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Merged
merged 1 commit into from
Jun 12, 2025
Merged

feat: add endpoint to retrieve proposer lookahead from state #7949

merged 1 commit into from
Jun 12, 2025

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@nflaig
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@nflaig nflaig commented Jun 11, 2025 •
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Motivation

Description

Add GET /eth/v1/beacon/states/{state_id}/proposer_lookahead endpoint to retrieve proposer lookahead from state

@nflaig nflaig requested a review from a team as a code owner June 11, 2025 08:13
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codecov bot commented Jun 11, 2025 •
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Codecov Report

Attention: Patch coverage is 52.17391% with 11 lines in your changes missing coverage. Please review.

Project coverage is 55.74%. Comparing base (6fa9960) to head (76b1bc8).
Report is 3 commits behind head on unstable.

Additional details and impacted files 
@@             Coverage Diff              @@
##           unstable    #7949      +/-   ##
============================================
- Coverage     55.75%   55.74%   -0.01%     
============================================
  Files           833      833              
  Lines         59356    59377      +21     
  Branches       4581     4580       -1     
============================================
+ Hits          33095    33102       +7     
- Misses        26194    26208      +14     
  Partials         67       67
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github-actions bot commented Jun 11, 2025

Performance Report

✔️ no performance regression detected

Full benchmark results
Benchmark suite Current: ab17787 Previous: b2b1a6d Ratio
getPubkeys - index2pubkey - req 1000 vs - 250000 vc 1.0918 ms/op 1.1413 ms/op 0.96
getPubkeys - validatorsArr - req 1000 vs - 250000 vc 41.767 us/op 41.109 us/op 1.02
BLS verify - blst 943.72 us/op 887.48 us/op 1.06
BLS verifyMultipleSignatures 3 - blst 1.5157 ms/op 1.3319 ms/op 1.14
BLS verifyMultipleSignatures 8 - blst 1.7583 ms/op 1.7830 ms/op 0.99
BLS verifyMultipleSignatures 32 - blst 5.4927 ms/op 5.2600 ms/op 1.04
BLS verifyMultipleSignatures 64 - blst 10.404 ms/op 9.6292 ms/op 1.08
BLS verifyMultipleSignatures 128 - blst 19.617 ms/op 17.987 ms/op 1.09
BLS deserializing 10000 signatures 748.95 ms/op 715.97 ms/op 1.05
BLS deserializing 100000 signatures 7.3155 s/op 7.0539 s/op 1.04
BLS verifyMultipleSignatures - same message - 3 - blst 925.04 us/op 887.80 us/op 1.04
BLS verifyMultipleSignatures - same message - 8 - blst 1.1470 ms/op 1.0486 ms/op 1.09
BLS verifyMultipleSignatures - same message - 32 - blst 1.8228 ms/op 1.7307 ms/op 1.05
BLS verifyMultipleSignatures - same message - 64 - blst 2.6752 ms/op 2.6600 ms/op 1.01
BLS verifyMultipleSignatures - same message - 128 - blst 4.5886 ms/op 4.5467 ms/op 1.01
BLS aggregatePubkeys 32 - blst 20.631 us/op 19.778 us/op 1.04
BLS aggregatePubkeys 128 - blst 73.971 us/op 71.440 us/op 1.04
notSeenSlots=1 numMissedVotes=1 numBadVotes=10 56.643 ms/op 48.070 ms/op 1.18
notSeenSlots=1 numMissedVotes=0 numBadVotes=4 53.984 ms/op 48.056 ms/op 1.12
notSeenSlots=2 numMissedVotes=1 numBadVotes=10 39.093 ms/op 35.900 ms/op 1.09
getSlashingsAndExits - default max 77.968 us/op 78.799 us/op 0.99
getSlashingsAndExits - 2k 341.54 us/op 293.25 us/op 1.16
proposeBlockBody type=full, size=empty 6.7342 ms/op 6.3638 ms/op 1.06
