mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-19 21:31:37 +00:00
3604 lines
123 KiB
Go
3604 lines
123 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethapi
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"math/big"
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"strings"
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"time"
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"github.com/XinFinOrg/XDPoSChain/XDCx/tradingstate"
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"github.com/XinFinOrg/XDPoSChain/XDCxlending/lendingstate"
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"github.com/XinFinOrg/XDPoSChain/accounts"
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"github.com/XinFinOrg/XDPoSChain/accounts/abi"
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"github.com/XinFinOrg/XDPoSChain/accounts/abi/bind"
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"github.com/XinFinOrg/XDPoSChain/accounts/keystore"
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"github.com/XinFinOrg/XDPoSChain/common"
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"github.com/XinFinOrg/XDPoSChain/common/hexutil"
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"github.com/XinFinOrg/XDPoSChain/common/math"
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"github.com/XinFinOrg/XDPoSChain/common/sort"
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"github.com/XinFinOrg/XDPoSChain/consensus"
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"github.com/XinFinOrg/XDPoSChain/consensus/XDPoS"
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"github.com/XinFinOrg/XDPoSChain/consensus/XDPoS/utils"
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"github.com/XinFinOrg/XDPoSChain/consensus/ethash"
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contractValidator "github.com/XinFinOrg/XDPoSChain/contracts/validator/contract"
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"github.com/XinFinOrg/XDPoSChain/core"
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"github.com/XinFinOrg/XDPoSChain/core/state"
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"github.com/XinFinOrg/XDPoSChain/core/types"
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"github.com/XinFinOrg/XDPoSChain/core/vm"
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"github.com/XinFinOrg/XDPoSChain/crypto"
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"github.com/XinFinOrg/XDPoSChain/log"
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"github.com/XinFinOrg/XDPoSChain/p2p"
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"github.com/XinFinOrg/XDPoSChain/params"
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"github.com/XinFinOrg/XDPoSChain/rlp"
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"github.com/XinFinOrg/XDPoSChain/rpc"
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"github.com/syndtr/goleveldb/leveldb"
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"github.com/syndtr/goleveldb/leveldb/util"
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)
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const (
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defaultGasPrice = 50 * params.Shannon
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// statuses of candidates
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statusMasternode = "MASTERNODE"
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statusSlashed = "SLASHED"
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statusProposed = "PROPOSED"
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fieldStatus = "status"
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fieldCapacity = "capacity"
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fieldCandidates = "candidates"
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fieldSuccess = "success"
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fieldEpoch = "epoch"
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)
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var errEmptyHeader = errors.New("empty header")
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// PublicEthereumAPI provides an API to access Ethereum related information.
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// It offers only methods that operate on public data that is freely available to anyone.
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type PublicEthereumAPI struct {
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b Backend
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}
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// NewPublicEthereumAPI creates a new Ethereum protocol API.
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func NewPublicEthereumAPI(b Backend) *PublicEthereumAPI {
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return &PublicEthereumAPI{b}
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}
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// GasPrice returns a suggestion for a gas price.
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func (s *PublicEthereumAPI) GasPrice(ctx context.Context) (*hexutil.Big, error) {
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price, err := s.b.SuggestPrice(ctx)
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return (*hexutil.Big)(price), err
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}
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// ProtocolVersion returns the current Ethereum protocol version this node supports
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func (s *PublicEthereumAPI) ProtocolVersion() hexutil.Uint {
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return hexutil.Uint(s.b.ProtocolVersion())
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}
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// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
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// yet received the latest block headers from its pears. In case it is synchronizing:
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// - startingBlock: block number this node started to synchronise from
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// - currentBlock: block number this node is currently importing
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// - highestBlock: block number of the highest block header this node has received from peers
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// - pulledStates: number of state entries processed until now
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// - knownStates: number of known state entries that still need to be pulled
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func (s *PublicEthereumAPI) Syncing() (interface{}, error) {
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progress := s.b.Downloader().Progress()
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// Return not syncing if the synchronisation already completed
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if progress.CurrentBlock >= progress.HighestBlock {
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return false, nil
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}
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// Otherwise gather the block sync stats
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return map[string]interface{}{
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"startingBlock": hexutil.Uint64(progress.StartingBlock),
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"currentBlock": hexutil.Uint64(progress.CurrentBlock),
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"highestBlock": hexutil.Uint64(progress.HighestBlock),
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"pulledStates": hexutil.Uint64(progress.PulledStates),
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"knownStates": hexutil.Uint64(progress.KnownStates),
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}, nil
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}
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// PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.
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type PublicTxPoolAPI struct {
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b Backend
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}
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// NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.
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func NewPublicTxPoolAPI(b Backend) *PublicTxPoolAPI {
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return &PublicTxPoolAPI{b}
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}
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// Content returns the transactions contained within the transaction pool.
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func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string]*RPCTransaction {
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content := map[string]map[string]map[string]*RPCTransaction{
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"pending": make(map[string]map[string]*RPCTransaction),
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"queued": make(map[string]map[string]*RPCTransaction),
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}
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pending, queue := s.b.TxPoolContent()
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// Flatten the pending transactions
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for account, txs := range pending {
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dump := make(map[string]*RPCTransaction)
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for _, tx := range txs {
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dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx)
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}
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content["pending"][account.Hex()] = dump
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}
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// Flatten the queued transactions
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for account, txs := range queue {
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dump := make(map[string]*RPCTransaction)
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for _, tx := range txs {
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dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx)
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}
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content["queued"][account.Hex()] = dump
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}
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return content
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}
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// Status returns the number of pending and queued transaction in the pool.
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func (s *PublicTxPoolAPI) Status() map[string]hexutil.Uint {
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pending, queue := s.b.Stats()
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return map[string]hexutil.Uint{
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"pending": hexutil.Uint(pending),
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"queued": hexutil.Uint(queue),
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}
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}
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// Inspect retrieves the content of the transaction pool and flattens it into an
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// easily inspectable list.
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func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string]string {
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content := map[string]map[string]map[string]string{
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"pending": make(map[string]map[string]string),
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"queued": make(map[string]map[string]string),
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}
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pending, queue := s.b.TxPoolContent()
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// Define a formatter to flatten a transaction into a string
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var format = func(tx *types.Transaction) string {
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if to := tx.To(); to != nil {
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return fmt.Sprintf("%s: %v wei + %v gas × %v wei", tx.To().Hex(), tx.Value(), tx.Gas(), tx.GasPrice())
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}
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return fmt.Sprintf("contract creation: %v wei + %v gas × %v wei", tx.Value(), tx.Gas(), tx.GasPrice())
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}
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// Flatten the pending transactions
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for account, txs := range pending {
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dump := make(map[string]string)
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for _, tx := range txs {
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dump[fmt.Sprintf("%d", tx.Nonce())] = format(tx)
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}
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content["pending"][account.Hex()] = dump
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}
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// Flatten the queued transactions
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for account, txs := range queue {
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dump := make(map[string]string)
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for _, tx := range txs {
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dump[fmt.Sprintf("%d", tx.Nonce())] = format(tx)
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}
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content["queued"][account.Hex()] = dump
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}
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return content
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}
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// PublicAccountAPI provides an API to access accounts managed by this node.
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// It offers only methods that can retrieve accounts.
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type PublicAccountAPI struct {
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am *accounts.Manager
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}
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// NewPublicAccountAPI creates a new PublicAccountAPI.
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func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
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return &PublicAccountAPI{am: am}
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}
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// Accounts returns the collection of accounts this node manages
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func (s *PublicAccountAPI) Accounts() []common.Address {
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addresses := make([]common.Address, 0) // return [] instead of nil if empty
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for _, wallet := range s.am.Wallets() {
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for _, account := range wallet.Accounts() {
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addresses = append(addresses, account.Address)
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}
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}
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return addresses
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}
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// PrivateAccountAPI provides an API to access accounts managed by this node.
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// It offers methods to create, (un)lock en list accounts. Some methods accept
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// passwords and are therefore considered private by default.
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type PrivateAccountAPI struct {
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am *accounts.Manager
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nonceLock *AddrLocker
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b Backend
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}
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// NewPrivateAccountAPI create a new PrivateAccountAPI.
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func NewPrivateAccountAPI(b Backend, nonceLock *AddrLocker) *PrivateAccountAPI {
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return &PrivateAccountAPI{
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am: b.AccountManager(),
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nonceLock: nonceLock,
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b: b,
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}
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}
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// ListAccounts will return a list of addresses for accounts this node manages.
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func (s *PrivateAccountAPI) ListAccounts() []common.Address {
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addresses := make([]common.Address, 0) // return [] instead of nil if empty
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for _, wallet := range s.am.Wallets() {
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for _, account := range wallet.Accounts() {
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addresses = append(addresses, account.Address)
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}
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}
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return addresses
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}
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// rawWallet is a JSON representation of an accounts.Wallet interface, with its
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// data contents extracted into plain fields.
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type rawWallet struct {
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URL string `json:"url"`
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Status string `json:"status"`
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Failure string `json:"failure,omitempty"`
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Accounts []accounts.Account `json:"accounts,omitempty"`
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}
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// ListWallets will return a list of wallets this node manages.
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func (s *PrivateAccountAPI) ListWallets() []rawWallet {
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wallets := make([]rawWallet, 0) // return [] instead of nil if empty
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for _, wallet := range s.am.Wallets() {
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status, failure := wallet.Status()
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raw := rawWallet{
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URL: wallet.URL().String(),
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Status: status,
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Accounts: wallet.Accounts(),
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}
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if failure != nil {
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raw.Failure = failure.Error()
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}
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wallets = append(wallets, raw)
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}
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return wallets
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}
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// OpenWallet initiates a hardware wallet opening procedure, establishing a USB
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// connection and attempting to authenticate via the provided passphrase. Note,
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// the method may return an extra challenge requiring a second open (e.g. the
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// Trezor PIN matrix challenge).
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func (s *PrivateAccountAPI) OpenWallet(url string, passphrase *string) error {
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wallet, err := s.am.Wallet(url)
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if err != nil {
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return err
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}
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pass := ""
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if passphrase != nil {
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pass = *passphrase
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}
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return wallet.Open(pass)
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}
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// DeriveAccount requests a HD wallet to derive a new account, optionally pinning
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// it for later reuse.
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func (s *PrivateAccountAPI) DeriveAccount(url string, path string, pin *bool) (accounts.Account, error) {
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wallet, err := s.am.Wallet(url)
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if err != nil {
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return accounts.Account{}, err
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}
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derivPath, err := accounts.ParseDerivationPath(path)
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if err != nil {
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return accounts.Account{}, err
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}
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if pin == nil {
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pin = new(bool)
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}
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return wallet.Derive(derivPath, *pin)
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}
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// NewAccount will create a new account and returns the address for the new account.
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func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
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acc, err := fetchKeystore(s.am).NewAccount(password)
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if err == nil {
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return acc.Address, nil
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}
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return common.Address{}, err
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}
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// fetchKeystore retrives the encrypted keystore from the account manager.
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func fetchKeystore(am *accounts.Manager) *keystore.KeyStore {
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return am.Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
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}
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// ImportRawKey stores the given hex encoded ECDSA key into the key directory,
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// encrypting it with the passphrase.
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func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error) {
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key, err := crypto.HexToECDSA(privkey)
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if err != nil {
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return common.Address{}, err
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}
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acc, err := fetchKeystore(s.am).ImportECDSA(key, password)
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return acc.Address, err
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}
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// UnlockAccount will unlock the account associated with the given address with
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// the given password for duration seconds. If duration is nil it will use a
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// default of 300 seconds. It returns an indication if the account was unlocked.
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func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *uint64) (bool, error) {
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const max = uint64(time.Duration(math.MaxInt64) / time.Second)
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var d time.Duration
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if duration == nil {
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d = 300 * time.Second
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} else if *duration > max {
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return false, errors.New("unlock duration too large")
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} else {
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d = time.Duration(*duration) * time.Second
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}
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err := fetchKeystore(s.am).TimedUnlock(accounts.Account{Address: addr}, password, d)
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return err == nil, err
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}
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// LockAccount will lock the account associated with the given address when it's unlocked.
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func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
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return fetchKeystore(s.am).Lock(addr) == nil
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}
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// signTransactions sets defaults and signs the given transaction
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// NOTE: the caller needs to ensure that the nonceLock is held, if applicable,
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// and release it after the transaction has been submitted to the tx pool
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func (s *PrivateAccountAPI) signTransaction(ctx context.Context, args SendTxArgs, passwd string) (*types.Transaction, 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.am.Find(account)
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if err != nil {
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return nil, err
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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 nil, 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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var chainID *big.Int
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if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
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chainID = config.ChainId
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}
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return wallet.SignTxWithPassphrase(account, passwd, tx, chainID)
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}
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// SendTransaction will create a transaction from the given arguments and
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// tries to sign it with the key associated with args.To. If the given passwd isn't
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// able to decrypt the key it fails.
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func (s *PrivateAccountAPI) SendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
|
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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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signed, err := s.signTransaction(ctx, args, passwd)
|
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if err != nil {
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return common.Hash{}, err
|
||
}
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return SubmitTransaction(ctx, s.b, signed)
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}
|
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|
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// SignTransaction will create a transaction from the given arguments and
|
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// tries to sign it with the key associated with args.To. If the given passwd isn't
|
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// able to decrypt the key it fails. The transaction is returned in RLP-form, not broadcast
|
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// to other nodes
|
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func (s *PrivateAccountAPI) SignTransaction(ctx context.Context, args SendTxArgs, passwd string) (*SignTransactionResult, error) {
|
||
// No need to obtain the noncelock mutex, since we won't be sending this
|
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// tx into the transaction pool, but right back to the user
|
||
if args.Gas == nil {
|
||
return nil, fmt.Errorf("gas not specified")
|
||
}
|
||
if args.GasPrice == nil {
|
||
return nil, fmt.Errorf("gasPrice not specified")
|
||
}
|
||
if args.Nonce == nil {
|
||
return nil, fmt.Errorf("nonce not specified")
|
||
}
|
||
signed, err := s.signTransaction(ctx, args, passwd)
|
||
if err != nil {
|
||
log.Warn("Failed transaction sign attempt", "from", args.From, "to", args.To, "value", args.Value.ToInt(), "err", err)
|
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return nil, err
|
||
}
|
||
data, err := signed.MarshalBinary()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return &SignTransactionResult{data, signed}, nil
|
||
}
|
||
|
||
// signHash is a helper function that calculates a hash for the given message that can be
|
||
// safely used to calculate a signature from.
|
||
//
|
||
// The hash is calulcated as
|
||
//
|
||
// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
|
||
//
|
||
// This gives context to the signed message and prevents signing of transactions.
|
||
func signHash(data []byte) []byte {
|
||
msg := fmt.Sprintf("\x19Ethereum Signed Message:\n%d%s", len(data), data)
|
||
return crypto.Keccak256([]byte(msg))
|
||
}
|
||
|
||
// Sign calculates an Ethereum ECDSA signature for:
|
||
// keccack256("\x19Ethereum Signed Message:\n" + len(message) + message))
|
||
//
|
||
// Note, the produced signature conforms to the secp256k1 curve R, S and V values,
|
||
// where the V value will be 27 or 28 for legacy reasons.
|
||
//
|
||
// The key used to calculate the signature is decrypted with the given password.
