Add no error type

fendermint/vm/interpreter/src/fvm/state/ipc.rs

@@ -2,6 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0, MIT
 
 use anyhow::{anyhow, Context};
+use ethers::abi::{AbiDecode, AbiEncode, AbiError};
+use ethers::contract::ContractRevert;
+use ethers::prelude::Selector;
 use ethers::types as et;
 
 use fvm_ipld_blockstore::Blockstore;
@@ -52,7 +55,7 @@ pub struct GatewayCaller<DB> {
     xnet: ContractCaller<
         DB,
         XnetMessagingFacet<MockProvider>,
-        xnet_messaging_facet::XnetMessagingFacetErrors,
+        NoErrors,
     >,
 }
 
@@ -360,3 +363,24 @@ fn membership_to_power_table(
 
     pt
 }
+
+#[derive(Clone, ethers::contract::EthAbiType, Debug, PartialEq, Eq, Hash)]
+pub struct NoErrors {}
+
+impl ContractRevert for NoErrors {
+    fn valid_selector(_selector: Selector) -> bool {
+        unreachable!("valid_selector should not have been called")
+    }
+}
+
+impl AbiDecode for NoErrors {
+    fn decode(_bytes: impl AsRef<[u8]>) -> Result<Self, AbiError> {
+        unreachable!("decode should not have been called")
+    }
+}
+
+impl AbiEncode for NoErrors {
+    fn encode(self) -> Vec<u8> {
+        unreachable!("encode should not have been called")
+    }
+}