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I am trying to originate a contract using bls12_381_fr types and am running into an error. The same contract originated successfully on the edo branch of the Metastate repository.

Now I am running the latest-release branch on the Tezos repo but get this error when I try to originate the same contract.

  Invalid primitive.
  Primitive bls12_381_fr has invalid case.

EDIT: I am running it on sandbox mode and I ran tezos-activate-alpha.

EDIT: I am on hash 6102c808a21b32e732ab9bb1825761cd056f3e86 with latest-release. Also, here is the exact contract I am trying to originate. Note that it has no storage arguments.

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  • Can you please give more information on your setup? Which network is your node connecting to if any?
    – Raphaël Cauderlier
    Feb 23, 2021 at 11:43
  • In tezos-client you can force a protocol version using the --protocol argument.
    – Raphaël Cauderlier
    Feb 23, 2021 at 11:44
  • i just edited the question to include that it's in sandbox mode with alpha activated. Okay, I thought edo was active on the main release though and so I would be able to use the default protocol?
    – Darius
    Feb 23, 2021 at 11:48

2 Answers 2

Reset to default
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Edo2net is not the default protocol in sandbox.

You will need to provide the --protocol-hash arg:

tezos-sandbox mini \
   --size 1 \
   --number-of-boot 2 \
   --protocol-hash PtEdo2ZkT9oKpimTah6x2embF25oss54njMuPzkJTEi5RqfdZFA \
   --no-baking \
   --until-level 2_000_000 \
   --timestamp-delay=-3600 \
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Can you give more information on your setup? Like which hash do you use?

In the latest versions of BLS12-381 (used by Edo), it has been decided to pad the bytes for Fr elements. Some users requested it because it was a bit annoying to push 32 bytes if the elements should represent 5 for instance (which can be encoded with 0x05). Previous versions of BLS12-381 used in Tezos were not padding (up to November 2020 I think), and PUSH bls12_381_fr 0x05 was not valid. Now, PUSH bls12_381_fr 0x05 is equivalent to PUSH bls12_381_fr 0x05000000000000000000000000000000) The current version of latest-release (6102c808a21b32e732ab9bb1825761cd056f3e86) does include the padding.

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  • Also a good example by SmartPy: smartpy.io/ide/?template=bls12_381.py The test environment supports all Michelson operations.
    – Rodrigo Quelhas
    Feb 23, 2021 at 13:42
  • Thanks, I added the hash and also the contract I'm trying to originate. I don't think the padding is an issue since the contract has no storage, and all I am trying to do is originate it. As Rodrigo pointed out above though, I am running sandbox using ./src/bin_node/tezos-sandboxed-node.sh 1 --connections 1, and not specifically selecting Edo2net, so i think that might be the issue.
    – Darius
    Feb 23, 2021 at 13:44

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