[config] Create Testnet config

internal/configs/sharding/testnet.go

@@ -21,9 +21,9 @@ const (
 	testnetVdfDifficulty = 10000 // This takes about 20s to finish the vdf
 
 	// TestNetHTTPPattern is the http pattern for testnet.
-	TestNetHTTPPattern = "https://api.s%d.tn.hmny.io"
+	TestNetHTTPPattern = "https://api.s%d.b.hmny.io"
 	// TestNetWSPattern is the websocket pattern for testnet.
-	TestNetWSPattern = "wss://ws.s%d.tn.hmny.io"
+	TestNetWSPattern = "wss://ws.s%d.b.hmny.io"
 )
 
 func (testnetSchedule) InstanceForEpoch(epoch *big.Int) Instance {
@@ -81,5 +81,5 @@ var testnetReshardingEpoch = []*big.Int{
 	params.TestnetChainConfig.StakingEpoch,
 }
 
-var testnetV0 = MustNewInstance(4, 30, 25, numeric.OneDec(), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())
-var testnetV1 = MustNewInstance(4, 50, 25, numeric.MustNewDecFromStr("0.68"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())
+var testnetV0 = MustNewInstance(4, 20, 15, numeric.OneDec(), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())
+var testnetV1 = MustNewInstance(4, 20, 15, numeric.MustNewDecFromStr("0.90"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())

internal/params/config.go

@@ -39,9 +39,9 @@ var (
 	TestnetChainConfig = &ChainConfig{
 		ChainID:         TestnetChainID,
 		CrossTxEpoch:    big.NewInt(0),
-		CrossLinkEpoch:  big.NewInt(4),
-		StakingEpoch:    big.NewInt(4),
-		PreStakingEpoch: big.NewInt(2),
+		CrossLinkEpoch:  big.NewInt(2),
+		StakingEpoch:    big.NewInt(2),
+		PreStakingEpoch: big.NewInt(1),
 		EIP155Epoch:     big.NewInt(0),
 		S3Epoch:         big.NewInt(0),
 		ReceiptLogEpoch: big.NewInt(0),