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Make genesis coinbase outputs spendable

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Matt Corallo 2016-01-26 15:46:00 -08:00 • committed by Gregory Sanders
parent 183e00bdfd
commit f381a70619
1 changed files with 21 additions and 4 deletions
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25
src/main.cpp
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@ -2184,7 +2184,9 @@ static bool ApplyTxInUndo(const CTxInUndo& undo, CCoinsViewCache& view, const CO
bool fClean = true;
CCoinsModifier coins = view.ModifyCoins(out.hash);
if (undo.nHeight != 0) {
if (undo.nHeight != 0 ||
// Special-case genesis since nHeight is always 0, assume DB is clean
(Params().GenesisBlock().vtx[0].GetHash() == out.hash && coins->IsPruned())) {
// undo data contains height: this is the last output of the prevout tx being spent
if (!coins->IsPruned())
fClean = fClean && error("%s: undo data overwriting existing transaction", __func__);
@ -2386,11 +2388,26 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
uint256 hashPrevBlock = pindex->pprev == NULL ? uint256() : pindex->pprev->GetBlockHash();
assert(hashPrevBlock == view.GetBestBlock());
// Special case for the genesis block, skipping connection of its transactions
// (its coinbase is unspendable)
// Gesesis coinbase *is* spendable
if (block.GetHash() == chainparams.GetConsensus().hashGenesisBlock) {
if (!fJustCheck)
if (!fJustCheck) {
assert(block.vtx.size() == 1);
std::vector<std::pair<uint256, CDiskTxPos> > vPos;
const CTransaction& tx = block.vtx[0];
CTxUndo undoDummy;
UpdateCoins(tx, view, undoDummy, pindex->nHeight);
CDiskTxPos pos(pindex->GetBlockPos(), GetSizeOfCompactSize(block.vtx.size()));
vPos.push_back(std::make_pair(tx.GetHash(), pos));
if (fTxIndex)
if (!pblocktree->WriteTxIndex(vPos))
return AbortNode(state, "Failed to write transaction index");
view.SetBestBlock(pindex->GetBlockHash());
}
return true;
}