Add height in exported genesis

baseapp/abci.go

@@ -23,7 +23,14 @@ import (
 // InitChain implements the ABCI interface. It runs the initialization logic
 // directly on the CommitMultiStore.
 func (app *BaseApp) InitChain(req abci.RequestInitChain) (res abci.ResponseInitChain) {
-	initHeader := tmproto.Header{ChainID: req.ChainId, Time: req.Time}
+	initHeader := tmproto.Header{ChainID: req.ChainId, Height: req.InitialHeight, Time: req.Time}
+
+	if req.InitialHeight > 0 {
+		err := app.cms.SetInitialVersion(req.InitialHeight)
+		if err != nil {
+			panic(err)
+		}
+	}
 
 	// initialize the deliver state and check state with a correct header
 	app.setDeliverState(initHeader)
@@ -60,13 +67,13 @@ func (app *BaseApp) InitChain(req abci.RequestInitChain) (res abci.ResponseInitC
 		sort.Sort(abci.ValidatorUpdates(res.Validators))
 
 		for i := range res.Validators {
-			if proto.Equal(&res.Validators[i], &req.Validators[i]) {
+			if !proto.Equal(&res.Validators[i], &req.Validators[i]) {
 				panic(fmt.Errorf("genesisValidators[%d] != req.Validators[%d] ", i, i))
 			}
 		}
 	}
 
-	// NOTE: We don't commit, but BeginBlock for block 1 starts from this
+	// NOTE: We don't commit, but BeginBlock for block `initial_height` starts from this
 	// deliverState.
 	return res
 }
@@ -97,7 +104,7 @@ func (app *BaseApp) FilterPeerByAddrPort(info string) abci.ResponseQuery {
 	return abci.ResponseQuery{}
 }
 
-// FilterPeerByIDfilters peers by node ID.
+// FilterPeerByID filters peers by node ID.
 func (app *BaseApp) FilterPeerByID(info string) abci.ResponseQuery {
 	if app.idPeerFilter != nil {
 		return app.idPeerFilter(info)

baseapp/baseapp.go

@@ -206,12 +206,6 @@ func (app *BaseApp) MountMemoryStores(keys map[string]*sdk.MemoryStoreKey) {
 	}
 }
 
-// MountStoreWithDB mounts a store to the provided key in the BaseApp
-// multistore, using a specified DB.
-func (app *BaseApp) MountStoreWithDB(key sdk.StoreKey, typ sdk.StoreType, db dbm.DB) {
-	app.cms.MountStoreWithDB(key, typ, db)
-}
-
 // MountStore mounts a store to the provided key in the BaseApp multistore,
 // using the default DB.
 func (app *BaseApp) MountStore(key sdk.StoreKey, typ sdk.StoreType) {

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/confio/ics23/go v0.0.0-20200804135932-65ad804e8539
 	github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d
-	github.com/cosmos/iavl v0.15.0-rc2
+	github.com/cosmos/iavl v0.15.0-rc2.0.20200826144708-9ea987bad050
 	github.com/cosmos/ledger-cosmos-go v0.11.1
 	github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25
 	github.com/gogo/gateway v1.1.0

