Add katana method to "mock" paymaster locally

[MartianGreed]

I want to be able to use Controller on my local infra. (katana and torii running on localhost)

Be sure to use proper dojo.js branch : https://github.com/dojoengine/dojo.js/tree/feat/cairo-types

cd dojo.js
git fetch --all && git checkout feat/cairo-types

For testing, we'll use dojo.js frontend examples located at :
dojo.js/examples/example-vite-kitchen-sink and worlds/onchain-dash.

Make sure mkcert is installed.

start stack :

katana --dev --dev.no-fee --htt.cors_origins '*'
sozo migrate
torii -w 0x0338b87c85e7d798cf3c6e3605bf4d233a54328e9811c00c0b27ea3a20305615 --http.cors_origins '*'

Start client locally :

pnpm dev

Open browser on https://localhost:5173

click on bottom left button and try to connect to controller using your actual username.

Fund your account :

sozo execute 0x49d36570d4e46f48e99674bd3fcc84644ddd6b96f7c741b1562b82f9e004dc7 transfer -c 
0x022ec087151f643e816ea1197c6f3d80d42a326590fc6ed05f5debada7f1b24e,u256:10000000000000000

Declare controller class hash :

starkli declare --account katana-0 ~/Downloads/controller_last.json --rpc http://localhost:5050 --compiler-version 2.8.5

Click on controller again and try to upgrade.

You should see an error like {"__wbg_ptr":1384752}

Imo, here is the request causing this issue :

curl 'http://localhost:5050/' \
  -H 'Accept: */*' \
  -H 'Accept-Language: en-GB,en-US;q=0.9,en;q=0.8' \
  -H 'Connection: keep-alive' \
  -H 'Origin: https://x.cartridge.gg' \
  -H 'Sec-Fetch-Dest: empty' \
  -H 'Sec-Fetch-Mode: cors' \
  -H 'Sec-Fetch-Site: cross-site' \
  -H 'Sec-GPC: 1' \
  -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36' \
  -H 'content-type: application/json' \
  -H 'sec-ch-ua: "Brave";v="131", "Chromium";v="131", "Not_A Brand";v="24"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "macOS"' \
  --data-raw '{"id":1,"jsonrpc":"2.0","method":"cartridge_addExecuteOutsideTransaction","params":{"address":"0x22ec087151f643e816ea1197c6f3d80d42a326590fc6ed05f5debada7f1b24e","outside_execution":{"caller":"0x414e595f43414c4c4552","nonce":"0x574ff2ae0bba3503802c7483906f0c3c7fde9f356414118831802d9b9567e70","execute_after":"0x0","execute_before":"0x67619c47","calls":[{"to":"0x22ec087151f643e816ea1197c6f3d80d42a326590fc6ed05f5debada7f1b24e","selector":"0xf2f7c15cbe06c8d94597cd91fd7f3369eae842359235712def5584f8d270cd","calldata":["0x511dd75da368f5311134dee2356356ac4da1538d2ad18aa66d57c47e3757d59"]}]},"signature":["0x1","0x4","0x16","0x68","0x74","0x74","0x70","0x73","0x3a","0x2f","0x2f","0x78","0x2e","0x63","0x61","0x72","0x74","0x72","0x69","0x64","0x67","0x65","0x2e","0x67","0x67","0x9d0aec9905466c9adf79584fa75fed3","0x20a97ec3f8efbc2aca0cf7cabb420b4a","0x1d95b17e4f0394060913173a9246dc40","0xd9254a771cd0576caaf95ffb3cca28e9","0x15","0x2c","0x22","0x63","0x72","0x6f","0x73","0x73","0x4f","0x72","0x69","0x67","0x69","0x6e","0x22","0x3a","0x66","0x61","0x6c","0x73","0x65","0x7d","0x1d","0x0","0x84f53524d4695e1739dd8ac643844bc3","0x2a8ec44e0c99ad444605aaf422c0f1f2","0x5391249e533f1d9c4c8e978898addc03","0x3e044b0aee07cc449bcf64e4d9707871","0x1"]}}'

controller_last.json

[tarrencev]

Hey @MartianGreed,

You can use controller with katana using katana --slot.controller. It doesn't support the paymaster though.

We have a mock implementation of the paymaster rpc we use for testing at https://github.com/cartridge-gg/controller/blob/6650fbe880440ed8bbd87318e85dbcb3618239f3/packages/account_sdk/src/tests/runners/cartridge.rs#L40

It would be fairly simple to generalize that, making the executor (prefunded) account configurable, and wrapping the katana rpc with the proxy when --slot.controller is enabled.

Would you be interested in contributing that?

[MartianGreed]

Hey, I tried katana with the --slot.controller option but I still went through the paymaster error. I've discussed about this with @glihm and I think @kariy is on his way to add mock implementation into katana directly.