Deprecated ENV Variables
This table is horizontally scrollable, version information is located in the last column.
Variable | Required | Description | Default | Version | Need recompile | Deprecated in Version |
|---|---|---|---|---|---|---|
ETHEREUM_JSONRPC_JSON_RPC_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. Replaced with ETHEREUM_JSONRPC_TRANSPORT | http | v2.1.1+ | | v3.1.0 |
COINMARKETCAP_PAGES | | the number of pages on coinmarketcap to list in order to find token's price | 10 | v1.3.10+ | | v2.0.4 |
COIN_GECKO_ID | | CoinGecko coin id required for fetching an exchange rate | poa-network | v2.0.4+ | | v2.1.0+ |
NETWORK_ICON | | Environment variable for the main network icon or testnet icon. Two options are _test_network_icon.html and _network_icon.html | _network_icon.html | All | | v2.0.0+ |
REWARDS_CONTRACT_ADDRESS | | Emission rewards contract address. This env var is used only if EMISSION_FORMAT is set to POA . Replaced with REWARDS_CONTRACT | 0xeca443e8e1ab29971a45a9c57a6a9875701698a5 | v2.0.4+ | | v3.1.0 |
OMNI_BRIDGE_MEDIATOR | | An address of home OmniBridge mediator to bridge multiple tokens from Ethereum. Providing this address enables bridged tokens functionality: bridged status and link to the original token in the foreign chain. | (empty) | v3.3.2+ | | v3.6.0 |
ENABLE_1559_SUPPORT | | false | v4.0.0+ | | v4.1.0 | |
BLOCK_COUNT_CACHE_PERIOD | | 2 hours | v2.0.0+ | | v4.1.3 | |
TXS_COUNT_CACHE_PERIOD | | Interval in seconds to restart the task, which calculates the total txs count. | 2 hours | v1.3.9+ | | v4.1.3 |
ADDRESS_COUNT_CACHE_PERIOD | | 2 hours | v2.1.1+ | | v4.1.3 | |
ADDRESS_SUM_CACHE_PERIOD | | time to live of addresses sum (except burn address) cache in seconds. This var was introduced in #2862 | 1 hour | v2.1.1+ | | v4.1.3 |
TOTAL_GAS_USAGE_CACHE_PERIOD | | Interval in seconds to restart the task, which calculates the total gas usage. | 2 hours | v3.4.0+ | | v4.1.3 |
ADDRESS_TRANSACTIONS_GAS_USAGE_COUNTER_CACHE_PERIOD | | Interval in seconds to restart the task, which calculates gas usage at the address. | 30 minutes | v3.4.0+ | | v4.1.3 |
TOKEN_HOLDERS_COUNTER_CACHE_PERIOD | | Interval in seconds to restart the task, which calculates holders count of the token. | 1 hour | v3.4.0+ | | v4.1.3 |
TOKEN_TRANSFERS_COUNTER_CACHE_PERIOD | | Interval in seconds to restart the task, which calculates transfers count of the token. | 1 hour | v3.4.0+ | | v4.1.3 |
ADDRESS_WITH_BALANCES_UPDATE_INTERVAL | | Interval in seconds to restart the task, which calculates addresses with balances. | 30 minutes | v1.3.9+ | | v4.1.3 |
AVERAGE_BLOCK_CACHE_PERIOD | | Update of average block period cache, in seconds | 30 minutes | v2.0.2+ | | v4.1.3 |
MARKET_HISTORY_CACHE_PERIOD | | Update of market history cache, in seconds | 6 hours | v2.0.2+ | | v4.1.3 |
COINGECKO_COIN_ID | | Explicitly set CoinGecko coin ID | (empty) | v3.1.2+ | | v4.1.4 |
SOURCE_MODULE | | This environment variable is used to calculate the exchange rate and is specifically used by the xDai Chain. Available value is TokenBridge | (empty) | v1.0.0+ | | v4.1.4 |
POS_STAKING_CONTRACT | | The address of POSDAO staking contract. When provided, enables staking DApp. ValidatorSet and BlockReward contract addresses are fetched using corresponding getters. | (empty) | v3.4.0+ | | v4.1.x |
POS_ETH_SUBSCRIBE_MAX_DELAY | | Used by the staking DApp. The number of seconds of max delay after the latest block number arrived from eth_subscribe. Once this time is elapsed, the staking DApp automatically switches to eth_blockNumber which then is requested every POS_ETH_BLOCKNUMBER_PULL_INTERVAL milliseconds until eth_subscribe works again.