isKnown best case - 1 super set check 215.00 ns/op 221.00 ns/op 0.97
isKnown normal case - 2 super set checks 212.00 ns/op 222.00 ns/op 0.95
isKnown worse case - 16 super set checks 214.00 ns/op 224.00 ns/op 0.96
InMemoryCheckpointStateCache - add get delete 2.4760 us/op 2.4120 us/op 1.03
validate api signedAggregateAndProof - struct 1.4122 ms/op 1.3924 ms/op 1.01
validate gossip signedAggregateAndProof - struct 1.4841 ms/op 1.4055 ms/op 1.06
batch validate gossip attestation - vc 640000 - chunk 32 120.94 us/op 116.27 us/op 1.04
batch validate gossip attestation - vc 640000 - chunk 64 110.23 us/op 102.50 us/op 1.08
batch validate gossip attestation - vc 640000 - chunk 128 102.76 us/op 95.530 us/op 1.08
batch validate gossip attestation - vc 640000 - chunk 256 110.40 us/op 95.459 us/op 1.16
pickEth1Vote - no votes 1.0167 ms/op 975.51 us/op 1.04
pickEth1Vote - max votes 7.6234 ms/op 7.4104 ms/op 1.03
pickEth1Vote - Eth1Data hashTreeRoot value x2048 13.750 ms/op 10.797 ms/op 1.27
pickEth1Vote - Eth1Data hashTreeRoot tree x2048 16.941 ms/op 14.665 ms/op 1.16
pickEth1Vote - Eth1Data fastSerialize value x2048 471.43 us/op 461.75 us/op 1.02
pickEth1Vote - Eth1Data fastSerialize tree x2048 2.2850 ms/op 2.0903 ms/op 1.09
bytes32 toHexString 389.00 ns/op 367.00 ns/op 1.06
bytes32 Buffer.toString(hex) 255.00 ns/op 235.00 ns/op 1.09
bytes32 Buffer.toString(hex) from Uint8Array 358.00 ns/op 322.00 ns/op 1.11
bytes32 Buffer.toString(hex) + 0x 262.00 ns/op 238.00 ns/op 1.10
Object access 1 prop 0.12500 ns/op 0.12400 ns/op 1.01
Map access 1 prop 0.13200 ns/op 0.12800 ns/op 1.03
Object get x1000 5.9840 ns/op 6.0210 ns/op 0.99
Map get x1000 6.8520 ns/op 6.5930 ns/op 1.04
Object set x1000 33.235 ns/op 28.326 ns/op 1.17
Map set x1000 26.901 ns/op 19.632 ns/op 1.37
Return object 10000 times 0.29920 ns/op 0.28800 ns/op 1.04
Throw Error 10000 times 4.4775 us/op 4.3302 us/op 1.03
toHex 146.54 ns/op 132.45 ns/op 1.11
Buffer.from 126.53 ns/op 129.50 ns/op 0.98
shared Buffer 83.469 ns/op 79.293 ns/op 1.05
fastMsgIdFn sha256 / 200 bytes 2.2730 us/op 2.1820 us/op 1.04
fastMsgIdFn h32 xxhash / 200 bytes 219.00 ns/op 206.00 ns/op 1.06
fastMsgIdFn h64 xxhash / 200 bytes 278.00 ns/op 270.00 ns/op 1.03
fastMsgIdFn sha256 / 1000 bytes 7.4860 us/op 7.3560 us/op 1.02
fastMsgIdFn h32 xxhash / 1000 bytes 351.00 ns/op 346.00 ns/op 1.01
fastMsgIdFn h64 xxhash / 1000 bytes 355.00 ns/op 344.00 ns/op 1.03
fastMsgIdFn sha256 / 10000 bytes 68.344 us/op 65.993 us/op 1.04
fastMsgIdFn h32 xxhash / 10000 bytes 1.9320 us/op 1.8340 us/op 1.05
fastMsgIdFn h64 xxhash / 10000 bytes 1.2800 us/op 1.2290 us/op 1.04
send data - 1000 256B messages 17.428 ms/op 11.171 ms/op 1.56
send data - 1000 512B messages 19.373 ms/op 16.135 ms/op 1.20
send data - 1000 1024B messages 28.447 ms/op 25.434 ms/op 1.12
send data - 1000 1200B messages 22.748 ms/op 19.266 ms/op 1.18
send data - 1000 2048B messages 25.844 ms/op 21.685 ms/op 1.19
send data - 1000 4096B messages 29.341 ms/op 24.742 ms/op 1.19
send data - 1000 16384B messages 69.711 ms/op 66.590 ms/op 1.05
send data - 1000 65536B messages 208.48 ms/op 189.73 ms/op 1.10
enrSubnets - fastDeserialize 64 bits 940.00 ns/op 890.00 ns/op 1.06
enrSubnets - ssz BitVector 64 bits 353.00 ns/op 327.00 ns/op 1.08
enrSubnets - fastDeserialize 4 bits 144.00 ns/op 136.00 ns/op 1.06
enrSubnets - ssz BitVector 4 bits 365.00 ns/op 325.00 ns/op 1.12
prioritizePeers score -10:0 att 32-0.1 sync 2-0 130.10 us/op 118.01 us/op 1.10
prioritizePeers score 0:0 att 32-0.25 sync 2-0.25 150.13 us/op 139.00 us/op 1.08
