adding viper

int

int

blockchain/reactor.go

@@ -6,13 +6,15 @@ import (
 	"reflect"
 	"time"
 
-	cmn "github.com/tendermint/tmlibs/common"
+	"github.com/spf13/viper"
+
 	cfg "github.com/tendermint/go-config"
-	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/go-wire"
+	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/proxy"
 	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
+	cmn "github.com/tendermint/tmlibs/common"
 )
 
 const (
@@ -43,7 +45,7 @@ type consensusReactor interface {
 type BlockchainReactor struct {
 	p2p.BaseReactor
 
-	config       cfg.Config
+	config       *viper.Viper
 	state        *sm.State
 	proxyAppConn proxy.AppConnConsensus // same as consensus.proxyAppConn
 	store        *BlockStore
@@ -57,7 +59,7 @@ type BlockchainReactor struct {
 }
 
 // NewBlockchainReactor returns new reactor instance.
-func NewBlockchainReactor(config cfg.Config, state *sm.State, proxyAppConn proxy.AppConnConsensus, store *BlockStore, fastSync bool) *BlockchainReactor {
+func NewBlockchainReactor(config *viper.Viper, state *sm.State, proxyAppConn proxy.AppConnConsensus, store *BlockStore, fastSync bool) *BlockchainReactor {
 	if state.LastBlockHeight == store.Height()-1 {
 		store.height-- // XXX HACK, make this better
 	}

cmd/tendermint/commands/root.go

@@ -2,9 +2,10 @@ package commands
 
 import (
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 
-	"github.com/tendermint/tmlibs/logger"
 	tmcfg "github.com/tendermint/tendermint/config/tendermint"
+	"github.com/tendermint/tmlibs/logger"
 )
 
 var (

config/tendermint/config.go

@@ -5,8 +5,10 @@ import (
 	"path"
 	"strings"
 
-	. "github.com/tendermint/tmlibs/common"
+	"github.com/spf13/viper"
+
 	cfg "github.com/tendermint/go-config"
+	. "github.com/tendermint/tmlibs/common"
 )
 
 func getTMRoot(rootDir string) string {
@@ -38,72 +40,76 @@ func initTMRoot(rootDir string) {
 	}
 }
 
-func GetConfig(rootDir string) cfg.Config {
+func GetConfig(rootDir string) *viper.Viper {
 	rootDir = getTMRoot(rootDir)
 	initTMRoot(rootDir)
 
-	configFilePath := path.Join(rootDir, "config.toml")
-	mapConfig, err := cfg.ReadMapConfigFromFile(configFilePath)
+	config := viper.New()
+	config.SetConfigName("config")
+	config.SetConfigType("toml")
+	config.AddConfigPath(rootDir)
+	err := viper.ReadInConfig()
 	if err != nil {
 		Exit(Fmt("Could not read config: %v", err))
 	}
+	config.WatchConfig()
 
 	// Set defaults or panic
-	if mapConfig.IsSet("chain_id") {
+	if config.IsSet("chain_id") {
 		Exit("Cannot set 'chain_id' via config.toml")
 	}
-	if mapConfig.IsSet("revision_file") {
+	if config.IsSet("revision_file") {
 		Exit("Cannot set 'revision_file' via config.toml. It must match what's in the Makefile")
 	}
-	mapConfig.SetRequired("chain_id") // blows up if you try to use it before setting.
-	mapConfig.SetDefault("genesis_file", rootDir+"/genesis.json")
-	mapConfig.SetDefault("proxy_app", "tcp://127.0.0.1:46658")
-	mapConfig.SetDefault("abci", "socket")
-	mapConfig.SetDefault("moniker", "anonymous")
-	mapConfig.SetDefault("node_laddr", "tcp://0.0.0.0:46656")
-	mapConfig.SetDefault("seeds", "")
-	// mapConfig.SetDefault("seeds", "goldenalchemist.chaintest.net:46656")
-	mapConfig.SetDefault("fast_sync", true)
-	mapConfig.SetDefault("skip_upnp", false)
-	mapConfig.SetDefault("addrbook_file", rootDir+"/addrbook.json")
-	mapConfig.SetDefault("addrbook_strict", true) // disable to allow connections locally
-	mapConfig.SetDefault("pex_reactor", false)    // enable for peer exchange
-	mapConfig.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
-	mapConfig.SetDefault("db_backend", "leveldb")
-	mapConfig.SetDefault("db_dir", rootDir+"/data")
-	mapConfig.SetDefault("log_level", "info")
-	mapConfig.SetDefault("rpc_laddr", "tcp://0.0.0.0:46657")
-	mapConfig.SetDefault("grpc_laddr", "")
-	mapConfig.SetDefault("prof_laddr", "")
-	mapConfig.SetDefault("revision_file", rootDir+"/revision")
-	mapConfig.SetDefault("cs_wal_file", rootDir+"/data/cs.wal/wal")
-	mapConfig.SetDefault("cs_wal_light", false)
-	mapConfig.SetDefault("filter_peers", false)
-
-	mapConfig.SetDefault("block_size", 10000)      // max number of txs
-	mapConfig.SetDefault("block_part_size", 65536) // part size 64K
-	mapConfig.SetDefault("disable_data_hash", false)
+	//mapConfig.SetRequired("chain_id") // blows up if you try to use it before setting.
+	config.SetDefault("genesis_file", rootDir+"/genesis.json")
+	config.SetDefault("proxy_app", "tcp://127.0.0.1:46658")
+	config.SetDefault("abci", "socket")
+	config.SetDefault("moniker", "anonymous")
+	config.SetDefault("node_laddr", "tcp://0.0.0.0:46656")
+	config.SetDefault("seeds", "")
+	// config.SetDefault("seeds", "goldenalchemist.chaintest.net:46656")
+	config.SetDefault("fast_sync", true)
+	config.SetDefault("skip_upnp", false)
+	config.SetDefault("addrbook_file", rootDir+"/addrbook.json")
+	config.SetDefault("addrbook_strict", true) // disable to allow connections locally
+	config.SetDefault("pex_reactor", false)    // enable for peer exchange
+	config.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
+	config.SetDefault("db_backend", "leveldb")
+	config.SetDefault("db_dir", rootDir+"/data")
+	config.SetDefault("log_level", "info")
+	config.SetDefault("rpc_laddr", "tcp://0.0.0.0:46657")
+	config.SetDefault("grpc_laddr", "")
+	config.SetDefault("prof_laddr", "")
+	config.SetDefault("revision_file", rootDir+"/revision")
+	config.SetDefault("cs_wal_file", rootDir+"/data/cs.wal/wal")
+	config.SetDefault("cs_wal_light", false)
+	config.SetDefault("filter_peers", false)
+
+	config.SetDefault("block_size", 10000)      // max number of txs
+	config.SetDefault("block_part_size", 65536) // part size 64K
+	config.SetDefault("disable_data_hash", false)
 
