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kernel: Add API function for getting a tx's nLockTime

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This commit is contained in:
Sebastian Falbesoner
2026-03-18 03:53:08 +01:00
parent ff7cdf633e
commit 6b64b181d5
4 changed files with 20 additions and 0 deletions
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5
src/kernel/bitcoinkernel.cpp
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@@ -533,6 +533,11 @@ const btck_TransactionInput* btck_transaction_get_input_at(const btck_Transactio
return btck_TransactionInput::ref(&btck_Transaction::get(transaction)->vin[input_index]);
}
uint32_t btck_transaction_get_locktime(const btck_Transaction* transaction)
{
return btck_Transaction::get(transaction)->nLockTime;
}
const btck_Txid* btck_transaction_get_txid(const btck_Transaction* transaction)
{
return btck_Txid::ref(&btck_Transaction::get(transaction)->GetHash());

9
src/kernel/bitcoinkernel.h
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@@ -576,6 +576,15 @@ BITCOINKERNEL_API const btck_TransactionInput* BITCOINKERNEL_WARN_UNUSED_RESULT
BITCOINKERNEL_API size_t BITCOINKERNEL_WARN_UNUSED_RESULT btck_transaction_count_inputs(
const btck_Transaction* transaction) BITCOINKERNEL_ARG_NONNULL(1);
/**
* @brief Get a transaction's nLockTime value.
*
* @param[in] transaction Non-null.
* @return The nLockTime value.
*/
BITCOINKERNEL_API uint32_t BITCOINKERNEL_WARN_UNUSED_RESULT btck_transaction_get_locktime(
const btck_Transaction* transaction) BITCOINKERNEL_ARG_NONNULL(1);
/**
* @brief Get the txid of a transaction. The returned txid is not owned and
* depends on the lifetime of the transaction.

5
src/kernel/bitcoinkernel_wrapper.h
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@@ -596,6 +596,11 @@ public:
return TransactionInputView{btck_transaction_get_input_at(impl(), index)};
}
uint32_t GetLocktime() const
{
return btck_transaction_get_locktime(impl());
}
TxidView Txid() const
{
return TxidView{btck_transaction_get_txid(impl())};

1
src/test/kernel/test_kernel.cpp
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@@ -401,6 +401,7 @@ BOOST_AUTO_TEST_CASE(btck_transaction_tests)
BOOST_CHECK_EQUAL(tx.CountOutputs(), 2);
BOOST_CHECK_EQUAL(tx.CountInputs(), 1);
BOOST_CHECK_EQUAL(tx.GetLocktime(), 510826);
auto broken_tx_data{std::span<std::byte>{tx_data.begin(), tx_data.begin() + 10}};
BOOST_CHECK_THROW(Transaction{broken_tx_data}, std::runtime_error);
auto output{tx.GetOutput(tx.CountOutputs() - 1)};