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Merge #15728: [wallet] Refactor relay transactions

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7a9046e48 [wallet] Refactor CWalletTx::RelayWalletTransaction() (John Newbery)

Pull request description:

  Refactor `CWalletTx::RelayWalletTransaction()` function.

  This was a suggestion from the wallet-node separation PR: https://github.com/bitcoin/bitcoin/pull/15288#discussion_r256036330, which we deferred until after the main PR was merged.

  There are also makes two minor behavior changes:

  - no longer assert if fBroadcastTransactions is false. Just return false from the function.
  - no longer print the relay message if p2pEnabled is set to false (since the transaction is not actually relayed).

ACKs for commit 7a9046:
  promag:
    utACK 7a9046e48d.
  MeshCollider:
    utACK 7a9046e48d
  ryanofsky:
    utACK 7a9046e48d. No changes at all, just rebase after base PR #15632 was merged

Tree-SHA512: 2ae6214cfadd917a1b3a892c4277e5e57c3eb791e17f67511470e6fbc634d19356554b9f9c55af6b779fdef821914aad59b7cc9e6c13ece145df003bf507d486
This commit is contained in:
MeshCollider 2019-04-11 21:24:54 +12:00
commit f6120d40d5
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GPG key ID: D300116E1C875A3D
2 changed files with 20 additions and 15 deletions
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27
src/wallet/wallet.cpp
View file

@ -1900,21 +1900,26 @@ void CWallet::ReacceptWalletTransactions(interfaces::Chain::Lock& locked_chain)
bool CWalletTx::RelayWalletTransaction(interfaces::Chain::Lock& locked_chain)
{
assert(pwallet->GetBroadcastTransactions());
if (!IsCoinBase() && !isAbandoned() && GetDepthInMainChain(locked_chain) == 0)
{
CValidationState state;
/* GetDepthInMainChain already catches known conflicts. */
if (InMempool() || AcceptToMemoryPool(locked_chain, state)) {
// Can't relay if wallet is not broadcasting
if (!pwallet->GetBroadcastTransactions()) return false;
// Don't relay coinbase transactions outside blocks
if (IsCoinBase()) return false;
// Don't relay abandoned transactions
if (isAbandoned()) return false;
// Don't relay conflicted or already confirmed transactions
if (GetDepthInMainChain(locked_chain) != 0) return false;
// Don't relay transactions that aren't accepted to the mempool
CValidationState unused_state;
if (!InMempool() && !AcceptToMemoryPool(locked_chain, unused_state)) return false;
// Don't try to relay if the node is not connected to the p2p network
if (!pwallet->chain().p2pEnabled()) return false;
// Try to relay the transaction
pwallet->WalletLogPrintf("Relaying wtx %s\n", GetHash().ToString());
if (pwallet->chain().p2pEnabled()) {
pwallet->chain().relayTransaction(GetHash());
return true;
}
}
}
return false;
}
std::set<uint256> CWalletTx::GetConflicts() const
{

2
src/wallet/wallet.h
View file

@ -515,7 +515,7 @@ public:
int64_t GetTxTime() const;
// RelayWalletTransaction may only be called if fBroadcastTransactions!
// Pass this transaction to the node to relay to its peers
bool RelayWalletTransaction(interfaces::Chain::Lock& locked_chain);
/** Pass this transaction to the mempool. Fails if absolute fee exceeds absurd fee. */