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NEAR — Access Keys, Accounts/Contracts, Block/Chunk, Gas, Protocol (2/2)

API reference for NEAR. All methods ->

Part 2 of 2: 1 · 2

Block/Chunk​

The API enables you to query the network and get details about specific blocks or chunks.

Block details​

Retrieves the block for a given height or hash.

You can also use finality param to return latest block details.

Parameters​

  • id (integer; required): a request ID; unlike other chains, NEAR "dontcare" about a number you use (example: 1).

  • jsonrpc (string; required): a JSON RPC spec used (example: 2.0).

  • method (string; required): a method used for the request — block.

  • params (array; required):

Request example (finality)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "block",
  "params": {
    "finality": "final"
  }
}'

Request example (block_id)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "block",
  "params": {
    "block_id": 17821130
  }
}'

Request example (block_hash)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "block",
  "params": {
    "block_id": "7nsuuitwS7xcdGnD9JgrE22cRB2vf2VS4yh1N9S71F4d"
  }
}'

Response example​

{
  "jsonrpc": "2.0",
  "result": {
    "author": "bitcat.pool.f863973.m0",
    "header": {
      "height": 17821130,
      "epoch_id": "7Wr3GFJkYeCxjVGz3gDaxvAMUzXuzG8MjFXTFoAXB6ZZ",
      "next_epoch_id": "A5AdnxEn7mfHieQ5fRxx9AagCkHNJz6wr61ppEXiWvvh",
      "hash": "CLo31YCUhzz8ZPtS5vXLFskyZgHV5qWgXinBQHgu9Pyd",
      "prev_hash": "2yUTTubrv1gJhTUVnHXh66JG3qxStBqySoN6wzRzgdVD",
      "prev_state_root": "5rSz37fySS8XkVgEy3FAZwUncX4X1thcSpuvCgA6xmec",
      "chunk_receipts_root": "9ETNjrt6MkwTgSVMMbpukfxRshSD1avBUUa4R4NuqwHv",
      "chunk_headers_root": "HMpEoBhPvThWZvppLwrXQSSfumVdaDW7WfZoCAPtjPfo",
      "chunk_tx_root": "7tkzFg8RHBmMw1ncRJZCCZAizgq4rwCftTKYLce8RU8t",
      "outcome_root": "7tkzFg8RHBmMw1ncRJZCCZAizgq4rwCftTKYLce8RU8t",
      "chunks_included": 1,
      "challenges_root": "11111111111111111111111111111111",
      "timestamp": 1601280114229875635,
      "timestamp_nanosec": "1601280114229875635",
      "random_value": "ACdUSF3nehbMTwT7qjUB6Mm4Ynck5TVAWbNH3DR1cjQ7",
      "validator_proposals": [],
      "chunk_mask": [true],
      "gas_price": "100000000",
      "rent_paid": "0",
      "validator_reward": "0",
      "total_supply": "1042339182040791154864822502764857",
