Add a demo scenario

demo.md

@@ -0,0 +1,45 @@
+### Start the two instances of demo chain with following commands
+
+```bash 
+ignite chain serve -c sender.yml --reset-once
+```
+
+```bash 
+`ignite chain serve -c receiver.yml --reset-once`
+```
+
+### Configure and start the relayer
+
+```bash
+ignite relayer configure -a \
+--source-rpc "http://localhost:26659" \
+--source-faucet "http://localhost:4500" \
+--source-port "interquery" \
+--source-gasprice "0.0stake" \
+--source-gaslimit 5000000 \
+--source-prefix "cosmos" \
+--source-version "icq-1" \
+--target-rpc "http://localhost:26559" \
+--target-faucet "http://localhost:4501" \
+--target-port "icqhost" \
+--target-gasprice "0.0stake" \
+--target-gaslimit 300000 \
+--target-prefix "cosmos"  \
+--target-version "icq-1"
+```
+
+```bash
+ignite relayer connect
+```
+
+### Send the query to "receiver" chain
+
+```bash
+interchain-query-demod tx interquery send-query-all-balances channel-0 cosmos1ez43ye5qn3q2zwh8uvswppvducwnkq6w6mthgl --chain-id=sender --node=tcp://localhost:26659 --home ~/.sender --from alice
+```
+
+### See the result of packet 1
+
+```bash
+interchain-query-demod query interquery query-state 1 --chain-id=sender --node=tcp://localhost:26659
+```                                         

receiver.yml

@@ -0,0 +1,31 @@
+accounts:
+  - name: alice
+    mnemonic: cruise scene law sea push expose scorpion wire trick repair wave quote task dose inner denial alpha favorite certain blouse motion flash split lunch
+    coins: ["20000000atom", "2000000000stake"]
+  - name: bob
+    mnemonic: lizard garlic canyon winner cheese tent drip task because ecology clay bridge junk critic track artefact gather harsh deliver unit vacant earth diesel stool
+    coins: ["10000000atom", "1000000000stake"]
+validator:
+  name: alice
+  staked: "100000000stake"
+faucet:
+  host: ":4501"
+  name: bob
+  coins: ["1000000atom", "100000000stake"]
+host:
+  rpc: ":26559"
+  p2p: ":26662"
+  prof: ":6062"
+  grpc: ":9096"
+  grpc-web: ":8092"
+  api: ":1312"
+  frontend: ":8082"
+  dev-ui: ":12352"
+genesis:
+  chain_id: "receiver"
+  app_state:
+    interchainquery:
+        params:
+          allow_queries: ["/cosmos.bank.v1beta1.Query/AllBalances"]
+init:
+  home: "$HOME/.receiver"

sender.yml

@@ -0,0 +1,26 @@
+accounts:
+  - name: alice
+    mnemonic: edge victory hurry slight dog exit company bike hill erupt shield aspect turkey retreat stairs summer sadness crush absorb draft viable orphan chuckle exhibit
+    coins: ["20000000atom", "2000000000stake"]
+  - name: bob
+    coins: ["10000000atom", "1000000000stake"]
+validator:
+  name: alice
+  staked: "100000000stake"
+faucet:
+  host: ":4500"
+  name: bob
+  coins: ["1000000atom", "100000000stake"]
+host:
+  rpc: ":26659"
+  p2p: ":26661"
+  prof: ":6061"
+  grpc: ":9095"
+  grpc-web: ":8091"
+  api: ":1311"
+  frontend: ":8081"
+  dev-ui: ":12351"
+genesis:
+  chain_id: "sender"
+init:
+  home: "$HOME/.sender"

x/interquery/types/codec.go

@@ -5,6 +5,8 @@ import (
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
+	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	"github.com/gogo/protobuf/proto"
 )
 
 func RegisterCodec(cdc *codec.LegacyAmino) {
@@ -18,6 +20,11 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	)
 	// this line is used by starport scaffolding # 3
 
+	// For printing purposes
+	registry.RegisterImplementations((*proto.Message)(nil),
+		&banktypes.QueryAllBalancesRequest{},
+		&banktypes.QueryAllBalancesResponse{},
+	)
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }