psbt.h

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// Copyright (c) 2009-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_NODE_PSBT_H
#define BITCOIN_NODE_PSBT_H
 
#include <psbt.h>
 
#include <optional>
 
namespace node {
struct PSBTInputAnalysis {
    bool has_utxo; 
    bool is_final; 
    PSBTRole next; 
 
    std::vector<CKeyID> missing_pubkeys; 
    std::vector<CKeyID> missing_sigs;    
    uint160 missing_redeem_script;       
    uint256 missing_witness_script;      
};

struct PSBTAnalysis {
    std::optional<size_t> estimated_vsize;      
    std::optional<CFeeRate> estimated_feerate;  
    std::optional<CAmount> fee;                 
    std::vector<PSBTInputAnalysis> inputs;      
    PSBTRole next;                              
    std::string error;                          
 
    void SetInvalid(std::string err_msg)
    {
        estimated_vsize = std::nullopt;
        estimated_feerate = std::nullopt;
        fee = std::nullopt;
        inputs.clear();
        next = PSBTRole::CREATOR;
        error = err_msg;
    }
};

PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx);
} // namespace node
 
#endif // BITCOIN_NODE_PSBT_H