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fix: Add async state root calculation on payload resolve #334

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fix: Add async state root calculation on payload resolve #334

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b735266
Fix payload handler for p2p flashblocks and full built payloads
sieniven Jan 15, 2026
38204c5
Update
sieniven Jan 15, 2026
4b58264
Fix
sieniven Jan 16, 2026
b90b71c
Add state root calculation on payload resolution
sieniven Jan 16, 2026
cb6408c
Add async state root calculation
sieniven Jan 16, 2026
d345bca
Better refactor
sieniven Jan 16, 2026
97cffda
Merge branch 'main' of github.com:flashbots/op-rbuilder into niven/fi…
sieniven Jan 19, 2026
4a25211
Fixes
sieniven Jan 19, 2026
a7e54af
Remove async oneshot channel, better refactor (#60)
sieniven Jan 19, 2026
010c473
Merge branch 'main' of github.com:flashbots/op-rbuilder into niven/fi…
sieniven Jan 26, 2026
5d28423
Merge branch 'main' of github.com:flashbots/op-rbuilder into niven/fi…
sieniven Feb 10, 2026
3c87e10
Switch to blocking
sieniven Feb 10, 2026
9331bc3
Merge branch 'main' of github.com:flashbots/op-rbuilder into niven/fi…
sieniven Feb 12, 2026
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8 changes: 8 additions & 0 deletions crates/op-rbuilder/src/args/op.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,14 @@ pub struct FlashblocksArgs {
)]
pub flashblocks_disable_state_root: bool,

/// Whether to disable async state root calculation on full payload resolution
#[arg(
long = "flashblocks.disable-async-calculate-state-root",
default_value = "false",
env = "FLASHBLOCKS_DISABLE_ASYNC_CALCULATE_STATE_ROOT"
)]
pub flashblocks_disable_async_calculate_state_root: bool,

/// Flashblocks number contract address
///
/// This is the address of the contract that will be used to increment the flashblock number.
Expand Down
2 changes: 1 addition & 1 deletion crates/op-rbuilder/src/builders/context.rs
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Expand Up @@ -49,7 +49,7 @@ use crate::{
};

/// Container type that holds all necessities to build a new payload.
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct OpPayloadBuilderCtx<ExtraCtx: Debug + Default = ()> {
/// The type that knows how to perform system calls and configure the evm.
pub evm_config: OpEvmConfig,
Expand Down
9 changes: 9 additions & 0 deletions crates/op-rbuilder/src/builders/flashblocks/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,9 @@ pub struct FlashblocksConfig {
/// Should we disable state root calculation for each flashblock
pub disable_state_root: bool,

/// Should we disable async state root calculation on full payload resolution
pub disable_async_calculate_state_root: bool,

/// The address of the flashblocks number contract.
///
/// If set a builder tx will be added to the start of every flashblock instead of the regular builder tx.
Expand Down Expand Up @@ -62,6 +65,7 @@ impl Default for FlashblocksConfig {
ws_addr: SocketAddr::new(Ipv4Addr::UNSPECIFIED.into(), 1111),
interval: Duration::from_millis(250),
disable_state_root: false,
disable_async_calculate_state_root: false,
number_contract_address: None,
number_contract_use_permit: false,
send_offset_ms: 0,
Expand Down Expand Up @@ -89,6 +93,10 @@ impl TryFrom<OpRbuilderArgs> for FlashblocksConfig {

let disable_state_root = args.flashblocks.flashblocks_disable_state_root;

let disable_async_calculate_state_root = args
.flashblocks
.flashblocks_disable_async_calculate_state_root;

let number_contract_address = args.flashblocks.flashblocks_number_contract_address;

let number_contract_use_permit = args.flashblocks.flashblocks_number_contract_use_permit;
Expand All @@ -97,6 +105,7 @@ impl TryFrom<OpRbuilderArgs> for FlashblocksConfig {
ws_addr,
interval,
disable_state_root,
disable_async_calculate_state_root,
number_contract_address,
number_contract_use_permit,
send_offset_ms: args.flashblocks.flashblocks_send_offset_ms,
Expand Down
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