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69 lines
1.9 KiB
69 lines
1.9 KiB
package rpc
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import (
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"context"
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"fmt"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/harmony-one/harmony/eth/rpc"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/p2p"
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)
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// PublicNetService offers network related RPC methods
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type PublicNetService struct {
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net p2p.Host
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chainID uint64
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version Version
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}
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// NewPublicNetAPI creates a new net API instance.
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func NewPublicNetAPI(net p2p.Host, chainID uint64, version Version) rpc.API {
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// manually set different namespace to preserve legacy behavior
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var namespace string
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switch version {
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case V1:
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namespace = netV1Namespace
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case V2:
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namespace = netV2Namespace
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case Eth:
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namespace = netNamespace
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default:
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utils.Logger().Error().Msgf("Unknown version %v, ignoring API.", version)
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return rpc.API{}
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}
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return rpc.API{
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Namespace: namespace,
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Version: APIVersion,
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Service: &PublicNetService{net, chainID, version},
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Public: true,
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}
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}
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// PeerCount returns the number of connected peers
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// Note that the return type is an interface to account for the different versions
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func (s *PublicNetService) PeerCount(ctx context.Context) (interface{}, error) {
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timer := DoMetricRPCRequest(PeerCount)
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defer DoRPCRequestDuration(PeerCount, timer)
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// Format response according to version
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switch s.version {
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case V1, Eth:
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return hexutil.Uint(s.net.GetPeerCount()), nil
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case V2:
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return s.net.GetPeerCount(), nil
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default:
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return nil, ErrUnknownRPCVersion
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}
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}
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// Version returns the network version, i.e. ChainID identifying which network we are using
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func (s *PublicNetService) Version(ctx context.Context) interface{} {
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switch s.version {
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case Eth:
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return nodeconfig.GetDefaultConfig().GetNetworkType().ChainConfig().EthCompatibleChainID.String()
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default:
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return fmt.Sprintf("%d", s.chainID)
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}
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}
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