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core: store all accumulated SystemFee with every block

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This commit is contained in:
Evgenii Stratonikov 2020-02-27 16:42:17 +03:00
parent f69c8a763b
commit 258d8be1dd
1 changed files with 12 additions and 1 deletions
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13
pkg/core/blockchain.go
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@ -427,13 +427,24 @@ func (bc *Blockchain) processHeader(h *block.Header, batch storage.Batch, header
return nil
}
// bc.GetHeaderHash(int(endHeight)) returns sum of all system fees for blocks up to h.
// and 0 if no such block exists.
func (bc *Blockchain) getSystemFeeAmount(h util.Uint256) uint32 {
_, sf, _ := bc.dao.GetBlock(h)
return sf
}
// TODO: storeBlock needs some more love, its implemented as in the original
// project. This for the sake of development speed and understanding of what
// is happening here, quite allot as you can see :). If things are wired together
// and all tests are in place, we can make a more optimized and cleaner implementation.
func (bc *Blockchain) storeBlock(block *block.Block) error {
cache := newCachedDao(bc.dao.store)
if err := cache.StoreAsBlock(block, 0); err != nil {
fee := bc.getSystemFeeAmount(block.PrevHash)
for _, tx := range block.Transactions {
fee += uint32(bc.SystemFee(tx).Int64Value())
}
if err := cache.StoreAsBlock(block, fee); err != nil {
return err
}