|
||
//
|
||
// https://github.com/XinFinOrg/XDPoSChain/wiki/Management-APIs#personal_sign
|
||
func (s *PrivateAccountAPI) Sign(ctx context.Context, data hexutil.Bytes, addr common.Address, passwd string) (hexutil.Bytes, error) {
|
||
// Look up the wallet containing the requested signer
|
||
account := accounts.Account{Address: addr}
|
||
|
||
wallet, err := s.b.AccountManager().Find(account)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
// Assemble sign the data with the wallet
|
||
signature, err := wallet.SignHashWithPassphrase(account, passwd, signHash(data))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
signature[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
|
||
return signature, nil
|
||
}
|
||
|
||
// EcRecover returns the address for the account that was used to create the signature.
|
||
// Note, this function is compatible with eth_sign and personal_sign. As such it recovers
|
||
// the address of:
|
||
// hash = keccak256("\x19Ethereum Signed Message:\n"${message length}${message})
|
||
// addr = ecrecover(hash, signature)
|
||
//
|
||
// Note, the signature must conform to the secp256k1 curve R, S and V values, where
|
||
// the V value must be be 27 or 28 for legacy reasons.
|
||
//
|
||
// https://github.com/XinFinOrg/XDPoSChain/wiki/Management-APIs#personal_ecRecover
|
||
func (s *PrivateAccountAPI) EcRecover(ctx context.Context, data, sig hexutil.Bytes) (common.Address, error) {
|
||
if len(sig) != crypto.SignatureLength {
|
||
return common.Address{}, fmt.Errorf("signature must be %d bytes long", crypto.SignatureLength)
|
||
}
|
||
if sig[crypto.RecoveryIDOffset] != 27 && sig[crypto.RecoveryIDOffset] != 28 {
|
||
return common.Address{}, fmt.Errorf("invalid Ethereum signature (V is not 27 or 28)")
|
||
}
|
||
sig[crypto.RecoveryIDOffset] -= 27 // Transform yellow paper V from 27/28 to 0/1
|
||
|
||
rpk, err := crypto.SigToPub(accounts.TextHash(data), sig)
|
||
if err != nil {
|
||
return common.Address{}, err
|
||
}
|
||
return crypto.PubkeyToAddress(*rpk), nil
|
||
}
|
||
|
||
// SignAndSendTransaction was renamed to SendTransaction. This method is deprecated
|
||
// and will be removed in the future. It primary goal is to give clients time to update.
|
||
func (s *PrivateAccountAPI) SignAndSendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
|
||
return s.SendTransaction(ctx, args, passwd)
|
||
}
|
||
|
||
// PublicBlockChainAPI provides an API to access the Ethereum blockchain.
|
||
// It offers only methods that operate on public data that is freely available to anyone.
|
||
type PublicBlockChainAPI struct {
|
||
b Backend
|
||
chainReader consensus.ChainReader
|
||
}
|
||
|
||
// NewPublicBlockChainAPI creates a new Ethereum blockchain API.
|
||
func NewPublicBlockChainAPI(b Backend, chainReader consensus.ChainReader) *PublicBlockChainAPI {
|
||
return &PublicBlockChainAPI{
|
||
b,
|
||
chainReader,
|
||
}
|
||
}
|
||
|
||
// BlockNumber returns the block number of the chain head.
|
||
func (s *PublicBlockChainAPI) BlockNumber() hexutil.Uint64 {
|
||
header, _ := s.b.HeaderByNumber(context.Background(), rpc.LatestBlockNumber) // latest header should always be available
|
||
return hexutil.Uint64(header.Number.Uint64())
|
||
}
|
||
|
||
// BlockNumber returns the block number of the chain head.
|
||
func (s *PublicBlockChainAPI) GetRewardByHash(hash common.Hash) map[string]map[string]map[string]*big.Int {
|
||
return s.b.GetRewardByHash(hash)
|
||
}
|
||
|
||
// GetBalance returns the amount of wei for the given address in the state of the
|
||
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
|
||
// block numbers are also allowed.
|
||
func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Big, error) {
|
||
state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return nil, err
|
||
}
|
||
return (*hexutil.Big)(state.GetBalance(address)), state.Error()
|
||
}
|
||
|
||
// GetTransactionAndReceiptProof returns the Trie transaction and receipt proof of the given transaction hash.
|
||
func (s *PublicBlockChainAPI) GetTransactionAndReceiptProof(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
|
||
tx, blockHash, _, index := core.GetTransaction(s.b.ChainDb(), hash)
|
||
if tx == nil {
|
||
return nil, nil
|
||
}
|
||
block, err := s.b.GetBlock(ctx, blockHash)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
tx_tr := deriveTrie(block.Transactions())
|
||
|
||
keybuf := new(bytes.Buffer)
|
||
rlp.Encode(keybuf, uint(index))
|
||
var tx_proof proofPairList
|
||
if err := tx_tr.Prove(keybuf.Bytes(), 0, &tx_proof); err != nil {
|
||
return nil, err
|
||
}
|
||
receipts, err := s.b.GetReceipts(ctx, blockHash)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if len(receipts) <= int(index) {
|
||
return nil, nil
|
||
}
|
||
receipt_tr := deriveTrie(receipts)
|
||
var receipt_proof proofPairList
|
||
if err := receipt_tr.Prove(keybuf.Bytes(), 0, &receipt_proof); err != nil {
|
||
return nil, err
|
||
}
|
||
fields := map[string]interface{}{
|
||
"blockHash": blockHash,
|
||
"txRoot": tx_tr.Hash(),
|
||
"receiptRoot": receipt_tr.Hash(),
|
||
"key": hexutil.Encode(keybuf.Bytes()),
|
||
"txProofKeys": tx_proof.keys,
|
||
"txProofValues": tx_proof.values,
|
||
"receiptProofKeys": receipt_proof.keys,
|
||
"receiptProofValues": receipt_proof.values,
|
||
}
|
||
return fields, nil
|
||
}
|
||
|
||
// GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all
|
||
// transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
||
func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
|
||
block, err := s.b.BlockByNumber(ctx, blockNr)
|
||
if block != nil {
|
||
response, err := s.rpcOutputBlock(block, true, fullTx, ctx)
|
||
if err == nil && blockNr == rpc.PendingBlockNumber {
|
||
// Pending blocks need to nil out a few fields
|
||
for _, field := range []string{"hash", "nonce", "miner"} {
|
||
response[field] = nil
|
||
}
|
||
}
|
||
return response, err
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
// GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
|
||
// detail, otherwise only the transaction hash is returned.
|
||
func (s *PublicBlockChainAPI) GetBlockByHash(ctx context.Context, blockHash common.Hash, fullTx bool) (map[string]interface{}, error) {
|
||
block, err := s.b.GetBlock(ctx, blockHash)
|
||
if block != nil {
|
||
return s.rpcOutputBlock(block, true, fullTx, ctx)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
// GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
||
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
||
func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index hexutil.Uint) (map[string]interface{}, error) {
|
||
block, err := s.b.BlockByNumber(ctx, blockNr)
|
||
if block != nil {
|
||
uncles := block.Uncles()
|
||
if index >= hexutil.Uint(len(uncles)) {
|
||
log.Debug("Requested uncle not found", "number", blockNr, "hash", block.Hash(), "index", index)
|
||
return nil, nil
|
||
}
|
||
block = types.NewBlockWithHeader(uncles[index])
|
||
return s.rpcOutputBlock(block, false, false, ctx)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
// GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
||
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
||
// DEPRECATED SINCE 1.0
|
||
func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index hexutil.Uint) (map[string]interface{}, error) {
|
||
block, err := s.b.GetBlock(ctx, blockHash)
|
||
if block != nil {
|
||
uncles := block.Uncles()
|
||
if index >= hexutil.Uint(len(uncles)) {
|
||
log.Debug("Requested uncle not found", "number", block.Number(), "hash", blockHash, "index", index)
|
||
return nil, nil
|
||
}
|
||
block = types.NewBlockWithHeader(uncles[index])
|
||
return s.rpcOutputBlock(block, false, false, ctx)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
// GetUncleCountByBlockNumber returns number of uncles in the block for the given block number
|
||
// DEPRECATED SINCE 1.0
|
||
func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(ctx context.Context, blockNr rpc.BlockNumber) *hexutil.Uint {
|
||
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
|
||
n := hexutil.Uint(len(block.Uncles()))
|
||
return &n
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// GetUncleCountByBlockHash returns number of uncles in the block for the given block hash
|
||
// DEPRECATED SINCE 1.0
|
||
func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(ctx context.Context, blockHash common.Hash) *hexutil.Uint {
|
||
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
||
n := hexutil.Uint(len(block.Uncles()))
|
||
return &n
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// GetCode returns the code stored at the given address in the state for the given block number.
|
||
func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
|
||
state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return nil, err
|
||
}
|
||
code := state.GetCode(address)
|
||
return code, state.Error()
|
||
}
|
||
|
||
// GetAccountInfo returns the information at the given address in the state for the given block number.
|
||
func (s *PublicBlockChainAPI) GetAccountInfo(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (map[string]interface{}, error) {
|
||
state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return nil, err
|
||
}
|
||
info := state.GetAccountInfo(address)
|
||
result := map[string]interface{}{
|
||
"address": address,
|
||
"balance": (*hexutil.Big)(info.Balance),
|
||
"codeSize": info.CodeSize,
|
||
"codeHash": info.CodeHash,
|
||
"nonce": info.Nonce,
|
||
"storageHash": info.StorageHash,
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
// GetStorageAt returns the storage from the state at the given address, key and
|
||
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
|
||
// numbers are also allowed.
|
||
func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
|
||
state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return nil, err
|
||
}
|
||
res := state.GetState(address, common.HexToHash(key))
|
||
return res[:], state.Error()
|
||
}
|
||
|
||
// OverrideAccount indicates the overriding fields of account during the execution
|
||
// of a message call.
|
||
// Note, state and stateDiff can't be specified at the same time. If state is
|
||
// set, message execution will only use the data in the given state. Otherwise
|
||
// if statDiff is set, all diff will be applied first and then execute the call
|
||
// message.
|
||
type OverrideAccount struct {
|
||
Nonce *hexutil.Uint64 `json:"nonce"`
|
||
Code *hexutil.Bytes `json:"code"`
|
||
Balance **hexutil.Big `json:"balance"`
|
||
State *map[common.Hash]common.Hash `json:"state"`
|
||
StateDiff *map[common.Hash]common.Hash `json:"stateDiff"`
|
||
}
|
||
|
||
// StateOverride is the collection of overridden accounts.
|
||
type StateOverride map[common.Address]OverrideAccount
|
||
|
||
// Apply overrides the fields of specified accounts into the given state.
|
||
func (diff *StateOverride) Apply(state *state.StateDB) error {
|
||
if diff == nil {
|
||
return nil
|
||
}
|
||
for addr, account := range *diff {
|
||
// Override account nonce.
|
||
if account.Nonce != nil {
|
||
state.SetNonce(addr, uint64(*account.Nonce))
|
||
}
|
||
// Override account(contract) code.
|
||
if account.Code != nil {
|
||
state.SetCode(addr, *account.Code)
|
||
}
|
||
// Override account balance.
|
||
if account.Balance != nil {
|
||
state.SetBalance(addr, (*big.Int)(*account.Balance))
|
||
}
|
||
if account.State != nil && account.StateDiff != nil {
|
||
return fmt.Errorf("account %s has both 'state' and 'stateDiff'", addr.Hex())
|
||
}
|
||
// Replace entire state if caller requires.
|
||
if account.State != nil {
|
||
state.SetStorage(addr, *account.State)
|
||
}
|
||
// Apply state diff into specified accounts.
|
||
if account.StateDiff != nil {
|
||
for key, value := range *account.StateDiff {
|
||
state.SetState(addr, key, value)
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func (s *PublicBlockChainAPI) GetBlockSignersByHash(ctx context.Context, blockHash common.Hash) ([]common.Address, error) {
|
||
block, err := s.b.GetBlock(ctx, blockHash)
|
||
if err != nil || block == nil {
|
||
return []common.Address{}, err
|
||
}
|
||
masternodes, err := s.GetMasternodes(ctx, block)
|
||
if err != nil || len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
|
||
return []common.Address{}, err
|
||
}
|
||
return s.rpcOutputBlockSigners(block, ctx, masternodes)
|
||
}
|
||
|
||
func (s *PublicBlockChainAPI) GetBlockSignersByNumber(ctx context.Context, blockNumber rpc.BlockNumber) ([]common.Address, error) {
|
||
block, err := s.b.BlockByNumber(ctx, blockNumber)
|
||
if err != nil || block == nil {
|
||
return []common.Address{}, err
|
||
}
|
||
masternodes, err := s.GetMasternodes(ctx, block)
|
||
if err != nil || len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
|
||
return []common.Address{}, err
|
||
}
|
||
return s.rpcOutputBlockSigners(block, ctx, masternodes)
|
||
}
|
||
|
||
func (s *PublicBlockChainAPI) GetBlockFinalityByHash(ctx context.Context, blockHash common.Hash) (uint, error) {
|
||
block, err := s.b.GetBlock(ctx, blockHash)
|
||
if err != nil || block == nil {
|
||
return uint(0), err
|
||
}
|
||
masternodes, err := s.GetMasternodes(ctx, block)
|
||
if err != nil || len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
|
||
return uint(0), err
|
||
}
|
||
return s.findFinalityOfBlock(ctx, block, masternodes)
|
||
}
|
||
|
||
func (s *PublicBlockChainAPI) GetBlockFinalityByNumber(ctx context.Context, blockNumber rpc.BlockNumber) (uint, error) {
|
||
block, err := s.b.BlockByNumber(ctx, blockNumber)
|
||
if err != nil || block == nil {
|
||
return uint(0), err
|
||
}
|
||
masternodes, err := s.GetMasternodes(ctx, block)
|
||
if err != nil || len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
|
||
return uint(0), err
|
||
}
|
||
return s.findFinalityOfBlock(ctx, block, masternodes)
|
||
}
|
||
|
||
// GetMasternodes returns masternodes set at the starting block of epoch of the given block
|
||
func (s *PublicBlockChainAPI) GetMasternodes(ctx context.Context, b *types.Block) ([]common.Address, error) {
|
||
var masternodes []common.Address
|
||
if b.Number().Int64() >= 0 {
|
||
curBlockNumber := b.Number().Uint64()
|
||
prevBlockNumber := curBlockNumber + (common.MergeSignRange - (curBlockNumber % common.MergeSignRange))
|
||
latestBlockNumber := s.b.CurrentBlock().Number().Uint64()
|
||
if prevBlockNumber >= latestBlockNumber || !s.b.ChainConfig().IsTIP2019(b.Number()) {
|
||
prevBlockNumber = curBlockNumber
|
||
}
|
||
if engine, ok := s.b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
// Get block epoc latest.
