Backend ENVs: Common
Categories
Time format
Can be set in format 1h for 1 hour, 1m for 1 minute, 1s or 1 for 1 second, 1ms for 1 millisecond
Note: Before release 5.1.2, all environment variables of time format supported only integers in seconds (without dimensions) as values.
General Management
APPLICATION_MODE
Defines the current application mode. Available values are: all, indexer, api. Implemented in #10631.
Version: v6.8.0+
Default: all
Applications: API, Indexer
DATABASE_URL
Defines the Postgres Database endpoint.
Required: ✅ Version: All Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_VARIANT
Tells the application which RPC Client the node is using (i.e. erigon, geth, nethermind, besu, filecoin, or ganache) (See Client Settings for more info)
Required: ✅
Version: All
Default: geth
Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_URL
The RPC endpoint used to fetch blocks, transactions, receipts, tokens.
Required: ✅
Version: All
Default: localhost:8545
Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_HTTP_URL
Fallback JSON RPC HTTP url. Implemented in #7246
Version: v5.1.4+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_URLS
Analogue of ETHEREUM_JSONRPC_HTTP_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_HTTP_URLS
Analogue of ETHEREUM_JSONRPC_FALLBACK_HTTP_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_TRACE_URL
The RPC endpoint specifically for the Erigon/Geth/Nethermind/Besu client used by trace_block and trace_replayTransaction. This can be used to designate a tracing node.
Version: All
Default: localhost:8545
Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_TRACE_URL
Fallback JSON RPC trace url. Implemented in #7246
Version: v5.1.4+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_TRACE_URLS
Analogue of ETHEREUM_JSONRPC_TRACE_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_TRACE_URLS
Analogue of ETHEREUM_JSONRPC_FALLBACK_TRACE_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_ETH_CALL_URL
JSON RPC url for eth_call method. Implemented in #9112
Version: v6.0.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_ETH_CALL_URL
Fallback JSON RPC eth_call url. Implemented in #9511
Version: v6.3.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_ETH_CALL_URLS
Analogue of ETHEREUM_JSONRPC_ETH_CALL_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_FALLBACK_ETH_CALL_URLS
Analogue of ETHEREUM_JSONRPC_FALLBACK_ETH_CALL_URL for multiple values. Implemented in #10934
Version: v6.10.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_WS_URL
The WebSockets RPC endpoint used to subscribe to the newHeads subscription alerting the indexer to fetch new blocks.
Version: All
Default: ws://localhost:8546
Applications: Indexer
ETHEREUM_JSONRPC_FALLBACK_WS_URL
The fallback WebSockets RPC endpoint used to subscribe to the newHeads subscription alerting the indexer to fetch new blocks. Implemented in #10407.
Version: v6.8.0+ Default: (empty) Applications: Indexer
ETHEREUM_JSONRPC_WS_RETRY_INTERVAL
The interval between retries of connecting to WebSocket RPC endpoint after the previous attempt is failed. Implemented in #10407.
Version: v6.8.0+ Default: 1m Applications: Indexer
ETHEREUM_JSONRPC_TRANSPORT
Specifies the transport for Blockscout to connect to the Ethereum Node. Available transports are http and ipc. If ipc is selected, also set IPC_PATH variable.
Version: v3.1.0+
Default: http
Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_INSECURE
If true is set, allows insecure HTTP connections to the archive node. For instance, it allows to bypass expired SSL certificate at the archive node endpoint. Implemented in #6573
Version: v5.0.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_TIMEOUT
Timeout for ethereum json rpc http requests in seconds. Implemented in #7089
Version: v5.1.2+
Default: 60
Applications: API, Indexer
ETHEREUM_JSONRPC_USER
User in basic auth for JSON RPC endpoint. Implemented in #6897
Version: v5.1.2+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_PASSWORD
Password in basic auth for JSON RPC endpoint. Implemented in #6897
Version: v5.1.2+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_HEADERS
Custom headers for JSON RPC endpoint in form of json object, example: {"x-api-key": "nbvkhadvnbkdfav", "x-id": "ndjkfvndfkjv"}. Implemented in #7898
Version: v5.2.1+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_WAIT_PER_TIMEOUT
Wait time for each recent timeout from node. Implemented in #8292
Version: v5.2.3+
Default: 20s
Applications: API, Indexer
ETHEREUM_JSONRPC_HTTP_GZIP_ENABLED
If true, then send gzip encoding header and expect encoding in response. Implemented in #11292.
Version: v6.10.0+
Default: false
Applications: API, Indexer
TEST_DATABASE_URL
Defines the endpoint of the Postgres Database that is used during testing. Implemented in #9662.
Version: v6.6.0+ Default: (empty) Applications: API, Indexer
DATABASE_READ_ONLY_API_URL
Defines the Postgres Database read-only replica endpoint. If provided, most of the read queries from API v2 and UI go through this endpoint.
Required: ✅ Version: All Default: (empty) Applications: API
TEST_DATABASE_READ_ONLY_API_URL
Defines the endpoint of the Postgres Database read-only replica used during testing. If provided, most read queries from API v2 and UI go through this endpoint. Implemented in #9662.
Version: v6.6.0+ Default: (empty) Applications: API
REPLICA_MAX_LAG
Defines the max lag for read-only replica. If the actual lag is higher than this, replica is considered unavailable and all requests to it are redirected to main DB. Implemented in #11020
Version: v6.10.0+ Default: 5m Applications: API
SECRET_KEY_BASE
The value used to sign cookies. Use mix phx.gen.secret to generate a new Secret Key Base string to protect production assets.
Required: ✅ Version: All Default: (empty) Applications: API
DATABASE_QUEUE_TARGET
Management of DB queue target. Implemented in #8991.
Version: v5.4.0+
Default: 50ms
Applications: API, Indexer
NETWORK
Environment variable for the main EVM network such as Ethereum or POA.
Version: All
Default: POA
Applications: API
SUBNETWORK
Environment variable for the subnetwork such as Core or Sokol Network. This will be displayed as selected in the chains list dropdown.
Version: All
Default: POA Sokol
Applications: API
IPC_PATH
Path to the IPC file of the running node if IPC transport is chosen.
Version: v2.1.1+ Default: (empty) Applications: API, Indexer
NETWORK_PATH
Used to set a network path other than what is displayed in the root directory. An example would be to add /eth/mainnet/ to the root directory.
Version: All
Default: /
Applications: API
BLOCKSCOUT_HOST
Host for API endpoint examples.
Version: v2.1.0+
Default: localhost
Applications: API
BLOCKSCOUT_PROTOCOL
Url scheme for blockscout.
Version: v2.1.0+
Default: prod env https, dev env http
Applications: API
CHECK_ORIGIN
Used to check the origin of requests when the origin header is present. It defaults to false. In case of true, it will check against the host value.
Version: All
Default: false
Applications: API
PORT
Default port the application runs on is 4000.
Version: All
Default: 4000
Applications: API
COIN
Coin is checked via the CoinGecko API to obtain USD prices on graphs and other areas of the UI.
Version: All
Default: POA
Applications: API, Indexer
COIN_NAME
Displayed name of the coin. Also used for "Add chain to MetaMask" button and for Account functionality as native coin name in the email letters for watch list.
Version: v4.1.2+ Default: (empty) Applications: API
EMISSION_FORMAT
Should be set to POA if you have block emission identical to POA Network. This env var is used only if CHAIN_SPEC_PATH is set.
Version: v2.0.4+
Default: DEFAULT
Applications: API, Indexer
CHAIN_SPEC_PATH
Chain specification path (absolute file system path or URL) to import block emission reward ranges and genesis account balances from. Geth- and OpenEthereum-style specs are supported.
Version: v2.0.4+ Default: (empty) Applications: API, Indexer
PRECOMPILED_CONTRACTS_CONFIG_PATH
Precompiled contracts description path (absolute file system path or URL) to import ABI and source code of the precompiled contracts.
Version: v6.5.0+
Default: (empty) or /app/config/assets/precompiles-arbitrum.json for arbitrum chaintype
Applications: API, Indexer
SUPPLY_MODULE
Used by RSK in order to tell the application how to calculate the total supply of the chain. Available value is RSK
Version: All Default: (empty) Applications: API, Indexer
POOL_SIZE
Defines the number of database connections allowed excluding read-only API endpoints requests.
Version: All
Default: 50
Applications: API, Indexer
POOL_SIZE_API
Defines the number of database connections allowed for read-only API endpoints requests.
Version: v4.1.0+
Default: 50
Applications: API
ECTO_USE_SSL
Production environment variable to use SSL on Ecto queries.
Version: All
Default: TRUE
Applications: API, Indexer
HEART_BEAT_TIMEOUT
Production environment variable to restart the application in the event of a crash.
Version: All
Default: 30
Applications: API, Indexer
HEART_COMMAND
Production environment variable to restart the application in the event of a crash.
Version: All Default: (empty) Applications: API, Indexer
ELIXIR_VERSION
Elixir version to install on the node before Blockscout deploy. It is used in bash script in Terraform / Ansible deployment script
Version: All Default: (empty) Applications: API, Indexer
DISABLE_WEBAPP
If true endpoints to webapp are hidden. Also, enabling it makes notifications go through db_notify
Needs Recompile: ☑️
Version: v2.0.3+
Default: false
Applications: API, Indexer
API_V1_READ_METHODS_DISABLED
If true, read-only endpoints to API v1 are hidden.
Needs Recompile: ☑️
Version: v5.1.5+
Default: false
Applications: API
API_V1_WRITE_METHODS_DISABLED
If true, write endpoints to API v1 are hidden.
