Merge pull request #1687 from filecoin-project/feat/min-miner-2g

set minimum miner size to 2g

build/params_testnet.go

@@ -5,8 +5,14 @@ package build
 
 import (
 	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
 )
 
+func init() {
+	power.ConsensusMinerMinPower = big.NewInt(2 << 30)
+}
+
 var SectorSizes = []abi.SectorSize{
 	512 << 20,
 	32 << 30,