/
api.go
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/
api.go
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// Copyright 2018 The sphinx Authors
// Modified based on go-ethereum, which Copyright (C) 2014 The go-ethereum Authors.
//
// The sphinx is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The sphinx is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the sphinx. If not, see <http://www.gnu.org/licenses/>.
package prometheus
import (
//"fmt"
"github.com/shx-project/sphinx/blockchain/types"
"github.com/shx-project/sphinx/consensus"
"github.com/shx-project/sphinx/network/rpc"
)
type API struct {
chain consensus.ChainReader
prometheus *Prometheus
}
func (api *API) GetLatestBlockHeader(number *rpc.BlockNumber) (header *types.Header) {
if number == nil || *number == rpc.LatestBlockNumber {
header = api.chain.CurrentHeader()
} else {
header = api.chain.GetHeaderByNumber(uint64(number.Int64()))
}
return header
}