Merge remote-tracking branch 'origin/develop' into rigel/fee-distribution

.circleci/config.yml

@@ -136,6 +136,24 @@ jobs:
             export PATH="$GOBIN:$PATH"
             make test_sim_gaia_fast
 
+  test_sim_gaia_multi_seed:
+    <<: *defaults
+    parallelism: 1
+    steps:
+      - attach_workspace:
+          at: /tmp/workspace
+      - checkout
+      - run:
+          name: dependencies
+          command: |
+            export PATH="$GOBIN:$PATH"
+            make get_vendor_deps
+      - run:
+          name: Test multi-seed Gaia simulation
+          command: |
+            export PATH="$GOBIN:$PATH"
+            make test_sim_gaia_multi_seed
+
   test_cover:
     <<: *defaults
     parallelism: 4
@@ -240,6 +258,9 @@ workflows:
       - test_sim_gaia_fast:
           requires:
             - setup_dependencies
+      - test_sim_gaia_multi_seed:
+          requires:
+            - setup_dependencies
       - test_cover:
           requires:
             - setup_dependencies

Makefile

@@ -162,9 +162,9 @@ test_sim_gaia_fast:
 	@echo "Running quick Gaia simulation. This may take several minutes..."
 	@go test ./cmd/gaia/app -run TestFullGaiaSimulation -SimulationEnabled=true -SimulationNumBlocks=400 -SimulationBlockSize=200 -SimulationCommit=true -v -timeout 24h
 
-test_sim_gaia_full:
+test_sim_gaia_multi_seed:
-	@echo "Running full multi-seed Gaia simulation. This may take awhile!"
+	@echo "Running multi-seed Gaia simulation. This may take awhile!"
-	@sh scripts/multisim.sh
+	@bash scripts/multisim.sh 10
 
 SIM_NUM_BLOCKS ?= 210
 SIM_BLOCK_SIZE ?= 200
@@ -241,4 +241,4 @@ localnet-stop:
 check_tools check_dev_tools get_tools get_dev_tools get_vendor_deps draw_deps test test_cli test_unit \
 test_cover test_lint benchmark devdoc_init devdoc devdoc_save devdoc_update \
 build-linux build-docker-gaiadnode localnet-start localnet-stop \
-format check-ledger test_sim_gaia_nondeterminism test_sim_modules test_sim_gaia_fast test_sim_gaia_slow update_tools update_dev_tools
+format check-ledger test_sim_gaia_nondeterminism test_sim_modules test_sim_gaia_fast test_sim_gaia_multi_seed update_tools update_dev_tools

PENDING.md

@@ -28,6 +28,7 @@ BREAKING CHANGES
     * [x/stake, x/slashing] [#1305](https://github.com/cosmos/cosmos-sdk/issues/1305) - Rename "revoked" to "jailed"
     * [x/stake] [#1676] Revoked and jailed validators put into the unbonding state
     * [x/stake] [#1877] Redelegations/unbonding-delegation from unbonding validator have reduced time
+    * [x/slashing] \#1789 Slashing changes for Tendermint validator set offset (NextValSet)
     * [x/stake] [\#2040](https://github.com/cosmos/cosmos-sdk/issues/2040) Validator
     operator type has now changed to `sdk.ValAddress`
     * [x/stake] [\#2221](https://github.com/cosmos/cosmos-sdk/issues/2221) New
@@ -41,6 +42,7 @@ BREAKING CHANGES
     * [x/gov] [#2195] Governance uses BFT Time
     * [x/gov] \#2256 Removed slashing for governance non-voting validators
     * [simulation] \#2162 Added back correct supply invariants
+    * [x/slashing] \#2430 Simulate more slashes, check if validator is jailed before jailing
     * [x/stake] \#2393 Removed `CompleteUnbonding` and `CompleteRedelegation` Msg types, and instead added unbonding/redelegation queues to endblocker
     
 * SDK
@@ -88,7 +90,7 @@ FEATURES
   * [gaia-lite] [\#966](https://github.com/cosmos/cosmos-sdk/issues/966) Add support for `generate_only=true` query argument to generate offline unsigned transactions
   * [gaia-lite] [\#1953](https://github.com/cosmos/cosmos-sdk/issues/1953) Add /sign endpoint to sign transactions generated with `generate_only=true`.
   * [gaia-lite] [\#1954](https://github.com/cosmos/cosmos-sdk/issues/1954) Add /broadcast endpoint to broadcast transactions signed by the /sign endpoint.
-  * [gaia-lite] [\#2113](https://github.com/cosmos/cosmos-sdk/issues/2113) Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`
+  * [gaia-lite] [\#2113](https://github.com/cosmos/cosmos-sdk/issues/2113) Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`, rename `/accounts/{address}` to `/auth/accounts/{address}`
 
 * Gaia CLI  (`gaiacli`)
   * [cli] Cmds to query staking pool and params

client/keys/add.go

@@ -8,7 +8,6 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/gorilla/mux"
-	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
@@ -61,7 +60,7 @@ func runAddCmd(cmd *cobra.Command, args []string) error {
 		name = "inmemorykey"
 	} else {
 		if len(args) != 1 || len(args[0]) == 0 {
-			return errors.New("you must provide a name for the key")
+			return errMissingName()
 		}
 		name = args[0]
 		kb, err = GetKeyBase()
@@ -144,11 +143,16 @@ func printCreate(info keys.Info, seed string) {
 		if !viper.GetBool(flagNoBackup) {
 			out.Seed = seed
 		}
-		json, err := MarshalJSON(out)
+		var jsonString []byte
+		if viper.GetBool(client.FlagIndentResponse) {
+			jsonString, err = cdc.MarshalJSONIndent(out, "", "  ")
+		} else {
+			jsonString, err = cdc.MarshalJSON(out)
+		}
 		if err != nil {
 			panic(err) // really shouldn't happen...
 		}
-		fmt.Println(string(json))
+		fmt.Println(string(jsonString))
 	default:
 		panic(fmt.Sprintf("I can't speak: %s", output))
 	}
@@ -165,20 +169,25 @@ type NewKeyBody struct {
 }
 
 // add new key REST handler
-func AddNewKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
+func AddNewKeyRequestHandler(indent bool) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
 		var kb keys.Keybase
 		var m NewKeyBody
 
 		kb, err := GetKeyBase()
 		if err != nil {
-		w.WriteHeader(500)
+			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(err.Error()))
 			return
 		}
 
 		body, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
+			return
+		}
 		err = json.Unmarshal(body, &m)
-
 		if err != nil {
 			w.WriteHeader(http.StatusBadRequest)
 			w.Write([]byte(err.Error()))
@@ -186,21 +195,24 @@ func AddNewKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 		}
 		if m.Name == "" {
 			w.WriteHeader(http.StatusBadRequest)
-		w.Write([]byte("You have to specify a name for the locally stored account."))
+			err = errMissingName()
+			w.Write([]byte(err.Error()))
 			return
 		}
 		if m.Password == "" {
 			w.WriteHeader(http.StatusBadRequest)
-		w.Write([]byte("You have to specify a password for the locally stored account."))
+			err = errMissingPassword()
+			w.Write([]byte(err.Error()))
 			return
 		}
 
 		// check if already exists
 		infos, err := kb.List()
-	for _, i := range infos {
+		for _, info := range infos {
-		if i.GetName() == m.Name {
+			if info.GetName() == m.Name {
 				w.WriteHeader(http.StatusConflict)
-			w.Write([]byte(fmt.Sprintf("Account with name %s already exists.", m.Name)))
+				err = errKeyNameConflict(m.Name)
+				w.Write([]byte(err.Error()))
 				return
 			}
 		}
@@ -226,14 +238,8 @@ func AddNewKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 
 		keyOutput.Seed = seed
 