prioritizePeers score 0:0 att 32-0.5 sync 2-0.5 213.91 us/op 198.78 us/op 1.08
prioritizePeers score 0:0 att 64-0.75 sync 4-0.75 519.91 us/op 375.46 us/op 1.38
prioritizePeers score 0:0 att 64-1 sync 4-1 514.91 us/op 454.74 us/op 1.13
array of 16000 items push then shift 1.7608 us/op 1.6088 us/op 1.09
LinkedList of 16000 items push then shift 8.9310 ns/op 6.9880 ns/op 1.28
array of 16000 items push then pop 91.326 ns/op 74.797 ns/op 1.22
LinkedList of 16000 items push then pop 8.4620 ns/op 6.8900 ns/op 1.23
array of 24000 items push then shift 2.4979 us/op 2.4480 us/op 1.02
LinkedList of 24000 items push then shift 8.0560 ns/op 7.1030 ns/op 1.13
array of 24000 items push then pop 121.09 ns/op 104.00 ns/op 1.16
LinkedList of 24000 items push then pop 8.1330 ns/op 6.8300 ns/op 1.19
intersect bitArray bitLen 8 6.8070 ns/op 6.2860 ns/op 1.08
intersect array and set length 8 39.950 ns/op 40.213 ns/op 0.99
intersect bitArray bitLen 128 31.645 ns/op 30.697 ns/op 1.03
intersect array and set length 128 665.98 ns/op 648.23 ns/op 1.03
bitArray.getTrueBitIndexes() bitLen 128 1.1480 us/op 1.0360 us/op 1.11
bitArray.getTrueBitIndexes() bitLen 248 1.9330 us/op 1.8160 us/op 1.06
bitArray.getTrueBitIndexes() bitLen 512 4.2860 us/op 3.6890 us/op 1.16
Buffer.concat 32 items 645.00 ns/op 619.00 ns/op 1.04
Uint8Array.set 32 items 1.7080 us/op 950.00 ns/op 1.80
Buffer.copy 2.8520 us/op 2.6080 us/op 1.09
Uint8Array.set - with subarray 3.0350 us/op 1.7390 us/op 1.75
Uint8Array.set - without subarray 1.7920 us/op 887.00 ns/op 2.02
getUint32 - dataview 218.00 ns/op 213.00 ns/op 1.02
getUint32 - manual 134.00 ns/op 133.00 ns/op 1.01
Set add up to 64 items then delete first 3.0101 us/op 2.1914 us/op 1.37
OrderedSet add up to 64 items then delete first 4.6245 us/op 3.2290 us/op 1.43
Set add up to 64 items then delete last 2.4883 us/op 2.4693 us/op 1.01
OrderedSet add up to 64 items then delete last 4.7528 us/op 3.5734 us/op 1.33
Set add up to 64 items then delete middle 3.3349 us/op 2.5079 us/op 1.33
OrderedSet add up to 64 items then delete middle 6.7776 us/op 5.1898 us/op 1.31
Set add up to 128 items then delete first 6.6733 us/op 5.0340 us/op 1.33
OrderedSet add up to 128 items then delete first 10.309 us/op 7.8998 us/op 1.30
Set add up to 128 items then delete last 6.6019 us/op 4.9747 us/op 1.33
OrderedSet add up to 128 items then delete last 10.618 us/op 7.3635 us/op 1.44
Set add up to 128 items then delete middle 6.8013 us/op 6.0597 us/op 1.12
OrderedSet add up to 128 items then delete middle 18.626 us/op 13.790 us/op 1.35
Set add up to 256 items then delete first 13.717 us/op 10.316 us/op 1.33
OrderedSet add up to 256 items then delete first 22.007 us/op 16.050 us/op 1.37
Set add up to 256 items then delete last 13.290 us/op 9.9493 us/op 1.34
OrderedSet add up to 256 items then delete last 19.433 us/op 14.629 us/op 1.33
Set add up to 256 items then delete middle 13.136 us/op 9.6809 us/op 1.36
OrderedSet add up to 256 items then delete middle 48.047 us/op 41.386 us/op 1.16
transfer serialized Status (84 B) 2.5530 us/op 2.2420 us/op 1.14
copy serialized Status (84 B) 1.4340 us/op 1.1910 us/op 1.20
transfer serialized SignedVoluntaryExit (112 B) 2.9330 us/op 2.2480 us/op 1.30
copy serialized SignedVoluntaryExit (112 B) 1.7510 us/op 1.2210 us/op 1.43
transfer serialized ProposerSlashing (416 B) 4.1650 us/op 2.3090 us/op 1.80
copy serialized ProposerSlashing (416 B) 2.4760 us/op 1.2760 us/op 1.94
transfer serialized Attestation (485 B) 3.2740 us/op 2.3440 us/op 1.40
copy serialized Attestation (485 B) 2.4840 us/op 1.2690 us/op 1.96
