all: use uint256 in state (#28598)

This change makes use of uin256 to represent balance in state. It touches primarily upon statedb, stateobject and state processing, trying to avoid changes in transaction pools, core types, rpc and tracers.

tests/block_test_util.go

@@ -328,7 +328,7 @@ func (t *BlockTest) validatePostState(statedb *state.StateDB) error {
 	for addr, acct := range t.json.Post {
 		// address is indirectly verified by the other fields, as it's the db key
 		code2 := statedb.GetCode(addr)
-		balance2 := statedb.GetBalance(addr)
+		balance2 := statedb.GetBalance(addr).ToBig()
 		nonce2 := statedb.GetNonce(addr)
 		if !bytes.Equal(code2, acct.Code) {
 			return fmt.Errorf("account code mismatch for addr: %s want: %v have: %s", addr, acct.Code, hex.EncodeToString(code2))

tests/state_test.go

@@ -37,6 +37,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/eth/tracers/logger"
+	"github.com/holiman/uint256"
 )
 
 func TestState(t *testing.T) {
@@ -279,7 +280,7 @@ func runBenchmark(b *testing.B, t *StateTest) {
 				start := time.Now()
 
 				// Execute the message.
-				_, leftOverGas, err := evm.Call(sender, *msg.To, msg.Data, msg.GasLimit, msg.Value)
+				_, leftOverGas, err := evm.Call(sender, *msg.To, msg.Data, msg.GasLimit, uint256.MustFromBig(msg.Value))
 				if err != nil {
 					b.Error(err)
 					return

tests/state_test_util.go

@@ -42,6 +42,7 @@ import (
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/ethereum/go-ethereum/trie/triedb/hashdb"
 	"github.com/ethereum/go-ethereum/trie/triedb/pathdb"
+	"github.com/holiman/uint256"
 	"golang.org/x/crypto/sha3"
 )
 
@@ -315,7 +316,7 @@ func (t *StateTest) RunNoVerify(subtest StateSubtest, vmconfig vm.Config, snapsh
 	// - the coinbase self-destructed, or
 	// - there are only 'bad' transactions, which aren't executed. In those cases,
 	//   the coinbase gets no txfee, so isn't created, and thus needs to be touched
-	statedb.AddBalance(block.Coinbase(), new(big.Int))
+	statedb.AddBalance(block.Coinbase(), new(uint256.Int))
 
 	// Commit state mutations into database.
 	root, _ := statedb.Commit(block.NumberU64(), config.IsEIP158(block.Number()))
@@ -339,7 +340,7 @@ func MakePreState(db ethdb.Database, accounts core.GenesisAlloc, snapshotter boo
 	for addr, a := range accounts {
 		statedb.SetCode(addr, a.Code)
 		statedb.SetNonce(addr, a.Nonce)
-		statedb.SetBalance(addr, a.Balance)
+		statedb.SetBalance(addr, uint256.MustFromBig(a.Balance))
 		for k, v := range a.Storage {
 			statedb.SetState(addr, k, v)
 		}