-	bz, err := json.Marshal(keyOutput)
+		PostProcessResponse(w, cdc, keyOutput, indent)
-	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		w.Write([]byte(err.Error()))
-		return
 	}
-
-	w.Write(bz)
 }
 
 // function to just a new seed to display in the UI before actually persisting it in the keybase
@@ -258,3 +264,82 @@ func SeedRequestHandler(w http.ResponseWriter, r *http.Request) {
 	seed := getSeed(algo)
 	w.Write([]byte(seed))
 }
+
+// RecoverKeyBody is recover key request REST body
+type RecoverKeyBody struct {
+	Password string `json:"password"`
+	Seed     string `json:"seed"`
+}
+
+// RecoverRequestHandler performs key recover request
+func RecoverRequestHandler(indent bool) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		vars := mux.Vars(r)
+		name := vars["name"]
+		var m RecoverKeyBody
+		body, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
+			return
+		}
+		err = cdc.UnmarshalJSON(body, &m)
+		if err != nil {
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		if name == "" {
+			w.WriteHeader(http.StatusBadRequest)
+			err = errMissingName()
+			w.Write([]byte(err.Error()))
+			return
+		}
+		if m.Password == "" {
+			w.WriteHeader(http.StatusBadRequest)
+			err = errMissingPassword()
+			w.Write([]byte(err.Error()))
+			return
+		}
+		if m.Seed == "" {
+			w.WriteHeader(http.StatusBadRequest)
+			err = errMissingSeed()
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		kb, err := GetKeyBase()
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+		// check if already exists
+		infos, err := kb.List()
+		for _, info := range infos {
+			if info.GetName() == name {
+				w.WriteHeader(http.StatusConflict)
+				err = errKeyNameConflict(name)
+				w.Write([]byte(err.Error()))
+				return
+			}
+		}
+
+		info, err := kb.CreateKey(name, m.Seed, m.Password)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		keyOutput, err := Bech32KeyOutput(info)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		PostProcessResponse(w, cdc, keyOutput, indent)
+	}
+}

client/keys/delete.go

@@ -68,14 +68,14 @@ func DeleteKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 	decoder := json.NewDecoder(r.Body)
 	err := decoder.Decode(&m)
 	if err != nil {
-		w.WriteHeader(400)
+		w.WriteHeader(http.StatusBadRequest)
 		w.Write([]byte(err.Error()))
 		return
 	}
 
 	kb, err = GetKeyBase()
 	if err != nil {
-		w.WriteHeader(500)
+		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
 		return
 	}
@@ -83,10 +83,10 @@ func DeleteKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 	// TODO handle error if key is not available or pass is wrong
 	err = kb.Delete(name, m.Password)
 	if err != nil {
-		w.WriteHeader(500)
+		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
 		return
 	}
 
-	w.WriteHeader(200)
+	w.WriteHeader(http.StatusOK)
 }

client/keys/errors.go

@@ -0,0 +1,19 @@
+package keys
+
+import "fmt"
+
+func errKeyNameConflict(name string) error {
+	return fmt.Errorf("acount with name %s already exists", name)
+}
+
+func errMissingName() error {
+	return fmt.Errorf("you have to specify a name for the locally stored account")
+}
+
+func errMissingPassword() error {
+	return fmt.Errorf("you have to specify a password for the locally stored account")
+}
+
+func errMissingSeed() error {
+	return fmt.Errorf("you have to specify seed for key recover")
+}

client/keys/list.go

@@ -1,7 +1,6 @@
 package keys
 
 import (
-	"encoding/json"
 	"net/http"
 
 	"github.com/spf13/cobra"
@@ -35,35 +34,31 @@ func runListCmd(cmd *cobra.Command, args []string) error {
 // REST
 
 // query key list REST handler
-func QueryKeysRequestHandler(w http.ResponseWriter, r *http.Request) {
+func QueryKeysRequestHandler(indent bool) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
 		kb, err := GetKeyBase()
 		if err != nil {
-		w.WriteHeader(500)
+			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(err.Error()))
 			return
 		}
 		infos, err := kb.List()
 		if err != nil {
-		w.WriteHeader(500)
+			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(err.Error()))
 			return
 		}
 		// an empty list will be JSONized as null, but we want to keep the empty list
 		if len(infos) == 0 {
-		w.Write([]byte("[]"))
+			PostProcessResponse(w, cdc, "[]", indent)
 			return
 		}
 		keysOutput, err := Bech32KeysOutput(infos)
 		if err != nil {
-		w.WriteHeader(500)
+			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(err.Error()))
 			return
 		}
-	output, err := json.MarshalIndent(keysOutput, "", "  ")
+		PostProcessResponse(w, cdc, keysOutput, indent)
-	if err != nil {
-		w.WriteHeader(500)
-		w.Write([]byte(err.Error()))
-		return
 	}
-	w.Write(output)
 }

client/keys/root.go

@@ -30,11 +30,12 @@ func Commands() *cobra.Command {
 }
 
 // resgister REST routes
-func RegisterRoutes(r *mux.Router) {
+func RegisterRoutes(r *mux.Router, indent bool) {
-	r.HandleFunc("/keys", QueryKeysRequestHandler).Methods("GET")
+	r.HandleFunc("/keys", QueryKeysRequestHandler(indent)).Methods("GET")
-	r.HandleFunc("/keys", AddNewKeyRequestHandler).Methods("POST")
+	r.HandleFunc("/keys", AddNewKeyRequestHandler(indent)).Methods("POST")
 	r.HandleFunc("/keys/seed", SeedRequestHandler).Methods("GET")
-	r.HandleFunc("/keys/{name}", GetKeyRequestHandler).Methods("GET")
+	r.HandleFunc("/keys/{name}/recover", RecoverRequestHandler(indent)).Methods("POST")
+	r.HandleFunc("/keys/{name}", GetKeyRequestHandler(indent)).Methods("GET")
 	r.HandleFunc("/keys/{name}", UpdateKeyRequestHandler).Methods("PUT")
 	r.HandleFunc("/keys/{name}", DeleteKeyRequestHandler).Methods("DELETE")
 }

client/keys/show.go

@@ -1,7 +1,6 @@
 package keys
 
 import (
-	"encoding/json"
 	"fmt"
 	"net/http"
 
@@ -91,7 +90,8 @@ func getBechKeyOut(bechPrefix string) (bechKeyOutFn, error) {
 // REST
 
 // get key REST handler
-func GetKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
+func GetKeyRequestHandler(indent bool) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
 		vars := mux.Vars(r)
 		name := vars["name"]
 		bechPrefix := r.URL.Query().Get(FlagBechPrefix)
@@ -102,7 +102,7 @@ func GetKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 
 		bechKeyOut, err := getBechKeyOut(bechPrefix)
 		if err != nil {
-		w.WriteHeader(400)
+			w.WriteHeader(http.StatusBadRequest)
 			w.Write([]byte(err.Error()))
 			return
 		}
@@ -111,24 +111,18 @@ func GetKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 		// TODO: check for the error if key actually does not exist, instead of
 		// assuming this as the reason
 		if err != nil {
-		w.WriteHeader(404)
+			w.WriteHeader(http.StatusNotFound)
 			w.Write([]byte(err.Error()))
 			return
 		}
 
 		keyOutput, err := bechKeyOut(info)
 		if err != nil {
-		w.WriteHeader(500)
+			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(err.Error()))
 			return
 		}
 
