fix a few things, including marshaling of tipset

chain/chain.go

@@ -155,8 +155,6 @@ func MakeGenesisBlock(bs bstore.Blockstore, w *Wallet) (*GenesisBootstrap, error
 		return nil, err
 	}
 
-	fmt.Println("genesis block is: ", sb.Cid())
-
 	return &GenesisBootstrap{
 		Genesis:  b,
 		MinerKey: minerAddr,

chain/types.go

@@ -3,6 +3,7 @@ package chain
 import (
 	"bytes"
 	"encoding/binary"
+	"encoding/json"
 	"fmt"
 	"math/big"
 
@@ -229,6 +230,25 @@ func (bi *BigInt) Nil() bool {
 	return bi.Int == nil
 }
 
+func (bi *BigInt) MarshalJSON() ([]byte, error) {
+	return json.Marshal(bi.String())
+}
+
+func (bi *BigInt) UnmarshalJSON(b []byte) error {
+	var s string
+	if err := json.Unmarshal(b, &s); err != nil {
+		return err
+	}
+
+	i, ok := big.NewInt(0).SetString(s, 10)
+	if !ok {
+		return fmt.Errorf("failed to parse bigint string")
+	}
+
+	bi.Int = i
+	return nil
+}
+
 type Actor struct {
 	Code    cid.Cid
 	Head    cid.Cid
@@ -402,6 +422,34 @@ type TipSet struct {
 	height uint64
 }
 
+// why didnt i just export the fields? Because the struct has methods with the
+// same names already
+type expTipSet struct {
+	Cids   []cid.Cid
+	Blocks []*BlockHeader
+	Height uint64
+}
+
+func (ts *TipSet) MarshalJSON() ([]byte, error) {
+	return json.Marshal(expTipSet{
+		Cids:   ts.cids,
+		Blocks: ts.blks,
+		Height: ts.height,
+	})
+}
+
+func (ts *TipSet) UnmarshalJSON(b []byte) error {
+	var ets expTipSet
+	if err := json.Unmarshal(b, &ets); err != nil {
+		return err
+	}
+
+	ts.cids = ets.Cids
+	ts.blks = ets.Blocks
+	ts.height = ets.Height
+	return nil
+}
+
 func NewTipSet(blks []*BlockHeader) (*TipSet, error) {
 	var ts TipSet
 	ts.cids = []cid.Cid{blks[0].Cid()}

daemon/cmd.go

@@ -20,10 +20,6 @@ var Cmd = &cli.Command{
 			Name:  "api",
 			Value: ":1234",
 		},
-		&cli.BoolFlag{
-			Name:  "bootstrap",
-			Usage: "start node as already bootstrapped. Useful when starting a new testnet",
-		},
 	},
 	Action: func(cctx *cli.Context) error {
 		ctx := context.Background()

miner/miner.go

@@ -103,7 +103,7 @@ func (m *Miner) GetBestMiningCandidate() (*MiningBase, error) {
 }
 
 func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*chain.BlockMsg, error) {
-	log.Info("mine one on:", base.ts.Cids())
+	log.Info("attempting to mine a block on:", base.ts.Cids())
 	ticket, err := m.scratchTicket(ctx, base)
 	if err != nil {
 		return nil, errors.Wrap(err, "scratching ticket failed")
@@ -123,8 +123,7 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*chain.BlockMsg,
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to create block")
 	}
-	log.Infof("created new block: %s", b.Cid())
-	log.Infof("new blocks parents: %s", b.Header.Parents)
+	log.Infof("mined new block: %s", b.Cid())
 
 	return b, nil
 }