The core protocol of WoopChain
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woop/rpc/pool.go

323 lines
9.9 KiB

package rpc
import (
"context"
"github.com/pkg/errors"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/harmony-one/harmony/core"
"github.com/harmony-one/harmony/core/types"
"github.com/harmony-one/harmony/hmy"
common2 "github.com/harmony-one/harmony/internal/common"
nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
"github.com/harmony-one/harmony/internal/utils"
v1 "github.com/harmony-one/harmony/rpc/v1"
v2 "github.com/harmony-one/harmony/rpc/v2"
staking "github.com/harmony-one/harmony/staking/types"
)
// PublicPoolService provides an API to access the Harmony node's transaction pool.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicPoolService struct {
hmy *hmy.Harmony
version Version
}
// NewPublicPoolAPI creates a new API for the RPC interface
func NewPublicPoolAPI(hmy *hmy.Harmony, version Version) rpc.API {
return rpc.API{
Namespace: version.Namespace(),
Version: APIVersion,
Service: &PublicPoolService{hmy, version},
Public: true,
}
}
// SendRawTransaction will add the signed transaction to the transaction pool.
// The sender is responsible for signing the transaction and using the correct nonce.
func (s *PublicPoolService) SendRawTransaction(
ctx context.Context, encodedTx hexutil.Bytes,
) (common.Hash, error) {
// DOS prevention
if len(encodedTx) >= types.MaxEncodedPoolTransactionSize {
err := errors.Wrapf(core.ErrOversizedData, "encoded tx size: %d", len(encodedTx))
return common.Hash{}, err
}
var tx *types.Transaction
if s.version == Eth {
ethTx := new(types.EthTransaction)
if err := rlp.DecodeBytes(encodedTx, ethTx); err != nil {
return common.Hash{}, err
}
tx = ethTx.ConvertToHmy()
} else {
tx = new(types.Transaction)
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
return common.Hash{}, err
}
}
// Verify chainID
if err := s.verifyChainID(tx); err != nil {
return common.Hash{}, err
}
// Submit transaction
if err := s.hmy.SendTx(ctx, tx); err != nil {
utils.Logger().Warn().Err(err).Msg("Could not submit transaction")
return tx.Hash(), err
}
// Log submission
if tx.To() == nil {
signer := types.MakeSigner(s.hmy.ChainConfig(), s.hmy.CurrentBlock().Epoch())
ethSigner := types.NewEIP155Signer(s.hmy.ChainConfig().EthCompatibleChainID)
if tx.IsEthCompatible() {
signer = ethSigner
}
from, err := types.Sender(signer, tx)
if err != nil {
return common.Hash{}, err
}
addr := crypto.CreateAddress(from, tx.Nonce())
utils.Logger().Info().
Str("fullhash", tx.Hash().Hex()).
Str("contract", common2.MustAddressToBech32(addr)).
Msg("Submitted contract creation")
} else {
utils.Logger().Info().
Str("fullhash", tx.Hash().Hex()).
Str("recipient", tx.To().Hex()).
Interface("tx", tx).
Msg("Submitted transaction")
}
// Response output is the same for all versions
return tx.Hash(), nil
}
func (s *PublicPoolService) verifyChainID(tx *types.Transaction) error {
nodeChainID := s.hmy.ChainConfig().ChainID
ethChainID := nodeconfig.GetDefaultConfig().GetNetworkType().ChainConfig().EthCompatibleChainID
if tx.ChainID().Cmp(ethChainID) != 0 && tx.ChainID().Cmp(nodeChainID) != 0 {
return errors.Wrapf(
ErrInvalidChainID, "blockchain chain id:%s, given %s", nodeChainID.String(), tx.ChainID().String(),
)
}
return nil
}
// SendRawStakingTransaction will add the signed transaction to the transaction pool.
// The sender is responsible for signing the transaction and using the correct nonce.
func (s *PublicPoolService) SendRawStakingTransaction(
ctx context.Context, encodedTx hexutil.Bytes,
) (common.Hash, error) {
// DOS prevention
if len(encodedTx) >= types.MaxEncodedPoolTransactionSize {
err := errors.Wrapf(core.ErrOversizedData, "encoded tx size: %d", len(encodedTx))
return common.Hash{}, err
}
// Verify staking transaction type & chain
tx := new(staking.StakingTransaction)
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
return common.Hash{}, err
}
c := s.hmy.ChainConfig().ChainID
if id := tx.ChainID(); id.Cmp(c) != 0 {
return common.Hash{}, errors.Wrapf(
ErrInvalidChainID, "blockchain chain id:%s, given %s", c.String(), id.String(),
)
}
// Submit transaction
if err := s.hmy.SendStakingTx(ctx, tx); err != nil {
utils.Logger().Warn().Err(err).Msg("Could not submit staking transaction")
return tx.Hash(), err
}
// Log submission
utils.Logger().Info().
Str("fullhash", tx.Hash().Hex()).
