Merge branch 'develop' into jae/fixrmssubstores

.dockerignore

@@ -0,0 +1,5 @@
+Dockerfile
+Vagrantfile
+
+build/
+coverage.txt

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## 0.15.0 (TBD)
 
+FEATURES:
+
+* Add CacheContext
+* Add auto sequencing to client
+
 BREAKING CHANGES
 
 * Remove go-wire, use go-amino

Dockerfile

@@ -1,28 +1,34 @@
-FROM alpine:3.5
+# Simple usage with a mounted data directory:
+# > docker build -t gaia .
+# > docker run -v $HOME/.gaiad:/root/.gaiad gaia init
+# > docker run -v $HOME/.gaiad:/root/.gaiad gaia start
 
-# BCHOME is where your genesis.json, key.json and other files including state are stored.
-ENV BCHOME /basecoin
+FROM alpine:edge
 
-# Create a basecoin user and group first so the IDs get set the same way, even
-# as the rest of this may change over time.
-RUN addgroup basecoin && \
-    adduser -S -G basecoin basecoin
+# Set up dependencies
+ENV PACKAGES go glide make git libc-dev bash
 
-RUN mkdir -p $BCHOME && \
-    chown -R basecoin:basecoin $BCHOME
-WORKDIR $BCHOME
+# Set up GOPATH & PATH
 
-# Expose the basecoin home directory as a volume since there's mutable state in there.
-VOLUME $BCHOME
+ENV GOPATH       /root/go
+ENV BASE_PATH    $GOPATH/src/github.com/cosmos
+ENV REPO_PATH    $BASE_PATH/cosmos-sdk
+ENV WORKDIR      /cosmos/
+ENV PATH         $GOPATH/bin:$PATH
 
-# jq and curl used for extracting `pub_key` from private validator while
-# deploying tendermint with Kubernetes. It is nice to have bash so the users
-# could execute bash commands.
-RUN apk add --no-cache bash curl jq
+# Link expected Go repo path
 
-COPY basecoin /usr/bin/basecoin
+RUN mkdir -p $WORKDIR $GOPATH/pkg $ $GOPATH/bin $BASE_PATH
 
-ENTRYPOINT ["basecoin"]
+# Add source files
 
-# By default you will get the basecoin with local MerkleEyes and in-proc Tendermint.
-CMD ["start", "--dir=${BCHOME}"]
+ADD . $REPO_PATH
+
+# Install minimum necessary dependencies, build Cosmos SDK, remove packages
+RUN apk add --no-cache $PACKAGES && \
+    cd $REPO_PATH && make get_tools && make get_vendor_deps && make all && make install && \
+    apk del $PACKAGES
+
+# Set entrypoint
+
+ENTRYPOINT ["gaiad"]

client/context/viper.go

@@ -1,27 +1,72 @@
 package context
 
 import (
+	"fmt"
 	"github.com/spf13/viper"
 
+	tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
 	rpcclient "github.com/tendermint/tendermint/rpc/client"
+	tmtypes "github.com/tendermint/tendermint/types"
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/core"
 )
 
+// NewCoreContextFromViper - return a new context with parameters from the command line
 func NewCoreContextFromViper() core.CoreContext {
 	nodeURI := viper.GetString(client.FlagNode)
 	var rpc rpcclient.Client
 	if nodeURI != "" {
 		rpc = rpcclient.NewHTTP(nodeURI, "/websocket")
 	}
+	chainID := viper.GetString(client.FlagChainID)
+	// if chain ID is not specified manually, read default chain ID
+	if chainID == "" {
+		def, err := defaultChainID()
+		if err != nil {
+			chainID = def
+		}
+	}
 	return core.CoreContext{
-		ChainID:         viper.GetString(client.FlagChainID),
+		ChainID:         chainID,
 		Height:          viper.GetInt64(client.FlagHeight),
 		TrustNode:       viper.GetBool(client.FlagTrustNode),
 		FromAddressName: viper.GetString(client.FlagName),
 		NodeURI:         nodeURI,
 		Sequence:        viper.GetInt64(client.FlagSequence),
 		Client:          rpc,
+		Decoder:         nil,
+		AccountStore:    "main",
+	}
+}
+
+// read chain ID from genesis file, if present
+func defaultChainID() (string, error) {
+	cfg, err := tcmd.ParseConfig()
+	if err != nil {
+		return "", err
+	}
+	doc, err := tmtypes.GenesisDocFromFile(cfg.GenesisFile())
+	if err != nil {
+		return "", err
+	}
+	return doc.ChainID, nil
+}
+
+// EnsureSequence - automatically set sequence number if none provided
+func EnsureSequence(ctx core.CoreContext) (core.CoreContext, error) {
+	if viper.IsSet(client.FlagSequence) {
+		return ctx, nil
+	}
+	from, err := ctx.GetFromAddress()
+	if err != nil {
+		return ctx, err
+	}
+	seq, err := ctx.NextSequence(from)
+	if err != nil {
+		return ctx, err
 	}
+	fmt.Printf("Defaulting to next sequence number: %d\n", seq)
+	ctx = ctx.WithSequence(seq)
+	return ctx, nil
 }

