547 lines
17 KiB
Go
547 lines
17 KiB
Go
package full
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import (
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"context"
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"fmt"
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"strconv"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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builtintypes "github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/go-state-types/builtin/v8/evm"
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init8 "github.com/filecoin-project/go-state-types/builtin/v8/init"
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"github.com/filecoin-project/go-state-types/exitcode"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors"
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builtinactors "github.com/filecoin-project/lotus/chain/actors/builtin"
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"github.com/filecoin-project/lotus/chain/messagepool"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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type EthModuleAPI interface {
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EthBlockNumber(ctx context.Context) (api.EthInt, error)
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EthAccounts(ctx context.Context) ([]api.EthAddress, error)
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EthGetBlockTransactionCountByNumber(ctx context.Context, blkNum api.EthInt) (api.EthInt, error)
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EthGetBlockTransactionCountByHash(ctx context.Context, blkHash api.EthHash) (api.EthInt, error)
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EthGetBlockByHash(ctx context.Context, blkHash api.EthHash, fullTxInfo bool) (api.EthBlock, error)
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EthGetBlockByNumber(ctx context.Context, blkNum string, fullTxInfo bool) (api.EthBlock, error)
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EthGetTransactionByHash(ctx context.Context, txHash *api.EthHash) (*api.EthTx, error)
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EthGetTransactionCount(ctx context.Context, sender api.EthAddress, blkOpt string) (api.EthInt, error)
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EthGetTransactionReceipt(ctx context.Context, txHash api.EthHash) (*api.EthTxReceipt, error)
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EthGetTransactionByBlockHashAndIndex(ctx context.Context, blkHash api.EthHash, txIndex api.EthInt) (api.EthTx, error)
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EthGetTransactionByBlockNumberAndIndex(ctx context.Context, blkNum api.EthInt, txIndex api.EthInt) (api.EthTx, error)
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EthGetCode(ctx context.Context, address api.EthAddress) (string, error)
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EthGetStorageAt(ctx context.Context, address api.EthAddress, position api.EthInt, blkParam string) (string, error)
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EthGetBalance(ctx context.Context, address api.EthAddress, blkParam string) (api.EthBigInt, error)
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EthChainId(ctx context.Context) (api.EthInt, error)
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NetVersion(ctx context.Context) (string, error)
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NetListening(ctx context.Context) (bool, error)
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EthProtocolVersion(ctx context.Context) (api.EthInt, error)
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EthGasPrice(ctx context.Context) (api.EthBigInt, error)
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EthEstimateGas(ctx context.Context, tx api.EthCall) (api.EthInt, error)
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EthCall(ctx context.Context, tx api.EthCall, blkParam string) (api.EthBytes, error)
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EthMaxPriorityFeePerGas(ctx context.Context) (api.EthBigInt, error)
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EthSendRawTransaction(ctx context.Context, rawTx api.EthBytes) (api.EthHash, error)
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}
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var _ EthModuleAPI = *new(api.FullNode)
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// EthModule provides a default implementation of EthModuleAPI.
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// It can be swapped out with another implementation through Dependency
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// Injection (for example with a thin RPC client).
