[Filter] klay_getFilterLogs

Returns an array of all logs matching filter with given id, which has been obtained using klay_newFilter.Note that filter ids returned by other filter creation functions, such as klay_newBlockFilter or klay_newPendingTransactionFilter, cannot be used with this function.

The execution of this API can be limited by two node configurations to manage resources of Klaytn node safely.

• The number of maximum returned results in a single query (Default: 10,000).

• The execution duration limit of a single query (Default: 10 seconds).

JSONRPC: klay_getFilterLogs

Request

application/json

Body

method stringrequired

Default value: klay_getFilterLogs

Method name

id int64required

Default value: 1

Request ID, Random or Auto incrementation

jsonrpc stringrequired

Default value: 2.0

JSON-RPC Version (2.0)

params QUANTITY[]

The filter id

Responses

200

Returns an array of all logs matching filter with given id. See klay_getFilterChanges.

application/json

Schema

Schema

jsonrpc stringrequired

Default value: 2.0

id int64required

error

object

code int64required

A Number that indicates the error type that occurred. This MUST be an integer.

| code | message | description | |-----|-----|-------| | -32700 | Parse error | invalid JSON was received by the server. An error occurred on the server while parsing the JSON text. | |-32602 | Invalid params | Invalid method parameter(s). |

message string

A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

data string

A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

result

object[]

Array of log objects, or an empty array if nothing has changed since last poll.

Array [

anyOf

BlockHash

string

TransactionHash

string

LogObject

removed booleanrequired

true when the log was removed, due to a chain reorganization. false if its a valid log.

logIndex hexrequired

Integer of the log index position in the block. null when it is a pending log.

transactionIndex hexrequired

Integer of the transactions index position log was created from. null when pending.

transactionHash 32-byte DATArequired

Hash of the transactions this log was created from. null when pending.

blockHash 32-byte DATArequired

Hash of the block where this log was in. null when pending.

blockNumber hexrequired

The block number where this log was in. null when pending.

address 20-byte DATArequired

Address from which this log originated.

data DATArequired

Contains the non-indexed arguments of the log.

topics 32-byte DATA[]required

Array of 0 to 4 32-byte DATA of indexed log arguments. (In Solidity The first topic is the hash of the signature of the event (e.g., Deposit(address,bytes32,uint256)), except you declared the event with the anonymous specifier.).

]

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": [
    {
      "address": "0x87ac99835e67168d4f9a40580f8f5c33550ba88b",
      "topics": [
        "0xfa9b2165fc71c1d6ffa03291c7f5d223ea363ec063d747eec9ce2d30d24855ef"
      ],
      "data": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000060000000000000000000000000d3564e57bb5c6f4d983a493a946534f8e1e8b481000000000000000000000000000000000000000000000000000000000000001341646472657373426f6f6b436f6e747261637400000000000000000000000000",
      "blockNumber": "0xd3b5",
      "transactionHash": "0x57ca8ff0a0d454d4c5418694c21bc4ef3de26cf7cd18dd404d6a7189a826bfe0",
      "transactionIndex": "0x0",
      "blockHash": "0x279251a907c6ab1fb723595511ff401432e7c2437d54189298f53a7d33ce3a60",
      "logIndex": "0x0",
      "removed": false
    },
    {
      "address": "0x87ac99835e67168d4f9a40580f8f5c33550ba88b",
      "topics": [
        "0xfa3e1e272694072320aad73a3fadd8876c4bf8f40899c6c7ce2fda9f4e652cfa"
      ],
      "data": "0x00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000300000000000000000000000041383b6ee0ea5108d6b139165a9c85351aacd39800000000000000000000000057f7439898e652fa9b5654022297588532e5e0370000000000000000000000005b5b7a718a4124eb746ae00b1ce6edcaa5ab55bc",
      "blockNumber": "0xd3b5",
      "transactionHash": "0x57ca8ff0a0d454d4c5418694c21bc4ef3de26cf7cd18dd404d6a7189a826bfe0",
      "transactionIndex": "0x0",
      "blockHash": "0x279251a907c6ab1fb723595511ff401432e7c2437d54189298f53a7d33ce3a60",
      "logIndex": "0x1",
      "removed": false
    }
  ]
}

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