R4R: validator outgoing redelegations and unbonding delegations

PENDING.md

@@ -107,6 +107,7 @@ FEATURES
   * [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`, rename `/accounts/{address}` to `/auth/accounts/{address}`
   * [gaia-lite] [\#2478](https://github.com/cosmos/cosmos-sdk/issues/2478) Add query gov proposal's deposits endpoint
+  * [gaia-lite] [\#2477](https://github.com/cosmos/cosmos-sdk/issues/2477) Add query validator's outgoing redelegations and unbonding delegations endpoints
 
 * Gaia CLI  (`gaiacli`)
   * [cli] Cmds to query staking pool and params

client/lcd/lcd_test.go

@@ -11,7 +11,6 @@ import (
 	"time"
 
 	"github.com/spf13/viper"
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	p2p "github.com/tendermint/tendermint/p2p"
@@ -77,7 +76,7 @@ func TestKeys(t *testing.T) {
 	// test if created account is the correct account
 	expectedInfo, _ := GetKeyBase(t).CreateKey(newName, seed, newPassword)
 	expectedAccount := sdk.AccAddress(expectedInfo.GetPubKey().Address().Bytes())
-	assert.Equal(t, expectedAccount.String(), addr2Bech32)
+	require.Equal(t, expectedAccount.String(), addr2Bech32)
 
 	// existing keys
 	res, body = Request(t, port, "GET", "/keys", nil)
@@ -511,7 +510,7 @@ func TestValidatorQuery(t *testing.T) {
 	require.Equal(t, 1, len(operAddrs))
 
 	validator := getValidator(t, port, operAddrs[0])
-	assert.Equal(t, validator.OperatorAddr, operAddrs[0], "The returned validator does not hold the correct data")
+	require.Equal(t, validator.OperatorAddr, operAddrs[0], "The returned validator does not hold the correct data")
 }
 
 func TestBonding(t *testing.T) {
@@ -557,11 +556,10 @@ func TestBonding(t *testing.T) {
 	bondedValidator := getDelegatorValidator(t, port, addr, operAddrs[0])
 	require.Equal(t, operAddrs[0], bondedValidator.OperatorAddr)
 
-	//////////////////////
 	// testing unbonding
 
 	// create unbond TX
-	resultTx = doBeginUnbonding(t, port, seed, name, password, addr, operAddrs[0], 60)
+	resultTx = doBeginUnbonding(t, port, seed, name, password, addr, operAddrs[0], 30)
 	tests.WaitForHeight(resultTx.Height+1, port)
 
 	require.Equal(t, uint32(0), resultTx.CheckTx.Code)
@@ -573,33 +571,51 @@ func TestBonding(t *testing.T) {
 	require.Equal(t, int64(40), coins.AmountOf("steak").Int64())
 
 	unbonding := getUndelegation(t, port, addr, operAddrs[0])
-	require.Equal(t, "60", unbonding.Balance.Amount.String())
+	require.Equal(t, "30", unbonding.Balance.Amount.String())
+
+	// test redelegation
+	resultTx = doBeginRedelegation(t, port, seed, name, password, addr, operAddrs[0], operAddrs[1], 30)
+	tests.WaitForHeight(resultTx.Height+1, port)
+
+	require.Equal(t, uint32(0), resultTx.CheckTx.Code)
+	require.Equal(t, uint32(0), resultTx.DeliverTx.Code)
 
 	summary = getDelegationSummary(t, port, addr)
 
-	require.Len(t, summary.Delegations, 0, "Delegation summary holds all delegations")
+	require.Len(t, summary.Delegations, 1, "Delegation summary holds all delegations")
 	require.Len(t, summary.UnbondingDelegations, 1, "Delegation summary holds all unbonding-delegations")
-	require.Equal(t, "60", summary.UnbondingDelegations[0].Balance.Amount.String())
+	require.Len(t, summary.Redelegations, 1, "Delegation summary holds all redelegations")
+
+	require.Equal(t, "30.0000000000", summary.Delegations[0].GetShares().String())
+	require.Equal(t, "30", summary.UnbondingDelegations[0].Balance.Amount.String())
+	require.Equal(t, "30", summary.Redelegations[0].Balance.Amount.String())
+
+	validatorUbds := getValidatorUnbondingDelegations(t, port, operAddrs[0])
+	require.Len(t, validatorUbds, 1)
+	require.Equal(t, "30", validatorUbds[0].Balance.Amount.String())
+
+	validatorReds := getValidatorRedelegations(t, port, operAddrs[0])
+	require.Len(t, validatorReds, 1)
+	require.Equal(t, "30", validatorReds[0].Balance.Amount.String())
 
 	bondedValidators = getDelegatorValidators(t, port, addr)
-	require.Len(t, bondedValidators, 0, "There's no delegation as the user withdraw all funds")
+	require.Len(t, bondedValidators, 1, "There's a delegation as the user only withdraw half of the funds")
 