|
||
return engine.GetMasternodesByNumber(s.chainReader, prevBlockNumber), nil
|
||
} else {
|
||
log.Error("Undefined XDPoS consensus engine")
|
||
}
|
||
}
|
||
return masternodes, nil
|
||
}
|
||
|
||
// GetCandidateStatus returns status of the given candidate at a specified epochNumber
|
||
func (s *PublicBlockChainAPI) GetCandidateStatus(ctx context.Context, coinbaseAddress common.Address, epoch rpc.EpochNumber) (map[string]interface{}, error) {
|
||
var (
|
||
block *types.Block
|
||
header *types.Header
|
||
checkpointNumber rpc.BlockNumber
|
||
epochNumber rpc.EpochNumber // if epoch == "latest", print the latest epoch number to epochNumber
|
||
masternodes, penaltyList []common.Address
|
||
candidates []utils.Masternode
|
||
penalties []byte
|
||
err error
|
||
)
|
||
|
||
result := map[string]interface{}{
|
||
fieldStatus: "",
|
||
fieldCapacity: 0,
|
||
fieldSuccess: true,
|
||
}
|
||
|
||
epochConfig := s.b.ChainConfig().XDPoS.Epoch
|
||
|
||
// checkpoint block
|
||
checkpointNumber, epochNumber = s.GetPreviousCheckpointFromEpoch(ctx, epoch)
|
||
result[fieldEpoch] = epochNumber.Int64()
|
||
|
||
block, err = s.b.BlockByNumber(ctx, checkpointNumber)
|
||
if err != nil || block == nil { // || checkpointNumber == 0 {
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
|
||
header = block.Header()
|
||
if header == nil {
|
||
log.Error("Empty header at checkpoint ", "num", checkpointNumber)
|
||
return result, errEmptyHeader
|
||
}
|
||
|
||
// list of candidates (masternode, slash, propose) at block checkpoint
|
||
if epoch == rpc.LatestEpochNumber {
|
||
candidates, err = s.getCandidatesFromSmartContract()
|
||
} else {
|
||
statedb, _, err := s.b.StateAndHeaderByNumber(ctx, checkpointNumber)
|
||
if err != nil {
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
candidatesAddresses := state.GetCandidates(statedb)
|
||
candidates = make([]utils.Masternode, 0, len(candidatesAddresses))
|
||
for _, address := range candidatesAddresses {
|
||
v := state.GetCandidateCap(statedb, address)
|
||
candidates = append(candidates, utils.Masternode{Address: address, Stake: v})
|
||
}
|
||
}
|
||
if err != nil || len(candidates) == 0 {
|
||
log.Debug("Candidates list cannot be found", "len(candidates)", len(candidates), "err", err)
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
|
||
var maxMasternodes int
|
||
if header.Number.Cmp(s.b.ChainConfig().XDPoS.V2.SwitchBlock) == 1 {
|
||
if engine, ok := s.b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
round, err := engine.EngineV2.GetRoundNumber(header)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
maxMasternodes = s.b.ChainConfig().XDPoS.V2.Config(uint64(round)).MaxMasternodes
|
||
} else {
|
||
return result, fmt.Errorf("undefined XDPoS consensus engine")
|
||
}
|
||
} else if s.b.ChainConfig().IsTIPIncreaseMasternodes(block.Number()) {
|
||
maxMasternodes = common.MaxMasternodesV2
|
||
} else {
|
||
maxMasternodes = common.MaxMasternodes
|
||
}
|
||
|
||
// check penalties from checkpoint headers and modify status of a node to SLASHED if it's in top maxMasternodes candidates.
|
||
// if it's SLASHED but it's out of top maxMasternodes, the status should be still PROPOSED.
|
||
isCandidate := false
|
||
for i := 0; i < len(candidates); i++ {
|
||
if coinbaseAddress == candidates[i].Address {
|
||
isCandidate = true
|
||
result[fieldStatus] = statusProposed
|
||
result[fieldCapacity] = candidates[i].Stake
|
||
break
|
||
}
|
||
}
|
||
|
||
// Get masternode list
|
||
if engine, ok := s.b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
masternodes = engine.GetMasternodesFromCheckpointHeader(header)
|
||
if len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes), "blockNum", header.Number.Uint64())
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
} else {
|
||
log.Error("Undefined XDPoS consensus engine")
|
||
}
|
||
|
||
// Set to statusMasternode if it is masternode
|
||
for _, masternode := range masternodes {
|
||
if coinbaseAddress == masternode {
|
||
result[fieldStatus] = statusMasternode
|
||
if !isCandidate {
|
||
result[fieldCapacity] = -1
|
||
log.Warn("Find non-candidate masternode", "masternode", masternode.String(), "checkpointNumber", checkpointNumber, "epoch", epoch, "epochNumber", epochNumber)
|
||
}
|
||
return result, nil
|
||
}
|
||
}
|
||
|
||
if !isCandidate || len(masternodes) >= maxMasternodes {
|
||
return result, nil
|
||
}
|
||
|
||
if len(candidates) > maxMasternodes {
|
||
sort.Slice(candidates, func(i, j int) bool {
|
||
return candidates[i].Stake.Cmp(candidates[j].Stake) > 0
|
||
})
|
||
}
|
||
|
||
// Get penalties list
|
||
penalties = append(penalties, header.Penalties...)
|
||
// check last 5 epochs to find penalize masternodes
|
||
for i := 1; i <= common.LimitPenaltyEpoch; i++ {
|
||
if header.Number.Uint64() < epochConfig*uint64(i) {
|
||
break
|
||
}
|
||
blockNum := header.Number.Uint64() - epochConfig*uint64(i)
|
||
checkpointHeader, err := s.b.HeaderByNumber(ctx, rpc.BlockNumber(blockNum))
|
||
if checkpointHeader == nil || err != nil {
|
||
log.Error("Failed to get header by number", "num", blockNum, "err", err)
|
||
continue
|
||
}
|
||
penalties = append(penalties, checkpointHeader.Penalties...)
|
||
}
|
||
penaltyList = common.ExtractAddressFromBytes(penalties)
|
||
|
||
// map slashing status
|
||
total := len(masternodes)
|
||
for _, candidate := range candidates {
|
||
for _, pen := range penaltyList {
|
||
if candidate.Address == pen {
|
||
if coinbaseAddress == pen {
|
||
result[fieldStatus] = statusSlashed
|
||
return result, nil
|
||
}
|
||
total++
|
||
if total >= maxMasternodes {
|
||
return result, nil
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return result, nil
|
||
}
|
||
|
||
// GetCandidates returns status of all candidates at a specified epochNumber
|
||
func (s *PublicBlockChainAPI) GetCandidates(ctx context.Context, epoch rpc.EpochNumber) (map[string]interface{}, error) {
|
||
var (
|
||
block *types.Block
|
||
header *types.Header
|
||
checkpointNumber rpc.BlockNumber
|
||
epochNumber rpc.EpochNumber
|
||
masternodes []common.Address
|
||
penaltyList []common.Address
|
||
candidates []utils.Masternode
|
||
penalties []byte
|
||
err error
|
||
)
|
||
result := map[string]interface{}{
|
||
fieldSuccess: true,
|
||
}
|
||
epochConfig := s.b.ChainConfig().XDPoS.Epoch
|
||
|
||
checkpointNumber, epochNumber = s.GetPreviousCheckpointFromEpoch(ctx, epoch)
|
||
result[fieldEpoch] = epochNumber.Int64()
|
||
|
||
block, err = s.b.BlockByNumber(ctx, checkpointNumber)
|
||
if err != nil || block == nil { // || checkpointNumber == 0 {
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
|
||
header = block.Header()
|
||
|
||
if header == nil {
|
||
log.Error("Empty header at checkpoint", "num", checkpointNumber)
|
||
return result, errEmptyHeader
|
||
}
|
||
// list of candidates (masternode, slash, propose) at block checkpoint
|
||
if epoch == rpc.LatestEpochNumber {
|
||
candidates, err = s.getCandidatesFromSmartContract()
|
||
} else {
|
||
statedb, _, err := s.b.StateAndHeaderByNumber(ctx, checkpointNumber)
|
||
if err != nil {
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
candidatesAddresses := state.GetCandidates(statedb)
|
||
candidates = make([]utils.Masternode, 0, len(candidatesAddresses))
|
||
for _, address := range candidatesAddresses {
|
||
v := state.GetCandidateCap(statedb, address)
|
||
candidates = append(candidates, utils.Masternode{Address: address, Stake: v})
|
||
}
|
||
}
|
||
|
||
if err != nil || len(candidates) == 0 {
|
||
log.Debug("Candidates list cannot be found", "len(candidates)", len(candidates), "err", err)
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
|
||
// Find candidates that have masternode status
|
||
if engine, ok := s.b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
masternodes = engine.GetMasternodesFromCheckpointHeader(header)
|
||
if len(masternodes) == 0 {
|
||
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes), "blockNum", header.Number.Uint64())
|
||
result[fieldSuccess] = false
|
||
return result, err
|
||
}
|
||
} else {
|
||
log.Error("Undefined XDPoS consensus engine")
|
||
}
|
||
|
||
// Set all candidate to statusProposed
|
||
candidatesStatusMap := make(map[string]map[string]interface{}, len(candidates))
|
||
for _, candidate := range candidates {
|
||
candidatesStatusMap[candidate.Address.String()] = map[string]interface{}{
|
||
fieldStatus: statusProposed,
|
||
fieldCapacity: candidate.Stake,
|
||
}
|
||
}
|
||
|
||
// Set masternodes to statusMasternode
|
||
for _, masternode := range masternodes {
|
||
key := masternode.String()
|
||
if candidatesStatusMap[key] != nil {
|
||
candidatesStatusMap[key][fieldStatus] = statusMasternode
|
||
} else {
|
||
candidatesStatusMap[key] = map[string]interface{}{
|
||
fieldStatus: statusMasternode,
|
||
fieldCapacity: -1,
|
||
}
|
||
log.Warn("Masternode is not candidate", "masternode", key, "checkpointNumber", checkpointNumber, "epoch", epoch, "epochNumber", epochNumber)
|
||
}
|
||
}
|
||
|
||
var maxMasternodes int
|
||
if header.Number.Cmp(s.b.ChainConfig().XDPoS.V2.SwitchBlock) == 1 {
|
||
if engine, ok := s.b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
round, err := engine.EngineV2.GetRoundNumber(header)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
maxMasternodes = s.b.ChainConfig().XDPoS.V2.Config(uint64(round)).MaxMasternodes
|
||
} else {
|
||
return result, fmt.Errorf("undefined XDPoS consensus engine")
|
||
}
|
||
} else if s.b.ChainConfig().IsTIPIncreaseMasternodes(block.Number()) {
|
||
maxMasternodes = common.MaxMasternodesV2
|
||
} else {
|
||
maxMasternodes = common.MaxMasternodes
|
||
}
|
||
|
||
if len(masternodes) >= maxMasternodes {
|
||
result[fieldCandidates] = candidatesStatusMap
|
||
return result, nil
|
||
}
|
||
|
||
if len(candidates) > maxMasternodes {
|
||
sort.Slice(candidates, func(i, j int) bool {
|
||
return candidates[i].Stake.Cmp(candidates[j].Stake) > 0
|
||
})
|
||
}
|
||
|
||
// Get penalties list
|
||
penalties = append(penalties, header.Penalties...)
|
||
// check last 5 epochs to find penalize masternodes
|
||
for i := 1; i <= common.LimitPenaltyEpoch; i++ {
|
||
if header.Number.Uint64() < epochConfig*uint64(i) {
|
||
break
|
||
}
|
||
blockNum := header.Number.Uint64() - epochConfig*uint64(i)
|
||
checkpointHeader, err := s.b.HeaderByNumber(ctx, rpc.BlockNumber(blockNum))
|
||
if checkpointHeader == nil || err != nil {
|
||
log.Error("Failed to get header by number", "num", blockNum, "err", err)
|
||
continue
|
||
}
|
||
penalties = append(penalties, checkpointHeader.Penalties...)
|
||
}
|
||
// map slashing status
|
||
if len(penalties) == 0 {
|
||
result[fieldCandidates] = candidatesStatusMap
|
||
return result, nil
|
||
}
|
||
penaltyList = common.ExtractAddressFromBytes(penalties)
|
||
|
||
// check penalties from checkpoint headers and modify status of a node to SLASHED if it's in top maxMasternodes candidates.
|
||
// if it's SLASHED but it's out of top maxMasternodes, the status should be still PROPOSED.
|
||
total := len(masternodes)
|
||
for _, candidate := range candidates {
|
||
for _, pen := range penaltyList {
|
||
if candidate.Address == pen {
|
||
candidatesStatusMap[pen.String()][fieldStatus] = statusSlashed
|
||
total++
|
||
if total >= maxMasternodes {
|
||
result[fieldCandidates] = candidatesStatusMap
|
||
return result, nil
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// update result
|
||
result[fieldCandidates] = candidatesStatusMap
|
||
return result, nil
|
||
}
|
||
|
||
// GetPreviousCheckpointFromEpoch returns header of the previous checkpoint
|
||
func (s *PublicBlockChainAPI) GetPreviousCheckpointFromEpoch(ctx context.Context, epochNum rpc.EpochNumber) (rpc.BlockNumber, rpc.EpochNumber) {
|
||
var checkpointNumber uint64
|
||
epoch := s.b.ChainConfig().XDPoS.Epoch
|
||
|
||
if epochNum == rpc.LatestEpochNumber {
|
||
blockNumer := s.b.CurrentBlock().Number().Uint64()
|
||
diff := blockNumer % epoch
|
||
// checkpoint number
|
||
checkpointNumber = blockNumer - diff
|
||
epochNum = rpc.EpochNumber(checkpointNumber / epoch)
|
||
if diff > 0 {
|
||
epochNum += 1
|
||
}
|
||
} else if epochNum < 2 {
|
||
checkpointNumber = 0
|
||
} else {
|
||
checkpointNumber = epoch * (uint64(epochNum) - 1)
|
||
}
|
||
return rpc.BlockNumber(checkpointNumber), epochNum
|
||
}
|
||
|
||
// getCandidatesFromSmartContract returns all candidates with their capacities at the current time
|
||
func (s *PublicBlockChainAPI) getCandidatesFromSmartContract() ([]utils.Masternode, error) {
|
||
client, err := s.b.GetIPCClient()
|
||
if err != nil {
|
||
return []utils.Masternode{}, err
|
||
}
|
||
|
||
addr := common.HexToAddress(common.MasternodeVotingSMC)
|
||
validator, err := contractValidator.NewXDCValidator(addr, client)
|
||
if err != nil {
|
||
return []utils.Masternode{}, err
|
||
}
|
||
|
||
opts := new(bind.CallOpts)
|
||
candidates, err := validator.GetCandidates(opts)
|
||
if err != nil {
|
||
return []utils.Masternode{}, err
|
||
}
|
||
|
||
candidatesWithStakeInfo := make([]utils.Masternode, 0, len(candidates))
|
||
|
||
for _, candidate := range candidates {
|
||
if !candidate.IsZero() {
|
||
v, err := validator.GetCandidateCap(opts, candidate)
|
||
if err != nil {
|
||
return []utils.Masternode{}, err
|
||
}
|
||
|
||
candidatesWithStakeInfo = append(candidatesWithStakeInfo, utils.Masternode{Address: candidate, Stake: v})
|
||
}
|
||
}
|
||
|
||
return candidatesWithStakeInfo, nil
|
||
}
|
||
|
||
// CallArgs represents the arguments for a call.
