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95 lines
2.7 KiB
95 lines
2.7 KiB
package services
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import (
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"context"
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"math/big"
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"github.com/coinbase/rosetta-sdk-go/server"
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"github.com/coinbase/rosetta-sdk-go/types"
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ethCommon "github.com/ethereum/go-ethereum/common"
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wikiTypes "github.com/woop-chain/woop/core/types"
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"github.com/woop-chain/woop/wiki"
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"github.com/woop-chain/woop/rosetta/common"
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"github.com/woop-chain/woop/staking"
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)
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// MempoolAPI implements the server.MempoolAPIServicer interface
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type MempoolAPI struct {
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wiki *wiki.Woop
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}
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// NewMempoolAPI creates a new instance of MempoolAPI
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func NewMempoolAPI(wiki *wiki.Woop) server.MempoolAPIServicer {
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return &MempoolAPI{
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wiki: wiki,
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}
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}
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// Mempool implements the /mempool endpoint.
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func (s *MempoolAPI) Mempool(
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ctx context.Context, req *types.NetworkRequest,
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) (*types.MempoolResponse, *types.Error) {
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if err := assertValidNetworkIdentifier(req.NetworkIdentifier, s.wiki.ShardID); err != nil {
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return nil, err
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}
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pool, err := s.wiki.GetPoolTransactions()
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if err != nil {
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return nil, common.NewError(common.CatchAllError, map[string]interface{}{
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"message": "unable to fetch pool transactions",
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})
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}
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txIDs := make([]*types.TransactionIdentifier, pool.Len())
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for i, tx := range pool {
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txIDs[i] = &types.TransactionIdentifier{
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Hash: tx.Hash().String(),
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}
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}
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return &types.MempoolResponse{
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TransactionIdentifiers: txIDs,
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}, nil
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}
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// MempoolTransaction implements the /mempool/transaction endpoint.
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func (s *MempoolAPI) MempoolTransaction(
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ctx context.Context, req *types.MempoolTransactionRequest,
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) (*types.MempoolTransactionResponse, *types.Error) {
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if err := assertValidNetworkIdentifier(req.NetworkIdentifier, s.wiki.ShardID); err != nil {
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return nil, err
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}
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hash := ethCommon.HexToHash(req.TransactionIdentifier.Hash)
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poolTx := s.wiki.GetPoolTransaction(hash)
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if poolTx == nil {
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return nil, &common.TransactionNotFoundError
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}
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senderAddr, _ := poolTx.SenderAddress()
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estLog := &wikiTypes.Log{
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Address: senderAddr,
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Topics: []ethCommon.Hash{staking.CollectRewardsTopic},
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Data: big.NewInt(0).Bytes(),
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BlockNumber: s.wiki.CurrentBlock().NumberU64(),
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}
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// Contract related information for pending transactions is not reported
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estReceipt := &wikiTypes.Receipt{
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PostState: []byte{},
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Status: wikiTypes.ReceiptStatusSuccessful, // Assume transaction will succeed
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CumulativeGasUsed: poolTx.GasLimit(),
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Bloom: [256]byte{},
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Logs: []*wikiTypes.Log{estLog},
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TxHash: poolTx.Hash(),
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ContractAddress: ethCommon.Address{},
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GasUsed: poolTx.GasLimit(),
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}
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respTx, err := FormatTransaction(poolTx, estReceipt, &ContractInfo{}, true)
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if err != nil {
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return nil, err
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}
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return &types.MempoolTransactionResponse{
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Transaction: respTx,
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}, nil
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}
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