transfer serialized AttesterSlashing (33232 B) 3.2130 us/op 2.4020 us/op 1.34
copy serialized AttesterSlashing (33232 B) 6.0650 us/op 3.4600 us/op 1.75
transfer serialized Small SignedBeaconBlock (128000 B) 3.7250 us/op 3.0010 us/op 1.24
copy serialized Small SignedBeaconBlock (128000 B) 13.611 us/op 9.0630 us/op 1.50
transfer serialized Avg SignedBeaconBlock (200000 B) 4.3750 us/op 3.6070 us/op 1.21
copy serialized Avg SignedBeaconBlock (200000 B) 23.854 us/op 16.390 us/op 1.46
transfer serialized BlobsSidecar (524380 B) 5.3910 us/op 3.6240 us/op 1.49
copy serialized BlobsSidecar (524380 B) 103.06 us/op 59.979 us/op 1.72
transfer serialized Big SignedBeaconBlock (1000000 B) 5.6180 us/op 3.5820 us/op 1.57
copy serialized Big SignedBeaconBlock (1000000 B) 149.28 us/op 117.80 us/op 1.27
pass gossip attestations to forkchoice per slot 3.0190 ms/op 2.9375 ms/op 1.03
forkChoice updateHead vc 100000 bc 64 eq 0 506.26 us/op 475.73 us/op 1.06
forkChoice updateHead vc 600000 bc 64 eq 0 3.1828 ms/op 3.0554 ms/op 1.04
forkChoice updateHead vc 1000000 bc 64 eq 0 5.5264 ms/op 4.8271 ms/op 1.14
forkChoice updateHead vc 600000 bc 320 eq 0 3.7352 ms/op 2.9622 ms/op 1.26
forkChoice updateHead vc 600000 bc 1200 eq 0 3.1741 ms/op 3.7308 ms/op 0.85
forkChoice updateHead vc 600000 bc 7200 eq 0 4.2721 ms/op 3.4530 ms/op 1.24
forkChoice updateHead vc 600000 bc 64 eq 1000 11.581 ms/op 10.633 ms/op 1.09
forkChoice updateHead vc 600000 bc 64 eq 10000 10.859 ms/op 10.584 ms/op 1.03
forkChoice updateHead vc 600000 bc 64 eq 300000 28.110 ms/op 13.873 ms/op 2.03
computeDeltas 500000 validators 300 proto nodes 4.4018 ms/op 4.0012 ms/op 1.10
computeDeltas 500000 validators 1200 proto nodes 4.2884 ms/op 3.9799 ms/op 1.08
computeDeltas 500000 validators 7200 proto nodes 4.2777 ms/op 3.9983 ms/op 1.07
computeDeltas 750000 validators 300 proto nodes 6.6989 ms/op 5.8407 ms/op 1.15
computeDeltas 750000 validators 1200 proto nodes 7.0492 ms/op 5.9881 ms/op 1.18
computeDeltas 750000 validators 7200 proto nodes 7.0067 ms/op 5.8400 ms/op 1.20
computeDeltas 1400000 validators 300 proto nodes 13.326 ms/op 11.057 ms/op 1.21
computeDeltas 1400000 validators 1200 proto nodes 11.279 ms/op 11.091 ms/op 1.02
computeDeltas 1400000 validators 7200 proto nodes 11.112 ms/op 11.294 ms/op 0.98
computeDeltas 2100000 validators 300 proto nodes 16.704 ms/op 16.757 ms/op 1.00
computeDeltas 2100000 validators 1200 proto nodes 16.555 ms/op 16.901 ms/op 0.98
computeDeltas 2100000 validators 7200 proto nodes 16.540 ms/op 17.343 ms/op 0.95
altair processAttestation - 250000 vs - 7PWei normalcase 2.0250 ms/op 2.0773 ms/op 0.97
altair processAttestation - 250000 vs - 7PWei worstcase 3.0146 ms/op 3.1168 ms/op 0.97
altair processAttestation - setStatus - 1/6 committees join 130.50 us/op 137.54 us/op 0.95
altair processAttestation - setStatus - 1/3 committees join 251.18 us/op 248.88 us/op 1.01
altair processAttestation - setStatus - 1/2 committees join 353.58 us/op 345.60 us/op 1.02
altair processAttestation - setStatus - 2/3 committees join 457.05 us/op 452.27 us/op 1.01
altair processAttestation - setStatus - 4/5 committees join 666.58 us/op 603.93 us/op 1.10
altair processAttestation - setStatus - 100% committees join 731.54 us/op 741.84 us/op 0.99
altair processBlock - 250000 vs - 7PWei normalcase 4.6521 ms/op 4.7924 ms/op 0.97
altair processBlock - 250000 vs - 7PWei normalcase hashState 32.167 ms/op 29.107 ms/op 1.11
altair processBlock - 250000 vs - 7PWei worstcase 35.453 ms/op 36.422 ms/op 0.97