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type EthModule struct {
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fx.In
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Chain *store.ChainStore
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Mpool *messagepool.MessagePool
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StateManager *stmgr.StateManager
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ChainAPI
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MpoolAPI
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StateAPI
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}
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var _ EthModuleAPI = (*EthModule)(nil)
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type EthAPI struct {
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fx.In
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Chain *store.ChainStore
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EthModuleAPI
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}
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func (a *EthModule) StateNetworkName(ctx context.Context) (dtypes.NetworkName, error) {
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return stmgr.GetNetworkName(ctx, a.StateManager, a.Chain.GetHeaviestTipSet().ParentState())
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}
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func (a *EthModule) EthBlockNumber(context.Context) (api.EthInt, error) {
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height := a.Chain.GetHeaviestTipSet().Height()
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return api.EthInt(height), nil
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}
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func (a *EthModule) EthAccounts(context.Context) ([]api.EthAddress, error) {
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// The lotus node is not expected to hold manage accounts, so we'll always return an empty array
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return []api.EthAddress{}, nil
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}
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func (a *EthModule) countTipsetMsgs(ctx context.Context, ts *types.TipSet) (int, error) {
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blkMsgs, err := a.Chain.BlockMsgsForTipset(ctx, ts)
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if err != nil {
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return 0, xerrors.Errorf("error loading messages for tipset: %v: %w", ts, err)
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}
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count := 0
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for _, blkMsg := range blkMsgs {
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// TODO: may need to run canonical ordering and deduplication here
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count += len(blkMsg.BlsMessages) + len(blkMsg.SecpkMessages)
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}
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return count, nil
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}
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func (a *EthModule) EthGetBlockTransactionCountByNumber(ctx context.Context, blkNum api.EthInt) (api.EthInt, error) {
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ts, err := a.Chain.GetTipsetByHeight(ctx, abi.ChainEpoch(blkNum), nil, false)
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if err != nil {
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return api.EthInt(0), xerrors.Errorf("error loading tipset %s: %w", ts, err)
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}
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count, err := a.countTipsetMsgs(ctx, ts)
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return api.EthInt(count), err
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}
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func (a *EthModule) EthGetBlockTransactionCountByHash(ctx context.Context, blkHash api.EthHash) (api.EthInt, error) {
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ts, err := a.Chain.GetTipSetByCid(ctx, blkHash.ToCid())
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if err != nil {
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return api.EthInt(0), xerrors.Errorf("error loading tipset %s: %w", ts, err)
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}
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count, err := a.countTipsetMsgs(ctx, ts)
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return api.EthInt(count), err
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}
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func (a *EthModule) EthGetBlockByHash(ctx context.Context, blkHash api.EthHash, fullTxInfo bool) (api.EthBlock, error) {
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ts, err := a.Chain.GetTipSetByCid(ctx, blkHash.ToCid())
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if err != nil {
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return api.EthBlock{}, xerrors.Errorf("error loading tipset %s: %w", ts, err)
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}
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return a.ethBlockFromFilecoinTipSet(ctx, ts, fullTxInfo)
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}
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func (a *EthModule) EthGetBlockByNumber(ctx context.Context, blkNum string, fullTxInfo bool) (api.EthBlock, error) {
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var num api.EthInt
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err := num.UnmarshalJSON([]byte(`"` + blkNum + `"`))
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if err != nil {
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num = api.EthInt(a.Chain.GetHeaviestTipSet().Height())
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}
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ts, err := a.Chain.GetTipsetByHeight(ctx, abi.ChainEpoch(num), nil, false)
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if err != nil {
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return api.EthBlock{}, xerrors.Errorf("error loading tipset %s: %w", ts, err)
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}
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return a.ethBlockFromFilecoinTipSet(ctx, ts, fullTxInfo)
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}
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func (a *EthModule) EthGetTransactionByHash(ctx context.Context, txHash *api.EthHash) (*api.EthTx, error) {
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// Ethereum's behavior is to return null when the txHash is invalid, so we use nil to check if txHash is valid
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if txHash == nil {
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return nil, nil
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}
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cid := txHash.ToCid()
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msgLookup, err := a.StateAPI.StateSearchMsg(ctx, types.EmptyTSK, cid, api.LookbackNoLimit, true)
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if err != nil {
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return nil, nil
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}
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tx, err := a.ethTxFromFilecoinMessageLookup(ctx, msgLookup)
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if err != nil {
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return nil, nil
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}
