ABI (application binary interface) of the Bridge Event.

Signature of the Bridge log, i.e.

DefaultGrpcEndpoint is the default grpc endpoint for Cosmos query services.

DefaultPrice is the default value for `Price` field in `UpdateMarketPricesRequest`.

PricefeedExchangeConfigFileName names the config file containing the exchange startup config.

UmaskUserReadWriteOnly is the Inverse Unix Permission code for only the user to read or write.

UnixProtocol is the network for gRPC protocol used by the price daemon and server.