From 19a65319ee2bd120e87f1b68120fe10e8a83bcdf Mon Sep 17 00:00:00 2001
From: whyrusleeping <why@ipfs.io>
Date: Thu, 30 Jan 2020 18:13:53 -0800
Subject: [PATCH] test and fix fork, add bigint parsing to lotus shed

---
 build/forks.go           |  2 +-
 chain/stmgr/forks.go     |  4 ++--
 cmd/lotus-shed/bigint.go | 47 ++++++++++++++++++++++++++++++++++++++++
 cmd/lotus-shed/main.go   |  1 +
 4 files changed, 51 insertions(+), 3 deletions(-)
 create mode 100644 cmd/lotus-shed/bigint.go

diff --git a/build/forks.go b/build/forks.go
index 6002f89eb..02c0282bb 100644
--- a/build/forks.go
+++ b/build/forks.go
@@ -6,4 +6,4 @@ const ForkFrigidHeight = 7950
 
 const ForkBootyBayHeight = 11000
 
-const ForkMissingSnowballs = 32000
+const ForkMissingSnowballs = 33000
diff --git a/chain/stmgr/forks.go b/chain/stmgr/forks.go
index eb98029c6..8576b923f 100644
--- a/chain/stmgr/forks.go
+++ b/chain/stmgr/forks.go
@@ -40,7 +40,7 @@ func (sm *StateManager) handleStateForks(ctx context.Context, pstate cid.Cid, he
 			log.Warnw("Adding more snow to the world", "height", i)
 			pstate, err = fixTooFewSnowballs(ctx, sm, pstate)
 			if err != nil {
-				return cid.Undef, xerrors.Errorf("booty bay bug fix failed: %w", err)
+				return cid.Undef, xerrors.Errorf("missing snowballs bug fix failed: %w", err)
 			}
 		}
 	}
@@ -89,7 +89,7 @@ func fixTooFewSnowballs(ctx context.Context, sm *StateManager, pstate cid.Cid) (
 	}
 
 	spast.TotalStorage.Int = sum
-	nspahead, err := cst.Put(ctx, spast)
+	nspahead, err := cst.Put(ctx, &spast)
 	if err != nil {
 		return cid.Undef, err
 	}
diff --git a/cmd/lotus-shed/bigint.go b/cmd/lotus-shed/bigint.go
new file mode 100644
index 000000000..3db0de68d
--- /dev/null
+++ b/cmd/lotus-shed/bigint.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"encoding/base64"
+	"encoding/hex"
+	"fmt"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"gopkg.in/urfave/cli.v2"
+)
+
+var bigIntParseCmd = &cli.Command{
+	Name:        "bigint",
+	Description: "parse encoded big ints",
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:  "enc",
+			Value: "base64",
+			Usage: "specify input encoding to parse",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		val := cctx.Args().Get(0)
+
+		var dec []byte
+		switch cctx.String("enc") {
+		case "base64":
+			d, err := base64.StdEncoding.DecodeString(val)
+			if err != nil {
+				return fmt.Errorf("decoding base64 value: %w", err)
+			}
+			dec = d
+		case "hex":
+			d, err := hex.DecodeString(val)
+			if err != nil {
+				return fmt.Errorf("decoding hex value: %w", err)
+			}
+			dec = d
+		default:
+			return fmt.Errorf("unrecognized encoding: %s", cctx.String("enc"))
+		}
+
+		iv := types.BigFromBytes(dec)
+		fmt.Println(iv.String())
+		return nil
+	},
+}
diff --git a/cmd/lotus-shed/main.go b/cmd/lotus-shed/main.go
index fe8abb233..749ff2945 100644
--- a/cmd/lotus-shed/main.go
+++ b/cmd/lotus-shed/main.go
@@ -20,6 +20,7 @@ func main() {
 		keyinfoCmd,
 		peerkeyCmd,
 		noncefix,
+		bigIntParseCmd,
 	}
 
 	app := &cli.App{