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-rw-r--r--src/cryptonote_basic/verification_context.h1
-rw-r--r--src/cryptonote_config.h1
-rw-r--r--src/cryptonote_core/blockchain.cpp13
-rw-r--r--src/rpc/core_rpc_server.cpp2
-rw-r--r--src/rpc/core_rpc_server_commands_defs.h2
-rw-r--r--src/rpc/daemon_handler.cpp5
-rw-r--r--src/wallet/wallet2.cpp2
-rwxr-xr-xtests/functional_tests/transfer.py1
8 files changed, 27 insertions, 0 deletions
diff --git a/src/cryptonote_basic/verification_context.h b/src/cryptonote_basic/verification_context.h
index 36b63f254..3d7200fae 100644
--- a/src/cryptonote_basic/verification_context.h
+++ b/src/cryptonote_basic/verification_context.h
@@ -48,6 +48,7 @@ namespace cryptonote
bool m_overspend;
bool m_fee_too_low;
bool m_not_rct;
+ bool m_too_few_outputs;
};
struct block_verification_context
diff --git a/src/cryptonote_config.h b/src/cryptonote_config.h
index 56b6a63b7..fc718c4f7 100644
--- a/src/cryptonote_config.h
+++ b/src/cryptonote_config.h
@@ -147,6 +147,7 @@
#define HF_VERSION_PER_BYTE_FEE 8
#define HF_VERSION_SMALLER_BP 10
#define HF_VERSION_LONG_TERM_BLOCK_WEIGHT 10
+#define HF_VERSION_MIN_2_OUTPUTS 12
#define PER_KB_FEE_QUANTIZATION_DECIMALS 8
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index f733efb2f..e2cf9a703 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -2800,6 +2800,19 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
const uint8_t hf_version = m_hardfork->get_current_version();
+ if (hf_version >= HF_VERSION_MIN_2_OUTPUTS)
+ {
+ if (tx.version >= 2)
+ {
+ if (tx.vout.size() < 2)
+ {
+ MERROR_VER("Tx " << get_transaction_hash(tx) << " has fewer than two outputs");
+ tvc.m_too_few_outputs = true;
+ return false;
+ }
+ }
+ }
+
// from hard fork 2, we require mixin at least 2 unless one output cannot mix with 2 others
// if one output cannot mix with 2 others, we accept at most 1 output that can mix
if (hf_version >= 2)
diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index c41fb37d8..b6e121c08 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -875,6 +875,8 @@ namespace cryptonote
add_reason(reason, "fee too low");
if ((res.not_rct = tvc.m_not_rct))
add_reason(reason, "tx is not ringct");
+ if ((res.too_few_outputs = tvc.m_too_few_outputs))
+ add_reason(reason, "too few outputs");
const std::string punctuation = reason.empty() ? "" : ": ";
if (tvc.m_verifivation_failed)
{
diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h
index cfe4bbf23..6252269b9 100644
--- a/src/rpc/core_rpc_server_commands_defs.h
+++ b/src/rpc/core_rpc_server_commands_defs.h
@@ -609,6 +609,7 @@ namespace cryptonote
bool overspend;
bool fee_too_low;
bool not_rct;
+ bool too_few_outputs;
bool sanity_check_failed;
bool untrusted;
@@ -624,6 +625,7 @@ namespace cryptonote
KV_SERIALIZE(overspend)
KV_SERIALIZE(fee_too_low)
KV_SERIALIZE(not_rct)
+ KV_SERIALIZE(too_few_outputs)
KV_SERIALIZE(sanity_check_failed)
KV_SERIALIZE(untrusted)
END_KV_SERIALIZE_MAP()
diff --git a/src/rpc/daemon_handler.cpp b/src/rpc/daemon_handler.cpp
index 7c8953930..78a62d0b3 100644
--- a/src/rpc/daemon_handler.cpp
+++ b/src/rpc/daemon_handler.cpp
@@ -343,6 +343,11 @@ namespace rpc
if (!res.error_details.empty()) res.error_details += " and ";
res.error_details = "tx is not ringct";
}
+ if (tvc.m_too_few_outputs)
+ {
+ if (!res.error_details.empty()) res.error_details += " and ";
+ res.error_details = "too few outputs";
+ }
if (res.error_details.empty())
{
res.error_details = "an unknown issue was found with the transaction";
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 831166d5f..c2f75083a 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -213,6 +213,8 @@ namespace
add_reason(reason, "invalid input");
if (res.invalid_output)
add_reason(reason, "invalid output");
+ if (res.too_few_outputs)
+ add_reason(reason, "too few outputs");
if (res.too_big)
add_reason(reason, "too big");
if (res.overspend)
diff --git a/tests/functional_tests/transfer.py b/tests/functional_tests/transfer.py
index bc2f5472b..6fa1c6552 100755
--- a/tests/functional_tests/transfer.py
+++ b/tests/functional_tests/transfer.py
@@ -564,6 +564,7 @@ class TransferTest():
assert res.overspend == False
assert res.fee_too_low == False
assert res.not_rct == False
+ assert res.too_few_outputs == False
res = daemon.get_transactions([txes[0][0]])
assert len(res.txs) >= 1