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Enable execution only mode in nitro #4386

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Enable execution only mode in nitro #4386

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625d930
Enable execution only mode in nitro
bragaigor Feb 13, 2026
ba86494
identation and fix config check
bragaigor Feb 17, 2026
a283198
Fix consensus/execution split follower node genesis mismatch
bragaigor Feb 18, 2026
0fce0d2
wrap OpenInitializeExecutionDB with executionNodeEnabled
bragaigor Feb 19, 2026
18afb84
update TODO comment and add changelog file
bragaigor Feb 19, 2026
da045ab
update nitro-testnode submodule version
bragaigor Feb 19, 2026
3c4681f
Merge branch 'master' into braga/consensus-exec-diff-proc
bragaigor Mar 11, 2026
5959e1e
add GenesisBlockNum as new command line arg
bragaigor Mar 11, 2026
e3e0302
add proper guards
bragaigor Mar 11, 2026
7d60cef
properly init consensusDB
bragaigor Mar 11, 2026
41589d1
Update changelog and error msg
bragaigor Mar 12, 2026
7f26738
Merge branch 'master' into braga/consensus-exec-diff-proc
bragaigor Mar 23, 2026
c8f42ef
Merge branch 'master' into braga/consensus-exec-diff-proc
bragaigor Mar 25, 2026
e26368d
start execNode only if execNode != nil
bragaigor Mar 25, 2026
4cc214d
Merge branch 'master' into braga/consensus-exec-diff-proc
bragaigor Apr 6, 2026
a8b6a6b
get chainConfig from chainInfo directly
bragaigor Apr 6, 2026
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2 changes: 2 additions & 0 deletions changelog/bragaigor-nit-4241.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
### Changed
- enable execution only mode
10 changes: 8 additions & 2 deletions cmd/nitro/config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,10 @@ func (c *NodeConfig) Validate() error {
if err := c.ParentChain.Validate(); err != nil {
return err
}

if c.Execution.RPCServer.Enable && c.Node.RPCServer.Enable {
return errors.New("when on rpc mode a node can either be consensus or execution, not both")
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}
if err := c.Node.Validate(); err != nil {
return err
}
Expand All @@ -169,8 +173,10 @@ func (c *NodeConfig) Validate() error {
if c.Node.Sequencer || c.Node.BatchPoster.Enable {
return errors.New("sequencing and batch-posting are currently not supported when connecting to an execution client over RPC")
}
} else if c.Execution.ConsensusRPCClient.URL != "" {
return errors.New("consensus is connecting directly to execution but execution is connecting to consensus over an rpc- invalid case")
} else if c.Execution.RPCServer.Enable && c.Execution.ConsensusRPCClient.URL == "" {
return errors.New("communication over rpc is enabled on execution but consensus RPC client is not set")
} else if c.Node.RPCServer.Enable && c.Node.ExecutionRPCClient.URL == "" {
return errors.New("communication over rpc is enabled on consensus but execution RPC client is not set")
}
if err := c.BlocksReExecutor.Validate(); err != nil {
return err
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