client/core/context.go

@@ -2,6 +2,8 @@ package core
 
 import (
 	rpcclient "github.com/tendermint/tendermint/rpc/client"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
 type CoreContext struct {
@@ -12,39 +14,61 @@ type CoreContext struct {
 	FromAddressName string
 	Sequence        int64
 	Client          rpcclient.Client
+	Decoder         sdk.AccountDecoder
+	AccountStore    string
 }
 
+// WithChainID - return a copy of the context with an updated chainID
 func (c CoreContext) WithChainID(chainID string) CoreContext {
 	c.ChainID = chainID
 	return c
 }
 
+// WithHeight - return a copy of the context with an updated height
 func (c CoreContext) WithHeight(height int64) CoreContext {
 	c.Height = height
 	return c
 }
 
+// WithTrustNode - return a copy of the context with an updated TrustNode flag
 func (c CoreContext) WithTrustNode(trustNode bool) CoreContext {
 	c.TrustNode = trustNode
 	return c
 }
 
+// WithNodeURI - return a copy of the context with an updated node URI
 func (c CoreContext) WithNodeURI(nodeURI string) CoreContext {
 	c.NodeURI = nodeURI
+	c.Client = rpcclient.NewHTTP(nodeURI, "/websocket")
 	return c
 }
 
+// WithFromAddressName - return a copy of the context with an updated from address
 func (c CoreContext) WithFromAddressName(fromAddressName string) CoreContext {
 	c.FromAddressName = fromAddressName
 	return c
 }
 
+// WithSequence - return a copy of the context with an updated sequence number
 func (c CoreContext) WithSequence(sequence int64) CoreContext {
 	c.Sequence = sequence
 	return c
 }
 
+// WithClient - return a copy of the context with an updated RPC client instance
 func (c CoreContext) WithClient(client rpcclient.Client) CoreContext {
 	c.Client = client
 	return c
 }
+
+// WithDecoder - return a copy of the context with an updated Decoder
+func (c CoreContext) WithDecoder(decoder sdk.AccountDecoder) CoreContext {
+	c.Decoder = decoder
+	return c
+}
+
+// WithAccountStore - return a copy of the context with an updated AccountStore
+func (c CoreContext) WithAccountStore(accountStore string) CoreContext {
+	c.AccountStore = accountStore
+	return c
+}

client/core/core.go

@@ -91,6 +91,9 @@ func (ctx CoreContext) SignAndBuild(name, passphrase string, msg sdk.Msg, cdc *w
 
 	// build the Sign Messsage from the Standard Message
 	chainID := ctx.ChainID
+	if chainID == "" {
+		return nil, errors.Errorf("Chain ID required but not specified")
+	}
 	sequence := ctx.Sequence
 	signMsg := sdk.StdSignMsg{
 		ChainID:   chainID,
@@ -137,6 +140,25 @@ func (ctx CoreContext) SignBuildBroadcast(name string, msg sdk.Msg, cdc *wire.Co
 	return ctx.BroadcastTx(txBytes)
 }
 
