Deployment Differences Between Chains

All chains must define the following ENV variables:

Environment Variable	Default
BLOCKSCOUT_VERSION	`unknown`
COIN	`POA`
DB_HOST	-
DB_PASSWORD	-
DB_PORT	-
DB_USERNAME	-
ETHEREUM_JSONRPC_HTTP_URL	`http://localhost:8545`
ETHEREUM_JSONRPC_TRACE_URL	`http://localhost:8545`
ETHEREUM_JSONRPC_WS_URL	`ws://localhost:8546`
ETHEREUM_JSONRPC_VARIANT	`nethermind`
HEART_BEAT_TIMEOUT	`30`
HEART_COMMAND	`sudo systemctl restart explorer.service`
LOGO	`/images/blockscout_logo.svg`
NETWORK	`POA Network`
SUBNETWORK	`Sokol Testnet`
NETWORK_ICON	`_test_network_icon.html`
LINK_TO_OTHER_EXPLORERS	`true`

Changes not configurable with ENV variables:

**Update Validated/Validator to Mined/Miner or Signed/Signer ** https://github.com/poanetwork/blockscout/blob/12aa15671142af00b35ff05aeac107c2c686c4c8/apps/block_scout_web/priv/gettext/default.pot

Update Memory Usage: https://github.com/poanetwork/blockscout/blob/12aa15671142af00b35ff05aeac107c2c686c4c8/apps/indexer/config/config.exs#L36

Update Theme: https://github.com/poanetwork/blockscout/blob/12aa15671142af00b35ff05aeac107c2c686c4c8/apps/block_scout_web/assets/css/theme/_variables.scss#L1

Update Coin Name: https://github.com/poanetwork/blockscout/blob/5b5a0b3cfe47fcbb3631b82e58aeb2c7c9c48504/apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po#L398

Update other explorers (if-applicable) https://github.com/poanetwork/blockscout/blob/12aa15671142af00b35ff05aeac107c2c686c4c8/apps/block_scout_web/config/config.exs#L22-L26

POA Core

Environment Variable	Value
METADATA_CONTRACT	`0xE3FfFD154931EB80b2aCE096EC32D6df23661203`
VALIDATORS_CONTRACT	`0xa105Db0e6671C7B5f4f350ff1Af6460E6C696e71`
LINK_TO_OTHER_EXPLORERS	`false`

POA Sokol

Environment Variable	Value
METADATA_CONTRACT	`0x81c47A798226e1b90A1b4C9dBDd844033B528D06`
VALIDATORS_CONTRACT	`0x4c6a159659CCcb033F4b2e2Be0C16ACC62b89DDB`
LINK_TO_OTHER_EXPLORERS	`false`

xDAI

Environment Variable	Value
SUPPLY_MODULE	`TokenBridge`
SOURCE_MODULE	`TransactionAndLog`
METADATA_CONTRACT	`0x61e561dc17597b15e0195a201b539ee7b9add3ff`
VALIDATORS_CONTRACT	`0x22e1229a2c5b95a60983b5577f745a603284f535`
LINK_TO_OTHER_EXPLORERS	`false`

Rinkeby, Goerli (non-hosted)

Environment Variable	Value
BLOCK_TRANSFORMER	`clique`

{% hint style="success" %} Content moved from https://forum.poa.network/t/deployment-differences-between-each-blockscout-chain/1950 {% endhint %}