Walk miners through a 0.5 TAO burn on a second push

[kenobijon]

Summary

• gascli d push still does a normal upload first. If this hotkey already used its free slot and has no unused burn credit, the CLI explains the 0.5 TAO SN34 alpha fee, asks to continue, unlocks the coldkey, burns, and retries the upload with the burn receipt. Miners do not paste a hash.
• Enough staked α uses burn_alpha. Short α and ≥0.5 free TAO uses one add_stake_burn. Recycle does not count. There is no --yes / --no-burn; a second counted model requires the burn.
• A crash after the extrinsic, or a failed upload / exam, reuses the unused credit (saved receipt locally, unused row on the API). The burn is spent only when the model is confirmed.

Depends on the upload API in BitMind-AI/bmcore#392 accepting burn_tx_hash / burn_block and auto-attaching unused credit.

Test plan

• pytest tests/test_resubmit_burn.py tests/test_miner_upload_streaming.py tests/test_push_model_retries.py
• First gascli d push on a fresh registration still succeeds without a burn
• Second gascli d push on the same hotkey prompts, burns, retries (needs bmcore refactor cache modules #392 deployed)
• Answering n stops without sending a burn
• Non-interactive CI/scripted push prints the “re-run in a terminal” hint instead of hanging
• After a failed exam or dead upload, the next push does not ask to burn again

---

Note

Medium Risk
Introduces on-chain burns and coldkey-signed extrinsics tied to upload authorization; behavior depends on the upload API accepting burn proof (bmcore #392).

Overview
Enables second and later model pushes on the same hotkey after the free submission slot is used, by having gascli d push burn 0.5 TAO of SN34 alpha and attach proof to the upload API.

Adds gas/protocol/resubmit_burn.py for an interactive flow: explain the fee, confirm in a TTY, then either burn_alpha from staked α or add_stake_burn when stake is short. Burn receipts (tx_hash + block) are saved under GAS_HOME and reused if upload or exam fails; the receipt is cleared only after a successful confirm.

upload_single_modality now sends optional burn_tx_hash / burn_block on presign, retries with a saved or fresh burn on 403 submission-limit responses, and narrows “already uploaded” handling so only the explicit duplicate-hash 409 skips upload (other 409s fail closed). push_model passes a resubmit callback into uploads. Docs in Discriminative-Mining.md describe the paid resubmit path. Covered by tests/test_resubmit_burn.py.

^{Reviewed by Cursor Bugbot for commit 6a00b35. Bugbot is set up for automated code reviews on this repo. Configure here.}

[cursor]

Stale Bugbot comment from a previous run.

[cursor]

Cursor Bugbot has reviewed your changes using default effort and found 2 potential issues.

There are 4 total unresolved issues (including 2 from previous reviews).

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit e5c0770. Configure here.}