forked from cerc-io/plugeth
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.
This commit is contained in:
@@ -29,6 +29,7 @@ import (
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/eth/tracers"
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"github.com/ethereum/go-ethereum/params"
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"github.com/holiman/uint256"
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)
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type account struct{}
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@@ -37,9 +38,9 @@ func (account) SubBalance(amount *big.Int) {}
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func (account) AddBalance(amount *big.Int) {}
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func (account) SetAddress(common.Address) {}
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func (account) Value() *big.Int { return nil }
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func (account) SetBalance(*big.Int) {}
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func (account) SetBalance(*uint256.Int) {}
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func (account) SetNonce(uint64) {}
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func (account) Balance() *big.Int { return nil }
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func (account) Balance() *uint256.Int { return nil }
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func (account) Address() common.Address { return common.Address{} }
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func (account) SetCode(common.Hash, []byte) {}
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func (account) ForEachStorage(cb func(key, value common.Hash) bool) {}
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@@ -48,8 +49,8 @@ type dummyStatedb struct {
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state.StateDB
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}
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func (*dummyStatedb) GetRefund() uint64 { return 1337 }
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func (*dummyStatedb) GetBalance(addr common.Address) *big.Int { return new(big.Int) }
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func (*dummyStatedb) GetRefund() uint64 { return 1337 }
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func (*dummyStatedb) GetBalance(addr common.Address) *uint256.Int { return new(uint256.Int) }
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type vmContext struct {
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blockCtx vm.BlockContext
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@@ -65,7 +66,7 @@ func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainCon
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env = vm.NewEVM(vmctx.blockCtx, vmctx.txCtx, &dummyStatedb{}, chaincfg, vm.Config{Tracer: tracer})
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gasLimit uint64 = 31000
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startGas uint64 = 10000
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value = big.NewInt(0)
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value = uint256.NewInt(0)
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contract = vm.NewContract(account{}, account{}, value, startGas)
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)
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contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
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@@ -74,7 +75,7 @@ func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainCon
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}
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tracer.CaptureTxStart(gasLimit)
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tracer.CaptureStart(env, contract.Caller(), contract.Address(), false, []byte{}, startGas, value)
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tracer.CaptureStart(env, contract.Caller(), contract.Address(), false, []byte{}, startGas, value.ToBig())
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ret, err := env.Interpreter().Run(contract, []byte{}, false)
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tracer.CaptureEnd(ret, startGas-contract.Gas, err)
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// Rest gas assumes no refund
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@@ -182,7 +183,7 @@ func TestHaltBetweenSteps(t *testing.T) {
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}
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env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Tracer: tracer})
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scope := &vm.ScopeContext{
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Contract: vm.NewContract(&account{}, &account{}, big.NewInt(0), 0),
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Contract: vm.NewContract(&account{}, &account{}, uint256.NewInt(0), 0),
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}
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tracer.CaptureStart(env, common.Address{}, common.Address{}, false, []byte{}, 0, big.NewInt(0))
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tracer.CaptureState(0, 0, 0, 0, scope, nil, 0, nil)
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@@ -273,7 +274,7 @@ func TestEnterExit(t *testing.T) {
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t.Fatal(err)
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}
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scope := &vm.ScopeContext{
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Contract: vm.NewContract(&account{}, &account{}, big.NewInt(0), 0),
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Contract: vm.NewContract(&account{}, &account{}, uint256.NewInt(0), 0),
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}
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tracer.CaptureEnter(vm.CALL, scope.Contract.Caller(), scope.Contract.Address(), []byte{}, 1000, new(big.Int))
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tracer.CaptureExit([]byte{}, 400, nil)
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