Problem: unable to query historical txs whose module is removed

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Bug Fixes
 
 * [#1714](https://github.com/crypto-org-chain/cronos/pull/1714) Avoid nil pointer error when query blocks before feemarket module gets enabled.
+* [#1713](https://github.com/crypto-org-chain/cronos/pull/1713) Register legacy codec to allow query historical txs whose modules are removed (icaauth, authz).
 
 ### Improvements
 

app/legacy.go

@@ -0,0 +1,18 @@
+package app
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	"github.com/cosmos/cosmos-sdk/x/authz"
+	icaauthtypes "github.com/crypto-org-chain/cronos/v2/app/legacy/icaauth/types"
+)
+
+func RegisterLegacyCodec(cdc *codec.LegacyAmino) {
+	icaauthtypes.RegisterCodec(cdc)
+	authz.RegisterLegacyAminoCodec(cdc)
+}
+
+func RegisterLegacyInterfaces(registry cdctypes.InterfaceRegistry) {
+	icaauthtypes.RegisterInterfaces(registry)
+	authz.RegisterInterfaces(registry)
+}

app/legacy/icaauth/types/codec.go

@@ -0,0 +1,23 @@
+package types
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
+)
+
+func RegisterCodec(cdc *codec.LegacyAmino) {
+	cdc.RegisterConcrete(&MsgRegisterAccount{}, "icaauth/RegisterAccount", nil)
+	cdc.RegisterConcrete(&MsgSubmitTx{}, "icaauth/SubmitTx", nil)
+}
+
+func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgRegisterAccount{},
+	)
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgSubmitTx{},
+	)
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
+}