Remove bls address util and sha256 hash

accounts/abi/bind/backend.go

@@ -21,7 +21,7 @@ import (
 	"errors"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/harmony-one/harmony/core/types"
 )

accounts/abi/bind/backends/simulated.go

@@ -24,7 +24,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"

accounts/abi/bind/base.go

@@ -22,7 +22,7 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/event"

accounts/abi/bind/base_test.go

@@ -23,7 +23,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/crypto"

core/blockchain.go

@@ -211,7 +211,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
 }
 
 // ValidateNewBlock validates new block.
-func (bc *BlockChain) ValidateNewBlock(block *types.Block, address common.Address) error {
+func (bc *BlockChain) ValidateNewBlock(block *types.Block) error {
 	state, err := state.New(bc.CurrentBlock().Root(), bc.stateCache)
 
 	if err != nil {

crypto/hash/hash.go

@@ -0,0 +1,26 @@
+package hash
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"golang.org/x/crypto/sha3"
+)
+
+// Keccak256 calculates and returns the Keccak256 hash of the input data.
+func Keccak256(data ...[]byte) []byte {
+	d := sha3.NewLegacyKeccak256()
+	for _, b := range data {
+		d.Write(b)
+	}
+	return d.Sum(nil)
+}
+
+// Keccak256Hash calculates and returns the Keccak256 hash of the input data,
+// converting it to an internal Hash data structure.
+func Keccak256Hash(data ...[]byte) (h common.Hash) {
+	d := sha3.NewLegacyKeccak256()
+	for _, b := range data {
+		d.Write(b)
+	}
+	d.Sum(h[:0])
+	return h
+}

crypto/pki/utils.go

@@ -1,7 +1,6 @@
 package pki
 
 import (
-	"crypto/sha256"
 	"encoding/binary"
 
 	"github.com/harmony-one/bls/ffi/go/bls"
@@ -11,35 +10,6 @@ func init() {
 	bls.Init(bls.BLS12_381)
 }
 
-// GetAddressFromPublicKey returns address given a public key.
-func GetAddressFromPublicKey(pubKey *bls.PublicKey) [20]byte {
-	bytes := pubKey.Serialize()
-	address := [20]byte{}
-	hash := sha256.Sum256(bytes)
-	copy(address[:], hash[12:])
-	return address
-}
-
-// GetAddressFromPrivateKey returns address given a private key.
-func GetAddressFromPrivateKey(priKey *bls.SecretKey) [20]byte {
-	return GetAddressFromPublicKey(priKey.GetPublicKey())
-}
-
-// GetAddressFromPrivateKeyBytes returns address from private key in bytes.
-func GetAddressFromPrivateKeyBytes(priKey [32]byte) [20]byte {
-	var privateKey bls.SecretKey
-	privateKey.SetLittleEndian(priKey[:])
-
-	return GetAddressFromPublicKey(privateKey.GetPublicKey())
-}
-
-// GetAddressFromInt is the temporary helper function for benchmark use
-func GetAddressFromInt(value int) [20]byte {
-	priKey := [32]byte{}
-	binary.LittleEndian.PutUint32(priKey[:], uint32(value))
-	return GetAddressFromPrivateKeyBytes(priKey)
-}
-
 // GetBLSPrivateKeyFromInt returns bls private key
 func GetBLSPrivateKeyFromInt(value int) *bls.SecretKey {
 	priKey := [32]byte{}

crypto/pki/utils_test.go

@@ -2,52 +2,12 @@ package pki
 
 import (
 	"encoding/binary"
-	"reflect"
 	"testing"
 	"time"
 
 	"github.com/harmony-one/bls/ffi/go/bls"
 )
 
-func TestGetAddressFromPublicKey(test *testing.T) {
-	t := time.Now().UnixNano()
-	priKey := [32]byte{}
-	binary.LittleEndian.PutUint32(priKey[:], uint32(t))
-	var privateKey bls.SecretKey
-	privateKey.SetLittleEndian(priKey[:])
-	addr1 := GetAddressFromPublicKey(privateKey.GetPublicKey())
-	addr2 := GetAddressFromPrivateKey(&privateKey)
-	if !reflect.DeepEqual(addr1, addr2) {
-		test.Error("two public address should be equal")
-	}
-}
-
-func TestGetAddressFromPrivateKeyBytes(test *testing.T) {
-	t := time.Now().UnixNano()
-	priKey := [32]byte{}
-	binary.LittleEndian.PutUint32(priKey[:], uint32(t))
-	address1 := GetAddressFromPrivateKeyBytes(priKey)
-	var privateKey bls.SecretKey
-	privateKey.SetLittleEndian(priKey[:])
-	address2 := GetAddressFromPublicKey(privateKey.GetPublicKey())
-	if !reflect.DeepEqual(address1, address2) {
-		test.Error("two public address should be equal")
-	}
-}
-
-func TestGetAddressFromInt(test *testing.T) {
-	t := time.Now().UnixNano()
-	address1 := GetAddressFromInt(int(t))
-	priKey := [32]byte{}
-	binary.LittleEndian.PutUint32(priKey[:], uint32(t))
-	var privateKey bls.SecretKey
-	privateKey.SetLittleEndian(priKey[:])
-	address2 := GetAddressFromPublicKey(privateKey.GetPublicKey())
-	if !reflect.DeepEqual(address1, address2) {
-		test.Error("two public address should be equal")
-	}
-}
-
 func TestGetBLSPrivateKeyFromInt(test *testing.T) {
 	t := time.Now().UnixNano()
 	privateKey1 := GetBLSPrivateKeyFromInt(int(t))
@@ -55,9 +15,7 @@ func TestGetBLSPrivateKeyFromInt(test *testing.T) {
 	binary.LittleEndian.PutUint32(priKey[:], uint32(t))
 	var privateKey2 bls.SecretKey
 	privateKey2.SetLittleEndian(priKey[:])
-	address1 := GetAddressFromPrivateKey(privateKey1)
-	address2 := GetAddressFromPrivateKey(&privateKey2)
-	if !reflect.DeepEqual(address1, address2) {
+	if !privateKey1.IsEqual(&privateKey2) {
 		test.Error("two public address should be equal")
 	}
 }