 	// all timeouts are in ms
-	mapConfig.SetDefault("timeout_handshake", 10000)
-	mapConfig.SetDefault("timeout_propose", 3000)
-	mapConfig.SetDefault("timeout_propose_delta", 500)
-	mapConfig.SetDefault("timeout_prevote", 1000)
-	mapConfig.SetDefault("timeout_prevote_delta", 500)
-	mapConfig.SetDefault("timeout_precommit", 1000)
-	mapConfig.SetDefault("timeout_precommit_delta", 500)
-	mapConfig.SetDefault("timeout_commit", 1000)
+	config.SetDefault("timeout_handshake", 10000)
+	config.SetDefault("timeout_propose", 3000)
+	config.SetDefault("timeout_propose_delta", 500)
+	config.SetDefault("timeout_prevote", 1000)
+	config.SetDefault("timeout_prevote_delta", 500)
+	config.SetDefault("timeout_precommit", 1000)
+	config.SetDefault("timeout_precommit_delta", 500)
+	config.SetDefault("timeout_commit", 1000)
 
 	// make progress asap (no `timeout_commit`) on full precommit votes
-	mapConfig.SetDefault("skip_timeout_commit", false)
-	mapConfig.SetDefault("mempool_recheck", true)
-	mapConfig.SetDefault("mempool_recheck_empty", true)
-	mapConfig.SetDefault("mempool_broadcast", true)
-	mapConfig.SetDefault("mempool_wal_dir", rootDir+"/data/mempool.wal")
+	config.SetDefault("skip_timeout_commit", false)
+	config.SetDefault("mempool_recheck", true)
+	config.SetDefault("mempool_recheck_empty", true)
+	config.SetDefault("mempool_broadcast", true)
+	config.SetDefault("mempool_wal_dir", rootDir+"/data/mempool.wal")
 
-	mapConfig.SetDefault("tx_index", "kv")
+	config.SetDefault("tx_index", "kv")
 
-	return mapConfig
+	return config
 }
 
 var defaultConfigTmpl = `# This is a TOML config file.

config/tendermint_test/config.go

@@ -3,12 +3,15 @@
 package tendermint_test
 
 import (
+	"fmt"
 	"os"
 	"path"
 	"strings"
 
-	. "github.com/tendermint/tmlibs/common"
+	"github.com/spf13/viper"
+
 	cfg "github.com/tendermint/go-config"
+	. "github.com/tendermint/tmlibs/common"
 	"github.com/tendermint/tmlibs/logger"
 )
 
@@ -53,65 +56,70 @@ func initTMRoot(rootDir string) {
 	MustWriteFile(privFilePath, []byte(defaultPrivValidator), 0644)
 }
 
-func ResetConfig(localPath string) cfg.Config {
+func ResetConfig(localPath string) *viper.Viper {
 	rootDir := os.Getenv("HOME") + "/.tendermint_test/" + localPath
 	initTMRoot(rootDir)
 
