Merge commit '8f7eb9ccd' into merge/geth-v1.13.11

consensus/beacon/consensus.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/trie"
+	"github.com/holiman/uint256"
 )
 
 // Proof-of-stake protocol constants.
@@ -355,8 +356,8 @@ func (beacon *Beacon) Finalize(chain consensus.ChainHeaderReader, header *types.
 	// Withdrawals processing.
 	for _, w := range withdrawals {
 		// Convert amount from gwei to wei.
-		amount := new(big.Int).SetUint64(w.Amount)
-		amount = amount.Mul(amount, big.NewInt(params.GWei))
+		amount := new(uint256.Int).SetUint64(w.Amount)
+		amount = amount.Mul(amount, uint256.NewInt(params.GWei))
 		state.AddBalance(w.Address, amount)
 	}
 	// No block reward which is issued by consensus layer instead.

consensus/ethash/consensus.go

@@ -33,16 +33,17 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
+	"github.com/holiman/uint256"
 	"golang.org/x/crypto/sha3"
 )
 
 // Ethash proof-of-work protocol constants.
 var (
-	FrontierBlockReward           = big.NewInt(5e+18) // Block reward in wei for successfully mining a block
-	ByzantiumBlockReward          = big.NewInt(3e+18) // Block reward in wei for successfully mining a block upward from Byzantium
-	ConstantinopleBlockReward     = big.NewInt(2e+18) // Block reward in wei for successfully mining a block upward from Constantinople
-	maxUncles                     = 2                 // Maximum number of uncles allowed in a single block
-	allowedFutureBlockTimeSeconds = int64(15)         // Max seconds from current time allowed for blocks, before they're considered future blocks
+	FrontierBlockReward           = uint256.NewInt(5e+18) // Block reward in wei for successfully mining a block
+	ByzantiumBlockReward          = uint256.NewInt(3e+18) // Block reward in wei for successfully mining a block upward from Byzantium
+	ConstantinopleBlockReward     = uint256.NewInt(2e+18) // Block reward in wei for successfully mining a block upward from Constantinople
+	maxUncles                     = 2                     // Maximum number of uncles allowed in a single block
+	allowedFutureBlockTimeSeconds = int64(15)             // Max seconds from current time allowed for blocks, before they're considered future blocks
 
 	// calcDifficultyEip5133 is the difficulty adjustment algorithm as specified by EIP 5133.
 	// It offsets the bomb a total of 11.4M blocks.
@@ -562,8 +563,8 @@ func (ethash *Ethash) SealHash(header *types.Header) (hash common.Hash) {
 
 // Some weird constants to avoid constant memory allocs for them.
 var (
-	big8  = big.NewInt(8)
-	big32 = big.NewInt(32)
+	u256_8  = uint256.NewInt(8)
+	u256_32 = uint256.NewInt(32)
 )
 
 // AccumulateRewards credits the coinbase of the given block with the mining
@@ -579,16 +580,18 @@ func accumulateRewards(config *params.ChainConfig, state *state.StateDB, header
 		blockReward = ConstantinopleBlockReward
 	}
 	// Accumulate the rewards for the miner and any included uncles
-	reward := new(big.Int).Set(blockReward)
-	r := new(big.Int)
+	reward := new(uint256.Int).Set(blockReward)
+	r := new(uint256.Int)
+	hNum, _ := uint256.FromBig(header.Number)
 	for _, uncle := range uncles {
-		r.Add(uncle.Number, big8)
-		r.Sub(r, header.Number)
+		uNum, _ := uint256.FromBig(uncle.Number)
+		r.AddUint64(uNum, 8)
+		r.Sub(r, hNum)
 		r.Mul(r, blockReward)
-		r.Div(r, big8)
+		r.Div(r, u256_8)
 		state.AddBalance(uncle.Coinbase, r)
 
-		r.Div(blockReward, big32)
+		r.Div(blockReward, u256_32)
 		reward.Add(reward, r)
 	}
 	state.AddBalance(header.Coinbase, reward)

consensus/misc/dao.go

@@ -24,6 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
+	"github.com/holiman/uint256"
 )
 
 var (
@@ -81,6 +82,6 @@ func ApplyDAOHardFork(statedb *state.StateDB) {
 	// Move every DAO account and extra-balance account funds into the refund contract
 	for _, addr := range params.DAODrainList() {
 		statedb.AddBalance(params.DAORefundContract, statedb.GetBalance(addr))
-		statedb.SetBalance(addr, new(big.Int))
+		statedb.SetBalance(addr, new(uint256.Int))
 	}
 }