consortium/v2: integrate with the finality tracking contract

This commit integrates with the finality tracking contract
(axieinfinity/ronin-dpos-contracts#279) to record the
finality reward for voters.

consensus/consortium/common/contract.go

@@ -15,6 +15,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/consensus"
+	finalityTracking "github.com/ethereum/go-ethereum/consensus/consortium/generated_contracts/finality_tracking"
 	"github.com/ethereum/go-ethereum/consensus/consortium/generated_contracts/profile"
 	roninValidatorSet "github.com/ethereum/go-ethereum/consensus/consortium/generated_contracts/ronin_validator_set"
 	slashIndicator "github.com/ethereum/go-ethereum/consensus/consortium/generated_contracts/slash_indicator"
@@ -69,6 +70,7 @@ type ContractIntegrator struct {
 	roninValidatorSetSC *roninValidatorSet.RoninValidatorSet
 	slashIndicatorSC    *slashIndicator.SlashIndicator
 	profileSC           *profile.Profile
+	finalityTrackingSC  *finalityTracking.FinalityTracking
 	signTxFn            SignerTxFn
 	coinbase            common.Address
 }
@@ -93,11 +95,18 @@ func NewContractIntegrator(config *chainParams.ChainConfig, backend bind.Contrac
 		return nil, err
 	}
 
+	// Create Finality Tracking contract instance
+	finalityTrackingSC, err := finalityTracking.NewFinalityTracking(config.ConsortiumV2Contracts.FinalityTracking, backend)
+	if err != nil {
+		return nil, err
+	}
+
 	return &ContractIntegrator{
 		chainId:             config.ChainID,
 		roninValidatorSetSC: roninValidatorSetSC,
 		slashIndicatorSC:    slashIndicatorSC,
 		profileSC:           profileSC,
+		finalityTrackingSC:  finalityTrackingSC,
 		signTxFn:            signTxFn,
 		signer:              types.LatestSignerForChainID(config.ChainID),
 		coinbase:            coinbase,
@@ -214,8 +223,7 @@ func (c *ContractIntegrator) Slash(opts *ApplyTransactOpts, spoiledValidator com
 
 func (c *ContractIntegrator) FinalityReward(opts *ApplyTransactOpts, votedValidators []common.Address) error {
 	nonce := opts.State.GetNonce(c.coinbase)
-	// FIXME: Change this
-	tx, err := c.slashIndicatorSC.SlashUnavailability(getTransactionOpts(c.coinbase, nonce, c.chainId, c.signTxFn), common.Address{})
+	tx, err := c.finalityTrackingSC.RecordFinality(getTransactionOpts(c.coinbase, nonce, c.chainId, c.signTxFn), votedValidators)
 	if err != nil {
 		return err
 	}

params/config.go

@@ -573,6 +573,7 @@ type ConsortiumV2Contracts struct {
 	RoninValidatorSet common.Address `json:"roninValidatorSet"`
 	SlashIndicator    common.Address `json:"slashIndicator"`
 	ProfileContract   common.Address `json:"profileContract"`
+	FinalityTracking  common.Address `json:"finalityTracking"`
 }
 
 func (c *ConsortiumV2Contracts) IsSystemContract(address common.Address) bool {
@@ -619,11 +620,16 @@ func (c *ChainConfig) String() string {
 		profileContract = c.ConsortiumV2Contracts.ProfileContract
 	}
 
+	finalityTrackingContract := common.HexToAddress("")
+	if c.ConsortiumV2Contracts != nil {
+		finalityTrackingContract = c.ConsortiumV2Contracts.FinalityTracking
+	}
+
 	chainConfigFmt := "{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v "
 	chainConfigFmt += "Petersburg: %v Istanbul: %v, Odysseus: %v, Fenix: %v, Muir Glacier: %v, Berlin: %v, London: %v, Arrow Glacier: %v, "
 	chainConfigFmt += "Engine: %v, Blacklist Contract: %v, Fenix Validator Contract: %v, ConsortiumV2: %v, ConsortiumV2.RoninValidatorSet: %v, "
 	chainConfigFmt += "ConsortiumV2.SlashIndicator: %v, ConsortiumV2.StakingContract: %v, Puffy: %v, Buba: %v, Olek: %v, Shillin: %v, "
-	chainConfigFmt += "ConsortiumV2.ProfileContract: %v}"
+	chainConfigFmt += "ConsortiumV2.ProfileContract: %v, ConsortiumV2.FinalityTracking: %v}"
 
 	return fmt.Sprintf(chainConfigFmt,
 		c.ChainID,
@@ -655,6 +661,7 @@ func (c *ChainConfig) String() string {
 		c.OlekBlock,
 		c.ShillinBlock,
 		profileContract.Hex(),
+		finalityTrackingContract.Hex(),
 	)
 }