/
conversions.go
executable file
·477 lines (444 loc) · 19.8 KB
/
conversions.go
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package gqltypes
import (
"fmt"
"math/big"
"strings"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/map-bgp/browserbook/browserbook-mesh/common/types"
"github.com/map-bgp/browserbook/browserbook-mesh/db"
"github.com/map-bgp/browserbook/browserbook-mesh/zeroex"
"github.com/map-bgp/browserbook/browserbook-mesh/zeroex/ordervalidator"
)
func StatsFromCommonType(stats *types.Stats) *Stats {
return &Stats{
Version: stats.Version,
PubSubTopic: stats.PubSubTopic,
Rendezvous: stats.Rendezvous,
PeerID: stats.PeerID,
// TODO(albrow): This should be a big.Int in core package.
EthereumChainID: stats.EthereumChainID,
// TODO(albrow): LatestBlock should be a pointer in core package.
LatestBlock: LatestBlockFromCommonType(stats.LatestBlock),
NumPeers: stats.NumPeers,
NumOrders: stats.NumOrders,
NumOrdersIncludingRemoved: stats.NumOrdersIncludingRemoved,
StartOfCurrentUTCDay: stats.StartOfCurrentUTCDay.Format(time.RFC3339),
EthRPCRequestsSentInCurrentUTCDay: stats.EthRPCRequestsSentInCurrentUTCDay,
EthRPCRateLimitExpiredRequests: int(stats.EthRPCRateLimitExpiredRequests),
SecondaryRendezvous: stats.SecondaryRendezvous,
MaxExpirationTime: stats.MaxExpirationTime.String(),
}
}
func LatestBlockFromCommonType(latestBlock types.LatestBlock) *LatestBlock {
return &LatestBlock{
Number: latestBlock.Number.String(),
Hash: latestBlock.Hash.String(),
}
}
func NewOrderToSignedOrder(newOrder *NewOrder) *zeroex.SignedOrder {
return &zeroex.SignedOrder{
Order: zeroex.Order{
ChainID: math.MustParseBig256(newOrder.ChainID),
ExchangeAddress: common.HexToAddress(newOrder.ExchangeAddress),
MakerAddress: common.HexToAddress(newOrder.MakerAddress),
MakerAssetData: types.HexToBytes(newOrder.MakerAssetData),
MakerFeeAssetData: types.HexToBytes(newOrder.MakerFeeAssetData),
MakerAssetAmount: math.MustParseBig256(newOrder.MakerAssetAmount),
MakerFee: math.MustParseBig256(newOrder.MakerFee),
TakerAddress: common.HexToAddress(newOrder.TakerAddress),
TakerAssetData: types.HexToBytes(newOrder.TakerAssetData),
TakerFeeAssetData: types.HexToBytes(newOrder.TakerFeeAssetData),
TakerAssetAmount: math.MustParseBig256(newOrder.TakerAssetAmount),
TakerFee: math.MustParseBig256(newOrder.TakerFee),
SenderAddress: common.HexToAddress(newOrder.SenderAddress),
FeeRecipientAddress: common.HexToAddress(newOrder.FeeRecipientAddress),
ExpirationTimeSeconds: math.MustParseBig256(newOrder.ExpirationTimeSeconds),
Salt: math.MustParseBig256(newOrder.Salt),
},
Signature: types.HexToBytes(newOrder.Signature),
}
}
func NewOrdersToSignedOrders(newOrders []*NewOrder) []*zeroex.SignedOrder {
result := make([]*zeroex.SignedOrder, len(newOrders))
for i, newOrder := range newOrders {
result[i] = NewOrderToSignedOrder(newOrder)
}
return result
}
func NewOrderFromSignedOrder(signedOrder *zeroex.SignedOrder) *NewOrder {
return &NewOrder{
ChainID: signedOrder.ChainID.String(),
ExchangeAddress: strings.ToLower(signedOrder.ExchangeAddress.Hex()),
MakerAddress: strings.ToLower(signedOrder.MakerAddress.Hex()),
MakerAssetData: types.BytesToHex(signedOrder.MakerAssetData),
MakerFeeAssetData: types.BytesToHex(signedOrder.MakerFeeAssetData),
MakerAssetAmount: signedOrder.MakerAssetAmount.String(),
MakerFee: signedOrder.MakerFee.String(),
TakerAddress: strings.ToLower(signedOrder.TakerAddress.Hex()),
TakerAssetData: types.BytesToHex(signedOrder.TakerAssetData),
TakerFeeAssetData: types.BytesToHex(signedOrder.TakerFeeAssetData),
TakerAssetAmount: signedOrder.TakerAssetAmount.String(),
