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