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-rw-r--r--consensus/dexcon/dexcon.go52
-rw-r--r--consensus/dexcon/dexcon_test.go2
-rw-r--r--core/chain_makers.go1
-rw-r--r--core/state_transition.go66
-rw-r--r--eth/tracers/tracers_test.go1
5 files changed, 102 insertions, 20 deletions
diff --git a/consensus/dexcon/dexcon.go b/consensus/dexcon/dexcon.go
index 3e520438b..0b6fa192f 100644
--- a/consensus/dexcon/dexcon.go
+++ b/consensus/dexcon/dexcon.go
@@ -111,8 +111,21 @@ func (d *Dexcon) Prepare(chain consensus.ChainReader, header *types.Header) erro
return nil
}
-func (d *Dexcon) calculateBlockReward(round int64, state *state.StateDB) *big.Int {
- gs := d.govStateFetcer.GetStateForConfigAtRound(uint64(round))
+func (d *Dexcon) inExtendedRound(header *types.Header, state *state.StateDB) bool {
+ gs := vm.GovernanceState{state}
+ rgs := d.govStateFetcer.GetStateForConfigAtRound(header.Round)
+
+ roundEnd := gs.RoundHeight(new(big.Int).SetUint64(header.Round)).Uint64() + rgs.RoundLength().Uint64()
+
+ // Round 0 starts and height 0 instead of height 1.
+ if header.Round == 0 {
+ roundEnd += 1
+ }
+ return header.Number.Uint64() >= roundEnd
+}
+
+func (d *Dexcon) calculateBlockReward(round uint64) *big.Int {
+ gs := d.govStateFetcer.GetStateForConfigAtRound(round)
config := gs.Configuration()
blocksPerRound := config.RoundLength
@@ -177,24 +190,27 @@ func (d *Dexcon) Finalize(chain consensus.ChainReader, header *types.Header, sta
}
// 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)
- header.Reward = reward
- gs.IncTotalSupply(reward)
-
- // Record last proposed height.
- gs.PutLastProposedHeight(header.Coinbase, header.Number)
-
- // Check if halving checkpoint reached.
- config := gs.Configuration()
- if gs.TotalSupply().Cmp(config.NextHalvingSupply) >= 0 {
- gs.MiningHalved()
- }
+ reward := new(big.Int)
+
+ // If this is not an empty block and we are not in extended round, calculate
+ // the block reward.
+ if header.Coinbase != (common.Address{}) && !d.inExtendedRound(header, state) {
+ reward = d.calculateBlockReward(header.Round)
+ }
+
+ header.Reward = reward
+ state.AddBalance(header.Coinbase, reward)
+ gs.IncTotalSupply(reward)
+
+ // Check if halving checkpoint reached.
+ config := gs.Configuration()
+ if gs.TotalSupply().Cmp(config.NextHalvingSupply) >= 0 {
+ gs.MiningHalved()
}
+ // Record last proposed height.
+ gs.PutLastProposedHeight(header.Coinbase, header.Number)
+
header.Root = state.IntermediateRoot(true)
return types.NewBlock(header, txs, uncles, receipts), nil
}
diff --git a/consensus/dexcon/dexcon_test.go b/consensus/dexcon/dexcon_test.go
index 0181a80f3..bfded8db8 100644
--- a/consensus/dexcon/dexcon_test.go
+++ b/consensus/dexcon/dexcon_test.go
@@ -96,7 +96,7 @@ func (d *DexconTestSuite) TestBlockRewardCalculation() {
// blockReard = miningVelocity * totalStaked * roundInterval / aYear / numBlocksInCurRound
// 0.1875 * 1e18 * 3600 * 1000 / (86400 * 1000 * 365 * 3600) = 5945585996.96
- d.Require().Equal(big.NewInt(5945585996), consensus.calculateBlockReward(0, d.stateDB))
+ d.Require().Equal(big.NewInt(5945585996), consensus.calculateBlockReward(0))
}
func TestDexcon(t *testing.T) {
diff --git a/core/chain_makers.go b/core/chain_makers.go
index 27aff215c..f57eb37ff 100644
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -86,6 +86,7 @@ func (b *BlockGen) SetNonce(nonce types.BlockNonce) {
// added. Notably, contract code relying on the BLOCKHASH instruction
// will panic during execution.
