tx1_regular.py

import json

import requests

from mass_calculation_compute import calc_compute_mass
from mass_calculation_storage import calc_storage_mass

print(
    'To calculate the resulting mass of a transaction, you need to calc the storage mass (KIP-0009) and the compute mass.')
print('The resulting mass is the higher value of both. -> max(compute_mass, storage_mass)')

print('\n=== Example ===')
print(
    'This example shows a regular TX with no low outputs. The storage mass defined in KIP-0009 is lower than the computed mass.')

tx = json.loads('''{
  "inputs": [
    {
      "previousOutpoint": {
        "transactionId": "729121cb282cabf87784e5f53d7b436943df4143b3dbcc82b5f869d28685c5c4",
        "index": 5
      },
      "signatureScript": "41f2c4b4adfebb87a63460314a6e3fc4a67304650c3662d9e276f0c63a7e6ce99e55c95c148d26f1da85fbce387a113fb664cd216fd8ea31fa1accdf40d0d5d36801",
      "sigOpCount": 1
    }
  ],
  "outputs": [
    {
      "amount": "11876851949",
      "scriptPublicKey": {
        "scriptPublicKey": "203195dc5eb7ba6451935810165a1d346e13394b9060e52b55667e7dfa8e2ca3b2ac"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkey",
        "scriptPublicKeyAddress": "kaspa:qqcethz7k7axg5vntqgpvksax3hpxw2tjpsw2264vel8m75w9j3myxtdg2e3w"
      }
    },
    {
      "amount": "11662651309",
      "scriptPublicKey": {
        "scriptPublicKey": "201b934a2b15467407a64f5778cbe4867e101dc8e4aeb74afc9e9b1d55b1b40f3cac"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkey",
        "scriptPublicKeyAddress": "kaspa:qqdexj3tz4r8gpaxfath3jlyselpq8wgujhtwjhun6d364d3ks8nclmw907lm"
      }
    },
    {
      "amount": "11375894283",
      "scriptPublicKey": {
        "scriptPublicKey": "203a76a633b77ebfc69bed8a5ee7ddd0a394b3b316667fff51287a66ccb16c44c6ac"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkey",
        "scriptPublicKeyAddress": "kaspa:qqa8df3nkaltl35mak99ae7a6z3efvanzen8ll639paxdn93d3zvv4zy9csnp"
      }
    },
    {
      "amount": "185832292681",
      "scriptPublicKey": {
        "scriptPublicKey": "20985cb6aa3615cde9ae0be55dfe3a42c1c0605416ccdf40303e8fe40e0eeacd9eac"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkey",
        "scriptPublicKeyAddress": "kaspa:qzv9ed42xc2um6dwp0j4ml36gtquqcz5zmxd7sps8687grswatxeu7535nzet"
      }
    },
    {
      "amount": "112660178849",
      "scriptPublicKey": {
        "scriptPublicKey": "20fcbe4bfb6e2d4d69f31372f557fb90ccfecd2e2a25d97f728a4ceb3893f18a90ac"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkey",
        "scriptPublicKeyAddress": "kaspa:qr7tujlmdck5660nzde024lmjrx0anfw9gjajlmj3fxwkwyn7x9fq8y6uy66k"
      }
    },
    {
      "amount": "46586409843469",
      "scriptPublicKey": {
        "scriptPublicKey": "210271b91745db170fd9ab3456842faf212a40f9d65dcd03beb63c625d4d10cf86d4ab"
      },
      "verboseData": {
        "scriptPublicKeyType": "pubkeyecdsa",
        "scriptPublicKeyAddress": "kaspa:qyp8rwghghd3wr7e4v69dpp04usj5s8e6ewu6qa7kc7xyh2dzr8cd4qhmuzczr0"
      }
    }
  ],
  "subnetworkId": "0000000000000000000000000000000000000000",
  "verboseData": {
    "transactionId": "9a928d40bd2fbfd543cfc9a51e8902d315f905da583199b53a032f0a8136a2e8",
    "hash": "495e1b41c633dcc979b926fc457cca9acbfb4bb87f5213e395ace5b22a2741be",
    "mass": "3695",
    "blockHash": "08821d5ce3e8460e4df7538dce3a586ead2b86e31d41c4a41c9690281471e3a6",
    "blockTime": "1682408482153"
  }
}

''')

compute_mass = calc_compute_mass(tx)
storage_mass = calc_storage_mass(inputs := [46919817812540],
                                 outputs := [11876851949, 11662651309, 11375894283, 185832292681, 112660178849,
                                             46586409843469])

print(f'TX: {tx}')
print(f'Compute mass: {compute_mass}')
print(f'Storage mass: {storage_mass}')

tx_mass = max(compute_mass, storage_mass)

print(f'Resulting mass: {tx_mass}')

fee_info_from_node = requests.get('https://api.kaspa.org/info/fee-estimate').json()
print(f'\nFee info from node: {fee_info_from_node}')

print(f'\nPriority fee for this TX: {tx_mass * fee_info_from_node["priorityBucket"]["feerate"]} Sompi')
print(f'Normal fee for this TX: {tx_mass * fee_info_from_node["normalBuckets"][0]["feerate"]} Sompi')
print(f'Low fee for this TX: {tx_mass * fee_info_from_node["lowBuckets"][0]["feerate"]} Sompi')