Update the PolygonValidiumEtrog smart contract to be aligned with fork id 8 (#71)

Author: Stefan-Ethernal

etherman/etherman.go

@@ -6,8 +6,8 @@ import (
 	"math/big"
 
 	"github.com/0xPolygon/cdk-data-availability/config"
-	"github.com/0xPolygon/cdk-data-availability/etherman/smartcontracts/polygondatacommittee"
-	"github.com/0xPolygon/cdk-data-availability/etherman/smartcontracts/polygonvalidium"
+	"github.com/0xPolygon/cdk-data-availability/etherman/smartcontracts/etrog/polygondatacommittee"
+	"github.com/0xPolygon/cdk-data-availability/etherman/smartcontracts/etrog/polygonvalidium"
 	"github.com/0xPolygon/cdk-data-availability/log"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"

etherman/smartcontracts/abigen.sh

@@ -4,9 +4,13 @@ set -e
 
 gen() {
     local package=$1
+    local forkName=$2
 
-    abigen --bin bin/${package}.bin --abi abi/${package}.abi --pkg=${package} --out=${package}/${package}.go
+    abigen --bin ${forkName}/bin/${package}.bin --abi ${forkName}/abi/${package}.abi --pkg=${package} --out=${forkName}/${package}/${package}.go
 }
 
-gen polygonvalidium
-gen polygondatacommittee
+gen polygonvalidium etrog
+gen polygondatacommittee etrog
+
+gen polygonvalidium elderberry
+gen polygondatacommittee elderberry