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Automatically merged updates to draft EIP(s) 1559 (#2635)

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Micah Zoltu 2020-06-02 02:48:07 +08:00 committed by GitHub
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1 changed files with 22 additions and 14 deletions
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EIPS/eip-1559.md
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@ -45,14 +45,23 @@ The transition to this gas price system will occur in two phases, in the first p
<!--The technical specification should describe the syntax and semantics of any new feature. The specification should be detailed enough to allow competing, interoperable implementations for any of the current Ethereum platforms (go-ethereum, parity, cpp-ethereum, ethereumj, ethereumjs, and [others](https://github.com/ethereum/wiki/wiki/Clients)).--> <!--The technical specification should describe the syntax and semantics of any new feature. The specification should be detailed enough to allow competing, interoperable implementations for any of the current Ethereum platforms (go-ethereum, parity, cpp-ethereum, ethereumj, ethereumjs, and [others](https://github.com/ethereum/wiki/wiki/Clients)).-->
**Parameters** **Parameters**
* `INITIAL_FORK_BLKNUM`: TBD * `INITIAL_FORK_BLKNUM`: TBD
* `BASEFEE_MAX_CHANGE_DENOMINATOR`: 8 * `MIGRATION_DURATION_IN_BLOCKS`: 800,000
* `TARGET_GAS_USED`: 10,000,000 * `FINAL_FORK_BLKNUM`: `INITIAL_FORK_BLKNUM + MIGRATION_DURATION_IN_BLOCKS`
* `MAX_GAS_EIP1559`: 16,000,000 * `EIP1559_INITIAL_GAS_TARGET`: `BLOCK_GAS_TARGET / 2`
* `EIP1559_DECAY_RANGE`: `MAX_GAS_EIP1559 / 20` == `800,000` * `LEGACY_INITIAL_GAS_LIMIT`: `BLOCK_GAS_TARGET - EIP1559_GAS_TARGET`
* `FINAL_FORK_BLKNUM`: `INITIAL_FORK_BLKNUM + EIP1559_DECAY_RANGE` * `EIP1559_GAS_TARGET`:
* `EIP1559_GAS_INCREMENT_AMOUNT`: `(MAX_GAS_EIP1559 / 2) / EIP1559_DECAY_RANGE` == `10` ```
if CURRENT_BLKNUM >= FINAL_FORK_BLOKNUM then
BLOCK_GAS_TARGET
elif CURRNT_BLKNUM < INITIAL_FORK_BLKNUM then
0
else
EIP1559_INITIAL_GAS_TARGET + LEGACY_INITIAL_GAS_LIMIT * (CURRENT_BLKNUM - INITIAL_FORK_BLKNUM) / MIGRATION_DURATION_IN_BLOCKS
```
* `LEGACY_GAS_LIMIT`: `BLOCK_GAS_TARGET - EIP1559_GAS_TARGET`
* `EIP1559_GAS_LIMIT`: `EIP1559_GAS_TARGET * 2`
* `BASEFEE_MAX_CHANGE_DENOMINATOR`: `8`
* `INITIAL_BASEFEE` : 1,000,000,000 wei (1 gwei) * `INITIAL_BASEFEE` : 1,000,000,000 wei (1 gwei)
* `PER_TX_GASLIMIT`: 8,000,000
**Proposal** **Proposal**
@ -60,13 +69,12 @@ For all blocks where `block.number >= INITIAL_FORK_BLKNUM`:
For the gas limit: For the gas limit:
* `MAX_GAS_EIP1559` acts as the hard in-protocol gas limit, instead of the gas limit calculated using the previously existing formulas * The field in the block header previously referred to as `GASLIMIT` will now be referred to colloquially as `GAS_TARGET`. Its value will still be controlled by miners in the same way as previously. It represents the total gas available to the legacy gas pool as well as the target gas of the EIP1559 gas pool.
* The `GASLIMIT` field in the block header is the gas limit for the EIP1559 gas pool, and over the transition period this value increases until it reaches `MAX_GAS_EIP1559` at `FINAL_FORK_BLKNUM` * `EIP1559_GAS_LIMIT` is the space available for EIP1559 transactions (EIP1559 gas pool) and it is a function of `BLOCK_GAS_TARGET` and blocks since `INITIAL_FORK_BLKNUM`. It becomes equal to `BLOCK_GAS_TARGET * 2` for blocks >= `FINAL_FORK_BLKNUM`
* The gas limit for the legacy gas pool is `MAX_GAS_EIP1559 - GASLIMIT`, as `GASLIMIT` increases towards `MAX_GAS_EIP1559` gas is moved from the legacy pool into the EIP1559 pool until all of the gas is in the EIP1559 pool * The gas limit for the legacy gas pool is `BLOCK_GAS_TARGET - EIP1559_GAS_TARGET`. As `EIP1559_GAS_TARGET` increases towards `BLOCK_GAS_TARGET`, gas is moved from the legacy pool into the EIP1559 pool until all of the gas is in the EIP1559 pool
* At `block.number == INITIAL_FORK_BLKNUM`, let `GASLIMIT = (MAX_GAS_EIP1559 / 2)` so that the gas maximum is split evenly between the legacy and EIP1559 gas pools * At `block.number == INITIAL_FORK_BLKNUM`, let `EIP1559_GAS_LIMIT = (GASLIMIT / 2)` so that the gas maximum is split evenly between the legacy and EIP1559 gas pools
* As `block.number` increases towards `FINAL_FORK_BLKNUM`, at every block we shift `EIP1559_GAS_INCREMENT_AMOUNT` from the legacy pool into the EIP1559 gas pool * As `block.number` increases towards `FINAL_FORK_BLKNUM`, at every block we shift `1/MIGRATION_DURATION_IN_BLOCKS` gas from the legacy pool into the EIP1559 gas pool (effectively doubling it as it moves, since the EIP1559 gas target is half of the limit)
* At `block.number >= FINAL_FORK_BLKNUM` the entire `MAX_GAS_EIP1559` is assigned to the EIP1559 gas pool and the legacy pool is empty * At `block.number >= FINAL_FORK_BLKNUM` the entire `BLOCK_GAS_TARGET` is assigned to the EIP1559 gas pool and the legacy pool is 0
* We enforce a maximum gas usage on individual transactions: `PER_TX_GASLIMIT`
For the gas price: For the gas price: