diff --git a/gno.land/cmd/gnoland/integration_test.go b/gno.land/cmd/gnoland/integration_test.go
index 37451df9704..6dff77c96b9 100644
--- a/gno.land/cmd/gnoland/integration_test.go
+++ b/gno.land/cmd/gnoland/integration_test.go
@@ -1,11 +1,139 @@
 package main
 
 import (
+	"fmt"
+	"os"
 	"testing"
 
+	"github.com/gnolang/gno/gno.land/pkg/gnoclient"
 	"github.com/gnolang/gno/gno.land/pkg/integration"
+	"github.com/gnolang/gno/gnovm/pkg/gnoenv"
+	"github.com/gnolang/gno/tm2/pkg/amino"
+	rpcclient "github.com/gnolang/gno/tm2/pkg/bft/rpc/client"
+	"github.com/gnolang/gno/tm2/pkg/crypto/bip39"
+	"github.com/gnolang/gno/tm2/pkg/crypto/keys"
+	"github.com/gnolang/gno/tm2/pkg/log"
+	"github.com/gnolang/gno/tm2/pkg/sdk/bank"
+	"github.com/gnolang/gno/tm2/pkg/std"
+	"github.com/stretchr/testify/require"
 )
 
-func TestTestdata(t *testing.T) {
-	integration.RunGnolandTestscripts(t, "testdata")
+var integrationChainID = "intnet"
+
+func TestIntegration_gasSponsorship(t *testing.T) {
+	// Set up in-memory node
+	config, _ := integration.TestingNodeConfig(t, gnoenv.RootDir())
+	node, remoteAddr := integration.TestingInMemoryNode(t, log.NewNoopLogger(), config)
+	defer node.Stop()
+
+	// Init Signer & RPCClient
+	signer1 := newInMemorySigner(t, "test1")
+	signer2 := newInMemorySigner(t, "test2")
+	fmt.Println(signer1)
+	fmt.Println(signer2)
+	rpcClient, err := rpcclient.NewHTTPClient(remoteAddr)
+	require.NoError(t, err)
+
+	tx := std.Tx{
+		Fee: std.Fee{
+			GasWanted: 10,
+			GasFee: std.Coin{
+				Amount: 10,
+				Denom:  "ugnot",
+			},
+		},
+		Signatures: nil, // no sigs
+	}
+
+	tx.Msgs = []std.Msg{
+		bank.MsgSend{FromAddress: signer1.Info().GetAddress()}, // XXX: replace with NoopMsg
+		bank.MsgSend{FromAddress: signer2.Info().GetAddress()},
+	}
+
+	signbz1, err := tx.GetSignBytes(integrationChainID, 1, 0)
+
+	sig1, pubkey1, err := signer1.Keybase.Sign(signer1.Account, signer1.Password, signbz1)
+	require.NoError(t, err)
+
+	tx.Signatures = []std.Signature{
+		{
+			PubKey:    pubkey1,
+			Signature: sig1,
+		},
+	}
+
+	txFile, err := os.CreateTemp("", "")
+	require.NoError(t, err)
+
+	encodedTx, err := amino.MarshalJSON(tx)
+	require.NoError(t, err)
+	fmt.Println(string(encodedTx))
+
+	_, err = txFile.Write(encodedTx)
+	require.NoError(t, err)
+
+	_ = rpcClient
+
+	/*
+		// Setup Client
+		client := Client{
+			Signer:    signer,
+			RPCClient: rpcClient,
+		}
+
+		// Make Tx config
+		baseCfg := BaseTxCfg{
+			GasFee:         "10000ugnot",
+			GasWanted:      8000000,
+			AccountNumber:  0,
+			SequenceNumber: 0,
+			Memo:           "",
+		}
+
+		// Make Msg configs
+		msg1 := MsgCall{
+			PkgPath:  "gno.land/r/demo/deep/very/deep",
+			FuncName: "Render",
+			Args:     []string{""},
+			Send:     "",
+		}
+
+		// Same call, different argument
+		msg2 := MsgCall{
+			PkgPath:  "gno.land/r/demo/deep/very/deep",
+			FuncName: "Render",