|
||
type CallArgs struct {
|
||
From *common.Address `json:"from"`
|
||
To *common.Address `json:"to"`
|
||
Gas *hexutil.Uint64 `json:"gas"`
|
||
GasPrice *hexutil.Big `json:"gasPrice"`
|
||
Value *hexutil.Big `json:"value"`
|
||
Data *hexutil.Bytes `json:"data"`
|
||
AccessList *types.AccessList `json:"accessList"`
|
||
}
|
||
|
||
// ToMessage converts CallArgs to the Message type used by the core evm
|
||
// TODO: set balanceTokenFee
|
||
func (args *CallArgs) ToMessage(b Backend, number *big.Int, globalGasCap uint64) types.Message {
|
||
// Set sender address or use a default if none specified
|
||
var addr common.Address
|
||
if args.From == nil || *args.From == (common.Address{}) {
|
||
if wallets := b.AccountManager().Wallets(); len(wallets) > 0 {
|
||
if accounts := wallets[0].Accounts(); len(accounts) > 0 {
|
||
addr = accounts[0].Address
|
||
}
|
||
}
|
||
} else {
|
||
addr = *args.From
|
||
}
|
||
|
||
// Set default gas & gas price if none were set
|
||
gas := globalGasCap
|
||
if gas == 0 {
|
||
gas = uint64(math.MaxUint64 / 2)
|
||
}
|
||
if args.Gas != nil {
|
||
gas = uint64(*args.Gas)
|
||
}
|
||
if globalGasCap != 0 && globalGasCap < gas {
|
||
log.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
|
||
gas = globalGasCap
|
||
}
|
||
gasPrice := new(big.Int)
|
||
if args.GasPrice != nil {
|
||
gasPrice = args.GasPrice.ToInt()
|
||
}
|
||
if gasPrice.Sign() <= 0 {
|
||
gasPrice = new(big.Int).SetUint64(defaultGasPrice)
|
||
}
|
||
|
||
value := new(big.Int)
|
||
if args.Value != nil {
|
||
value = args.Value.ToInt()
|
||
}
|
||
|
||
var data []byte
|
||
if args.Data != nil {
|
||
data = *args.Data
|
||
}
|
||
|
||
var accessList types.AccessList
|
||
if args.AccessList != nil {
|
||
accessList = *args.AccessList
|
||
}
|
||
|
||
balanceTokenFee := big.NewInt(0).SetUint64(gas)
|
||
balanceTokenFee = balanceTokenFee.Mul(balanceTokenFee, gasPrice)
|
||
|
||
// Create new call message
|
||
msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, accessList, false, balanceTokenFee, number)
|
||
return msg
|
||
}
|
||
|
||
func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride, vmCfg vm.Config, timeout time.Duration, globalGasCap uint64) ([]byte, uint64, bool, error, error) {
|
||
defer func(start time.Time) { log.Debug("Executing EVM call finished", "runtime", time.Since(start)) }(time.Now())
|
||
|
||
statedb, header, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if statedb == nil || err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
if err := overrides.Apply(statedb); err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
|
||
msg := args.ToMessage(b, header.Number, globalGasCap)
|
||
|
||
// Setup context so it may be cancelled the call has completed
|
||
// or, in case of unmetered gas, setup a context with a timeout.
|
||
var cancel context.CancelFunc
|
||
if timeout > 0 {
|
||
ctx, cancel = context.WithTimeout(ctx, timeout)
|
||
} else {
|
||
ctx, cancel = context.WithCancel(ctx)
|
||
}
|
||
// Make sure the context is cancelled when the call has completed
|
||
// this makes sure resources are cleaned up.
|
||
defer cancel()
|
||
|
||
block, err := b.BlockByHash(ctx, header.Hash())
|
||
if err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
author, err := b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
XDCxState, err := b.XDCxService().GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
|
||
// Get a new instance of the EVM.
|
||
evm, vmError, err := b.GetEVM(ctx, msg, statedb, XDCxState, header, &vmCfg)
|
||
if err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
// Wait for the context to be done and cancel the evm. Even if the
|
||
// EVM has finished, cancelling may be done (repeatedly)
|
||
go func() {
|
||
<-ctx.Done()
|
||
evm.Cancel()
|
||
}()
|
||
|
||
// Execute the message.
|
||
gp := new(core.GasPool).AddGas(math.MaxUint64)
|
||
owner := common.Address{}
|
||
res, gas, failed, err, vmErr := core.ApplyMessage(evm, msg, gp, owner)
|
||
if err := vmError(); err != nil {
|
||
return nil, 0, false, err, nil
|
||
}
|
||
|
||
// If the timer caused an abort, return an appropriate error message
|
||
if evm.Cancelled() {
|
||
return nil, 0, false, fmt.Errorf("execution aborted (timeout = %v)", timeout), nil
|
||
}
|
||
if err != nil {
|
||
return res, 0, false, fmt.Errorf("err: %w (supplied gas %d)", err, msg.Gas()), nil
|
||
}
|
||
return res, gas, failed, err, vmErr
|
||
}
|
||
|
||
func newRevertError(res []byte) *revertError {
|
||
reason, errUnpack := abi.UnpackRevert(res)
|
||
err := errors.New("execution reverted")
|
||
if errUnpack == nil {
|
||
err = fmt.Errorf("execution reverted: %v", reason)
|
||
}
|
||
return &revertError{
|
||
error: err,
|
||
reason: hexutil.Encode(res),
|
||
}
|
||
}
|
||
|
||
// revertError is an API error that encompasses an EVM revertal with JSON error
|
||
// code and a binary data blob.
|
||
type revertError struct {
|
||
error
|
||
reason string // revert reason hex encoded
|
||
}
|
||
|
||
// ErrorCode returns the JSON error code for a revertal.
|
||
// See: https://github.com/ethereum/wiki/wiki/JSON-RPC-Error-Codes-Improvement-Proposal
|
||
func (e *revertError) ErrorCode() int {
|
||
return 3
|
||
}
|
||
|
||
// ErrorData returns the hex encoded revert reason.
|
||
func (e *revertError) ErrorData() interface{} {
|
||
return e.reason
|
||
}
|
||
|
||
// Call executes the given transaction on the state for the given block number.
|
||
// It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values.
|
||
func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash *rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Bytes, error) {
|
||
if blockNrOrHash == nil {
|
||
latest := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber)
|
||
blockNrOrHash = &latest
|
||
}
|
||
result, _, failed, err, vmErr := DoCall(ctx, s.b, args, *blockNrOrHash, overrides, vm.Config{}, 5*time.Second, s.b.RPCGasCap())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
// If the result contains a revert reason, try to unpack and return it.
|
||
if failed && len(result) > 0 {
|
||
return nil, newRevertError(result)
|
||
}
|
||
|
||
return (hexutil.Bytes)(result), vmErr
|
||
}
|
||
|
||
func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride, gasCap uint64) (hexutil.Uint64, error) {
|
||
// Retrieve the base state and mutate it with any overrides
|
||
state, _, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return 0, err
|
||
}
|
||
if err = overrides.Apply(state); err != nil {
|
||
return 0, err
|
||
}
|
||
// Binary search the gas requirement, as it may be higher than the amount used
|
||
var (
|
||
lo uint64 = params.TxGas - 1
|
||
hi uint64
|
||
cap uint64
|
||
)
|
||
// Use zero address if sender unspecified.
|
||
if args.From == nil {
|
||
args.From = new(common.Address)
|
||
}
|
||
// Determine the highest gas limit can be used during the estimation.
|
||
if args.Gas != nil && uint64(*args.Gas) >= params.TxGas {
|
||
hi = uint64(*args.Gas)
|
||
} else {
|
||
// Retrieve the current pending block to act as the gas ceiling
|
||
block, err := b.BlockByNumberOrHash(ctx, blockNrOrHash)
|
||
if err != nil {
|
||
return 0, err
|
||
}
|
||
if block == nil {
|
||
return 0, errors.New("block not found")
|
||
}
|
||
hi = block.GasLimit()
|
||
}
|
||
// Recap the highest gas allowance with specified gascap.
|
||
if gasCap != 0 && hi > gasCap {
|
||
log.Warn("Caller gas above allowance, capping", "requested", hi, "cap", gasCap)
|
||
hi = gasCap
|
||
}
|
||
cap = hi
|
||
|
||
// Create a helper to check if a gas allowance results in an executable transaction
|
||
executable := func(gas uint64) (bool, []byte, error, error) {
|
||
args.Gas = (*hexutil.Uint64)(&gas)
|
||
|
||
res, _, failed, err, vmErr := DoCall(ctx, b, args, blockNrOrHash, nil, vm.Config{}, 0, gasCap)
|
||
if err != nil {
|
||
if errors.Is(err, vm.ErrOutOfGas) || errors.Is(err, core.ErrIntrinsicGas) {
|
||
return false, nil, nil, nil // Special case, raise gas limit
|
||
}
|
||
return false, nil, err, nil // Bail out
|
||
}
|
||
if failed {
|
||
return false, res, nil, vmErr
|
||
}
|
||
|
||
return true, nil, nil, nil
|
||
}
|
||
|
||
// If the transaction is a plain value transfer, short circuit estimation and
|
||
// directly try 21000. Returning 21000 without any execution is dangerous as
|
||
// some tx field combos might bump the price up even for plain transfers (e.g.
|
||
// unused access list items). Ever so slightly wasteful, but safer overall.
|
||
if args.Data == nil || len(*args.Data) == 0 {
|
||
if args.To != nil && state.GetCodeSize(*args.To) == 0 {
|
||
ok, _, err, _ := executable(params.TxGas)
|
||
if ok && err == nil {
|
||
return hexutil.Uint64(params.TxGas), nil
|
||
}
|
||
}
|
||
}
|
||
|
||
// Execute the binary search and hone in on an executable gas limit
|
||
for lo+1 < hi {
|
||
mid := (hi + lo) / 2
|
||
ok, _, err, _ := executable(mid)
|
||
|
||
// If the error is not nil(consensus error), it means the provided message
|
||
// call or transaction will never be accepted no matter how much gas it is
|
||
// assigned. Return the error directly, don't struggle any more.
|
||
if err != nil {
|
||
return 0, err
|
||
}
|
||
|
||
if !ok {
|
||
lo = mid
|
||
} else {
|
||
hi = mid
|
||
}
|
||
}
|
||
|
||
// Reject the transaction as invalid if it still fails at the highest allowance
|
||
if hi == cap {
|
||
ok, res, err, vmErr := executable(hi)
|
||
if err != nil {
|
||
return 0, err
|
||
}
|
||
|
||
if !ok {
|
||
if vmErr != vm.ErrOutOfGas {
|
||
if len(res) > 0 {
|
||
return 0, newRevertError(res)
|
||
}
|
||
return 0, vmErr
|
||
}
|
||
|
||
// Otherwise, the specified gas cap is too low
|
||
return 0, fmt.Errorf("gas required exceeds allowance (%d)", cap)
|
||
}
|
||
}
|
||
return hexutil.Uint64(hi), nil
|
||
}
|
||
|
||
// EstimateGas returns an estimate of the amount of gas needed to execute the
|
||
// given transaction against the current pending block.
|
||
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs, blockNrOrHash *rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Uint64, error) {
|
||
bNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber)
|
||
if blockNrOrHash != nil {
|
||
bNrOrHash = *blockNrOrHash
|
||
}
|
||
return DoEstimateGas(ctx, s.b, args, bNrOrHash, overrides, s.b.RPCGasCap())
|
||
}
|
||
|
||
// ExecutionResult groups all structured logs emitted by the EVM
|
||
// while replaying a transaction in debug mode as well as transaction
|
||
// execution status, the amount of gas used and the return value
|
||
type ExecutionResult struct {
|
||
Gas uint64 `json:"gas"`
|
||
Failed bool `json:"failed"`
|
||
ReturnValue string `json:"returnValue"`
|
||
StructLogs []StructLogRes `json:"structLogs"`
|
||
}
|
||
|
||
// StructLogRes stores a structured log emitted by the EVM while replaying a
|
||
// transaction in debug mode
|
||
type StructLogRes struct {
|
||
Pc uint64 `json:"pc"`
|
||
Op string `json:"op"`
|
||
Gas uint64 `json:"gas"`
|
||
GasCost uint64 `json:"gasCost"`
|
||
Depth int `json:"depth"`
|
||
Error error `json:"error,omitempty"`
|
||
Stack *[]string `json:"stack,omitempty"`
|
||
Memory *[]string `json:"memory,omitempty"`
|
||
Storage *map[string]string `json:"storage,omitempty"`
|
||
}
|
||
|
||
// formatLogs formats EVM returned structured logs for json output
|
||
func FormatLogs(logs []vm.StructLog) []StructLogRes {
|
||
formatted := make([]StructLogRes, len(logs))
|
||
for index, trace := range logs {
|
||
formatted[index] = StructLogRes{
|
||
Pc: trace.Pc,
|
||
Op: trace.Op.String(),
|
||
Gas: trace.Gas,
|
||
GasCost: trace.GasCost,
|
||
Depth: trace.Depth,
|
||
Error: trace.Err,
|
||
}
|
||
if trace.Stack != nil {
|
||
stack := make([]string, len(trace.Stack))
|
||
for i, stackValue := range trace.Stack {
|
||
stack[i] = fmt.Sprintf("%x", math.PaddedBigBytes(stackValue, 32))
|
||
}
|
||
formatted[index].Stack = &stack
|
||
}
|
||
if trace.Memory != nil {
|
||
memory := make([]string, 0, (len(trace.Memory)+31)/32)
|
||
for i := 0; i+32 <= len(trace.Memory); i += 32 {
|
||
memory = append(memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
|
||
}
|
||
formatted[index].Memory = &memory
|
||
}
|
||
if trace.Storage != nil {
|
||
storage := make(map[string]string)
|
||
for i, storageValue := range trace.Storage {
|
||
storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
|
||
}
|
||
formatted[index].Storage = &storage
|
||
}
|
||
}
|
||
return formatted
|
||
}
|
||
|
||
// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
|
||
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
|
||
// transaction hashes.