-	output, err := json.MarshalIndent(keyOutput, "", "  ")
+		PostProcessResponse(w, cdc, keyOutput, indent)
-	if err != nil {
-		w.WriteHeader(500)
-		w.Write([]byte(err.Error()))
-		return
 	}
-
-	w.Write(output)
 }

client/keys/update.go

@@ -69,14 +69,14 @@ func UpdateKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 	decoder := json.NewDecoder(r.Body)
 	err := decoder.Decode(&m)
 	if err != nil {
-		w.WriteHeader(400)
+		w.WriteHeader(http.StatusBadRequest)
 		w.Write([]byte(err.Error()))
 		return
 	}
 
 	kb, err = GetKeyBase()
 	if err != nil {
-		w.WriteHeader(500)
+		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
 		return
 	}
@@ -86,10 +86,10 @@ func UpdateKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 	// TODO check if account exists and if password is correct
 	err = kb.Update(name, m.OldPassword, getNewpass)
 	if err != nil {
-		w.WriteHeader(401)
+		w.WriteHeader(http.StatusUnauthorized)
 		w.Write([]byte(err.Error()))
 		return
 	}
 
-	w.WriteHeader(200)
+	w.WriteHeader(http.StatusOK)
 }

client/keys/utils.go

@@ -12,7 +12,9 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 
+	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	"net/http"
 )
 
 // KeyDBName is the directory under root where we store the keys
@@ -231,3 +233,26 @@ func printPubKey(info keys.Info, bechKeyOut bechKeyOutFn) {
 
 	fmt.Println(ko.PubKey)
 }
+
+// PostProcessResponse performs post process for rest response
+func PostProcessResponse(w http.ResponseWriter, cdc *codec.Codec, response interface{}, indent bool) {
+	var output []byte
+	switch response.(type) {
+	default:
+		var err error
+		if indent {
+			output, err = cdc.MarshalJSONIndent(response, "", "  ")
+		} else {
+			output, err = cdc.MarshalJSON(response)
+		}
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+	case []byte:
+		output = response.([]byte)
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(output)
+}

client/lcd/lcd_test.go

@@ -54,9 +54,13 @@ func TestKeys(t *testing.T) {
 	match := reg.MatchString(seed)
 	require.True(t, match, "Returned seed has wrong format", seed)
 
+	// recover key
+	recoverName := "test_recovername"
+	recoverPassword := "1234567890"
+	doRecoverKey(t, port, recoverName, recoverPassword, seed)
+
 	newName := "test_newname"
 	newPassword := "0987654321"
-
 	// add key
 	jsonStr := []byte(fmt.Sprintf(`{"name":"%s", "password":"%s", "seed":"%s"}`, newName, newPassword, seed))
 	res, body = Request(t, port, "POST", "/keys", jsonStr)
@@ -78,7 +82,7 @@ func TestKeys(t *testing.T) {
 	// existing keys
 	res, body = Request(t, port, "GET", "/keys", nil)
 	require.Equal(t, http.StatusOK, res.StatusCode, body)
-	var m [2]keys.KeyOutput
+	var m [3]keys.KeyOutput
 	err = cdc.UnmarshalJSON([]byte(body), &m)
 	require.Nil(t, err)
 
@@ -243,7 +247,7 @@ func TestCoinSend(t *testing.T) {
 	someFakeAddr := sdk.AccAddress(bz)
 
 	// query empty
-	res, body := Request(t, port, "GET", fmt.Sprintf("/accounts/%s", someFakeAddr), nil)
+	res, body := Request(t, port, "GET", fmt.Sprintf("/auth/accounts/%s", someFakeAddr), nil)
 	require.Equal(t, http.StatusNoContent, res.StatusCode, body)
 
 	acc := getAccount(t, port, addr)
@@ -518,9 +522,12 @@ func TestBonding(t *testing.T) {
 	name, password, denom := "test", "1234567890", "steak"
 	addr, seed := CreateAddr(t, name, password, GetKeyBase(t))
 
-	cleanup, _, operAddrs, port := InitializeTestLCD(t, 1, []sdk.AccAddress{addr})
+	cleanup, valPubKeys, operAddrs, port := InitializeTestLCD(t, 2, []sdk.AccAddress{addr})
 	defer cleanup()
 
+	require.Equal(t, 2, len(valPubKeys))
+	require.Equal(t, 2, len(operAddrs))
+
 	amt := sdk.NewDec(60)
 	validator := getValidator(t, port, operAddrs[0])
 
@@ -802,7 +809,7 @@ func TestProposalsQuery(t *testing.T) {
 //_____________________________________________________________________________
 // get the account to get the sequence
 func getAccount(t *testing.T, port string, addr sdk.AccAddress) auth.Account {
-	res, body := Request(t, port, "GET", fmt.Sprintf("/accounts/%s", addr), nil)
+	res, body := Request(t, port, "GET", fmt.Sprintf("/auth/accounts/%s", addr), nil)
 	require.Equal(t, http.StatusOK, res.StatusCode, body)
 	var acc auth.Account
 	err := cdc.UnmarshalJSON([]byte(body), &acc)
@@ -856,6 +863,20 @@ func doSendWithGas(t *testing.T, port, seed, name, password string, addr sdk.Acc
 	return
 }
 
+func doRecoverKey(t *testing.T, port, recoverName, recoverPassword, seed string) {
+	jsonStr := []byte(fmt.Sprintf(`{"password":"%s", "seed":"%s"}`, recoverPassword, seed))
+	res, body := Request(t, port, "POST", fmt.Sprintf("/keys/%s/recover", recoverName), jsonStr)
+
+	require.Equal(t, http.StatusOK, res.StatusCode, body)
+	var resp keys.KeyOutput
+	err := codec.Cdc.UnmarshalJSON([]byte(body), &resp)
+	require.Nil(t, err, body)
+
+	addr1Bech32 := resp.Address
+	_, err = sdk.AccAddressFromBech32(addr1Bech32)
+	require.NoError(t, err, "Failed to return a correct bech32 address")
+}
+
 func doSend(t *testing.T, port, seed, name, password string, addr sdk.AccAddress) (receiveAddr sdk.AccAddress, resultTx ctypes.ResultBroadcastTxCommit) {
 	res, body, receiveAddr := doSendWithGas(t, port, seed, name, password, addr, "", 0, "")
 	require.Equal(t, http.StatusOK, res.StatusCode, body)

client/lcd/root.go

@@ -145,7 +145,7 @@ func createHandler(cdc *codec.Codec) *mux.Router {
 	r.HandleFunc("/version", CLIVersionRequestHandler).Methods("GET")
 	r.HandleFunc("/node_version", NodeVersionRequestHandler(cliCtx)).Methods("GET")
 