-	configFilePath := path.Join(rootDir, "config.toml")
-	mapConfig, err := cfg.ReadMapConfigFromFile(configFilePath)
+	config := viper.New()
+	config.SetConfigName("config")
+	config.SetConfigType("toml")
+	config.AddConfigPath(rootDir)
+	err := config.ReadInConfig()
 	if err != nil {
 		Exit(Fmt("Could not read config: %v", err))
 	}
+	config.WatchConfig()
 
 	// Set defaults or panic
-	if mapConfig.IsSet("chain_id") {
-		Exit("Cannot set 'chain_id' via config.toml")
+	if config.IsSet("chain_id") {
+		Exit(fmt.Sprintf("Cannot set 'chain_id' via config.toml:\n %v\n %v\n ", config.Get("chain_id"), rootDir))
 	}
-	mapConfig.SetDefault("chain_id", "tendermint_test")
-	mapConfig.SetDefault("genesis_file", rootDir+"/genesis.json")
-	mapConfig.SetDefault("proxy_app", "dummy")
-	mapConfig.SetDefault("abci", "socket")
-	mapConfig.SetDefault("moniker", "anonymous")
-	mapConfig.SetDefault("node_laddr", "tcp://0.0.0.0:36656")
-	mapConfig.SetDefault("fast_sync", false)
-	mapConfig.SetDefault("skip_upnp", true)
-	mapConfig.SetDefault("addrbook_file", rootDir+"/addrbook.json")
-	mapConfig.SetDefault("addrbook_strict", true) // disable to allow connections locally
-	mapConfig.SetDefault("pex_reactor", false)    // enable for peer exchange
-	mapConfig.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
-	mapConfig.SetDefault("db_backend", "memdb")
-	mapConfig.SetDefault("db_dir", rootDir+"/data")
-	mapConfig.SetDefault("log_level", "info")
-	mapConfig.SetDefault("rpc_laddr", "tcp://0.0.0.0:36657")
-	mapConfig.SetDefault("grpc_laddr", "tcp://0.0.0.0:36658")
-	mapConfig.SetDefault("prof_laddr", "")
-	mapConfig.SetDefault("revision_file", rootDir+"/revision")
-	mapConfig.SetDefault("cs_wal_file", rootDir+"/data/cs.wal/wal")
-	mapConfig.SetDefault("cs_wal_light", false)
-	mapConfig.SetDefault("filter_peers", false)
-
-	mapConfig.SetDefault("block_size", 10000)
-	mapConfig.SetDefault("block_part_size", 65536) // part size 64K
-	mapConfig.SetDefault("disable_data_hash", false)
-	mapConfig.SetDefault("timeout_handshake", 10000)
-	mapConfig.SetDefault("timeout_propose", 2000)
-	mapConfig.SetDefault("timeout_propose_delta", 1)
-	mapConfig.SetDefault("timeout_prevote", 10)
-	mapConfig.SetDefault("timeout_prevote_delta", 1)
-	mapConfig.SetDefault("timeout_precommit", 10)
-	mapConfig.SetDefault("timeout_precommit_delta", 1)
-	mapConfig.SetDefault("timeout_commit", 10)
-	mapConfig.SetDefault("skip_timeout_commit", true)
-	mapConfig.SetDefault("mempool_recheck", true)
-	mapConfig.SetDefault("mempool_recheck_empty", true)
-	mapConfig.SetDefault("mempool_broadcast", true)
-	mapConfig.SetDefault("mempool_wal_dir", "")
-
-	mapConfig.SetDefault("tx_index", "kv")
-
-	logger.SetLogLevel(mapConfig.GetString("log_level"))
-
-	return mapConfig
+
+	config.SetDefault("chain_id", "tendermint_test")
+	config.SetDefault("genesis_file", rootDir+"/genesis.json")
+	config.SetDefault("proxy_app", "dummy")
+	config.SetDefault("abci", "socket")
+	config.SetDefault("moniker", "anonymous")
+	config.SetDefault("node_laddr", "tcp://0.0.0.0:36656")
+	config.SetDefault("fast_sync", false)
+	config.SetDefault("skip_upnp", true)
+	config.SetDefault("addrbook_file", rootDir+"/addrbook.json")
+	config.SetDefault("addrbook_strict", true) // disable to allow connections locally
+	config.SetDefault("pex_reactor", false)    // enable for peer exchange
+	config.SetDefault("priv_validator_file", rootDir+"/priv_validator.json")
+	config.SetDefault("db_backend", "memdb")
+	config.SetDefault("db_dir", rootDir+"/data")
+	config.SetDefault("log_level", "info")
+	config.SetDefault("rpc_laddr", "tcp://0.0.0.0:36657")
+	config.SetDefault("grpc_laddr", "tcp://0.0.0.0:36658")
+	config.SetDefault("prof_laddr", "")
+	config.SetDefault("revision_file", rootDir+"/revision")
+	config.SetDefault("cs_wal_file", rootDir+"/data/cs.wal/wal")
+	config.SetDefault("cs_wal_light", false)
+	config.SetDefault("filter_peers", false)
+
+	config.SetDefault("block_size", 10000)
+	config.SetDefault("block_part_size", 65536) // part size 64K
+	config.SetDefault("disable_data_hash", false)
+	config.SetDefault("timeout_handshake", 10000)
+	config.SetDefault("timeout_propose", 2000)
+	config.SetDefault("timeout_propose_delta", 1)
+	config.SetDefault("timeout_prevote", 10)
+	config.SetDefault("timeout_prevote_delta", 1)
+	config.SetDefault("timeout_precommit", 10)
+	config.SetDefault("timeout_precommit_delta", 1)
+	config.SetDefault("timeout_commit", 10)
+	config.SetDefault("skip_timeout_commit", true)
+	config.SetDefault("mempool_recheck", true)
+	config.SetDefault("mempool_recheck_empty", true)
+	config.SetDefault("mempool_broadcast", true)
+	config.SetDefault("mempool_wal_dir", "")
+
+	config.SetDefault("tx_index", "kv")
+
+	logger.SetLogLevel(config.GetString("log_level"))
+
+	return config
 }
 
