feat(all): moonchain protocol

Author: luanxu-mxc

.github/workflows/docker.yml

@@ -2,7 +2,7 @@ name: "Push docker image to GAR"
 
 on:
   push:
-    branches: [ taiko ]
+    branches: [ moonchain-geneva ]
     tags:
       - "v*"
 

beacon/engine/types.go

@@ -105,6 +105,7 @@ type ExecutableData struct {
 	TxHash          common.Hash `json:"txHash"`          // CHANGE(taiko): allow passing txHash directly instead of transactions list
 	WithdrawalsHash common.Hash `json:"withdrawalsHash"` // CHANGE(taiko): allow passing WithdrawalsHash directly instead of withdrawals
 	TaikoBlock      bool        // CHANGE(taiko): whether this is a Taiko L2 block, only used by ExecutableDataToBlock
+	MoonchainBlock  bool        // CHANGE(moonchain): whether this is a Mxc L2 block, only used by ExecutableDataToBlock
 }
 
 // JSON type overrides for executableData.

cmd/geth/config.go

@@ -181,6 +181,8 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 
 	// CHANGE(TAIKO): register Taiko RPC APIs.
 	utils.RegisterTaikoAPIs(stack, &cfg.Eth, eth)
+	// CHANGE(MOONCHAIN): register Mxc RPC APIs.
+	utils.RegisterMoonchainAPIs(stack, &cfg.Eth, eth)
 
 	// Create gauge with geth system and build information
 	if eth != nil { // The 'eth' backend may be nil in light mode

cmd/geth/main.go

@@ -252,6 +252,8 @@ func init() {
 	)
 	// CHANGE(taiko): append Taiko flags into the original GETH flags
 	app.Flags = append(app.Flags, &utils.TaikoFlag)
+	// CHANGE(moonchain): append Mxc flags into the original GETH falgs
+	app.Flags = append(app.Flags, &utils.MoonchainFlag)
 
 	flags.AutoEnvVars(app.Flags, "GETH")
 

cmd/utils/flags.go

@@ -1740,6 +1740,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	}
 	// Override any default configs for hard coded networks.
 	switch {
+	// CHANGE(moonchain): when --moonchain flag is set, use the Taiko genesis.
+	case ctx.IsSet(MoonchainFlag.Name):
+		cfg.Genesis = core.MoonchainGenesisBlock(cfg.NetworkId)
 	// CHANGE(taiko): when --taiko flag is set, use the Taiko genesis.
 	case ctx.IsSet(TaikoFlag.Name):
 		cfg.Genesis = core.TaikoGenesisBlock(cfg.NetworkId)

cmd/utils/moonchain_flags.go

@@ -0,0 +1,41 @@
+package utils
+
+import (
+	"os"
+
+	"github.com/ethereum/go-ethereum/eth"
+	"github.com/ethereum/go-ethereum/eth/ethconfig"
+	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	MoonchainFlag = cli.BoolFlag{
+		Name:  "mxc",
+		Usage: "Moonchain zkEVM network",
+	}
+)
+
+// RegisterMoonchainAPIs initializes and registers the Taiko RPC APIs.
+func RegisterMoonchainAPIs(stack *node.Node, cfg *ethconfig.Config, backend *eth.Ethereum) {
+	if os.Getenv("MOONCHAIN_TEST") != "" {
+		return
+	}
+	// Add methods under "taiko_" RPC namespace to the available APIs list
+	stack.RegisterAPIs([]rpc.API{
+		{
+			Namespace: "moonchain",
+			Version:   params.VersionWithMeta,
+			Service:   eth.NewMoonchainAPIBackend(backend),
+			Public:    true,
+		},
+		{
+			Namespace:     "moonchainAuth",
+			Version:       params.VersionWithMeta,
+			Service:       eth.NewMoonchainAuthAPIBackend(backend),
+			Authenticated: true,
+		},
+	})
+}