|
||
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool, ctx context.Context) (map[string]interface{}, error) {
|
||
head := b.Header() // copies the header once
|
||
fields := map[string]interface{}{
|
||
"number": (*hexutil.Big)(head.Number),
|
||
"hash": b.Hash(),
|
||
"parentHash": head.ParentHash,
|
||
"nonce": head.Nonce,
|
||
"mixHash": head.MixDigest,
|
||
"sha3Uncles": head.UncleHash,
|
||
"logsBloom": head.Bloom,
|
||
"stateRoot": head.Root,
|
||
"miner": head.Coinbase,
|
||
"difficulty": (*hexutil.Big)(head.Difficulty),
|
||
"totalDifficulty": (*hexutil.Big)(s.b.GetTd(b.Hash())),
|
||
"extraData": hexutil.Bytes(head.Extra),
|
||
"size": hexutil.Uint64(b.Size()),
|
||
"gasLimit": hexutil.Uint64(head.GasLimit),
|
||
"gasUsed": hexutil.Uint64(head.GasUsed),
|
||
"timestamp": (*hexutil.Big)(head.Time),
|
||
"transactionsRoot": head.TxHash,
|
||
"receiptsRoot": head.ReceiptHash,
|
||
"validators": hexutil.Bytes(head.Validators),
|
||
"validator": hexutil.Bytes(head.Validator),
|
||
"penalties": hexutil.Bytes(head.Penalties),
|
||
}
|
||
|
||
if inclTx {
|
||
formatTx := func(tx *types.Transaction) (interface{}, error) {
|
||
return tx.Hash(), nil
|
||
}
|
||
|
||
if fullTx {
|
||
formatTx = func(tx *types.Transaction) (interface{}, error) {
|
||
return newRPCTransactionFromBlockHash(b, tx.Hash()), nil
|
||
}
|
||
}
|
||
|
||
txs := b.Transactions()
|
||
transactions := make([]interface{}, len(txs))
|
||
var err error
|
||
for i, tx := range b.Transactions() {
|
||
if transactions[i], err = formatTx(tx); err != nil {
|
||
return nil, err
|
||
}
|
||
}
|
||
fields["transactions"] = transactions
|
||
}
|
||
|
||
uncles := b.Uncles()
|
||
uncleHashes := make([]common.Hash, len(uncles))
|
||
for i, uncle := range uncles {
|
||
uncleHashes[i] = uncle.Hash()
|
||
}
|
||
fields["uncles"] = uncleHashes
|
||
return fields, nil
|
||
}
|
||
|
||
// findNearestSignedBlock finds the nearest checkpoint from input block
|
||
func (s *PublicBlockChainAPI) findNearestSignedBlock(ctx context.Context, b *types.Block) *types.Block {
|
||
if b.Number().Int64() <= 0 {
|
||
return nil
|
||
}
|
||
|
||
blockNumber := b.Number().Uint64()
|
||
signedBlockNumber := blockNumber + (common.MergeSignRange - (blockNumber % common.MergeSignRange))
|
||
latestBlockNumber := s.b.CurrentBlock().Number()
|
||
|
||
if signedBlockNumber >= latestBlockNumber.Uint64() || !s.b.ChainConfig().IsTIPSigning(b.Number()) {
|
||
signedBlockNumber = blockNumber
|
||
}
|
||
|
||
// Get block epoc latest
|
||
checkpointNumber, _, err := s.b.GetEngine().(*XDPoS.XDPoS).GetCurrentEpochSwitchBlock(s.chainReader, big.NewInt(int64(signedBlockNumber)))
|
||
if err != nil {
|
||
log.Error("[findNearestSignedBlock] Error while trying to get current Epoch switch block", "Number", signedBlockNumber)
|
||
}
|
||
|
||
checkpointBlock, _ := s.b.BlockByNumber(ctx, rpc.BlockNumber(checkpointNumber))
|
||
|
||
if checkpointBlock != nil {
|
||
signedBlock, _ := s.b.BlockByNumber(ctx, rpc.BlockNumber(signedBlockNumber))
|
||
return signedBlock
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
/*
|
||
findFinalityOfBlock return finality of a block
|
||
Use blocksHashCache for to keep track - refer core/blockchain.go for more detail
|
||
*/
|
||
func (s *PublicBlockChainAPI) findFinalityOfBlock(ctx context.Context, b *types.Block, masternodes []common.Address) (uint, error) {
|
||
engine, _ := s.b.GetEngine().(*XDPoS.XDPoS)
|
||
signedBlock := s.findNearestSignedBlock(ctx, b)
|
||
|
||
if signedBlock == nil {
|
||
return 0, nil
|
||
}
|
||
|
||
signedBlocksHash := s.b.GetBlocksHashCache(signedBlock.Number().Uint64())
|
||
|
||
// there is no cache for this block's number
|
||
// return the number(signers) / number(masternode) * 100 if this block is on canonical path
|
||
// else return 0 for fork path
|
||
if signedBlocksHash == nil {
|
||
if !s.b.AreTwoBlockSamePath(signedBlock.Hash(), b.Hash()) {
|
||
return 0, nil
|
||
}
|
||
|
||
blockSigners, err := s.getSigners(ctx, signedBlock, engine)
|
||
if blockSigners == nil {
|
||
return 0, err
|
||
}
|
||
|
||
return uint(100 * len(blockSigners) / len(masternodes)), nil
|
||
}
|
||
|
||
/*
|
||
With Hashes cache - we can track all chain's path
|
||
back to current's block number by parent's Hash
|
||
If found the current block so the finality = signedBlock's finality
|
||
else return 0
|
||
*/
|
||
|
||
var signedBlockSamePath common.Hash
|
||
|
||
for count := 0; count < len(signedBlocksHash); count++ {
|
||
blockHash := signedBlocksHash[count]
|
||
if s.b.AreTwoBlockSamePath(blockHash, b.Hash()) {
|
||
signedBlockSamePath = blockHash
|
||
break
|
||
}
|
||
}
|
||
|
||
// return 0 if not same path with any signed block
|
||
if len(signedBlockSamePath) == 0 {
|
||
return 0, nil
|
||
}
|
||
|
||
// get signers and return finality
|
||
samePathSignedBlock, err := s.b.GetBlock(ctx, signedBlockSamePath)
|
||
if samePathSignedBlock == nil {
|
||
return 0, err
|
||
}
|
||
|
||
blockSigners, err := s.getSigners(ctx, samePathSignedBlock, engine)
|
||
if blockSigners == nil {
|
||
return 0, err
|
||
}
|
||
|
||
return uint(100 * len(blockSigners) / len(masternodes)), nil
|
||
}
|
||
|
||
/*
|
||
Extract signers from block
|
||
*/
|
||
func (s *PublicBlockChainAPI) getSigners(ctx context.Context, block *types.Block, engine *XDPoS.XDPoS) ([]common.Address, error) {
|
||
var err error
|
||
var filterSigners []common.Address
|
||
var signers []common.Address
|
||
|
||
masternodes := engine.GetMasternodes(s.chainReader, block.Header())
|
||
|
||
signers, err = GetSignersFromBlocks(s.b, block.NumberU64(), block.Hash(), masternodes)
|
||
if err != nil {
|
||
log.Error("Fail to get signers from block signer SC.", "error", err)
|
||
return nil, err
|
||
}
|
||
validator, _ := engine.RecoverValidator(block.Header())
|
||
creator, _ := engine.RecoverSigner(block.Header())
|
||
signers = append(signers, validator)
|
||
signers = append(signers, creator)
|
||
|
||
for _, masternode := range masternodes {
|
||
for _, signer := range signers {
|
||
if signer == masternode {
|
||
filterSigners = append(filterSigners, masternode)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
return filterSigners, nil
|
||
}
|
||
|
||
func (s *PublicBlockChainAPI) rpcOutputBlockSigners(b *types.Block, ctx context.Context, masternodes []common.Address) ([]common.Address, error) {
|
||
_, err := s.b.GetIPCClient()
|
||
if err != nil {
|
||
log.Error("Fail to connect IPC client for block status", "error", err)
|
||
return []common.Address{}, err
|
||
}
|
||
|
||
engine, ok := s.b.GetEngine().(*XDPoS.XDPoS)
|
||
if !ok {
|
||
log.Error("Undefined XDPoS consensus engine")
|
||
return []common.Address{}, nil
|
||
}
|
||
|
||
signedBlock := s.findNearestSignedBlock(ctx, b)
|
||
if signedBlock == nil {
|
||
return []common.Address{}, nil
|
||
}
|
||
|
||
return s.getSigners(ctx, signedBlock, engine)
|
||
}
|
||
|
||
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
|
||
type RPCTransaction struct {
|
||
BlockHash *common.Hash `json:"blockHash"`
|
||
BlockNumber *hexutil.Big `json:"blockNumber"`
|
||
From common.Address `json:"from"`
|
||
Gas hexutil.Uint64 `json:"gas"`
|
||
GasPrice *hexutil.Big `json:"gasPrice"`
|
||
Hash common.Hash `json:"hash"`
|
||
Input hexutil.Bytes `json:"input"`
|
||
Nonce hexutil.Uint64 `json:"nonce"`
|
||
To *common.Address `json:"to"`
|
||
TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
|
||
Value *hexutil.Big `json:"value"`
|
||
Type hexutil.Uint64 `json:"type"`
|
||
Accesses *types.AccessList `json:"accessList,omitempty"`
|
||
ChainID *hexutil.Big `json:"chainId,omitempty"`
|
||
V *hexutil.Big `json:"v"`
|
||
R *hexutil.Big `json:"r"`
|
||
S *hexutil.Big `json:"s"`
|
||
}
|
||
|
||
// newRPCTransaction returns a transaction that will serialize to the RPC
|
||
// representation, with the given location metadata set (if available).
|
||
func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64) *RPCTransaction {
|
||
// Determine the signer. For replay-protected transactions, use the most permissive
|
||
// signer, because we assume that signers are backwards-compatible with old
|
||
// transactions. For non-protected transactions, the homestead signer signer is used
|
||
// because the return value of ChainId is zero for those transactions.
|
||
var signer types.Signer
|
||
if tx.Protected() {
|
||
signer = types.LatestSignerForChainID(tx.ChainId())
|
||
} else {
|
||
signer = types.HomesteadSigner{}
|
||
}
|
||
|
||
from, _ := types.Sender(signer, tx)
|
||
v, r, s := tx.RawSignatureValues()
|
||
result := &RPCTransaction{
|
||
Type: hexutil.Uint64(tx.Type()),
|
||
From: from,
|
||
Gas: hexutil.Uint64(tx.Gas()),
|
||
GasPrice: (*hexutil.Big)(tx.GasPrice()),
|
||
Hash: tx.Hash(),
|
||
Input: hexutil.Bytes(tx.Data()),
|
||
Nonce: hexutil.Uint64(tx.Nonce()),
|
||
To: tx.To(),
|
||
Value: (*hexutil.Big)(tx.Value()),
|
||
V: (*hexutil.Big)(v),
|
||
R: (*hexutil.Big)(r),
|
||
S: (*hexutil.Big)(s),
|
||
}
|
||
if blockHash != (common.Hash{}) {
|
||
result.BlockHash = &blockHash
|
||
result.BlockNumber = (*hexutil.Big)(new(big.Int).SetUint64(blockNumber))
|
||
result.TransactionIndex = (*hexutil.Uint64)(&index)
|
||
}
|
||
if tx.Type() == types.AccessListTxType {
|
||
al := tx.AccessList()
|
||
result.Accesses = &al
|
||
result.ChainID = (*hexutil.Big)(tx.ChainId())
|
||
}
|
||
return result
|
||
}
|
||
|
||
// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
|
||
func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
|
||
return newRPCTransaction(tx, common.Hash{}, 0, 0)
|
||
}
|
||
|
||
// newRPCTransactionFromBlockIndex returns a transaction that will serialize to the RPC representation.
|
||
func newRPCTransactionFromBlockIndex(b *types.Block, index uint64) *RPCTransaction {
|
||
txs := b.Transactions()
|
||
if index >= uint64(len(txs)) {
|
||
return nil
|
||
}
|
||
return newRPCTransaction(txs[index], b.Hash(), b.NumberU64(), index)
|
||
}
|
||
|
||
// newRPCRawTransactionFromBlockIndex returns the bytes of a transaction given a block and a transaction index.
|
||
func newRPCRawTransactionFromBlockIndex(b *types.Block, index uint64) hexutil.Bytes {
|
||
txs := b.Transactions()
|
||
if index >= uint64(len(txs)) {
|
||
return nil
|
||
}
|
||
blob, _ := txs[index].MarshalBinary()
|
||
return blob
|
||
}
|
||
|
||
// newRPCTransactionFromBlockHash returns a transaction that will serialize to the RPC representation.
|
||
func newRPCTransactionFromBlockHash(b *types.Block, hash common.Hash) *RPCTransaction {
|
||
for idx, tx := range b.Transactions() {
|
||
if tx.Hash() == hash {
|
||
return newRPCTransactionFromBlockIndex(b, uint64(idx))
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// accessListResult returns an optional accesslist
|
||
// Its the result of the `debug_createAccessList` RPC call.
|
||
// It contains an error if the transaction itself failed.
|
||
type accessListResult struct {
|
||
Accesslist *types.AccessList `json:"accessList"`
|
||
Error string `json:"error,omitempty"`
|
||
GasUsed hexutil.Uint64 `json:"gasUsed"`
|
||
}
|
||
|
||
// CreateAccessList creates a EIP-2930 type AccessList for the given transaction.
|
||
// Reexec and BlockNrOrHash can be specified to create the accessList on top of a certain state.
|
||
func (s *PublicBlockChainAPI) CreateAccessList(ctx context.Context, args SendTxArgs, blockNrOrHash *rpc.BlockNumberOrHash) (*accessListResult, error) {
|
||
bNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
|
||
if blockNrOrHash != nil {
|
||
bNrOrHash = *blockNrOrHash
|
||
}
|
||
acl, gasUsed, vmerr, err := AccessList(ctx, s.b, bNrOrHash, args)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result := &accessListResult{Accesslist: &acl, GasUsed: hexutil.Uint64(gasUsed)}
|
||
if vmerr != nil {
|
||
result.Error = vmerr.Error()
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
// AccessList creates an access list for the given transaction.
|
||
// If the accesslist creation fails an error is returned.
|
||
// If the transaction itself fails, an vmErr is returned.
|
||
func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrHash, args SendTxArgs) (acl types.AccessList, gasUsed uint64, vmErr error, err error) {
|
||
// Retrieve the execution context
|
||
db, header, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if db == nil || err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
block, err := b.BlockByHash(ctx, header.Hash())
|
||
if err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
author, err := b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
XDCxState, err := b.XDCxService().GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
owner := common.Address{}
|
||
|
||
// If the gas amount is not set, extract this as it will depend on access
|
||
// lists and we'll need to reestimate every time
|
||
nogas := args.Gas == nil
|
||
|
||
// Ensure any missing fields are filled, extract the recipient and input data
|
||
if err := args.setDefaults(ctx, b); err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
var to common.Address
|
||
if args.To != nil {
|
||
to = *args.To
|
||
} else {
|
||
to = crypto.CreateAddress(args.From, uint64(*args.Nonce))
|
||
}
|
||
var input []byte
|
||
if args.Input != nil {
|
||
input = *args.Input
|
||
} else if args.Data != nil {
|
||
input = *args.Data
|
||
}
|
||
// Retrieve the precompiles since they don't need to be added to the access list
|
||
precompiles := vm.ActivePrecompiles(b.ChainConfig().Rules(header.Number))
|
||
|
||
// Create an initial tracer
|
||
prevTracer := vm.NewAccessListTracer(nil, args.From, to, precompiles)
|
||
if args.AccessList != nil {
|
||
prevTracer = vm.NewAccessListTracer(*args.AccessList, args.From, to, precompiles)
|
||
}
|
||
for {
|
||
// Retrieve the current access list to expand
|
||
accessList := prevTracer.AccessList()
|
||
log.Trace("Creating access list", "input", accessList)
|
||
|
||
// If no gas amount was specified, each unique access list needs it's own
|
||
// gas calculation. This is quite expensive, but we need to be accurate
|
||
// and it's convered by the sender only anyway.
|
||
if nogas {
|
||
args.Gas = nil
|
||
if err := args.setDefaults(ctx, b); err != nil {
|
||
return nil, 0, nil, err // shouldn't happen, just in case
|
||
}
|
||
}
|
||
// Copy the original db so we don't modify it
|
||
statedb := db.Copy()
|
||
feeCapacity := state.GetTRC21FeeCapacityFromState(statedb)
|
||
var balanceTokenFee *big.Int
|
||
if value, ok := feeCapacity[to]; ok {
|
||
balanceTokenFee = value
|
||
}
|
||
msg := types.NewMessage(args.From, args.To, uint64(*args.Nonce), args.Value.ToInt(), uint64(*args.Gas), args.GasPrice.ToInt(), input, accessList, false, balanceTokenFee, header.Number)
|
||
|
||
// Apply the transaction with the access list tracer
|
||
tracer := vm.NewAccessListTracer(accessList, args.From, to, precompiles)
|
||
config := vm.Config{Tracer: tracer, Debug: true}
|
||
vmenv, _, err := b.GetEVM(ctx, msg, statedb, XDCxState, header, &config)
|
||
if err != nil {
|
||
return nil, 0, nil, err
|
||
}
|
||
// TODO: determine the value of owner
|
||
_, UsedGas, _, err, vmErr := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas()), owner)
|
||
if err != nil {
|
||
return nil, 0, nil, fmt.Errorf("failed to apply transaction: %v err: %v", args.toTransaction().Hash(), err)
|
||
}
|
||
if tracer.Equal(prevTracer) {
|
||
return accessList, UsedGas, vmErr, nil
|
||
}
|
||
prevTracer = tracer
|
||
}
|
||
}
|
||
|
||
// PublicTransactionPoolAPI exposes methods for the RPC interface
|
||
type PublicTransactionPoolAPI struct {
|
||
b Backend
|
||
nonceLock *AddrLocker
|
||
signer types.Signer
|
||
}
|
||
|
||
// PublicTransactionPoolAPI exposes methods for the RPC interface
|
||
type PublicXDCXTransactionPoolAPI 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 {
|
||
// The signer used by the API should always be the 'latest' known one because we expect
|
||
// signers to be backwards-compatible with old transactions.
