TxHashSetHandler

// Sum tree handler. Retrieve the roots:
// GET /v1/txhashset/roots
//
// Last inserted nodes::
// GET /v1/txhashset/lastoutputs (gets last 10)
// GET /v1/txhashset/lastoutputs?n=5
// GET /v1/txhashset/lastrangeproofs
// GET /v1/txhashset/lastkernels

// UTXO traversal::
// GET /v1/txhashset/outputs?start_index=1&max=100
//
// Build a merkle proof for a given pos
// GET /v1/txhashset/merkleproof?n=1

pub struct TxHashSetHandler {
    pub chain: Weak<chain::Chain>,
}