From 2818ad97f5b302f76e3296195bf8daae1868c435 Mon Sep 17 00:00:00 2001
From: Wei-Ning Huang <w@dexon.org>
Date: Sun, 17 Mar 2019 09:12:50 +0800
Subject: dex: implement recovery mechanism (#258)

* dex: implement recovery mechanism

The DEXON recovery protocol allows us to use the Ethereum blockchain as a
fallback consensus chain to coordinate recovery.

* fix
---
 cmd/gdex/main.go   |  1 +
 cmd/utils/flags.go | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

(limited to 'cmd')

diff --git a/cmd/gdex/main.go b/cmd/gdex/main.go
index dcd46e796..29b61a4ec 100644
--- a/cmd/gdex/main.go
+++ b/cmd/gdex/main.go
@@ -140,6 +140,7 @@ var (
 		utils.IndexerEnableFlag,
 		utils.IndexerPluginFlag,
 		utils.IndexerPluginFlagsFlag,
+		utils.RecoveryNetworkRPCFlag,
 		configFileFlag,
 	}
 
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index c6d60d0bb..6b0c682a7 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -664,6 +664,13 @@ var (
 		Usage: "External indexer plugin's flags if needed",
 		Value: "",
 	}
+
+	// Dexcon settings.
+	RecoveryNetworkRPCFlag = cli.StringFlag{
+		Name:  "recovery.network-rpc",
+		Usage: "RPC URL of the recovery network",
+		Value: "https://mainnet.infura.io",
+	}
 )
 
 // MakeDataDir retrieves the currently requested data directory, terminating
@@ -1257,27 +1264,41 @@ func SetDexConfig(ctx *cli.Context, stack *node.Node, cfg *dex.Config) {
 		cfg.RPCGasCap = new(big.Int).SetUint64(ctx.GlobalUint64(RPCGlobalGasCap.Name))
 	}
 
+	cfg.RecoveryNetworkRPC = ctx.GlobalString(RecoveryNetworkRPCFlag.Name)
+
 	// Override any default configs for hard coded networks.
 	switch {
 	case ctx.GlobalBool(TestnetFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 238
 		}
+		if !ctx.GlobalIsSet(RecoveryNetworkRPCFlag.Name) {
+			cfg.RecoveryNetworkRPC = "http://rinkeby.infura.io"
+		}
 		cfg.Genesis = core.DefaultTestnetGenesisBlock()
 	case ctx.GlobalBool(TaipeiFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 239
 		}
+		if !ctx.GlobalIsSet(RecoveryNetworkRPCFlag.Name) {
+			cfg.RecoveryNetworkRPC = "http://rinkeby.infura.io"
+		}
 		cfg.Genesis = core.DefaultTaipeiGenesisBlock()
 	case ctx.GlobalBool(YilanFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 240
 		}
+		if !ctx.GlobalIsSet(RecoveryNetworkRPCFlag.Name) {
+			cfg.RecoveryNetworkRPC = "http://rinkeby.infura.io"
+		}
 		cfg.Genesis = core.DefaultYilanGenesisBlock()
 	case ctx.GlobalBool(DeveloperFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 1337
 		}
+		if !ctx.GlobalIsSet(RecoveryNetworkRPCFlag.Name) {
+			cfg.RecoveryNetworkRPC = "http://rinkeby.infura.io"
+		}
 		// Create new developer account or reuse existing one
 		var (
 			developer accounts.Account
-- 
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