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65 lines
2.3 KiB
65 lines
2.3 KiB
package hmyapi
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import (
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"context"
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"math/big"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/harmony-one/harmony/api/proto"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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)
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// PublicHarmonyAPI provides an API to access Harmony related information.
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// It offers only methods that operate on public data that is freely available to anyone.
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type PublicHarmonyAPI struct {
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b Backend
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}
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// NewPublicHarmonyAPI ...
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func NewPublicHarmonyAPI(b Backend) *PublicHarmonyAPI {
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return &PublicHarmonyAPI{b}
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}
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// ProtocolVersion returns the current Harmony protocol version this node supports
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func (s *PublicHarmonyAPI) ProtocolVersion() hexutil.Uint {
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return hexutil.Uint(proto.ProtocolVersion)
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}
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// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
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// yet received the latest block headers from its pears. In case it is synchronizing:
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// - startingBlock: block number this node started to synchronise from
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// - currentBlock: block number this node is currently importing
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// - highestBlock: block number of the highest block header this node has received from peers
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// - pulledStates: number of state entries processed until now
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// - knownStates: number of known state entries that still need to be pulled
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func (s *PublicHarmonyAPI) Syncing() (interface{}, error) {
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// TODO(ricl): find our Downloader module for syncing blocks
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return false, nil
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}
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// GasPrice returns a suggestion for a gas price.
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func (s *PublicHarmonyAPI) GasPrice(ctx context.Context) (*hexutil.Big, error) {
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// TODO(ricl): add SuggestPrice API
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return (*hexutil.Big)(big.NewInt(1)), nil
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}
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// NodeMetadata captures select metadata of the RPC answering node
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type NodeMetadata struct {
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BLSPublicKey string `json:"blskey"`
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Version string `json:"version"`
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NetworkType string `json:"network"`
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ChainID string `json:"chainid"`
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IsLeader bool `json:"is-leader"`
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}
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// GetNodeMetadata produces a NodeMetadata record. Note the data is from the answering RPC
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func (s *PublicHarmonyAPI) GetNodeMetadata() NodeMetadata {
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cfg := nodeconfig.GetDefaultConfig()
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return NodeMetadata{
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cfg.ConsensusPubKey.SerializeToHexStr(),
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nodeconfig.GetVersion(),
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string(cfg.GetNetworkType()),
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s.b.ChainConfig().ChainID.String(),
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s.b.IsLeader(),
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}
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}
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