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

313 lines
8.7 KiB

package rpc
import (
"bytes"
"encoding/hex"
"encoding/json"
"fmt"
"math/big"
"strconv"
"strings"
"time"
internal_common "github.com/harmony-one/harmony/internal/common"
"github.com/pkg/errors"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/rlp"
"github.com/harmony-one/harmony/eth/rpc"
"github.com/harmony-one/harmony/block"
"github.com/harmony-one/harmony/core/types"
"github.com/harmony-one/harmony/internal/utils"
"github.com/harmony-one/harmony/numeric"
"github.com/harmony-one/harmony/shard"
jsoniter "github.com/json-iterator/go"
)
// 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"`
}
// ToMessage converts CallArgs to the Message type used by the core evm
// Adapted from go-ethereum/internal/ethapi/api.go
func (args *CallArgs) ToMessage(globalGasCap *big.Int) types.Message {
// Set sender address or use zero address if none specified.
var addr common.Address
if args.From != nil {
addr = *args.From
}
// Set default gas & gas price if none were set
gas := uint64(math.MaxUint64 / 2)
if args.Gas != nil {
gas = uint64(*args.Gas)
}
if globalGasCap != nil && globalGasCap.Uint64() < gas {
utils.Logger().Warn().
Uint64("requested", gas).
Uint64("cap", globalGasCap.Uint64()).
Msg("Caller gas above allowance, capping")
gas = globalGasCap.Uint64()
}
gasPrice := new(big.Int)
if args.GasPrice != nil {
gasPrice = args.GasPrice.ToInt()
}
value := new(big.Int)
if args.Value != nil {
value = args.Value.ToInt()
}
var data []byte
if args.Data != nil {
data = []byte(*args.Data)
}
msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false)
return msg
}
// StakingNetworkInfo returns global staking info.
type StakingNetworkInfo struct {
TotalSupply numeric.Dec `json:"total-supply"`
CirculatingSupply numeric.Dec `json:"circulating-supply"`
EpochLastBlock uint64 `json:"epoch-last-block"`
TotalStaking *big.Int `json:"total-staking"`
MedianRawStake numeric.Dec `json:"median-raw-stake"`
}
// Delegation represents a particular delegation to a validator
type Delegation struct {
ValidatorAddress string `json:"validator_address"`
DelegatorAddress string `json:"delegator_address"`
Amount *big.Int `json:"amount"`
Reward *big.Int `json:"reward"`
Undelegations []Undelegation `json:"Undelegations"`
}
// Undelegation represents one undelegation entry
type Undelegation struct {
Amount *big.Int
Epoch *big.Int
}
// StructuredResponse type of RPCs
type StructuredResponse = map[string]interface{}
// NewStructuredResponse creates a structured response from the given input
func NewStructuredResponse(input interface{}) (StructuredResponse, error) {
var objMap StructuredResponse
var jsonIter = jsoniter.ConfigCompatibleWithStandardLibrary
dat, err := jsonIter.Marshal(input)
if err != nil {
return nil, err
}
d := jsonIter.NewDecoder(bytes.NewReader(dat))
d.UseNumber()
err = d.Decode(&objMap)
if err != nil {
return nil, err
}
return objMap, nil
}
// BlockNumber ..
type BlockNumber rpc.BlockNumber
const (
// LatestBlockNumber is the alias to rpc latest block number
LatestBlockNumber = BlockNumber(rpc.LatestBlockNumber)
// PendingBlockNumber is the alias to rpc pending block number
PendingBlockNumber = BlockNumber(rpc.PendingBlockNumber)
)
// UnmarshalJSON converts a hex string or integer to a block number
func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
baseBn := rpc.BlockNumber(0)
baseErr := baseBn.UnmarshalJSON(data)
if baseErr != nil {
input := strings.TrimSpace(string(data))
if len(input) >= 2 && input[0] == '"' && input[len(input)-1] == '"' {
input = input[1 : len(input)-1]
}
input = strings.TrimPrefix(input, "0x")
num, err := strconv.ParseInt(input, 10, 64)
if err != nil {
return err
}
*bn = BlockNumber(num)
return nil
}
*bn = BlockNumber(baseBn)
return nil
}
// Int64 ..
func (bn BlockNumber) Int64() int64 {
return (int64)(bn)
}
// EthBlockNumber ..
func (bn BlockNumber) EthBlockNumber() rpc.BlockNumber {
return (rpc.BlockNumber)(bn)
}
// TransactionIndex ..