TakerFee: signedOrder.TakerFee.String(),
SenderAddress: strings.ToLower(signedOrder.SenderAddress.Hex()),
FeeRecipientAddress: strings.ToLower(signedOrder.FeeRecipientAddress.Hex()),
ExpirationTimeSeconds: signedOrder.ExpirationTimeSeconds.String(),
Salt: signedOrder.Salt.String(),
Signature: types.BytesToHex(signedOrder.Signature),
}
}
func NewOrdersFromSignedOrders(signedOrders []*zeroex.SignedOrder) []*NewOrder {
result := make([]*NewOrder, len(signedOrders))
for i, order := range signedOrders {
result[i] = NewOrderFromSignedOrder(order)
}
return result
}
func OrderWithMetadataFromCommonType(order *types.OrderWithMetadata) *OrderWithMetadata {
return &OrderWithMetadata{
Hash: order.Hash.Hex(),
ChainID: order.ChainID.String(),
ExchangeAddress: strings.ToLower(order.ExchangeAddress.Hex()),
MakerAddress: strings.ToLower(order.MakerAddress.Hex()),
MakerAssetData: types.BytesToHex(order.MakerAssetData),
MakerFeeAssetData: types.BytesToHex(order.MakerFeeAssetData),
MakerAssetAmount: order.MakerAssetAmount.String(),
MakerFee: order.MakerFee.String(),
TakerAddress: strings.ToLower(order.TakerAddress.Hex()),
TakerAssetData: types.BytesToHex(order.TakerAssetData),
TakerFeeAssetData: types.BytesToHex(order.TakerFeeAssetData),
TakerAssetAmount: order.TakerAssetAmount.String(),
TakerFee: order.TakerFee.String(),
SenderAddress: strings.ToLower(order.SenderAddress.Hex()),
FeeRecipientAddress: strings.ToLower(order.FeeRecipientAddress.Hex()),
ExpirationTimeSeconds: order.ExpirationTimeSeconds.String(),
Salt: order.Salt.String(),
Signature: types.BytesToHex(order.Signature),
FillableTakerAssetAmount: order.FillableTakerAssetAmount.String(),
}
}
func OrdersWithMetadataFromCommonType(orders []*types.OrderWithMetadata) []*OrderWithMetadata {
result := make([]*OrderWithMetadata, len(orders))
for i, order := range orders {
result[i] = OrderWithMetadataFromCommonType(order)
}
return result
}
func AddOrdersResultsFromValidationResults(validationResults *ordervalidator.ValidationResults) (*AddOrdersResults, error) {
rejected, err := RejectedOrderResultsFromOrderInfos(validationResults.Rejected)
if err != nil {
return nil, err
}
return &AddOrdersResults{
Accepted: AcceptedOrderResultsFromOrderInfos(validationResults.Accepted),
Rejected: rejected,
}, nil
}
func AcceptedOrderResultFromOrderInfo(info *ordervalidator.AcceptedOrderInfo) *AcceptedOrderResult {
return &AcceptedOrderResult{
Order: &OrderWithMetadata{
Hash: info.OrderHash.String(),
ChainID: info.SignedOrder.ChainID.String(),
ExchangeAddress: strings.ToLower(info.SignedOrder.ExchangeAddress.Hex()),
MakerAddress: strings.ToLower(info.SignedOrder.MakerAddress.Hex()),
MakerAssetData: types.BytesToHex(info.SignedOrder.MakerAssetData),
MakerFeeAssetData: types.BytesToHex(info.SignedOrder.MakerFeeAssetData),
MakerAssetAmount: info.SignedOrder.MakerAssetAmount.String(),
MakerFee: info.SignedOrder.MakerFee.String(),
TakerAddress: strings.ToLower(info.SignedOrder.TakerAddress.Hex()),
TakerAssetData: types.BytesToHex(info.SignedOrder.TakerAssetData),
TakerFeeAssetData: types.BytesToHex(info.SignedOrder.TakerFeeAssetData),
TakerAssetAmount: info.SignedOrder.TakerAssetAmount.String(),
TakerFee: info.SignedOrder.TakerFee.String(),
SenderAddress: strings.ToLower(info.SignedOrder.SenderAddress.Hex()),
FeeRecipientAddress: strings.ToLower(info.SignedOrder.FeeRecipientAddress.Hex()),
ExpirationTimeSeconds: info.SignedOrder.ExpirationTimeSeconds.String(),
Salt: info.SignedOrder.Salt.String(),
Signature: types.BytesToHex(info.SignedOrder.Signature),
FillableTakerAssetAmount: info.FillableTakerAssetAmount.String(),
},
IsNew: info.IsNew,
}
}
