Remove chain ID restrictions in EVM types

The restrictions on chain ID in the EVM transaction types dynamic_fee_tx, access_list_tx and legacy_tx were removed. This increases flexibility and clears up the code since it previously explicitly checked for a chain ID of 9000 or 9001.

go.mod

@@ -49,6 +49,8 @@ require (
 	sigs.k8s.io/yaml v1.3.0
 )
 
+require github.com/evmos/evmos/v12 v12.0.0-20230310230306-719363fbb92f // indirect
+
 require (
 	cloud.google.com/go v0.110.0 // indirect
 	cloud.google.com/go/compute v1.18.0 // indirect
@@ -101,7 +103,6 @@ require (
 	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/dvsekhvalnov/jose2go v1.5.0 // indirect
 	github.com/edsrzf/mmap-go v1.0.0 // indirect
-	github.com/evmos/evmos/v12 v12.0.0-20230310230306-719363fbb92f // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect

x/evm/types/access_list_tx.go

@@ -237,13 +237,6 @@ func (tx AccessListTx) Validate() error {
 		)
 	}
 
-	if !(chainID.Cmp(big.NewInt(9001)) == 0 || chainID.Cmp(big.NewInt(9000)) == 0) {
-		return errorsmod.Wrapf(
-			errortypes.ErrInvalidChainID,
-			"chain ID must be 9000 or 9001 on Evmos, got %s", chainID,
-		)
-	}
-
 	return nil
 }
 

x/evm/types/dynamic_fee_tx.go

@@ -268,14 +268,6 @@ func (tx DynamicFeeTx) Validate() error {
 			"chain ID must be present on AccessList txs",
 		)
 	}
-
-	if !(chainID.Cmp(big.NewInt(9001)) == 0 || chainID.Cmp(big.NewInt(9000)) == 0) {
-		return errorsmod.Wrapf(
-			errortypes.ErrInvalidChainID,
-			"chain ID must be 9000 or 9001 on Evmos, got %s", chainID,
-		)
-	}
-
 	return nil
 }
 

x/evm/types/legacy_tx.go

@@ -213,14 +213,6 @@ func (tx LegacyTx) Validate() error {
 			"chain ID must be present on AccessList txs",
 		)
 	}
-
-	if !(chainID.Cmp(big.NewInt(9001)) == 0 || chainID.Cmp(big.NewInt(9000)) == 0) {
-		return errorsmod.Wrapf(
-			errortypes.ErrInvalidChainID,
-			"chain ID must be 9000 or 9001 on Evmos, got %s", chainID,
-		)
-	}
-
 	return nil
 }