public void CreateOrganization(Address from, string ID, string name, byte[] script)
{
var Runtime = this;
Runtime.Expect(Runtime.IsRootChain(), "must be root chain");
Runtime.Expect(from == Runtime.GenesisAddress, "must be genesis");
Runtime.Expect(Runtime.IsWitness(from), "invalid witness");
Runtime.Expect(ValidationUtils.IsValidIdentifier(ID), "invalid organization name");
Runtime.Expect(!Nexus.OrganizationExists(RootStorage, ID), "organization already exists");
Nexus.CreateOrganization(RootStorage, ID, name, script);
Runtime.Notify(EventKind.OrganizationCreate, from, ID);
}