Needs Recompile: ☑️
Version: v5.1.5+
Default: false
Applications: API
DISABLE_API
If true, endpoint is not started. Set this if you want to use an indexer-only setup. Implemented in #10032
Version: v6.6.0+
Default: false
Applications: API, Indexer
WEBAPP_URL
Link to web application instance, e.g. protocol://host/path
Version: v2.0.3+ Default: (empty) Applications: API
API_URL
Link to API instance, e.g. protocol://host/path
Version: v2.0.3+ Default: (empty) Applications: API
API_V2_ENABLED
Version: v5.3.2+
Default: true
Applications: API
API_SENSITIVE_ENDPOINTS_KEY
API key to protect some sensitive endpoints. Implemented in #7355
Version: v5.1.5+ Default: (empty) Applications: API
CHECKSUM_ADDRESS_HASHES
If set to true, redirects to checksummed version of address hashes.
Version: v3.1.0+
Default: true
Applications: API
CHECKSUM_FUNCTION
Defines checksum address function. 2 available values: rsk, eth
Version: v2.0.1+
Default: eth
Applications: API
RESTRICTED_LIST
A comma-separated list of addresses to enable restricted access to them.
Version: v3.3.3+ Default: (empty) Applications: API
RESTRICTED_LIST_KEY
A key to access addresses listed inRESTRICTED_LIST variable. Can be passed via query param to the page's URL: ?key=...
Version: v3.3.3+ Default: (empty) Applications: API
CHAIN_TYPE
Needs Recompile: ☑️
Version: v5.3.0+
Default: default
Applications: API, Indexer
CHAIN_ID
Chain ID of the network. For instance, 100 in the case of xDai chain.
Version: v3.7.0+ Default: (empty) Applications: API, Indexer
JSON_RPC
JSON RPC endpoint of the chain for the WalletConnect integration. Implemented in #4931
Version: v4.1.0+ Default: (empty) Applications: API, Indexer
HEALTHY_BLOCKS_PERIOD
New blocks indexed max delay in /health API endpoint. Time format. Implemented in #2294
Version: v2.0.2+
Default: 5m
Applications: API, Indexer
NEW_TAGS
Add public tag labels. More info in #6316
Version: v5.0.0+ Default: (empty) Applications: API
CUSTOM_CONTRACT_ADDRESSES_${tag_name}
Specify addresses for some label. More info in #6316
Version: v5.0.0+ Default: (empty) Applications: API
SESSION_COOKIE_DOMAIN
Value of this env will be added to domain of session cookie. Implemented in #6544
Needs Recompile: ☑️ Version: v5.0.0+ Default: (empty) Applications: API
DECODE_NOT_A_CONTRACT_CALLS
Allows decoding of contract calls directed to addresses which are not contracts. Implemented in #6541
Needs Recompile: ☑️
Version: v5.1.0+
Default: false
Applications: API
EIP_1559_ELASTICITY_MULTIPLIER
EIP-1559 elasticity multiplier. Implemented in #7253
Version: v5.1.3+
Default: 2
Applications: API
EIP_1559_BASE_FEE_MAX_CHANGE_DENOMINATOR
EIP-1559 base fee max change denominator. Implemented in #9202
Version: v6.2.0+
Default: 8
Applications: API
TOKEN_INSTANCE_OWNER_MIGRATION_CONCURRENCY
Concurrency of new fields backfiller implemented in #8386
Version: v5.3.0+
Default: 5
Applications: API, Indexer
TOKEN_INSTANCE_OWNER_MIGRATION_BATCH_SIZE
Batch size of new fields backfiller implemented in #8386
Version: v5.3.0+
Default: 50
Applications: API, Indexer
TOKEN_INSTANCE_OWNER_MIGRATION_ENABLED
Version: v5.3.2+
Default: false
Applications: API, Indexer
TOKEN_ID_MIGRATION_FIRST_BLOCK
Bottom block for token id migration. Implemented in #6391
Version: v5.0.0+
Default: 0
Applications: API, Indexer
TOKEN_ID_MIGRATION_CONCURRENCY
Number of workers performing the token id migration. Implemented in #6391
Version: v5.0.0+
Default: 1
Applications: API, Indexer
TOKEN_ID_MIGRATION_BATCH_SIZE
Interval of token transfer block numbers processed by a token id migration worker at a time. Implemented in #6391
Version: v5.0.0+
Default: 500
Applications: API, Indexer
ADDRESSES_TABS_COUNTERS_TTL
TTL for cached tabs counters (works only for counters which are < 51, if counter >= 51, then ttl == :infinity). Implemented in #8512
Version: v5.3.0+
Default: 10m
Applications: API
API_INTERNAL_TRANSACTIONS_INDEXING_FINISHED_THRESHOLD
In the case when the 1st tx in the chain already has internal transactions, If the number of blocks in pending_block_operations is less than the value in this env var, Blockscout will consider that indexing of internal transactions is finished, otherwise, it will consider that indexing is still taking place and the indexing banner will appear at the top. Implemented in #7576.
Version: v5.2.0+
Default: 1000
Applications: API
DATABASE_EVENT_URL
Variable to define the Postgres Database endpoint that will be used by event listener process. Applicable for separate indexer and API setup. More info in related PR. Implemented in #10164.
Version: v6.8.0+ Default: (empty) Applications: API
PUBLIC_METRICS_ENABLED
Variable to enable running queries at /public-metrics endpoint. Implemented in #10469.
Version: v6.8.0+ Default: false Applications: API
PUBLIC_METRICS_UPDATE_PERIOD_HOURS
Public metrics update period in hours at /public-metrics endpoint. Implemented in #10469.
Version: v6.8.0+ Default: 24 Applications: API
SHRINK_INTERNAL_TRANSACTIONS_ENABLED
Variable to enable internal transactions shrinking logic. Implemented in #10567.
Version: v6.8.0+
Default: false
Applications: API, Indexer
SHRINK_INTERNAL_TRANSACTIONS_BATCH_SIZE
Version: v6.8.0+ Default: 100 Applications: API, Indexer
SHRINK_INTERNAL_TRANSACTIONS_CONCURRENCY
Concurrency of the shrink internal transactions migration. Implemented in #10567.
Version: v6.8.0+ Default: 10 Applications: API, Indexer
Indexer Management
BLOCK_TRANSFORMER
Transformer for blocks: base or clique.
Version: v1.3.4+
Default: base
Applications: Indexer
DISABLE_INDEXER
If true, indexer application doesn't run.
Version: v2.0.3+
Default: false
Applications: API, Indexer
INDEXER_HIDE_INDEXING_PROGRESS_ALERT
If true, indexer progress alert will be disabled even if initial catchup indexing is still in place. Implemented in #7360.
Version: v5.1.5+
Default: false
Applications: API
INDEXER_DISABLE_PENDING_TRANSACTIONS_FETCHER
If true, pending transactions fetcher is disabled.
Version: v4.1.2+
Default: false
Applications: Indexer
INDEXER_DISABLE_INTERNAL_TRANSACTIONS_FETCHER
If true, internal transactions fetcher is disabled.
Version: v4.1.2+
Default: false
Applications: Indexer
INDEXER_DISABLE_BLOCK_REWARD_FETCHER
if true, block rewards fetcher is disabled.
Version: v4.1.3+
Default: false
Applications: Indexer
INDEXER_DISABLE_ADDRESS_COIN_BALANCE_FETCHER
If true, coin balances fetcher is disabled.
Version: v4.1.3+
Default: false
Applications: Indexer
INDEXER_DISABLE_CATALOGED_TOKEN_UPDATER_FETCHER
If true, cataloged tokens metadata fetcher is disabled.
Version: v4.1.3+
Default: false
Applications: Indexer
INDEXER_MEMORY_LIMIT
Memory soft limit for the indexer.
Version: v4.1.3+
Default: 1Gb
Applications: Indexer
INDEXER_SYSTEM_MEMORY_PERCENTAGE
Percentage of total memory available to the VM that an application can use if INDEXER_MEMORY_LIMIT is not set. Implemented in #10697.
Version: v6.9.0+
Default: 60
Applications: Indexer
INDEXER_EMPTY_BLOCKS_SANITIZER_BATCH_SIZE
Batch size for empty block sanitizer (re-fetcher).
Version: v4.1.3+
Default: 100
Applications: Indexer
INDEXER_CATCHUP_BLOCKS_BATCH_SIZE
Batch size for blocks catchup fetcher. Implemented in #6196.
Version: v5.0.0+
Default: 10
Applications: Indexer
INDEXER_CATCHUP_BLOCKS_CONCURRENCY
Concurrency for blocks catchup fetcher. Implemented in #6196.
Version: v5.0.0+
Default: 10
Applications: Indexer
INDEXER_DISABLE_EMPTY_BLOCKS_SANITIZER
Empty blocks sanitizer is disabled if true
Version: v5.1.2+
Default: false
Applications: Indexer
DISABLE_REALTIME_INDEXER
If true, realtime fetcher doesn't run
Version: v4.1.6+
Default: false
Applications: Indexer
FIRST_BLOCK
The block number, where import of blocks by catchup fetcher begins from.
Version: v1.3.8+
Default: 0
Applications: API, Indexer
LAST_BLOCK
The block number, where import of blocks by catchup fetcher stops.
Version: v2.0.3+ Default: (empty) Applications: Indexer
TRACE_FIRST_BLOCK
The block number, where indexing of internal transactions begins from.
Version: v4.1.0+
Default: 0
Applications: API, Indexer
TRACE_LAST_BLOCK
The block number, where indexing of internal transactions stops.
Version: v4.1.0+ Default: (empty) Applications: API, Indexer
BLOCK_RANGES
Block ranges to import by catchup fetcher. Example: BLOCK_RANGES="1..3,123..500,30..50,500..latest". Implemented in #5783
Version: v4.1.7+ Default: (empty) Applications: Indexer
FETCH_REWARDS_WAY
Tells the application how to calculate block rewards, by fetching via json_rpc (trace_block) or manual by block params (manual).
Version: v4.1.4+
Default: trace_block
Applications: Indexer
IPFS_GATEWAY_URL
IPFS gateway url for fetching token instance metadata from IPFS including token instance icon.
