Add EVM Capability method enums

Author: ilija42

pkg/loop/internal/pb/evm/cap_methods.go

@@ -0,0 +1,18 @@
+package evmpb
+
+type CapabilityMethod string
+
+const (
+	MethodGetTransactionFee      CapabilityMethod = "GetTransactionFee"
+	MethodCallContract           CapabilityMethod = "CallContract"
+	MethodGetLogs                CapabilityMethod = "GetLogs"
+	MethodBalanceAt              CapabilityMethod = "BalanceAt"
+	MethodEstimateGas            CapabilityMethod = "EstimateGas"
+	MethodGetTransactionByHash   CapabilityMethod = "GetTransactionByHash"
+	MethodGetTransactionReceipt  CapabilityMethod = "GetTransactionReceipt"
+	MethodLatestAndFinalizedHead CapabilityMethod = "LatestAndFinalizedHead"
+	MethodQueryLogsFromCache     CapabilityMethod = "QueryLogsFromCache"
+	MethodRegisterLogTracking    CapabilityMethod = "RegisterLogTracking"
+	MethodUnregisterLogTracking  CapabilityMethod = "UnregisterLogTracking"
+	MethodGetTransactionStatus   CapabilityMethod = "GetTransactionStatus"
+)