include tests for precompiles package

precompiles/precompiles_test.go

@@ -0,0 +1,40 @@
+package precompiles_test
+
+import (
+	"testing"
+
+	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+	ethparams "github.com/ethereum/go-ethereum/params"
+	"github.com/stretchr/testify/require"
+	ethermint "github.com/zeta-chain/ethermint/types"
+	"github.com/zeta-chain/zetacore/precompiles"
+	"github.com/zeta-chain/zetacore/testutil/keeper"
+)
+
+func Test_StatefulContracts(t *testing.T) {
+	k, ctx, _, _ := keeper.FungibleKeeper(t)
+	gasConfig := storetypes.TransientGasConfig()
+
+	var encoding ethermint.EncodingConfig
+	appCodec := encoding.Codec
+
+	var expectedContracts int
+	for _, enabled := range precompiles.EnabledStatefulContracts {
+		if enabled {
+			expectedContracts++
+		}
+	}
+
+	// StatefulContracts() should return all the enabled contracts.
+	contracts := precompiles.StatefulContracts(k, appCodec, gasConfig)
+	require.NotNil(t, contracts, "StatefulContracts() should not return a nil slice")
+	require.Len(t, contracts, expectedContracts, "StatefulContracts() should return all the enabled contracts")
+
+	// Extract the contract function from the first contract.
+	customContractFn := contracts[0]
+	contract := customContractFn(ctx, ethparams.Rules{})
+
+	// Check the contract function returns a valid address.
+	contractAddr := contract.Address()
+	require.NotNil(t, contractAddr, "The called contract should have a valid address")
+}

precompiles/prototype/testutil/RegularCaller.abi

@@ -0,0 +1,52 @@
+[
+  {
+    "inputs": [],
+    "name": "testBech32ToHexAddr",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "testBech32ify",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "method",
+        "type": "string"
+      },
+      {
+        "internalType": "address",
+        "name": "addr",
+        "type": "address"
+      }
+    ],
+    "name": "testRegularCall",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]

precompiles/prototype/testutil/RegularCaller.bin

@@ -0,0 +1 @@
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