Version: v5.3.0+
Default: https://ipfs.io/ipfs
Applications: Indexer
IPFS_GATEWAY_URL_PARAM_KEY
The key of the parameter to add to IPFS gateway url. Implemented in #9898.
Version: v6.5.0+ Default: (empty) Applications: Indexer
IPFS_GATEWAY_URL_PARAM_VALUE
The value of the parameter to add to IPFS gateway url. Implemented in #9898.
Version: v6.5.0+ Default: (empty) Applications: Indexer
IPFS_GATEWAY_URL_PARAM_LOCATION
Whether to add extra params: to query string or to the headers. Available values: query/header. Implemented in #9898.
Version: v6.5.0+ Default: (empty) Applications: Indexer
IPFS_PUBLIC_GATEWAY_URL
IPFS public gateway url which is used by frontend to display IPFS resources such as token instance image.
Version: v6.8.0+
Default: https://ipfs.io/ipfs
Applications: API
ETHEREUM_JSONRPC_DEBUG_TRACE_TRANSACTION_TIMEOUT
Timeout for debug_traceTransaction/debug_traceBlockByNumber JSON RPC method requests in case of geth archive node. Supported time formats: https://pkg.go.dev/time#ParseDuration. Introduced in #5505
Version: v4.1.3+
Default: 5s
Applications: Indexer
ETHEREUM_JSONRPC_DISABLE_ARCHIVE_BALANCES
If true, all the requests with the method eth_getBalance with any block as parameter but latest are ignored. Implemented in #6001
Version: v5.0.0+
Default: false
Applications: API, Indexer
ETHEREUM_JSONRPC_PENDING_TRANSACTIONS_TYPE
Defines which method will be used for fetching pending transactions: default - default method for fetching internal transactions for current ETHEREUM_JSONRPC_VARIANT, geth - txpool_content method will be used, parity - parity_pendingTransactions will be used. Implemented in #6001
Version: v5.0.0+
Default: default
Applications: Indexer
INDEXER_INTERNAL_TRANSACTIONS_BATCH_SIZE
Batch size for internal transactions fetcher. Implemented in #6450.
Version: v5.0.0+
Default: 10
Applications: Indexer
INDEXER_INTERNAL_TRANSACTIONS_CONCURRENCY
Concurrency for internal transactions fetcher. Implemented in #6450.
Version: v5.0.0+
Default: 4
Applications: Indexer
INDEXER_BLOCK_REWARD_BATCH_SIZE
Batch size for block reward fetcher. Implemented in #6952.
Version: v5.1.2+
Default: 10
Applications: Indexer
INDEXER_BLOCK_REWARD_CONCURRENCY
Concurrency for block reward fetcher. Implemented in #6952.
Version: v5.1.2+
Default: 4
Applications: Indexer
INDEXER_RECEIPTS_BATCH_SIZE
Batch size for transaction receipts fetcher. Implemented in #6454.
Version: v5.0.0+
Default: 250
Applications: Indexer
INDEXER_RECEIPTS_CONCURRENCY
Concurrency for transaction receipts fetcher. Implemented in #6454.
Version: v5.0.0+
Default: 10
Applications: Indexer
INDEXER_COIN_BALANCES_BATCH_SIZE
Batch size for coin balances fetcher. Implemented in #6454.
Version: v5.0.0+
Default: 100
Applications: Indexer
INDEXER_COIN_BALANCES_CONCURRENCY
Concurrency for coin balances fetcher. Implemented in #6454.
Version: v5.0.0+
Default: 4
Applications: Indexer
INDEXER_TOKEN_CONCURRENCY
Concurrency for token fetcher. Implemented in #8167.
Version: v5.2.2+
Default: 10
Applications: Indexer
INDEXER_TOKEN_BALANCES_BATCH_SIZE
Batch size for token balances fetcher. Implemented in #7439.
Version: v5.1.5+
Default: 100
Applications: Indexer
INDEXER_TOKEN_BALANCES_CONCURRENCY
Concurrency for token balances fetcher. Implemented in #8167.
Version: v5.2.2+
Default: 10
Applications: Indexer
INDEXER_TOKEN_BALANCES_MAX_REFETCH_INTERVAL
Maximum interval between attempts to fetch address token balance. Time format. Implemented in #10694.
Version: v6.8.1+
Default: 168h
Applications: Indexer
INDEXER_TOKEN_BALANCES_EXPONENTIAL_TIMEOUT_COEFF
Coefficient to calculate exponential timeout. Implemented in #10694.
Version: v6.9.0+
Default: 100
Applications: Indexer
INDEXER_TX_ACTIONS_ENABLE
If true, transaction action indexer is active. Implemented in #6582.
Version: v5.1.0+
Default: false
Applications: Indexer
INDEXER_TX_ACTIONS_MAX_TOKEN_CACHE_SIZE
Maximum number of items in an internal cache of tx actions indexing process (to limit memory consumption). Implemented in #6582.
Version: v5.1.0+
Default: 100000
Applications: Indexer
INDEXER_TX_ACTIONS_REINDEX_FIRST_BLOCK
The first block of a block range for historical indexing or reindexing of tx actions. Implemented in #6582.
Version: v5.1.0+ Default: (empty) Applications: Indexer
INDEXER_TX_ACTIONS_REINDEX_LAST_BLOCK
The last block of a block range for historical indexing or reindexing of tx actions. Implemented in #6582.
Version: v5.1.0+ Default: (empty) Applications: Indexer
INDEXER_TX_ACTIONS_REINDEX_PROTOCOLS
Comma-separated names of protocols which should be indexed or reindexed on historical blocks defined by the range. Example: uniswap_v3,zkbob - only these protocols will be indexed or reindexed for the defined block range. If the value is an empty string (or not defined), all supported protocols will be indexed/reindexed. This option is not applicable to realtime and catchup fetchers (it always indexes all supported protocols). Implemented in #6582.
Version: v5.1.0+ Default: (empty) Applications: Indexer
INDEXER_TX_ACTIONS_AAVE_V3_POOL_CONTRACT
Pool contract address for Aave v3 protocol. If not defined, Aave transaction actions are ignored by the indexer. Implemented in #7185.
Version: v5.1.3+ Default: (empty) Applications: Indexer
INDEXER_TX_ACTIONS_UNISWAP_V3_FACTORY_CONTRACT
UniswapV3Factory contract address. Implemented in #7312.
Version: v5.1.4+
Default: 0x1F98431c8aD98523631AE4a59f267346ea31F984
Applications: Indexer
INDEXER_TX_ACTIONS_UNISWAP_V3_NFT_POSITION_MANAGER_CONTRACT
NonfungiblePositionManager contract address for Uniswap v3. Implemented in #7312.
Version: v5.1.4+
Default: 0xC36442b4a4522E871399CD717aBDD847Ab11FE88
Applications: Indexer
INDEXER_CATCHUP_MISSING_RANGES_BATCH_SIZE
Batch size for missing ranges collector. Implemented in #6583.
Version: v5.0.0+
Default: 100000
Applications: Indexer
MIN_MISSING_BLOCK_NUMBER_BATCH_SIZE
Batch size for min missing block number updater. Implemented in #6583.
Version: v5.0.0+
Default: 100000
Applications: API, Indexer
INDEXER_INTERNAL_TRANSACTIONS_TRACER_TYPE
Tracer type for debug_traceTransaction/debug_traceBlockByNumber requests for geth-like nodes. Possible values are: js to use custom Blockscout js tracer, call_tracer to use built-in callTracer geth tracer, opcode to use built-in Struct/opcode logger geth tracer, polygon_edge to work with Polygon edge nodes. Implemented in #6721, #7513
Version: v5.1.0+
Default: call_tracer
Applications: Indexer
INDEXER_TOKEN_INSTANCE_RETRY_MAX_REFETCH_INTERVAL
Maximum interval between attempts to fetch token instance metadata. Time format. Implemented in #10027.
Version: v6.8.0+
Default: 168h
Applications: Indexer
INDEXER_TOKEN_INSTANCE_RETRY_EXPONENTIAL_TIMEOUT_BASE
Base to calculate exponential timeout. Implemented in #10027.
Version: v6.8.0+
Default: 2
Applications: Indexer
INDEXER_TOKEN_INSTANCE_RETRY_EXPONENTIAL_TIMEOUT_COEFF
Coefficient to calculate exponential timeout. Implemented in #10027.
Version: v6.8.0+
Default: 100
Applications: Indexer
INDEXER_TOKEN_INSTANCE_RETRY_CONCURRENCY
Concurrency for retry token instance fetcher. Implemented in #7286.
Version: v5.1.4+
Default: 10
Applications: Indexer
INDEXER_TOKEN_INSTANCE_REALTIME_CONCURRENCY
Concurrency for realtime token instance fetcher. Implemented in #7286.
Version: v5.1.4+
Default: 10
Applications: Indexer
INDEXER_TOKEN_INSTANCE_SANITIZE_CONCURRENCY
Concurrency for sanitize token instance fetcher. Implemented in #7286.
Version: v5.1.4+
Default: 10
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_RETRY_FETCHER
If true, retry token instance fetcher doesn't run
Version: v5.1.4+
Default: false
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_REALTIME_FETCHER
If true, realtime token instance fetcher doesn't run
Version: v5.1.4+
Default: false
Applications: Indexer
INDEXER_TOKEN_INSTANCE_REALTIME_RETRY_ENABLED
If true, realtime token instance fetcher will retry once on 404 and 500 error. Implemented in #10036.
Version: v6.6.0+
Default: false
Applications: Indexer
INDEXER_TOKEN_INSTANCE_REALTIME_RETRY_TIMEOUT
Timeout for retry set by INDEXER_TOKEN_INSTANCE_REALTIME_RETRY_ENABLED. Time format. Implemented in #10036.