|
||
signer := types.LatestSigner(b.ChainConfig())
|
||
return &PublicTransactionPoolAPI{b, nonceLock, signer}
|
||
}
|
||
|
||
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
|
||
func NewPublicXDCXTransactionPoolAPI(b Backend, nonceLock *AddrLocker) *PublicXDCXTransactionPoolAPI {
|
||
return &PublicXDCXTransactionPoolAPI{b, nonceLock}
|
||
}
|
||
|
||
// 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
|
||
}
|
||
|
||
// GetRawTransactionByBlockNumberAndIndex returns the bytes of the transaction for the given block number and index.
|
||
func (s *PublicTransactionPoolAPI) GetRawTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index hexutil.Uint) hexutil.Bytes {
|
||
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
|
||
return newRPCRawTransactionFromBlockIndex(block, uint64(index))
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// GetRawTransactionByBlockHashAndIndex returns the bytes of the transaction for the given block hash and index.
|
||
func (s *PublicTransactionPoolAPI) GetRawTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index hexutil.Uint) hexutil.Bytes {
|
||
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
||
return newRPCRawTransactionFromBlockIndex(block, uint64(index))
|
||
}
|
||
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, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Uint64, error) {
|
||
// Ask transaction pool for the nonce which includes pending transactions
|
||
if blockNr, ok := blockNrOrHash.Number(); ok && 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.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
|
||
if state == nil || err != nil {
|
||
return nil, err
|
||
}
|
||
nonce := state.GetNonce(address)
|
||
return (*hexutil.Uint64)(&nonce), state.Error()
|
||
}
|
||
|
||
// 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 := core.GetTransaction(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
|
||
}
|
||
|
||
// GetRawTransactionByHash returns the bytes of the transaction for the given hash.
|
||
func (s *PublicTransactionPoolAPI) GetRawTransactionByHash(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
|
||
// Retrieve a finalized transaction, or a pooled otherwise
|
||
tx, _, _, _ := core.GetTransaction(s.b.ChainDb(), hash)
|
||
if tx == nil {
|
||
if tx = s.b.GetPoolTransaction(hash); tx == nil {
|
||
// Transaction not found anywhere, abort
|
||
return nil, nil
|
||
}
|
||
}
|
||
// Serialize to RLP and return
|
||
return tx.MarshalBinary()
|
||
}
|
||
|
||
// 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 := core.GetTransaction(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]
|
||
|
||
// Derive the sender.
|
||
bigblock := new(big.Int).SetUint64(blockNumber)
|
||
signer := types.MakeSigner(s.b.ChainConfig(), bigblock)
|
||
from, _ := types.Sender(signer, tx)
|
||
|
||
fields := map[string]interface{}{
|
||
"blockHash": blockHash,
|
||
"blockNumber": hexutil.Uint64(blockNumber),
|
||
"transactionHash": hash,
|
||
"transactionIndex": hexutil.Uint64(index),
|
||
"from": from,
|
||
"to": tx.To(),
|
||
"gasUsed": hexutil.Uint64(receipt.GasUsed),
|
||
"cumulativeGasUsed": hexutil.Uint64(receipt.CumulativeGasUsed),
|
||
"contractAddress": nil,
|
||
"logs": receipt.Logs,
|
||
"logsBloom": receipt.Bloom,
|
||
"type": hexutil.Uint(tx.Type()),
|
||
}
|
||
|
||
// 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
|
||
}
|
||
|
||
// sign is a helper function that signs a transaction with the private key of the given address.
|
||
func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
|
||
// Look up the wallet containing the requested signer
|
||
account := accounts.Account{Address: addr}
|
||
|
||
wallet, err := s.b.AccountManager().Find(account)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
// Request the wallet to sign the transaction
|
||
var chainID *big.Int
|
||
if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
|
||
chainID = config.ChainId
|
||
}
|
||
return wallet.SignTx(account, tx, chainID)
|
||
}
|
||
|
||
// SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
|
||
type SendTxArgs struct {
|
||
From common.Address `json:"from"`
|
||
To *common.Address `json:"to"`
|
||
Gas *hexutil.Uint64 `json:"gas"`
|
||
GasPrice *hexutil.Big `json:"gasPrice"`
|
||
Value *hexutil.Big `json:"value"`
|
||
Nonce *hexutil.Uint64 `json:"nonce"`
|
||
// We accept "data" and "input" for backwards-compatibility reasons. "input" is the
|
||
// newer name and should be preferred by clients.
|
||
Data *hexutil.Bytes `json:"data"`
|
||
Input *hexutil.Bytes `json:"input"`
|
||
|
||
// For non-legacy transactions
|
||
AccessList *types.AccessList `json:"accessList,omitempty"`
|
||
ChainID *hexutil.Big `json:"chainId,omitempty"`
|
||
}
|
||
|
||
// setDefaults fills in default values for unspecified tx fields.
|
||
func (args *SendTxArgs) setDefaults(ctx context.Context, b Backend) error {
|
||
if args.GasPrice == nil {
|
||
price, err := b.SuggestPrice(ctx)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
args.GasPrice = (*hexutil.Big)(price)
|
||
}
|
||
if args.Value == nil {
|
||
args.Value = new(hexutil.Big)
|
||
}
|
||
if args.Nonce == nil {
|
||
nonce, err := b.GetPoolNonce(ctx, args.From)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
args.Nonce = (*hexutil.Uint64)(&nonce)
|
||
}
|
||
if args.Data != nil && args.Input != nil && !bytes.Equal(*args.Data, *args.Input) {
|
||
return errors.New(`Both "data" and "input" are set and not equal. Please use "input" to pass transaction call data.`)
|
||
}
|
||
if args.To == nil {
|
||
// Contract creation
|
||
var input []byte
|
||
if args.Data != nil {
|
||
input = *args.Data
|
||
} else if args.Input != nil {
|
||
input = *args.Input
|
||
}
|
||
if len(input) == 0 {
|
||
return errors.New(`contract creation without any data provided`)
|
||
}
|
||
}
|
||
// Estimate the gas usage if necessary.
|
||
if args.Gas == nil {
|
||
// For backwards-compatibility reason, we try both input and data
|
||
// but input is preferred.
|
||
input := args.Input
|
||
if input == nil {
|
||
input = args.Data
|
||
}
|
||
callArgs := CallArgs{
|
||
From: &args.From, // From shouldn't be nil
|
||
To: args.To,
|
||
GasPrice: args.GasPrice,
|
||
Value: args.Value,
|
||
Data: input,
|
||
AccessList: args.AccessList,
|
||
}
|
||
pendingBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
|
||
estimated, err := DoEstimateGas(ctx, b, callArgs, pendingBlockNr, nil, b.RPCGasCap())
|
||
if err != nil {
|
||
return err
|
||
}
|
||
args.Gas = &estimated
|
||
log.Trace("Estimate gas usage automatically", "gas", args.Gas)
|
||
|
||
}
|
||
if args.ChainID == nil {
|
||
id := (*hexutil.Big)(b.ChainConfig().ChainId)
|
||
args.ChainID = id
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// toTransaction converts the arguments to a transaction.
|
||
// This assumes that setDefaults has been called.
|
||
func (args *SendTxArgs) toTransaction() *types.Transaction {
|
||
var input []byte
|
||
if args.Input != nil {
|
||
input = *args.Input
|
||
} else if args.Data != nil {
|
||
input = *args.Data
|
||
}
|
||
var data types.TxData
|
||
if args.AccessList == nil {
|
||
data = &types.LegacyTx{
|
||
To: args.To,
|
||
Nonce: uint64(*args.Nonce),
|
||
Gas: uint64(*args.Gas),
|
||
GasPrice: (*big.Int)(args.GasPrice),
|
||
Value: (*big.Int)(args.Value),
|
||
Data: input,
|
||
}
|
||
} else {
|
||
data = &types.AccessListTx{
|
||
To: args.To,
|
||
ChainID: (*big.Int)(args.ChainID),
|
||
Nonce: uint64(*args.Nonce),
|
||
Gas: uint64(*args.Gas),
|
||
GasPrice: (*big.Int)(args.GasPrice),
|
||
Value: (*big.Int)(args.Value),
|
||
Data: input,
|
||
AccessList: *args.AccessList,
|
||
}
|
||
}
|
||
return types.NewTx(data)
|
||
}
|
||
|
||
// SubmitTransaction is a helper function that submits tx to txPool and logs a message.
|
||
func SubmitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (common.Hash, error) {
|
||
if tx.To() != nil && tx.IsSpecialTransaction() {
|
||
return common.Hash{}, errors.New("Dont allow transaction sent to BlockSigners & RandomizeSMC smart contract via API")
|
||
}
|
||
if err := b.SendTx(ctx, tx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
|
||
// Print a log with full tx details for manual investigations and interventions
|
||
signer := types.MakeSigner(b.ChainConfig(), b.CurrentBlock().Number())
|
||
from, err := types.Sender(signer, tx)
|
||
if err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
|
||
if tx.To() == nil {
|
||
addr := crypto.CreateAddress(from, tx.Nonce())
|
||
log.Info("Submitted contract creation", "hash", tx.Hash().Hex(), "from", from, "nonce", tx.Nonce(), "contract", addr.Hex(), "value", tx.Value())
|
||
} else {
|
||
log.Info("Submitted transaction", "hash", tx.Hash().Hex(), "from", from, "nonce", tx.Nonce(), "recipient", tx.To(), "value", tx.Value())
|
||
}
|
||
return tx.Hash(), nil
|
||
}
|
||
|
||
// SubmitTransaction is a helper function that submits tx to txPool and logs a message.
|
||
func submitOrderTransaction(ctx context.Context, b Backend, tx *types.OrderTransaction) (common.Hash, error) {
|
||
|
||
if err := b.SendOrderTx(ctx, tx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return tx.Hash(), nil
|
||
}
|
||
|
||
// submitLendingTransaction is a helper function that submits tx to txPool and logs a message.
|
||
func submitLendingTransaction(ctx context.Context, b Backend, tx *types.LendingTransaction) (common.Hash, error) {
|
||
|
||
if err := b.SendLendingTx(ctx, tx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return tx.Hash(), nil
|
||
}
|
||
|
||
// 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()
|
||
|
||
var chainID *big.Int
|
||
if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
|
||
chainID = config.ChainId
|
||
}
|
||
signed, err := wallet.SignTx(account, tx, chainID)
|
||
if err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return SubmitTransaction(ctx, s.b, signed)
|
||
}
|
||
|
||
// FillTransaction fills the defaults (nonce, gas, gasPrice) on a given unsigned transaction,
|
||
// and returns it to the caller for further processing (signing + broadcast)
|
||
func (s *PublicTransactionPoolAPI) FillTransaction(ctx context.Context, args SendTxArgs) (*SignTransactionResult, error) {
|
||
// Set some sanity defaults and terminate on failure
|
||
if err := args.setDefaults(ctx, s.b); err != nil {
|
||
return nil, err
|
||
}
|
||
// Assemble the transaction and obtain rlp
|
||
tx := args.toTransaction()
|
||
data, err := tx.MarshalBinary()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return &SignTransactionResult{data, tx}, nil
|
||
}
|
||
|
||
// 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, input hexutil.Bytes) (common.Hash, error) {
|
||
tx := new(types.Transaction)
|
||
if err := tx.UnmarshalBinary(input); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return SubmitTransaction(ctx, s.b, tx)
|
||
}
|
||
|
||
// SendOrderRawTransaction will add the signed transaction to the transaction pool.
|
||
// The sender is responsible for signing the transaction and using the correct nonce.
|
||
func (s *PublicXDCXTransactionPoolAPI) SendOrderRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error) {
|
||
tx := new(types.OrderTransaction)
|
||
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return submitOrderTransaction(ctx, s.b, tx)
|
||
}
|
||
|
||
// SendLendingRawTransaction will add the signed transaction to the transaction pool.
|
||
// The sender is responsible for signing the transaction and using the correct nonce.
|
||
func (s *PublicXDCXTransactionPoolAPI) SendLendingRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error) {
|
||
tx := new(types.LendingTransaction)
|
||
if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return submitLendingTransaction(ctx, s.b, tx)
|
||
}
|
||
|
||
// GetOrderTxMatchByHash returns the bytes of the transaction for the given hash.
