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90 lines
2.2 KiB
90 lines
2.2 KiB
package utils
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// this module in utils handles the ini file read/write
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import (
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"fmt"
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"os"
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"strings"
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ini "gopkg.in/ini.v1"
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"github.com/harmony-one/harmony/internal/params"
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"github.com/harmony-one/harmony/p2p"
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)
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// WalletProfile contains a section and key value pair map
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type WalletProfile struct {
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Profile string
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ChainID string
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Bootnodes []string
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Shards int
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RPCServer [][]p2p.Peer
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}
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// ReadWalletProfile reads an ini file and return WalletProfile
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func ReadWalletProfile(iniBytes []byte, profile string) (*WalletProfile, error) {
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cfg, err := ini.ShadowLoad(iniBytes)
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if err != nil {
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return nil, err
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}
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config := new(WalletProfile)
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config.Profile = profile
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// get the profile section
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sec, err := cfg.GetSection(profile)
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if err != nil {
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return nil, err
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}
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profile = sec.Name() // sanitized name
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if sec.HasKey("bootnode") {
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config.Bootnodes = sec.Key("bootnode").ValueWithShadows()
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} else {
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return nil, fmt.Errorf("can't find bootnode key")
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}
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if sec.HasKey("chain_id") {
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config.ChainID = sec.Key("chain_id").String()
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} else {
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// backward compatibility; use profile name to determine
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// (deprecated; require chain_id after 2010-01).
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switch profile {
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case "main", "default":
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config.ChainID = params.MainnetChainID.String()
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case "pangaea":
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config.ChainID = params.PangaeaChainID.String()
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default:
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config.ChainID = params.TestnetChainID.String()
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}
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_, _ = fmt.Fprintf(os.Stderr,
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"NOTICE: Chain ID not found in config profile, assuming %s; "+
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"please add \"chain_id = %s\" to section [%s] of wallet.ini "+
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"before 2020-01\n",
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config.ChainID, config.ChainID, profile)
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}
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if sec.HasKey("shards") {
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config.Shards = sec.Key("shards").MustInt()
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config.RPCServer = make([][]p2p.Peer, config.Shards)
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} else {
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return nil, fmt.Errorf("can't find shards key")
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}
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for i := 0; i < config.Shards; i++ {
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rpcSec, err := cfg.GetSection(fmt.Sprintf("%s.shard%v.rpc", profile, i))
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if err != nil {
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return nil, err
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}
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rpcKey := rpcSec.Key("rpc").ValueWithShadows()
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for _, key := range rpcKey {
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v := strings.Split(key, ":")
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rpc := p2p.Peer{
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IP: v[0],
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Port: v[1],
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}
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config.RPCServer[i] = append(config.RPCServer[i], rpc)
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}
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}
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return config, nil
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}
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