mirror of https://github.com/poanetwork/gecko.git
95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package main
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import (
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"fmt"
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"path"
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"github.com/ava-labs/gecko/nat"
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"github.com/ava-labs/gecko/node"
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"github.com/ava-labs/gecko/utils/crypto"
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"github.com/ava-labs/gecko/utils/logging"
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)
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// main is the primary entry point to Ava. This can either create a CLI to an
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// existing node or create a new node.
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func main() {
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// Err is set based on the CLI arguments
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if Err != nil {
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fmt.Printf("parsing parameters returned with error %s\n", Err)
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return
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}
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config := Config.LoggingConfig
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config.Directory = path.Join(config.Directory, "node")
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factory := logging.NewFactory(config)
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defer factory.Close()
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log, err := factory.Make()
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if err != nil {
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fmt.Printf("starting logger failed with: %s\n", err)
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return
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}
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fmt.Println(gecko)
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defer func() { recover() }()
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defer log.Stop()
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defer log.StopOnPanic()
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defer Config.DB.Close()
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// Track if sybil control is enforced
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if !Config.EnableStaking && Config.EnableP2PTLS {
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log.Warn("Staking is disabled. Sybil control is not enforced.")
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}
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if !Config.EnableStaking && !Config.EnableP2PTLS {
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log.Warn("Staking and p2p encryption are disabled. Packet spoofing is possible.")
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}
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// Check if transaction signatures should be checked
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if !Config.EnableCrypto {
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log.Warn("transaction signatures are not being checked")
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}
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crypto.EnableCrypto = Config.EnableCrypto
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if err := Config.ConsensusParams.Valid(); err != nil {
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log.Fatal("consensus parameters are invalid: %s", err)
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return
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}
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// Track if assertions should be executed
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if Config.LoggingConfig.Assertions {
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log.Debug("assertions are enabled. This may slow down execution")
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}
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mapper := nat.NewPortMapper(log, Config.Nat)
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defer mapper.UnmapAllPorts()
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port, err := mapper.Map("TCP", Config.StakingLocalPort, "gecko-staking") // Open staking port
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if err == nil {
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Config.StakingIP.Port = port
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} else {
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log.Warn("NAT traversal has failed. The node will be able to connect to less nodes.")
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}
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if Config.HTTPHost != "127.0.0.1" && Config.HTTPHost != "localhost" { // Open HTTP port iff HTTP server not listening on localhost
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_, _ = mapper.Map("TCP", Config.HTTPPort, "gecko-http")
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}
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node := node.Node{}
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log.Debug("initializing node state")
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if err := node.Initialize(&Config, log, factory); err != nil {
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log.Fatal("error initializing node state: %s", err)
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return
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}
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defer node.Shutdown()
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log.Debug("dispatching node handlers")
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err = node.Dispatch()
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log.Debug("node dispatching returned with %s", err)
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}
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