      "challenges_result": [],
      "last_final_block": "AaxTqjYND5WAKbV2UZaFed6DH1DShN9fEemtnpTsv3eR",
      "last_ds_final_block": "2yUTTubrv1gJhTUVnHXh66JG3qxStBqySoN6wzRzgdVD",
      "next_bp_hash": "3ZNEoFYh2CQeJ9dc1pLBeUd1HWG8657j2c1v72ENE45Q",
      "block_merkle_root": "H3912Nkw6rtamfjsjmafe2uV2p1XmUKDou5ywgxb1gJr",
      "approvals": [
        "ed25519:4hNtc9vLhn2PQhktWtLKJV9g8SBfpm6NBT1w4syNFqoKE7ZMts2WwKA9x1ZUSBGVKYCuDGEqogLvwCF25G7e1UR3",
        "ed25519:2UNmbTqysMMevVPqJEKSq57hkcxVFcAMdGq7CFhpW65yBKFxYwpoziiWsAtARusLn9Sy1eXM7DkGTXwAqFiSooS6",
        "ed25519:4sumGoW9dnQCsJRpzkd4FQ5NSJypGQRCppWp7eQ9tpsEcJXjHZN8GVTCyeEk19WmbbMEJ5KBNypryyHzaH2gBxd4",
        "ed25519:3fP2dri6GjYkmHgEqQWWP9GcoQEgakbaUtfr3391tXtYBgxmiJUEymRe54m7D8bQrSJ3LhKD8gTFT7qqdemRnizR",
        "ed25519:3mwdqSWNm6RiuZAoZhD6pqsirC2cL48nEZAGoKixpqbrsBpAzqV3W2paH4KtQQ4JPLvk5pnzojaint2kNBCcUyq1",
        "ed25519:D4hMnxqLyQW4Wo29MRNMej887GH46yJXDKNN4es8UDSi9shJ9Y4FcGqkxdV4AZhn1yUjwN5LwfgAgY6fyczk5L3",
        null,
        "ed25519:4WCVm4dn88VJxTkUgcvdS7vs34diBqtQY4XWMRctSN1NpbgdkwwVyxg7d2SbGC22SuED7w4nrToMhcpJXrkhkDmF",
        "ed25519:JqtC7TFP7U14s7YhRKQEqwbc2RUxoctq75mrBdX91f7DuCWsPpe6ZTTnfHPmuJPjTzFHVZTsaQJWzwfSrrgNpnc",
        "ed25519:ngGUpWc2SyHmMCkWGTNNNfvZAJQ5z7P92JCmDqB7JW3j8fNH6LobvFFXb2zVdssibJKgnjwBj8CRe6qiZtuYQZM",
        "ed25519:5kzW6RbjukyJZiw9NTzTPPsQdoqN6EecafjVFEoWmTxQ4uSv1uSXhQYcHK2eq4m84oMmPABQDz2mm73Qx8mDdCQX",
        "ed25519:5wHnuuxwJJiZ4bXNq5cESnr4YovFU2yaUcuHRDUw3DnLoxkqc15CsegoyUSQKEwtCZ4yETv8Z9QcD6Wr9zHV4AUk",
        "ed25519:3F9XzWBxto31e8RAcBShAJBzJPgSJQsWbPXR38AfQnJn6AiveGz3JjebQm9Ye63BrnNA57QrPshwknxpzSrcNEZW",
        "ed25519:2g5s4SKsHt9PMdekkDqVtwwtz14v4edhqdBX1MYA8tB6nDpj3vDCDCTy9pEU8dX31PoQe5ygnf88aTZukMBMK1Yt",
        "ed25519:3Xz4jqhdyS3qs6xTmWdgjwt5gJraU5czMA89hPhmvbAN4aA7SUKL1HkevpmutRQqqxe7c7uCFeGiDHvDcxhhmD8W",
        null,
        "ed25519:55xs3vwPEys39egf9Z8SNyn1JsHPRMgj9HCX1GE7GJsVTcAuutQUCo91E12ZdXkuToYRXb9KzoT8n9XQRCNuLpwY",
        null,
        "ed25519:28JrFw7KnhnQPN89qZnnw17KDBjS6CDN7zB1hTg7KGg8qQPoCzakz9DNnaSnx39ji7e2fQSpZt4cNJaD7K7Yu7yo",
        "ed25519:41hAr5qhtvUYpdD2NK9qqTVnpG325ZoAiwrcmk1MJH7fdpxm7oSKXvXZqh7bTmPhv61hH2RpHnhcGuN4QqLzK2zt",
        "ed25519:4QacMsQ5FJgvecAYDFq8QBh19BBjh4qU8oeD5bV7p6Zhhu3e6r2iSHTvDBU2Q62RZAaWQQkkEwDUC9rsXdkGVhAt",
        "ed25519:27smtCZ3WobEvBuD5DggY6kkGxjB9qRVY6kPixgwqvBT1eKbRVoV8cLj1z51S8RTcp7YzAr1vhHJUHgksatR9Udz",
