deprecated-env-variables.md

Deprecated ENV Variables

{% hint style="info" %} This table is horizontally scrollable, version information is located in the last column. {% endhint %}

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		Enables store and display of additional fields on block and transaction according to EIP-1559	false	v4.0.0+		v4.1.0
BLOCK_COUNT_CACHE_PERIOD		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
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		time to live of cache in seconds. This var was introduced in #2822​	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+		v5.2.0+
SOCKET_ROOT		Custom websocket path.	(empty)	v3.0.0+		v5.2.0+