 var defaultConfigTmpl = `# This is a TOML config file.

consensus/byzantine_test.go

@@ -5,13 +5,15 @@ import (
 	"testing"
 	"time"
 
+	"github.com/spf13/viper"
+
 	"github.com/tendermint/tendermint/config/tendermint_test"
 
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
-	"github.com/tendermint/tmlibs/events"
 	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/types"
+	. "github.com/tendermint/tmlibs/common"
+	"github.com/tendermint/tmlibs/events"
 )
 
 func init() {
@@ -36,7 +38,7 @@ func TestByzantine(t *testing.T) {
 
 	switches := make([]*p2p.Switch, N)
 	for i := 0; i < N; i++ {
-		switches[i] = p2p.NewSwitch(cfg.NewMapConfig(nil))
+		switches[i] = p2p.NewSwitch(viper.New())
 	}
 
 	reactors := make([]p2p.Reactor, N)

consensus/common_test.go

@@ -11,23 +11,25 @@ import (
 	"testing"
 	"time"
 
+	"github.com/spf13/viper"
+
 	abcicli "github.com/tendermint/abci/client"
 	abci "github.com/tendermint/abci/types"
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
-	dbm "github.com/tendermint/tmlibs/db"
-	"github.com/tendermint/tendermint/p2p"
 	bc "github.com/tendermint/tendermint/blockchain"
 	"github.com/tendermint/tendermint/config/tendermint_test"
 	mempl "github.com/tendermint/tendermint/mempool"
+	"github.com/tendermint/tendermint/p2p"
 	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
+	. "github.com/tendermint/tmlibs/common"
+	dbm "github.com/tendermint/tmlibs/db"
 
 	"github.com/tendermint/abci/example/counter"
 	"github.com/tendermint/abci/example/dummy"
 )
 
-var config cfg.Config // NOTE: must be reset for each _test.go file
+var config *viper.Viper // NOTE: must be reset for each _test.go file
 var ensureTimeout = time.Duration(2)
 
 func ensureDir(dir string, mode os.FileMode) {
@@ -233,7 +235,7 @@ func newConsensusState(state *sm.State, pv *types.PrivValidator, app abci.Applic
 	return newConsensusStateWithConfig(config, state, pv, app)
 }
 
-func newConsensusStateWithConfig(thisConfig cfg.Config, state *sm.State, pv *types.PrivValidator, app abci.Application) *ConsensusState {
+func newConsensusStateWithConfig(thisConfig *viper.Viper, state *sm.State, pv *types.PrivValidator, app abci.Application) *ConsensusState {
 	// Get BlockStore
 	blockDB := dbm.NewMemDB()
 	blockStore := bc.NewBlockStore(blockDB)
@@ -256,7 +258,7 @@ func newConsensusStateWithConfig(thisConfig cfg.Config, state *sm.State, pv *typ
 	return cs
 }
 
-func loadPrivValidator(conf cfg.Config) *types.PrivValidator {
+func loadPrivValidator(conf *viper.Viper) *types.PrivValidator {
 	privValidatorFile := conf.GetString("priv_validator_file")
 	ensureDir(path.Dir(privValidatorFile), 0700)
 	privValidator := types.LoadOrGenPrivValidator(privValidatorFile)

consensus/replay.go

@@ -10,11 +10,13 @@ import (
 	"strings"
 	"time"
 
+	"github.com/spf13/viper"
+
 	abci "github.com/tendermint/abci/types"
-	auto "github.com/tendermint/tmlibs/autofile"
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
 	"github.com/tendermint/go-wire"
+	auto "github.com/tendermint/tmlibs/autofile"
+	. "github.com/tendermint/tmlibs/common"
 
