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eth-v1-validator-aggregate_attestation RPC Method

Aggregates all attestations matching the given attestation data.

Updated on
Jul 07, 2026

Query Parameters

attestation_data_root
string
REQUIRED

The HashTreeRoot of AttestationData that validator wants aggregated

slot
string
REQUIRED

The slot position

committee_index
string
REQUIRED

The committee index

Returns

data
array

The Attestation object from the CL spec that contains the following values:

aggregation_bits
string

The attester aggregation bits

signature
string

The BLS aggregate signature

data
array

The AttestationData object from the CL spec

slot
string

The corresponding slot

index
string

The index

beacon_block_root
string

The LMD GHOST vote

source
array

The Checkpoint

epoch
string

The corresponding epoch

root
string

The corresponding root

target
array

The Checkpoint

epoch
string

The corresponding epoch

root
string

The corresponding root

Request
Response
1
{
2
"data": {
3
"aggregation_bits": "0x01",
4
"signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
5
"data": {
6
"slot": "1",
7
"index": "1",
8
"beacon_block_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
9
"source": {
10
"epoch": "1",
11
"root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
12
},
13
"target": {
14
"epoch": "1",
15
"root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
16
}
17
}
18
}
19
}
1
{
2
"data": {
3
"aggregation_bits": "0x01",
4
"signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
5
"data": {
6
"slot": "1",
7
"index": "1",
8
"beacon_block_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
9
"source": {
10
"epoch": "1",
11
"root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
12
},
13
"target": {
14
"epoch": "1",
15
"root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
16
}
17
}
18
}
19
}
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