go.sum

@@ -109,6 +109,8 @@ github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fj
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d/go.mod h1:tSxLoYXyBmiFeKpvmq4dzayMdCjCnu8uqmCysIGBT2Y=
 github.com/cosmos/iavl v0.15.0-rc2 h1:4HI/LYLjWUnou8dehPD+NqEsDc8uamJOU2yHcqdTKv8=
 github.com/cosmos/iavl v0.15.0-rc2/go.mod h1:bXLXbwmww0kYtAYRCYNXR/k44lWaK8rIZJlCmqSK8lQ=
+github.com/cosmos/iavl v0.15.0-rc2.0.20200826144708-9ea987bad050 h1:BUVAB5KQg+uH/dTuaXhm+AKh/LC9OoYJqPezPKvONnY=
+github.com/cosmos/iavl v0.15.0-rc2.0.20200826144708-9ea987bad050/go.mod h1:tzsrhsQoOLtkvm1ASF1MpiipQDw0EMGcQWtAgo6S56Y=
 github.com/cosmos/ledger-cosmos-go v0.11.1 h1:9JIYsGnXP613pb2vPjFeMMjBI5lEDsEaF6oYorTy6J4=
 github.com/cosmos/ledger-cosmos-go v0.11.1/go.mod h1:J8//BsAGTo3OC/vDLjMRFLW6q0WAaXvHnVc7ZmE8iUY=
 github.com/cosmos/ledger-go v0.9.2 h1:Nnao/dLwaVTk1Q5U9THldpUMMXU94BOTWPddSmVB6pI=
@@ -165,6 +167,7 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo=
@@ -246,11 +249,13 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
+github.com/grpc-ecosystem/go-grpc-middleware v1.2.1/go.mod h1:EaizFBKfUKtMIF5iaDEhniwNedqGo9FuLFzppDr3uwI=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.8.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5 h1:UImYN5qQ8tuGpGE16ZmjvcTtTw24zw1QAp/SlnNrZhI=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/grpc-ecosystem/grpc-gateway v1.14.6/go.mod h1:zdiPV4Yse/1gnckTHtghG4GkDEdKCRJduHpTxT3/jcw=
 github.com/grpc-ecosystem/grpc-gateway v1.14.7 h1:Nk5kuHrnWUTf/0GL1a/vchH/om9Ap2/HnVna+jYZgTY=
 github.com/grpc-ecosystem/grpc-gateway v1.14.7/go.mod h1:oYZKL012gGh6LMyg/xA7Q2yq6j8bu0wa+9w14EEthWU=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c h1:6rhixN/i8ZofjG1Y75iExal34USq5p+wiN1tpie8IrU=
@@ -600,6 +605,7 @@ golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxT
 golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136 h1:A1gGSx58LAGVHUUsOf7IiR0u8Xb6W51gRwfDBhkdcaw=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
+golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -615,6 +621,7 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -637,6 +644,7 @@ golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrSV+Z2tcbze+pEc3v5W4=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -672,12 +680,14 @@ golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 h1:ogLJMz+qpzav7lGMh10LMvAkM/fAoGlaiiHYiFYdm80=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae h1:Ih9Yo4hSPImZOpfGuA4bR/ORKTAbhZo2AbWNRCnevdo=
@@ -713,6 +723,7 @@ golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200110213125-a7a6caa82ab2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
@@ -742,6 +753,7 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200324203455-a04cca1dde73/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
@@ -759,6 +771,7 @@ google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQ
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.31.0 h1:T7P4R73V3SSDPhH7WW7ATbfViLtmamH0DKrP3f9AuDI=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.1 h1:SfXqXS5hkufcdZ/mHtYCh53P2b+92WQq/DZcKLgsFRs=

server/export.go

@@ -3,12 +3,12 @@ package server
 // DONTCOVER
 
 import (
-	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"os"
 
 	"github.com/spf13/cobra"
+	tmjson "github.com/tendermint/tendermint/libs/json"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 	tmtypes "github.com/tendermint/tendermint/types"
 
@@ -64,7 +64,7 @@ func ExportCmd(appExporter types.AppExporter, defaultNodeHome string) *cobra.Com
 			forZeroHeight, _ := cmd.Flags().GetBool(FlagForZeroHeight)
 			jailAllowedAddrs, _ := cmd.Flags().GetStringSlice(FlagJailAllowedAddrs)
 
-			appState, validators, cp, err := appExporter(serverCtx.Logger, db, traceWriter, height, forZeroHeight, jailAllowedAddrs)
+			exported, err := appExporter(serverCtx.Logger, db, traceWriter, height, forZeroHeight, jailAllowedAddrs)
 			if err != nil {
 				return fmt.Errorf("error exporting state: %v", err)
 			}
@@ -74,29 +74,30 @@ func ExportCmd(appExporter types.AppExporter, defaultNodeHome string) *cobra.Com
 				return err
 			}
 
