use different database file names for btc signet and testnet4

zetaclient/orchestrator/bootstrap.go

@@ -11,6 +11,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/tonkeeper/tongo/ton"
 
+	"github.com/zeta-chain/node/pkg/chains"
 	toncontracts "github.com/zeta-chain/node/pkg/contracts/ton"
 	"github.com/zeta-chain/node/zetaclient/chains/base"
 	btcobserver "github.com/zeta-chain/node/zetaclient/chains/bitcoin/observer"
@@ -32,10 +33,6 @@ import (
 	"github.com/zeta-chain/node/zetaclient/metrics"
 )
 
-// btcDatabaseFilename is the Bitcoin database file name now used in mainnet,
-// so we keep using it here for backward compatibility
-const btcDatabaseFilename = "btc_chain_client"
-
 // CreateSignerMap creates a map of interfaces.ChainSigner (by chainID) for all chains in the config.
 // Note that signer construction failure for a chain does not prevent the creation of signers for other chains.
 func CreateSignerMap(
@@ -363,7 +360,7 @@ func syncObserverMap(
 				continue
 			}
 
-			database, err := db.NewFromSqlite(dbpath, btcDatabaseFilename, true)
+			database, err := db.NewFromSqlite(dbpath, btcDatabaseFileName(*rawChain), true)
 			if err != nil {
 				logger.Std.Error().Err(err).Msgf("unable to open database for BTC chain %d", chainID)
 				continue
@@ -481,6 +478,20 @@ func syncObserverMap(
 	return added, removed, nil
 }
 
+func btcDatabaseFileName(chain chains.Chain) string {
+	// btcDatabaseFilename is the Bitcoin database file name now used in mainnet and testnet3
+	// so we keep using it here for backward compatibility
+	const btcDatabaseFilename = "btc_chain_client"
+
+	// For additional bitcoin networks, we use the chain name as the database file name
+	switch chain.ChainId {
+	case chains.BitcoinMainnet.ChainId, chains.BitcoinTestnet.ChainId:
+		return btcDatabaseFilename
+	default:
+		return chain.Name
+	}
+}
+
 func makeTONClient(
 	ctx context.Context,
 	cfg config.TONConfig,