-	keys.RegisterRoutes(r)
+	keys.RegisterRoutes(r, cliCtx.Indent)
 	rpc.RegisterRoutes(cliCtx, r)
 	tx.RegisterRoutes(cliCtx, r, cdc)
 	auth.RegisterRoutes(cliCtx, r, cdc, "acc")

client/lcd/swagger-ui/swagger.yaml

@@ -346,6 +346,184 @@ paths:
             $ref: "#/definitions/BroadcastTxCommitResult"
         400:
           description: The Tx was malformated
+  /keys:
+    get:
+      summary: List of accounts stored locally
+      tags:
+      - ICS1
+      produces:
+      - application/json
+      responses:
+        200:
+          description: Array of accounts
+          schema:
+            type: array
+            items:
+              $ref: '#/definitions/Account'
+    post:
+      summary: Create a new account locally
+      tags:
+      - ICS1
+      consumes:
+      - application/json
+      produces:
+      - application/json
+      parameters:
+      - in: body
+        name: account
+        description: The account to create
+        schema:
+          type: object
+          required:
+          - name
+          - password
+          - seed
+          properties:
+            name:
+              type: string
+            password:
+              type: string
+            seed:
+              type: string
+      responses:
+        200:
+          description: Returns account information of the created key
+          schema:
+            $ref: "#/definitions/Account"
+  /keys/seed:
+    get:
+      summary: Create a new seed to create a new account with
+      tags:
+      - ICS1
+      responses:
+        200:
+          description: 16 word Seed
+          schema:
+            type: string
+  /keys/{name}/recover:
+    post:
+      summary: Recover a account from a seed
+      tags:
+      - ICS1
+      consumes:
+      - application/json
+      produces:
+      - application/json
+      parameters:
+      - in: path
+        name: name
+        description: Account name
+        required: true
+        type: string
+      - in: body
+        name: pwdAndSeed
+        description: Provide password and seed to recover a key
+        schema:
+          type: object
+          required:
+          - password
+          - seed
+          properties:
+            password:
+              type: string
+            seed:
+              type: string
+      responses:
+        200:
+          description: Returns account information of the recovered key
+          schema:
+            $ref: "#/definitions/Account"
+  /keys/{name}:
+    parameters:
+    - in: path
+      name: name
+      description: Account name
+      required: true
+      type: string
+    get:
+      summary: Get a certain locally stored account
+      tags:
+      - ICS1
+      produces:
+      - application/json
+      responses:
+        200:
+          description: Locally stored account
+          schema:
+            $ref: "#/definitions/Account"
+        404:
+          description: Account is not available
+    put:
+      summary: Update the password for this account in the KMS
+      tags:
+      - ICS1
+      consumes:
+      - application/json
+      parameters:
+      - in: body
+        name: account
+        description: The new and old password
+        schema:
+          type: object
+          required:
+          - new_password
+          - old_password
+          properties:
+            new_password:
+              type: string
+            old_password:
+              type: string
+      responses:
+        200:
+          description: Updated password
+        401:
+          description: Password is wrong
+        404:
+          description: Account is not available
+    delete:
+      summary: Remove an account
+      tags:
+      - ICS1
+      consumes:
+      - application/json
+      parameters:
+      - in: body
+        name: account
+        description: The password of the account to remove from the KMS
+        schema:
+          type: object
+          required:
+          - password
+          properties:
+            password:
+              type: string
+      responses:
+        200:
+          description: Removed account
+        401:
+          description: Password is wrong
+        404:
+          description: Account is not available
+  /auth/accounts/{address}:
+    get:
+      summary: Get the account information on blockchain
+      tags:
+      - ICS1
+      produces:
+      - application/json
+      parameters:
+      - in: path
+        name: address
+        description: Account address
+        required: true
+        type: string
+      responses:
+        200:
+          description: Account information on the blockchain
+          schema:
+            $ref: "#/definitions/AccountQueryResponse"
+        404:
+          description: Account is not available
 
 definitions:
   CheckTxResult:
@@ -561,7 +739,35 @@ definitions:
       address:
         $ref: "#/definitions/Address"
       pub_key:
-        $ref: "#/definitions/PubKey"
+        type: string
+        example: "cosmospub1addwnpepqfgv3pakxazq2fgs8tmmhmzsrs94fptl7kyztyxprjpf0mkus3h7cxqe70s"
+      type:
+        type: string
+        example: local
+      seed:
+        type: string
+  AccountInfo:
+    type: object
+    properties:
+      account_number:
+        type: string
+      address:
+        type: string
+      coins:
+        type: array
+        items:
+          $ref: "#/definitions/Coin"
+      public_key:
+        type: string
+      sequence:
+        type: string
+  AccountQueryResponse:
+    type: object
+    properties:
+      type:
+        type: string
+      value:
+        $ref: "#/definitions/AccountInfo"
   BlockID:
     type: object
     properties:

client/lcd/test_helpers.go

@@ -146,7 +146,7 @@ func InitializeTestLCD(
 	// append initial (proposing) validator
 	genDoc.Validators[0] = tmtypes.GenesisValidator{
 		PubKey: privVal.GetPubKey(),
-		Power:  999999, // create enough power to enable 2/3 voting power
+		Power:  100, // create enough power to enable 2/3 voting power
 		Name:   "validator-1",
 	}
 
@@ -176,7 +176,7 @@ func InitializeTestLCD(
 		appGenTxs = append(appGenTxs, appGenTx)
 	}
 
-	genesisState, err := gapp.GaiaAppGenState(cdc, appGenTxs[:])
+	genesisState, err := gapp.NewTestGaiaAppGenState(cdc, appGenTxs[:], genDoc.Validators, valOperAddrs)
 	require.NoError(t, err)
 
 	// add some tokens to init accounts

client/rpc/validators.go

@@ -11,10 +11,10 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/context"
+	"github.com/cosmos/cosmos-sdk/client/utils"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/spf13/viper"
 	tmtypes "github.com/tendermint/tendermint/types"
-	"github.com/cosmos/cosmos-sdk/client/utils"
 )
 
 // TODO these next two functions feel kinda hacky based on their placement

cmd/gaia/app/genesis.go

@@ -162,7 +162,6 @@ func GaiaAppGenTxNF(cdc *codec.Codec, pk crypto.PubKey, addr sdk.AccAddress, nam
 // Create the core parameters for genesis initialization for gaia
 // note that the pubkey input is this machines pubkey
 func GaiaAppGenState(cdc *codec.Codec, appGenTxs []json.RawMessage) (genesisState GenesisState, err error) {
-
 	if len(appGenTxs) == 0 {
 		err = errors.New("must provide at least genesis transaction")
 		return
@@ -198,6 +197,7 @@ func GaiaAppGenState(cdc *codec.Codec, appGenTxs []json.RawMessage) (genesisStat
 		DistrData: distr.DefaultGenesisState(),
 		GovData:   gov.DefaultGenesisState(),
 	}
+
 	return
 }
 

