Use params network config as default bootstrap nodes and deposit contract (#7904)

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

beacon-chain/flags/BUILD.bazel

@@ -11,6 +11,7 @@ go_library(
     visibility = ["//beacon-chain:__subpackages__"],
     deps = [
         "//shared/cmd:go_default_library",
+        "//shared/params:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@com_github_urfave_cli_v2//:go_default_library",
     ],

beacon-chain/flags/base.go

@@ -3,6 +3,7 @@
 package flags
 
 import (
+	"github.com/prysmaticlabs/prysm/shared/params"
 	"github.com/urfave/cli/v2"
 )
 
@@ -17,7 +18,7 @@ var (
 	DepositContractFlag = &cli.StringFlag{
 		Name:  "deposit-contract",
 		Usage: "Deposit contract address. Beacon chain node will listen logs coming from the deposit contract to determine when validator is eligible to participate.",
-		Value: "0x07b39F4fDE4A38bACe212b546dAc87C58DfE3fDC", // Medalla deposit contract address.
+		Value: params.BeaconNetworkConfig().DepositContractAddress,
 	}
 	// RPCHost defines the host on which the RPC server should listen.
 	RPCHost = &cli.StringFlag{

shared/cmd/flags.go

@@ -2,6 +2,7 @@
 package cmd
 
 import (
+	"github.com/prysmaticlabs/prysm/shared/params"
 	"github.com/urfave/cli/v2"
 	"github.com/urfave/cli/v2/altsrc"
 )
@@ -84,12 +85,7 @@ var (
 	BootstrapNode = &cli.StringSliceFlag{
 		Name:  "bootstrap-node",
 		Usage: "The address of bootstrap node. Beacon node will connect for peer discovery via DHT.  Multiple nodes can be passed by using the flag multiple times but not comma-separated. You can also pass YAML files containing multiple nodes.",
-		Value: cli.NewStringSlice(
-			// Discv5
-			"enr:-Ku4QMKVC_MowDsmEa20d5uGjrChI0h8_KsKXDmgVQbIbngZV0idV6_RL7fEtZGo-kTNZ5o7_EJI_vCPJ6scrhwX0Z4Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQJxCnE6v_x2ekgY_uoE1rtwzvGy40mq9eD66XfHPBWgIIN1ZHCCD6A",
-			// Discv5.1
-			"enr:-Ku4QOnVSyvzS3VbF87J8MubaRuTyfPi6B67XQg6-5eAV_uILAhn9geTTQmfqDIOcIeAxWHUUajQp6lYniAXPWncp6UBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpAYrkzLAAAAAf__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQKekYKqUtwbaJKKCct_srE5-g7tBUm68mj_jpeSb7CCqYN1ZHCCC7g",
-		),
+		Value: cli.NewStringSlice(params.BeaconNetworkConfig().BootstrapNodes...),
 	}
 	// RelayNode tells the beacon node which relay node to connect to.
 	RelayNode = &cli.StringFlag{