Update Cortina times for Flare and Songbird network files

Author: Marko Boben

README.md

@@ -1,13 +1,13 @@
 # go-flare
 
-**Please note that this release is unable to run Flare or Songbird mainnets - and will display "mainnet is not supported" if attempted to run with flare or songbird network id configuration.**
+go-flare is a modified version of [avalanchego@v1.10.0](https://github.com/ava-labs/avalanchego/releases/tag/v1.10.0) and [coreth@v0.12.0](https://github.com/ava-labs/coreth/releases/tag/v0.12.0), incorporating specific features for Flare and Songbird networks. These features include prioritized contract handling and the invocation of the daemon contract.
 
-**Testnets should be updated to this version before**
+**Networks should be updated to this version before**
+
+- **Songbird: May 6, 2025 at 12 UTC**
+- **Flare: May 13, 2025 at 12 UTC**
 
-- **Coston (Songbird testnet): March 27, 2025 at 13 UTC**
-- **Coston 2 (Flare testnet) : April 8, 2025 at 12 UTC**
 
-go-flare is a modified version of [avalanchego@v1.10.0](https://github.com/ava-labs/avalanchego/releases/tag/v1.10.0) and [coreth@v0.12.0](https://github.com/ava-labs/coreth/releases/tag/v0.12.0), incorporating specific features for Flare and Songbird networks. These features include prioritized contract handling and the invocation of the daemon contract.
 
 ## System Requirements
 

avalanchego/config/config.go

@@ -1330,10 +1330,6 @@ func GetNodeConfig(v *viper.Viper) (node.Config, error) {
 		return node.Config{}, err
 	}
 
-	if nodeConfig.NetworkID == constants.FlareID || nodeConfig.NetworkID == constants.SongbirdID {
-		return node.Config{}, errors.New("mainnet is not supported")
-	}
-
 	// Database
 	nodeConfig.DatabaseConfig, err = getDatabaseConfig(v, nodeConfig.NetworkID)
 	if err != nil {

avalanchego/version/constants.go

@@ -144,12 +144,12 @@ var (
 
 	CortinaTimes = map[uint32]time.Time{
 		constants.MainnetID:    time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
-		constants.FlareID:      time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
+		constants.FlareID:      time.Date(2025, time.May, 13, 12, 0, 0, 0, time.UTC),
 		constants.CostwoID:     time.Date(2025, time.April, 8, 12, 0, 0, 0, time.UTC),
 		constants.StagingID:    time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
 		constants.LocalFlareID: time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
 		constants.CostonID:     time.Date(2025, time.March, 27, 13, 0, 0, 0, time.UTC),
-		constants.SongbirdID:   time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
+		constants.SongbirdID:   time.Date(2025, time.May, 6, 12, 0, 0, 0, time.UTC),
 		constants.LocalID:      time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
 	}
 	CortinaDefaultTime = time.Date(2020, time.December, 5, 5, 0, 0, 0, time.UTC)

coreth/params/config.go

@@ -165,7 +165,7 @@ var (
 		ApricotPhase6BlockTimestamp:     big.NewInt(time.Date(2024, time.December, 17, 13, 0, 0, 0, time.UTC).Unix()),
 		ApricotPhasePost6BlockTimestamp: big.NewInt(time.Date(2024, time.December, 17, 14, 0, 0, 0, time.UTC).Unix()),
 		BanffBlockTimestamp:             big.NewInt(time.Date(2024, time.December, 17, 15, 0, 0, 0, time.UTC).Unix()),
-		CortinaBlockTimestamp:           big.NewInt(time.Date(10000, time.January, 1, 0, 0, 0, 0, time.UTC).Unix()),
+		CortinaBlockTimestamp:           big.NewInt(time.Date(2025, time.May, 13, 12, 0, 0, 0, time.UTC).Unix()),
 	}
 
 	CostwoChainConfig = &ChainConfig{
@@ -327,7 +327,7 @@ var (
 		ApricotPhase6BlockTimestamp:     big.NewInt(time.Date(2025, time.January, 28, 13, 0, 0, 0, time.UTC).Unix()),
 		ApricotPhasePost6BlockTimestamp: big.NewInt(time.Date(2025, time.January, 28, 14, 0, 0, 0, time.UTC).Unix()),
 		BanffBlockTimestamp:             big.NewInt(time.Date(2025, time.January, 28, 15, 0, 0, 0, time.UTC).Unix()),
-		CortinaBlockTimestamp:           big.NewInt(time.Date(10000, time.January, 1, 0, 0, 0, 0, time.UTC).Unix()),
+		CortinaBlockTimestamp:           big.NewInt(time.Date(2025, time.May, 6, 12, 0, 0, 0, time.UTC).Unix()),
 	}
 
 	TestChainConfig              = &ChainConfig{AvalancheContext{common.Hash{1}}, big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0)}