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https://github.com/ton-blockchain/ton
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39 lines
1.4 KiB
Markdown
39 lines
1.4 KiB
Markdown
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# Global versions
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Global version is a parameter specified in `ConfigParam 8` ([block.tlb](https://github.com/ton-blockchain/ton/blob/master/crypto/block/block.tlb#L595)).
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Various features are enabled depending on the global version.
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## Version 4
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### New TVM instructions
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* `PREVMCBLOCKS`, `PREVKEYBLOCK`
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* `GLOBALID`
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* `HASHEXT(A)(R)`
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* `ECRECOVER`
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* `SENDMSG`
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* `RUNVM`, `RUNVMX`
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* `GASCONSUMED`
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* `RIST255_...` instructions
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* `BLS_...` instructions
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* `P256_CHKSIGNS`, `P256_CHKSIGNU`
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### Division
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[Division instruction](https://ton.org/docs/learn/tvm-instructions/instructions#52-division) can add a number to the
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intermediate value before division (e.g. `(xy+w)/z`).
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### Stack operations
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* Arguments of `PICK`, `ROLL`, `ROLLREV`, `BLKSWX`, `REVX`, `DROPX`, `XCHGX`, `CHKDEPTH`, `ONLYTOPX`, `ONLYX` are now unlimited.
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* `ROLL`, `ROLLREV`, `BLKSWX`, `REVX`, `ONLYTOPX` consume more gas when arguments are big.
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### c7 tuple
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**c7** tuple extended from 10 to 14 elements:
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* **10**: code of the smart contract.
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* **11**: value of the incoming message.
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* **12**: fees collected in the storage phase.
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* **13**: information about previous blocks.
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### Action phase
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* If "send message" action fails, the account is required to pay for processing cells of the message.
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* Flag +16 in actions "Send message", "Reserve", "Change library" causes bounce if action fails.
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### Storage phase
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* Unpaid storage fee is now saved to `due_payment`
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