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[refactor] return MempoolAcceptResult

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This creates a cleaner interface with ATMP, allows us to make results const,
and makes accessing values that don't make sense (e.g. fee when tx is
invalid) an error.
This commit is contained in:
gzhao408 2021-01-19 05:29:40 -08:00
parent 9db10a5506
commit f82baf0762
9 changed files with 106 additions and 92 deletions
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18
src/node/transaction.cpp
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@ -50,22 +50,22 @@ TransactionError BroadcastTransaction(NodeContext& node, const CTransactionRef t
}
if (!node.mempool->exists(hashTx)) {
// Transaction is not already in the mempool.
TxValidationState state;
if (max_tx_fee > 0) {
// First, call ATMP with test_accept and check the fee. If ATMP
// fails here, return error immediately.
CAmount fee{0};
if (!AcceptToMemoryPool(*node.mempool, state, tx,
nullptr /* plTxnReplaced */, false /* bypass_limits */, /* test_accept */ true, &fee)) {
return HandleATMPError(state, err_string);
} else if (fee > max_tx_fee) {
const MempoolAcceptResult result = AcceptToMemoryPool(*node.mempool, tx, false /* bypass_limits */,
true /* test_accept */);
if (result.m_result_type != MempoolAcceptResult::ResultType::VALID) {
return HandleATMPError(result.m_state, err_string);
} else if (result.m_base_fees.value() > max_tx_fee) {
return TransactionError::MAX_FEE_EXCEEDED;
}
}
// Try to submit the transaction to the mempool.
if (!AcceptToMemoryPool(*node.mempool, state, tx,
nullptr /* plTxnReplaced */, false /* bypass_limits */)) {
return HandleATMPError(state, err_string);
const MempoolAcceptResult result = AcceptToMemoryPool(*node.mempool, tx, false /* bypass_limits */,
false /* test_accept */);
if (result.m_result_type != MempoolAcceptResult::ResultType::VALID) {
return HandleATMPError(result.m_state, err_string);
}
// Transaction was accepted to the mempool.