crypto/sha256.go

@@ -1,8 +0,0 @@
-package crypto
-
-import "crypto/sha256"
-
-// HashSha256 returns result of Sha256.
-func HashSha256(message string) [32]byte {
-	return sha256.Sum256([]byte(message))
-}

node/node.go

@@ -25,7 +25,6 @@ import (
 	"github.com/harmony-one/harmony/contracts/structs"
 	"github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/core/types"
-	"github.com/harmony-one/harmony/crypto/pki"
 	"github.com/harmony-one/harmony/drand"
 	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 	"github.com/harmony-one/harmony/internal/ctxerror"
@@ -312,7 +311,7 @@ func New(host p2p.Host, consensusObj *consensus.Consensus, chainDBFactory shardc
 		node.ConfirmedBlockChannel = make(chan *types.Block)
 		node.BeaconBlockChannel = make(chan *types.Block)
 		node.TxPool = core.NewTxPool(core.DefaultTxPoolConfig, params.TestChainConfig, chain)
-		node.Worker = worker.New(params.TestChainConfig, chain, node.Consensus, pki.GetAddressFromPublicKey(node.SelfPeer.ConsensusPubKey), node.Consensus.ShardID)
+		node.Worker = worker.New(params.TestChainConfig, chain, node.Consensus, node.Consensus.SelfAddress, node.Consensus.ShardID)
 
 		node.Consensus.VerifiedNewBlock = make(chan *types.Block)
 		// the sequence number is the next block number to be added in consensus protocol, which is always one more than current chain header block

node/node_handler.go

@@ -29,7 +29,6 @@ import (
 	"github.com/harmony-one/harmony/contracts/structs"
 	"github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/core/types"
-	"github.com/harmony-one/harmony/crypto/pki"
 	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 	"github.com/harmony-one/harmony/internal/ctxerror"
 	"github.com/harmony-one/harmony/internal/utils"
@@ -254,7 +253,7 @@ func (node *Node) BroadcastNewBlock(newBlock *types.Block) {
 func (node *Node) VerifyNewBlock(newBlock *types.Block) error {
 	// TODO ek – where do we verify parent-child invariants,
 	//  e.g. "child.Number == child.IsGenesis() ? 0 : parent.Number+1"?
-	err := node.Blockchain().ValidateNewBlock(newBlock, pki.GetAddressFromPublicKey(node.SelfPeer.ConsensusPubKey))
+	err := node.Blockchain().ValidateNewBlock(newBlock)
 	if err != nil {
 		return ctxerror.New("cannot ValidateNewBlock",
 			"blockHash", newBlock.Hash(),

test/chain/main.go

@@ -6,10 +6,11 @@ import (
 	"log"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 
-	//"github.com/ethereum/go-ethereum/crypto/sha3"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/harmony-one/harmony/crypto/hash"
+
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/harmony-one/harmony/consensus"
@@ -18,7 +19,6 @@ import (
 	"github.com/harmony-one/harmony/core/types"
 	"github.com/harmony-one/harmony/core/vm"
 	pkgworker "github.com/harmony-one/harmony/node/worker"
-	"golang.org/x/crypto/sha3"
 )
 
 const (
@@ -154,10 +154,9 @@ func callFaucetContractToFundAnAddress(chain *core.BlockChain) {
 
 	paddedAddress := common.LeftPadBytes(allRandomUserAddress[0].Bytes(), 32)
 	transferFnSignature := []byte("request(address)")
-	//hash := sha3.NewKeccak256()
-	hash := sha3.NewLegacyKeccak256()
-	hash.Write(transferFnSignature)
-	callFuncHex := hash.Sum(nil)[:4]
+
+	fnHash := hash.Keccak256(transferFnSignature)
+	callFuncHex := fnHash[:4]
 
 	var callEnc []byte
 	callEnc = append(callEnc, callFuncHex...)
@@ -225,10 +224,9 @@ func playSetupStakingContract(chain *core.BlockChain) {
 
 func playStaking(chain *core.BlockChain) {
 	depositFnSignature := []byte("deposit()")
-	//hash = sha3.NewKeccak256()
-	hash := sha3.NewLegacyKeccak256()
-	hash.Write(depositFnSignature)
-	methodID := hash.Sum(nil)[:4]
+
+	fnHash := hash.Keccak256(depositFnSignature)
+	methodID := fnHash[:4]
 
 	var callEncl []byte
 	callEncl = append(callEncl, methodID...)
@@ -276,10 +274,9 @@ func playWithdrawStaking(chain *core.BlockChain) {
 	fmt.Println("--------- Now Setting up Withdrawing Stakes ---------")
 
 	withdrawFnSignature := []byte("withdraw(uint256)")
-	//hash = sha3.NewKeccak256()
-	hash := sha3.NewLegacyKeccak256()
-	hash.Write(withdrawFnSignature)
-	methodID := hash.Sum(nil)[:4]
+
+	fnHash := hash.Keccak256(withdrawFnSignature)
+	methodID := fnHash[:4]
 
 	withdraw := "5000"
 	withdrawstake := new(big.Int)