Merge pull request #63 from multiversx/update_core_go

updated mx-chain-core-go

Author: sstanculeanu

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/libp2p/go-libp2p-kbucket v0.6.3
 	github.com/libp2p/go-libp2p-pubsub v0.9.3
 	github.com/multiformats/go-multiaddr v0.9.0
-	github.com/multiversx/mx-chain-core-go v1.2.21
+	github.com/multiversx/mx-chain-core-go v1.3.0
 	github.com/multiversx/mx-chain-crypto-go v1.2.12
 	github.com/multiversx/mx-chain-logger-go v1.0.15
 	github.com/multiversx/mx-chain-storage-go v1.0.16

go.sum

@@ -367,8 +367,8 @@ github.com/multiformats/go-multistream v0.4.1/go.mod h1:Mz5eykRVAjJWckE2U78c6xqd
 github.com/multiformats/go-varint v0.0.1/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
 github.com/multiformats/go-varint v0.0.7 h1:sWSGR+f/eu5ABZA2ZpYKBILXTTs9JWpdEM/nEGOHFS8=
 github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOELpZAu9eioSos/OU=
-github.com/multiversx/mx-chain-core-go v1.2.21 h1:+XVKznPTlUU5EFS1A8chtS8fStW60upRIyF4Pgml19I=
-github.com/multiversx/mx-chain-core-go v1.2.21/go.mod h1:B5zU4MFyJezmEzCsAHE9YNULmGCm2zbPHvl9hazNxmE=
+github.com/multiversx/mx-chain-core-go v1.3.0 h1:GhDlvwHAhG5AabgCoGxwdtTEzVCa0KPkGAKB+BtIgQ0=
+github.com/multiversx/mx-chain-core-go v1.3.0/go.mod h1:B5zU4MFyJezmEzCsAHE9YNULmGCm2zbPHvl9hazNxmE=
 github.com/multiversx/mx-chain-crypto-go v1.2.12 h1:zWip7rpUS4CGthJxfKn5MZfMfYPjVjIiCID6uX5BSOk=
 github.com/multiversx/mx-chain-crypto-go v1.2.12/go.mod h1:HzcPpCm1zanNct/6h2rIh+MFrlXbjA5C8+uMyXj3LI4=
 github.com/multiversx/mx-chain-logger-go v1.0.15 h1:HlNdK8etyJyL9NQ+6mIXyKPEBo+wRqOwi3n+m2QIHXc=