+// get the next sequence for the account address
+func (c CoreContext) NextSequence(address []byte) (int64, error) {
+	if c.Decoder == nil {
+		return 0, errors.New("AccountDecoder required but not provided")
+	}
+
+	res, err := c.Query(address, c.AccountStore)
+	if err != nil {
+		return 0, err
+	}
+
+	account, err := c.Decoder(res)
+	if err != nil {
+		panic(err)
+	}
+
+	return account.GetSequence(), nil
+}
+
 // get passphrase from std input
 func (ctx CoreContext) GetPassphraseFromStdin(name string) (pass string, err error) {
 	buf := client.BufferStdin()

examples/democoin/x/cool/commands/tx.go

@@ -10,6 +10,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/context"
 	"github.com/cosmos/cosmos-sdk/wire"
+	authcmd "github.com/cosmos/cosmos-sdk/x/auth/commands"
 
 	"github.com/cosmos/cosmos-sdk/examples/democoin/x/cool"
 )
@@ -24,7 +25,7 @@ func QuizTxCmd(cdc *wire.Codec) *cobra.Command {
 				return errors.New("You must provide an answer")
 			}
 
-			ctx := context.NewCoreContextFromViper()
+			ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
 
 			// get the from address from the name flag
 			from, err := ctx.GetFromAddress()
@@ -38,6 +39,12 @@ func QuizTxCmd(cdc *wire.Codec) *cobra.Command {
 			// get account name
 			name := viper.GetString(client.FlagName)
 
+			// default to next sequence number if none provided
+			ctx, err = context.EnsureSequence(ctx)
+			if err != nil {
+				return err
+			}
+
 			// build and sign the transaction, then broadcast to Tendermint
 			res, err := ctx.SignBuildBroadcast(name, msg, cdc)
 			if err != nil {
@@ -60,7 +67,7 @@ func SetTrendTxCmd(cdc *wire.Codec) *cobra.Command {
 				return errors.New("You must provide an answer")
 			}
 
-			ctx := context.NewCoreContextFromViper()
+			ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
 
 			// get the from address from the name flag
 			from, err := ctx.GetFromAddress()
@@ -71,6 +78,12 @@ func SetTrendTxCmd(cdc *wire.Codec) *cobra.Command {
 			// get account name
 			name := viper.GetString(client.FlagName)
 
+			// default to next sequence number if none provided
+			ctx, err = context.EnsureSequence(ctx)
+			if err != nil {
+				return err
+			}
+
 			// create the message
 			msg := cool.NewSetTrendMsg(from, args[0])
 

examples/democoin/x/pow/commands/tx.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/examples/democoin/x/pow"
 	"github.com/cosmos/cosmos-sdk/wire"
+	authcmd "github.com/cosmos/cosmos-sdk/x/auth/commands"
 )
 
 func MineCmd(cdc *wire.Codec) *cobra.Command {
@@ -24,7 +25,7 @@ func MineCmd(cdc *wire.Codec) *cobra.Command {
 
 			// get from address and parse arguments
 
-			ctx := context.NewCoreContextFromViper()
+			ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
 
 			from, err := ctx.GetFromAddress()
 			if err != nil {
@@ -53,6 +54,12 @@ func MineCmd(cdc *wire.Codec) *cobra.Command {
 			// get account name
 			name := ctx.FromAddressName
 
+			// default to next sequence number if none provided
+			ctx, err = context.EnsureSequence(ctx)
+			if err != nil {
+				return err
+			}
+
 			// build and sign the transaction, then broadcast to Tendermint
 			res, err := ctx.SignBuildBroadcast(name, msg, cdc)
 			if err != nil {

types/context.go

@@ -171,6 +171,14 @@ func (c Context) WithTxBytes(txBytes []byte) Context {
 	return c.withValue(contextKeyTxBytes, txBytes)
 }
 
+// Cache the multistore and return a new cached context. The cached context is
+// written to the context when writeCache is called.
+func (c Context) CacheContext() (cc Context, writeCache func()) {
+	cms := c.multiStore().CacheMultiStore()
+	cc = c.WithMultiStore(cms)
+	return cc, cms.Write
+}
+
 //----------------------------------------
 // thePast