 	// TODO Undonding status not currently implemented
 	// require.Equal(t, sdk.Unbonding, bondedValidators[0].Status)
 
-	// TODO add redelegation, need more complex capabilities such to mock context and
-	// TODO check summary for redelegation
-	// assert.Len(t, summary.Redelegations, 1, "Delegation summary holds all redelegations")
-
 	// query txs
 	txs := getBondingTxs(t, port, addr, "")
-	assert.Len(t, txs, 2, "All Txs found")
+	require.Len(t, txs, 3, "All Txs found")
 
 	txs = getBondingTxs(t, port, addr, "bond")
-	assert.Len(t, txs, 1, "All bonding txs found")
+	require.Len(t, txs, 1, "All bonding txs found")
 
 	txs = getBondingTxs(t, port, addr, "unbond")
-	assert.Len(t, txs, 1, "All unbonding txs found")
+	require.Len(t, txs, 1, "All unbonding txs found")
+
+	txs = getBondingTxs(t, port, addr, "redelegate")
+	require.Len(t, txs, 1, "All redelegation txs found")
 }
 
 func TestSubmitProposal(t *testing.T) {
@@ -974,11 +990,11 @@ func getUndelegation(t *testing.T, port string, delegatorAddr sdk.AccAddress, va
 	res, body := Request(t, port, "GET", fmt.Sprintf("/stake/delegators/%s/unbonding_delegations/%s", delegatorAddr, validatorAddr), nil)
 	require.Equal(t, http.StatusOK, res.StatusCode, body)
 
-	var unbondings stake.UnbondingDelegation
-	err := cdc.UnmarshalJSON([]byte(body), &unbondings)
+	var unbond stake.UnbondingDelegation
+	err := cdc.UnmarshalJSON([]byte(body), &unbond)
 	require.Nil(t, err)
 
-	return unbondings
+	return unbond
 }
 
 func getDelegationSummary(t *testing.T, port string, delegatorAddr sdk.AccAddress) stake.DelegationSummary {
@@ -1052,9 +1068,7 @@ func doDelegate(t *testing.T, port, seed, name, password string,
 			}
 		],
 		"begin_unbondings": [],
-		"complete_unbondings": [],
 		"begin_redelegates": [],
-		"complete_redelegates": [],
 		"base_req": {
 			"name": "%s",
 			"password": "%s",
@@ -1091,9 +1105,7 @@ func doBeginUnbonding(t *testing.T, port, seed, name, password string,
 				"shares": "%d"
 			}
 		],
-		"complete_unbondings": [],
 		"begin_redelegates": [],
-		"complete_redelegates": [],
 		"base_req": {
 			"name": "%s",
 			"password": "%s",
@@ -1114,7 +1126,7 @@ func doBeginUnbonding(t *testing.T, port, seed, name, password string,
 }
 
 func doBeginRedelegation(t *testing.T, port, seed, name, password string,
-	delAddr sdk.AccAddress, valSrcAddr, valDstAddr sdk.ValAddress) (resultTx ctypes.ResultBroadcastTxCommit) {
+	delAddr sdk.AccAddress, valSrcAddr, valDstAddr sdk.ValAddress, amount int64) (resultTx ctypes.ResultBroadcastTxCommit) {
 
 	acc := getAccount(t, port, delAddr)
 	accnum := acc.GetAccountNumber()
@@ -1125,24 +1137,22 @@ func doBeginRedelegation(t *testing.T, port, seed, name, password string,
 	jsonStr := []byte(fmt.Sprintf(`{
 		"delegations": [],
 		"begin_unbondings": [],
-		"complete_unbondings": [],
 		"begin_redelegates": [
 			{
 				"delegator_addr": "%s",
 				"validator_src_addr": "%s",
 				"validator_dst_addr": "%s",
-				"shares": "30"
+				"shares": "%d"
 			}
 		],
-		"complete_redelegates": [],
 		"base_req": {
 			"name": "%s",
 			"password": "%s",
 			"chain_id": "%s",
 			"account_number":"%d",
 			"sequence":"%d"
 		}
-	}`, delAddr, valSrcAddr, valDstAddr, name, password, chainID, accnum, sequence))
+	}`, delAddr, valSrcAddr, valDstAddr, amount, name, password, chainID, accnum, sequence))
 
 	res, body := Request(t, port, "POST", fmt.Sprintf("/stake/delegators/%s/delegations", delAddr), jsonStr)
 	require.Equal(t, http.StatusOK, res.StatusCode, body)
@@ -1176,6 +1186,28 @@ func getValidator(t *testing.T, port string, validatorAddr sdk.ValAddress) stake
 	return validator
 }
 
