feat: add x/authz message parser (#97)

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## Description
<!-- Small description -->
Closes
[BDU-1030](https://forbole.atlassian.net/jira/software/c/projects/BDU/issues/BDU-1030)

## Checklist
- [x] Targeted PR against correct branch.
- [x] Linked to Github issue with discussion and accepted design OR link
to spec that describes this work.
- [ ] Wrote unit tests.  
- [x] Re-reviewed `Files changed` in the Github PR explorer.


[BDU-1030]:
https://forbole.atlassian.net/browse/BDU-1030?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Compute diff 📜
-        uses: technote-space/get-diff-action@v6.1.0
+        uses: technote-space/get-diff-action@v6.1.2
         with:
           SUFFIX_FILTER: |
             .go
@@ -27,9 +27,9 @@ jobs:
 
       - name: Setup Go 🧰
         if: "env.GIT_DIFF != ''"
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.20
+          go-version: "1.20"
 
       - name: Run lint ✅
         if: "env.GIT_DIFF != ''"

.github/workflows/test.yml

@@ -24,9 +24,9 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup Go 🧰
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.20
+          go-version: "1.20"
 
       - name: Compute diff 📜
         uses: technote-space/get-diff-action@v6.1.0

CHANGELOG.md

@@ -1,3 +1,7 @@
+## Unreleased
+### Changes
+- ([\#97](https://github.com/forbole/juno/pull/97)) Add `x/authz` message parser
+
 ## v5.1.0
 ### Changes
 - Bumped Go version to `1.20`

modules/messages/account_parser.go

@@ -2,6 +2,7 @@ package messages
 
 import (
 	"fmt"
+	"strings"
 
 	"github.com/gogo/protobuf/proto"
 
@@ -12,6 +13,7 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	authztypes "github.com/cosmos/cosmos-sdk/x/authz"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
@@ -52,6 +54,7 @@ var CosmosMessageAddressesParser = JoinMessageParsers(
 	GovMessagesParser,
 	SlashingMessagesParser,
 	StakingMessagesParser,
+	AuthzMessageParser,
 	DefaultMessagesParser,
 )
 
@@ -205,3 +208,96 @@ func StakingMessagesParser(_ codec.Codec, cosmosMsg sdk.Msg) ([]string, error) {
 
 	return nil, MessageNotSupported(cosmosMsg)
 }
+
+// AuthzMessageParser returns the list of all the accounts involved in the given
+// message if it's related to the x/authz module
+func AuthzMessageParser(c codec.Codec, cosmosMsg sdk.Msg) ([]string, error) {
+	switch msg := cosmosMsg.(type) {
+	case *authztypes.MsgGrant:
+		return []string{msg.Grantee, msg.Granter}, nil
+	case *authztypes.MsgRevoke:
+		return []string{msg.Grantee, msg.Granter}, nil
+	case *authztypes.MsgExec:
+		for _, index := range msg.Msgs {
+			var executedMsg sdk.Msg
+			if err := c.UnpackAny(index, &executedMsg); err != nil {
+				return nil, fmt.Errorf("error while unpacking message from authz: %s", err)
+			}
+
+			switch {
+			case strings.Contains(index.TypeUrl, "bank"):
+				addresses, err := BankMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "crisis"):
+				addresses, err := CrisisMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "distribution"):
+				addresses, err := DistributionMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "evidence"):
+				addresses, err := EvidenceMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "gov.v1beta1"):
+				addresses, err := GovV1Beta1MessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "gov.v1."):
+				addresses, err := GovV1MessageParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "ibc"):
+				addresses, err := IBCTransferMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "slashing"):
+				addresses, err := SlashingMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			case strings.Contains(index.TypeUrl, "staking"):
+				addresses, err := StakingMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			default:
+				addresses, err := DefaultMessagesParser(c, executedMsg)
+				if err != nil {
+					return nil, MessageNotSupported(executedMsg)
+				}
+				addresses = append(addresses, msg.Grantee)
+				return addresses, nil
+			}
+		}
+	}
+
+	return nil, MessageNotSupported(cosmosMsg)
+}