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[athena-poc] change principal address calculation #6526

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[athena-poc] change principal address calculation #6526

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6 changes: 4 additions & 2 deletions vm/core/hash.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,17 @@ func SigningBody(genesis, tx []byte) []byte {
return full
}

// ComputePrincipal address as the last 24 bytes of Hash(template || blob).
// ComputePrincipal address as the first 24 bytes of Hash(template || blob).
// See https://github.com/spacemeshos/go-spacemesh/issues/6420 for more details.
func ComputePrincipalFromBlob(template types.Address, blob []byte) types.Address {
hasher := hash.GetHasher()
defer hash.PutHasher(hasher)
hasher.Write(template[:])
hasher.Write(blob)
sum := hasher.Sum(nil)
return types.GenerateAddress(sum)
var address types.Address
copy(address[:], sum)
return address
}

func TemplateAddress(code []byte) types.Address {
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