From 33d233d3e18359123993d3f54987441290faf212 Mon Sep 17 00:00:00 2001
From: Dave McGregor <dave.s.mcgregor@gmail.com>
Date: Thu, 3 Jan 2019 16:15:26 -0600
Subject: vendor, crypto, swarm: switch over to upstream sha3 package

---
 core/rawdb/accessors_chain_test.go | 8 ++++----
 core/types/block.go                | 4 ++--
 core/vm/instructions.go            | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

(limited to 'core')

diff --git a/core/rawdb/accessors_chain_test.go b/core/rawdb/accessors_chain_test.go
index 9ddae6e2b..fcc36dc2b 100644
--- a/core/rawdb/accessors_chain_test.go
+++ b/core/rawdb/accessors_chain_test.go
@@ -23,9 +23,9 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/crypto/sha3"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/rlp"
+	"golang.org/x/crypto/sha3"
 )
 
 // Tests block header storage and retrieval operations.
@@ -47,7 +47,7 @@ func TestHeaderStorage(t *testing.T) {
 	if entry := ReadHeaderRLP(db, header.Hash(), header.Number.Uint64()); entry == nil {
 		t.Fatalf("Stored header RLP not found")
 	} else {
-		hasher := sha3.NewKeccak256()
+		hasher := sha3.NewLegacyKeccak256()
 		hasher.Write(entry)
 
 		if hash := common.BytesToHash(hasher.Sum(nil)); hash != header.Hash() {
@@ -68,7 +68,7 @@ func TestBodyStorage(t *testing.T) {
 	// Create a test body to move around the database and make sure it's really new
 	body := &types.Body{Uncles: []*types.Header{{Extra: []byte("test header")}}}
 
-	hasher := sha3.NewKeccak256()
+	hasher := sha3.NewLegacyKeccak256()
 	rlp.Encode(hasher, body)
 	hash := common.BytesToHash(hasher.Sum(nil))
 
@@ -85,7 +85,7 @@ func TestBodyStorage(t *testing.T) {
 	if entry := ReadBodyRLP(db, hash, 0); entry == nil {
 		t.Fatalf("Stored body RLP not found")
 	} else {
-		hasher := sha3.NewKeccak256()
+		hasher := sha3.NewLegacyKeccak256()
 		hasher.Write(entry)
 
 		if calc := common.BytesToHash(hasher.Sum(nil)); calc != hash {
diff --git a/core/types/block.go b/core/types/block.go
index 9d11f60d8..57905d8c7 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -28,8 +28,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/crypto/sha3"
 	"github.com/ethereum/go-ethereum/rlp"
+	"golang.org/x/crypto/sha3"
 )
 
 var (
@@ -109,7 +109,7 @@ func (h *Header) Size() common.StorageSize {
 }
 
 func rlpHash(x interface{}) (h common.Hash) {
-	hw := sha3.NewKeccak256()
+	hw := sha3.NewLegacyKeccak256()
 	rlp.Encode(hw, x)
 	hw.Sum(h[:0])
 	return h
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index 6696c6e3d..5195e716b 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -24,8 +24,8 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/crypto/sha3"
 	"github.com/ethereum/go-ethereum/params"
+	"golang.org/x/crypto/sha3"
 )
 
 var (
@@ -387,7 +387,7 @@ func opSha3(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory
 	data := memory.Get(offset.Int64(), size.Int64())
 
 	if interpreter.hasher == nil {
-		interpreter.hasher = sha3.NewKeccak256().(keccakState)
+		interpreter.hasher = sha3.NewLegacyKeccak256().(keccakState)
 	} else {
 		interpreter.hasher.Reset()
 	}
-- 
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