Version: v6.6.0+
Default: 5s
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_SANITIZE_FETCHER
If true, sanitize token instance fetcher doesn't run
Version: v5.1.4+
Default: false
Applications: Indexer
INDEXER_TOKEN_INSTANCE_USE_BASE_URI_RETRY
If true, and request to tokenURI(tokenId) failed with VM execution error, Blockscout will make request to baseURI and try to request metadata from baseURI + tokenId
Version: v6.2.0+
Default: false
Applications: Indexer
INDEXER_REALTIME_FETCHER_MAX_GAP
Max gap between consecutive latest blocks that will be filled by realtime fetcher. Implemented in #7393
Version: v5.1.5+
Default: 1000
Applications: Indexer
INDEXER_DISABLE_WITHDRAWALS_FETCHER
If true, withdrawals fetcher is disabled. Implemented in #6694.
Version: v5.1.5+
Default: true
Applications: Indexer
WITHDRAWALS_FIRST_BLOCK
The block number, where import of withdrawals by catchup fetcher begins from. Should be the block where withdrawals upgrade occured on the chain. Implemented in #6694.
Version: v5.1.5+ Default: (empty) Applications: Indexer
INDEXER_CATCHUP_BLOCK_INTERVAL
Interval between blocks catchup fetcher tasks. Implemented in #7489.
Version: v5.1.5+
Default: 5s
Applications: Indexer
INDEXER_FETCHER_INIT_QUERY_LIMIT
Limit for all fetchers init queries. Implemented in #7697.
Version: v5.2.0+
Default: 100
Applications: Indexer
INDEXER_TOKEN_INSTANCE_RETRY_BATCH_SIZE
Batch size for retry token instance fetcher. Implemented in #8313
Version: v5.2.3+
Default: 10
Applications: Indexer
INDEXER_TOKEN_INSTANCE_REALTIME_BATCH_SIZE
Batch size for realtime token instance fetcher. Implemented in #8313.
Version: v5.2.3+
Default: 1
Applications: Indexer
INDEXER_TOKEN_INSTANCE_SANITIZE_BATCH_SIZE
Batch size for sanitize token instance fetcher. Implemented in #8313.
Version: v5.2.3+
Default: 10
Applications: Indexer
INDEXER_TOKEN_BALANCES_FETCHER_INIT_QUERY_LIMIT
Limit for token balance fetcher init queries. Implemented in #8459.
Version: v5.2.3+
Default: 100000
Applications: Indexer
INDEXER_COIN_BALANCES_FETCHER_INIT_QUERY_LIMIT
Limit for coin balance fetcher init queries. Implemented in #7996.
Version: v5.3.0+
Default: 2000
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_LEGACY_SANITIZE_FETCHER
If true, legacy sanitize token instance fetcher doesn't run. Appeared in #8386
Version: v5.3.0+
Default: true
Applications: Indexer
INDEXER_TOKEN_INSTANCE_LEGACY_SANITIZE_CONCURRENCY
Concurrency for legacy sanitize token instance fetcher doesn't run. Appeared in #8386
Version: v5.4.0+
Default: 2
Applications: Indexer
INDEXER_TOKEN_INSTANCE_LEGACY_SANITIZE_BATCH_SIZE
Batch size for legacy sanitize token instance fetcher doesn't run. Appeared in #8386
Version: v5.3.0+
Default: 10
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_ERC_1155_SANITIZE_FETCHER
If true, erc-1155-sanitize token instance fetcher doesn't run. Implemented in #9226.
Version: v6.2.0+
Default: false
Applications: Indexer
INDEXER_DISABLE_TOKEN_INSTANCE_ERC_721_SANITIZE_FETCHER
If true, erc-721-sanitize token instance fetcher doesn't run. Implemented in #9226.
Version: v6.2.0+
Default: false
Applications: Indexer
INDEXER_TOKEN_INSTANCE_ERC_1155_SANITIZE_CONCURRENCY
Concurrency for erc-1155-sanitize token instance fetcher. Implemented in #9226.
Version: v6.2.0+
Default: 2
Applications: Indexer
INDEXER_TOKEN_INSTANCE_ERC_721_SANITIZE_CONCURRENCY
Concurrency for erc-721-sanitize token instance fetcher. Implemented in #9226.
Version: v6.2.0+
Default: 2
Applications: Indexer
INDEXER_TOKEN_INSTANCE_ERC_1155_SANITIZE_BATCH_SIZE
Batch size for erc-1155-sanitize token instance fetcher. Implemented in #9226.
Version: v6.2.0+
Default: 10
Applications: Indexer
INDEXER_TOKEN_INSTANCE_ERC_721_SANITIZE_BATCH_SIZE
Batch size for erc-721-sanitize token instance fetcher. Implemented in #9226.
Version: v6.2.0+
Default: 10
Applications: Indexer
INDEXER_EMPTY_BLOCKS_SANITIZER_INTERVAL
Interval for empty block sanitizer. Implemented in #8658
Version: v5.3.0+
Default: 5m
Applications: Indexer
ETHEREUM_JSONRPC_ARCHIVE_BALANCES_WINDOW
Max block number gap from latest for which balances requests can be processed when ETHEREUM_JSONRPC_DISABLE_ARCHIVE_BALANCES env var is set to true. Implemented in #8673
Version: v5.3.1+
Default: 200
Applications: API, Indexer
DISABLE_CATCHUP_INDEXER
If true, catchup fetcher doesn't run
Version: v5.3.2+
Default: false
Applications: Indexer
TRACE_BLOCK_RANGES
Block ranges for traceable blocks. Example: TRACE_BLOCK_RANGES="1..3,123..500,30..50,500..latest". Implemented in #8960
Version: v5.4.0+ Default: (empty) Applications: API, Indexer
ETHEREUM_JSONRPC_GETH_TRACE_BY_BLOCK
Enable tracing by block for geth variant. Implemented in #9072
Version: v6.1.0+
Default: false
Applications: Indexer
INDEXER_GRACEFUL_SHUTDOWN_PERIOD
Time that will be given to the block fetchers when stopping the application before they are killed. Implemented in #9729
Version: v6.5.0+
Default: 5m
Applications: Indexer
MISSING_BALANCE_OF_TOKENS_WINDOW_SIZE
Minimal blocks count until the next token balance request will be executed for tokens that doesn't implement balanceOf function. Implemented in #10142
Version: v6.8.0+
Default: 100
Applications: Indexer
ETHEREUM_JSONRPC_GETH_ALLOW_EMPTY_TRACES
Allow transactions to not have internal transactions. Implemented in #10200
Version: v6.8.0+
Default: false
Applications: Indexer
INDEXER_DISABLE_REPLACED_TRANSACTION_FETCHER
If true, Indexer.Fetcher.ReplacedTransaction fetcher doesn't run
Version: v6.8.0+
Default: false
Applications: Indexer
INDEXER_INTERNAL_TRANSACTIONS_FETCH_ORDER
Order of fetching internal transactions from node. Possible values: asc, desc. Implemented in #10912
Version: v6.9.0+
Default: asc
Applications: Indexer
Denormalization & Sanitizer Management
DENORMALIZATION_MIGRATION_BATCH_SIZE
Number of transactions to denormalize (add block timestamp and consensus) in the batch.
Version: v6.0.0-beta
Default: 500
Applications: API, Indexer
DENORMALIZATION_MIGRATION_CONCURRENCY
Number of parallel denormalization transaction batches processing.
Version: v6.0.0-beta
Default: 10
Applications: API, Indexer
TOKEN_TRANSFER_TOKEN_TYPE_MIGRATION_BATCH_SIZE
Number of token transfers to denormalize (add token_type) in the batch.
Version: v6.3.0+
Default: 100
Applications: API, Indexer
TOKEN_TRANSFER_TOKEN_TYPE_MIGRATION_CONCURRENCY
Number of parallel denormalization token transfer batches processing.
Version: v6.3.0+
Default: 1
Applications: API, Indexer
SANITIZE_INCORRECT_NFT_BATCH_SIZE
Number of token transfers to sanitize in the batch.
Version: v6.3.0+
Default: 100
Applications: API, Indexer
SANITIZE_INCORRECT_NFT_CONCURRENCY
Number of parallel sanitizing token transfer batches processing.
Version: v6.3.0+
Default: 1
Applications: API, Indexer
SANITIZE_INCORRECT_NFT_TIMEOUT
Timeout between sanitizing token transfer batches processing. Implemented in #11358
Version: v6.10.0+
Default: 0
Applications: API, Indexer
SANITIZE_INCORRECT_WETH_BATCH_SIZE
Number of token transfers to sanitize in the batch. Implemented in #10134
Version: v6.8.0+
Default: 100
Applications: API, Indexer
SANITIZE_INCORRECT_WETH_CONCURRENCY
Number of parallel sanitizing token transfer batches processing. Implemented in #10134
Version: v6.8.0+
Default: 1
Applications: API, Indexer
SANITIZE_INCORRECT_WETH_TIMEOUT
Timeout between sanitizing token transfer batches processing. Implemented in #11358
Version: v6.10.0+
Default: 0
Applications: API, Indexer
REINDEX_INTERNAL_TRANSACTIONS_STATUS_BATCH_SIZE
Number of internal transactions to reindex in the batch. Implemented in #11358
Version: v6.10.0+
Default: 100
Applications: API, Indexer
REINDEX_INTERNAL_TRANSACTIONS_STATUS_CONCURRENCY
Number of parallel reindexing internal transaction batches processing. Implemented in #11358
Version: v6.10.0+
Default: 1
Applications: API, Indexer
REINDEX_INTERNAL_TRANSACTIONS_STATUS_TIMEOUT
Timeout between reindexing internal transaction batches processing. Implemented in #11358
Version: v6.10.0+
Default: 0
Applications: API, Indexer
MIGRATION_RESTORE_OMITTED_WETH_TOKEN_TRANSFERS_BATCH_SIZE
Number of logs to process in the batch. Implemented in #10466
Version: v6.8.0+
Default: 50
Applications: API, Indexer
MIGRATION_RESTORE_OMITTED_WETH_TOKEN_TRANSFERS_CONCURRENCY
Number of parallel logs batches processing. Implemented in #10466
Version: v6.8.0+
Default: 5
Applications: API, Indexer
MIGRATION_RESTORE_OMITTED_WETH_TOKEN_TRANSFERS_TIMEOUT
Time interval between checks if queue are not empty. The same timeout multiplied by 2 used between checks if qeueue are not full. Implemented in #10466
Version: v6.8.0+
Default: 250ms
Applications: API, Indexer
MIGRATION_SANITIZE_DUPLICATED_LOG_INDEX_LOGS_BATCH_SIZE
Number of logs to process in the batch. Implemented in #11055
Version: v6.9.0+
Default: 500
Applications: API, Indexer
MIGRATION_SANITIZE_DUPLICATED_LOG_INDEX_LOGS_CONCURRENCY
Number of parallel logs batches processing. Implemented in #11055
Version: v6.9.0+
Default: 10
Applications: API, Indexer
MIGRATION_REFETCH_CONTRACT_CODES_BATCH_SIZE
Number of addresses to process in the batch. Implemented in #11055
Version: v6.9.0+
Default: 100
Applications: API, Indexer
MIGRATION_REFETCH_CONTRACT_CODES_CONCURRENCY
Number of parallel addresses batches processing. Implemented in #11055
Version: v6.9.0+
Default: 5
Applications: API, Indexer
Exchange Rates
DISABLE_EXCHANGE_RATES
Disables or enables fetching of coin price from Coingecko API.
