SAME_TOKEN_NAME 提案生效后是字符串形式的 token id，如 1000001，hex UTF-8 编码）
amount	int64	是	支付的 TRX，sun
permission_id	int32	否	多签权限 ID
visible	bool	否	地址、文本字段格式

约束：必须在 [start_time, end_time) 期间内；获得的通证数量按 num/trx_num 折算。

示例：

curl --request POST \
     --url https://nile.trongrid.io/wallet/participateassetissue \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "owner_address": "41dd791d6b49e190062d650e6a23c575510d35f2f9",
  "to_address":    "41088a2bfcb1c7271029fd69a66859d55560895884",
  "asset_name":    "31303035343136",
  "amount": 1000000
}
'

响应

返回未签名 protocol.Transaction。

响应示例（asset_name 31303035343136 解码为 token id 1005416；txID、ref_block_*、expiration、timestamp、raw_data_hex 因构造时机而异）：

{
  "visible": false,
  "txID": "1c2d37ad679f720266a0565d0170bcce2b4d096953badf5c848b85137005b5d4",
  "raw_data": {
    "contract": [
      {
        "parameter": {
          "value": {
            "amount": 1000000,
            "asset_name": "31303035343136",
            "owner_address": "41dd791d6b49e190062d650e6a23c575510d35f2f9",
            "to_address": "41088a2bfcb1c7271029fd69a66859d55560895884"
          },
          "type_url": "type.googleapis.com/protocol.ParticipateAssetIssueContract"
        },
        "type": "ParticipateAssetIssueContract"
      }
    ],
    "ref_block_bytes": "2794",
    "ref_block_hash": "ba3c3fb8fa06d426",
    "expiration": 1777446312000,
    "timestamp": 1777446253445
  },
  "raw_data_hex": "0a0227942208ba3c3fb8fa06d42640c0b0b9c0dd335a7d080912790a3a747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e506172746963697061746541737365744973737565436f6e7472616374123b0a1541dd791d6b49e190062d650e6a23c575510d35f2f9121541088a2bfcb1c7271029fd69a66859d555608958841a073130303534313620c0843d7085e7b5c0dd33"
}

异常响应

触发条件	响应
请求体超过 node.maxMessageSize	{"Error": "class java.lang.Exception : body size is too big, the limit is <N>"}
请求体不是合法 JSON / 字段类型不符	{"Error": "class com.alibaba.fastjson.JSONException : <解析器信息>"} 或 {"Error": "class org.tron.core.services.http.JsonFormat$ParseException : <解码器信息>"}
owner_address 非法	{"Error": "class org.tron.core.exception.ContractValidateException : Invalid ownerAddress"}
to_address 非法	{"Error": "... : Invalid toAddress"}
amount <= 0	{"Error": "... : Amount must greater than 0!"}
owner == to	{"Error": "... : Cannot participate asset Issue yourself !"}
owner 账户不存在	{"Error": "... : Account does not exist!"}
owner 余额不足支付 amount + fee	{"Error": "... : No enough balance !"}
指定 token 不存在	{"Error": "... : No asset named <name>"}
to_address 不是该 token 的发行方	{"Error": "... : The asset is not issued by <toAddress hex>"}
不在募集时段内	{"Error": "... : No longer valid period!"}
兑换不能整除（无法精确换算）	{"Error": "... : Can not process the exchange!"}
to_address 账户不存在	{"Error": "... : To account does not exist!"}
募集方剩余可分发余额不足	{"Error": "... : Asset balance is not enough !"}
其他异常	{"Error": "<exceptionClass> : <message>"}

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