Implement packet forward removal

cmd/spawn/new-chain.go

@@ -16,6 +16,7 @@ var (
 		{ID: "poa", IsSelected: true, Details: "Proof-of-Authority consensus algorithm (permissioned network)"},
 		{ID: "globalfee", IsSelected: true, Details: "Static minimum fee(s) for all transactions, controlled by governance"},
 		{ID: "cosmwasm", IsSelected: true, Details: "Cosmos smart contracts"},
+		{ID: "packetforward", IsSelected: true, Details: "Packet forwarding (for IBC)"},
 	}
 )
 

spawn/remove_modules.go

@@ -17,6 +17,8 @@ func (fc *FileContent) RemoveDisabledFeatures(cfg *NewChainConfig) {
 			fc.RemoveGlobalFee()
 		case "wasm", "cosmwasm", "cw":
 			fc.RemoveCosmWasm()
+		case "packetforward", "pfm":
+			fc.RemovePacketForward()
 		default:
 			// is this acceptable? or should we just print and continue?
 			panic("unknown feature to remove " + name)
@@ -103,3 +105,12 @@ func (fc *FileContent) RemoveCosmWasm() {
 		path.Join("cmd", "wasmd", "root.go"),
 	)
 }
+
+func (fc *FileContent) RemovePacketForward() {
+	text := "packetforward"
+	fc.RemoveGoModImport("github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v8/packetforward")
+
+	fc.RemoveModuleFromText(text,
+		path.Join("app", "app.go"),
+	)
+}