| 60 | v3.6.0+ | | v4.1.x |
POS_ETH_BLOCKNUMBER_PULL_INTERVAL | | An interval between eth_blockNumber requests (in milliseconds) made by staking DApp to retrieve a new block number. Used when eth_subscribe stops working. | 500 | v3.6.0+ | | v4.1.x |
ENABLE_POS_STAKING_IN_MENU | | Enables Staking dapp in the menu | false | v3.6.0+ | | v4.1.x |
SHOW_STAKING_WARNING | | Disables/enables announcement inside staking dapp | false | v3.6.0+ | | v4.1.x |
STAKING_WARNING_MESSAGE | | Message text of the announcement inside staking dapp | (empty) | v3.6.0+ | | v4.1.x |
ETH_OMNI_BRIDGE_MEDIATOR | | An address of home OmniBridge mediator to bridge multiple tokens from Ethereum. Providing this address enables bridged tokens functionality: bridged status and link to the original token in the foreign chain. | (empty) | v3.6.0+ | | v4.1.x |
BSC_OMNI_BRIDGE_MEDIATOR | | An address of home OmniBridge mediator to bridge multiple tokens from Binance Smart Chain. Providing this address enables bridged tokens functionality: bridged status and link to the original token in the foreign chain. | (empty) | v3.6.0+ | | v4.1.x |
AMB_BRIDGE_MEDIATORS | | A comma-separated list of AMB extensions' mediators' addresses' hashes to fetch bridged tokens through those mediators. | (empty) | v3.6.0+ | | v4.1.x |
FOREIGN_JSON_RPC | | JSON RPC endpoint to the foreign chain in order to get metadata of bridged through Omni-bridge token. It was introduced in this PR #3282 | (empty) | v3.3.3+ | | v4.1.x |
BRIDGE_MARKET_CAP_UPDATE_INTERVAL | | Market cap update interval for `TokenBridge` supply module as for TokenBridge and for OmniBridge as well, in seconds. It was introduced in this PR #3293 | 30 minutes | v3.3.3+ | | v4.1.x |
DISABLE_BRIDGE_MARKET_CAP_UPDATER | | Disables recurring consolidation of TokenBridge market cap from TokenBridge, OmniBridge and AMB extensions | (empty) | v3.3.3+ | | v4.1.x |
EXTERNAL_APPS | | An array of external apps to display in Apps menu item. This var was introduced in this PR #3184 and looks like an array of JSON objects. | (empty) | v3.3.1+ | | v5.0.0 |
API_PATH | | PATH in API endpoint URL at API docs page. | / | v3.1.0+ | ✅ | v5.1.1 |
SOCKET_ROOT | | Custom websocket path. | (empty) | v3.0.0+ | ✅ | v5.1.1 |
MAX_SIZE_UNLESS_HIDE_ARRAY | | 50 | v3.7.1+ | | v5.1.2 | |
ALLOWED_EVM_VERSIONS | | the comma-separated list of allowed EVM versions for contract verification. This var was introduced in #1964 | "homestead, tangerineWhistle, spuriousDragon, byzantium, constantinople, petersburg,istanbul" | v2.0.0+ | | v5.1.2 |
DISABLE_KNOWN_TOKENS | | Disables or enables token symbol for known contract. | false | v3.4.0+ | | v5.1.2 |
TOKEN_BALANCE_ON_DEMAND_FETCHER_THRESHOLD_MINUTES | | 60 minutes | v3.7.1+ | | v5.1.2 | |
COIN_BALANCE_ON_DEMAND_FETCHER_THRESHOLD_MINUTES | | 60 minutes | v4.1.2+ | | v5.1.2 | |
CUSTOM_CONTRACT_ADDRESSES_TEST_TOKEN | | List of test tokens addresses: test label will be applied and those tokens will be excluded from omni bridge market cap calculation. | (empty) | v3.6.0+ | | v5.1.2 |