|
||
func (s *PublicXDCXTransactionPoolAPI) GetOrderTxMatchByHash(ctx context.Context, hash common.Hash) ([]*tradingstate.OrderItem, error) {
|
||
var tx *types.Transaction
|
||
orders := []*tradingstate.OrderItem{}
|
||
if tx, _, _, _ = core.GetTransaction(s.b.ChainDb(), hash); tx == nil {
|
||
if tx = s.b.GetPoolTransaction(hash); tx == nil {
|
||
return []*tradingstate.OrderItem{}, nil
|
||
}
|
||
}
|
||
|
||
batch, err := tradingstate.DecodeTxMatchesBatch(tx.Data())
|
||
if err != nil {
|
||
return []*tradingstate.OrderItem{}, err
|
||
}
|
||
for _, txMatch := range batch.Data {
|
||
order, err := txMatch.DecodeOrder()
|
||
if err != nil {
|
||
return []*tradingstate.OrderItem{}, err
|
||
}
|
||
orders = append(orders, order)
|
||
}
|
||
return orders, nil
|
||
|
||
}
|
||
|
||
// GetOrderPoolContent return pending, queued content
|
||
func (s *PublicXDCXTransactionPoolAPI) GetOrderPoolContent(ctx context.Context) interface{} {
|
||
pendingOrders := []*tradingstate.OrderItem{}
|
||
queuedOrders := []*tradingstate.OrderItem{}
|
||
pending, queued := s.b.OrderTxPoolContent()
|
||
|
||
for _, txs := range pending {
|
||
for _, tx := range txs {
|
||
V, R, S := tx.Signature()
|
||
order := &tradingstate.OrderItem{
|
||
Nonce: big.NewInt(int64(tx.Nonce())),
|
||
Quantity: tx.Quantity(),
|
||
Price: tx.Price(),
|
||
ExchangeAddress: tx.ExchangeAddress(),
|
||
UserAddress: tx.UserAddress(),
|
||
BaseToken: tx.BaseToken(),
|
||
QuoteToken: tx.QuoteToken(),
|
||
Status: tx.Status(),
|
||
Side: tx.Side(),
|
||
Type: tx.Type(),
|
||
Hash: tx.OrderHash(),
|
||
OrderID: tx.OrderID(),
|
||
Signature: &tradingstate.Signature{
|
||
V: byte(V.Uint64()),
|
||
R: common.BigToHash(R),
|
||
S: common.BigToHash(S),
|
||
},
|
||
}
|
||
pendingOrders = append(pendingOrders, order)
|
||
}
|
||
}
|
||
|
||
for _, txs := range queued {
|
||
for _, tx := range txs {
|
||
V, R, S := tx.Signature()
|
||
order := &tradingstate.OrderItem{
|
||
Nonce: big.NewInt(int64(tx.Nonce())),
|
||
Quantity: tx.Quantity(),
|
||
Price: tx.Price(),
|
||
ExchangeAddress: tx.ExchangeAddress(),
|
||
UserAddress: tx.UserAddress(),
|
||
BaseToken: tx.BaseToken(),
|
||
QuoteToken: tx.QuoteToken(),
|
||
Status: tx.Status(),
|
||
Side: tx.Side(),
|
||
Type: tx.Type(),
|
||
Hash: tx.OrderHash(),
|
||
OrderID: tx.OrderID(),
|
||
Signature: &tradingstate.Signature{
|
||
V: byte(V.Uint64()),
|
||
R: common.BigToHash(R),
|
||
S: common.BigToHash(S),
|
||
},
|
||
}
|
||
queuedOrders = append(pendingOrders, order)
|
||
}
|
||
}
|
||
|
||
return map[string]interface{}{
|
||
"pending": pendingOrders,
|
||
"queued": queuedOrders,
|
||
}
|
||
}
|
||
|
||
// GetOrderStats return pending, queued length
|
||
func (s *PublicXDCXTransactionPoolAPI) GetOrderStats(ctx context.Context) interface{} {
|
||
pending, queued := s.b.OrderStats()
|
||
return map[string]interface{}{
|
||
"pending": pending,
|
||
"queued": queued,
|
||
}
|
||
}
|
||
|
||
// OrderMsg struct
|
||
type OrderMsg struct {
|
||
AccountNonce hexutil.Uint64 `json:"nonce" gencodec:"required"`
|
||
Quantity hexutil.Big `json:"quantity,omitempty"`
|
||
Price hexutil.Big `json:"price,omitempty"`
|
||
ExchangeAddress common.Address `json:"exchangeAddress,omitempty"`
|
||
UserAddress common.Address `json:"userAddress,omitempty"`
|
||
BaseToken common.Address `json:"baseToken,omitempty"`
|
||
QuoteToken common.Address `json:"quoteToken,omitempty"`
|
||
Status string `json:"status,omitempty"`
|
||
Side string `json:"side,omitempty"`
|
||
Type string `json:"type,omitempty"`
|
||
OrderID hexutil.Uint64 `json:"orderid,omitempty"`
|
||
// Signature values
|
||
V hexutil.Big `json:"v" gencodec:"required"`
|
||
R hexutil.Big `json:"r" gencodec:"required"`
|
||
S hexutil.Big `json:"s" gencodec:"required"`
|
||
|
||
// This is only used when marshaling to JSON.
|
||
Hash common.Hash `json:"hash" rlp:"-"`
|
||
}
|
||
|
||
// LendingMsg api message for lending
|
||
type LendingMsg struct {
|
||
AccountNonce hexutil.Uint64 `json:"nonce" gencodec:"required"`
|
||
Quantity hexutil.Big `json:"quantity,omitempty"`
|
||
RelayerAddress common.Address `json:"relayerAddress,omitempty"`
|
||
UserAddress common.Address `json:"userAddress,omitempty"`
|
||
CollateralToken common.Address `json:"collateralToken,omitempty"`
|
||
AutoTopUp bool `json:"autoTopUp,omitempty"`
|
||
LendingToken common.Address `json:"lendingToken,omitempty"`
|
||
Term hexutil.Uint64 `json:"term,omitempty"`
|
||
Interest hexutil.Uint64 `json:"interest,omitempty"`
|
||
Status string `json:"status,omitempty"`
|
||
Side string `json:"side,omitempty"`
|
||
Type string `json:"type,omitempty"`
|
||
LendingId hexutil.Uint64 `json:"lendingId,omitempty"`
|
||
LendingTradeId hexutil.Uint64 `json:"tradeId,omitempty"`
|
||
ExtraData string `json:"extraData,omitempty"`
|
||
|
||
// Signature values
|
||
V hexutil.Big `json:"v" gencodec:"required"`
|
||
R hexutil.Big `json:"r" gencodec:"required"`
|
||
S hexutil.Big `json:"s" gencodec:"required"`
|
||
|
||
// This is only used when marshaling to JSON.
|
||
Hash common.Hash `json:"hash" rlp:"-"`
|
||
}
|
||
|
||
type PriceVolume struct {
|
||
Price *big.Int `json:"price,omitempty"`
|
||
Volume *big.Int `json:"volume,omitempty"`
|
||
}
|
||
|
||
type InterestVolume struct {
|
||
Interest *big.Int `json:"interest,omitempty"`
|
||
Volume *big.Int `json:"volume,omitempty"`
|
||
}
|
||
|
||
// SendOrder will add the signed transaction to the transaction pool.
|
||
// The sender is responsible for signing the transaction and using the correct nonce.
|
||
func (s *PublicXDCXTransactionPoolAPI) SendOrder(ctx context.Context, msg OrderMsg) (common.Hash, error) {
|
||
tx := types.NewOrderTransaction(uint64(msg.AccountNonce), msg.Quantity.ToInt(), msg.Price.ToInt(), msg.ExchangeAddress, msg.UserAddress, msg.BaseToken, msg.QuoteToken, msg.Status, msg.Side, msg.Type, msg.Hash, uint64(msg.OrderID))
|
||
tx = tx.ImportSignature(msg.V.ToInt(), msg.R.ToInt(), msg.S.ToInt())
|
||
return submitOrderTransaction(ctx, s.b, tx)
|
||
}
|
||
|
||
// SendLending will add the signed transaction to the transaction pool.
|
||
// The sender is responsible for signing the transaction and using the correct nonce.
|
||
func (s *PublicXDCXTransactionPoolAPI) SendLending(ctx context.Context, msg LendingMsg) (common.Hash, error) {
|
||
tx := types.NewLendingTransaction(uint64(msg.AccountNonce), msg.Quantity.ToInt(), uint64(msg.Interest), uint64(msg.Term), msg.RelayerAddress, msg.UserAddress, msg.LendingToken, msg.CollateralToken, msg.AutoTopUp, msg.Status, msg.Side, msg.Type, msg.Hash, uint64(msg.LendingId), uint64(msg.LendingTradeId), msg.ExtraData)
|
||
tx = tx.ImportSignature(msg.V.ToInt(), msg.R.ToInt(), msg.S.ToInt())
|
||
return submitLendingTransaction(ctx, s.b, tx)
|
||
}
|
||
|
||
// GetOrderCount returns the number of transactions the given address has sent for the given block number
|
||
func (s *PublicXDCXTransactionPoolAPI) GetOrderCount(ctx context.Context, addr common.Address) (*hexutil.Uint64, error) {
|
||
|
||
nonce, err := s.b.GetOrderNonce(addr.Hash())
|
||
if err != nil {
|
||
return (*hexutil.Uint64)(&nonce), err
|
||
}
|
||
return (*hexutil.Uint64)(&nonce), err
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBestBid(ctx context.Context, baseToken, quoteToken common.Address) (PriceVolume, error) {
|
||
|
||
result := PriceVolume{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return result, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return result, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
result.Price, result.Volume = XDCxState.GetBestBidPrice(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if result.Price.Sign() == 0 {
|
||
return result, errors.New("Bid tree not found")
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBestAsk(ctx context.Context, baseToken, quoteToken common.Address) (PriceVolume, error) {
|
||
result := PriceVolume{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return result, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return result, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
result.Price, result.Volume = XDCxState.GetBestAskPrice(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if result.Price.Sign() == 0 {
|
||
return result, errors.New("Ask tree not found")
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBidTree(ctx context.Context, baseToken, quoteToken common.Address) (map[*big.Int]tradingstate.DumpOrderList, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.DumpBidTrie(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetPrice(ctx context.Context, baseToken, quoteToken common.Address) (*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
price := XDCxState.GetLastPrice(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if price == nil || price.Sign() == 0 {
|
||
return common.Big0, errors.New("Order book's price not found")
|
||
}
|
||
return price, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLastEpochPrice(ctx context.Context, baseToken, quoteToken common.Address) (*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
price := XDCxState.GetMediumPriceBeforeEpoch(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if price == nil || price.Sign() == 0 {
|
||
return common.Big0, errors.New("Order book's price not found")
|
||
}
|
||
return price, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetCurrentEpochPrice(ctx context.Context, baseToken, quoteToken common.Address) (*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
price, _ := XDCxState.GetMediumPriceAndTotalAmount(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if price == nil || price.Sign() == 0 {
|
||
return common.Big0, errors.New("Order book's price not found")
|
||
}
|
||
return price, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetAskTree(ctx context.Context, baseToken, quoteToken common.Address) (map[*big.Int]tradingstate.DumpOrderList, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.DumpAskTrie(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetOrderById(ctx context.Context, baseToken, quoteToken common.Address, orderId uint64) (interface{}, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
orderIdHash := common.BigToHash(new(big.Int).SetUint64(orderId))
|
||
orderitem := XDCxState.GetOrder(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken), orderIdHash)
|
||
if orderitem.Quantity == nil || orderitem.Quantity.Sign() == 0 {
|
||
return nil, errors.New("Order not found")
|
||
}
|
||
return orderitem, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetTradingOrderBookInfo(ctx context.Context, baseToken, quoteToken common.Address) (*tradingstate.DumpOrderBookInfo, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.DumpOrderBookInfo(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLiquidationPriceTree(ctx context.Context, baseToken, quoteToken common.Address) (map[*big.Int]tradingstate.DumpLendingBook, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.DumpLiquidationPriceTrie(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetInvestingTree(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]lendingstate.DumpOrderList, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpInvestingTrie(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBorrowingTree(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]lendingstate.DumpOrderList, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpBorrowingTrie(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingOrderBookInfo(tx context.Context, lendingToken common.Address, term uint64) (*lendingstate.DumpOrderBookInfo, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpOrderBookInfo(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) getLendingOrderTree(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]lendingstate.LendingItem, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpLendingOrderTrie(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingTradeTree(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]lendingstate.LendingTrade, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpLendingTradeTrie(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLiquidationTimeTree(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]lendingstate.DumpOrderList, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.DumpLiquidationTimeTrie(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingOrderCount(ctx context.Context, addr common.Address) (*hexutil.Uint64, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
nonce := lendingState.GetNonce(addr.Hash())
|
||
return (*hexutil.Uint64)(&nonce), err
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBestInvesting(ctx context.Context, lendingToken common.Address, term uint64) (InterestVolume, error) {
|
||
result := InterestVolume{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return result, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return result, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
result.Interest, result.Volume = lendingState.GetBestInvestingRate(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBestBorrowing(ctx context.Context, lendingToken common.Address, term uint64) (InterestVolume, error) {
|
||
result := InterestVolume{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return result, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return result, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return result, err
|
||
}
|
||
result.Interest, result.Volume = lendingState.GetBestBorrowRate(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBids(ctx context.Context, baseToken, quoteToken common.Address) (map[*big.Int]*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.GetBids(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetAsks(ctx context.Context, baseToken, quoteToken common.Address) (map[*big.Int]*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
XDCxService := s.b.XDCxService()
|
||
if XDCxService == nil {
|
||
return nil, errors.New("XDCX service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
XDCxState, err := XDCxService.GetTradingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := XDCxState.GetAsks(tradingstate.GetTradingOrderBookHash(baseToken, quoteToken))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetInvests(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.GetInvestings(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetBorrows(ctx context.Context, lendingToken common.Address, term uint64) (map[*big.Int]*big.Int, error) {
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return nil, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return nil, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
result, err := lendingState.GetBorrowings(lendingstate.GetLendingOrderBookHash(lendingToken, term))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
// GetLendingTxMatchByHash returns lendingItems which have been processed at tx of the given txhash
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingTxMatchByHash(ctx context.Context, hash common.Hash) ([]*lendingstate.LendingItem, error) {
|
||
var tx *types.Transaction
|
||
if tx, _, _, _ = core.GetTransaction(s.b.ChainDb(), hash); tx == nil {
|
||
if tx = s.b.GetPoolTransaction(hash); tx == nil {
|
||
return []*lendingstate.LendingItem{}, nil
|
||
}
|
||
}
|
||
|
||
batch, err := lendingstate.DecodeTxLendingBatch(tx.Data())
|
||
if err != nil {
|
||
return []*lendingstate.LendingItem{}, err
|
||
}
|
||
return batch.Data, nil
|
||
}
|
||
|
||
// GetLiquidatedTradesByTxHash returns trades which closed by XDCX protocol at the tx of the give hash
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLiquidatedTradesByTxHash(ctx context.Context, hash common.Hash) (lendingstate.FinalizedResult, error) {
|
||
var tx *types.Transaction
|
||
if tx, _, _, _ = core.GetTransaction(s.b.ChainDb(), hash); tx == nil {
|
||
if tx = s.b.GetPoolTransaction(hash); tx == nil {
|
||
return lendingstate.FinalizedResult{}, nil
|
||
}
|
||
}
|
||
|
||
finalizedResult, err := lendingstate.DecodeFinalizedResult(tx.Data())
|
||
if err != nil {
|
||
return lendingstate.FinalizedResult{}, err
|
||
}
|
||
finalizedResult.TxHash = hash
|
||
return finalizedResult, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingOrderById(ctx context.Context, lendingToken common.Address, term uint64, orderId uint64) (lendingstate.LendingItem, error) {
|
||
lendingItem := lendingstate.LendingItem{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return lendingItem, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return lendingItem, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return lendingItem, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return lendingItem, err
|
||
}
|
||
lendingOrderBook := lendingstate.GetLendingOrderBookHash(lendingToken, term)
|
||
orderIdHash := common.BigToHash(new(big.Int).SetUint64(orderId))
|
||
lendingItem = lendingState.GetLendingOrder(lendingOrderBook, orderIdHash)
|
||
if lendingItem.LendingId != orderId {
|
||
return lendingItem, errors.New("Lending Item not found")
|
||
}
|
||
return lendingItem, nil
|
||
}
|
||
|
||
func (s *PublicXDCXTransactionPoolAPI) GetLendingTradeById(ctx context.Context, lendingToken common.Address, term uint64, tradeId uint64) (lendingstate.LendingTrade, error) {
|
||
lendingItem := lendingstate.LendingTrade{}
|
||
block := s.b.CurrentBlock()
|
||
if block == nil {
|
||
return lendingItem, errors.New("Current block not found")
|
||
}
|
||
lendingService := s.b.LendingService()
|
||
if lendingService == nil {
|
||
return lendingItem, errors.New("XDCX Lending service not found")
|
||
}
|
||
author, err := s.b.GetEngine().Author(block.Header())
|
||
if err != nil {
|
||
return lendingItem, err
|
||
}
|
||
lendingState, err := lendingService.GetLendingState(block, author)
|
||
if err != nil {
|
||
return lendingItem, err
|
||
}
|
||
lendingOrderBook := lendingstate.GetLendingOrderBookHash(lendingToken, term)
|
||
tradeIdHash := common.BigToHash(new(big.Int).SetUint64(tradeId))
|
||
lendingItem = lendingState.GetLendingTrade(lendingOrderBook, tradeIdHash)
|
||
if lendingItem.TradeId != tradeId {
|
||
return lendingItem, errors.New("Lending Item not found")
|
||
}
|
||
return lendingItem, nil
|
||
}
|
||
|
||
// Sign calculates an ECDSA signature for:
|
||
// keccack256("\x19Ethereum Signed Message:\n" + len(message) + message).