func AcceptedOrderResultsFromOrderInfos(infos []*ordervalidator.AcceptedOrderInfo) []*AcceptedOrderResult {
result := make([]*AcceptedOrderResult, len(infos))
for i, info := range infos {
result[i] = AcceptedOrderResultFromOrderInfo(info)
}
return result
}
func RejectedOrderResultFromOrderInfo(info *ordervalidator.RejectedOrderInfo) (*RejectedOrderResult, error) {
var hash *string
if hashString := info.OrderHash.Hex(); hashString != "0x" {
hash = &hashString
}
code, err := RejectedCodeFromValidatorStatus(info.Status)
if err != nil {
return nil, err
}
return &RejectedOrderResult{
Hash: hash,
Order: &Order{
ChainID: info.SignedOrder.ChainID.String(),
ExchangeAddress: strings.ToLower(info.SignedOrder.ExchangeAddress.Hex()),
MakerAddress: strings.ToLower(info.SignedOrder.MakerAddress.Hex()),
MakerAssetData: types.BytesToHex(info.SignedOrder.MakerAssetData),
MakerFeeAssetData: types.BytesToHex(info.SignedOrder.MakerFeeAssetData),
MakerAssetAmount: info.SignedOrder.MakerAssetAmount.String(),
MakerFee: info.SignedOrder.MakerFee.String(),
TakerAddress: strings.ToLower(info.SignedOrder.TakerAddress.Hex()),
TakerAssetData: types.BytesToHex(info.SignedOrder.TakerAssetData),
TakerFeeAssetData: types.BytesToHex(info.SignedOrder.TakerFeeAssetData),
TakerAssetAmount: info.SignedOrder.TakerAssetAmount.String(),
TakerFee: info.SignedOrder.TakerFee.String(),
SenderAddress: strings.ToLower(info.SignedOrder.SenderAddress.Hex()),
FeeRecipientAddress: strings.ToLower(info.SignedOrder.FeeRecipientAddress.Hex()),
ExpirationTimeSeconds: info.SignedOrder.ExpirationTimeSeconds.String(),
Salt: info.SignedOrder.Salt.String(),
Signature: types.BytesToHex(info.SignedOrder.Signature),
},
Code: code,
Message: info.Status.Message,
}, nil
}
func RejectedOrderResultsFromOrderInfos(infos []*ordervalidator.RejectedOrderInfo) ([]*RejectedOrderResult, error) {
result := make([]*RejectedOrderResult, len(infos))
for i, info := range infos {
rejectedResult, err := RejectedOrderResultFromOrderInfo(info)
if err != nil {
return nil, err
}
result[i] = rejectedResult
}
return result, nil
}
func OrderEventFromZeroExType(event *zeroex.OrderEvent) *OrderEvent {
return &OrderEvent{
Order: &OrderWithMetadata{
Hash: event.OrderHash.String(),
ChainID: event.SignedOrder.ChainID.String(),
ExchangeAddress: strings.ToLower(event.SignedOrder.ExchangeAddress.Hex()),
MakerAddress: strings.ToLower(event.SignedOrder.MakerAddress.Hex()),
MakerAssetData: types.BytesToHex(event.SignedOrder.MakerAssetData),
MakerFeeAssetData: types.BytesToHex(event.SignedOrder.MakerFeeAssetData),
MakerAssetAmount: event.SignedOrder.MakerAssetAmount.String(),
MakerFee: event.SignedOrder.MakerFee.String(),
TakerAddress: strings.ToLower(event.SignedOrder.TakerAddress.Hex()),
TakerAssetData: types.BytesToHex(event.SignedOrder.TakerAssetData),
TakerFeeAssetData: types.BytesToHex(event.SignedOrder.TakerFeeAssetData),
TakerAssetAmount: event.SignedOrder.TakerAssetAmount.String(),
TakerFee: event.SignedOrder.TakerFee.String(),
SenderAddress: strings.ToLower(event.SignedOrder.SenderAddress.Hex()),
FeeRecipientAddress: strings.ToLower(event.SignedOrder.FeeRecipientAddress.Hex()),
ExpirationTimeSeconds: event.SignedOrder.ExpirationTimeSeconds.String(),
Salt: event.SignedOrder.Salt.String(),
Signature: types.BytesToHex(event.SignedOrder.Signature),
FillableTakerAssetAmount: event.FillableTakerAssetAmount.String(),
},
EndState: OrderEndState(event.EndState),
Timestamp: event.Timestamp.Format(time.RFC3339),
ContractEvents: ContractEventsFromZeroExType(event.ContractEvents),
}
}
func OrderEventsFromZeroExType(orderEvents []*zeroex.OrderEvent) []*OrderEvent {
