carrot_impl: make_single_enote_carrot_coinbase_transaction_v1

src/carrot_impl/carrot_tx_format_utils.cpp

@@ -31,6 +31,7 @@
 
 //local headers
 #include "carrot_core/enote_utils.h"
+#include "carrot_core/payment_proposal.h"
 #include "common/container_helpers.h"
 #include "cryptonote_basic/cryptonote_format_utils.h"
 #include "cryptonote_config.h"
@@ -395,6 +396,28 @@ cryptonote::transaction store_carrot_to_coinbase_transaction_v1(
     return tx;
 }
 //-------------------------------------------------------------------------------------------------------------------
+cryptonote::transaction make_single_enote_carrot_coinbase_transaction_v1(const CarrotDestinationV1 &destination,
+    const rct::xmr_amount block_reward,
+    const std::uint64_t block_index,
+    const cryptonote::blobdata &extra_nonce)
+{
+    CHECK_AND_ASSERT_THROW_MES(!destination.is_subaddress,
+        "make_single_enote_carrot_coinbase_transaction_v1: subaddress are not allowed in miner transactions");
+    CHECK_AND_ASSERT_THROW_MES(destination.payment_id == null_payment_id,
+        "make_single_enote_carrot_coinbase_transaction_v1: integrated addresses are not allowed in miner transactions");
+
+    const CarrotPaymentProposalV1 payment_proposal{
+        .destination = destination,
+        .amount = block_reward,
+        .randomness = gen_janus_anchor()
+    };
+
+    std::vector<CarrotCoinbaseEnoteV1> enotes(1);
+    get_coinbase_output_proposal_v1(payment_proposal, block_index, enotes.front());
+
+    return store_carrot_to_coinbase_transaction_v1(enotes, extra_nonce);
+}
+//-------------------------------------------------------------------------------------------------------------------
 bool try_load_carrot_coinbase_enote_from_transaction_v1(const cryptonote::transaction &tx,
     const epee::span<const mx25519_pubkey> enote_ephemeral_pubkeys,
     const std::size_t local_output_index,

src/carrot_impl/carrot_tx_format_utils.h

@@ -30,6 +30,7 @@
 
 //local headers
 #include "carrot_core/carrot_enote_types.h"
+#include "carrot_core/destination.h"
 #include "cryptonote_basic/blobdatatype.h"
 #include "cryptonote_basic/cryptonote_basic.h"
 #include "cryptonote_basic/tx_extra.h"
@@ -134,6 +135,18 @@ bool try_load_carrot_from_transaction_v1(const cryptonote::transaction &tx,
 cryptonote::transaction store_carrot_to_coinbase_transaction_v1(
     const std::vector<CarrotCoinbaseEnoteV1> &enotes,
     const cryptonote::blobdata &extra_nonce);
+/**
+ * brief: make_single_enote_carrot_coinbase_transaction_v1 - store one coinbase Carrot enote to a cryptonote::transaction
+ * param: destination -
+ * param: block_reward -
+ * param: block_index -
+ * param: extra_nonce -
+ * return: a full coinbase transaction containing given Carrot information
+ */
+cryptonote::transaction make_single_enote_carrot_coinbase_transaction_v1(const CarrotDestinationV1 &destination,
+    const rct::xmr_amount block_reward,
+    const std::uint64_t block_index,
+    const cryptonote::blobdata &extra_nonce);
 /**
  * brief: try_load_carrot_coinbase_enote_from_transaction_v1 - load one coinbase Carrot enote from a cryptonote::transaction
  * param: tx -