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ubqhash/consensus: refactor CalcDifficulty and accumilateRewards

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This commit is contained in:
Luke Williams 2019-05-20 11:21:36 +02:00
parent ae9861e56a
commit fd3a68bd34
1 changed files with 7 additions and 6 deletions
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13
consensus/ubqhash/consensus.go
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@ -257,7 +257,7 @@ func (ubqhash *Ubqhash) verifyHeader(chain consensus.ChainReader, header, parent
return errZeroBlockTime
}
// Verify the block's difficulty based in it's timestamp and parent's difficulty
expected := CalcDifficulty(chain, header.Time, parent)
expected := ubqhash.CalcDifficulty(chain, header.Time, parent)
if expected.Cmp(header.Difficulty) != 0 {
return fmt.Errorf("invalid difficulty: have %v, want %v", header.Difficulty, expected)
@ -385,8 +385,10 @@ func maxActualTimespanFlux(dampen bool) *big.Int {
// CalcDifficulty is the difficulty adjustment algorithm. It returns the difficulty
// that a new block should have when created at time given the parent block's time
// and difficulty.
//
// TODO (karalabe): Move the chain maker into this package and make this private!
func (ubqhash *Ubqhash) CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
return CalcDifficulty(chain, time, parent)
}
func CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
parentTime := parent.Time
parentNumber := parent.Number
@ -664,7 +666,7 @@ func (ubqhash *Ubqhash) Prepare(chain consensus.ChainReader, header *types.Heade
// setting the final state and assembling the block.
func (ubqhash *Ubqhash) Finalize(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
// Accumulate any block and uncle rewards and commit the final state root
AccumulateRewards(state, header, uncles)
accumulateRewards(state, header, uncles)
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
// Header seems complete, assemble into a block and return
@ -704,8 +706,7 @@ func (ubqhash *Ubqhash) SealHash(header *types.Header) (hash common.Hash) {
// AccumulateRewards credits the coinbase of the given block with the mining
// reward. The total reward consists of the static block reward and rewards for
// included uncles. The coinbase of each uncle block is also rewarded.
// TODO (karalabe): Move the chain maker into this package and make this private!
func AccumulateRewards(state *state.StateDB, header *types.Header, uncles []*types.Header) {
func accumulateRewards(state *state.StateDB, header *types.Header, uncles []*types.Header) {
reward := new(big.Int).Set(blockReward)
if header.Number.Cmp(big.NewInt(358363)) > 0 {