public static async Task <ContractParameterParser> GetContractParameterParserAsync(this IExpressNode expressNode, ExpressChain?chain = null)
{
ContractParameterParser.TryGetUInt160 tryGetAccount = (string name, out UInt160 scriptHash) =>
{
var account = chain?.GetAccount(name);
if (account != null)
{
scriptHash = account.AsUInt160();
return(true);
}
scriptHash = null !;
return(false);
};
var contracts = await expressNode.ListContractsAsync().ConfigureAwait(false);
var lookup = contracts.ToDictionary(c => c.manifest.Name, c => c.hash);
ContractParameterParser.TryGetUInt160 tryGetContract = (string name, out UInt160 scriptHash) =>
{
if (lookup.TryGetValue(name, out var value))
{
scriptHash = value;
return(true);
}
foreach (var kvp in lookup)
{
if (string.Equals(name, kvp.Key, StringComparison.OrdinalIgnoreCase))
{
scriptHash = kvp.Value;
return(true);
}
}
scriptHash = default !;