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package api
import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
TxPoolApiVersion = "1.0"
)
var (
// mapping between methods and handlers
txpoolMapping = map[string]txpoolhandler{
"txpool_status": (*txPoolApi).Status,
}
)
// net callback handler
type txpoolhandler func(*txPoolApi, *shared.Request) (interface{}, error)
// txpool api provider
type txPoolApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]txpoolhandler
codec codec.ApiCoder
}
// create a new txpool api instance
func NewTxPoolApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *txPoolApi {
return &txPoolApi{
xeth: xeth,
ethereum: eth,
methods: txpoolMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *txPoolApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *txPoolApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *txPoolApi) Name() string {
return TxPoolApiName
}
func (self *txPoolApi) ApiVersion() string {
return TxPoolApiVersion
}
func (self *txPoolApi) Status(req *shared.Request) (interface{}, error) {
return map[string]int{
"pending": self.ethereum.TxPool().GetTransactions().Len(),
"queued": self.ethereum.TxPool().GetQueuedTransactions().Len(),
}, nil
}
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