Version: v3.1.2+
Default: false
Applications: API, Indexer
EXCHANGE_RATES_SOURCE
Source for native coin and tokens price fetching. Possible values are: coin_gecko, coin_market_cap or mobula.
Version: v6.8.0+
Default: coin_gecko
Applications: API, Indexer
EXCHANGE_RATES_SECONDARY_COIN_SOURCE
Source for secondary coin fetching. Possible values are: coin_gecko, coin_market_cap or mobula.
Version: v6.8.0+
Default: coin_gecko
Applications: API, Indexer
EXCHANGE_RATES_MARKET_CAP_SOURCE
Sets the source for market cap fetching. Available values coin_gecko, mobula, coin_market_cap, cryptorank (from v6.8.0+).
Version: v5.2.3+
Default: coin_gecko
Applications: API, Indexer
EXCHANGE_RATES_TVL_SOURCE
Sets the source for TVL fetching. Available value is defillama.
Version: v5.3.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_PRICE_SOURCE
Sets the source for price fetching. Available values are crypto_compare, coin_gecko, mobula, coin_market_cap and cryptorank (from v6.8.0+)
Version: v5.2.3+
Default: crypto_compare
Applications: API, Indexer
EXCHANGE_RATES_MOBULA_COIN_ID
Explicitly set Mobula coin ID.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_MOBULA_SECONDARY_COIN_ID
Explicitly set Mobula coin ID for secondary coin market chart.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_MOBULA_API_KEY
Mobula API key.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_MOBULA_CHAIN_ID
Mobula chain id for which token prices are fetched, see full list in the Documentation.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_COIN_ID
Explicitly set CoinGecko coin ID.
Version: v4.1.4+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_SECONDARY_COIN_ID
Explicitly set CoinGecko coin ID for secondary coin market chart. Implemented in #9483.
Version: v6.3.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_API_KEY
CoinGecko API key.
Version: v4.1.4+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINMARKETCAP_API_KEY
CoinMarketCap API key. Required, if EXCHANGE_RATES_MARKET_CAP_SOURCE, EXCHANGE_RATES_PRICE_SOURCE is set to coin_market_cap.
Version: v4.1.4+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINMARKETCAP_COIN_ID
CoinMarketCap coin id.
Version: v5.2.1+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINMARKETCAP_SECONDARY_COIN_ID
CoinMarketCap coin id for secondary coin market chart. Implemented in #9483.
Version: v6.3.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_DEFILLAMA_COIN_ID
DefiLlama coin id.
Version: v5.3.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_FETCH_BTC_VALUE
if true explorer application will fetch btc_value for token exchange rates. Implemented in #5671.
Version: v4.1.5+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_PLATFORM_ID
CoinGecko platform id for which token prices are fetched, see full list in /asset_platforms endpoint. Implemented in #6925.
Version: v5.1.2+
Default: ethereum
Applications: API, Indexer
TOKEN_EXCHANGE_RATE_INTERVAL
Interval between batch requests of token prices. Can be decreased in order to fetch prices faster if you have pro rate limit. Time format. Implemented in #6925.
Version: v5.1.2+
Default: 5s
Applications: API, Indexer
TOKEN_EXCHANGE_RATE_REFETCH_INTERVAL
Interval between refetching token prices, responsible for the relevance of prices. Time format. Implemented in #6925.
Version: v5.1.2+
Default: 1 hour
Applications: API, Indexer
TOKEN_EXCHANGE_RATE_MAX_BATCH_SIZE
Batch size of a single token price request. Implemented in #6925.
Version: v5.1.2+
Default: 150
Applications: API, Indexer
DISABLE_TOKEN_EXCHANGE_RATE
If true disables fetching of token price. Implemented in #6925.
Version: v5.1.2+
Default: true
Applications: API, Indexer
EXCHANGE_RATES_CRYPTOCOMPARE_SECONDARY_COIN_SYMBOL
CryptoCompare coin symbol for secondary coin market chart. Implemented in #9483.
Version: v6.3.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_BASE_URL
If set, overrides the Coingecko base URL. Implemented in #9679.
Version: v6.4.0+
Default: true
Applications: API, Indexer
EXCHANGE_RATES_COINGECKO_BASE_PRO_URL
If set, overrides the Coingecko Pro base URL. Implemented in #9679.
Version: v6.4.0+
Default: true
Applications: API, Indexer
EXCHANGE_RATES_COINMARKETCAP_BASE_URL
If set, overrides the CoinMarketCap base URL (Free and Pro). Implemented in #9679.
Version: v6.4.0+
Default: true
Applications: API, Indexer
TOKEN_EXCHANGE_RATES_SOURCE
Sets the source for tokens price fetching. Available values are coin_gecko, cryptorank. Implemented in #10550.
Version: v6.8.0+
Default: coin_gecko
Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_SECONDARY_COIN_ID
Sets Cryptorank coin ID for secondary coin market chart. Implemented in #10550.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_PLATFORM_ID
Sets Cryptorank platform ID. Implemented in #10550.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_BASE_URL
If set, overrides the Cryptorank API url. Implemented in #10550.
Version: v6.8.0+
Default: https://api.cryptorank.io/v1/
Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_API_KEY
Cryptorank API key. Current implementation uses dedicated beta Cryptorank API endpoint. If you want to integrate Cryptorank price fetching you should contact Cryptorank to receive an API key. Implemented in #10550.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_COIN_ID
Sets Cryptorank coin ID. Implemented in #10550.
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
EXCHANGE_RATES_CRYPTORANK_LIMIT
Sets the maximum number of token prices returned in a single request. Implemented in #10550.
Version: v6.8.0+
Default: 1000
Applications: API, Indexer
Cache Management
See the Time format section for more information on variable formatting.
CACHE_TXS_COUNT_PERIOD
Time interval to restart the task that calculates the total txs count. Starting from release v6.8.0+, if the value is not set, ttl value gradually increases until the default value with growth of the block numbers.
Version: v4.1.3+
Default: 2h
Applications: API, Indexer
CACHE_ADDRESS_SUM_PERIOD
Time to live of addresses sum (except burn address) cache. Time format. Starting from release v6.8.0+, if the value is not set, ttl value gradually increases until the default value with growth of the block numbers. Introduced in #2862.
Version: v4.1.3+
Default: 1h
Applications: API, Indexer
CACHE_TOTAL_GAS_USAGE_PERIOD
Interval to restart the task which calculates the total gas usage. Starting from release v6.8.0+, if the value is not set, ttl value gradually increases until the default value with growth of the block numbers.
Version: v4.1.3+
Default: 2h
Applications: API, Indexer
CACHE_PBO_COUNT_PERIOD
Time interval to restart the task which calculates the total pending_block_operations count.
Version: v5.2.0+
Default: 20m
Applications: API, Indexer
CACHE_ADDRESS_TRANSACTIONS_GAS_USAGE_COUNTER_PERIOD
Interval to restart the task which calculates gas usage at the address.
Version: v4.1.3+
Default: 30m
Applications: API, Indexer
CACHE_TOKEN_HOLDERS_COUNTER_PERIOD
Interval to restart the task which calculates holders count of the token.
Version: v4.1.3+
Default: 1h
Applications: API, Indexer
CACHE_TOKEN_TRANSFERS_COUNTER_PERIOD
Interval to restart the task which calculates transfers count of the token.
Version: v4.1.3+
Default: 1h
Applications: API, Indexer
CACHE_ADDRESS_WITH_BALANCES_UPDATE_INTERVAL
Interval to restart the task which calculates addresses with balances.
Needs Recompile: ☑️
Version: v4.1.3+
Default: 30m
Applications: API, Indexer
TOKEN_METADATA_UPDATE_INTERVAL
Interval to restart the task which updates token metadata.
Version: v2.0.1+
Default: 48h
Applications: API, Indexer
CACHE_AVERAGE_BLOCK_PERIOD
Time to initiate first calculation and caching of average block period after start/re-start of the application.
Version: v4.1.3+
Default: 30m
Applications: API, Indexer
CACHE_MARKET_HISTORY_PERIOD
Update of market history cache.
Version: v4.1.3+
Default: 6h
Applications: API, Indexer
CACHE_ADDRESS_TRANSACTIONS_COUNTER_PERIOD
Time to live of address' transaction counter. Time format. Introduced in #3330.