func (b *BlockGen) AddTx(tx *types.Transaction) {
+ TestingMode = true
b.AddTxWithChain(nil, tx)
}
diff --git a/core/state_transition.go b/core/state_transition.go
index 02d58575b..f5ac9bde6 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -21,7 +21,9 @@ import (
"flag"
"math"
"math/big"
+ "sync/atomic"
+ dexCore "github.com/dexon-foundation/dexon-consensus/core"
"github.com/dexon-foundation/dexon/common"
"github.com/dexon-foundation/dexon/core/vm"
"github.com/dexon-foundation/dexon/log"
@@ -29,11 +31,19 @@ import (
)
var legacyEvm = flag.Bool("legacy-evm", false, "make evm run origin logic")
+var TestingMode = false
var (
errInsufficientBalanceForGas = errors.New("insufficient balance to pay for gas")
)
+var lastInExtendedRoundResultCache atomic.Value
+
+type lastInExtendedRoundResultType struct {
+ Height uint64
+ Result bool
+}
+
/*
The State Transitioning Model
@@ -180,6 +190,53 @@ func (st *StateTransition) preCheck() error {
return st.buyGas()
}
+func (st *StateTransition) inExtendedRound() bool {
+ // If we are running tests with chian_makers.go, there will be no valid
+ // blockchain instance for st.evm.StateAtNumber to work correctly. Simply
+ // return false in this case.
+ if TestingMode {
+ return false
+ }
+
+ if h := lastInExtendedRoundResultCache.Load(); h != nil {
+ res := h.(*lastInExtendedRoundResultType)
+ if res.Height == st.evm.BlockNumber.Uint64() {
+ return res.Result
+ }
+ }
+
+ gs := vm.GovernanceState{st.state}
+
+ round := st.evm.Round.Uint64()
+ if round < dexCore.ConfigRoundShift {
+ round = 0
+ } else {
+ round -= dexCore.ConfigRoundShift
+ }
+
+ configHeight := gs.RoundHeight(new(big.Int).SetUint64(round))
+ state, err := st.evm.StateAtNumber(configHeight.Uint64())
+ if err != nil {
+ panic(err)
+ }
+ rgs := vm.GovernanceState{state}
+
+ roundEnd := gs.RoundHeight(st.evm.Round).Uint64() + rgs.RoundLength().Uint64()
+
+ // Round 0 starts and height 0 instead of height 1.
+ if round == 0 {
+ roundEnd += 1
+ }
+
+ res := st.evm.BlockNumber.Uint64() >= roundEnd
+
+ lastInExtendedRoundResultCache.Store(&lastInExtendedRoundResultType{
+ Height: st.evm.BlockNumber.Uint64(),
+ Result: res,
+ })
+ return res
+}
+
// TransitionDb will transition the state by applying the current message and
// returning the result including the used gas. It returns an error if failed.
// An error indicates a consensus issue.
@@ -230,7 +287,14 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
} else {
st.dexonRefundGas()
}
- st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
+
+ receiver := st.evm.Coinbase
+ if !*legacyEvm && st.inExtendedRound() {
+ gs := vm.GovernanceState{st.state}
+ receiver = gs.Owner()
+ }
+
+ st.state.AddBalance(receiver, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
return ret, st.gasUsed(), vmerr != nil, err
}
diff --git a/eth/tracers/tracers_test.go b/eth/tracers/tracers_test.go
index 2d6b0023b..1436cc67f 100644
--- a/eth/tracers/tracers_test.go
+++ b/eth/tracers/tracers_test.go
@@ -180,6 +180,7 @@ func TestPrestateTracerCreate2(t *testing.T) {
t.Fatalf("failed to prepare transaction for tracing: %v", err)
}
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
+ core.TestingMode = true
if _, _, _, err = st.TransitionDb(); err != nil {
t.Fatalf("failed to execute transaction: %v", err)
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 00:11:09 +0800