 	"github.com/tendermint/tendermint/proxy"
 	sm "github.com/tendermint/tendermint/state"
@@ -199,14 +201,14 @@ func makeHeightSearchFunc(height int) auto.SearchFunc {
 // we were last and using the WAL to recover there
 
 type Handshaker struct {
-	config cfg.Config
+	config *viper.Viper
 	state  *sm.State
 	store  types.BlockStore
 
 	nBlocks int // number of blocks applied to the state
 }
 
-func NewHandshaker(config cfg.Config, state *sm.State, store types.BlockStore) *Handshaker {
+func NewHandshaker(config *viper.Viper, state *sm.State, store types.BlockStore) *Handshaker {
 	return &Handshaker{config, state, store, 0}
 }
 

consensus/replay_file.go

@@ -8,20 +8,22 @@ import (
 	"strconv"
 	"strings"
 
-	. "github.com/tendermint/tmlibs/common"
+	"github.com/spf13/viper"
+
 	cfg "github.com/tendermint/go-config"
-	dbm "github.com/tendermint/tmlibs/db"
 	bc "github.com/tendermint/tendermint/blockchain"
 	mempl "github.com/tendermint/tendermint/mempool"
 	"github.com/tendermint/tendermint/proxy"
 	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
+	. "github.com/tendermint/tmlibs/common"
+	dbm "github.com/tendermint/tmlibs/db"
 )
 
 //--------------------------------------------------------
 // replay messages interactively or all at once
 
-func RunReplayFile(config cfg.Config, walFile string, console bool) {
+func RunReplayFile(config *viper.Viper, walFile string, console bool) {
 	consensusState := newConsensusStateForReplay(config)
 
 	if err := consensusState.ReplayFile(walFile, console); err != nil {
@@ -236,7 +238,7 @@ func (pb *playback) replayConsoleLoop() int {
 //--------------------------------------------------------------------------------
 
 // convenience for replay mode
-func newConsensusStateForReplay(config cfg.Config) *ConsensusState {
+func newConsensusStateForReplay(config *viper.Viper) *ConsensusState {
 	// Get BlockStore
 	blockStoreDB := dbm.NewDB("blockstore", config.GetString("db_backend"), config.GetString("db_dir"))
 	blockStore := bc.NewBlockStore(blockStoreDB)

consensus/replay_test.go

@@ -12,17 +12,18 @@ import (
 	"testing"
 	"time"
 
-	"github.com/tendermint/tendermint/config/tendermint_test"
+	"github.com/spf13/viper"
 
 	"github.com/tendermint/abci/example/dummy"
-	cmn "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
 	"github.com/tendermint/go-crypto"
-	dbm "github.com/tendermint/tmlibs/db"
 	"github.com/tendermint/go-wire"
+	"github.com/tendermint/tendermint/config/tendermint_test"
 	"github.com/tendermint/tendermint/proxy"
 	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
+	cmn "github.com/tendermint/tmlibs/common"
+	dbm "github.com/tendermint/tmlibs/db"
 )
 
 func init() {
@@ -408,7 +409,7 @@ func buildAppStateFromChain(proxyApp proxy.AppConns,
 
 }
 
-func buildTMStateFromChain(config cfg.Config, state *sm.State, chain []*types.Block, mode uint) []byte {
+func buildTMStateFromChain(config *viper.Viper, state *sm.State, chain []*types.Block, mode uint) []byte {
 	// run the whole chain against this client to build up the tendermint state
 	clientCreator := proxy.NewLocalClientCreator(dummy.NewPersistentDummyApplication(path.Join(config.GetString("db_dir"), "1")))
 	proxyApp := proxy.NewAppConns(config, clientCreator, nil) // sm.NewHandshaker(config, state, store, ReplayLastBlock))
@@ -602,7 +603,7 @@ func makeBlockchain(t *testing.T, chainID string, nBlocks int, privVal *types.Pr
 }
 
 // fresh state and mock store
-func stateAndStore(config cfg.Config, pubKey crypto.PubKey) (*sm.State, *mockBlockStore) {
+func stateAndStore(config *viper.Viper, pubKey crypto.PubKey) (*sm.State, *mockBlockStore) {
 	stateDB := dbm.NewMemDB()
 	return sm.MakeGenesisState(stateDB, &types.GenesisDoc{
 		ChainID: config.GetString("chain_id"),
@@ -617,13 +618,13 @@ func stateAndStore(config cfg.Config, pubKey crypto.PubKey) (*sm.State, *mockBlo
 // mock block store
 
 type mockBlockStore struct {
-	config  cfg.Config
+	config  *viper.Viper
 	chain   []*types.Block
 	commits []*types.Commit
 }
 
 // TODO: NewBlockStore(db.NewMemDB) ...
-func NewMockBlockStore(config cfg.Config) *mockBlockStore {
+func NewMockBlockStore(config *viper.Viper) *mockBlockStore {
 	return &mockBlockStore{config, nil, nil}
 }
 

consensus/state.go

@@ -10,13 +10,14 @@ import (
 	"time"
 