CACHE_TOKEN_EXCHANGE_RATE_PERIOD | | Managing cache invalidation for token's exchange rate. | 1 hour | v3.5.0+ | | v5.1.2 |
INDEXER_DISABLE_EMPTY_BLOCK_SANITIZER | | Empty blocks sanitizer is disabled if true | false | v4.1.3+ | | v5.1.2 |
HISTORY_FETCH_INTERVAL | | Interval how often to request count of txs per current day in order to display txs count per day chart on the main page. Time format. | 1h | v3.1.2+ | | v5.1.3 |
WOBSERVER_ENABLED | | If true enables wobserver interface. | (empty) | v3.3.2+ | | v5.1.3 |
VISUALIZE_SOL2UML_ENABLED | | (empty) | v5.0.0+ | | v5.1.3 | |
VISUALIZE_SOL2UML_SERVICE_URL | | (empty) | v5.0.0+ | | v5.1.3 | |
SIG_PROVIDER_SERVICE_URL | | (empty) | v5.1.0+ | | v5.1.3 | |
SIG_PROVIDER_ENABLED | | (empty) | v5.1.0+ | | v5.1.3 | |
ENABLE_RUST_VERIFICATION_SERVICE | | (empty) | v4.1.8+ | | v5.1.3 | |
RUST_VERIFICATION_SERVICE_URL | | (empty) | v4.1.8+ | | v5.1.3 | |
LINK_TO_OTHER_EXPLORERS | | true/false. If true, links to other explorers are added in the footer. | (empty) | v1.3.0+ | | v5.1.3 |
OTHER_EXPLORERS | | (empty) | v3.4.0+ | | v5.1.3 | |
FOOTER_ENABLE_FORUM_LINK | | false | v5.0.0+ | | v5.1.3 | |
ENABLE_SOURCIFY_INTEGRATION | | Enables or disables verification of contracts through Sourcify. | false | v3.7.0+ | | v5.1.3 |
ENABLE_TXS_STATS | | Disables or enables txs per day stats gathering. | true | v3.1.2+ | | v5.1.3 |
CACHE_ENABLE_TOTAL_GAS_USAGE_COUNTER | | if true, enables cache for total gas usage counter. | false | v5.1.2+ | | v5.1.3 |
LOGO_FOOTER | | Environment variable for the footer logo image location. The logo files names for different chains can be found here. | /images/blockscout_logo.svg | | | v5.1.3 |
INDEXER_TOKEN_INSTANCE_CONCURRENCY | | 10 | v5.1.2+ | | v5.1.4 | |
INDEXER_TOKEN_INSTANCE_BATCH_SIZE | | 1 | v5.1.2+ | | v5.1.4 | |
DISABLE_TOKEN_INSTANCE_FETCHER | | If true, token instance fetcher doesn't run | false | v5.0.0+ | | v5.1.4 |
ACCOUNT_AUTH0_LOGOUT_URL | | (empty) | v5.0.0+ | | v5.1.4 | |
ACCOUNT_AUTH0_LOGOUT_RETURN_URL | | (empty) | v5.0.0+ | | v5.1.4 | |
ACCOUNT_AUTHENTICATE_ENDPOINT_API_KEY | | (empty) | v5.1.2+ | | v5.1.5+ | |
DISABLE_READ_API | | If true, read-only endpoints to API are hidden (compile-time). | false | v2.0.3+ | ✅ | v5.1.5 |
DISABLE_WRITE_API | | If true, write endpoints to API are hidden (compile-time). | false | v2.0.3+ | ✅ | v5.1.5 |
CONTRACT_VERIFICATION_ALLOWED_EVM_VERSIONS | | the comma-separated list of allowed EVM versions for contract verification. This var was introduced in #1964 | "homestead, tangerineWhistle, spuriousDragon, byzantium, constantinople, petersburg,istanbul" | v2.0.0+ | | v5.2.0 |
EXCHANGE_RATES_SOURCE | | This environment variable is used to calculate the exchange rates. Available value is token_bridge. Available values are also coin_gecko and coin_market_cap. | (empty) | v4.1.4+ | | v5.2.3 |
Last modified 1d ago