Version: v3.4.0+
Default: 1h
Applications: API, Indexer
CACHE_ADDRESS_TOKENS_USD_SUM_PERIOD
Managing of cache invalidation period for the sum of USD value of tokens per tokens' holder address.
Version: v3.5.0+
Default: 1h
Applications: API, Indexer
CACHE_EXCHANGE_RATES_PERIOD
Value to tune the time to live of exchange rates. Time format. Implemented in #5671.
Needs Recompile: ☑️
Version: v4.1.5+
Default: 10m
Applications: API, Indexer
TOKEN_BALANCE_ON_DEMAND_FETCHER_THRESHOLD
A threshold to invalidate token balance cache.
Version: v5.1.2+
Default: 1h
Applications: API, Indexer
COIN_BALANCE_ON_DEMAND_FETCHER_THRESHOLD
A threshold to invalidate coin balance cache.
Version: v5.1.2+
Default: 1h
Applications: API, Indexer
CONTRACT_CODE_ON_DEMAND_FETCHER_THRESHOLD
An initial threshold (for exponential backoff) to fetch smart-contract bytecode on-demand. Implemented in #9708.
Version: v6.4.0+
Default: 5s
Applications: API, Indexer
CACHE_ADDRESS_TOKEN_TRANSFERS_COUNTER_PERIOD
Interval to restart the task, which calculates the number of token transfers at the address. Implemented in #4699.
Version: v4.0.0+
Default: 1h
Applications: API, Indexer
CACHE_BLOCK_COUNT_PERIOD
Time to live of blocks with consensus count cache. Starting from release v6.8.0+, if the value is not set, ttl value gradually increases until the default value with growth of the block numbers. Introduced in #1876.
Version: v4.1.3+
Default: 2h
Applications: API, Indexer
CACHE_TOTAL_GAS_USAGE_COUNTER_ENABLED
if true, enables cache for total gas usage counter.
Needs Recompile: ☑️
Version: v5.1.3+
Default: false
Applications: API, Indexer
MARKET_HISTORY_FETCH_INTERVAL
Interval to update data for the last day in the Market History table. Introduced in #9197.
Version: v6.1.0+
Default: 1h
Applications: API, Indexer
CACHE_TRANSACTIONS_24H_STATS_PERIOD
Interval to update data for the last 24 hours transactions stats. Introduced in #9483.
Version: v6.3.0+
Default: 1h
Applications: API, Indexer
CACHE_FRESH_PENDING_TRANSACTIONS_COUNTER_PERIOD
Interval to update count of pending transactions that appeared less than half an hour ago. Introduced in #9483.
Version: v6.3.0+
Default: 5m
Applications: API, Indexer
CACHE_OPTIMISM_LAST_OUTPUT_ROOT_SIZE_COUNTER_PERIOD
Interval to update data for the last output root size counter. Introduced in #9532.
Version: v6.3.0+
Default: 5m
Applications: API, Indexer
Gas Price Oracle
GAS_PRICE_ORACLE_NUM_OF_BLOCKS
Gas price oracle: number of blocks to calculate average gas price from
Version: v4.1.4+
Default: 200
Applications: API, Indexer
GAS_PRICE_ORACLE_SAFELOW_PERCENTILE
Gas price oracle: safelow percentile
Version: v4.1.4+
Default: 35
Applications: API, Indexer
GAS_PRICE_ORACLE_AVERAGE_PERCENTILE
Gas price oracle: average percentile
Version: v4.1.4+
Default: 60
Applications: API, Indexer
GAS_PRICE_ORACLE_FAST_PERCENTILE
Gas price oracle: fast percentile
Version: v4.1.4+
Default: 90
Applications: API, Indexer
GAS_PRICE_ORACLE_CACHE_PERIOD
Gas price oracle: period of gas prices update.
Version: v4.1.4+
Default: 30s
Applications: API, Indexer
GAS_PRICE_ORACLE_SIMPLE_TRANSACTION_GAS
Gas price oracle: amount of gas for a simple coin transfer. Introduced in #9044.
Version: v6.0.0+
Default: 21000
Applications: API, Indexer
GAS_PRICE_ORACLE_SAFELOW_TIME_COEFFICIENT
Average block time multiplied by this coefficent for safelow gas price when time from pending transactions is not available. Floats may be used. Introduced in #9582.
Version: v6.3.0+
Default: 5
Applications: API, Indexer
GAS_PRICE_ORACLE_AVERAGE_TIME_COEFFICIENT
Average block time multiplied by this coefficent for average gas price when time from pending transactions is not available. Floats may be used. Introduced in #9582.
Version: v6.3.0+
Default: 3
Applications: API, Indexer
GAS_PRICE_ORACLE_FAST_TIME_COEFFICIENT
Average block time multiplied by this coefficent for fast gas price when time from pending transactions is not available. Floats may be used. Introduced in #9582.
Version: v6.3.0+
Default: 1
Applications: API, Indexer
Main Page Dashboard
GAS_PRICE
Gas price in Gwei. If the variable is present, gas price displays on the main page.
Version: v3.3.2+ Default: (empty) Applications: API
TXS_STATS_ENABLED
Disables or enables txs per day stats gathering.
Version: v5.1.3+
Default: true
Applications: API
SHOW_PRICE_CHART
Disables or enables price and market cap of coin charts on the main page.
Version: v3.1.2+
Default: false
Applications: API
SHOW_PRICE_CHART_LEGEND
Showa price and market cap values under the chart even if price chart is not enabled via SHOW_PRICE_CHART env variable.
Version: v5.1.4+
Default: false
Applications: API
SHOW_TXS_CHART
Disables or enables txs count per day chart on the main page.
Version: v3.1.2+
Default: true
Applications: API
TXS_HISTORIAN_INIT_LAG
The initial delay in txs count history fetching in order to display txs count per day history chart on the main page. Time format.
Version: v3.1.2+
Default: 0
Applications: API
TXS_STATS_DAYS_TO_COMPILE_AT_INIT
Number of days for fetching of history of txs count per day in order to display it in txs count per day history chart on the main page.
Version: v3.1.2+
Default: 40
Applications: API
Header and Footer
Header
LOGO
Environment variable for the header logo image location. The logo files names for different chains can be found here.
Version: all
Default: /images/blockscout_logo.svg
Applications: API
SHOW_TESTNET_LABEL
Enables testnet label right after logo in the navigation panel. Implemented in #5732
Version: v4.1.6+ Default: (empty) Applications: API
TESTNET_LABEL_TEXT
The text inside the test label. Implemented in #5732
Version: v4.1.6+
Default: Testnet
Applications: API
SUPPORTED_CHAINS
An array of supported chains displayed in the chains dropdown. This var was introduced in this PR #1900 and looks like an array of JSON objects.
Version: v2.0.0+
Default: [ { title: POA", url: "https://blockscout.com/poa/core" }, { title: "Sokol", url: "https://blockscout.com/poa/sokol", test_net?: true }, { title: "Gnosis Chain", url: "https://gnosis.blockscout.com/" }, { title: "Ethereum Classic", url: "https://etc.blockscout.com", other?: true }, { title: "RSK", url: "https://rootstock.blockscout.com", other?: true } ]
Applications: API
APPS_MENU
true/false. If true, the Apps navigation menu item appears.
Version: v3.3.1+
Default: false
Applications: API
Footer
FOOTER_LOGO
Environment variable for the footer logo image location. The logo files names for different chains can be found here.
Version: all
Default: /images/blockscout_logo.svg
Applications: API
RELEASE_LINK
The link to Blockscout release notes in the footer.
Version: v1.3.5+
Default: https: //github.com/poanetwork/ blockscout/releases/ tag/${BLOCKSCOUT_VERSION}
Applications: API
BLOCKSCOUT_VERSION
Added to the footer to signify the current BlockScout version.
Version: v1.3.4+ Default: (empty) Applications: API
FOOTER_CHAT_LINK
Link to Chat menu item in the footer. Implemented in #5719.
Version: v4.1.6+
Default: https://discord.gg/3CtNAqVMRV
Applications: API
FOOTER_FORUM_LINK_ENABLED
Enable forum menu item in the footer.
Version: v5.1.3+
Default: false
Applications: API
FOOTER_FORUM_LINK
Link in Forum menu item in the footer. Implemented in #5719
Version: v4.1.6+
Default: https://forum.poa.network/c/blockscout
Applications: API
FOOTER_TELEGRAM_LINK_ENABLED
Enable Telegram menu item in the footer. Implemented in #7345.
Version: v5.1.4+
Default: false
Applications: API
FOOTER_TELEGRAM_LINK
Link in Telegram menu item in the footer. Implemented in #7345.
Version: v5.1.4+ Default: (empty) Applications: API
FOOTER_GITHUB_LINK
Github repository. Implemented in #5719.
Version: v4.1.6+
Default: https://github.com/blockscout/blockscout
Applications: API
FOOTER_LINK_TO_OTHER_EXPLORERS
true/false. If true, links to other explorers are added in the footer.
Version: v5.1.3+ Default: (empty) Applications: API
FOOTER_OTHER_EXPLORERS
The list of alternative explorers.
Version: v5.1.3+ Default: (empty) Applications: API
Contract Management
CONTRACT_VERIFICATION_ALLOWED_SOLIDITY_EVM_VERSIONS
Version: v5.2.0+
Default: homestead,tangerineWhistle,spuriousDragon,byzantium,constantinople,petersburg,istanbul,berlin,london,paris,shanghai,default
Applications: API
CONTRACT_VERIFICATION_ALLOWED_VYPER_EVM_VERSIONS
Comma-separated list of allowed EVM versions for Vyper contract verification. This var was introduced in #7614.
Version: v5.2.0+
Default: byzantium,constantinople,petersburg,istanbul,berlin,paris,shanghai,default
Applications: API
CONTRACT_VERIFICATION_MAX_LIBRARIES
Max amount of libraries to consider in smart-contract verification from flat/multi-part file(s). Implemented in #6204.