altair processBlock - 250000 vs - 7PWei worstcase hashState 86.300 ms/op 80.084 ms/op 1.08
phase0 processBlock - 250000 vs - 7PWei normalcase 1.6846 ms/op 1.6615 ms/op 1.01
phase0 processBlock - 250000 vs - 7PWei worstcase 22.277 ms/op 23.327 ms/op 0.95
altair processEth1Data - 250000 vs - 7PWei normalcase 340.55 us/op 350.11 us/op 0.97
getExpectedWithdrawals 250000 eb:1,eth1:1,we:0,wn:0,smpl:15 5.7230 us/op 6.0790 us/op 0.94
getExpectedWithdrawals 250000 eb:0.95,eth1:0.1,we:0.05,wn:0,smpl:219 39.475 us/op 42.167 us/op 0.94
getExpectedWithdrawals 250000 eb:0.95,eth1:0.3,we:0.05,wn:0,smpl:42 10.709 us/op 12.535 us/op 0.85
getExpectedWithdrawals 250000 eb:0.95,eth1:0.7,we:0.05,wn:0,smpl:18 6.9700 us/op 7.2980 us/op 0.96
getExpectedWithdrawals 250000 eb:0.1,eth1:0.1,we:0,wn:0,smpl:1020 153.81 us/op 219.49 us/op 0.70
getExpectedWithdrawals 250000 eb:0.03,eth1:0.03,we:0,wn:0,smpl:11777 1.8207 ms/op 1.9371 ms/op 0.94
getExpectedWithdrawals 250000 eb:0.01,eth1:0.01,we:0,wn:0,smpl:16384 2.3513 ms/op 2.4274 ms/op 0.97
getExpectedWithdrawals 250000 eb:0,eth1:0,we:0,wn:0,smpl:16384 2.3196 ms/op 2.4323 ms/op 0.95
getExpectedWithdrawals 250000 eb:0,eth1:0,we:0,wn:0,nocache,smpl:16384 4.5236 ms/op 4.8925 ms/op 0.92
getExpectedWithdrawals 250000 eb:0,eth1:1,we:0,wn:0,smpl:16384 2.3604 ms/op 2.5104 ms/op 0.94
getExpectedWithdrawals 250000 eb:0,eth1:1,we:0,wn:0,nocache,smpl:16384 4.5393 ms/op 5.0029 ms/op 0.91
Tree 40 250000 create 419.60 ms/op 479.67 ms/op 0.87
Tree 40 250000 get(125000) 145.10 ns/op 147.31 ns/op 0.99
Tree 40 250000 set(125000) 1.4357 us/op 1.6296 us/op 0.88
Tree 40 250000 toArray() 15.601 ms/op 20.906 ms/op 0.75
Tree 40 250000 iterate all - toArray() + loop 16.241 ms/op 19.715 ms/op 0.82
Tree 40 250000 iterate all - get(i) 53.724 ms/op 62.964 ms/op 0.85
Array 250000 create 2.3903 ms/op 2.6799 ms/op 0.89
Array 250000 clone - spread 812.15 us/op 853.47 us/op 0.95
Array 250000 get(125000) 0.41300 ns/op 0.41400 ns/op 1.00
Array 250000 set(125000) 0.44000 ns/op 0.43600 ns/op 1.01
Array 250000 iterate all - loop 82.777 us/op 112.04 us/op 0.74
phase0 afterProcessEpoch - 250000 vs - 7PWei 42.789 ms/op 43.980 ms/op 0.97
Array.fill - length 1000000 3.4317 ms/op 4.5031 ms/op 0.76
Array push - length 1000000 12.530 ms/op 17.366 ms/op 0.72
Array.get 0.27681 ns/op 0.28987 ns/op 0.95
Uint8Array.get 0.44440 ns/op 0.47821 ns/op 0.93
phase0 beforeProcessEpoch - 250000 vs - 7PWei 15.986 ms/op 20.110 ms/op 0.79
altair processEpoch - mainnet_e81889 238.42 ms/op 279.71 ms/op 0.85
mainnet_e81889 - altair beforeProcessEpoch 18.112 ms/op 20.906 ms/op 0.87
mainnet_e81889 - altair processJustificationAndFinalization 5.6560 us/op 5.7750 us/op 0.98
mainnet_e81889 - altair processInactivityUpdates 4.1562 ms/op 5.1075 ms/op 0.81
mainnet_e81889 - altair processRewardsAndPenalties 35.527 ms/op 39.911 ms/op 0.89
mainnet_e81889 - altair processRegistryUpdates 722.00 ns/op 751.00 ns/op 0.96
mainnet_e81889 - altair processSlashings 188.00 ns/op 194.00 ns/op 0.97
mainnet_e81889 - altair processEth1DataReset 184.00 ns/op 184.00 ns/op 1.00
mainnet_e81889 - altair processEffectiveBalanceUpdates 1.2699 ms/op 1.2630 ms/op 1.01
mainnet_e81889 - altair processSlashingsReset 861.00 ns/op 920.00 ns/op 0.94
mainnet_e81889 - altair processRandaoMixesReset 1.1210 us/op 1.2190 us/op 0.92
mainnet_e81889 - altair processHistoricalRootsUpdate 183.00 ns/op 190.00 ns/op 0.96
mainnet_e81889 - altair processParticipationFlagUpdates 521.00 ns/op 552.00 ns/op 0.94
mainnet_e81889 - altair processSyncCommitteeUpdates 146.00 ns/op 163.00 ns/op 0.90