 	"github.com/ebuchman/fail-test"
+	"github.com/spf13/viper"
 
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
 	"github.com/tendermint/go-wire"
 	"github.com/tendermint/tendermint/proxy"
 	sm "github.com/tendermint/tendermint/state"
 	"github.com/tendermint/tendermint/types"
+	. "github.com/tendermint/tmlibs/common"
 )
 
 //-----------------------------------------------------------------------------
@@ -56,7 +57,7 @@ func (tp *TimeoutParams) Commit(t time.Time) time.Time {
 }
 
 // InitTimeoutParamsFromConfig initializes parameters from config
-func InitTimeoutParamsFromConfig(config cfg.Config) *TimeoutParams {
+func InitTimeoutParamsFromConfig(config *viper.Viper) *TimeoutParams {
 	return &TimeoutParams{
 		Propose0:          config.GetInt("timeout_propose"),
 		ProposeDelta:      config.GetInt("timeout_propose_delta"),
@@ -224,7 +225,7 @@ type PrivValidator interface {
 type ConsensusState struct {
 	BaseService
 
-	config       cfg.Config
+	config       *viper.Viper
 	proxyAppConn proxy.AppConnConsensus
 	blockStore   types.BlockStore
 	mempool      types.Mempool
@@ -255,7 +256,7 @@ type ConsensusState struct {
 	done chan struct{}
 }
 
-func NewConsensusState(config cfg.Config, state *sm.State, proxyAppConn proxy.AppConnConsensus, blockStore types.BlockStore, mempool types.Mempool) *ConsensusState {
+func NewConsensusState(config *viper.Viper, state *sm.State, proxyAppConn proxy.AppConnConsensus, blockStore types.BlockStore, mempool types.Mempool) *ConsensusState {
 	cs := &ConsensusState{
 		config:           config,
 		proxyAppConn:     proxyAppConn,

glide.lock

@@ -41,8 +41,10 @@ imports:
   version: d8ed2627bdf02c080bf22230dbb337003b7aba2d
   subpackages:
   - difflib
+- name: github.com/spf13/viper
+  version: 84f94806c67f59dd7ae87bc5351f7a9c94a4558d
 - name: github.com/spf13/cobra
-  version: fcd0c5a1df88f5d6784cb4feead962c3f3d0b66c
+  version: 5deb57bbca49eb370538fc295ba4b2988f9f5e09
 - name: github.com/spf13/pflag
   version: 9ff6c6923cfffbcd502984b8e0c80539a94968b7
 - name: github.com/stretchr/testify

glide.yaml

@@ -39,6 +39,17 @@ import:
   - flowrate
   - logger
   - merkle
+- package: github.com/gogo/protobuf
+  version: ^0.3
+  subpackages:
+  - proto
+- package: github.com/gorilla/websocket
+  version: ^1.1.0
+- package: github.com/spf13/cobra
+- package: github.com/spf13/viper
+- package: github.com/spf13/pflag
+- package: github.com/pkg/errors
+  version: ^0.8.0
 - package: golang.org/x/crypto
   subpackages:
   - nacl/box

mempool/mempool.go

@@ -7,13 +7,15 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/spf13/viper"
+
 	abci "github.com/tendermint/abci/types"
-	auto "github.com/tendermint/tmlibs/autofile"
-	"github.com/tendermint/tmlibs/clist"
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
 	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/types"
+	auto "github.com/tendermint/tmlibs/autofile"
+	"github.com/tendermint/tmlibs/clist"
+	. "github.com/tendermint/tmlibs/common"
 )
 
 /*
@@ -47,7 +49,7 @@ TODO: Better handle abci client errors. (make it automatically handle connection
 const cacheSize = 100000
 
 type Mempool struct {
-	config cfg.Config
+	config *viper.Viper
 
 	proxyMtx      sync.Mutex
 	proxyAppConn  proxy.AppConnMempool
@@ -66,7 +68,7 @@ type Mempool struct {
 	wal *auto.AutoFile
 }
 
-func NewMempool(config cfg.Config, proxyAppConn proxy.AppConnMempool) *Mempool {
+func NewMempool(config *viper.Viper, proxyAppConn proxy.AppConnMempool) *Mempool {
 	mempool := &Mempool{
 		config:        config,
 		proxyAppConn:  proxyAppConn,

mempool/reactor.go

@@ -6,12 +6,14 @@ import (
 	"reflect"
 	"time"
 
+	"github.com/spf13/viper"
+
 	abci "github.com/tendermint/abci/types"
-	"github.com/tendermint/tmlibs/clist"
 	cfg "github.com/tendermint/go-config"
-	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/go-wire"
+	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/types"
+	"github.com/tendermint/tmlibs/clist"
 )
 
 const (
@@ -24,12 +26,12 @@ const (
 // MempoolReactor handles mempool tx broadcasting amongst peers.
 type MempoolReactor struct {
 	p2p.BaseReactor
-	config  cfg.Config
+	config  *viper.Viper
 	Mempool *Mempool
 	evsw    types.EventSwitch
 }
 