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return &tx, nil
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}
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func (a *EthModule) EthGetTransactionCount(ctx context.Context, sender api.EthAddress, blkParam string) (api.EthInt, error) {
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addr, err := sender.ToFilecoinAddress()
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if err != nil {
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return api.EthInt(0), err
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}
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nonce, err := a.Mpool.GetNonce(ctx, addr, types.EmptyTSK)
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if err != nil {
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return api.EthInt(0), err
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}
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return api.EthInt(nonce), nil
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}
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func (a *EthModule) EthGetTransactionReceipt(ctx context.Context, txHash api.EthHash) (*api.EthTxReceipt, error) {
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cid := txHash.ToCid()
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msgLookup, err := a.StateAPI.StateSearchMsg(ctx, types.EmptyTSK, cid, api.LookbackNoLimit, true)
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if err != nil {
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return nil, err
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}
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tx, err := a.ethTxFromFilecoinMessageLookup(ctx, msgLookup)
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if err != nil {
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return nil, err
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}
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replay, err := a.StateAPI.StateReplay(ctx, types.EmptyTSK, cid)
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if err != nil {
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return nil, err
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}
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receipt, err := api.NewEthTxReceipt(tx, msgLookup, replay)
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if err != nil {
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return nil, err
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}
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return &receipt, nil
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}
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func (a *EthModule) EthGetTransactionByBlockHashAndIndex(ctx context.Context, blkHash api.EthHash, txIndex api.EthInt) (api.EthTx, error) {
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return api.EthTx{}, nil
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}
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func (a *EthModule) EthGetTransactionByBlockNumberAndIndex(ctx context.Context, blkNum api.EthInt, txIndex api.EthInt) (api.EthTx, error) {
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return api.EthTx{}, nil
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}
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// EthGetCode returns string value of the compiled bytecode
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func (a *EthModule) EthGetCode(ctx context.Context, address api.EthAddress) (string, error) {
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return "", nil
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}
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func (a *EthModule) EthGetStorageAt(ctx context.Context, address api.EthAddress, position api.EthInt, blkParam string) (string, error) {
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return "", nil
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}
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func (a *EthModule) EthGetBalance(ctx context.Context, address api.EthAddress, blkParam string) (api.EthBigInt, error) {
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filAddr, err := address.ToFilecoinAddress()
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if err != nil {
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return api.EthBigInt{}, err
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}
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actor, err := a.StateGetActor(ctx, filAddr, types.EmptyTSK)
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if err != nil {
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return api.EthBigInt{}, err
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}
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return api.EthBigInt{Int: actor.Balance.Int}, nil
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}
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func (a *EthModule) EthChainId(ctx context.Context) (api.EthInt, error) {
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return api.EthInt(build.Eip155ChainId), nil
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}
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func (a *EthModule) NetVersion(ctx context.Context) (string, error) {
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// Note that networkId is not encoded in hex
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nv, err := a.StateNetworkVersion(ctx, types.EmptyTSK)
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if err != nil {
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return "", err
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}
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return strconv.FormatUint(uint64(nv), 10), nil
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}
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func (a *EthModule) NetListening(ctx context.Context) (bool, error) {
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return true, nil
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}
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func (a *EthModule) EthProtocolVersion(ctx context.Context) (api.EthInt, error) {
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height := a.Chain.GetHeaviestTipSet().Height()
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return api.EthInt(a.StateManager.GetNetworkVersion(ctx, height)), nil
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}
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func (a *EthModule) EthMaxPriorityFeePerGas(ctx context.Context) (api.EthBigInt, error) {
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gasPremium, err := a.GasAPI.GasEstimateGasPremium(ctx, 0, builtin.SystemActorAddr, 10000, types.EmptyTSK)
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if err != nil {
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return api.EthBigInt(big.Zero()), err
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}
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return api.EthBigInt(gasPremium), nil
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}
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func (a *EthModule) EthGasPrice(ctx context.Context) (api.EthBigInt, error) {
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// According to Geth's implementation, eth_gasPrice should return base + tip
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// Ref: https://github.com/ethereum/pm/issues/328#issuecomment-853234014
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ts := a.Chain.GetHeaviestTipSet()
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baseFee := ts.Blocks()[0].ParentBaseFee
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premium, err := a.EthMaxPriorityFeePerGas(ctx)
