Solana Inspect a Confirmed Block at the Current Slot

arazzo: 1.0.1
info:
  title: Solana Inspect a Confirmed Block at the Current Slot
  summary: Resolve the current slot, fetch its block, and read the block's timestamp and commitment.
  description: >-
    The block explorer read path. The workflow resolves the slot the node has
    most recently confirmed, fetches the full block at that slot including its
    transactions and rewards, reads the block's estimated production time as a
    Unix timestamp, and reads how much cluster stake has voted on the slot,
    which is what makes a block irreversible. Solana slots can be skipped, so
    getBlock may legitimately return no block for a given slot. Every step
    spells out its JSON-RPC request inline so the flow can be read and executed
    without opening the underlying OpenAPI description.
  version: 1.0.0
sourceDescriptions:
- name: solanaRpcApi
  url: ../openapi/solana-rpc-api-openapi.yml
  type: openapi
workflows:
- workflowId: block-inspection
  summary: Fetch and characterize the block at the node's current confirmed slot.
  description: >-
    Walks from the current slot to a full block, its production time, and its
    commitment level.
  inputs:
    type: object
    properties:
      transactionDetails:
        type: string
        description: How much transaction detail to include in the block.
        enum:
        - full
        - accounts
        - signatures
        - none
        default: full
      maxSupportedTransactionVersion:
        type: integer
        description: >-
          Maximum transaction version to return. Required to avoid an error when
          the block contains versioned transactions.
        default: 0
  steps:
  - stepId: currentSlot
    description: >-
      Resolve the slot the node has most recently processed, used as the target
      for the block read.
    operationId: getSlot
    requestBody:
      contentType: application/json
      payload:
        jsonrpc: "2.0"
        id: 1
        method: getSlot
        params: []
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      slot: $response.body#/result
  - stepId: fetchBlock
    description: >-
      Fetch the confirmed block at the resolved slot with full transaction
      detail, its parent linkage, and the rewards paid to the block producer.
    operationId: getBlock
    requestBody:
      contentType: application/json
      payload:
        jsonrpc: "2.0"
        id: 1
        method: getBlock
        params:
        - $steps.currentSlot.outputs.slot
        - encoding: json
          transactionDetails: $inputs.transactionDetails
          maxSupportedTransactionVersion: $inputs.maxSupportedTransactionVersion
    successCriteria:
    - condition: $statusCode == 200
    - context: $response.body
      condition: $.result.blockhash
      type: jsonpath
    outputs:
      blockhash: $response.body#/result/blockhash
      previousBlockhash: $response.body#/result/previousBlockhash
      parentSlot: $response.body#/result/parentSlot
      blockHeight: $response.body#/result/blockHeight
      transactions: $response.body#/result/transactions
      rewards: $response.body#/result/rewards
  - stepId: blockTime
    description: >-
      Read the estimated production time of the block as a Unix timestamp, which
      is how on-chain slots get mapped onto wall-clock time.
    operationId: getBlockTime
    requestBody:
      contentType: application/json
      payload:
        jsonrpc: "2.0"
        id: 1
        method: getBlockTime
        params:
        - $steps.currentSlot.outputs.slot
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      blockTime: $response.body#/result
  - stepId: blockCommitment
    description: >-
      Read how much stake has voted on the slot and the cluster's total active
      stake, the ratio that determines whether the block can still be rolled
      back.
    operationId: getBlockCommitment
    requestBody:
      contentType: application/json
      payload:
        jsonrpc: "2.0"
        id: 1
        method: getBlockCommitment
        params:
        - $steps.currentSlot.outputs.slot
    successCriteria:
    - condition: $statusCode == 200
    - context: $response.body
      condition: $.result
      type: jsonpath
    outputs:
      commitment: $response.body#/result/commitment
      totalStake: $response.body#/result/totalStake
  outputs:
    slot: $steps.currentSlot.outputs.slot
    blockhash: $steps.fetchBlock.outputs.blockhash
    blockHeight: $steps.fetchBlock.outputs.blockHeight
    blockTime: $steps.blockTime.outputs.blockTime
    totalStake: $steps.blockCommitment.outputs.totalStake