cmd/gaia/app/test_utils.go

@@ -0,0 +1,76 @@
+package app
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/gov"
+	"github.com/cosmos/cosmos-sdk/x/stake"
+	tmtypes "github.com/tendermint/tendermint/types"
+)
+
+// NewTestGaiaAppGenState creates the core parameters for a test genesis
+// initialization given a set of genesis txs, TM validators and their respective
+// operating addresses.
+func NewTestGaiaAppGenState(
+	cdc *codec.Codec, appGenTxs []json.RawMessage, tmVals []tmtypes.GenesisValidator, valOperAddrs []sdk.ValAddress,
+) (GenesisState, error) {
+
+	switch {
+	case len(appGenTxs) == 0:
+		return GenesisState{}, errors.New("must provide at least genesis transaction")
+	case len(tmVals) != len(valOperAddrs):
+		return GenesisState{}, errors.New("number of TM validators does not match number of operator addresses")
+	}
+
+	// start with the default staking genesis state
+	stakeData := stake.DefaultGenesisState()
+
+	// get genesis account information
+	genAccs := make([]GenesisAccount, len(appGenTxs))
+	for i, appGenTx := range appGenTxs {
+
+		var genTx GaiaGenTx
+		if err := cdc.UnmarshalJSON(appGenTx, &genTx); err != nil {
+			return GenesisState{}, err
+		}
+
+		stakeData.Pool.LooseTokens = stakeData.Pool.LooseTokens.Add(sdk.NewDecFromInt(freeFermionsAcc))
+
+		// create the genesis account for the given genesis tx
+		genAccs[i] = genesisAccountFromGenTx(genTx)
+	}
+
+	for i, tmVal := range tmVals {
+		var issuedDelShares sdk.Dec
+
+		// increase total supply by validator's power
+		power := sdk.NewInt(tmVal.Power)
+		stakeData.Pool.LooseTokens = stakeData.Pool.LooseTokens.Add(sdk.NewDecFromInt(power))
+
+		// add the validator
+		desc := stake.NewDescription(tmVal.Name, "", "", "")
+		validator := stake.NewValidator(valOperAddrs[i], tmVal.PubKey, desc)
+
+		validator, stakeData.Pool, issuedDelShares = validator.AddTokensFromDel(stakeData.Pool, power)
+		stakeData.Validators = append(stakeData.Validators, validator)
+
+		// create the self-delegation from the issuedDelShares
+		selfDel := stake.Delegation{
+			DelegatorAddr: sdk.AccAddress(validator.OperatorAddr),
+			ValidatorAddr: validator.OperatorAddr,
+			Shares:        issuedDelShares,
+			Height:        0,
+		}
+
+		stakeData.Bonds = append(stakeData.Bonds, selfDel)
+	}
+
+	return GenesisState{
+		Accounts:  genAccs,
+		StakeData: stakeData,
+		GovData:   gov.DefaultGenesisState(),
+	}, nil
+}

cmd/gaia/cmd/gaiadebug/main.go

@@ -138,11 +138,17 @@ func runPubKeyCmd(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
+
+	consenusPub, err := sdk.Bech32ifyConsPub(pubKey)
+	if err != nil {
+		return err
+	}
 	fmt.Println("Address:", pubKey.Address())
 	fmt.Printf("Hex: %X\n", pubkeyBytes)
 	fmt.Println("JSON (base64):", string(pubKeyJSONBytes))
 	fmt.Println("Bech32 Acc:", accPub)
-	fmt.Println("Bech32 Val:", valPub)
+	fmt.Println("Bech32 Validator Operator:", valPub)
+	fmt.Println("Bech32 Validator Consensus:", consenusPub)
 	return nil
 }
 

scripts/multisim.sh

@@ -1,12 +1,14 @@
 #!/bin/bash
 
-seeds=(1 2 4 7 9 20 32 123 4728 37827 981928 87821 891823782 989182 89182391)
+seeds=(1 2 4 7 9 20 32 123 124 582 1893 2989 3012 4728 37827 981928 87821 891823782 989182 89182391)
+blocks=$1
 
-echo "Running multi-seed simulation with seeds: ${seeds[@]}"
+echo "Running multi-seed simulation with seeds ${seeds[@]}"
+echo "Running $blocks blocks per seed"
 echo "Edit scripts/multisim.sh to add new seeds. Keeping parameters in the file makes failures easy to reproduce."
-echo "This script will kill all sub-simulations on SIGINT/SIGTERM/EXIT (i.e. Ctrl-C)."
+echo "This script will kill all sub-simulations on SIGINT/SIGTERM (i.e. Ctrl-C)."
 
-trap 'kill $(jobs -pr)' SIGINT SIGTERM EXIT
+trap 'kill $(jobs -pr)' SIGINT SIGTERM
 
 tmpdir=$(mktemp -d)
 echo "Using temporary log directory: $tmpdir"
@@ -16,7 +18,7 @@ sim() {
 	echo "Running full Gaia simulation with seed $seed. This may take awhile!"
   file="$tmpdir/gaia-simulation-seed-$seed-date-$(date -Iseconds -u).stdout"
   echo "Writing stdout to $file..."
-	go test ./cmd/gaia/app -run TestFullGaiaSimulation -SimulationEnabled=true -SimulationNumBlocks=1000 \
+	go test ./cmd/gaia/app -run TestFullGaiaSimulation -SimulationEnabled=true -SimulationNumBlocks=$blocks \
     -SimulationVerbose=true -SimulationCommit=true -SimulationSeed=$seed -v -timeout 24h > $file
 }
 
@@ -26,7 +28,7 @@ for seed in ${seeds[@]}; do
   sim $seed &
   pids[${i}]=$!
   i=$(($i+1))
-  sleep 0.1 # start in order, nicer logs
+  sleep 10 # start in order, nicer logs
 done
 
 echo "Simulation processes spawned, waiting for completion..."
@@ -37,10 +39,13 @@ i=0
 for pid in ${pids[*]}; do
   wait $pid
   last=$?
-  if [ $last -ne 0 ]; then
   seed=${seeds[${i}]}
+  if [ $last -ne 0 ]
+  then
     echo "Simulation with seed $seed failed!"
     code=1
+  else
+    echo "Simulation with seed $seed OK"
   fi
   i=$(($i+1))
 done

x/auth/client/rest/query.go

@@ -17,7 +17,7 @@ import (
 // register REST routes
 func RegisterRoutes(cliCtx context.CLIContext, r *mux.Router, cdc *codec.Codec, storeName string) {
 	r.HandleFunc(
-		"/accounts/{address}",
+		"/auth/accounts/{address}",
 		QueryAccountRequestHandlerFn(storeName, cdc, authcmd.GetAccountDecoder(cdc), cliCtx),
 	).Methods("GET")
 	r.HandleFunc(
@@ -36,7 +36,6 @@ func QueryAccountRequestHandlerFn(
 	decoder auth.AccountDecoder, cliCtx context.CLIContext,
 ) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
 		vars := mux.Vars(r)
 		bech32addr := vars["address"]
 

x/distribution/abci_app.go

@@ -1,6 +1,8 @@
 package distribution
 
 import (
+	"fmt"
+
 	abci "github.com/tendermint/tendermint/abci/types"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -10,6 +12,7 @@ import (
 // set the proposer for determining distribution during endblock
 func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, k keeper.Keeper) {
 	consAddr := sdk.ConsAddress(req.Header.ProposerAddress)
+	fmt.Printf("debug consAddr: %v\n", consAddr)
 	k.SetProposerConsAddr(ctx, consAddr)
 }
 

x/mock/simulation/constants.go

@@ -14,7 +14,7 @@ const (
 	numKeys int = 250
 
 	// Chance that double-signing evidence is found on a given block
-	evidenceFraction float64 = 0.01
+	evidenceFraction float64 = 0.5
 
 	// TODO Remove in favor of binary search for invariant violation
 	onOperation bool = false

x/mock/simulation/random_simulate_blocks.go

@@ -77,6 +77,9 @@ func SimulateFromSeed(tb testing.TB, app *baseapp.BaseApp,
 	}
 
 	validators := initChain(r, accs, setups, app, appStateFn)
+	// Second variable to keep pending validator set (delayed one block since TM 0.24)
+	// Initially this is the same as the initial validator set
+	nextValidators := validators
 
 	header := abci.Header{Height: 0, Time: timestamp}
 	opCount := 0
@@ -160,8 +163,9 @@ func SimulateFromSeed(tb testing.TB, app *baseapp.BaseApp,
 		// Generate a random RequestBeginBlock with the current validator set for the next block
 		request = RandomRequestBeginBlock(r, validators, livenessTransitionMatrix, evidenceFraction, pastTimes, pastVoteInfos, event, header)
 
