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Add more recent blocks to "previous blocks info"

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SpyCheese 2024-12-17 11:17:54 +03:00
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@ -114,11 +114,16 @@ Operations for working with Merkle proofs, where cells can have non-zero level a
## Version 9
### c7 tuple
c7 tuple parameter number **13** (previous blocks info tuple) now has the third element. It contains ids of the 16 last masterchain blocks with seqno divisible by 100.
Example: if the last masterchain block seqno is `19071` then the list contains block ids with seqnos `19000`, `18900`, ..., `17500`.
### New TVM instructions
- `SECP256K1_XONLY_PUBKEY_TWEAK_ADD` (`key tweak - 0 or f x y -1`) - performs [`secp256k1_xonly_pubkey_tweak_add`](https://github.com/bitcoin-core/secp256k1/blob/master/include/secp256k1_extrakeys.h#L120).
`key` and `tweak` are 256-bit unsigned integers. 65-byte public key is returned as `uint8 f`, `uint256 x, y` (as in `ECRECOVER`). Gas cost: `1276`.
- `mask SETCONTCTRMANY` (`cont - cont'`) - takes continuation, performs the equivalent of `c[i] PUSHCTR SWAP c[i] SETCONTCNR` for each `i` that is set in `mask` (mask is in `0..255`).
- `SETCONTCTRMANYX` (`cont mask - cont'`) - same as `SETCONTCTRMANY`, but takes `mask` from stack.
- `PREVMCBLOCKS_100` returns the third element of the previous block info tuple (see above).
### Other changes
- Fix `RAWRESERVE` action with flag `4` (use original balance of the account) by explicitly setting `original_balance` to `balance - msg_balance_remaining`.