mainnet_e81889 - altair afterProcessEpoch 45.451 ms/op 46.832 ms/op 0.97
capella processEpoch - mainnet_e217614 828.53 ms/op 874.37 ms/op 0.95
mainnet_e217614 - capella beforeProcessEpoch 63.789 ms/op 62.584 ms/op 1.02
mainnet_e217614 - capella processJustificationAndFinalization 5.2800 us/op 5.4570 us/op 0.97
mainnet_e217614 - capella processInactivityUpdates 14.457 ms/op 15.354 ms/op 0.94
mainnet_e217614 - capella processRewardsAndPenalties 175.67 ms/op 182.47 ms/op 0.96
mainnet_e217614 - capella processRegistryUpdates 6.5490 us/op 6.6830 us/op 0.98
mainnet_e217614 - capella processSlashings 185.00 ns/op 185.00 ns/op 1.00
mainnet_e217614 - capella processEth1DataReset 185.00 ns/op 189.00 ns/op 0.98
mainnet_e217614 - capella processEffectiveBalanceUpdates 4.2240 ms/op 11.918 ms/op 0.35
mainnet_e217614 - capella processSlashingsReset 875.00 ns/op 903.00 ns/op 0.97
mainnet_e217614 - capella processRandaoMixesReset 1.1540 us/op 1.2340 us/op 0.94
mainnet_e217614 - capella processHistoricalRootsUpdate 186.00 ns/op 192.00 ns/op 0.97
mainnet_e217614 - capella processParticipationFlagUpdates 531.00 ns/op 547.00 ns/op 0.97
mainnet_e217614 - capella afterProcessEpoch 119.39 ms/op 118.00 ms/op 1.01
phase0 processEpoch - mainnet_e58758 267.41 ms/op 293.13 ms/op 0.91
mainnet_e58758 - phase0 beforeProcessEpoch 68.121 ms/op 75.649 ms/op 0.90
mainnet_e58758 - phase0 processJustificationAndFinalization 5.7000 us/op 5.7820 us/op 0.99
mainnet_e58758 - phase0 processRewardsAndPenalties 36.838 ms/op 37.219 ms/op 0.99
mainnet_e58758 - phase0 processRegistryUpdates 3.1480 us/op 3.2400 us/op 0.97
mainnet_e58758 - phase0 processSlashings 185.00 ns/op 186.00 ns/op 0.99
mainnet_e58758 - phase0 processEth1DataReset 183.00 ns/op 184.00 ns/op 0.99
mainnet_e58758 - phase0 processEffectiveBalanceUpdates 1.2422 ms/op 1.2805 ms/op 0.97
mainnet_e58758 - phase0 processSlashingsReset 935.00 ns/op 978.00 ns/op 0.96
mainnet_e58758 - phase0 processRandaoMixesReset 1.1840 us/op 1.2270 us/op 0.96
mainnet_e58758 - phase0 processHistoricalRootsUpdate 184.00 ns/op 192.00 ns/op 0.96
mainnet_e58758 - phase0 processParticipationRecordUpdates 902.00 ns/op 917.00 ns/op 0.98
mainnet_e58758 - phase0 afterProcessEpoch 36.230 ms/op 36.612 ms/op 0.99
phase0 processEffectiveBalanceUpdates - 250000 normalcase 1.3509 ms/op 1.3937 ms/op 0.97
phase0 processEffectiveBalanceUpdates - 250000 worstcase 0.5 1.9610 ms/op 2.2169 ms/op 0.88
altair processInactivityUpdates - 250000 normalcase 16.418 ms/op 18.003 ms/op 0.91
altair processInactivityUpdates - 250000 worstcase 16.528 ms/op 17.611 ms/op 0.94
phase0 processRegistryUpdates - 250000 normalcase 5.3390 us/op 7.8370 us/op 0.68
phase0 processRegistryUpdates - 250000 badcase_full_deposits 265.19 us/op 281.31 us/op 0.94
phase0 processRegistryUpdates - 250000 worstcase 0.5 102.06 ms/op 101.80 ms/op 1.00
altair processRewardsAndPenalties - 250000 normalcase 27.574 ms/op 25.894 ms/op 1.06
altair processRewardsAndPenalties - 250000 worstcase 26.369 ms/op 27.477 ms/op 0.96
phase0 getAttestationDeltas - 250000 normalcase 6.1798 ms/op 9.2617 ms/op 0.67
phase0 getAttestationDeltas - 250000 worstcase 6.4447 ms/op 6.3366 ms/op 1.02
phase0 processSlashings - 250000 worstcase 100.40 us/op 107.83 us/op 0.93
altair processSyncCommitteeUpdates - 250000 12.793 ms/op 10.980 ms/op 1.17
BeaconState.hashTreeRoot - No change 228.00 ns/op 231.00 ns/op 0.99
BeaconState.hashTreeRoot - 1 full validator 88.572 us/op 79.713 us/op 1.11
