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Transactions.md

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Transactions

[This is a work in progress.]

Transaction Structure

Size Field Description
2 bytes Version Specifies rules
8 bytes Input Counter Number of inputs
Variable Inputs One or more transaction input structures
8 bytes Output Counter Number of outputs
Variable Outputs One or more transaction output structures
8 bytes Locktime what units are used for locktime ?
20 bytes Subnetwork Id Reserved. The default value is 20 zeroed bytes
8 bytes GAS Reserved. the default value is 8 zeroed bytes
32 bytes Payload Hash 32 zeroed bytes
8 bytes Payload size Reserved. the default value is 8 zeroed bytes
Variable Payload Reserved. the default value is empty

Transaction Input Structure

Size Field Description
32 bytes Transaction ID Points to the transaction containing the UTXO to be spent
4 bytes Index The index number of the UTXO to be spent
8 bytes Script length length of signature Script
Variable Signature Script Unlocking script that fulfills the conditions of the UTXO (Usualy containing a signature)
8 bytes Sequence Number Related to time locks

Transaction Output Structure

Size Field Description
8 bytes Amount Kaspa value
2 bytes Script version The version of the script (currently only 0 is supported)
8 bytes Script length length of Script
Variable Script Public key Locking script defining the conditions needed to spend the output

Transaction Locktime

TO DO

Transaction Fees

TO DO

Gas

Reserved for future use.

Examples

Transaction Structure

 "Transaction": {
    "Version": 0,
    "Inputs": [
      {
        "PreviousOutpoint": {
          "TransactionID": "ece2916ff2a69d6ddac0c3ff259b8f3032383033e1bd0887152a1c990c1b2418",
          "Index": 0
        },
        "SignatureScript": "41bbfd299edb70e5998541684013a275a685eb69ea720c3abce08f2f03f3f5e6abc17d474ca720992e03652275cdabf01d80e8eb5084524e532e59b68b7a55d8850120f9a7699db2eec6a4116373fde8e5c7f46af3d81c96b912cdc0e2dd67d00ed6d7",
        "Sequence": 0
      }
    ],
    "Outputs": [
      {
        "Value": 2500000000,
        "ScriptPublicKey": {
          "Script": "76a914663f308631fe9daedb16a8ff45a56112861c02af88ac",
          "Version": 0
        }
      },
      {
        "Value": 4999998600,
        "ScriptPublicKey": {
          "Script": "76a914663f308631fe9daedb16a8ff45a56112861c02af88ac",
          "Version": 0
        }
      }
    ],
    "LockTime": 0,
    "SubnetworkID": "0000000000000000000000000000000000000000",
    "PayloadHash": "0000000000000000000000000000000000000000000000000000000000000000",
    "Payload": null,
    "Fee": 400
  }