        "ed25519:4wspCWoAbhYxb3th2eX6ZXvKep1Fsco7mFP5zBodXBR8Wr344ANXSUCri3gUgNCCSoQ2CKSdqDEsvE6Y2jQ9hmbB",
        "ed25519:46XpYf9ZB9gjDfdnJLHqqhYJpQCuvCgB9tzKWS88GANMCb2j9BM3KXyjaEzynSsaPK8VrKFXQuTsTzgQSeo9cWGW",
        null,
        "ed25519:Y5ehsrhEpTRGjG6fHJHsEXj2NYPGMmKguiJHXP7TqsCWHBvNzaJbieR7UDp78hJ1ib7C18J5MB2kCzTXBCF9c3b",
        "ed25519:3P9363Dc8Kqvgjt3TsNRncUrncCHid7aSRnuySjF4JYmQbApkAxomyMu8xm9Rgo3mj9rqXb16PM7Xjn7hKP6TyVr",
        null,
        null,
        "ed25519:65ATjGsigZ3vMp7sGcp1c4ptxoqhHPkBeAaZ5GWJguVDLyrRLPJrtXhLGjH9DpXd7CZswjyMYq5aRtorLnmmJ7GW",
        null,
        "ed25519:5SvqSViXbtsLoFMdtCufyyDgZnrEK7LheFi38X5M2ic17gfV5cz37r85RyixjUv98MbAmgVdmkxVFDGfSbeoHW7X",
        null,
        null,
        "ed25519:2n3fQiBEiDKkB84biXWyQmvnupKX7B8faugY37jVi8hVXuWLggJmaEjqub511RCYwFnwW1RBxYpuJQ455KaniCd4",
        "ed25519:2K9xKFLJ2fW74tddXtghFGFurKWomAqaJmkKYVZKHQT6zHe5wNSYT3vzMotLQcez5JD1Ta57N9zQ4H1RysB2s5DZ",
        null,
        null,
        "ed25519:3qeCRtcLAqLtQ2YSQLcHDa26ykKX1BvAhP9jshLLYapxSEGGgZJY8sU72p9E78AkXwHP3X2Eq74jvts7gTRzNgMg",
        null,
        "ed25519:2czSQCF8wBDomEeSdDRH4gFoyJrp2ppZqR6JDaDGoYpaFkpWxZf2oGDkKfQLZMbfvU6LXkQjJssVHcLCJRMzG8co"
      ],
      "signature": "ed25519:58sdWd6kxzhQdCGvHzxqvdtDLJzqspe74f3gytnqdxDLHf4eesXi7B3nYq2YaosCHZJYmcR4HPHKSoFm3WE4MbxT",
      "latest_protocol_version": 35
    },
    "chunks": [
      {
        "chunk_hash": "EBM2qg5cGr47EjMPtH88uvmXHDHqmWPzKaQadbWhdw22",
        "prev_block_hash": "2yUTTubrv1gJhTUVnHXh66JG3qxStBqySoN6wzRzgdVD",
        "outcome_root": "11111111111111111111111111111111",
        "prev_state_root": "HqWDq3f5HJuWnsTfwZS6jdAUqDjGFSTvjhb846vV27dx",
        "encoded_merkle_root": "9zYue7drR1rhfzEEoc4WUXzaYRnRNihvRoGt1BgK7Lkk",
        "encoded_length": 8,
        "height_created": 17821130,
        "height_included": 17821130,
        "shard_id": 0,
        "gas_used": 0,
        "gas_limit": 1000000000000000,
        "rent_paid": "0",
        "validator_reward": "0",
        "balance_burnt": "0",
        "outgoing_receipts_root": "H4Rd6SGeEBTbxkitsCdzfu9xL9HtZ2eHoPCQXUeZ6bW4",
        "tx_root": "11111111111111111111111111111111",
        "validator_proposals": [],
        "signature": "ed25519:4iPgpYAcPztAvnRHjfpegN37Rd8dTJKCjSd1gKAPLDaLcHUySJHjexMSSfC5iJVy28vqF9VB4psz13x2nt92cbR7"
      }
    ]
  },
  "id": "dontcare"
}

