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log

log can be used for logging to a file in the instances/instance-n/logs/app.log file of each node. We often find it useful to categorize log entries with different files, and application logs should be grouped accordingly.

// NODE_REWARD TRANSACTION FUNCTION
function nodeReward(address: string, nodeId: string): void {
  const payAddress = address
  const tx = {
    type: 'node_reward',
    network: networkAccount,
    nodeId: nodeId,
    from: address,
    to: payAddress,
    timestamp: Date.now(),
  }
  dapp.put(tx)
  console.log('TX_DATA: ', tx)
  dapp.log('GENERATED_NODE_REWARD: ', nodeId)
}
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You can also use console.log instead of, or in conjunction with dapp.log. There will separate individual .log files for both application logs (app.log) and console logs (out.log).

logs