/wallet/createassetissue

Build a TRC10 token issuance transaction.

• Source: framework/src/main/java/org/tron/core/services/http/CreateAssetIssueServlet.java
• Method: POST
• Contract: protocol.AssetIssueContract (asset_issue_contract.proto)

Request parameters

Field	Type	Required	Description
owner_address	string	Yes	Issuer address
name	string	Yes	Token name (UTF-8 encoded as hex)
abbr	string	No	Abbreviation (UTF-8 encoded as hex)
total_supply	int64	Yes	Total supply
frozen_supply	repeated FrozenSupply	No	Frozen portion; element {frozen_amount, frozen_days}
trx_num	int32	Yes	Exchange ratio denominator (trx_num TRX = num tokens)
num	int32	Yes	Exchange ratio numerator
precision	int32	No	Precision
start_time	int64	Yes	Fundraising start time, milliseconds
end_time	int64	Yes	Fundraising end time, milliseconds
description	string	No	Description (UTF-8 hex)
url	string	Yes	Project URL (UTF-8 hex, ≤ 256 bytes)
free_asset_net_limit	int64	No	Per-account free bandwidth quota for this token
public_free_asset_net_limit	int64	No	Public free bandwidth quota for this token
permission_id	int32	No	Multi-sig permission ID
visible	bool	No	Format for addresses and text fields

Example:

curl --request POST \
     --url https://nile.trongrid.io/wallet/createassetissue \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "owner_address": "41dd791d6b49e190062d650e6a23c575510d35f2f9",
  "name": "44494345",
  "abbr": "44494345",
  "total_supply": 1000000000,
  "trx_num": 1,
  "num": 1,
  "start_time": 1900000000000,
  "end_time": 2000000000000,
  "description": "44494345",
  "url": "68747470733a2f2f747261782e696f"
}
'

Response

Returns an unsigned protocol.Transaction. Once on chain, an assetIssueID is assigned and visible in TransactionInfo.assetIssueID.

Response example (txID, ref_block_*, expiration, timestamp, and raw_data_hex vary by the moment of construction; start_time must be later than the current block time):

{
  "visible": false,
  "txID": "a9c125300a5e5c6fa9490ab599b3f37db756aa1e421d883167955c91e4cfe409",
  "raw_data": {
    "contract": [
      {
        "parameter": {
          "value": {
            "owner_address": "41dd791d6b49e190062d650e6a23c575510d35f2f9",
            "name": "44494345",
            "abbr": "44494345",
            "total_supply": 1000000000,
            "trx_num": 1,
            "num": 1,
            "start_time": 1900000000000,
            "end_time": 2000000000000,
            "description": "44494345",
            "url": "68747470733a2f2f747261782e696f"
          },
          "type_url": "type.googleapis.com/protocol.AssetIssueContract"
        },
        "type": "AssetIssueContract"
      }
    ],
    "ref_block_bytes": "275a",
    "ref_block_hash": "8aeea897e90cdc79",
    "expiration": 1777446138000,
    "timestamp": 1777446080622
  },
  "raw_data_hex": "0a02275a22088aeea897e90cdc794090e1aec0dd335a8c0108061287010a2f747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e41737365744973737565436f6e747261637412540a1541dd791d6b49e190062d650e6a23c575510d35f2f91204444943451a0444494345208094ebdc03300140014880f0cc86a6375080c0a8ca9a3aa2010444494345aa010f68747470733a2f2f747261782e696f70eea0abc0dd33"
}

Cost: issuing a TRC10 burns a sizable amount of TRX (governed by chain parameter getAssetIssueFee, currently 1024 TRX).

Error responses

Trigger	Response
Request body exceeds node.maxMessageSize	{"Error": "class java.lang.Exception : body size is too big, the limit is <N>"}
Request body is not valid JSON / field type mismatch	{"Error": "class com.alibaba.fastjson.JSONException : <parser info>"} or {"Error": "class org.tron.core.services.http.JsonFormat$ParseException : <decoder info>"}
Invalid owner_address	{"Error": "class org.tron.core.exception.ContractValidateException : Invalid ownerAddress"}
Invalid name (empty, length > 32, or contains illegal characters)	{"Error": "... : Invalid assetName"}
name decodes to "trx"	{"Error": "... : assetName can't be trx"}
precision exceeds 6	{"Error": "... : precision cannot exceed 6"}
Invalid abbr	{"Error": "... : Invalid abbreviation for token"}
Invalid url	{"Error": "... : Invalid url"}
Invalid description (length too long)	{"Error": "... : Invalid description"}
start_time missing	{"Error": "... : Start time should be not empty"}
end_time missing	{"Error": "... : End time should be not empty"}
end_time <= start_time	{"Error": "... : End time should be greater than start time"}
start_time <= current block time	{"Error": "... : Start time should be greater than HeadBlockTime"}
Token with the same name already exists	{"Error": "... : Token exists"}
total_supply <= 0	{"Error": "... : TotalSupply must greater than 0!"}
trx_num <= 0	{"Error": "... : TrxNum must greater than 0!"}
num <= 0	{"Error": "... : Num must greater than 0!"}
public_free_asset_net_usage not 0	{"Error": "... : PublicFreeAssetNetUsage must be 0!"}
frozen_supply list too long	{"Error": "... : Frozen supply list length is too long"}
Invalid free_asset_net_limit	{"Error": "... : Invalid FreeAssetNetLimit"}
Invalid public_free_asset_net_limit	{"Error": "... : Invalid PublicFreeAssetNetLimit"}
frozen_amount <= 0	{"Error": "... : Frozen supply must be greater than 0!"}
Sum of frozen_amount exceeds total_supply	{"Error": "... : Frozen supply cannot exceed total supply"}
frozen_days out of valid range	{"Error": "... : frozenDuration must be less than <max> days and more than <min> days"}
start_time + frozen_days overflows	{"Error": "... : Start time and frozen days would cause expire time overflow"}
owner_address account does not exist	{"Error": "... : Account not exists"}
Account has already issued a token	{"Error": "... : An account can only issue one asset"}
Insufficient balance for the issuance fee	{"Error": "... : No enough balance for fee!"}
Other exceptions	{"Error": "<exceptionClass> : <message>"}

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