+			Args:     []string{"test argument"},
+			Send:     "",
+		}
+
+		expected := "(\"it works!\" string)\n\n(\"hi test argument\" string)\n\n"
+
+		// Execute call
+		res, err := client.Call(baseCfg, msg1, msg2)
+
+		got := string(res.DeliverTx.Data)
+		assert.Nil(t, err)
+		assert.Equal(t, expected, got)
+	*/
+}
+
+func newInMemorySigner(t *testing.T, name string) *gnoclient.SignerFromKeybase {
+	t.Helper()
+
+	entropy, err := bip39.NewEntropy(256)
+	require.NoError(t, err)
+
+	mnemonic, err := bip39.NewMnemonic(entropy)
+	require.NoError(t, err)
+
+	kb := keys.NewInMemory()
+	_, err = kb.CreateAccount(name, mnemonic, "", "", uint32(0), uint32(0))
+	require.NoError(t, err)
+
+	return &gnoclient.SignerFromKeybase{
+		Keybase:  kb,                 // Stores keys in memory or on disk
+		Account:  name,               // Account name or bech32 format
+		Password: "",                 // Password for encryption
+		ChainID:  integrationChainID, // Chain ID for transaction signing
+	}
 }
diff --git a/gno.land/cmd/gnoland/testdata/gas_sponsorship.txtar b/gno.land/cmd/gnoland/testdata/gas_sponsorship.txtar
new file mode 100644
index 00000000000..dfbd34ba723
--- /dev/null
+++ b/gno.land/cmd/gnoland/testdata/gas_sponsorship.txtar
@@ -0,0 +1,14 @@
+# TODO: add explanation
+
+adduser test2
+gnoland start
+
+gnokey query bank/balances/${USER_ADDR_test1}
+stdout 'height: 0'
+stdout 'data: "10000000000000ugnot"'
+gnokey query bank/balances/${USER_ADDR_test2}
+stdout 'height: 0'
+stdout 'data: "10000000ugnot"'
+
+#gnokey sign -txpath unsigned.tx -chainid "portal-loop" -number ACCOUNTNUMBER -sequence SEQUENCENUMBER moul > signed.tx
+#gnokey broadcast -remote "https://rpc.gno.land:443" signed.tx
diff --git a/gno.land/cmd/gnoland/testdata_test.go b/gno.land/cmd/gnoland/testdata_test.go
new file mode 100644
index 00000000000..37451df9704
--- /dev/null
+++ b/gno.land/cmd/gnoland/testdata_test.go
@@ -0,0 +1,11 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/gnolang/gno/gno.land/pkg/integration"
+)
+
+func TestTestdata(t *testing.T) {
+	integration.RunGnolandTestscripts(t, "testdata")
+}
diff --git a/gno.land/pkg/gnoclient/integration_test.go b/gno.land/pkg/gnoclient/integration_test.go
index bd8079517d8..b40229ec142 100644
--- a/gno.land/pkg/gnoclient/integration_test.go
+++ b/gno.land/pkg/gnoclient/integration_test.go
@@ -3,16 +3,14 @@ package gnoclient
 import (
 	"testing"
 
-	"github.com/gnolang/gno/gnovm/pkg/gnolang"
-
-	"github.com/gnolang/gno/tm2/pkg/std"
-
 	"github.com/gnolang/gno/gno.land/pkg/integration"
 	"github.com/gnolang/gno/gnovm/pkg/gnoenv"
+	"github.com/gnolang/gno/gnovm/pkg/gnolang"
 	rpcclient "github.com/gnolang/gno/tm2/pkg/bft/rpc/client"
 	"github.com/gnolang/gno/tm2/pkg/crypto"
 	"github.com/gnolang/gno/tm2/pkg/crypto/keys"
 	"github.com/gnolang/gno/tm2/pkg/log"
+	"github.com/gnolang/gno/tm2/pkg/std"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )