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EVM Indexer Client

This is a client for a private EVM Indexer API. It is used to index and query data from EVM blockchains.

Public API

The API is JSON-RPC 2.0 compliant and is served on port 8080 by default. The available methods are:

  • idx_getBlockNumber - Get the current block number for a given chain

  • idx_getChains - Get the chain IDs for the supported chains

  • idx_getBlockTimestamps - Get the timestamp for a range of block numbers

  • idx_getBlockAtTimestamp - Get the block number at a timestamp

  • idx_findTokens - Find tokens by using find params

  • idx_getTokenCount - Get the total number of tokens

  • idx_findPairs - Find pairs by using find params

  • idx_getPairCount - Get the total number of pairs

  • idx_getWalletBalances - Get wallet balances for an address (WIP)

  • idx_getTokenHolders - Get token holders for a token (WIP)

  • idx_getOHLCVT - Get OHLCV chart data for a pair (WIP)

Private API

Private API methods require the Master API key to be set in the config file. The available methods are:

  • auth_generateKey - Generate a new API key

  • auth_deleteKey - Delete an API key

  • auth_getKeyStats - Get usage information for an API key

  • auth_getAuthMethod - Get the current auth method

  • auth_getKeyType - Get the type of API keys used for auth (uuid, hex32, hex64 ...etc)

JSON-RPC API

inxi_getBlockNumber

Get the current block numbers for all configured chains

parameters: none

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getBlockNumber",
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getBlockNumber",
  "result": {
    "1": 17461068,
    "56": 32868781
  }
}

idx_getChains

Get the chain info for all configured chains

parameters: none

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getChains",
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getChains",
  "result": [
    {
      "chain_id": 1,
      "name": "Ethereum",
      "short_name": "ETH",
      "explorer_url": "https://etherscan.io"
    },
    {
      "chain_id": 56,
      "name": "Binance Smart Chain",
      "short_name": "BSC",
      "explorer_url": "https://bscscan.com"
    }
  ]
}

idx_getBlockTimestamps

Get the block timestamps for a range of block numbers

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.
from_block int64 The starting block number (inclusive).
to_block int64 The ending block number (inclusive).

from_block and to_block are inclusive, meaning to_block and from_block will be included in the results. to_block - from_block + 1 will be the number of results.

Limit of 100,000 blocks per request.

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getBlockTimestamps",
  "params": {
    "chain_id": 1,
    "from_block": 17000000,
    "to_block": 17000010
  },
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getBlockTimestamps",
  "result": [
    {
      "block": 17000000,
      "timestamp": 1680911891
    },
    {
      "block": 17000001,
      "timestamp": 1680911903
    },
    {
      "block": 17000002,
      "timestamp": 1680911915
    }
  ]
}

idx_getBlockAtTimestamp

Get the block number closest to a given timestamp

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.
timestamp int64 Timestamp

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getBlockAtTimestamp",
  "params": {
    "chain_id": 1,
    "timestamp": 1680911893
  },
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getBlockAtTimestamp",
  "result": {
    "block": 17000000,
    "timestamp": 1680911891
  }
}

idx_findTokens

Find tokens using various filters and options.

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.
filter Object Criteria to filter tokens.
options Object Additional query options.

TokenFilter Object:

Field Type Description
address string The token's address.
creator string The creator's address.
from_block int64 The starting block number for token creation.
to_block int64 The ending block number for token creation.
name string The name of the token.
symbol string The token's symbol.
decimals uint8 The number of decimals for the token.
fuzzy bool Enable fuzzy search for string fields.

Options Object:

Field Type Description
limit int64 Maximum number of results to return.
offset int64 Offset for pagination.
sort_by string Field to sort the results by.
sort_order string Order to sort the results (asc, desc).
  • Maximum limit is 10,000 tokens per request. To get more than 10,000 tokens, use the offset parameter to paginate through the results.
  • Default sort is by created_at in asc order.