-func NewMempoolReactor(config cfg.Config, mempool *Mempool) *MempoolReactor {
+func NewMempoolReactor(config *viper.Viper, mempool *Mempool) *MempoolReactor {
 	memR := &MempoolReactor{
 		config:  config,
 		Mempool: mempool,

node/node.go

@@ -7,19 +7,19 @@ import (
 	"net/http"
 	"strings"
 
+	"github.com/spf13/viper"
+
 	abci "github.com/tendermint/abci/types"
-	cmn "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
 	crypto "github.com/tendermint/go-crypto"
-	dbm "github.com/tendermint/tmlibs/db"
-	p2p "github.com/tendermint/tendermint/p2p"
-	rpc "github.com/tendermint/tendermint/rpc"
-	rpcserver "github.com/tendermint/tendermint/rpc/server"
 	wire "github.com/tendermint/go-wire"
 	bc "github.com/tendermint/tendermint/blockchain"
 	"github.com/tendermint/tendermint/consensus"
 	mempl "github.com/tendermint/tendermint/mempool"
+	p2p "github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/proxy"
+	rpc "github.com/tendermint/tendermint/rpc"
+	rpcserver "github.com/tendermint/tendermint/rpc/server"
 	rpccore "github.com/tendermint/tendermint/rpc/tendermint/core"
 	grpccore "github.com/tendermint/tendermint/rpc/tendermint/grpc"
 	sm "github.com/tendermint/tendermint/state"
@@ -28,6 +28,8 @@ import (
 	"github.com/tendermint/tendermint/state/txindex/null"
 	"github.com/tendermint/tendermint/types"
 	"github.com/tendermint/tendermint/version"
+	cmn "github.com/tendermint/tmlibs/common"
+	dbm "github.com/tendermint/tmlibs/db"
 
 	_ "net/http/pprof"
 )
@@ -36,7 +38,7 @@ type Node struct {
 	cmn.BaseService
 
 	// config
-	config        cfg.Config           // user config
+	config        *viper.Viper         // user config
 	genesisDoc    *types.GenesisDoc    // initial validator set
 	privValidator *types.PrivValidator // local node's validator key
 
@@ -57,14 +59,14 @@ type Node struct {
 	txIndexer        txindex.TxIndexer
 }
 
-func NewNodeDefault(config cfg.Config) *Node {
+func NewNodeDefault(config *viper.Viper) *Node {
 	// Get PrivValidator
 	privValidatorFile := config.GetString("priv_validator_file")
 	privValidator := types.LoadOrGenPrivValidator(privValidatorFile)
 	return NewNode(config, privValidator, proxy.DefaultClientCreator(config))
 }
 
-func NewNode(config cfg.Config, privValidator *types.PrivValidator, clientCreator proxy.ClientCreator) *Node {
+func NewNode(config *viper.Viper, privValidator *types.PrivValidator, clientCreator proxy.ClientCreator) *Node {
 
 	// Get BlockStore
 	blockStoreDB := dbm.NewDB("blockstore", config.GetString("db_backend"), config.GetString("db_dir"))
@@ -134,7 +136,11 @@ func NewNode(config cfg.Config, privValidator *types.PrivValidator, clientCreato
 	consensusReactor := consensus.NewConsensusReactor(consensusState, fastSync)
 
 	// Make p2p network switch
-	sw := p2p.NewSwitch(config.GetConfig("p2p"))
+	p2pConfig := viper.New()
+	if config.IsSet("p2p") { //TODO verify this necessary, where is this ever set?
+		p2pConfig = config.Get("p2p").(*viper.Viper)
+	}
+	sw := p2p.NewSwitch(p2pConfig)
 	sw.AddReactor("MEMPOOL", mempoolReactor)
 	sw.AddReactor("BLOCKCHAIN", bcReactor)
 	sw.AddReactor("CONSENSUS", consensusReactor)

proxy/client.go

@@ -4,10 +4,11 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/spf13/viper"
+
 	abcicli "github.com/tendermint/abci/client"
 	"github.com/tendermint/abci/example/dummy"
 	"github.com/tendermint/abci/types"
-	cfg "github.com/tendermint/go-config"
 )
 
 // NewABCIClient returns newly connected client
@@ -63,7 +64,7 @@ func (r *remoteClientCreator) NewABCIClient() (abcicli.Client, error) {
 //-----------------------------------------------------------------
 // default
 
-func DefaultClientCreator(config cfg.Config) ClientCreator {
+func DefaultClientCreator(config *viper.Viper) ClientCreator {
 	addr := config.GetString("proxy_app")
 	transport := config.GetString("abci")
 

proxy/multi_app_conn.go

@@ -1,8 +1,9 @@
 package proxy
 
 import (
-	cmn "github.com/tendermint/tmlibs/common"
+	"github.com/spf13/viper"
 	cfg "github.com/tendermint/go-config"
+	cmn "github.com/tendermint/tmlibs/common"
 )
 
