The core protocol of WoopChain
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woop/internal/hmyapi/transactionpool.go

300 lines
10 KiB

package hmyapi
import (
"context"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/harmony-one/harmony/accounts"
"github.com/harmony-one/harmony/core/rawdb"
"github.com/harmony-one/harmony/core/types"
internal_common "github.com/harmony-one/harmony/internal/common"
staking "github.com/harmony-one/harmony/staking/types"
"github.com/pkg/errors"
)
var (
// ErrInvalidChainID when ChainID of signer does not match that of running node
errInvalidChainID = errors.New("invalid chain id for signer")
)
// TxHistoryArgs is struct to make GetTransactionsHistory request
type TxHistoryArgs struct {
Address string `json:"address"`
PageIndex uint32 `json:"pageIndex"`
PageSize uint32 `json:"pageSize"`
FullTx bool `json:"fullTx"`
TxType string `json:"txType"`
Order string `json:"order"`
}
// PublicTransactionPoolAPI exposes methods for the RPC interface
type PublicTransactionPoolAPI struct {
b Backend
nonceLock *AddrLocker
}
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
func NewPublicTransactionPoolAPI(b Backend, nonceLock *AddrLocker) *PublicTransactionPoolAPI {
return &PublicTransactionPoolAPI{b, nonceLock}
}
// GetTransactionsHistory returns the list of transactions hashes that involve a particular address.
func (s *PublicTransactionPoolAPI) GetTransactionsHistory(ctx context.Context, args TxHistoryArgs) (map[string]interface{}, error) {
address := args.Address
result := []common.Hash{}
var err error
if strings.HasPrefix(args.Address, "one1") {
address = args.Address
} else {
addr := internal_common.ParseAddr(args.Address)
address, err = internal_common.AddressToBech32(addr)
if err != nil {
return nil, err
}
}
hashes, err := s.b.GetTransactionsHistory(address, args.TxType, args.Order)
if err != nil {
return nil, err
}
result = ReturnWithPagination(hashes, args)
if !args.FullTx {
return map[string]interface{}{"transactions": result}, nil
}
txs := []*RPCTransaction{}
for _, hash := range result {
tx := s.GetTransactionByHash(ctx, hash)
txs = append(txs, tx)
}
return map[string]interface{}{"transactions": txs}, nil
}
// GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(ctx context.Context, blockNr rpc.BlockNumber) *hexutil.Uint {
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
n := hexutil.Uint(len(block.Transactions()))
return &n
}
return nil
}
// GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(ctx context.Context, blockHash common.Hash) *hexutil.Uint {
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
n := hexutil.Uint(len(block.Transactions()))
return &n
}
return nil
}
// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index hexutil.Uint) *RPCTransaction {
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
return newRPCTransactionFromBlockIndex(block, uint64(index))
}
return nil
}
// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index hexutil.Uint) *RPCTransaction {
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
return newRPCTransactionFromBlockIndex(block, uint64(index))
}
return nil
}
// GetTransactionByHash returns the transaction for the given hash
func (s *PublicTransactionPoolAPI) GetTransactionByHash(ctx context.Context, hash common.Hash) *RPCTransaction {
// Try to return an already finalized transaction
if tx, blockHash, blockNumber, index := rawdb.ReadTransaction(s.b.ChainDb(), hash); tx != nil {
return newRPCTransaction(tx, blockHash, blockNumber, index)
}
// No finalized transaction, try to retrieve it from the pool
if tx := s.b.GetPoolTransaction(hash); tx != nil {
return newRPCPendingTransaction(tx)
}
// Transaction unknown, return as such
return nil
}
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, addr string, blockNr rpc.BlockNumber) (*hexutil.Uint64, error) {
address := internal_common.ParseAddr(addr)
// Ask transaction pool for the nonce which includes pending transactions
if blockNr == rpc.PendingBlockNumber {
nonce, err := s.b.GetPoolNonce(ctx, address)
if err != nil {
return nil, err
}
return (*hexutil.Uint64)(&nonce), nil
}
// Resolve block number and use its state to ask for the nonce
state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil {
return nil, err
}
nonce := state.GetNonce(address)
return (*hexutil.Uint64)(&nonce), state.Error()
}
// SendTransaction creates a transaction for the given argument, sign it and submit it to the
// transaction pool.
func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args SendTxArgs) (common.Hash, error) {
// Look up the wallet containing the requested signer
account := accounts.Account{Address: args.From}
wallet, err := s.b.AccountManager().Find(account)
if err != nil {
return common.Hash{}, err
}
if args.Nonce == nil {
// Hold the addresse's mutex around signing to prevent concurrent assignment of
// the same nonce to multiple accounts.
