Merge #2932: Update to Tendermint v0.27.0-dev0

* Update upstream Tendermint version
* Update PENDING.md
* Fix for accum -> proposer priority

Gopkg.toml

@@ -36,7 +36,7 @@
 
 [[override]]
   name = "github.com/tendermint/tendermint"
-  revision = "70a7cae58c8f880aede3b19101e54fb9a7b08c0b"
+  revision = "v0.27.0-dev0"
 
 ## deps without releases:
 

PENDING.md

@@ -25,6 +25,7 @@ BREAKING CHANGES
   * [\#2798](https://github.com/cosmos/cosmos-sdk/issues/2798) Governance API has miss-spelled English word in JSON response ('depositer' -> 'depositor')
 
 * Tendermint
+  - Update to Tendermint 0.27.0
 
 
 FEATURES

client/rpc/validators.go

@@ -38,10 +38,10 @@ func ValidatorCommand() *cobra.Command {
 
 // Validator output in bech32 format
 type ValidatorOutput struct {
-	Address     sdk.ValAddress `json:"address"` // in bech32
-	PubKey      string         `json:"pub_key"` // in bech32
-	Accum       int64          `json:"accum"`
-	VotingPower int64          `json:"voting_power"`
+	Address          sdk.ValAddress `json:"address"` // in bech32
+	PubKey           string         `json:"pub_key"` // in bech32
+	ProposerPriority int64          `json:"proposer_priority"`
+	VotingPower      int64          `json:"voting_power"`
 }
 
 // Validators at a certain height output in bech32 format
@@ -57,10 +57,10 @@ func bech32ValidatorOutput(validator *tmtypes.Validator) (ValidatorOutput, error
 	}
 
 	return ValidatorOutput{
-		Address:     sdk.ValAddress(validator.Address),
-		PubKey:      bechValPubkey,
-		Accum:       validator.Accum,
-		VotingPower: validator.VotingPower,
+		Address:          sdk.ValAddress(validator.Address),
+		PubKey:           bechValPubkey,
+		ProposerPriority: validator.ProposerPriority,
+		VotingPower:      validator.VotingPower,
 	}, nil
 }