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if err != nil {
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return api.EthBigInt(big.Zero()), nil
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}
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gasPrice := big.Add(baseFee, big.Int(premium))
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return api.EthBigInt(gasPrice), nil
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}
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func (a *EthModule) EthSendRawTransaction(ctx context.Context, rawTx api.EthBytes) (api.EthHash, error) {
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txArgs, err := api.ParseEthTxArgs(rawTx)
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if err != nil {
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return api.EmptyEthHash, err
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}
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smsg, err := txArgs.ToSignedMessage()
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if err != nil {
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return api.EmptyEthHash, err
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}
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cid, err := a.MpoolAPI.MpoolPush(ctx, smsg)
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if err != nil {
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return api.EmptyEthHash, err
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}
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return api.EthHashFromCid(cid)
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}
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func (a *EthModule) applyEvmMsg(ctx context.Context, tx api.EthCall) (*api.InvocResult, error) {
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// FIXME: this is a workaround, remove this when f4 address is ready
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var from address.Address
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var err error
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if tx.From[0] == 0xff && tx.From[1] == 0 && tx.From[2] == 0 {
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addr, err := tx.From.ToFilecoinAddress()
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if err != nil {
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return nil, err
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}
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from = addr
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} else {
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id := uint64(100)
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for ; id < 300; id++ {
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idAddr, err := address.NewIDAddress(id)
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if err != nil {
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return nil, err
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}
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from = idAddr
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act, err := a.StateGetActor(ctx, idAddr, types.EmptyTSK)
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if err != nil {
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return nil, err
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}
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if builtinactors.IsAccountActor(act.Code) {
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break
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}
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}
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if id == 300 {
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return nil, fmt.Errorf("cannot find a dummy account")
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}
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}
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var params []byte
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var to address.Address
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if tx.To == nil {
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to = builtintypes.InitActorAddr
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constructorParams, err := actors.SerializeParams(&evm.ConstructorParams{
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Bytecode: tx.Data,
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InputData: []byte{},
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})
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if err != nil {
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return nil, fmt.Errorf("failed to serialize constructor params: %w", err)
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}
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evmActorCid, ok := actors.GetActorCodeID(actors.Version8, "evm")
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if !ok {
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return nil, fmt.Errorf("failed to lookup evm actor code CID")
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}
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params, err = actors.SerializeParams(&init8.ExecParams{
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CodeCID: evmActorCid,
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ConstructorParams: constructorParams,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to serialize init actor exec params: %w", err)
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}
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} else {
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addr, err := tx.To.ToFilecoinAddress()
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if err != nil {
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return nil, xerrors.Errorf("cannot get Filecoin address: %w", err)
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}
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to = addr
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params = tx.Data
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}
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msg := &types.Message{
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From: from,
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To: to,
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Value: big.Int(tx.Value),
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Method: abi.MethodNum(2),
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Params: params,
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GasLimit: build.BlockGasLimit,
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GasFeeCap: big.Zero(),
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GasPremium: big.Zero(),
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}
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ts := a.Chain.GetHeaviestTipSet()
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// Try calling until we find a height with no migration.
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var res *api.InvocResult
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for {
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res, err = a.StateManager.CallWithGas(ctx, msg, []types.ChainMsg{}, ts)
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if err != stmgr.ErrExpensiveFork {
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break
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}
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ts, err = a.Chain.GetTipSetFromKey(ctx, ts.Parents())
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if err != nil {
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return nil, xerrors.Errorf("getting parent tipset: %w", err)