BeaconState.hashTreeRoot - 32 full validator 914.26 us/op 838.00 us/op 1.09
BeaconState.hashTreeRoot - 512 full validator 9.9868 ms/op 10.735 ms/op 0.93
BeaconState.hashTreeRoot - 1 validator.effectiveBalance 102.55 us/op 97.844 us/op 1.05
BeaconState.hashTreeRoot - 32 validator.effectiveBalance 1.5522 ms/op 2.0977 ms/op 0.74
BeaconState.hashTreeRoot - 512 validator.effectiveBalance 20.804 ms/op 28.499 ms/op 0.73
BeaconState.hashTreeRoot - 1 balances 78.056 us/op 73.483 us/op 1.06
BeaconState.hashTreeRoot - 32 balances 675.42 us/op 713.69 us/op 0.95
BeaconState.hashTreeRoot - 512 balances 6.9824 ms/op 8.5501 ms/op 0.82
BeaconState.hashTreeRoot - 250000 balances 143.94 ms/op 167.34 ms/op 0.86
aggregationBits - 2048 els - zipIndexesInBitList 22.046 us/op 21.988 us/op 1.00
byteArrayEquals 32 54.381 ns/op 54.669 ns/op 0.99
Buffer.compare 32 17.378 ns/op 17.550 ns/op 0.99
byteArrayEquals 1024 1.6077 us/op 1.6362 us/op 0.98
Buffer.compare 1024 24.990 ns/op 27.271 ns/op 0.92
byteArrayEquals 16384 25.646 us/op 25.730 us/op 1.00
Buffer.compare 16384 206.19 ns/op 182.98 ns/op 1.13
byteArrayEquals 123687377 196.41 ms/op 196.59 ms/op 1.00
Buffer.compare 123687377 8.7119 ms/op 8.9596 ms/op 0.97
byteArrayEquals 32 - diff last byte 55.590 ns/op 54.082 ns/op 1.03
Buffer.compare 32 - diff last byte 18.069 ns/op 17.577 ns/op 1.03
byteArrayEquals 1024 - diff last byte 1.6809 us/op 1.6956 us/op 0.99
Buffer.compare 1024 - diff last byte 27.579 ns/op 26.321 ns/op 1.05
byteArrayEquals 16384 - diff last byte 26.446 us/op 26.367 us/op 1.00
Buffer.compare 16384 - diff last byte 182.81 ns/op 193.13 ns/op 0.95
byteArrayEquals 123687377 - diff last byte 198.67 ms/op 201.50 ms/op 0.99
Buffer.compare 123687377 - diff last byte 8.3793 ms/op 9.5561 ms/op 0.88
byteArrayEquals 32 - random bytes 5.2910 ns/op 5.2340 ns/op 1.01
Buffer.compare 32 - random bytes 17.938 ns/op 17.659 ns/op 1.02
byteArrayEquals 1024 - random bytes 5.2920 ns/op 5.2770 ns/op 1.00
Buffer.compare 1024 - random bytes 17.986 ns/op 17.635 ns/op 1.02
byteArrayEquals 16384 - random bytes 5.4070 ns/op 5.2900 ns/op 1.02
Buffer.compare 16384 - random bytes 17.870 ns/op 17.968 ns/op 0.99
byteArrayEquals 123687377 - random bytes 6.8000 ns/op 6.7600 ns/op 1.01
Buffer.compare 123687377 - random bytes 19.940 ns/op 19.410 ns/op 1.03
regular array get 100000 times 37.840 us/op 35.290 us/op 1.07
wrappedArray get 100000 times 38.248 us/op 34.979 us/op 1.09
arrayWithProxy get 100000 times 14.515 ms/op 14.167 ms/op 1.02
ssz.Root.equals 52.330 ns/op 49.405 ns/op 1.06
byteArrayEquals 49.127 ns/op 47.880 ns/op 1.03
Buffer.compare 11.144 ns/op 10.974 ns/op 1.02
processSlot - 1 slots 10.775 us/op 12.315 us/op 0.87
processSlot - 32 slots 2.5032 ms/op 2.1696 ms/op 1.15
getEffectiveBalanceIncrementsZeroInactive - 250000 vs - 7PWei 3.9884 ms/op 3.6214 ms/op 1.10
getCommitteeAssignments - req 1 vs - 250000 vc 2.2593 ms/op 2.7136 ms/op 0.83
getCommitteeAssignments - req 100 vs - 250000 vc 4.3306 ms/op 4.2916 ms/op 1.01
getCommitteeAssignments - req 1000 vs - 250000 vc 4.6323 ms/op 4.6190 ms/op 1.00
findModifiedValidators - 10000 modified validators 763.45 ms/op 824.44 ms/op 0.93
findModifiedValidators - 1000 modified validators 774.41 ms/op 794.27 ms/op 0.97
findModifiedValidators - 100 modified validators 278.96 ms/op 233.63 ms/op 1.19
findModifiedValidators - 10 modified validators 177.15 ms/op 220.77 ms/op 0.80
findModifiedValidators - 1 modified validators 223.92 ms/op 276.93 ms/op 0.81
findModifiedValidators - no difference 192.03 ms/op 183.11 ms/op 1.05
compare ViewDUs 6.6050 s/op 7.2018 s/op 0.92
