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Documentation Index

Fetch the complete documentation index at: https://docs.pulsy.app/llms.txt

Use this file to discover all available pages before exploring further.

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Data Types

Each feed subscribes to one blockchain payload type. The selected data type determines the shape passed to main(stream) in your filter.

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BlockWithTransactions

Use this for native token transfers and transaction-level monitoring. 
{
  "metadata": { "networkId": "ethereum-mainnet", "blockNumber": "123", "isReorg": false },
  "block": {
    "number": "0x7b",
    "hash": "0x...",
    "timestamp": "0x...",
    "transactions": [
      { "hash": "0x...", "from": "0x...", "to": "0x...", "value": "0x..." }
    ]
  }
}

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BlockWithLogs

Use this for contract events, including ERC-20 Transfer logs. 
{
  "metadata": { "networkId": "ethereum-mainnet", "blockNumber": "123", "isReorg": false },
  "logs": [
    { "address": "0x...", "transactionHash": "0x...", "data": "0x...", "topics": ["0x..."] }
  ]
}

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BlockWithTraces

Use this for debug trace workflows. 
{
  "metadata": { "networkId": "ethereum-mainnet", "blockNumber": "123", "isReorg": false },
  "traces": []
}

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Choosing a Type

  • Use transactions for native transfers.
  • Use logs for emitted smart contract events.
  • Use traces for internal calls and execution-level analysis.