-		// Update the validator set
+		// Update the validator set, which will be reflected in the application on the next block
-		validators = updateValidators(tb, r, validators, res.ValidatorUpdates, event)
+		validators = nextValidators
+		nextValidators = updateValidators(tb, r, validators, res.ValidatorUpdates, event)
 	}
 	if stopEarly {
 		DisplayEvents(events)

x/slashing/keeper.go

@@ -9,6 +9,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/params"
+	stake "github.com/cosmos/cosmos-sdk/x/stake/types"
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/crypto"
 )
@@ -56,19 +57,28 @@ func (k Keeper) handleDoubleSign(ctx sdk.Context, addr crypto.Address, infractio
 	// Double sign confirmed
 	logger.Info(fmt.Sprintf("Confirmed double sign from %s at height %d, age of %d less than max age of %d", pubkey.Address(), infractionHeight, age, maxEvidenceAge))
 
+	// We need to retrieve the stake distribution which signed the block, so we subtract ValidatorUpdateDelay from the evidence height.
+	// Note that this *can* result in a negative "distributionHeight", up to -ValidatorUpdateDelay,
+	// i.e. at the end of the pre-genesis block (none) = at the beginning of the genesis block.
+	// That's fine since this is just used to filter unbonding delegations & redelegations.
+	distributionHeight := infractionHeight - stake.ValidatorUpdateDelay
+
 	// Cap the amount slashed to the penalty for the worst infraction
 	// within the slashing period when this infraction was committed
 	fraction := k.SlashFractionDoubleSign(ctx)
-	revisedFraction := k.capBySlashingPeriod(ctx, consAddr, fraction, infractionHeight)
+	revisedFraction := k.capBySlashingPeriod(ctx, consAddr, fraction, distributionHeight)
 	logger.Info(fmt.Sprintf("Fraction slashed capped by slashing period from %v to %v", fraction, revisedFraction))
 
 	// Slash validator
-	k.validatorSet.Slash(ctx, consAddr, infractionHeight, power, revisedFraction)
+	k.validatorSet.Slash(ctx, consAddr, distributionHeight, power, revisedFraction)
 
-	// Jail validator
+	// Jail validator if not already jailed
+	validator := k.validatorSet.ValidatorByConsAddr(ctx, consAddr)
+	if !validator.GetJailed() {
 		k.validatorSet.Jail(ctx, consAddr)
+	}
 
-	// Set validator jail duration
+	// Set or updated validator jail duration
 	signInfo, found := k.getValidatorSigningInfo(ctx, consAddr)
 	if !found {
 		panic(fmt.Sprintf("Expected signing info for validator %s but not found", consAddr))
@@ -123,7 +133,13 @@ func (k Keeper) handleValidatorSignature(ctx sdk.Context, addr crypto.Address, p
 			// Downtime confirmed: slash and jail the validator
 			logger.Info(fmt.Sprintf("Validator %s past min height of %d and below signed blocks threshold of %d",
 				pubkey.Address(), minHeight, k.MinSignedPerWindow(ctx)))
-			k.validatorSet.Slash(ctx, consAddr, height, power, k.SlashFractionDowntime(ctx))
+			// We need to retrieve the stake distribution which signed the block, so we subtract ValidatorUpdateDelay from the evidence height,
+			// and subtract an additional 1 since this is the LastCommit.
+			// Note that this *can* result in a negative "distributionHeight" up to -ValidatorUpdateDelay-1,
+			// i.e. at the end of the pre-genesis block (none) = at the beginning of the genesis block.
+			// That's fine since this is just used to filter unbonding delegations & redelegations.
+			distributionHeight := height - stake.ValidatorUpdateDelay - 1
+			k.validatorSet.Slash(ctx, consAddr, distributionHeight, power, k.SlashFractionDowntime(ctx))
 			k.validatorSet.Jail(ctx, consAddr)
 			signInfo.JailedUntil = ctx.BlockHeader().Time.Add(k.DowntimeUnbondDuration(ctx))
 		} else {

x/slashing/keeper_test.go

@@ -22,20 +22,21 @@ func init() {
 
 // Test that a validator is slashed correctly
 // when we discover evidence of infraction
-// TODO fix this test to not be using the same pubkey/address for signing and operating, it's confusing
 func TestHandleDoubleSign(t *testing.T) {
 
 	// initial setup
 	ctx, ck, sk, _, keeper := createTestInput(t)
+	// validator added pre-genesis
+	ctx = ctx.WithBlockHeight(-1)
 	sk = sk.WithHooks(keeper.Hooks())
 	amtInt := int64(100)
-	addr, val, amt := addrs[0], pks[0], sdk.NewInt(amtInt)
+	operatorAddr, val, amt := addrs[0], pks[0], sdk.NewInt(amtInt)
-	got := stake.NewHandler(sk)(ctx, NewTestMsgCreateValidator(addr, val, amt))
+	got := stake.NewHandler(sk)(ctx, newTestMsgCreateValidator(operatorAddr, val, amt))
 	require.True(t, got.IsOK())
 	validatorUpdates := stake.EndBlocker(ctx, sk)
 	keeper.AddValidators(ctx, validatorUpdates)
-	require.Equal(t, ck.GetCoins(ctx, sdk.AccAddress(addr)), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins.Sub(amt)}})
+	require.Equal(t, ck.GetCoins(ctx, sdk.AccAddress(operatorAddr)), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins.Sub(amt)}})
-	require.True(t, sdk.NewDecFromInt(amt).Equal(sk.Validator(ctx, addr).GetPower()))
+	require.True(t, sdk.NewDecFromInt(amt).Equal(sk.Validator(ctx, operatorAddr).GetPower()))
 
 	// handle a signature to set signing info
 	keeper.handleValidatorSignature(ctx, val.Address(), amtInt, true)
@@ -44,13 +45,13 @@ func TestHandleDoubleSign(t *testing.T) {
 	keeper.handleDoubleSign(ctx, val.Address(), 0, time.Unix(0, 0), amtInt)
 
 	// should be jailed
-	require.True(t, sk.Validator(ctx, addr).GetJailed())
+	require.True(t, sk.Validator(ctx, operatorAddr).GetJailed())
 	// unjail to measure power
-	sk.Unjail(ctx, sdk.ConsAddress(addr)) // TODO distinguish cons address
+	sk.Unjail(ctx, sdk.ConsAddress(val.Address()))
 	// power should be reduced
 	require.Equal(
 		t, sdk.NewDecFromInt(amt).Mul(sdk.NewDec(19).Quo(sdk.NewDec(20))),
-		sk.Validator(ctx, addr).GetPower(),
+		sk.Validator(ctx, operatorAddr).GetPower(),
 	)
 	ctx = ctx.WithBlockHeader(abci.Header{Time: time.Unix(1, 0).Add(keeper.MaxEvidenceAge(ctx))})
 
@@ -58,74 +59,74 @@ func TestHandleDoubleSign(t *testing.T) {
 	keeper.handleDoubleSign(ctx, val.Address(), 0, time.Unix(0, 0), amtInt)
 	require.Equal(
 		t, sdk.NewDecFromInt(amt).Mul(sdk.NewDec(19).Quo(sdk.NewDec(20))),
-		sk.Validator(ctx, addr).GetPower(),
+		sk.Validator(ctx, operatorAddr).GetPower(),
 	)
 }
 
 // Test that the amount a validator is slashed for multiple double signs
 // is correctly capped by the slashing period in which they were committed
-// TODO properly distinguish between consensus and operator address is variable names
 func TestSlashingPeriodCap(t *testing.T) {
 