result := make([]*OrderEvent, len(orderEvents))
for i, event := range orderEvents {
result[i] = OrderEventFromZeroExType(event)
}
return result
}
func ContractEventFromZeroExType(event *zeroex.ContractEvent) *ContractEvent {
return &ContractEvent{
BlockHash: event.BlockHash.Hex(),
TxHash: event.TxHash.Hex(),
TxIndex: int(event.TxIndex),
LogIndex: int(event.LogIndex),
IsRemoved: event.IsRemoved,
Address: strings.ToLower(event.Address.Hex()),
Kind: event.Kind,
Parameters: event.Parameters,
}
}
func ContractEventsFromZeroExType(events []*zeroex.ContractEvent) []*ContractEvent {
result := make([]*ContractEvent, len(events))
for i, event := range events {
result[i] = ContractEventFromZeroExType(event)
}
return result
}
func RejectedCodeFromValidatorStatus(status ordervalidator.RejectedOrderStatus) (RejectedOrderCode, error) {
switch status.Code {
case ordervalidator.ROEthRPCRequestFailed.Code:
return RejectedOrderCodeEthRPCRequestFailed, nil
case ordervalidator.ROInvalidMakerAssetAmount.Code:
return RejectedOrderCodeOrderHasInvalidMakerAssetAmount, nil
case ordervalidator.ROInvalidTakerAssetAmount.Code:
return RejectedOrderCodeOrderHasInvalidTakerAssetAmount, nil
case ordervalidator.ROExpired.Code:
return RejectedOrderCodeOrderExpired, nil
case ordervalidator.ROFullyFilled.Code:
return RejectedOrderCodeOrderFullyFilled, nil
case ordervalidator.ROCancelled.Code:
return RejectedOrderCodeOrderCancelled, nil
case ordervalidator.ROUnfunded.Code:
return RejectedOrderCodeOrderUnfunded, nil
case ordervalidator.ROInvalidMakerAssetData.Code:
return RejectedOrderCodeOrderHasInvalidMakerAssetData, nil
case ordervalidator.ROInvalidMakerFeeAssetData.Code:
return RejectedOrderCodeOrderHasInvalidMakerFeeAssetData, nil
case ordervalidator.ROInvalidTakerAssetData.Code:
return RejectedOrderCodeOrderHasInvalidTakerAssetData, nil
case ordervalidator.ROInvalidTakerFeeAssetData.Code:
return RejectedOrderCodeOrderHasInvalidTakerFeeAssetData, nil
case ordervalidator.ROInvalidSignature.Code:
return RejectedOrderCodeOrderHasInvalidSignature, nil
case ordervalidator.ROMaxExpirationExceeded.Code:
return RejectedOrderCodeOrderMaxExpirationExceeded, nil
case ordervalidator.ROInternalError.Code:
return RejectedOrderCodeInternalError, nil
case ordervalidator.ROMaxOrderSizeExceeded.Code:
return RejectedOrderCodeMaxOrderSizeExceeded, nil
case ordervalidator.ROOrderAlreadyStoredAndUnfillable.Code:
return RejectedOrderCodeOrderAlreadyStoredAndUnfillable, nil
case ordervalidator.ROIncorrectChain.Code:
return RejectedOrderCodeOrderForIncorrectChain, nil
case ordervalidator.ROIncorrectExchangeAddress.Code:
return RejectedOrderCodeIncorrectExchangeAddress, nil
case ordervalidator.ROSenderAddressNotAllowed.Code:
return RejectedOrderCodeSenderAddressNotAllowed, nil
case ordervalidator.RODatabaseFullOfOrders.Code:
return RejectedOrderCodeDatabaseFullOfOrders, nil
default:
return "", fmt.Errorf("unexpected RejectedOrderStatus.Code: %q", status.Code)
}
}
func FilterKindToDBType(kind FilterKind) (db.FilterKind, error) {
switch kind {
case FilterKindEqual:
return db.Equal, nil
case FilterKindNotEqual:
return db.NotEqual, nil
case FilterKindGreater:
return db.Greater, nil
case FilterKindGreaterOrEqual:
return db.GreaterOrEqual, nil
case FilterKindLess:
return db.Less, nil
case FilterKindLessOrEqual:
return db.LessOrEqual, nil
default:
return "", fmt.Errorf("invalid filter kind: %q", kind)
}
}
// FilterValueFromJSON converts the filter value from the JSON type to the
// corresponding Go type. It returns an error if the JSON type does not match
// what was expected based on the filter field.