 //-----------------------------
@@ -16,7 +17,7 @@ type AppConns interface {
 	Query() AppConnQuery
 }
 
-func NewAppConns(config cfg.Config, clientCreator ClientCreator, handshaker Handshaker) AppConns {
+func NewAppConns(config *viper.Viper, clientCreator ClientCreator, handshaker Handshaker) AppConns {
 	return NewMultiAppConn(config, clientCreator, handshaker)
 }
 
@@ -34,7 +35,7 @@ type Handshaker interface {
 type multiAppConn struct {
 	cmn.BaseService
 
-	config cfg.Config
+	config *viper.Viper
 
 	handshaker Handshaker
 
@@ -46,7 +47,7 @@ type multiAppConn struct {
 }
 
 // Make all necessary abci connections to the application
-func NewMultiAppConn(config cfg.Config, clientCreator ClientCreator, handshaker Handshaker) *multiAppConn {
+func NewMultiAppConn(config *viper.Viper, clientCreator ClientCreator, handshaker Handshaker) *multiAppConn {
 	multiAppConn := &multiAppConn{
 		config:        config,
 		handshaker:    handshaker,

rpc/tendermint/core/pipe.go

@@ -1,11 +1,12 @@
 package core
 
 import (
+	"github.com/spf13/viper"
 	cfg "github.com/tendermint/go-config"
 
 	crypto "github.com/tendermint/go-crypto"
-	p2p "github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/consensus"
+	p2p "github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/proxy"
 	"github.com/tendermint/tendermint/state/txindex"
 	"github.com/tendermint/tendermint/types"
@@ -34,7 +35,7 @@ var (
 	// external, thread safe interfaces
 	eventSwitch   types.EventSwitch
 	proxyAppQuery proxy.AppConnQuery
-	config        cfg.Config
+	config        *viper.Viper
 
 	// interfaces defined in types and above
 	blockStore     types.BlockStore
@@ -49,7 +50,7 @@ var (
 	txIndexer txindex.TxIndexer
 )
 
-func SetConfig(c cfg.Config) {
+func SetConfig(c *viper.Viper) {
 	config = c
 }
 

rpc/tendermint/test/helpers.go

@@ -9,23 +9,24 @@ import (
 	"testing"
 	"time"
 
+	"github.com/spf13/viper"
 	"github.com/stretchr/testify/require"
-	logger "github.com/tendermint/tmlibs/logger"
 	wire "github.com/tendermint/go-wire"
+	logger "github.com/tendermint/tmlibs/logger"
 
 	abci "github.com/tendermint/abci/types"
 	cfg "github.com/tendermint/go-config"
-	client "github.com/tendermint/tendermint/rpc/client"
 	"github.com/tendermint/tendermint/config/tendermint_test"
 	nm "github.com/tendermint/tendermint/node"
 	"github.com/tendermint/tendermint/proxy"
+	client "github.com/tendermint/tendermint/rpc/client"
 	ctypes "github.com/tendermint/tendermint/rpc/tendermint/core/types"
 	core_grpc "github.com/tendermint/tendermint/rpc/tendermint/grpc"
 	"github.com/tendermint/tendermint/types"
 )
 
 var (
-	config cfg.Config
+	config *viper.Viper
 )
 
 const tmLogLevel = "error"
@@ -56,7 +57,7 @@ func makeAddrs() (string, string, string) {
 }
 
 // GetConfig returns a config for the test cases as a singleton
-func GetConfig() cfg.Config {
+func GetConfig() *viper.Viper {
 	if config == nil {
 		pathname := makePathname()
 		config = tendermint_test.ResetConfig(pathname)

state/state.go

@@ -6,10 +6,12 @@ import (
 	"sync"
 	"time"
 
+	"github.com/spf13/viper"
 	abci "github.com/tendermint/abci/types"
-	. "github.com/tendermint/tmlibs/common"
 	cfg "github.com/tendermint/go-config"
+	. "github.com/tendermint/tmlibs/common"
 	dbm "github.com/tendermint/tmlibs/db"
+
 	"github.com/tendermint/go-wire"
 	"github.com/tendermint/tendermint/state/txindex"
 	"github.com/tendermint/tendermint/state/txindex/null"
@@ -168,7 +170,7 @@ func (s *State) GetValidators() (*types.ValidatorSet, *types.ValidatorSet) {
 
 // Load the most recent state from "state" db,
 // or create a new one (and save) from genesis.
-func GetState(config cfg.Config, stateDB dbm.DB) *State {
+func GetState(config *viper.Viper, stateDB dbm.DB) *State {
 	state := LoadState(stateDB)
 	if state == nil {
 		state = MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file"))