 	// initial setup
 	ctx, ck, sk, _, keeper := createTestInput(t)
 	sk = sk.WithHooks(keeper.Hooks())
 	amtInt := int64(100)
-	addr, amt := addrs[0], sdk.NewInt(amtInt)
+	operatorAddr, amt := addrs[0], sdk.NewInt(amtInt)
-	valConsPubKey, valConsAddr := pks[0], sdk.ConsAddress(pks[0].Address())
+	valConsPubKey, valConsAddr := pks[0], pks[0].Address()
-	got := stake.NewHandler(sk)(ctx, NewTestMsgCreateValidator(addr, valConsPubKey, amt))
+	got := stake.NewHandler(sk)(ctx, newTestMsgCreateValidator(operatorAddr, valConsPubKey, amt))
 	require.True(t, got.IsOK())
 	validatorUpdates := stake.EndBlocker(ctx, sk)
+	ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
 	keeper.AddValidators(ctx, validatorUpdates)
-	require.Equal(t, ck.GetCoins(ctx, sdk.AccAddress(addr)), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins.Sub(amt)}})
+	require.Equal(t, ck.GetCoins(ctx, sdk.AccAddress(operatorAddr)), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins.Sub(amt)}})
-	require.True(t, sdk.NewDecFromInt(amt).Equal(sk.Validator(ctx, addr).GetPower()))
+	require.True(t, sdk.NewDecFromInt(amt).Equal(sk.Validator(ctx, operatorAddr).GetPower()))
 
 	// handle a signature to set signing info
-	keeper.handleValidatorSignature(ctx, valConsPubKey.Address(), amtInt, true)
+	keeper.handleValidatorSignature(ctx, valConsAddr, amtInt, true)
 
 	// double sign less than max age
-	keeper.handleDoubleSign(ctx, valConsPubKey.Address(), 0, time.Unix(0, 0), amtInt)
+	keeper.handleDoubleSign(ctx, valConsAddr, 1, time.Unix(0, 0), amtInt)
 	// should be jailed
-	require.True(t, sk.Validator(ctx, addr).GetJailed())
+	require.True(t, sk.Validator(ctx, operatorAddr).GetJailed())
-	// end block
-	stake.EndBlocker(ctx, sk)
-	// update block height
-	ctx = ctx.WithBlockHeight(int64(1))
-	// unjail to measure power
-	sk.Unjail(ctx, valConsAddr)
-	// end block
-	stake.EndBlocker(ctx, sk)
-	// power should be reduced
-	expectedPower := sdk.NewDecFromInt(amt).Mul(sdk.NewDec(19).Quo(sdk.NewDec(20)))
-	require.Equal(t, expectedPower, sk.Validator(ctx, addr).GetPower())
-
-	// double sign again, same slashing period
-	keeper.handleDoubleSign(ctx, valConsPubKey.Address(), 0, time.Unix(0, 0), amtInt)
-	// should be jailed
-	require.True(t, sk.Validator(ctx, addr).GetJailed())
 	// end block
 	stake.EndBlocker(ctx, sk)
 	// update block height
 	ctx = ctx.WithBlockHeight(int64(2))
 	// unjail to measure power
-	sk.Unjail(ctx, valConsAddr)
+	sk.Unjail(ctx, sdk.ConsAddress(valConsAddr))
+	// end block
+	stake.EndBlocker(ctx, sk)
+	// power should be reduced
+	expectedPower := sdk.NewDecFromInt(amt).Mul(sdk.NewDec(19).Quo(sdk.NewDec(20)))
+	require.Equal(t, expectedPower, sk.Validator(ctx, operatorAddr).GetPower())
+
+	// double sign again, same slashing period
+	keeper.handleDoubleSign(ctx, valConsAddr, 1, time.Unix(0, 0), amtInt)
+	// should be jailed
+	require.True(t, sk.Validator(ctx, operatorAddr).GetJailed())
+	// end block
+	stake.EndBlocker(ctx, sk)
+	// update block height
+	ctx = ctx.WithBlockHeight(int64(3))
+	// unjail to measure power
+	sk.Unjail(ctx, sdk.ConsAddress(valConsAddr))
 	// end block
 	stake.EndBlocker(ctx, sk)
 	// power should be equal, no more should have been slashed
 	expectedPower = sdk.NewDecFromInt(amt).Mul(sdk.NewDec(19).Quo(sdk.NewDec(20)))
-	require.Equal(t, expectedPower, sk.Validator(ctx, addr).GetPower())
+	require.Equal(t, expectedPower, sk.Validator(ctx, operatorAddr).GetPower())
 
 	// double sign again, new slashing period
-	keeper.handleDoubleSign(ctx, valConsPubKey.Address(), 2, time.Unix(0, 0), amtInt)
+	keeper.handleDoubleSign(ctx, valConsAddr, 3, time.Unix(0, 0), amtInt)
 	// should be jailed
-	require.True(t, sk.Validator(ctx, addr).GetJailed())
+	require.True(t, sk.Validator(ctx, operatorAddr).GetJailed())
 	// unjail to measure power
-	sk.Unjail(ctx, valConsAddr)
+	sk.Unjail(ctx, sdk.ConsAddress(valConsAddr))
 	// end block
 	stake.EndBlocker(ctx, sk)
 	// power should be reduced
 	expectedPower = sdk.NewDecFromInt(amt).Mul(sdk.NewDec(18).Quo(sdk.NewDec(20)))
-	require.Equal(t, expectedPower, sk.Validator(ctx, addr).GetPower())
+	require.Equal(t, expectedPower, sk.Validator(ctx, operatorAddr).GetPower())
 }
 
 // Test a validator through uptime, downtime, revocation,
@@ -196,6 +197,35 @@ func TestHandleAbsentValidator(t *testing.T) {
 	validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
 	require.Equal(t, sdk.Unbonding, validator.GetStatus())
 
+	slashAmt := sdk.NewDec(amtInt).Mul(keeper.SlashFractionDowntime(ctx)).RoundInt64()
+
+	// validator should have been slashed
+	require.Equal(t, amtInt-slashAmt, validator.GetTokens().RoundInt64())
+
+	// 502nd block *also* missed (since the LastCommit would have still included the just-unbonded validator)
+	height++
+	ctx = ctx.WithBlockHeight(height)
+	keeper.handleValidatorSignature(ctx, val.Address(), amtInt, false)
+	info, found = keeper.getValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
+	require.True(t, found)
+	require.Equal(t, int64(0), info.StartHeight)
+	require.Equal(t, keeper.SignedBlocksWindow(ctx)-keeper.MinSignedPerWindow(ctx)-2, info.SignedBlocksCounter)
+
+	// end block
+	stake.EndBlocker(ctx, sk)
+
+	// validator should not have been slashed any more, since it was already jailed
+	validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
+	require.Equal(t, amtInt-slashAmt, validator.GetTokens().RoundInt64())
+
+	// 502nd block *double signed* (oh no!)
+	keeper.handleDoubleSign(ctx, val.Address(), height, ctx.BlockHeader().Time, amtInt)
+
+	// validator should have been slashed
+	validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
+	secondSlashAmt := sdk.NewDec(amtInt).Mul(keeper.SlashFractionDoubleSign(ctx)).RoundInt64()
+	require.Equal(t, amtInt-slashAmt-secondSlashAmt, validator.GetTokens().RoundInt64())
+
 	// unrevocation should fail prior to jail expiration
 	got = slh(ctx, NewMsgUnjail(addr))
 	require.False(t, got.IsOK())
@@ -214,14 +244,14 @@ func TestHandleAbsentValidator(t *testing.T) {
 
