From bb9b12d67a1e53bb78e282f25299c910196fa09f Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Sat, 7 Apr 2018 22:04:28 +0300
Subject: [PATCH] add scripts/wire2amino.go

---
 scripts/wire2amino.go | 181 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 181 insertions(+)
 create mode 100644 scripts/wire2amino.go

diff --git a/scripts/wire2amino.go b/scripts/wire2amino.go
new file mode 100644
index 000000000..dd81ad2d8
--- /dev/null
+++ b/scripts/wire2amino.go
@@ -0,0 +1,181 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/tendermint/go-amino"
+	crypto "github.com/tendermint/go-crypto"
+	cmn "github.com/tendermint/tmlibs/common"
+
+	"github.com/tendermint/tendermint/p2p"
+	"github.com/tendermint/tendermint/types"
+	priv_val "github.com/tendermint/tendermint/types/priv_validator"
+)
+
+type GenesisValidator struct {
+	PubKey Data   `json:"pub_key"`
+	Power  int64  `json:"power"`
+	Name   string `json:"name"`
+}
+
+type Genesis struct {
+	GenesisTime     time.Time              `json:"genesis_time"`
+	ChainID         string                 `json:"chain_id"`
+	ConsensusParams *types.ConsensusParams `json:"consensus_params,omitempty"`
+	Validators      []GenesisValidator     `json:"validators"`
+	AppHash         cmn.HexBytes           `json:"app_hash"`
+	AppStateJSON    json.RawMessage        `json:"app_state,omitempty"`
+	AppOptions      json.RawMessage        `json:"app_options,omitempty"` // DEPRECATED
+
+}
+
+type NodeKey struct {
+	PrivKey Data `json:"priv_key"`
+}
+
+type PrivVal struct {
+	Address    cmn.HexBytes `json:"address"`
+	LastHeight int64        `json:"last_height"`
+	LastRound  int          `json:"last_round"`
+	LastStep   int8         `json:"last_step"`
+	PubKey     Data         `json:"pub_key"`
+	PrivKey    Data         `json:"priv_key"`
+}
+
+type Data struct {
+	Type string       `json:"type"`
+	Data cmn.HexBytes `json:"data"`
+}
+
+func convertNodeKey(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
+	var nodeKey NodeKey
+	err := json.Unmarshal(jsonBytes, &nodeKey)
+	if err != nil {
+		return nil, err
+	}
+
+	var privKey crypto.PrivKeyEd25519
+	copy(privKey[:], nodeKey.PrivKey.Data)
+
+	nodeKeyNew := p2p.NodeKey{privKey}
+
+	bz, err := cdc.MarshalJSON(nodeKeyNew)
+	if err != nil {
+		return nil, err
+	}
+	return bz, nil
+}
+
+func convertPrivVal(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
+	var privVal PrivVal
+	err := json.Unmarshal(jsonBytes, &privVal)
+	if err != nil {
+		return nil, err
+	}
+
+	var privKey crypto.PrivKeyEd25519
+	copy(privKey[:], privVal.PrivKey.Data)
+
+	var pubKey crypto.PubKeyEd25519
+	copy(pubKey[:], privVal.PubKey.Data)
+
+	privValNew := priv_val.FilePV{
+		Address:    privVal.Address,
+		PubKey:     pubKey,
+		LastHeight: privVal.LastHeight,
+		LastRound:  privVal.LastRound,
+		LastStep:   privVal.LastStep,
+		PrivKey:    privKey,
+	}
+
+	bz, err := cdc.MarshalJSON(privValNew)
+	if err != nil {
+		return nil, err
+	}
+	return bz, nil
+}
+
+func convertGenesis(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
+	var genesis Genesis
+	err := json.Unmarshal(jsonBytes, &genesis)
+	if err != nil {
+		return nil, err
+	}
+
+	genesisNew := types.GenesisDoc{
+		GenesisTime:     genesis.GenesisTime,
+		ChainID:         genesis.ChainID,
+		ConsensusParams: genesis.ConsensusParams,
+		// Validators
+		AppHash:      genesis.AppHash,
+		AppStateJSON: genesis.AppStateJSON,
+	}
+
+	if genesis.AppOptions != nil {
+		genesisNew.AppStateJSON = genesis.AppOptions
+	}
+
+	for _, v := range genesis.Validators {
+		var pubKey crypto.PubKeyEd25519
+		copy(pubKey[:], v.PubKey.Data)
+		genesisNew.Validators = append(
+			genesisNew.Validators,
+			types.GenesisValidator{
+				PubKey: pubKey,
+				Power:  v.Power,
+				Name:   v.Name,
+			},
+		)
+
+	}
+
+	bz, err := cdc.MarshalJSON(genesisNew)
+	if err != nil {
+		return nil, err
+	}
+	return bz, nil
+}
+
+func main() {
+	cdc := amino.NewCodec()
+	crypto.RegisterAmino(cdc)
+
+	args := os.Args[1:]
+	if len(args) != 1 {
+		fmt.Println("Please specify a file to convert")
+		os.Exit(1)
+	}
+
+	filePath := args[0]
+	fileName := filepath.Base(filePath)
+
+	fileBytes, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		panic(err)
+	}
+
+	var bz []byte
+
+	switch fileName {
+	case "node_key.json":
+		bz, err = convertNodeKey(cdc, fileBytes)
+	case "priv_validator.json":
+		bz, err = convertPrivVal(cdc, fileBytes)
+	case "genesis.json":
+		bz, err = convertGenesis(cdc, fileBytes)
+	default:
+		fmt.Println("Expected file name to be in (node_key.json, priv_validator.json, genesis.json)")
+		os.Exit(1)
+	}
+
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(bz))
+
+}