{
  "schemaVersion": 1,
  "wpId": 6049,
  "sourceIssue": 191,
  "checkedAt": "2026-09-01",
  "environment": {
    "chainId": 31349,
    "network": "local Anvil only",
    "foundry": "1.8.0",
    "solidity": "0.8.36",
    "openzeppelinContracts": "5.6.1",
    "viem": "2.56.0",
    "evmVersion": "cancun",
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "externalRpc": false,
    "mainnetFork": false,
    "publicTransaction": false,
    "realAsset": false
  },
  "standards": {
    "erc1155": {
      "eipStatus": "Final",
      "coreInterfaceId": "0xd9b67a26"
    },
    "erc6909": {
      "eipStatus": "Final",
      "coreInterfaceId": "0x0f632fb3"
    }
  },
  "sameSequence": {
    "initialBalances": {
      "credit": "100",
      "claim": "50"
    },
    "directTransfer": {
      "id": "1",
      "amount": "10"
    },
    "operatorTransfer": {
      "id": "2",
      "amount": "7"
    },
    "batchEquivalent": {
      "ids": [
        "1",
        "2"
      ],
      "amounts": [
        "4",
        "5"
      ]
    },
    "erc6909IdAllowance": {
      "id": "1",
      "approved": "8",
      "spent": "6",
      "remaining": "2"
    }
  },
  "gasUsed": {
    "note": "Local Anvil transaction receipts for this exact OpenZeppelin 5.6.1 fixture; not universal estimates.",
    "deployment": {
      "erc1155": "1180046",
      "erc6909": "1063391"
    },
    "mint": {
      "erc1155": "95904",
      "erc6909": "94334"
    },
    "directTransfer": {
      "erc1155": "56920",
      "erc6909": "52396"
    },
    "operatorTransfer": {
      "erc1155": "59198",
      "erc6909": "55276"
    },
    "idAllowanceTransfer": {
      "erc6909": "43747",
      "erc1155": null
    },
    "twoIdEffect": {
      "erc1155Batch": "88798",
      "erc6909TwoTransfers": "104792"
    },
    "callback": {
      "erc1155Accept": "106415",
      "erc1155Reject": "106279",
      "erc1155ReenterAndForward": "117077",
      "erc6909TransferWithoutCallback": "52612",
      "erc6909TransferToForwardingProbe": "52612"
    }
  },
  "callbacks": {
    "erc1155ObservedBalanceBeforeReturn": "3",
    "erc1155RejectStatus": "reverted",
    "erc1155ReentrantTransferEvents": 2,
    "erc6909ReceiverCallbackCalls": "0",
    "erc6909TransferToReceiverStatus": "success"
  },
  "eventReconstruction": {
    "erc1155": {
      "transferSingleEvents": 8,
      "transferBatchEvents": 1,
      "transferRecords": 9,
      "balancePairsVerified": 9,
      "balancesMatchChain": true
    },
    "erc6909": {
      "transferEvents": 10,
      "transferRecords": 10,
      "balancePairsVerified": 8,
      "balancesMatchChain": true
    },
    "decoder": "viem decodeEventLog"
  },
  "toolingClassification": [
    {
      "subject": "EIP status and required interface behavior",
      "status": "official",
      "evidence": "EIP-1155 and EIP-6909 specifications checked 2026-09-01"
    },
    {
      "subject": "OpenZeppelin compilation, Foundry behavior, viem log decoding and gas receipts",
      "status": "measured",
      "evidence": "this local fixture and committed deterministic record"
    },
    {
      "subject": "wallet, explorer, indexer and marketplace display support",
      "status": "unconfirmed",
      "evidence": "no authenticated product UI was captured in Issue #191"
    }
  ]
}