|
||
//
|
||
// Note, the produced signature conforms to the secp256k1 curve R, S and V values,
|
||
// where the V value will be 27 or 28 for legacy reasons.
|
||
//
|
||
// The account associated with addr must be unlocked.
|
||
//
|
||
// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
|
||
func (s *PublicTransactionPoolAPI) Sign(addr common.Address, data hexutil.Bytes) (hexutil.Bytes, error) {
|
||
// Look up the wallet containing the requested signer
|
||
account := accounts.Account{Address: addr}
|
||
|
||
wallet, err := s.b.AccountManager().Find(account)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
// Sign the requested hash with the wallet
|
||
signature, err := wallet.SignHash(account, signHash(data))
|
||
if err == nil {
|
||
signature[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
|
||
}
|
||
return signature, err
|
||
}
|
||
|
||
// SignTransactionResult represents a RLP encoded signed transaction.
|
||
type SignTransactionResult struct {
|
||
Raw hexutil.Bytes `json:"raw"`
|
||
Tx *types.Transaction `json:"tx"`
|
||
}
|
||
|
||
// SignTransaction will sign the given transaction with the from account.
|
||
// The node needs to have the private key of the account corresponding with
|
||
// the given from address and it needs to be unlocked.
|
||
func (s *PublicTransactionPoolAPI) SignTransaction(ctx context.Context, args SendTxArgs) (*SignTransactionResult, error) {
|
||
if args.Gas == nil {
|
||
return nil, fmt.Errorf("gas not specified")
|
||
}
|
||
if args.GasPrice == nil {
|
||
return nil, fmt.Errorf("gasPrice not specified")
|
||
}
|
||
if args.Nonce == nil {
|
||
return nil, fmt.Errorf("nonce not specified")
|
||
}
|
||
if err := args.setDefaults(ctx, s.b); err != nil {
|
||
return nil, err
|
||
}
|
||
tx, err := s.sign(args.From, args.toTransaction())
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
data, err := tx.MarshalBinary()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return &SignTransactionResult{data, tx}, 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 {
|
||
from, _ := types.Sender(s.signer, tx)
|
||
if _, exists := accounts[from]; exists {
|
||
transactions = append(transactions, newRPCPendingTransaction(tx))
|
||
}
|
||
}
|
||
return transactions, nil
|
||
}
|
||
|
||
// Resend accepts an existing transaction and a new gas price and limit. It will remove
|
||
// the given transaction from the pool and reinsert it with the new gas price and limit.
|
||
func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, sendArgs SendTxArgs, gasPrice *hexutil.Big, gasLimit *hexutil.Uint64) (common.Hash, error) {
|
||
if sendArgs.Nonce == nil {
|
||
return common.Hash{}, fmt.Errorf("missing transaction nonce in transaction spec")
|
||
}
|
||
if err := sendArgs.setDefaults(ctx, s.b); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
matchTx := sendArgs.toTransaction()
|
||
|
||
// Iterate the pending list for replacement
|
||
pending, err := s.b.GetPoolTransactions()
|
||
if err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
for _, p := range pending {
|
||
wantSigHash := s.signer.Hash(matchTx)
|
||
pFrom, err := types.Sender(s.signer, p)
|
||
if err == nil && pFrom == sendArgs.From && s.signer.Hash(p) == wantSigHash {
|
||
// Match. Re-sign and send the transaction.
|
||
if gasPrice != nil && (*big.Int)(gasPrice).Sign() != 0 {
|
||
sendArgs.GasPrice = gasPrice
|
||
}
|
||
if gasLimit != nil && *gasLimit != 0 {
|
||
sendArgs.Gas = gasLimit
|
||
}
|
||
signedTx, err := s.sign(sendArgs.From, sendArgs.toTransaction())
|
||
if err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
if err = s.b.SendTx(ctx, signedTx); err != nil {
|
||
return common.Hash{}, err
|
||
}
|
||
return signedTx.Hash(), nil
|
||
}
|
||
}
|
||
return common.Hash{}, fmt.Errorf("transaction %#x not found", matchTx.Hash())
|
||
}
|
||
|
||
// PublicDebugAPI is the collection of Ethereum APIs exposed over the public
|
||
// debugging endpoint.
|
||
type PublicDebugAPI struct {
|
||
b Backend
|
||
}
|
||
|
||
// NewPublicDebugAPI creates a new API definition for the public debug methods
|
||
// of the Ethereum service.
|
||
func NewPublicDebugAPI(b Backend) *PublicDebugAPI {
|
||
return &PublicDebugAPI{b: b}
|
||
}
|
||
|
||
// GetBlockRlp retrieves the RLP encoded for of a single block.
|
||
func (api *PublicDebugAPI) GetBlockRlp(ctx context.Context, number uint64) (string, error) {
|
||
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
||
if block == nil {
|
||
return "", fmt.Errorf("block #%d not found", number)
|
||
}
|
||
encoded, err := rlp.EncodeToBytes(block)
|
||
if err != nil {
|
||
return "", err
|
||
}
|
||
return fmt.Sprintf("%x", encoded), nil
|
||
}
|
||
|
||
// PrintBlock retrieves a block and returns its pretty printed form.
|
||
func (api *PublicDebugAPI) PrintBlock(ctx context.Context, number uint64) (string, error) {
|
||
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
||
if block == nil {
|
||
return "", fmt.Errorf("block #%d not found", number)
|
||
}
|
||
return block.String(), nil
|
||
}
|
||
|
||
// SeedHash retrieves the seed hash of a block.
|
||
func (api *PublicDebugAPI) SeedHash(ctx context.Context, number uint64) (string, error) {
|
||
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
||
if block == nil {
|
||
return "", fmt.Errorf("block #%d not found", number)
|
||
}
|
||
return fmt.Sprintf("0x%x", ethash.SeedHash(number)), nil
|
||
}
|
||
|
||
// PrivateDebugAPI is the collection of Ethereum APIs exposed over the private
|
||
// debugging endpoint.
|
||
type PrivateDebugAPI struct {
|
||
b Backend
|
||
}
|
||
|
||
// NewPrivateDebugAPI creates a new API definition for the private debug methods
|
||
// of the Ethereum service.
|
||
func NewPrivateDebugAPI(b Backend) *PrivateDebugAPI {
|
||
return &PrivateDebugAPI{b: b}
|
||
}
|
||
|
||
// ChaindbProperty returns leveldb properties of the chain database.
|
||
func (api *PrivateDebugAPI) ChaindbProperty(property string) (string, error) {
|
||
ldb, ok := api.b.ChainDb().(interface {
|
||
LDB() *leveldb.DB
|
||
})
|
||
if !ok {
|
||
return "", fmt.Errorf("chaindbProperty does not work for memory databases")
|
||
}
|
||
if property == "" {
|
||
property = "leveldb.stats"
|
||
} else if !strings.HasPrefix(property, "leveldb.") {
|
||
property = "leveldb." + property
|
||
}
|
||
return ldb.LDB().GetProperty(property)
|
||
}
|
||
|
||
func (api *PrivateDebugAPI) ChaindbCompact() error {
|
||
ldb, ok := api.b.ChainDb().(interface {
|
||
LDB() *leveldb.DB
|
||
})
|
||
if !ok {
|
||
return fmt.Errorf("chaindbCompact does not work for memory databases")
|
||
}
|
||
for b := byte(0); b < 255; b++ {
|
||
log.Info("Compacting chain database", "range", fmt.Sprintf("0x%0.2X-0x%0.2X", b, b+1))
|
||
err := ldb.LDB().CompactRange(util.Range{Start: []byte{b}, Limit: []byte{b + 1}})
|
||
if err != nil {
|
||
log.Error("Database compaction failed", "err", err)
|
||
return err
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// SetHead rewinds the head of the blockchain to a previous block.
|
||
func (api *PrivateDebugAPI) SetHead(number hexutil.Uint64) {
|
||
api.b.SetHead(uint64(number))
|
||
}
|
||
|
||
// PublicNetAPI offers network related RPC methods
|
||
type PublicNetAPI struct {
|
||
net *p2p.Server
|
||
networkVersion uint64
|
||
}
|
||
|
||
// NewPublicNetAPI creates a new net API instance.
|
||
func NewPublicNetAPI(net *p2p.Server, networkVersion uint64) *PublicNetAPI {
|
||
return &PublicNetAPI{net, networkVersion}
|
||
}
|
||
|
||
// Listening returns an indication if the node is listening for network connections.
|
||
func (s *PublicNetAPI) Listening() bool {
|
||
return true // always listening
|
||
}
|
||
|
||
// PeerCount returns the number of connected peers
|
||
func (s *PublicNetAPI) PeerCount() hexutil.Uint {
|
||
return hexutil.Uint(s.net.PeerCount())
|
||
}
|
||
|
||
// Version returns the current ethereum protocol version.
|
||
func (s *PublicNetAPI) Version() string {
|
||
return fmt.Sprintf("%d", s.networkVersion)
|
||
}
|
||
|
||
func GetSignersFromBlocks(b Backend, blockNumber uint64, blockHash common.Hash, masternodes []common.Address) ([]common.Address, error) {
|
||
var addrs []common.Address
|
||
mapMN := map[common.Address]bool{}
|
||
for _, node := range masternodes {
|
||
mapMN[node] = true
|
||
}
|
||
signer := types.MakeSigner(b.ChainConfig(), new(big.Int).SetUint64(blockNumber))
|
||
if engine, ok := b.GetEngine().(*XDPoS.XDPoS); ok {
|
||
limitNumber := blockNumber + common.LimitTimeFinality
|
||
currentNumber := b.CurrentBlock().NumberU64()
|
||
if limitNumber > currentNumber {
|
||
limitNumber = currentNumber
|
||
}
|
||
for i := blockNumber + 1; i <= limitNumber; i++ {
|
||
header, err := b.HeaderByNumber(nil, rpc.BlockNumber(i))
|
||
if err != nil {
|
||
return addrs, err
|
||
}
|
||
blockData, err := b.BlockByNumber(nil, rpc.BlockNumber(i))
|
||
if err != nil {
|
||
return addrs, err
|
||
}
|
||
signTxs := engine.CacheSigningTxs(header.Hash(), blockData.Transactions())
|
||
for _, signtx := range signTxs {
|
||
blkHash := common.BytesToHash(signtx.Data()[len(signtx.Data())-32:])
|
||
from, _ := types.Sender(signer, signtx)
|
||
if blkHash == blockHash && mapMN[from] {
|
||
addrs = append(addrs, from)
|
||
delete(mapMN, from)
|
||
}
|
||
}
|
||
if len(mapMN) == 0 {
|
||
break
|
||
}
|
||
}
|
||
}
|
||
return addrs, nil
|
||
}
|
||
|
||
// GetStakerROI Estimate ROI for stakers using the last epoc reward
|
||
// then multiple by epoch per year, if the address is not masternode of last epoch - return 0
|
||
// Formular:
|
||
//
|
||
// ROI = average_latest_epoch_reward_for_voters*number_of_epoch_per_year/latest_total_cap*100
|
||
func (s *PublicBlockChainAPI) GetStakerROI() float64 {
|
||
blockNumber := s.b.CurrentBlock().Number().Uint64()
|
||
lastCheckpointNumber := blockNumber - (blockNumber % s.b.ChainConfig().XDPoS.Epoch) - s.b.ChainConfig().XDPoS.Epoch // calculate for 2 epochs ago
|
||
totalCap := new(big.Int).SetUint64(0)
|
||
|
||
mastersCap := s.b.GetMasternodesCap(lastCheckpointNumber)
|
||
if mastersCap == nil {
|
||
return 0
|
||
}
|
||
|
||
masternodeReward := new(big.Int).Mul(new(big.Int).SetUint64(s.b.ChainConfig().XDPoS.Reward), new(big.Int).SetUint64(params.Ether))
|
||
|
||
for _, cap := range mastersCap {
|
||
totalCap.Add(totalCap, cap)
|
||
}
|
||
|
||
holderReward := new(big.Int).Div(masternodeReward, new(big.Int).SetUint64(2))
|
||
EpochPerYear := 365 * 86400 / s.b.GetEpochDuration().Uint64()
|
||
voterRewardAYear := new(big.Int).Mul(holderReward, new(big.Int).SetUint64(EpochPerYear))
|
||
return 100.0 / float64(totalCap.Div(totalCap, voterRewardAYear).Uint64())
|
||
}
|
||
|
||
// GetStakerROIMasternode Estimate ROI for stakers of a specific masternode using the last epoc reward
|
||
// then multiple by epoch per year, if the address is not masternode of last epoch - return 0
|
||
// Formular:
|
||
//
|
||
// ROI = latest_epoch_reward_for_voters*number_of_epoch_per_year/latest_total_cap*100
|
||
func (s *PublicBlockChainAPI) GetStakerROIMasternode(masternode common.Address) float64 {
|
||
votersReward := s.b.GetVotersRewards(masternode)
|
||
if votersReward == nil {
|
||
return 0
|
||
}
|
||
|
||
masternodeReward := new(big.Int).SetUint64(0) // this includes all reward for this masternode
|
||
voters := []common.Address{}
|
||
for voter, reward := range votersReward {
|
||
voters = append(voters, voter)
|
||
masternodeReward.Add(masternodeReward, reward)
|
||
}
|
||
|
||
blockNumber := s.b.CurrentBlock().Number().Uint64()
|
||
lastCheckpointNumber := blockNumber - blockNumber%s.b.ChainConfig().XDPoS.Epoch
|
||
totalCap := new(big.Int).SetUint64(0)
|
||
votersCap := s.b.GetVotersCap(new(big.Int).SetUint64(lastCheckpointNumber), masternode, voters)
|
||
|
||
for _, cap := range votersCap {
|
||
totalCap.Add(totalCap, cap)
|
||
}
|
||
|
||
// holder reward = 50% total reward of a masternode
|
||
holderReward := new(big.Int).Div(masternodeReward, new(big.Int).SetUint64(2))
|
||
EpochPerYear := 365 * 86400 / s.b.GetEpochDuration().Uint64()
|
||
voterRewardAYear := new(big.Int).Mul(holderReward, new(big.Int).SetUint64(EpochPerYear))
|
||
|
||
return 100.0 / float64(totalCap.Div(totalCap, voterRewardAYear).Uint64())
|
||
}
|
||
|
||
// checkTxFee is an internal function used to check whether the fee of
|
||
// the given transaction is _reasonable_(under the cap).
|
||
func checkTxFee(gasPrice *big.Int, gas uint64, cap float64) error {
|
||
// Short circuit if there is no cap for transaction fee at all.
|
||
if cap == 0 {
|
||
return nil
|
||
}
|
||
feeEth := new(big.Float).Quo(new(big.Float).SetInt(new(big.Int).Mul(gasPrice, new(big.Int).SetUint64(gas))), new(big.Float).SetInt(big.NewInt(params.Ether)))
|
||
feeFloat, _ := feeEth.Float64()
|
||
if feeFloat > cap {
|
||
return fmt.Errorf("tx fee (%.2f ether) exceeds the configured cap (%.2f ether)", feeFloat, cap)
|
||
}
|
||
return nil
|
||
}
|