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fix page zktrie: change the domain of nodeKey hashing to 512 instead of 256 #282

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Merged
merged 1 commit into from
Jun 27, 2024
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fix page zktrie: change the domain of nodeKey hashing to 512 instead of 256 #282

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4 changes: 2 additions & 2 deletions src/content/docs/en/technology/sequencer/zktrie.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ An Ethereum Account Leaf Node consists of an Ethereum address and a state accoun
var address byte[20] // 20 bytes in big-endian
valHi := address[0:16]
valLo := address[16:20] * 2^96 // padding 12 bytes of 0 at the end
nodeKey := h{256}(valHi, valLo)
nodeKey := h{512}(valHi, valLo)
```

A state account struct in the Scroll consists of the following fields (`Fr` indicates the finite field and is a 254-bit value)
Expand Down Expand Up @@ -182,7 +182,7 @@ A Storage Leaf Node encodes a key-value pair where both key and value are `u256`
var storageKey byte[32] // 32 bytes in big-endian
valHi := storageKey[0:16]
valLo := storageKey[16:32]
nodeKey := h{256}(valHi, valLo)
nodeKey := h{512}(valHi, valLo)
```

The storage value is a `u256` value. The `flag` for the storage value is 1, shown below.
Expand Down