add registry getter script

cadence/scripts/utils/get_registry_address.cdc

@@ -0,0 +1,29 @@
+import "EVM"
+
+import "FlowEVMBridgeConfig"
+import "FlowEVMBridgeUtils"
+
+access(all)
+fun main(coaHost: Address): String {
+    let coa = getAuthAccount<auth(BorrowValue) &Account>(coaHost)
+        .storage
+        .borrow<auth(EVM.Call) &EVM.CadenceOwnedAccount>(from: /storage/evm)
+        ?? panic("Could not borrow CadenceOwnedAccount from host=".concat(coaHost.toString()))
+    let res = coa.call(
+        to: FlowEVMBridgeUtils.getBridgeFactoryEVMAddress(),
+        data: EVM.encodeABIWithSignature("getRegistry()", []),
+        gasLimit: FlowEVMBridgeConfig.gasLimit,
+        value: EVM.Balance(attoflow: UInt(0))
+    )
+
+    assert(
+        res.status == EVM.Status.successful,
+        message: "getRegistry call to FlowEVMBridgeFactory failed"
+    )
+
+    let decodedRes = EVM.decodeABI(types: [Type<EVM.EVMAddress>()], data: res.data) 
+
+    assert(decodedRes.length == 1, message: "Invalid response length")
+
+    return (decodedRes[0] as! EVM.EVMAddress).toString()
+}