Version: v5.0.0+ Default: (empty) Applications: API
CONTRACT_MAX_STRING_LENGTH_WITHOUT_TRIMMING
Hide long contract method data. For more details: #4667
Version: v4.0.0+
Default: 2040
Applications: API
CONTRACT_DISABLE_INTERACTION
If true, contract interactions via "Write contract" or "Write proxy contract" tabs are disabled. Introduced in #7088."
Version: v5.1.2+ Default: (empty) Applications: API
CONTRACT_PROXY_IMPLEMENTATION_TTL_VIA_AVG_BLOCK_TIME
If false, proxy contract implementation will be re-fetched immediately once someone opens proxy page bypassing average block time calculation. Implemented in #9155.
Version: v6.1.0+
Default: true
Applications: API
CONTRACT_AUDIT_REPORTS_AIRTABLE_URL
URL of Airtable to store audit reports from users. Implemented in #9120
Version: v6.1.0+ Default: (empty) Applications: API
CONTRACT_AUDIT_REPORTS_AIRTABLE_API_KEY
Access token for CONTRACT_AUDIT_REPORTS_AIRTABLE_URL. Implemented in #9120
Version: v6.1.0+ Default: (empty) Applications: API
CONTRACT_CERTIFIED_LIST
Comma-separated list of smart-contract address hashes, to which "certified" flag should be applied. Implemented in #9910"
Version: v6.5.0+ Default: (empty) Applications: API
WHITELISTED_WETH_CONTRACTS
Comma-separated list of smart-contract address hashes of WETH-like tokens which deposit and withdrawal events you'd like to index. Implemented in #10134
Version: v6.8.0+ Default: (empty) Applications: API, Indexer
Bridged Tokens
BRIDGED_TOKENS_ENABLED
Variable to enable bridged tokens functionality. Introduced in #9169
Needs Recompile: ☑️ Version: v6.1.0+ Default: (empty) Applications: API, Indexer
BRIDGED_TOKENS_ETH_OMNI_BRIDGE_MEDIATOR
OMNI bridge mediator for ETH tokens. Introduced in #9169
Version: v6.1.0+ Default: (empty) Applications: API, Indexer
BRIDGED_TOKENS_BSC_OMNI_BRIDGE_MEDIATOR
OMNI bridge mediator for BSC tokens. Introduced in #9169
Version: v6.1.0+ Default: (empty) Applications: API, Indexer
BRIDGED_TOKENS_POA_OMNI_BRIDGE_MEDIATOR
OMNI bridge mediator for POA tokens. Introduced in #9169
Version: v6.1.0+ Default: (empty) Applications: API, Indexer
BRIDGED_TOKENS_AMB_BRIDGE_MEDIATORS
AMB bridge mediator. Introduced in #9169
Version: v6.1.0+ Default: (empty) Applications: API, Indexer
BRIDGED_TOKENS_FOREIGN_JSON_RPC
Ethereum mainnet JSON RPC. Introduced in #9169
Version: v6.1.0+ Default: (empty) Applications: API, Indexer
Miscellaneous UI
SHOW_ADDRESS_MARKETCAP_PERCENTAGE
Configures market cap percentage column on the top accounts page.
Version: v2.1.1+
Default: true
Applications: API
SHOW_MAINTENANCE_ALERT
Disables/enables announcement at the top of the explorer.
Version: v3.6.0+
Default: false
Applications: API
MAINTENANCE_ALERT_MESSAGE
Message text of the announcement at the top of the explorer.
Version: v3.6.0+ Default: (empty) Applications: API
HIDE_BLOCK_MINER
Hides miner/validator/sequencer on block page and tiles if the value is true. Implemented in #4611
Version: v4.0.0+ Default: (empty) Applications: API
HIDE_SCAM_ADDRESSES
Hides address of EOA/smart-contract/token from search results if the value is true and "scam" badge is assigned to that address. Implemented in #10763
Version: v6.9.0+ Default: (empty) Applications: API
DISPLAY_TOKEN_ICONS
Displays token icons from Trust Wallet assets repository if true. Implemented in #4596
Version: v4.0.0+ Default: (empty) Applications: API
UNCLES_IN_AVERAGE_BLOCK_TIME
Include or exclude non-consensus blocks in avg block time calculation. Exclude if false.
Version: v2.0.1+
Default: false
Applications: API
COIN_BALANCE_HISTORY_DAYS
Number of days to consider for coin balance history chart.
Version: v3.1.3+
Default: 10
Applications: API
ADMIN_PANEL_ENABLED
if true admin/* routes are available. Implemented in #5208
Needs Recompile: ☑️ Version: v4.1.2+ Default: (empty) Applications: API
DISABLE_ADD_TO_MM_BUTTON
If true, "Add chain to MM" button doesn't appear. Implemented in #6843"
Version: v5.1.0+ Default: (empty) Applications: API
PERMANENT_DARK_MODE_ENABLED
If true, permanent dark mode is enabled. Dark mode switcher is hidden in this case. Implemented in #6763
Version: v5.1.0+ Default: (empty) Applications: API
PERMANENT_LIGHT_MODE_ENABLED
If true, permanent light mode is enabled. Dark mode switcher is hidden. Implemented in #6838
Version: v5.1.0+ Default: (empty) Applications: API
CSV Export
reCAPTCHA v2 and v3 keys for CSV export page. Do not use both v2/v3 keys. Only one version of reCAPTCHA should be used.
RE_CAPTCHA_SECRET_KEY
Google reCAPTCHA v2 secret key. Used by advanced CSV export. Implemented in #4747
Version: v4.0.0+ Default: (empty) Applications: API
RE_CAPTCHA_CLIENT_KEY
Google reCAPTCHA v2 client key. Used by advanced CSV export. Implemented in #4747
Version: v4.0.0+ Default: (empty) Applications: API
RE_CAPTCHA_V3_SECRET_KEY
Google reCAPTCHA v3 secret key. Used by advanced CSV export. Implemented in #7273
Version: v5.1.4+ Default: (empty) Applications: API
RE_CAPTCHA_V3_CLIENT_KEY
Google reCAPTCHA v3 client key. Used by advanced CSV export. Implemented in #7273
Version: v5.1.4+ Default: (empty) Applications: API
RE_CAPTCHA_DISABLED
Disable reCAPTCHA. Implemented in #7416
Version: v5.1.5+
Default: false
Applications: API
RE_CAPTCHA_CHECK_HOSTNAME
Disable reCAPTCHA hostname check. More details on reCaptcha docs. Implemented in #10706
Version: v6.9.0+
Default: false
Applications: API
CSV_EXPORT_LIMIT
Changes max number of rows in CSV export. Implemented in #10497
Version: v6.8.0+
Default: 10000
Applications: API
RE_CAPTCHA_SCORE_THRESHOLD
Changes reCAPTCHA score threshold. Implemented in #11182
Version: v6.9.1+
Default: 0.5
Applications: API
API Rate Limits
API_RATE_LIMIT
A global API rate limit: number or requests per second for all users. Implemented in #5030
Version: v4.1.1+
Default: 50 req/sec
Applications: API
API_RATE_LIMIT_BY_KEY
A dedicated API rate limit per key for every type of API key (static or generated from Account module). Implemented in #5080
Version: v4.1.1+
Default: 10 req/sec
Applications: API
API_RATE_LIMIT_WHITELISTED_IPS
Comma-separated whitelisted IPs list with dedicated rate limit. Implemented in #5090
Version: v4.1.1+ Default: (empty) Applications: API
API_RATE_LIMIT_STATIC_API_KEY
Static API key with dedicated API rate limit. Implemented in #5080
Version: v4.1.1+ Default: (empty) Applications: API
API_NO_RATE_LIMIT_API_KEY
API key with no rate limit. Implemented in #10515
Version: v6.8.0+ Default: (empty) Applications: API
API_RATE_LIMIT_DISABLED
If true, any type of rate limit is ignored. Implemented in #6908
Version: v5.1.0+ Default: (empty) Applications: API
API_RATE_LIMIT_IS_BLOCKSCOUT_BEHIND_PROXY
Version: v5.1.3+
Default: false
Applications: API
API_RATE_LIMIT_BY_WHITELISTED_IP
A dedicated API rate limit for whitelisted IPs. Implemented in #5090
Version: v5.1.3+
Default: 50 req/sec
Applications: API
API_RATE_LIMIT_BY_IP
Global rate limit for an IP address for API v2 requests sent from UI. #7148
Version: v5.1.3+
Default: 3000
Applications: API
API_RATE_LIMIT_HAMMER_REDIS_URL
Redis DB URL for Hammer rate limit library. Implemented in #7148
Needs Recompile: ☑️ Version: v5.1.3+ Default: (empty) Applications: API
API_RATE_LIMIT_UI_V2_WITH_TOKEN
Rate limit after submitting correct CAPTCHA. Implemented in #7148
Version: v5.1.3+
Default: 5
Applications: API
API_RATE_LIMIT_TIME_INTERVAL
Time interval of rate limit. Implemented in #7148
Version: v5.1.3+
Default: 1s
Applications: API
API_RATE_LIMIT_BY_IP_TIME_INTERVAL
Time interval of rate limit set by API_RATE_LIMIT_BY_IP. Implemented in #7148
Version: v5.1.3+
Default: 5m
Applications: API
API_RATE_LIMIT_UI_V2_TOKEN_TTL_IN_SECONDS
TTL for token issued after submitting correct CAPTCHA for an API v2 requests from UI. In seconds. Implemented in #7148
Version: v5.1.3+
Default: 1800
Applications: API
ETH_JSON_RPC_MAX_BATCH_SIZE
Max batch size for Eth JSON RPC requests. Implemented in #9409
Version: v6.3.0+
Default: 5
Applications: API
GraphQL API
API_GRAPHQL_ENABLED
Enabling/disabling of GraphQL API. Implemented in #9751
Version: v6.4.0+
Default: true
Applications: API
API_GRAPHQL_MAX_COMPLEXITY
Query/schema max_complexity of GraphQL API. Implemented in #9751
Needs Recompile: ☑️
Version: v6.4.0+
Default: 215
Applications: API
API_GRAPHQL_TOKEN_LIMIT
Query token_limit of Absinthe. Implemented in #9751
Needs Recompile: ☑️
Version: v6.4.0+
Default: 1000
Applications: API
API_GRAPHQL_DEFAULT_TRANSACTION_HASH
Default transaction hash in a sample query to GraphiQL. Implemented in #9751.
