public Task <bool> OutputExists(string transactionHash, int n) { return(_table.Any(o => o.TransactionHash == transactionHash && o.N == n)); }
public Task <bool> HasChannel(string multisig) { return(_table.Any(o => o.Multisig == multisig)); }
public Task <bool> Has(string hash) { return(_table.Any(o => o.TransactionHash == hash)); }