For understanding what could go wrong and the error codes involved, refer to corresponding NEAR docs section.

Changes in block​

Retrieves the changes in a block for a given block height or hash.

You can also use finality param to return latest block details.

You may choose to search by a specific block or finality, you can not choose both.

Parameters​

  • id (integer; required): a request ID; unlike other chains, NEAR "dontcare" about a number you use (example: 1).

  • jsonrpc (string; required): a JSON RPC spec used (example: 2.0).

  • method (string; required): a method used for the request — EXPERIMENTAL_changes_in_block.

  • params (array; required):

Request example (finality)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "EXPERIMENTAL_changes_in_block",
  "params": {
    "finality": "final"
  }
}'

Request example (block_id)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "EXPERIMENTAL_changes_in_block",
  "params": {
    "block_id": 17821135
  }
}'

Request example (block_hash)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "EXPERIMENTAL_changes_in_block",
  "params": {
    "block_id": "81k9ked5s34zh13EjJt26mxw5npa485SY4UNoPi6yYLo"
  }
}'

Response example​

{
  "jsonrpc": "2.0",
  "result": {
    "block_hash": "81k9ked5s34zh13EjJt26mxw5npa485SY4UNoPi6yYLo",
    "changes": [
      {
        "type": "account_touched",
        "account_id": "lee.testnet"
      },
      {
        "type": "contract_code_touched",
        "account_id": "lee.testnet"
      },
      {
        "type": "access_key_touched",
        "account_id": "lee.testnet"
      }
    ]
  },
  "id": "dontcare"
}

For understanding what could go wrong and the error codes involved, refer to corresponding NEAR docs section.

Chunk details​

Retrieves the details of a specific chunk.

Parameters​

  • id (integer; required): a request ID; unlike other chains, NEAR "dontcare" about a number you use (example: 1).

  • jsonrpc (string; required): a JSON RPC spec used (example: 2.0).

  • method (string; required): a method used for the request — chunk.

  • params (array; required):

Request example (chunk_id)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "chunk",
  "params": {"chunk_id": "EBM2qg5cGr47EjMPtH88uvmXHDHqmWPzKaQadbWhdw22"}
}'

Request example (block_id, shard_id)​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "chunk",
  "params": {"block_id": 58934027, "shard_id": 0}
}'

Request example​

{
  "jsonrpc": "2.0",
  "result": {
    "author": "bitcat.pool.f863973.m0",
    "header": {
      "chunk_hash": "EBM2qg5cGr47EjMPtH88uvmXHDHqmWPzKaQadbWhdw22",
      "prev_block_hash": "2yUTTubrv1gJhTUVnHXh66JG3qxStBqySoN6wzRzgdVD",
      "outcome_root": "11111111111111111111111111111111",
      "prev_state_root": "HqWDq3f5HJuWnsTfwZS6jdAUqDjGFSTvjhb846vV27dx",
      "encoded_merkle_root": "9zYue7drR1rhfzEEoc4WUXzaYRnRNihvRoGt1BgK7Lkk",
      "encoded_length": 8,
      "height_created": 17821130,
      "height_included": 17821130,
      "shard_id": 0,
      "gas_used": 0,
      "gas_limit": 1000000000000000,
      "rent_paid": "0",
      "validator_reward": "0",
      "balance_burnt": "0",
      "outgoing_receipts_root": "H4Rd6SGeEBTbxkitsCdzfu9xL9HtZ2eHoPCQXUeZ6bW4",
      "tx_root": "11111111111111111111111111111111",
      "validator_proposals": [],
      "signature": "ed25519:4iPgpYAcPztAvnRHjfpegN37Rd8dTJKCjSd1gKAPLDaLcHUySJHjexMSSfC5iJVy28vqF9VB4psz13x2nt92cbR7"
    },
    "transactions": [],
    "receipts": []
  },
  "id": "dontcare"
}

For understanding what could go wrong and the error codes involved, refer to corresponding NEAR docs section.

Gas​

The API enables you to query the gas price for a specific block or hash.

Gas price​

Retrieves the gas price for a specific block_height or block_hash.

Using [null] will return the most recent block's gas price.

Parameters​

  • id (integer; required): a request ID; unlike other chains, NEAR "dontcare" about a number you use (example: 1).

  • jsonrpc (string; required): a JSON RPC spec used (example: 2.0).

  • method (string; required): a method used for the request — gas_price.

  • params (array; required):

    • [block_height], ["block_hash"], or [null]

Request example ([block_height])​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "gas_price",
  "params": [17824600]
}'

Request example (["block_hash"])​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "gas_price",
  "params": ["AXa8CHDQSA8RdFCt12rtpFraVq4fDUgJbLPxwbaZcZrj"]
}'

Request example ([null])​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "gas_price",
  "params": [null]
}'

Response example​

{
  "jsonrpc": "2.0",
  "result": {
    "gas_price": "100000000"
  },
  "id": "dontcare"
}

For understanding what could go wrong and the error codes involved, refer to corresponding NEAR docs section.

Protocol​

The API enables you to retrieve the current genesis and protocol configuration.

Genesis config​

Retrieves the current genesis configuration.

Parameters​

  • id (integer; required): a request ID; unlike other chains, NEAR "dontcare" about a number you use (example: 1).
  • jsonrpc (string; required): a JSON RPC spec used (example: 2.0).
  • method (string; required): a method used for the request — EXPERIMENTAL_genesis_config.
  • params (array; required): None.