s.nonceLock.LockAddr(args.From)
defer s.nonceLock.UnlockAddr(args.From)
}
// Set some sanity defaults and terminate on failure
if err := args.setDefaults(ctx, s.b); err != nil {
return common.Hash{}, err
}
// Assemble the transaction and sign with the wallet
tx := args.toTransaction()
signed, err := wallet.SignTx(account, tx, s.b.ChainConfig().ChainID)
if err != nil {
return common.Hash{}, err
}
return SubmitTransaction(ctx, s.b, signed)
}
// 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 *PublicTransactionPoolAPI) SendRawStakingTransaction(
ctx context.Context, encodedTx hexutil.Bytes,
) (common.Hash, error) {
tx := new(staking.StakingTransaction)
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
return common.Hash{}, err
}
c := s.b.ChainConfig().ChainID
if tx.ChainID().Cmp(c) != 0 {
e := errors.Wrapf(errInvalidChainID, "current chain id:%s", c.String())
return common.Hash{}, e
}
return SubmitStakingTransaction(ctx, s.b, tx)
}
// 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 *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error) {
tx := new(types.Transaction)
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
return common.Hash{}, err
}
c := s.b.ChainConfig().ChainID
if tx.ChainID().Cmp(c) != 0 {
e := errors.Wrapf(errInvalidChainID, "current chain id:%s", c.String())
return common.Hash{}, e
}
return SubmitTransaction(ctx, s.b, tx)
}
// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
tx, blockHash, blockNumber, index := rawdb.ReadTransaction(s.b.ChainDb(), hash)
if tx == nil {
return nil, nil
}
receipts, err := s.b.GetReceipts(ctx, blockHash)
if err != nil {
return nil, err
}
if len(receipts) <= int(index) {
return nil, nil
}
receipt := receipts[index]
var signer types.Signer = types.FrontierSigner{}
if tx.Protected() {
signer = types.NewEIP155Signer(tx.ChainID())
}
fields := map[string]interface{}{
"blockHash": blockHash,
"blockNumber": hexutil.Uint64(blockNumber),
"transactionHash": hash,
"transactionIndex": hexutil.Uint64(index),
"shardID": tx.ShardID(),
"gasUsed": hexutil.Uint64(receipt.GasUsed),
"cumulativeGasUsed": hexutil.Uint64(receipt.CumulativeGasUsed),
"contractAddress": nil,
"logs": receipt.Logs,
"logsBloom": receipt.Bloom,
}
from, _ := types.Sender(signer, tx)
fields["from"] = from
fields["to"] = ""
if tx.To() != nil {
fields["to"], err = internal_common.AddressToBech32(*tx.To())
if err != nil {
return nil, err
}
fields["from"], err = internal_common.AddressToBech32(from)
if err != nil {
return nil, err
}
}
// Assign receipt status or post state.
if len(receipt.PostState) > 0 {
fields["root"] = hexutil.Bytes(receipt.PostState)
} else {
fields["status"] = hexutil.Uint(receipt.Status)
}
if receipt.Logs == nil {
fields["logs"] = [][]*types.Log{}
}
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
if receipt.ContractAddress != (common.Address{}) {
fields["contractAddress"] = receipt.ContractAddress
}
return fields, nil
}
// PendingTransactions returns the transactions that are in the transaction pool
// and have a from address that is one of the accounts this node manages.
func (s *PublicTransactionPoolAPI) PendingTransactions() ([]*RPCTransaction, error) {
pending, err := s.b.GetPoolTransactions()
if err != nil {
return nil, err
}
accounts := make(map[common.Address]struct{})
for _, wallet := range s.b.AccountManager().Wallets() {
for _, account := range wallet.Accounts() {
accounts[account.Address] = struct{}{}
}
}
transactions := make([]*RPCTransaction, 0, len(pending))
for _, tx := range pending {
var signer types.Signer = types.HomesteadSigner{}
if tx.Protected() {
signer = types.NewEIP155Signer(tx.ChainID())
}
from, _ := types.Sender(signer, tx)
if _, exists := accounts[from]; exists {
transactions = append(transactions, newRPCPendingTransaction(tx))
}
}
return transactions, nil
}
// GetCXReceiptByHash returns the transaction for the given hash
func (s *PublicTransactionPoolAPI) GetCXReceiptByHash(ctx context.Context, hash common.Hash) *RPCCXReceipt {
if cx, blockHash, blockNumber, _ := rawdb.ReadCXReceipt(s.b.ChainDb(), hash); cx != nil {
return newRPCCXReceipt(cx, blockHash, blockNumber)
}
return nil
}