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remove unused code in pre api
This commit is contained in:
cifer76
parent
f924a4e0cb
commit
c6c86f3398
1 changed files with 0 additions and 140 deletions
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@ -3,64 +3,22 @@ package eth
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import (
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"context"
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"fmt"
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"hash"
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"math"
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"math/big"
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"math/rand"
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"strings"
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txtrace "github.com/DeBankDeFi/etherlib/pkg/txtracev1"
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txtrace2 "github.com/DeBankDeFi/etherlib/pkg/txtracev2"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/internal/ethapi"
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"github.com/ethereum/go-ethereum/rpc"
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// "github.com/DeBankDeFi/eth/txtrace"
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"golang.org/x/crypto/sha3"
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)
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type helpHash struct {
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hashed hash.Hash
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}
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func newHash() *helpHash {
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return &helpHash{hashed: sha3.NewLegacyKeccak256()}
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}
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func (h *helpHash) Reset() {
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h.hashed.Reset()
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}
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func (h *helpHash) Update(key, val []byte) error {
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h.hashed.Write(key)
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h.hashed.Write(val)
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return nil
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}
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func (h *helpHash) Hash() common.Hash {
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return common.BytesToHash(h.hashed.Sum(nil))
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}
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type PreExecTx struct {
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ChainId *big.Int
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From, To, Data, Value, Gas, GasPrice, Nonce string
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}
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type preData struct {
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block *types.Block
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tx *types.Transaction
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msg *core.Message
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stateDb *state.StateDB
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header *types.Header
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}
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// PreExecAPI provides pre exec info for rpc
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type PreExecAPI struct {
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e *Ethereum
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@ -70,104 +28,6 @@ func NewPreExecAPI(e *Ethereum) *PreExecAPI {
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return &PreExecAPI{e: e}
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}
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func (api *PreExecAPI) getBlockAndMsg(origin *PreExecTx, header *types.Header) (*types.Block, *core.Message) {
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toAddr := common.HexToAddress(origin.To)
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tx := types.NewTx(&types.LegacyTx{
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Nonce: hexutil.MustDecodeUint64(origin.Nonce),
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To: &toAddr,
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Value: hexutil.MustDecodeBig(origin.Value),
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Gas: hexutil.MustDecodeUint64(origin.Gas),
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GasPrice: hexutil.MustDecodeBig(origin.GasPrice),
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Data: hexutil.MustDecode(origin.Data),
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})
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number := big.NewInt(header.Number.Int64() + 1)
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block := types.NewBlock(
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&types.Header{Number: number},
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[]*types.Transaction{tx}, nil, nil, newHash())
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msg, _ := core.TransactionToMessage(tx, types.MakeSigner(api.e.APIBackend.ChainConfig(), header.Number), header.BaseFee)
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msg.IsPre = true
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return block, msg
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}
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func (api *PreExecAPI) prepareData(ctx context.Context, origin *PreExecTx) (*preData, error) {
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var (
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d preData
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err error
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)
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bc := api.e.blockchain
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d.header, err = api.e.APIBackend.HeaderByNumber(ctx, rpc.LatestBlockNumber)
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if err != nil {
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return nil, err
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}
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latestNumber := d.header.Number
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parent := api.e.blockchain.GetBlockByNumber(latestNumber.Uint64())
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d.stateDb, err = state.New(parent.Header().Root, bc.StateCache(), bc.Snapshots())
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if err != nil {
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return nil, err
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}
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d.block, d.msg = api.getBlockAndMsg(origin, d.header)
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d.tx = d.block.Transactions()[0]
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return &d, nil
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}
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func (api *PreExecAPI) GetLogs(ctx context.Context, origin *PreExecTx) (*types.Receipt, error) {
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var (
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bc = api.e.blockchain
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)
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d, err := api.prepareData(ctx, origin)
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if err != nil {
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return nil, err
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}
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gas := d.tx.Gas()
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gp := new(core.GasPool).AddGas(gas)
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d.stateDb.SetTxContext(d.tx.Hash(), 0)
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receipt, err := core.ApplyTransactionForPreExec(
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bc.Config(), bc, nil, gp, d.stateDb, d.header, d.tx, &gas, *bc.GetVMConfig())
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if err != nil {
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return nil, err
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}
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return receipt, receipt.Err
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}
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// TraceTransaction tracing pre-exec transaction object.
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func (api *PreExecAPI) TraceTransaction(ctx context.Context, origin *PreExecTx) (interface{}, error) {
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var (
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bc = api.e.blockchain
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tracer *txtrace.OeTracer
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err error
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)
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d, err := api.prepareData(ctx, origin)
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if err != nil {
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return nil, err
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}
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txContext := core.NewEVMTxContext(d.msg)
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txIndex := 0
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tracer = txtrace.NewOeTracer(nil)
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// Run the transaction with tracing enabled.
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vmenv := vm.NewEVM(core.NewEVMBlockContext(d.header, bc, nil), txContext, d.stateDb, bc.Config(), vm.Config{Tracer: tracer, PreExec: true})
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vmenv.Context.BaseFee = big.NewInt(0)
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vmenv.Context.BlockNumber.Add(vmenv.Context.BlockNumber, big.NewInt(rand.Int63n(6)+6))
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vmenv.Context.Time += uint64(rand.Int63n(60) + 30)
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// Call Prepare to clear out the statedb access list
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d.stateDb.SetTxContext(d.tx.Hash(), 0)
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tracer.SetMessage(d.block.Number(), d.block.Hash(), d.tx.Hash(), uint(txIndex), d.msg.From, d.msg.To, *d.msg.Value)
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_, err = core.ApplyMessage(vmenv, d.msg, new(core.GasPool).AddGas(d.msg.GasLimit))
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if err != nil {
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return nil, fmt.Errorf("tracing failed: %v", err)
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}
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tracer.Finalize()
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return tracer.GetResult(), nil
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}
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const (
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UnKnown = 1000
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InsufficientBalane = 1001
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