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state_getChildReadProof RPC Method

Returns proof of storage for child key entries at a specific block state.

Updated on
Apr 01, 2026

Parameters

PrefixedStorageKey
string
REQUIRED

The prefix of the child storage key entries for which you want to retrieve the proof

StorageKey
array
REQUIRED

An array of strings representing the child storage keys for which you want to obtain the proof

BlockHash
string

The hash of a specific block in the chain

Returns

ReadProof
object

An object containing the proof of storage for the specified child key entries

Request
Response
1
{
2
"jsonrpc": "2.0",
3
"result": {
4
"at": "0xe980a80ed3bda993f300a7e441e5e6988bb320b1db74b30a1d954844189d3276",
5
"proof": [
6
"0x80202080dcd97adda4ad1ea5ae5687348aae284d365164b4ca4452c5694fa2011ca393e48093eca135f75871599032bce5dcf695fe3e4bde441174aec82be1cfe1c2983c53",
7
"0x80ffff80a9f6b6edec83da0a9ac3edf3c05065c31b6d1bdabab394fec6920ac95c8e31bc8007179850b2bfd799eabf0768e924abdba5cf1ba4446ab00f3965cb297c428bb18"
8
]
9
},
10
"id": 1
11
}
1
{
2
"jsonrpc": "2.0",
3
"result": {
4
"at": "0xe980a80ed3bda993f300a7e441e5e6988bb320b1db74b30a1d954844189d3276",
5
"proof": [
6
"0x80202080dcd97adda4ad1ea5ae5687348aae284d365164b4ca4452c5694fa2011ca393e48093eca135f75871599032bce5dcf695fe3e4bde441174aec82be1cfe1c2983c53",
7
"0x80ffff80a9f6b6edec83da0a9ac3edf3c05065c31b6d1bdabab394fec6920ac95c8e31bc8007179850b2bfd799eabf0768e924abdba5cf1ba4446ab00f3965cb297c428bb18"
8
]
9
},
10
"id": 1
11
}
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