From 6c3d02b7c43ee470938fb929f60336d151cf25ca Mon Sep 17 00:00:00 2001 From: Wei-Ning Huang Date: Thu, 24 Jan 2019 15:05:24 +0800 Subject: consensus: dexcon: snapshot round height when finalizing block (#170) Instead of having BP to send a tx to register the round height, just modify the state when finalizing block. --- consensus/dexcon/dexcon.go | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'consensus/dexcon/dexcon.go') diff --git a/consensus/dexcon/dexcon.go b/consensus/dexcon/dexcon.go index 33f05f599..2e406f0b0 100644 --- a/consensus/dexcon/dexcon.go +++ b/consensus/dexcon/dexcon.go @@ -143,13 +143,20 @@ func (d *Dexcon) calculateBlockReward(round int64, state *state.StateDB) *big.In // Finalize implements consensus.Engine, ensuring no uncles are set, nor block // rewards given, and returns the final block. func (d *Dexcon) Finalize(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) { + gs := vm.GovernanceStateHelper{state} + + height := gs.RoundHeight(new(big.Int).SetUint64(header.Round)) + if header.Round > 0 && height.Uint64() == 0 { + gs.PushRoundHeight(header.Number) + } + + // Distribute block reward and halving condition. if header.Coinbase == (common.Address{}) { header.Reward = new(big.Int) } else { reward := d.calculateBlockReward(int64(header.Round), state) state.AddBalance(header.Coinbase, reward) - gs := vm.GovernanceStateHelper{state} gs.IncTotalSupply(reward) config := gs.Configuration() -- cgit v1.2.3