 	// validator should have been slashed
 	pool = sk.GetPool(ctx)
-	slashAmt := sdk.NewDec(amtInt).Mul(keeper.SlashFractionDowntime(ctx)).RoundInt64()
+	require.Equal(t, amtInt-slashAmt-secondSlashAmt, pool.BondedTokens.RoundInt64())
-	require.Equal(t, amtInt-slashAmt, pool.BondedTokens.RoundInt64())
 
 	// validator start height should have been changed
 	info, found = keeper.getValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
 	require.True(t, found)
 	require.Equal(t, height, info.StartHeight)
-	require.Equal(t, keeper.SignedBlocksWindow(ctx)-keeper.MinSignedPerWindow(ctx)-1, info.SignedBlocksCounter)
+	// we've missed 2 blocks more than the maximum
+	require.Equal(t, keeper.SignedBlocksWindow(ctx)-keeper.MinSignedPerWindow(ctx)-2, info.SignedBlocksCounter)
 
 	// validator should not be immediately jailed again
 	height++

x/slashing/keys.go

@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	stake "github.com/cosmos/cosmos-sdk/x/stake/types"
 )
 
 // key prefix bytes
@@ -34,7 +35,8 @@ func GetValidatorSlashingPeriodPrefix(v sdk.ConsAddress) []byte {
 // stored by *Tendermint* address (not operator address) followed by start height
 func GetValidatorSlashingPeriodKey(v sdk.ConsAddress, startHeight int64) []byte {
 	b := make([]byte, 8)
-	binary.LittleEndian.PutUint64(b, uint64(startHeight))
+	// this needs to be height + ValidatorUpdateDelay because the slashing period for genesis validators starts at height -ValidatorUpdateDelay
+	binary.BigEndian.PutUint64(b, uint64(startHeight+stake.ValidatorUpdateDelay))
 	return append(GetValidatorSlashingPeriodPrefix(v), b...)
 }
 

x/slashing/slashing_period.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	stake "github.com/cosmos/cosmos-sdk/x/stake/types"
 )
 
 // Cap an infraction's slash amount by the slashing period in which it was committed
@@ -15,7 +16,7 @@ func (k Keeper) capBySlashingPeriod(ctx sdk.Context, address sdk.ConsAddress, fr
 
 	// Sanity check
 	if slashingPeriod.EndHeight > 0 && slashingPeriod.EndHeight < infractionHeight {
-		panic(fmt.Sprintf("slashing period ended before infraction: infraction height %d, slashing period ended at %d", infractionHeight, slashingPeriod.EndHeight))
+		panic(fmt.Sprintf("slashing period ended before infraction: validator %s, infraction height %d, slashing period ended at %d", address, infractionHeight, slashingPeriod.EndHeight))
 	}
 
 	// Calculate the updated total slash amount
@@ -43,7 +44,7 @@ func (k Keeper) getValidatorSlashingPeriodForHeight(ctx sdk.Context, address sdk
 	end := sdk.PrefixEndBytes(GetValidatorSlashingPeriodKey(address, height))
 	iterator := store.ReverseIterator(start, end)
 	if !iterator.Valid() {
-		panic("expected to find slashing period, but none was found")
+		panic(fmt.Sprintf("expected to find slashing period for validator %s before height %d, but none was found", address, height))
 	}
 	slashingPeriod = k.unmarshalSlashingPeriodKeyValue(iterator.Key(), iterator.Value())
 	return
@@ -68,7 +69,7 @@ func (k Keeper) unmarshalSlashingPeriodKeyValue(key []byte, value []byte) Valida
 	var slashingPeriodValue ValidatorSlashingPeriodValue
 	k.cdc.MustUnmarshalBinary(value, &slashingPeriodValue)
 	address := sdk.ConsAddress(key[1 : 1+sdk.AddrLen])
-	startHeight := int64(binary.LittleEndian.Uint64(key[1+sdk.AddrLen : 1+sdk.AddrLen+8]))
+	startHeight := int64(binary.BigEndian.Uint64(key[1+sdk.AddrLen:1+sdk.AddrLen+8]) - uint64(stake.ValidatorUpdateDelay))
 	return ValidatorSlashingPeriod{
 		ValidatorAddr: address,
 		StartHeight:   startHeight,

x/stake/genesis.go

@@ -18,6 +18,12 @@ import (
 // the bonded validators.
 // Returns final validator set after applying all declaration and delegations
 func InitGenesis(ctx sdk.Context, keeper Keeper, data types.GenesisState) (res []abci.ValidatorUpdate, err error) {
+
+	// We need to pretend to be "n blocks before genesis", where "n" is the validator update delay,
+	// so that e.g. slashing periods are correctly initialized for the validator set
+	// e.g. with a one-block offset - the first TM block is at height 0, so state updates applied from genesis.json are in block -1.
+	ctx = ctx.WithBlockHeight(-types.ValidatorUpdateDelay)
+
 	keeper.SetPool(ctx, data.Pool)
 	keeper.SetParams(ctx, data.Params)
 	keeper.InitIntraTxCounter(ctx)

x/stake/keeper/slash_test.go

@@ -191,6 +191,34 @@ func TestSlashAtFutureHeight(t *testing.T) {
 	require.Panics(t, func() { keeper.Slash(ctx, consAddr, 1, 10, fraction) })
 }
 
+// test slash at a negative height
+// this just represents pre-genesis and should have the same effect as slashing at height 0
+func TestSlashAtNegativeHeight(t *testing.T) {
+	ctx, keeper, _ := setupHelper(t, 10)
+	consAddr := sdk.ConsAddress(PKs[0].Address())
+	fraction := sdk.NewDecWithPrec(5, 1)
+
+	oldPool := keeper.GetPool(ctx)
+	validator, found := keeper.GetValidatorByConsAddr(ctx, consAddr)
+	require.True(t, found)
+	keeper.Slash(ctx, consAddr, -2, 10, fraction)
+
+	// read updated state
+	validator, found = keeper.GetValidatorByConsAddr(ctx, consAddr)
+	require.True(t, found)
+	newPool := keeper.GetPool(ctx)
+
+	// end block
+	updates := keeper.ApplyAndReturnValidatorSetUpdates(ctx)
+	require.Equal(t, 1, len(updates), "cons addr: %v, updates: %v", []byte(consAddr), updates)
+
+	validator = keeper.mustGetValidator(ctx, validator.OperatorAddr)
+	// power decreased
+	require.Equal(t, sdk.NewDec(5), validator.GetPower())
+	// pool bonded shares decreased
+	require.Equal(t, sdk.NewDec(5).RoundInt64(), oldPool.BondedTokens.Sub(newPool.BondedTokens).RoundInt64())
+}
+
 // tests Slash at the current height
 func TestSlashValidatorAtCurrentHeight(t *testing.T) {
 	ctx, keeper, _ := setupHelper(t, 10)

x/stake/types/params.go

@@ -9,9 +9,17 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
+const (
 	// defaultUnbondingTime reflects three weeks in seconds as the default
 	// unbonding time.
-const defaultUnbondingTime time.Duration = 60 * 60 * 24 * 3 * time.Second
+	defaultUnbondingTime time.Duration = 60 * 60 * 24 * 3 * time.Second
+
+	// Delay, in blocks, between when validator updates are returned to Tendermint and when they are applied
+	// For example, if this is 0, the validator set at the end of a block will sign the next block, or
+	// if this is 1, the validator set at the end of a block will sign the block after the next.
+	// Constant as this should not change without a hard fork.
+	ValidatorUpdateDelay int64 = 1
+)
 
 // Params defines the high level settings for staking
 type Params struct {