cmd, eth, les: replace Shanghai override flag with Cancun

cmd/geth/config.go

@@ -158,9 +158,9 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 // makeFullNode loads geth configuration and creates the Ethereum backend.
 func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 	stack, cfg := makeConfigNode(ctx)
-	if ctx.IsSet(utils.OverrideShanghai.Name) {
-		v := ctx.Uint64(utils.OverrideShanghai.Name)
-		cfg.Eth.OverrideShanghai = &v
+	if ctx.IsSet(utils.OverrideCancun.Name) {
+		v := ctx.Uint64(utils.OverrideCancun.Name)
+		cfg.Eth.OverrideCancun = &v
 	}
 	backend, eth := utils.RegisterEthService(stack, &cfg.Eth)
 

cmd/geth/main.go

@@ -64,7 +64,7 @@ var (
 		utils.NoUSBFlag,
 		utils.USBFlag,
 		utils.SmartCardDaemonPathFlag,
-		utils.OverrideShanghai,
+		utils.OverrideCancun,
 		utils.EnablePersonal,
 		utils.EthashCacheDirFlag,
 		utils.EthashCachesInMemoryFlag,

cmd/utils/flags.go

@@ -268,9 +268,9 @@ var (
 		Value:    2048,
 		Category: flags.EthCategory,
 	}
-	OverrideShanghai = &cli.Uint64Flag{
-		Name:     "override.shanghai",
-		Usage:    "Manually specify the Shanghai fork timestamp, overriding the bundled setting",
+	OverrideCancun = &cli.Uint64Flag{
+		Name:     "override.cancun",
+		Usage:    "Manually specify the Cancun fork timestamp, overriding the bundled setting",
 		Category: flags.EthCategory,
 	}
 	// Light server and client settings

core/genesis.go

@@ -267,7 +267,7 @@ func (e *GenesisMismatchError) Error() string {
 
 // ChainOverrides contains the changes to chain config.
 type ChainOverrides struct {
-	OverrideShanghai *uint64
+	OverrideCancun *uint64
 }
 
 // SetupGenesisBlock writes or updates the genesis block in db.
@@ -293,8 +293,8 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 	}
 	applyOverrides := func(config *params.ChainConfig) {
 		if config != nil {
-			if overrides != nil && overrides.OverrideShanghai != nil {
-				config.ShanghaiTime = overrides.OverrideShanghai
+			if overrides != nil && overrides.OverrideCancun != nil {
+				config.CancunTime = overrides.OverrideCancun
 			}
 		}
 	}

eth/backend.go

@@ -194,8 +194,8 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	)
 	// Override the chain config with provided settings.
 	var overrides core.ChainOverrides
-	if config.OverrideShanghai != nil {
-		overrides.OverrideShanghai = config.OverrideShanghai
+	if config.OverrideCancun != nil {
+		overrides.OverrideCancun = config.OverrideCancun
 	}
 	eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, config.Genesis, &overrides, eth.engine, vmConfig, eth.shouldPreserve, &config.TxLookupLimit)
 	if err != nil {

eth/ethconfig/config.go

@@ -198,8 +198,8 @@ type Config struct {
 	// send-transaction variants. The unit is ether.
 	RPCTxFeeCap float64
 
-	// OverrideShanghai (TODO: remove after the fork)
-	OverrideShanghai *uint64 `toml:",omitempty"`
+	// OverrideCancun (TODO: remove after the fork)
+	OverrideCancun *uint64 `toml:",omitempty"`
 }
 
 // CreateConsensusEngine creates a consensus engine for the given chain configuration.

les/client.go

@@ -94,8 +94,8 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
 		return nil, err
 	}
 	var overrides core.ChainOverrides
-	if config.OverrideShanghai != nil {
-		overrides.OverrideShanghai = config.OverrideShanghai
+	if config.OverrideCancun != nil {
+		overrides.OverrideCancun = config.OverrideCancun
 	}
 	chainConfig, genesisHash, genesisErr := core.SetupGenesisBlockWithOverride(chainDb, trie.NewDatabase(chainDb), config.Genesis, &overrides)
 	if _, isCompat := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !isCompat {