/
main.go
executable file
·90 lines (72 loc) · 2.65 KB
/
main.go
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package main
import (
"fmt"
"time"
"github.com/nakji-network/connector"
"github.com/nakji-network/connector/config"
"github.com/nakji-network/connectors/makerdao"
"github.com/rs/zerolog/log"
"github.com/spf13/pflag"
_ "go.uber.org/automaxprocs"
"google.golang.org/protobuf/reflect/protoreflect"
)
func main() {
c, err := connector.NewConnector()
if err != nil {
log.Fatal().Err(err).Msg("failed to instantiate connector")
}
c.Config.SetDefault("contracts.url", "https://changelog.makerdao.com/releases/mainnet/active/contracts.json")
c.Config.SetDefault("makerdao.author", "nakji")
c.Config.SetDefault("makerdao.factoryAddress", "0x5a464C28D19848f44199D003BeF5ecc87d090F87")
c.Config.SetDefault("makerdao.version", "0_0_0")
c.Config.SetDefault("blockTime", 15*time.Second)
c.Config.SetDefault("waitBlocks", 4)
// MakerDAO initial block is #8928141
pflag.StringP("network", "n", "ethereum", "network to connect to e.g. ethereum")
pflag.Int64P("from-block", "f", 0, "block number to start backfill from (optional")
pflag.Int64P("num-blocks", "b", 0, "number of blocks to backfill (optional)")
pflag.Parse()
c.Config.BindPFlags(pflag.CommandLine)
if err := validateFlags(c.Config); err != nil {
log.Fatal().Err(err).Msg("input is not correct")
}
networkName := c.Config.GetString("network")
// Register topic and protobuf type mappings
protos := make([]protoreflect.ProtoMessage, len(makerdao.TopicTypes[networkName]))
i := 0
for _, topicProto := range makerdao.TopicTypes[networkName] {
protos[i] = topicProto
i++
}
c.RegisterProtos(protos...)
conf := &makerdao.Config{
ContractsUrl: c.Config.GetString("contracts.url"),
FactoryAddress: c.Config.GetString("makerdao.factoryAddress"),
ConnectorName: "makerdao-" + networkName,
NetworkName: networkName,
FromBlock: c.Config.GetUint64("from-block"),
NumBlocks: c.Config.GetUint64("num-blocks"),
}
m := makerdao.New(c, conf)
m.Start()
}
func validateFlags(conf config.IConfig) error {
networkName := conf.GetString("network")
fromBlock := conf.GetInt64("from-block")
numBlocks := conf.GetInt64("num-blocks")
availableNetworks := map[string]bool{"ethereum": true, "arbitrum": true, "optimism": true}
if _, isExists := availableNetworks[networkName]; !isExists {
errorMsg := "network is not supported, please try again with one of these: "
for k := range availableNetworks {
errorMsg += k + " "
}
return fmt.Errorf(errorMsg)
}
if fromBlock < 0 {
return fmt.Errorf("backfill input value cannot be negative. from-block: %d", fromBlock)
}
if numBlocks < 0 {
return fmt.Errorf("backfill input value cannot be negative. num-blocks: %d", numBlocks)
}
return nil
}