func FilterValueFromJSON(f OrderFilter) (interface{}, error) {
switch f.Field {
case OrderFieldChainID, OrderFieldMakerAssetAmount, OrderFieldMakerFee, OrderFieldTakerAssetAmount, OrderFieldTakerFee, OrderFieldExpirationTimeSeconds, OrderFieldSalt, OrderFieldFillableTakerAssetAmount:
return stringToBigInt(f.Value)
case OrderFieldHash:
return stringToHash(f.Value)
case OrderFieldExchangeAddress, OrderFieldMakerAddress, OrderFieldTakerAddress, OrderFieldSenderAddress, OrderFieldFeeRecipientAddress:
return stringToAddress(f.Value)
case OrderFieldMakerAssetData, OrderFieldMakerFeeAssetData, OrderFieldTakerAssetData, OrderFieldTakerFeeAssetData:
return stringToBytes(f.Value)
default:
return "", fmt.Errorf("invalid filter field: %q", f.Field)
}
}
// FilterValueToJSON converts the filter value from a native Go type to the
// corresponding JSON value. It returns an error if the Go type does not match
// what was expected based on the filter field.
func FilterValueToJSON(f OrderFilter) (string, error) {
switch f.Field {
case OrderFieldChainID, OrderFieldMakerAssetAmount, OrderFieldMakerFee, OrderFieldTakerAssetAmount, OrderFieldTakerFee, OrderFieldExpirationTimeSeconds, OrderFieldSalt, OrderFieldFillableTakerAssetAmount:
return bigIntToString(f.Value)
case OrderFieldHash:
return hashToString(f.Value)
case OrderFieldExchangeAddress, OrderFieldMakerAddress, OrderFieldTakerAddress, OrderFieldSenderAddress, OrderFieldFeeRecipientAddress:
return addressToString(f.Value)
case OrderFieldMakerAssetData, OrderFieldMakerFeeAssetData, OrderFieldTakerAssetData, OrderFieldTakerFeeAssetData:
return bytesToString(f.Value)
default:
return "", fmt.Errorf("invalid filter field: %q", f.Field)
}
}
func bigIntToString(value interface{}) (string, error) {
bigInt, ok := value.(*big.Int)
if !ok {
return "", fmt.Errorf("invalid type for filter value (expected *big.Int but got %T)", value)
}
return bigInt.String(), nil
}
func hashToString(value interface{}) (string, error) {
hash, ok := value.(common.Hash)
if !ok {
return "", fmt.Errorf("invalid type for filter value (expected common.Hash but got %T)", value)
}
return hash.Hex(), nil
}
func addressToString(value interface{}) (string, error) {
address, ok := value.(common.Address)
if !ok {
return "", fmt.Errorf("invalid type for filter value (expected common.Address but got %T)", value)
}
return strings.ToLower(address.Hex()), nil
}
func bytesToString(value interface{}) (string, error) {
bytes, ok := value.([]byte)
if !ok {
return "", fmt.Errorf("invalid type for filter value (expected []byte but got %T)", value)
}
return types.BytesToHex(bytes), nil
}
func filterValueAsString(value interface{}) (string, error) {
valueString, ok := value.(string)
if !ok {
return "", fmt.Errorf("invalid type for filter value (expected string but got %T)", value)
}
return valueString, nil
}
func stringToBigInt(value interface{}) (*big.Int, error) {
valueString, err := filterValueAsString(value)
if err != nil {
return nil, err
}
result, valid := math.ParseBig256(valueString)
if !valid {
return nil, fmt.Errorf("could not convert %q to *big.Int", value)
}
return result, nil
}
func stringToHash(value interface{}) (common.Hash, error) {
valueString, err := filterValueAsString(value)
if err != nil {
return common.Hash{}, err
}
return common.HexToHash(valueString), nil
}
func stringToAddress(value interface{}) (common.Address, error) {
valueString, err := filterValueAsString(value)
if err != nil {
return common.Address{}, err
}
return common.HexToAddress(valueString), nil
}
func stringToBytes(value interface{}) ([]byte, error) {
valueString, err := filterValueAsString(value)
if err != nil {
return nil, err
}
return types.HexToBytes(valueString), nil
}
func SortDirectionToDBType(direction SortDirection) (db.SortDirection, error) {
switch direction {
case SortDirectionAsc:
return db.Ascending, nil
case SortDirectionDesc:
return db.Descending, nil
default:
return "", fmt.Errorf("invalid sort direction: %q", direction)
}
}