Needs Recompile: ☑️
Version: v6.4.0+
Default: 0x69e3923eef50eada197c3336d546936d0c994211492c9f947a24c02827568f9f
Applications: API
API_GRAPHQL_RATE_LIMIT
A global GraphQL API rate limit: number or requests per second for all users. Implemented in #9771
Version: v6.4.0+
Default: 10 req/sec
Applications: API
API_GRAPHQL_RATE_LIMIT_BY_KEY
A dedicated GraphQL API rate limit per static key. If this limit is less than stated in API plan, then API_GRAPHQL_RATE_LIMIT_BY_KEY used for key generated from Account module. Implemented in #9771
Version: v6.4.0+
Default: 5 req/sec
Applications: API
API_GRAPHQL_RATE_LIMIT_STATIC_API_KEY
Static GraphQL API key with dedicated GraphQL API rate limit. Implemented in #9771
Version: v6.4.0+ Default: (empty) Applications: API
API_GRAPHQL_RATE_LIMIT_DISABLED
If true, any type of rate limit is ignored. Implemented in #9771
Version: v6.4.0+ Default: (empty) Applications: API
API_GRAPHQL_RATE_LIMIT_BY_IP
Global rate limit for an IP address for GraphQL API requests. #9771
Version: v6.4.0+
Default: 500
Applications: API
API_GRAPHQL_RATE_LIMIT_TIME_INTERVAL
Time interval of rate limit. Time format. Implemented in #9771
Version: v6.4.0+
Default: 1s
Applications: API
API_GRAPHQL_RATE_LIMIT_BY_IP_TIME_INTERVAL
Time interval of rate limit set by API_GRAPHQL_RATE_LIMIT_BY_IP. Time format. Implemented in #9771
Version: v6.4.0+
Default: 5m
Applications: API
Account Related
ACCOUNT_ENABLED
Turn on/off account functionality. If value istrue, account functionality is enabled.
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_DATABASE_URL
Account DB connection string
Version: v5.0.0+
Default: value from DATABASE_URL
Applications: API
ACCOUNT_REDIS_URL
Account Redis connection string (for session storing configuration)
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_POOL_SIZE
Account DB pool_size
Version: v5.0.0+
Default: 50
Applications: API
ACCOUNT_AUTH0_CLIENT_ID
Auth0 client ID Ueberauth Auth0
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_AUTH0_CLIENT_SECRET
Auth0 client secret Ueberauth Auth0
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_PUBLIC_TAGS_AIRTABLE_URL
Airtable URL for public tag requests functionality
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_PUBLIC_TAGS_AIRTABLE_API_KEY
Airtable API key for public tag requests functionality
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_SENDGRID_API_KEY
Sendgrid API key for watchlist notifications functionality
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_SENDGRID_SENDER
Sendgrid sender email for watchlist notifications functionality
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_SENDGRID_TEMPLATE
Sendgrid email template for watchlist notifications functionality
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_CLOAK_KEY
Account DB encryption key. Instruction how to generate
Version: v5.0.0+ Default: (empty) Applications: API
ACCOUNT_VERIFICATION_EMAIL_RESEND_INTERVAL
Time before resending confirmation email. Implemented in #7298.
Version: v5.1.5+
Default: 5m
Applications: API
ACCOUNT_PRIVATE_TAGS_LIMIT
Limit for address & transaction tags. Implemented in #8528.
Version: v5.3.1+
Default: 2000
Applications: API
ACCOUNT_WATCHLIST_ADDRESSES_LIMIT
Limit for watch list addresses. Implemented in #8528.
Version: v5.3.1+
Default: 15
Applications: API
ACCOUNT_WATCHLIST_NOTIFICATIONS_LIMIT_FOR_30_DAYS
Per account limit for watch list notifications sent for the last 30 days. Implemented in #8966.
Version: v5.3.3+
Default: 1000
Applications: API
ACCOUNT_OTP_RESEND_INTERVAL
Time before resending otp email. Implemented in #10706.
Version: v6.9.0+
Default: 1m
Applications: API
ACCOUNT_SIWE_MESSAGE
Message for Sign In With Ethereum authentication. Implemented in #11178.
Version: v6.9.1+
Default: Sign in to Blockscout Account V2
Applications: API
Specific Smart Contracts
METADATA_CONTRACT
Used by POA Network to obtain Validators information to display in the UI.
Version: all Default: (empty) Applications: API, Indexer
VALIDATORS_CONTRACT
Used by POA Network to obtain the list of current validators.
Version: all Default: (empty) Applications: API, Indexer
KEYS_MANAGER_CONTRACT
Used by POA Network to set KeysManager proxy contract in order to obtain payout key by mining key. This needs to identify distributed reward to the validator.
Version: v3.1.2+ Default: (empty) Applications: API, Indexer
REWARDS_CONTRACT
Emission rewards contract address. This env var is used only if EMISSION_FORMAT is set to POA
Version: v2.0.4+
Default: 0xeca443e8e1ab29971a45a9c57a6a9875701698a5
Applications: API, Indexer
TOKEN_BRIDGE_CONTRACT
Token bridge proxy contract. For `TokenBridge` supply module.
Version: v1.3.2+
Default: 0x7301CFA0e1756B71869E93d4e4Dca5c7d0eb0AA6
Applications: API, Indexer
CDN
This feature was implemented in #10675
NFT_MEDIA_HANDLER_AWS_ACCESS_KEY_ID
S3 API Access Key ID
Version: v6.10.0+ Default: (empty) Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_AWS_SECRET_ACCESS_KEY
S3 API Secret Access Key
Version: v6.10.0+ Default: (empty) Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_AWS_BUCKET_HOST
S3 API URL
Version: v6.10.0+ Default: (empty) Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_AWS_BUCKET_NAME
S3 bucket name
Version: v6.10.0+ Default: (empty) Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_AWS_PUBLIC_BUCKET_URL
Public S3 bucket URL
Version: v6.10.0+ Default: (empty) Applications: API
NFT_MEDIA_HANDLER_ENABLED
if true, CDN feature enabled
Version: v6.10.0+
Default: false
Applications: Indexer, NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_REMOTE_DISPATCHER_NODE_MODE_ENABLED
if true, nft media handler is supposed to run separately.
Version: v6.10.0+
Default: false
Applications: Indexer, NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_IS_WORKER
if true, and NFT_MEDIA_HANDLER_REMOTE_DISPATCHER_NODE_MODE_ENABLED=true will be started only nft_media_handler app
Version: v6.10.0+
Default: false
Applications: Indexer, NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_NODES_MAP
String in json map format, where key is erland node and value is folder in R2/S3 bucket, example: "{\"producer@172.18.0.4\": \"/folder_1\"}". If nft_media_handler runs in one pod with indexer, map should contain self key
Version: v6.10.0+ Default: (empty) Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_WORKER_CONCURRENCY
Concurrency of media handling (resizing/uploading)
Version: v6.10.0+
Default: 10
Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_WORKER_BATCH_SIZE
Number of url processed by one async task
Version: v6.10.0+
Default: 10
Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_WORKER_SPAWN_TASKS_TIMEOUT
Timeout before spawn new task
Version: v6.10.0+
Default: 100ms
Applications: NFT_MEDIA_HANDLER
NFT_MEDIA_HANDLER_BACKFILL_ENABLED
If true, unprocessed token instnaces from DB will be processed via nft_media_handler
Version: v6.10.0+
Default: false
Applications: Indexer
NFT_MEDIA_HANDLER_BACKFILL_QUEUE_SIZE
Max size of backfill queue
Version: v6.10.0+
Default: 1000
Applications: Indexer
NFT_MEDIA_HANDLER_BACKFILL_ENQUEUE_BUSY_WAITING_TIMEOUT
Timeout before new attempt to append item to backfill queue if it's full
Version: v6.10.0+
Default: 1s
Applications: Indexer
NFT_MEDIA_HANDLER_CACHE_UNIQUENESS_MAX_SIZE
Max size of cache, where stored already uploaded token instances media
Version: v6.10.0+
Default: 100_000
Applications: Indexer
Addresses Blacklist management
Section created as a result of #11417
ADDRESSES_BLACKLIST
A comma-separated list of addresses to enable restricted access to them.
Version: v6.10.0+ Default: (empty) Applications: API
ADDRESSES_BLACKLIST_KEY
A key to access blacklisted addresses (either by ADDRESSES_BLACKLIST or by blacklist provider). Can be passed via query param to the page's URL: ?key=...
Version: v6.10.0+ Default: (empty) Applications: API
ADDRESSES_BLACKLIST_PROVIDER
Blacklist provider type, available options: blockaid
Version: v6.10.0+
Default: blockaid
Applications: API
ADDRESSES_BLACKLIST_URL
URL to fetch balcklist from
Version: v6.10.0+ Default: (empty) Applications: API
ADDRESSES_BLACKLIST_UPDATE_INTERVAL
Interval between scheduled updates of blacklist
Version: v6.10.0+
Default: 15m
Applications: API
ADDRESSES_BLACKLIST_RETRY_INTERVAL
Time to wait before new attempt of blacklist fetching, after abnormal termination of fetching task
Version: v6.10.0+
Default: 5s
Applications: API
Last updated
