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Merge #10146: Better error handling for submitblock

30f30c0 Add braces to submitblock per current style. (Gregory Maxwell)
4f15ea1 Check transaction count early in submitblock. (Gregory Maxwell)
ada0caa Make GetWitnessCommitmentIndex callable on blocks without a coinbase txn. (Gregory Maxwell)

Tree-SHA512: 02dcd337ad9cdd8e4fa6a42c009d016026d1229c193676ed6fcc9ce55e924fedec57f516ac1e95c3db0985243ba908307338ce783a70416cb292bed881002bfc
tags/v0.15.1
Wladimir J. van der Laan 4 years ago
parent
commit
72bc7e1303
No account linked to committer's email address
2 changed files with 22 additions and 11 deletions
  1. 17
    8
      src/rpc/mining.cpp
  2. 5
    3
      src/validation.cpp

+ 17
- 8
src/rpc/mining.cpp View File

@@ -720,7 +720,7 @@ protected:

UniValue submitblock(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
throw std::runtime_error(
"submitblock \"hexdata\" ( \"jsonparametersobject\" )\n"
"\nAttempts to submit new block to network.\n"
@@ -738,11 +738,17 @@ UniValue submitblock(const JSONRPCRequest& request)
+ HelpExampleCli("submitblock", "\"mydata\"")
+ HelpExampleRpc("submitblock", "\"mydata\"")
);
}

std::shared_ptr<CBlock> blockptr = std::make_shared<CBlock>();
CBlock& block = *blockptr;
if (!DecodeHexBlk(block, request.params[0].get_str()))
if (!DecodeHexBlk(block, request.params[0].get_str())) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
}

if (block.vtx.empty() || !block.vtx[0]->IsCoinBase()) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block does not start with a coinbase");
}

uint256 hash = block.GetHash();
bool fBlockPresent = false;
@@ -751,10 +757,12 @@ UniValue submitblock(const JSONRPCRequest& request)
BlockMap::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end()) {
CBlockIndex *pindex = mi->second;
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
if (pindex->IsValid(BLOCK_VALID_SCRIPTS)) {
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
}
if (pindex->nStatus & BLOCK_FAILED_MASK) {
return "duplicate-invalid";
}
// Otherwise, we might only have the header - process the block before returning
fBlockPresent = true;
}
@@ -772,14 +780,15 @@ UniValue submitblock(const JSONRPCRequest& request)
RegisterValidationInterface(&sc);
bool fAccepted = ProcessNewBlock(Params(), blockptr, true, NULL);
UnregisterValidationInterface(&sc);
if (fBlockPresent)
{
if (fAccepted && !sc.found)
if (fBlockPresent) {
if (fAccepted && !sc.found) {
return "duplicate-inconclusive";
}
return "duplicate";
}
if (!sc.found)
if (!sc.found) {
return "inconclusive";
}
return BIP22ValidationResult(sc.state);
}


+ 5
- 3
src/validation.cpp View File

@@ -2901,9 +2901,11 @@ bool IsWitnessEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& pa
static int GetWitnessCommitmentIndex(const CBlock& block)
{
int commitpos = -1;
for (size_t o = 0; o < block.vtx[0]->vout.size(); o++) {
if (block.vtx[0]->vout[o].scriptPubKey.size() >= 38 && block.vtx[0]->vout[o].scriptPubKey[0] == OP_RETURN && block.vtx[0]->vout[o].scriptPubKey[1] == 0x24 && block.vtx[0]->vout[o].scriptPubKey[2] == 0xaa && block.vtx[0]->vout[o].scriptPubKey[3] == 0x21 && block.vtx[0]->vout[o].scriptPubKey[4] == 0xa9 && block.vtx[0]->vout[o].scriptPubKey[5] == 0xed) {
commitpos = o;
if (!block.vtx.empty()) {
for (size_t o = 0; o < block.vtx[0]->vout.size(); o++) {
if (block.vtx[0]->vout[o].scriptPubKey.size() >= 38 && block.vtx[0]->vout[o].scriptPubKey[0] == OP_RETURN && block.vtx[0]->vout[o].scriptPubKey[1] == 0x24 && block.vtx[0]->vout[o].scriptPubKey[2] == 0xaa && block.vtx[0]->vout[o].scriptPubKey[3] == 0x21 && block.vtx[0]->vout[o].scriptPubKey[4] == 0xa9 && block.vtx[0]->vout[o].scriptPubKey[5] == 0xed) {
commitpos = o;
}
}
}
return commitpos;

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