type TransactionIndex uint64
// UnmarshalJSON converts a hex string or integer to a Transaction index
func (i *TransactionIndex) UnmarshalJSON(data []byte) (err error) {
input := strings.TrimSpace(string(data))
if len(input) >= 2 && input[0] == '"' && input[len(input)-1] == '"' {
input = input[1 : len(input)-1]
}
var num int64
if strings.HasPrefix(input, "0x") {
num, err = strconv.ParseInt(strings.TrimPrefix(input, "0x"), 16, 64)
} else {
num, err = strconv.ParseInt(input, 10, 64)
}
if err != nil {
return err
}
*i = TransactionIndex(num)
return nil
}
// TxHistoryArgs is struct to include optional transaction formatting params.
type TxHistoryArgs struct {
Address string `json:"address"`
PageIndex uint32 `json:"pageIndex"`
PageSize uint32 `json:"pageSize"`
FullTx bool `json:"fullTx"`
TxType string `json:"txType"`
Order string `json:"order"`
}
// UnmarshalFromInterface ..
func (ta *TxHistoryArgs) UnmarshalFromInterface(blockArgs interface{}) error {
var args TxHistoryArgs
dat, err := json.Marshal(blockArgs)
if err != nil {
return err
}
if err := json.Unmarshal(dat, &args); err != nil {
return err
}
*ta = args
return nil
}
// HeaderInformation represents the latest consensus information
type HeaderInformation struct {
BlockHash common.Hash `json:"blockHash"`
BlockNumber uint64 `json:"blockNumber"`
ShardID uint32 `json:"shardID"`
Leader string `json:"leader"`
ViewID uint64 `json:"viewID"`
Epoch uint64 `json:"epoch"`
Timestamp string `json:"timestamp"`
UnixTime uint64 `json:"unixtime"`
LastCommitSig string `json:"lastCommitSig"`
LastCommitBitmap string `json:"lastCommitBitmap"`
VRF string `json:"vrf"`
VRFProof string `json:"vrfProof"`
CrossLinks *types.CrossLinks `json:"crossLinks,omitempty"`
}
// NewHeaderInformation returns the header information that will serialize to the RPC representation.
func NewHeaderInformation(header *block.Header, leader string) *HeaderInformation {
if header == nil {
return nil
}
vrfAndProof := header.Vrf()
vrf := common.Hash{}
vrfProof := []byte{}
if len(vrfAndProof) == 32+96 {
copy(vrf[:], vrfAndProof[:32])
vrfProof = vrfAndProof[32:]
}
result := &HeaderInformation{
BlockHash: header.Hash(),
BlockNumber: header.Number().Uint64(),
ShardID: header.ShardID(),
Leader: leader,
ViewID: header.ViewID().Uint64(),
Epoch: header.Epoch().Uint64(),
UnixTime: header.Time().Uint64(),
Timestamp: time.Unix(header.Time().Int64(), 0).UTC().String(),
LastCommitBitmap: hex.EncodeToString(header.LastCommitBitmap()),
VRF: hex.EncodeToString(vrf[:]),
VRFProof: hex.EncodeToString(vrfProof),
}
sig := header.LastCommitSignature()
result.LastCommitSig = hex.EncodeToString(sig[:])
if header.ShardID() == shard.BeaconChainShardID {
decodedCrossLinks := &types.CrossLinks{}
err := rlp.DecodeBytes(header.CrossLinks(), decodedCrossLinks)
if err != nil {
result.CrossLinks = &types.CrossLinks{}
} else {
result.CrossLinks = decodedCrossLinks
}
}
return result
}
// AddressOrList represents an address or a list of addresses
type AddressOrList struct {
Address *common.Address
AddressList []common.Address
}
// UnmarshalJSON defines the input parsing of AddressOrList
func (aol *AddressOrList) UnmarshalJSON(data []byte) (err error) {
var itf interface{}
if err := json.Unmarshal(data, &itf); err != nil {
return err
}
switch d := itf.(type) {
case string: // Single address
addr, err := internal_common.ParseAddr(d)
if err != nil {
return err
}
aol.Address = &addr
return nil
case []interface{}: // Address array
var addrs []common.Address
for _, addrItf := range d {
addrStr, ok := addrItf.(string)
if !ok {
return errors.New("not invalid address array")
}
addr, err := internal_common.ParseAddr(addrStr)
if err != nil {
return fmt.Errorf("invalid address: %v", addrStr)
}
addrs = append(addrs, addr)
}
aol.AddressList = addrs
return nil
default:
return errors.New("must provide one address or address list")
}
}