You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.7 KiB
95 lines
2.7 KiB
package services
|
|
|
|
import (
|
|
"context"
|
|
"math/big"
|
|
|
|
"github.com/coinbase/rosetta-sdk-go/server"
|
|
"github.com/coinbase/rosetta-sdk-go/types"
|
|
ethCommon "github.com/ethereum/go-ethereum/common"
|
|
hmyTypes "github.com/harmony-one/harmony/core/types"
|
|
"github.com/harmony-one/harmony/hmy"
|
|
"github.com/harmony-one/harmony/rosetta/common"
|
|
"github.com/harmony-one/harmony/staking"
|
|
)
|
|
|
|
// MempoolAPI implements the server.MempoolAPIServicer interface
|
|
type MempoolAPI struct {
|
|
hmy *hmy.Harmony
|
|
}
|
|
|
|
// NewMempoolAPI creates a new instance of MempoolAPI
|
|
func NewMempoolAPI(hmy *hmy.Harmony) server.MempoolAPIServicer {
|
|
return &MempoolAPI{
|
|
hmy: hmy,
|
|
}
|
|
}
|
|
|
|
// Mempool ...
|
|
func (s *MempoolAPI) Mempool(
|
|
ctx context.Context, req *types.NetworkRequest,
|
|
) (*types.MempoolResponse, *types.Error) {
|
|
if err := assertValidNetworkIdentifier(req.NetworkIdentifier, s.hmy.ShardID); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
pool, err := s.hmy.GetPoolTransactions()
|
|
if err != nil {
|
|
return nil, common.NewError(common.CatchAllError, map[string]interface{}{
|
|
"message": "unable to fetch pool transactions",
|
|
})
|
|
}
|
|
txIDs := make([]*types.TransactionIdentifier, pool.Len())
|
|
for i, tx := range pool {
|
|
txIDs[i] = &types.TransactionIdentifier{
|
|
Hash: tx.Hash().String(),
|
|
}
|
|
}
|
|
return &types.MempoolResponse{
|
|
TransactionIdentifiers: txIDs,
|
|
}, nil
|
|
}
|
|
|
|
// MempoolTransaction ...
|
|
func (s *MempoolAPI) MempoolTransaction(
|
|
ctx context.Context, req *types.MempoolTransactionRequest,
|
|
) (*types.MempoolTransactionResponse, *types.Error) {
|
|
if err := assertValidNetworkIdentifier(req.NetworkIdentifier, s.hmy.ShardID); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
hash := ethCommon.HexToHash(req.TransactionIdentifier.Hash)
|
|
poolTx := s.hmy.GetPoolTransaction(hash)
|
|
if poolTx == nil {
|
|
return nil, &common.TransactionNotFoundError
|
|
}
|
|
|
|
var nilAddress ethCommon.Address
|
|
senderAddr, _ := poolTx.SenderAddress()
|
|
estLog := &hmyTypes.Log{
|
|
Address: senderAddr,
|
|
Topics: []ethCommon.Hash{staking.CollectRewardsTopic},
|
|
Data: big.NewInt(0).Bytes(),
|
|
BlockNumber: s.hmy.CurrentBlock().NumberU64(),
|
|
}
|
|
|
|
estReceipt := &hmyTypes.Receipt{
|
|
PostState: []byte{},
|
|
Status: hmyTypes.ReceiptStatusSuccessful, // Assume transaction will succeed
|
|
CumulativeGasUsed: poolTx.Gas(),
|
|
Bloom: [256]byte{},
|
|
Logs: []*hmyTypes.Log{estLog},
|
|
TxHash: poolTx.Hash(),
|
|
ContractAddress: nilAddress, // ContractAddress is only for smart contract creation & can not be determined until transaction is finalized
|
|
GasUsed: poolTx.Gas(),
|
|
}
|
|
|
|
respTx, err := formatTransaction(poolTx, estReceipt)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &types.MempoolTransactionResponse{
|
|
Transaction: respTx,
|
|
}, nil
|
|
}
|
|
|