Association

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Association
Create an association between account. An association can represent any kind of relationship. The meaning is defined by the association type.
JSON
1
{
2
  "type": 16,
3
  "version": 3,
4
  "id": "1uZqDjRjaehEceSxrVxz6WD6wt8su8TBHyDLQ1KFnJo",
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  "sender": "3NBcx7AQqDopBj3WfwCVARNYuZyt1L9xEVM",
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  "senderKeyType": "Ed25519",
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  "senderPublicKey": "7gghhSwKRvshZwwh6sG97mzo1qoFtHEQK7iM4vGcnEt7",
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  "recipient": "3N9ChkxWXqgdWLLErWFrSwjqARB6NtYsvZh",
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  "associationType": 1,
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  "hash": "3yMApqCuCjXDWPrbjfR5mjCPTHqFG8Pux1TxQrEM35jj",
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  "timestamp": 1610404930000,
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  "expires": 1641961856000,
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  "fee": 100000000,
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  "proofs": [
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    "2jQMruoLoshfKe6FAUbA9vmVVvAt8bVpCFyM75Z2PLJiuRmjmLzFpM2UmgQ6E73qn46AVQprQJPBhQe92S7iSXbZ"
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  ],
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  "height": 1225712
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}
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id and height should be omitted when broadcasting. These fields are set by the node.
hash is optional.
Binary strings are base58 encoded.
timestamp and expires is in microseconds since epoch.
fee includes 8 digits, so LTO * 10^8
Associations that are recently expired may still be returned by the node. The public node will use the time of the last mined block to determine if an association is expired or not.
Binary schema
The binary data structure of the unsigned transaction.
V3 (current)
V1
#
Field Name
Type
Length
1
Transaction type
Byte (constant, value=16)
1
2
Version
Byte (constant, value=3)
1
3
Chain id
Byte
1
4
Timestamp
Long
8
5
Sender's key type
KeyType (Byte)
1
6
Sender's public key
PublicKey (Array[Byte])
32 | 33
7
Fee
Long
8
8
Recipient
Address (Array[Byte])
26
9
Association type
Int
4
10
Expires
Long
8
11
Hash length (N)
Short
2
12
Hash
Array[Byte]
N
If the association doesn't expire, the expiry timestamp in the binary data must be zero.
Chain id can be obtained by taking the 2nd byte from the sender address.
Each key type has a numeric id in addition to the reference from the JSON.
Integers (short, int, long) have a big endian byte order.
​
#
Field Name
Type
Length
1
Transaction type
Byte (constant, value=16)
1
2
Version
Byte (constant, value=1)
1
3
Chain id
Byte
1
4
Sender's public key
PublicKey (Array[Byte])
32
5
Party
Address (Array[Byte])
26
6
Association type
Int
4
7
Includes hash
Boolean (Byte)
1
8
Hash length (N)
Short
2
9
Hash
Array[Byte]
N
10
Timestamp
Long
8
11
Fee
Long
8
If the association doesn't include a hash, the hash length and hash should be omitted from the binary data.
Chain id can be obtained by taking the 2nd byte from the sender or recipient address.
Integers (short, int, long) have a big endian byte order.
Anchor
Revoke Association
Last modified 5mo ago
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Contents
JSON
Binary schema