+func getValidatorUnbondingDelegations(t *testing.T, port string, validatorAddr sdk.ValAddress) []stake.UnbondingDelegation {
+	res, body := Request(t, port, "GET", fmt.Sprintf("/stake/validators/%s/unbonding_delegations", validatorAddr.String()), nil)
+	require.Equal(t, http.StatusOK, res.StatusCode, body)
+
+	var ubds []stake.UnbondingDelegation
+	err := cdc.UnmarshalJSON([]byte(body), &ubds)
+	require.Nil(t, err)
+
+	return ubds
+}
+
+func getValidatorRedelegations(t *testing.T, port string, validatorAddr sdk.ValAddress) []stake.Redelegation {
+	res, body := Request(t, port, "GET", fmt.Sprintf("/stake/validators/%s/redelegations", validatorAddr.String()), nil)
+	require.Equal(t, http.StatusOK, res.StatusCode, body)
+
+	var reds []stake.Redelegation
+	err := cdc.UnmarshalJSON([]byte(body), &reds)
+	require.Nil(t, err)
+
+	return reds
+}
+
 // ============= Governance Module ================
 
 func getProposal(t *testing.T, port string, proposalID int64) gov.Proposal {

x/stake/client/rest/query.go

@@ -9,7 +9,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/client/utils"
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/x/stake"
 	"github.com/cosmos/cosmos-sdk/x/stake/tags"
 
 	"github.com/gorilla/mux"
@@ -67,6 +66,18 @@ func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router, cdc *codec.Co
 		validatorHandlerFn(cliCtx, cdc),
 	).Methods("GET")
 
+	// Get all unbonding delegations from a validator
+	r.HandleFunc(
+		"/stake/validators/{validatorAddr}/unbonding_delegations",
+		validatorUnbondingDelegationsHandlerFn(cliCtx, cdc),
+	).Methods("GET")
+
+	// Get all outgoing redelegations from a validator
+	r.HandleFunc(
+		"/stake/validators/{validatorAddr}/redelegations",
+		validatorRedelegationsHandlerFn(cliCtx, cdc),
+	).Methods("GET")
+
 	// Get the current state of the staking pool
 	r.HandleFunc(
 		"/stake/pool",
@@ -191,33 +202,17 @@ func validatorsHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.Handl
 
 // HTTP request handler to query the validator information from a given validator address
 func validatorHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		vars := mux.Vars(r)
-		bech32validatorAddr := vars["validatorAddr"]
-
-		validatorAddr, err := sdk.ValAddressFromBech32(bech32validatorAddr)
-		if err != nil {
-			utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
-			return
-		}
-
-		params := stake.QueryValidatorParams{
-			ValidatorAddr: validatorAddr,
-		}
+	return queryValidator(cliCtx, cdc, "custom/stake/validator")
+}
 
-		bz, err := cdc.MarshalJSON(params)
-		if err != nil {
-			utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
-			return
-		}
+// HTTP request handler to query all unbonding delegations from a validator
+func validatorUnbondingDelegationsHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
+	return queryValidator(cliCtx, cdc, "custom/stake/validatorUnbondingDelegations")
+}
 
-		res, err := cliCtx.QueryWithData("custom/stake/validator", bz)
-		if err != nil {
-			utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
-			return
-		}
-		utils.PostProcessResponse(w, cdc, res, cliCtx.Indent)
-	}
+// HTTP request handler to query all redelegations from a source validator
+func validatorRedelegationsHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
+	return queryValidator(cliCtx, cdc, "custom/stake/validatorRedelegations")
 }
 
 // HTTP request handler to query the pool information

x/stake/client/rest/utils.go

@@ -111,3 +111,33 @@ func queryDelegator(cliCtx context.CLIContext, cdc *codec.Codec, endpoint string
 		utils.PostProcessResponse(w, cdc, res, cliCtx.Indent)
 	}
 }
+
+func queryValidator(cliCtx context.CLIContext, cdc *codec.Codec, endpoint string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		vars := mux.Vars(r)
+		bech32validatorAddr := vars["validatorAddr"]
+
+		validatorAddr, err := sdk.ValAddressFromBech32(bech32validatorAddr)
+		if err != nil {
+			utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
+			return
+		}
+
+		params := stake.QueryValidatorParams{
+			ValidatorAddr: validatorAddr,
+		}
+
+		bz, err := cdc.MarshalJSON(params)
+		if err != nil {
+			utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
+			return
+		}
+
+		res, err := cliCtx.QueryWithData(endpoint, bz)
+		if err != nil {
+			utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
+			return
+		}
+		utils.PostProcessResponse(w, cdc, res, cliCtx.Indent)
+	}
+}