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}
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}
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if err != nil {
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return nil, xerrors.Errorf("CallWithGas failed: %w", err)
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}
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if res.MsgRct.ExitCode != exitcode.Ok {
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return nil, xerrors.Errorf("message execution failed: exit %s, reason: %s", res.MsgRct.ExitCode, res.Error)
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}
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return res, nil
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}
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func (a *EthModule) EthEstimateGas(ctx context.Context, tx api.EthCall) (api.EthInt, error) {
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invokeResult, err := a.applyEvmMsg(ctx, tx)
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if err != nil {
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return api.EthInt(0), err
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}
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ret := invokeResult.MsgRct.GasUsed
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return api.EthInt(ret), nil
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}
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func (a *EthModule) EthCall(ctx context.Context, tx api.EthCall, blkParam string) (api.EthBytes, error) {
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invokeResult, err := a.applyEvmMsg(ctx, tx)
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if err != nil {
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return nil, err
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}
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if len(invokeResult.MsgRct.Return) > 0 {
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return api.EthBytes(invokeResult.MsgRct.Return), nil
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}
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return api.EthBytes{}, nil
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}
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func (a *EthModule) ethBlockFromFilecoinTipSet(ctx context.Context, ts *types.TipSet, fullTxInfo bool) (api.EthBlock, error) {
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parent, err := a.Chain.LoadTipSet(ctx, ts.Parents())
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if err != nil {
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return api.EthBlock{}, err
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}
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parentKeyCid, err := parent.Key().Cid()
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if err != nil {
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return api.EthBlock{}, err
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}
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parentBlkHash, err := api.EthHashFromCid(parentKeyCid)
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if err != nil {
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return api.EthBlock{}, err
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}
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blkMsgs, err := a.Chain.BlockMsgsForTipset(ctx, ts)
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if err != nil {
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return api.EthBlock{}, xerrors.Errorf("error loading messages for tipset: %v: %w", ts, err)
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}
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block := api.NewEthBlock()
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// this seems to be a very expensive way to get gasUsed of the block. may need to find an efficient way to do it
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gasUsed := int64(0)
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for _, blkMsg := range blkMsgs {
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for _, msg := range append(blkMsg.BlsMessages, blkMsg.SecpkMessages...) {
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msgLookup, err := a.StateAPI.StateSearchMsg(ctx, types.EmptyTSK, msg.Cid(), api.LookbackNoLimit, true)
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if err != nil {
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return api.EthBlock{}, nil
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}
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gasUsed += msgLookup.Receipt.GasUsed
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if fullTxInfo {
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tx, err := a.ethTxFromFilecoinMessageLookup(ctx, msgLookup)
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if err != nil {
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return api.EthBlock{}, nil
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}
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block.Transactions = append(block.Transactions, tx)
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} else {
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hash, err := api.EthHashFromCid(msg.Cid())
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if err != nil {
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return api.EthBlock{}, err
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}
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block.Transactions = append(block.Transactions, hash.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
block.Number = api.EthInt(ts.Height())
|
|
block.ParentHash = parentBlkHash
|
|
block.Timestamp = api.EthInt(ts.Blocks()[0].Timestamp)
|
|
block.BaseFeePerGas = api.EthBigInt{Int: ts.Blocks()[0].ParentBaseFee.Int}
|
|
block.GasUsed = api.EthInt(gasUsed)
|
|
return block, nil
|
|
}
|
|
|
|
func (a *EthModule) ethTxFromFilecoinMessageLookup(ctx context.Context, msgLookup *api.MsgLookup) (api.EthTx, error) {
|
|
if msgLookup == nil {
|
|
return api.EthTx{}, fmt.Errorf("msg does not exist")
|
|
}
|
|
cid := msgLookup.Message
|
|
txHash, err := api.EthHashFromCid(cid)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
tsCid, err := msgLookup.TipSet.Cid()
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
blkHash, err := api.EthHashFromCid(tsCid)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
msg, err := a.ChainAPI.ChainGetMessage(ctx, msgLookup.Message)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
fromFilIdAddr, err := a.StateAPI.StateLookupID(ctx, msg.From, types.EmptyTSK)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
fromEthAddr, err := api.EthAddressFromFilecoinIDAddress(fromFilIdAddr)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
toFilAddr, err := a.StateAPI.StateLookupID(ctx, msg.To, types.EmptyTSK)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
toEthAddr, err := api.EthAddressFromFilecoinIDAddress(toFilAddr)
|
|
if err != nil {
|
|
return api.EthTx{}, err
|
|
}
|
|
|
|
toAddr := &toEthAddr
|
|
_, err = api.CheckContractCreation(msgLookup)
|
|
if err == nil {
|
|
toAddr = nil
|
|
}
|
|
|
|
tx := api.EthTx{
|
|
ChainID: api.EthInt(build.Eip155ChainId),
|
|
Hash: txHash,
|
|
BlockHash: blkHash,
|
|
BlockNumber: api.EthInt(msgLookup.Height),
|
|
From: fromEthAddr,
|
|
To: toAddr,
|
|
Value: api.EthBigInt(msg.Value),
|
|
Type: api.EthInt(2),
|
|
Gas: api.EthInt(msg.GasLimit),
|
|
MaxFeePerGas: api.EthBigInt(msg.GasFeeCap),
|
|
MaxPriorityFeePerGas: api.EthBigInt(msg.GasPremium),
|
|
V: api.EthBytes{},
|
|
R: api.EthBytes{},
|
|
S: api.EthBytes{},
|
|
Input: msg.Params,
|
|
}
|
|
return tx, nil
|
|
}
|