Sortable Fields:

  • address
  • creator
  • name
  • symbol
  • decimals
  • created_at

Sort Orders:

  • asc
  • desc

Example Request

{
  "jsonrpc": "2.0<
8000
span class="pl-pds">",
  "method": "idx_findTokens",
  "params": {
    "chain_id": 1,
    "filter": {
      "name": "I am not in danger",
      "symbol": "walter",
      "fuzzy": true
    },
    "options": {
      "limit": 100,
      "sort_by": "created_at",
      "sort_order": "desc"
    }
  },
  "id": "23"
}

Example Response

{
  "id": "23",
  "method": "idx_findTokens",
  "result": [
    {
      "address": "0x50E7e4E7fa109A59B255bE882846f4186677f406",
      "name": "Who are you talking to right now? Who is it you think you see? Do you know how much I make a year? I mean, even if I told you, you wouldn't believe it. Do you know what would happen if I suddenly decided to stop going into work? A business big enough that it could be listed on the NASDAQ goes belly up. Disappears. It ceases to exist, without me. No, you clearly don't know who you're talking to, so let me clue you in. I am not in danger, Skyler. I AM the danger. A guy opens his door and gets shot, and you think that of me? No! I am the one who knocks!",
      "symbol": "WALTER",
      "decimals": 9,
      "creator": "0x8e89ac066DE630Db9658aB5FA8FeB4ae85279b30",
      "created_at": 17931545,
      "creation_hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "chain_id": 1
    },
    {
      "address": "0x0D8da06819bC5bf57cBDC1C9E499F3B3982584Ac",
      "name": "I am not in danger, Skyler. I am the danger. A guy opens his door and gets shot, and you think that of me? No! I am the one who knocks!",
      "symbol": "WALTER",
      "decimals": 9,
      "creator": "0x254fFf07998de67cF68e9e4CB0dC075430c01eFd",
      "created_at": 15156104,
      "creation_hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "chain_id": 1
    }
  ]
}

idx_getTokenCount

Get the total number of tokens for a given chain.

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getTokenCount",
  "params": {
    "chain_id": 56
  },
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getTokenCount",
  "result": 1418709
}

idx_findPairs

Find pairs using various filters and options.

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.
filter Object Criteria to filter pairs.
options Object Additional query options.

PairFilter Object:

Field Type Description
token0_address string The address of token0
token1_address string The address of token1
pool_address string The address of the LP
from_block int64 The starting block
to_block int64 The ending block
fee int64 The fee of the pair (v3 only)
tick_spacing int64 The tick spacing of the pair (v3 only)
hash string The hash of the pair
pool_type uint8 The pool type of the pair (2 for v2, 3 for v3)
fuzzy bool Enable fuzzy search for string fields.

Options Object:

Field Type Description
limit int64 Maximum number of results to return.
offset int64 Offset for pagination.
sort_by string Field to sort the results by.
sort_order string Order to sort the results (asc, desc).

Sortable Fields:

  • token0_address
  • token1_address
  • pool_address
  • fee
  • tick_spacing
  • hash
  • pool_type
  • created_at

Sort Orders:

  • asc
  • desc

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_findPairs",
  "params": {
    "chain_id": 1,
    "filter": {
      "token1_address": "0xcf299bd11ceceeed13e0c6d155e70240de11e059"
    },
    "options": {
      "limit": 1,
      "sort_by": "created_at",
      "sort_order": "desc"
    }
  },
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_findPairs",
  "result": [
    {
      "token0_address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
      "token1_address": "0xcf299bd11ceceeed13e0c6d155e70240de11e059",
      "fee": 0,
      "tick_spacing": 0,
      "pool_address": "0xf8a8d7bbc800007b4b9325ac4938b5e0ac24002b",
      "pool_type": 2,
      "created_at": 17991353,
      "hash": "0xf2d398d34ff648c358d792e673d786c2ea0a434d27e8a316d7ba3b792cd7300c",
      "chain_id": 1
    }
  ]
}

idx_getPairCount

Get the total number of pairs for a given chain.

Parameters:

Parameter Type Description
chain_id int64 The blockchain network ID.

Example Request

{
  "jsonrpc": "2.0",
  "method": "idx_getPairCount",
  "params": {
    "chain_id": 56
  },
  "id": "1"
}

Example Response

{
  "id": "1",
  "method": "idx_getPairCount",
  "result": 1418709
}

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EVM Indexer Client

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