Differential D4040 Diff 11206 src/validation.cpp

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src/validation.cpp

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* Return true if the provided block header is valid.		* Return true if the provided block header is valid.
* Only verify PoW if blockValidationOptions is configured to do so.		* Only verify PoW if blockValidationOptions is configured to do so.
* This allows validation of headers on which the PoW hasn't been done.		* This allows validation of headers on which the PoW hasn't been done.
* For example: to validate template handed to mining software.		* For example: to validate template handed to mining software.
* Do not call this for any check that depends on the context.		* Do not call this for any check that depends on the context.
* For context-dependent calls, see ContextualCheckBlockHeader.		* For context-dependent calls, see ContextualCheckBlockHeader.
*/		*/
static bool CheckBlockHeader(		static bool CheckBlockHeader(
const Config &config, const CBlockHeader &block, CValidationState &state,		const Consensus::Params &params, const CBlockHeader &block,
		CValidationState &state,
		jasonbcoxUnsubmitted Not Done Inline Actions To match Core, params should be moved after state. jasonbcox: To match Core, params should be moved after state.
		jasonbcoxUnsubmitted Not Done Inline Actions Also use their naming `consensusParams` instead of `params`. jasonbcox: Also use their naming `consensusParams` instead of `params`.
BlockValidationOptions validationOptions = BlockValidationOptions()) {		BlockValidationOptions validationOptions = BlockValidationOptions()) {
// Check proof of work matches claimed amount		// Check proof of work matches claimed amount
if (validationOptions.shouldValidatePoW() &&		if (validationOptions.shouldValidatePoW() &&
!CheckProofOfWork(block.GetHash(), block.nBits,		!CheckProofOfWork(block.GetHash(), block.nBits, params)) {
config.GetChainParams().GetConsensus())) {
return state.DoS(50, false, REJECT_INVALID, "high-hash", false,		return state.DoS(50, false, REJECT_INVALID, "high-hash", false,
"proof of work failed");		"proof of work failed");
}		}

return true;		return true;
}		}

bool CheckBlock(const Config &config, const CBlock &block,		bool CheckBlock(const Config &config, const CBlock &block,
CValidationState &state,		CValidationState &state,
BlockValidationOptions validationOptions) {		BlockValidationOptions validationOptions) {
// These are checks that are independent of context.		// These are checks that are independent of context.
if (block.fChecked) {		if (block.fChecked) {
return true;		return true;
}		}

// Check that the header is valid (particularly PoW). This is mostly		// Check that the header is valid (particularly PoW). This is mostly
// redundant with the call in AcceptBlockHeader.		// redundant with the call in AcceptBlockHeader.
if (!CheckBlockHeader(config, block, state, validationOptions)) {		if (!CheckBlockHeader(config.GetChainParams().GetConsensus(), block, state,
		validationOptions)) {
return false;		return false;
}		}

// Check the merkle root.		// Check the merkle root.
if (validationOptions.shouldValidateMerkleRoot()) {		if (validationOptions.shouldValidateMerkleRoot()) {
bool mutated;		bool mutated;
uint256 hashMerkleRoot2 = BlockMerkleRoot(block, &mutated);		uint256 hashMerkleRoot2 = BlockMerkleRoot(block, &mutated);
if (block.hashMerkleRoot != hashMerkleRoot2) {		if (block.hashMerkleRoot != hashMerkleRoot2) {
▲ Show 20 Lines • Show All 312 Lines • ▼ Show 20 Lines	if (hash != chainparams.GetConsensus().hashGenesisBlock) {
return state.Invalid(error("%s: block %s is marked invalid",		return state.Invalid(error("%s: block %s is marked invalid",
__func__, hash.ToString()),		__func__, hash.ToString()),
0, "duplicate");		0, "duplicate");
}		}

return true;		return true;
}		}

if (!CheckBlockHeader(config, block, state)) {		if (!CheckBlockHeader(chainparams.GetConsensus(), block, state)) {
return error("%s: Consensus::CheckBlockHeader: %s, %s", __func__,		return error("%s: Consensus::CheckBlockHeader: %s, %s", __func__,
hash.ToString(), FormatStateMessage(state));		hash.ToString(), FormatStateMessage(state));
}		}

// Get prev block index		// Get prev block index
BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock);		BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock);
if (mi == mapBlockIndex.end()) {		if (mi == mapBlockIndex.end()) {
return state.DoS(10, error("%s: prev block not found", __func__), 0,		return state.DoS(10, error("%s: prev block not found", __func__), 0,
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