-			doc.AppState = appState
-			doc.Validators = validators
+			doc.AppState = exported.AppState
+			doc.Validators = exported.Validators
+			doc.InitialHeight = exported.Height
 			doc.ConsensusParams = &tmproto.ConsensusParams{
 				Block: tmproto.BlockParams{
-					MaxBytes:   cp.Block.MaxBytes,
-					MaxGas:     cp.Block.MaxGas,
+					MaxBytes:   exported.ConsensusParams.Block.MaxBytes,
+					MaxGas:     exported.ConsensusParams.Block.MaxGas,
 					TimeIotaMs: doc.ConsensusParams.Block.TimeIotaMs,
 				},
 				Evidence: tmproto.EvidenceParams{
-					MaxAgeNumBlocks:  cp.Evidence.MaxAgeNumBlocks,
-					MaxAgeDuration:   cp.Evidence.MaxAgeDuration,
-					MaxNum:           cp.Evidence.MaxNum,
-					ProofTrialPeriod: cp.Evidence.ProofTrialPeriod,
+					MaxAgeNumBlocks:  exported.ConsensusParams.Evidence.MaxAgeNumBlocks,
+					MaxAgeDuration:   exported.ConsensusParams.Evidence.MaxAgeDuration,
+					MaxNum:           exported.ConsensusParams.Evidence.MaxNum,
+					ProofTrialPeriod: exported.ConsensusParams.Evidence.ProofTrialPeriod,
 				},
 				Validator: tmproto.ValidatorParams{
-					PubKeyTypes: cp.Validator.PubKeyTypes,
+					PubKeyTypes: exported.ConsensusParams.Validator.PubKeyTypes,
 				},
 			}
 
-			// NOTE: for now we're just using standard JSON marshaling for the root GenesisDoc.
-			// These types are in Tendermint, don't support proto and as far as we know, don't need it.
-			// All of the protobuf/amino state is inside AppState
-			encoded, err := json.MarshalIndent(doc, "", " ")
+			// NOTE: Tendermint uses a custom JSON decoder for GenesisDoc
+			// (except for stuff inside AppState). Inside AppState, we're free
+			// to encode as protobuf or amino.
+			encoded, err := tmjson.Marshal(doc)
 			if err != nil {
 				return err
 			}

server/export_test.go

@@ -10,15 +10,19 @@ import (
 	"path"
 	"testing"
 
+	"github.com/spf13/cobra"
 	"github.com/stretchr/testify/require"
 
 	abci "github.com/tendermint/tendermint/abci/types"
+	tmjson "github.com/tendermint/tendermint/libs/json"
 	"github.com/tendermint/tendermint/libs/log"
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 	tmtypes "github.com/tendermint/tendermint/types"
 	dbm "github.com/tendermint/tm-db"
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/testutil"
 	"github.com/cosmos/cosmos-sdk/types/errors"
@@ -29,6 +33,56 @@ func TestExportCmd_ConsensusParams(t *testing.T) {
 	tempDir, clean := testutil.NewTestCaseDir(t)
 	defer clean()
 
+	_, ctx, genDoc, cmd := setupApp(t, tempDir)
+
+	output := &bytes.Buffer{}
+	cmd.SetOut(output)
+	cmd.SetArgs([]string{fmt.Sprintf("--%s=%s", flags.FlagHome, tempDir)})
+	require.NoError(t, cmd.ExecuteContext(ctx))
+
+	var exportedGenDoc tmtypes.GenesisDoc
+	err := tmjson.Unmarshal(output.Bytes(), &exportedGenDoc)
+	if err != nil {
+		t.Fatalf("error unmarshaling exported genesis doc: %s", err)
+	}
+
+	require.Equal(t, genDoc.ConsensusParams.Block.TimeIotaMs, exportedGenDoc.ConsensusParams.Block.TimeIotaMs)
+	require.Equal(t, simapp.DefaultConsensusParams.Block.MaxBytes, exportedGenDoc.ConsensusParams.Block.MaxBytes)
+	require.Equal(t, simapp.DefaultConsensusParams.Block.MaxGas, exportedGenDoc.ConsensusParams.Block.MaxGas)
+
+	require.Equal(t, simapp.DefaultConsensusParams.Evidence.MaxAgeDuration, exportedGenDoc.ConsensusParams.Evidence.MaxAgeDuration)
+	require.Equal(t, simapp.DefaultConsensusParams.Evidence.MaxAgeNumBlocks, exportedGenDoc.ConsensusParams.Evidence.MaxAgeNumBlocks)
+
+	require.Equal(t, simapp.DefaultConsensusParams.Validator.PubKeyTypes, exportedGenDoc.ConsensusParams.Validator.PubKeyTypes)
+}
+
+func TestExportCmd_Height(t *testing.T) {
+	tempDir, clean := testutil.NewTestCaseDir(t)
+	defer clean()
+
+	app, ctx, _, cmd := setupApp(t, tempDir)
+
+	// Fast forward to block 3.
+	app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: 2}})
+	app.Commit()
+	app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: 3}})
+	app.Commit()
+
+	output := &bytes.Buffer{}
+	cmd.SetOut(output)
+	cmd.SetArgs([]string{fmt.Sprintf("--%s=%s", flags.FlagHome, tempDir)})
+	require.NoError(t, cmd.ExecuteContext(ctx))
+
+	var exportedGenDoc tmtypes.GenesisDoc
+	err := tmjson.Unmarshal(output.Bytes(), &exportedGenDoc)
+	if err != nil {
+		t.Fatalf("error unmarshaling exported genesis doc: %s", err)
+	}
+
+	require.Equal(t, int64(4), exportedGenDoc.InitialHeight)
+}
+
+func setupApp(t *testing.T, tempDir string) (*simapp.SimApp, context.Context, *tmtypes.GenesisDoc, *cobra.Command) {
 	err := createConfigFolder(tempDir)
 	if err != nil {
 		t.Fatalf("error creating config folder: %s", err)
@@ -44,6 +98,7 @@ func TestExportCmd_ConsensusParams(t *testing.T) {
 