Request example​

curl -X POST https://rpc.ankr.com/near/YOUR_ANKR_API_KEY \
-H "content-type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "EXPERIMENTAL_genesis_config",
  "params": []
}'

Response example​

{
  "jsonrpc": "2.0",
  "result": {
    "protocol_version": 29,
    "genesis_time": "2020-07-31T03:39:42.911378Z",
    "chain_id": "testnet",
    "genesis_height": 10885359,
    "num_block_producer_seats": 100,
    "num_block_producer_seats_per_shard": [100],
    "avg_hidden_validator_seats_per_shard": [0],
    "dynamic_resharding": false,
    "protocol_upgrade_stake_threshold": [4, 5],
    "protocol_upgrade_num_epochs": 2,
    "epoch_length": 43200,
    "gas_limit": 1000000000000000,
    "min_gas_price": "5000",
    "max_gas_price": "10000000000000000000000",
    "block_producer_kickout_threshold": 80,
    "chunk_producer_kickout_threshold": 90,
    "online_min_threshold": [90, 100],
    "online_max_threshold": [99, 100],
    "gas_price_adjustment_rate": [1, 100],
    "runtime_config": {
      "storage_amount_per_byte": "90949470177292823791",
      "transaction_costs": {
        "action_receipt_creation_config": {
          "send_sir": 108059500000,
          "send_not_sir": 108059500000,
          "execution": 108059500000
        },
        "data_receipt_creation_config": {
          "base_cost": {
            "send_sir": 4697339419375,
            "send_not_sir": 4697339419375,
            "execution": 4697339419375
          },
          "cost_per_byte": {
            "send_sir": 59357464,
            "send_not_sir": 59357464,
            "execution": 59357464
          }
        },
        "action_creation_config": {
          "create_account_cost": {
            "send_sir": 99607375000,
            "send_not_sir": 99607375000,
            "execution": 99607375000
          },
          "deploy_contract_cost": {
            "send_sir": 184765750000,
            "send_not_sir": 184765750000,
            "execution": 184765750000
          },
          "deploy_contract_cost_per_byte": {
            "send_sir": 6812999,
            "send_not_sir": 6812999,
            "execution": 6812999
          },
          "function_call_cost": {
            "send_sir": 2319861500000,
            "send_not_sir": 2319861500000,
            "execution": 2319861500000
          },
          "function_call_cost_per_byte": {
            "send_sir": 2235934,
            "send_not_sir": 2235934,
            "execution": 2235934
          },
          "transfer_cost": {
            "send_sir": 115123062500,
            "send_not_sir": 115123062500,
            "execution": 115123062500
          },
          "stake_cost": {
            "send_sir": 141715687500,
            "send_not_sir": 141715687500,
            "execution": 102217625000
          },
          "add_key_cost": {
            "full_access_cost": {
              "send_sir": 101765125000,
              "send_not_sir": 101765125000,
              "execution": 101765125000
            },
            "function_call_cost": {
              "send_sir": 102217625000,
              "send_not_sir": 102217625000,
              "execution": 102217625000
            },
            "function_call_cost_per_byte": {
              "send_sir": 1925331,
              "send_not_sir": 1925331,
              "execution": 1925331
            }
          },
          "delete_key_cost": {
            "send_sir": 94946625000,
            "send_not_sir": 94946625000,
            "execution": 94946625000
          },
          "delete_account_cost": {
            "send_sir": 147489000000,
            "send_not_sir": 147489000000,
            "execution": 147489000000
          }
        },
        "storage_usage_config": {
          "num_bytes_account": 100,
          "num_extra_bytes_record": 40
        },
        "burnt_gas_reward": [3, 10],
        "pessimistic_gas_price_inflation_ratio": [103, 100]
      },
      "wasm_config": {
        "ext_costs": {
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        "grow_mem_cost": 1,
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          "max_length_method_name": 256,
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      },
      "account_creation_config": {
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        "registrar_account_id": "registrar"
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    },
    "validators": [
      {
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    ],
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    "max_inflation_rate": [1, 20],
    "total_supply": "1031467299046044096035532756810080",
    "num_blocks_per_year": 31536000,
    "protocol_treasury_account": "near",
    "fishermen_threshold": "10000000000000000000",
    "minimum_stake_divisor": 10
  },
  "id": "dontcare"
}

For understanding what could go wrong and the error codes involved, refer to corresponding NEAR docs section.