signature.hpp

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// Copyright (c) 2022 MIT Digital Currency Initiative,
//                    Federal Reserve Bank of Boston
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef OPENCBDC_TX_SRC_PARSEC_AGENT_RUNNERS_EVM_SIGNATURE_H_
#define OPENCBDC_TX_SRC_PARSEC_AGENT_RUNNERS_EVM_SIGNATURE_H_
 
#include "messages.hpp"
#include "util/common/buffer.hpp"
#include "util/common/hash.hpp"
#include "util/common/keys.hpp"
 
#include <evmc/evmc.hpp>
#include <evmc/hex.hpp>
#include <memory>
#include <secp256k1.h>
#include <secp256k1_extrakeys.h>
#include <secp256k1_recovery.h>
 
namespace cbdc::parsec::agent::runner {
    auto eth_sign(const privkey_t& key,
                  hash_t& hash,
                  evm_tx_type type,
                  const std::shared_ptr<secp256k1_context>& ctx,
                  uint64_t chain_id = opencbdc_chain_id) -> evm_sig;
 
    auto check_signature(const cbdc::parsec::agent::runner::evm_tx& tx,
                         const std::shared_ptr<secp256k1_context>& ctx,
                         uint64_t chain_id = opencbdc_chain_id)
        -> std::optional<evmc::address>;
 
    auto sig_hash(const cbdc::parsec::agent::runner::evm_tx& tx,
                  uint64_t chain_id = opencbdc_chain_id) -> hash_t;
 
}
#endif