 	genDoc := newDefaultGenesisDoc()
 	err = saveGenesisFile(genDoc, serverCtx.Config.GenesisFile())
+	require.NoError(t, err)
 
 	app.InitChain(
 		abci.RequestInitChain{
@@ -56,33 +111,15 @@ func TestExportCmd_ConsensusParams(t *testing.T) {
 	app.Commit()
 
 	cmd := ExportCmd(
-		func(logger log.Logger, db dbm.DB, writer io.Writer, i int64, b bool, strings []string) (json.RawMessage, []tmtypes.GenesisValidator, *abci.ConsensusParams, error) {
+		func(logger log.Logger, db dbm.DB, writer io.Writer, i int64, b bool, strings []string) (types.ExportedApp, error) {
 			return app.ExportAppStateAndValidators(true, []string{})
 		}, tempDir)
 
 	ctx := context.Background()
 	ctx = context.WithValue(ctx, client.ClientContextKey, &clientCtx)
 	ctx = context.WithValue(ctx, ServerContextKey, serverCtx)
 
-	output := &bytes.Buffer{}
-	cmd.SetOut(output)
-	cmd.SetArgs([]string{fmt.Sprintf("--%s=%s", flags.FlagHome, tempDir)})
-	require.NoError(t, cmd.ExecuteContext(ctx))
-
-	var exportedGenDoc tmtypes.GenesisDoc
-	err = json.Unmarshal(output.Bytes(), &exportedGenDoc)
-	if err != nil {
-		t.Fatalf("error unmarshaling exported genesis doc: %s", err)
-	}
-
-	require.Equal(t, genDoc.ConsensusParams.Block.TimeIotaMs, exportedGenDoc.ConsensusParams.Block.TimeIotaMs)
-	require.Equal(t, simapp.DefaultConsensusParams.Block.MaxBytes, exportedGenDoc.ConsensusParams.Block.MaxBytes)
-	require.Equal(t, simapp.DefaultConsensusParams.Block.MaxGas, exportedGenDoc.ConsensusParams.Block.MaxGas)
-
-	require.Equal(t, simapp.DefaultConsensusParams.Evidence.MaxAgeDuration, exportedGenDoc.ConsensusParams.Evidence.MaxAgeDuration)
-	require.Equal(t, simapp.DefaultConsensusParams.Evidence.MaxAgeNumBlocks, exportedGenDoc.ConsensusParams.Evidence.MaxAgeNumBlocks)
-
-	require.Equal(t, simapp.DefaultConsensusParams.Validator.PubKeyTypes, exportedGenDoc.ConsensusParams.Validator.PubKeyTypes)
+	return app, ctx, genDoc, cmd
 }
 
 func createConfigFolder(dir string) error {

server/mock/store.go

@@ -99,6 +99,10 @@ func (ms multiStore) SetInterBlockCache(_ sdk.MultiStorePersistentCache) {
 	panic("not implemented")
 }
 
+func (ms multiStore) SetInitialVersion(version int64) error {
+	panic("not implemented")
+}
+
 var _ sdk.KVStore = kvStore{}
 
 type kvStore struct {