50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package node
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import (
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"context"
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"strconv"
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"github.com/8thlight/vulcanizedb/pkg/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/rpc"
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)
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func Info(client *rpc.Client) core.Node {
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node := core.Node{}
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node.NetworkId = NetworkId(client)
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node.GenesisBlock = GenesisBlock(client)
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node.Id, node.ClientName = IdClientName(client)
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return node
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}
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func IdClientName(client *rpc.Client) (string, string) {
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var info p2p.NodeInfo
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modules, _ := client.SupportedModules()
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if _, ok := modules["admin"]; ok {
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client.CallContext(context.Background(), &info, "admin_nodeInfo")
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return info.ID, info.Name
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}
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return "", ""
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}
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func NetworkId(client *rpc.Client) float64 {
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var version string
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client.CallContext(context.Background(), &version, "net_version")
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networkId, _ := strconv.ParseFloat(version, 64)
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return networkId
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}
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func ProtocolVersion(client *rpc.Client) string {
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var protocolVersion string
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client.CallContext(context.Background(), &protocolVersion, "eth_protocolVersion")
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return protocolVersion
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}
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func GenesisBlock(client *rpc.Client) string {
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var header *types.Header
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client.CallContext(context.Background(), &header, "eth_getBlockByNumber", "0x0", false)
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return header.Hash().Hex()
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}
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