Transfer

The transfer transaction allows the sender to transfer LTO tokens to the recipient.

{
  "type": 4,
  "version": 3,
  "id": "5a1ZVJTu8Y7mPA6BbkvGdfmbjvz9YSppQXPnb5MxihV5",
  "sender": "3N9ChkxWXqgdWLLErWFrSwjqARB6NtYsvZh",
  "senderKeyType": "ed25519",
  "senderPublicKey": "9NFb1rvMyr1k8f3wu3UP1RaEGsozBt9gF2CmPMGGA42m",
  "fee": 100000000,
  "timestamp": 1609639213556,
  "amount": 100000000000,
  "recipient": "3NBcx7AQqDopBj3WfwCVARNYuZyt1L9xEVM",
  "attachment": "9Ajdvzr",
  "proofs": [
    "3ftQ2ArKKXw655WdHy2TK1MGXeyzKRqMQYwFidekkyxLpzFGsTziSFsbM5RCFxrn32EzisMgPWtQVQ4e5UqKUcES"
  ],
  "height": 1212761
}
  • id and height should be omitted when broadcasting. These fields are set by the node.

  • Binary strings (including attachment) are base58 encoded.

  • timestamp is in microseconds since epoch.

  • fee and amount include 8 digits, so LTO * 10^8

Binary schema

The binary data structure of the unsigned transaction.

#Field NameTypeLength
1

Transaction type

Byte (constant, value=4)

1

2

Version

Byte (constant, value=3)

1

3

Network 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

Amount

Long

8

10

Attachment length (N)

Short

2

11

Attachment

Array[Byte]

N

  • Network 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.

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