Msg("Submitted Staking transaction")
// Response output is the same for all versions
return tx.Hash(), nil
}
// GetPoolStats returns stats for the tx-pool
func (s *PublicPoolService) GetPoolStats(
ctx context.Context,
) (StructuredResponse, error) {
pendingCount, queuedCount := s.hmy.GetPoolStats()
// Response output is the same for all versions
return StructuredResponse{
"executable-count": pendingCount,
"non-executable-count": queuedCount,
}, nil
}
// PendingTransactions returns the plain transactions that are in the transaction pool
func (s *PublicPoolService) PendingTransactions(
ctx context.Context,
) ([]StructuredResponse, error) {
// Fetch all pending transactions (stx & plain tx)
pending, err := s.hmy.GetPoolTransactions()
if err != nil {
return nil, err
}
// Only format and return plain transactions according to the version
transactions := []StructuredResponse{}
for i := range pending {
if plainTx, ok := pending[i].(*types.Transaction); ok {
var tx interface{}
switch s.version {
case V1, Eth:
tx, err = v1.NewTransaction(plainTx, common.Hash{}, 0, 0, 0)
if err != nil {
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingTransactions")
continue // Legacy behavior is to not return error here
}
case V2:
tx, err = v2.NewTransaction(plainTx, common.Hash{}, 0, 0, 0)
if err != nil {
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingTransactions")
continue // Legacy behavior is to not return error here
}
default:
return nil, ErrUnknownRPCVersion
}
rpcTx, err := NewStructuredResponse(tx)
if err == nil {
transactions = append(transactions, rpcTx)
} else {
// Legacy behavior is to not return error here
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingTransactions")
}
} else if _, ok := pending[i].(*staking.StakingTransaction); ok {
continue // Do not return staking transactions here.
} else {
return nil, types.ErrUnknownPoolTxType
}
}
return transactions, nil
}
// PendingStakingTransactions returns the staking transactions that are in the transaction pool
func (s *PublicPoolService) PendingStakingTransactions(
ctx context.Context,
) ([]StructuredResponse, error) {
// Fetch all pending transactions (stx & plain tx)
pending, err := s.hmy.GetPoolTransactions()
if err != nil {
return nil, err
}
// Only format and return staking transactions according to the version
transactions := []StructuredResponse{}
for i := range pending {
if _, ok := pending[i].(*types.Transaction); ok {
continue // Do not return plain transactions here
} else if stakingTx, ok := pending[i].(*staking.StakingTransaction); ok {
var tx interface{}
switch s.version {
case V1, Eth:
tx, err = v1.NewStakingTransaction(stakingTx, common.Hash{}, 0, 0, 0)
if err != nil {
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingStakingTransactions")
continue // Legacy behavior is to not return error here
}
case V2:
tx, err = v2.NewStakingTransaction(stakingTx, common.Hash{}, 0, 0, 0)
if err != nil {
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingStakingTransactions")
continue // Legacy behavior is to not return error here
}
default:
return nil, ErrUnknownRPCVersion
}
rpcTx, err := NewStructuredResponse(tx)
if err == nil {
transactions = append(transactions, rpcTx)
} else {
// Legacy behavior is to not return error here
utils.Logger().Debug().
Err(err).
Msgf("%v error at %v", LogTag, "PendingStakingTransactions")
}
} else {
return nil, types.ErrUnknownPoolTxType
}
}
return transactions, nil
}
// GetCurrentTransactionErrorSink ..
func (s *PublicPoolService) GetCurrentTransactionErrorSink(
ctx context.Context,
) ([]StructuredResponse, error) {
// For each transaction error in the error sink, format the response (same format for all versions)
formattedErrors := []StructuredResponse{}
for _, txError := range s.hmy.GetCurrentTransactionErrorSink() {
formattedErr, err := NewStructuredResponse(txError)
if err != nil {
return nil, err
}
formattedErrors = append(formattedErrors, formattedErr)
}
return formattedErrors, nil
}
// GetCurrentStakingErrorSink ..
func (s *PublicPoolService) GetCurrentStakingErrorSink(
ctx context.Context,
) ([]StructuredResponse, error) {
// For each staking tx error in the error sink, format the response (same format for all versions)
formattedErrors := []StructuredResponse{}
for _, txErr := range s.hmy.GetCurrentStakingErrorSink() {
formattedErr, err := NewStructuredResponse(txErr)
if err != nil {
return nil, err
}
formattedErrors = append(formattedErrors, formattedErr)
}
return formattedErrors, nil
}
// GetPendingCXReceipts ..
func (s *PublicPoolService) GetPendingCXReceipts(
ctx context.Context,
) ([]StructuredResponse, error) {
// For each cx receipt, format the response (same format for all versions)
formattedReceipts := []StructuredResponse{}
for _, receipts := range s.hmy.GetPendingCXReceipts() {
formattedReceipt, err := NewStructuredResponse(receipts)
if err != nil {
return nil, err
}
formattedReceipts = append(formattedReceipts, formattedReceipt)
}
return formattedReceipts, nil
}