[devnet] updated pangaea network configuration for devnet usage

Signed-off-by: Leo Chen <leo@harmony.one>

internal/configs/sharding/pangaea.go

@@ -9,9 +9,9 @@ import (
 
 const (
 	// PangaeaHTTPPattern is the http pattern for pangaea.
-	PangaeaHTTPPattern = "https://api.s%d.pga.hmny.io"
+	PangaeaHTTPPattern = "https://api.s%d.p.hmny.io"
 	// PangaeaWSPattern is the websocket pattern for pangaea.
-	PangaeaWSPattern = "wss://ws.s%d.pga.hmny.io"
+	PangaeaWSPattern = "wss://ws.s%d.p.hmny.io"
 )
 
 // PangaeaSchedule is the Pangaea sharding configuration schedule.
@@ -51,7 +51,7 @@ func (ps pangaeaSchedule) ConsensusRatio() float64 {
 var pangaeaReshardingEpoch = []*big.Int{common.Big0}
 
 var pangaeaV0 = MustNewInstance(
-	4, 250, 20, genesis.PangaeaAccounts, genesis.FoundationalPangaeaAccounts, pangaeaReshardingEpoch)
+	2, 50, 41, genesis.PangaeaAccounts, genesis.FoundationalPangaeaAccounts, pangaeaReshardingEpoch)
 
 // TODO: remove it after randomness feature turned on mainnet
 //RandonnessStartingEpoch returns starting epoch of randonness generation