compare each validator Uint8Array 1.5454 s/op 1.6189 s/op 0.95
compare ViewDU to Uint8Array 1.3056 s/op 1.0637 s/op 1.23
migrate state 1000000 validators, 24 modified, 0 new 1.0250 s/op 846.79 ms/op 1.21
migrate state 1000000 validators, 1700 modified, 1000 new 1.4146 s/op 1.0751 s/op 1.32
migrate state 1000000 validators, 3400 modified, 2000 new 1.5022 s/op 1.6644 s/op 0.90
migrate state 1500000 validators, 24 modified, 0 new 857.37 ms/op 846.88 ms/op 1.01
migrate state 1500000 validators, 1700 modified, 1000 new 1.2017 s/op 1.0511 s/op 1.14
migrate state 1500000 validators, 3400 modified, 2000 new 1.6110 s/op 1.4206 s/op 1.13
RootCache.getBlockRootAtSlot - 250000 vs - 7PWei 4.6600 ns/op 4.9900 ns/op 0.93
state getBlockRootAtSlot - 250000 vs - 7PWei 629.55 ns/op 639.51 ns/op 0.98
naive computeProposerIndex 100000 validators 67.630 ms/op 56.982 ms/op 1.19
computeProposerIndex 100000 validators 1.6184 ms/op 1.6585 ms/op 0.98
naiveGetNextSyncCommitteeIndices 1000 validators 9.6514 s/op 7.9219 s/op 1.22
getNextSyncCommitteeIndices 1000 validators 132.60 ms/op 118.65 ms/op 1.12
naiveGetNextSyncCommitteeIndices 10000 validators 10.845 s/op 7.8954 s/op 1.37
getNextSyncCommitteeIndices 10000 validators 133.94 ms/op 130.01 ms/op 1.03
naiveGetNextSyncCommitteeIndices 100000 validators 9.1016 s/op 9.0227 s/op 1.01
getNextSyncCommitteeIndices 100000 validators 119.92 ms/op 122.34 ms/op 0.98
naive computeShuffledIndex 100000 validators 27.550 s/op 25.490 s/op 1.08
cached computeShuffledIndex 100000 validators 572.18 ms/op 600.19 ms/op 0.95
naive computeShuffledIndex 2000000 validators 563.01 s/op 513.94 s/op 1.10
cached computeShuffledIndex 2000000 validators 53.252 s/op 41.629 s/op 1.28
computeProposers - vc 250000 634.77 us/op 699.85 us/op 0.91
computeEpochShuffling - vc 250000 44.971 ms/op 45.901 ms/op 0.98
getNextSyncCommittee - vc 250000 11.234 ms/op 11.222 ms/op 1.00
computeSigningRoot for AttestationData 26.356 us/op 20.849 us/op 1.26
hash AttestationData serialized data then Buffer.toString(base64) 1.7815 us/op 1.6813 us/op 1.06
toHexString serialized data 1.4986 us/op 1.3009 us/op 1.15
Buffer.toString(base64) 154.38 ns/op 167.36 ns/op 0.92
nodejs block root to RootHex using toHex 167.30 ns/op 167.47 ns/op 1.00
nodejs block root to RootHex using toRootHex 101.39 ns/op 95.066 ns/op 1.07
browser block root to RootHex using the deprecated toHexString 244.65 ns/op 402.42 ns/op 0.61
browser block root to RootHex using toHex 192.41 ns/op 296.05 ns/op 0.65
browser block root to RootHex using toRootHex 170.64 ns/op 172.31 ns/op 0.99

by benchmarkbot/action

@nflaig nflaig merged commit 335a428 into unstable Jun 12, 2025
21 checks passed
@nflaig nflaig deleted the nflaig/proposer-lookahead-api branch June 12, 2025 09:48
KatyaRyazantseva pushed a commit to KatyaRyazantseva/lodestar that referenced this pull request Jun 19, 2025
@nflaig @KatyaRyazantseva
feat: add endpoint to retrieve proposer lookahead from state (ChainSa…
629769f 
…fe#7949)

**Motivation**

- ethereum/beacon-APIs#539

**Description**

Add `GET /eth/v1/beacon/states/{state_id}/proposer_lookahead` endpoint
to retrieve proposer lookahead from state
@wemeetagain
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wemeetagain commented Jul 15, 2025

🎉 This PR is included in v1.32.0 🎉

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@nazarhussain nazarhussain nazarhussain approved these changes

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@nflaig @wemeetagain @nazarhussain @philknows