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 |
|---|---|---|---|---|---|---|
| Specifies the transport for blockscout to connect to the Ethereum Node. Available transports are |
| v2.1.1+ | v3.1.0 | ||
| the number of pages on coinmarketcap to list in order to find token's price | 10 | v1.3.10+ | v2.0.4 | ||
| CoinGecko coin id required for fetching an exchange rate | poa-network | v2.0.4+ | v2.1.0+ | ||
| Environment variable for the main network icon or testnet icon. Two options are | _network_icon.html | All | v2.0.0+ | ||
| Emission rewards contract address. This env var is used only if |
| v2.0.4+ | v3.1.0 | ||
| 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 | ||
| Enables store and display of additional fields on block and transaction according to EIP-1559 | false | v4.0.0+ | v4.1.0 | ||
| time to live of blocks with consensus count cache in seconds. This var was introduced in #1876 | 2 hours | v2.0.0+ | v4.1.3 | ||
| Interval in seconds to restart the task, which calculates the total txs count. | 2 hours | v1.3.9+ | v4.1.3 | ||
| time to live of cache in seconds. This var was introduced in #2822 | 2 hours | v2.1.1+ | v4.1.3 | ||
| 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 | ||
| Interval in seconds to restart the task, which calculates the total gas usage. | 2 hours | v3.4.0+ | v4.1.3 | ||
| Interval in seconds to restart the task, which calculates gas usage at the address. | 30 minutes | v3.4.0+ | v4.1.3 | ||
| Interval in seconds to restart the task, which calculates holders count of the token. | 1 hour | v3.4.0+ | v4.1.3 | ||
| Interval in seconds to restart the task, which calculates transfers count of the token. | 1 hour | v3.4.0+ | v4.1.3 | ||
| Interval in seconds to restart the task, which calculates addresses with balances. | 30 minutes | v1.3.9+ | v4.1.3 | ||
| Update of average block period cache, in seconds | 30 minutes | v2.0.2+ | v4.1.3 | ||
| Update of market history cache, in seconds | 6 hours | v2.0.2+ | v4.1.3 | ||
| Explicitly set CoinGecko coin ID | (empty) | v3.1.2+ | v4.1.4 | ||
| This environment variable is used to calculate the exchange rate and is specifically used by the xDai Chain. Available value is | (empty) | v1.0.0+ | v4.1.4 | ||
| 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 | ||
| 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 | 60 | v3.6.0+ | v4.1.x | ||
| 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 | ||
| Enables Staking dapp in the menu | false | v3.6.0+ | v4.1.x | ||
| Disables/enables announcement inside staking dapp | false | v3.6.0+ | v4.1.x | ||
| Message text of the announcement inside staking dapp | (empty) | v3.6.0+ | v4.1.x | ||
| 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 | ||
| 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 | ||
| A comma-separated list of AMB extensions' mediators' addresses' hashes to fetch bridged tokens through those mediators. | (empty) | v3.6.0+ | v4.1.x | ||
| 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 | ||
| 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 | ||
| Disables recurring consolidation of TokenBridge market cap from TokenBridge, OmniBridge and AMB extensions | (empty) | v3.3.3+ | v4.1.x | ||
| 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 | ||
| PATH in API endpoint URL at API docs page. | / | v3.1.0+ | ✅ | v5.1.1 | |
| Custom websocket path. | (empty) | v3.0.0+ | ✅ | v5.1.1 | |
| Hide long arrays in smart-contracts. To get more details: #4218 | 50 | v3.7.1+ | v5.1.2 | ||
| 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 | ||
| Disables or enables token symbol for known contract. | false | v3.4.0+ | v5.1.2 | ||
| A threshold to invalidate token balance cache. Implemented in #3870 | 60 minutes | v3.7.1+ | v5.1.2 | ||
| A threshold to invalidate coin balance cache. Implemented in #5240 | 60 minutes | v4.1.2+ | v5.1.2 | ||
| 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 | ||
| Managing cache invalidation for token's exchange rate. | 1 hour | v3.5.0+ | v5.1.2 | ||
| Empty blocks sanitizer is disabled if | false | v4.1.3+ | v5.1.2 | ||
| 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 | ||
| If | (empty) | v3.3.2+ | v5.1.3 | ||
| If | (empty) | v5.0.0+ | v5.1.3 | ||
| URL of Rust visualizer. Implemented in #6401 | (empty) | v5.0.0+ | v5.1.3 | ||
| If | (empty) | v5.1.0+ | v5.1.3 | ||
| URL of Rust sig-provider service. Implemented in #6541 | (empty) | v5.1.0+ | v5.1.3 | ||
| If | (empty) | v4.1.8+ | v5.1.3 | ||
| URL of Rust smart-contract verifier. Implemented in #5860 | (empty) | v4.1.8+ | v5.1.3 | ||
| true/false. If true, links to other explorers are added in the footer. | (empty) | v1.3.0+ | v5.1.3 | ||
| The list of alternative explorers. This env var was introduced in PR #3414. | (empty) | v3.4.0+ | v5.1.3 | ||
| Enable forum menu item in the footer. Implemented in #6351 | false | v5.0.0+ | v5.1.3 | ||
| Enables or disables verification of contracts through Sourcify. | false | v3.7.0+ | v5.1.3 | ||
| Disables or enables txs per day stats gathering. | true | v3.1.2+ | v5.1.3 | ||
| if |
| v5.1.2+ | v5.1.3 | ||
| 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 | |||
| Concurrency for token instance fetcher. Implemented in #6981. | 10 | v5.1.2+ | v5.1.4 | ||
| Batch size for token instance fetcher. Implemented in #6981. | 1 | v5.1.2+ | v5.1.4 | ||
| If |
| v5.0.0+ | v5.1.4 | ||
| Auth0 logout URL Ueberauth Auth0 | (empty) | v5.0.0+ | v5.1.4 | ||
| Auth0 logout return URL Ueberauth Auth0 | (empty) | v5.0.0+ | v5.1.4 | ||
|
| (empty) | v5.1.2+ | v5.1.5+ | ||
| If |
| v2.0.3+ | ✅ | v5.1.5 | |
| If |
| v2.0.3+ | ✅ | v5.1.5 | |
| 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 | ||
| This environment variable is used to calculate the exchange rates. Available value is | (empty) | v4.1.4+ | v5.2.3 | ||
| Enables Polygon zkEVM batches fetcher. Implemented in #7584. |
| v5.3.1+ | v6.2.0 | ||
| The number of Polygon zkEVM batches in one chunk when reading them from RPC. Implemented in #7584. | 20 | v5.3.1+ | v6.2.0 | ||
| The latest batch rechecking interval, seconds. Implemented in #7584. | 60 | v5.3.1+ | v6.2.0 | ||
| Default transaction hash in a sample query to GraphiQL. | (empty) | v1.2.0+ | ✅ | v6.4.0 |
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