forked from cerc-io/laconicd-deprecated
8ec7edf5bd
* evm: move Keeper and Querier to /keeper package * keeper: update keeper_test.go * fix format * evm: use aliased types * bump SDK version to v0.38.1 * app: updates from new version * errors: switch sdk.Error -> error * errors: switch sdk.Error -> error. Continuation * more fixes * update app/ * update keys and client pkgs * build * fix tests * lint * minor changes * changelog * address @austinbell comments * Fix keyring usage in rpc API and CLI * fix keyring * break line * Misc cleanup (#188) * evm: move Begin and EndBlock to abci.go * evm: use expected keeper interfaces * app: use EthermintApp for integration and unit test setup * evm: remove count type; update codec * go mod verify * evm: rename msgs for consistency * evm: events * minor cleanup * lint * ante: update tests * changelog * nolint * evm: update statedb to create ethermint Account instead of BaseAccount * fix importer test * address @austinabell comments * update README * changelog * evm: update codec * rename GasLimit->Gas and Price ->GasPrice * msg cleanup and tests * cleanup TxData * fix marshaling * revert rename * move types * evm/keeper: querier tests * switch MarshalLengthPrefixed -> BinaryBare; remove panics * fix event sender * fix panic * try fix txDecoder error * evm: handler tests * evm: handler MsgEthermint test * fix tests * store logs in keeper after transition (#210) * add some comments * begin log handler test * update TransitionCSDB to return ReturnData * use rlp for result data encode/decode * update tests * implement SetBlockLogs * implement GetBlockLogs * test log set/get * update keeper get/set logs to use hash as key * fix test * move logsKey to csdb * attempt to fix test * attempt to fix test * attempt to fix test * lint * lint * lint * save logs after handling msg * update k.Logs * cleanup * remove unused * fix issues * comment out handler test * address comments * lint * fix handler test * address comments * use amino * lint * address comments * merge * fix encoding bug * minor fix * rpc: error handling * rpc: simulate only returns gasConsumed * rpc: error ineffassign * evm: handler test * go: bump version to 1.14 and SDK version to latest master * rpc: fix simulation return value * breaking changes from SDK * sdk: breaking changes; build * tests: fixes * minor fix * proto: ethermint types attempt * proto: define EthAccount proto type and extend sdk std.Codec * evm: fix panic on handler test * evm: minor state object changes * cleanup * tests: update test-importer * fix evm test * fix pubkey registration * lint * cleanup * more test checks for importer * minor change * codec fixes * rm init func * fix importer test build * fixes * test fixes * fix bloom key * rm unnecesary func * remove comment Co-authored-by: austinabell <austinabell8@gmail.com> Co-authored-by: noot <36753753+noot@users.noreply.github.com>
171 lines
4.6 KiB
Go
171 lines
4.6 KiB
Go
package evm
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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emint "github.com/cosmos/ethermint/types"
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"github.com/cosmos/ethermint/x/evm/types"
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tmtypes "github.com/tendermint/tendermint/types"
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)
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// NewHandler returns a handler for Ethermint type messages.
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func NewHandler(k Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
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ctx = ctx.WithEventManager(sdk.NewEventManager())
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switch msg := msg.(type) {
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case types.MsgEthereumTx:
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return handleMsgEthereumTx(ctx, k, msg)
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case types.MsgEthermint:
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return handleMsgEthermint(ctx, k, msg)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
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}
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}
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}
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// handleMsgEthereumTx handles an Ethereum specific tx
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func handleMsgEthereumTx(ctx sdk.Context, k Keeper, msg types.MsgEthereumTx) (*sdk.Result, error) {
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// parse the chainID from a string to a base-10 integer
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intChainID, ok := new(big.Int).SetString(ctx.ChainID(), 10)
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if !ok {
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return nil, sdkerrors.Wrap(emint.ErrInvalidChainID, ctx.ChainID())
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}
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// Verify signature and retrieve sender address
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sender, err := msg.VerifySig(intChainID)
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if err != nil {
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return nil, err
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}
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txHash := tmtypes.Tx(ctx.TxBytes()).Hash()
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ethHash := common.BytesToHash(txHash)
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st := types.StateTransition{
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Sender: sender,
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AccountNonce: msg.Data.AccountNonce,
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Price: msg.Data.Price,
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GasLimit: msg.Data.GasLimit,
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Recipient: msg.Data.Recipient,
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Amount: msg.Data.Amount,
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Payload: msg.Data.Payload,
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Csdb: k.CommitStateDB.WithContext(ctx),
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ChainID: intChainID,
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THash: ðHash,
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Simulate: ctx.IsCheckTx(),
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}
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// Prepare db for logs
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// TODO: block hash
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k.CommitStateDB.Prepare(ethHash, common.Hash{}, k.TxCount)
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k.TxCount++
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// TODO: move to keeper
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returnData, err := st.TransitionCSDB(ctx)
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if err != nil {
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return nil, err
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}
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// update block bloom filter
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k.Bloom.Or(k.Bloom, returnData.Bloom)
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// update transaction logs in KVStore
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err = k.SetTransactionLogs(ctx, returnData.Logs, txHash)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvents(sdk.Events{
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sdk.NewEvent(
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types.EventTypeEthereumTx,
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sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Data.Amount.String()),
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),
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, sender.String()),
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),
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})
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if msg.Data.Recipient != nil {
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeEthereumTx,
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sdk.NewAttribute(types.AttributeKeyRecipient, msg.Data.Recipient.String()),
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),
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)
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}
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// set the events to the result
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returnData.Result.Events = ctx.EventManager().Events().ToABCIEvents()
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return returnData.Result, nil
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}
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// handleMsgEthermint handles an sdk.StdTx for an Ethereum state transition
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func handleMsgEthermint(ctx sdk.Context, k Keeper, msg types.MsgEthermint) (*sdk.Result, error) {
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// parse the chainID from a string to a base-10 integer
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intChainID, ok := new(big.Int).SetString(ctx.ChainID(), 10)
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if !ok {
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return nil, sdkerrors.Wrap(emint.ErrInvalidChainID, ctx.ChainID())
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}
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txHash := tmtypes.Tx(ctx.TxBytes()).Hash()
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ethHash := common.BytesToHash(txHash)
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st := types.StateTransition{
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Sender: common.BytesToAddress(msg.From.Bytes()),
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AccountNonce: msg.AccountNonce,
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Price: msg.Price.BigInt(),
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GasLimit: msg.GasLimit,
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Amount: msg.Amount.BigInt(),
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Payload: msg.Payload,
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Csdb: k.CommitStateDB.WithContext(ctx),
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ChainID: intChainID,
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THash: ðHash,
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Simulate: ctx.IsCheckTx(),
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}
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if msg.Recipient != nil {
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to := common.BytesToAddress(msg.Recipient.Bytes())
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st.Recipient = &to
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}
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// Prepare db for logs
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k.CommitStateDB.Prepare(ethHash, common.Hash{}, k.TxCount)
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k.TxCount++
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returnData, err := st.TransitionCSDB(ctx)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvents(sdk.Events{
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sdk.NewEvent(
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types.EventTypeEthermint,
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sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
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),
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.From.String()),
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),
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})
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if msg.Recipient != nil {
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeEthermint,
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sdk.NewAttribute(types.AttributeKeyRecipient, msg.Recipient.String()),
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),
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)
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}
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// set the events to the result
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returnData.Result.Events = ctx.EventManager().Events().ToABCIEvents()
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return returnData.Result, nil
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}
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