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add back tx/encode endpoint #10856

Closed
4 of 6 tasks
Tracked by #13085
tac0turtle opened this issue Jan 2, 2022 · 15 comments · Fixed by #13882
Closed
4 of 6 tasks
Tracked by #13085

add back tx/encode endpoint #10856

tac0turtle opened this issue Jan 2, 2022 · 15 comments · Fixed by #13882
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T: Client UX T: Dev UX UX for SDK developers (i.e. how to call our code) T:feature-request

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@tac0turtle
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tac0turtle commented Jan 2, 2022

Summary

tx/encode endpoint was removed without a migration path given to many users. This has caused lots of trouble. It would be good to add an endpoint to grpc for tx/encode. This will help a lot with client interactions.

Proposal

cc @ValarDragon


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@tac0turtle tac0turtle added T:feature-request T: Dev UX UX for SDK developers (i.e. how to call our code) T: Client UX labels Jan 2, 2022
@ValarDragon
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Please, this would be a great time saver for so many integrations

@alexanderbez
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@AmauryM do you have any insight here?

@amaury1093
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amaury1093 commented Jan 3, 2022

The old /tx/encode endpoint took as input a StdTx as JSON, and outputs new proto Tx's proto-binary bytes (as base64). Unfortunately we cannot do that anymore. The StdTx does not have a readable sequence, so we can't populate this field in the proto tx.

We could add a new endpoint for proto tx JSON -> proto tx Binary conversion, but then what's the point of doing that over network when 4 lines of code suffice to do it locally.

@tac0turtle
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4 lines of code in go or js, python, etc as well?

for my use case I don't want to have any codecs on my client, I want to get the format of the message from grpc and be able to broadcast it. To do this currently my understanding is I need codecs of the proto messages.

@amaury1093
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OK, sgtm, then adding an endpoint for proto tx JSON<->binary encodings sounds fine 👍 It should go in the tx service.

@robert-zaremba
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Are we sure there are no hidden traps? Can we safely encode every message with standard JSON (not a proto-json) without missing anything? Before we were using Amino....

@robert-zaremba
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Also, if we confirm the above, do we need it in 0.45?

@tac0turtle
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Are we sure there are no hidden traps? Can we safely encode every message with standard JSON (not a proto-json) without missing anything? Before we were using Amino....

I believe the json received in grpc reflection is Proto-json? @fdymylja could you confirm?

Also, if we confirm the above, do we need it in 0.45?

I would love this for 0.45 but also its not breaking so we could backport it(?)

@amaury1093
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Are we sure there are no hidden traps? Can we safely encode every message with standard JSON (not a proto-json) without missing anything? Before we were using Amino....

Yeah, as Marko said, that endpoint would handle proto json only. No std json, no amino json.

@BitHighlander
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BitHighlander commented Jan 16, 2022

We could add a new endpoint for proto tx JSON -> proto tx Binary conversion, but then what's the point of doing that over network when 4 lines of code suffice to do it locally.

@AmauryM do you have a js/ts example of doing this locally? I maintain https://github.com/shapeshift/hdwallet a library for broad Hardware wallet support (trezor/ledger/keepkey) and i'm unable to broadcast our signed payloads. (example) with the latest node version.

any advice for how to address this offline, in client, would be helpful, thanks.

@amaury1093
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I don't unfortunately. it may be worth asking https://github.com/cosmos/cosmjs

@roccomuso
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any news about this?

@kevin486
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kevin486 commented Jun 9, 2022

Sharing an example of how to convert from json to protobuff can be very helpful. Thank you!!

@tac0turtle tac0turtle mentioned this issue Aug 30, 2022
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@tac0turtle
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@AmauryM what do you think about injecting an endpoint with grpcgatteway to handle all encoding?

@amaury1093
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SGTM!

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