private SerializedCallGraph SerializeCallingGraph(CallGraph graph)
{
var serializedCallGraph = new SerializedCallGraph();
serializedCallGraph.Edges.AddRange(graph.Edges.Select(edge =>
new GraphEdge {
Source = edge.Source, Target = edge.Target
}));
serializedCallGraph.Vertices.AddRange(graph.Vertices);
return(serializedCallGraph);
}
/// <summary>
/// calling graph is prepared for update contract code (check for DAG at that time)
/// </summary>
/// <param name="edges"></param>
/// <returns></returns>
/// <exception cref="FunctionMetadataException"></exception>
private CallGraph BuildCallingGraph(SerializedCallGraph callGraph)
{
CallGraph graph = new CallGraph();
graph.AddVertexRange(callGraph.Vertices);
graph.AddEdgeRange(callGraph.Edges.Select(serializedEdge =>
new Edge <string>(serializedEdge.Source, serializedEdge.Target)));
try
{
graph.TopologicalSort();
}
catch (NonAcyclicGraphException)
{
throw new FunctionMetadataException("The calling graph ISNOT DAG when restoring the calling graph according to the ContractMetadataTemplateMap from the database");
}
return(graph);
}
bool IEquatable <SerializedCallGraph> .Equals(SerializedCallGraph other)
{
var edges = new RepeatedField <GraphEdge>();
edges.AddRange(Edges.OrderBy(e => e.Source).ThenBy(e => e.Target));
var otherEdges = new RepeatedField <GraphEdge>();
otherEdges.AddRange(other.Edges.OrderBy(e => e.Source).ThenBy(e => e.Target));
var vertices = new RepeatedField <string>();
vertices.AddRange(Vertices.OrderBy(v => v));
var otherVertices = new RepeatedField <string>();
otherVertices.AddRange(other.Vertices.OrderBy(v => v));
return(edges.Equals(otherEdges) && vertices.Equals(otherVertices));
}