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* Delete and Formatting Clarify a chagne in delete behavior Better formatting on the gas table. Signed-off-by: Danno Ferrin <[email protected]> * date Signed-off-by: Danno Ferrin <[email protected]> * front matter Signed-off-by: Danno Ferrin <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,12 @@ | ||
| - hip: 26 | ||
| - title: Migrate Smart Contract Service EVM to Hyperledger Besu EVM | ||
| - author: Daniel Ivanov ([email protected]), Danno Ferrin ( | ||
| [email protected]) | ||
| - author: Daniel Ivanov ([email protected]), Danno Ferrin ([email protected]) | ||
| - type: Standards | ||
| - category: Services | ||
| - status: Draft | ||
| - created: 16 September 2021 | ||
| - discussions-to: https://github.com/hashgraph/hedera-improvement-proposal/discussions/140 | ||
| - updated: 17 September 2021 | ||
| - updated: 11 October 2021 | ||
| - requires: | ||
| - replaces: | ||
| - superseded-by: | ||
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@@ -136,10 +135,10 @@ enumerated, including the primary new contract. | |
| If a contract was being created and the new contract called `SELFDESTRUCT` in | ||
| the initcode we would not mark the `MerkleAccount` `isDeleted` field as true. If | ||
| the `SELFDESTRUCT` was called as part of a function call we would mark it as | ||
| true. | ||
| true. | ||
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| Now regardless of whether the call to `SELFDESTRUCT` occurred in initcode | ||
| or in a function call the `isDeleted` field is set to true. | ||
| Now regardless of whether the call to `SELFDESTRUCT` occurred in initcode or in | ||
| a function call the `isDeleted` field is set to true. | ||
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| #### Errors moving from PreCheck errors to Transaction Errors | ||
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@@ -216,38 +215,41 @@ from `SELFDESTRUCT` have been completely removed. | |
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| #### Table of Gas Cost Changes | ||
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| | Operation | Current Hedera | London Cost | HIP-26 Cost | | ||
| | ----------------------------------------------------------------------------------- | ------------------------------------- | --------------------------- | ------------------------ | | ||
| | Code deposit | Floating Hedera Storage Cost per byte | 200 * bytes | Max of Hedera and London | | ||
| | BALANCE <br/>(cold account) | 20 | 2600 | 2600 | | ||
| | BALANCE <br/>(warm account) | 20 | 100 | 100 | | ||
| | EXP | 10 + 10/byte | 10 + 50/byte | 10 + 50/byte | | ||
| | EXTCODECOPY <br/>(cold account) | 20 + Mem | 2600 + Mem | 2600 + Mem | | ||
| | EXTCODECOPY <br/>(warm account) | 20 + Mem | 100 + Mem | 100 + Mem | | ||
| | EXTCODEHASH <br/>(cold account) | 400 | 2600 | 2600 | | ||
| | EXTCODEHASH <br/>(warm account) | 400 | 100 | 100 | | ||
| | EXTCODESIZE <br/>(cold account) | 20 | 2600 | 2600 | | ||
| | EXTCODESIZE <br/>(warm account) | 20 | 100 | 100 | | ||
| | LOG0, LOG1, LOG2,<br/> LOG3, LOG4 | Floating Hedera Ram Cost per byte | 375 + 375*topics + data Mem | Max of London or Hedera | | ||
| | SLOAD <br/>(cold slot) | 50 | 2100 | 2100 | | ||
| | SLOAD <br/>(warm slot) | 50 | 100 | 100 | | ||
| | SSTORE <br/>(new slot) | Floating Hedera Storage Cost per byte | 22,100 | Max of Hedera and London | | ||
| | SSTORE <br/>(existing slot, <br/>cold acccess) | 5,000 | 2,900 | 2,900 | | ||
| | SSTORE <br/>(existing slot, <br/>warm access) | 5,000 | 100 | 100 | | ||
| | SSTORE <br/>refund | All new slot charges | Only transient storage | Only transient storage | | ||
| | CALL, CALLCODE, <br/>DELEGATECALL, <br/>STATICCALL<br/> (cold recipient) | 40 | 2,600 | 2,600 | | ||
| | CALL, CALLCODE, <br/>DELEGATECALL, <br/>STATICCALL<br/> (warm recipient) | 40 | 100 | 100 | | ||
| | CALL, CALLCODE, <br/>DELEGATECALL, <br/>STATICCALL<br/> Hbar/Eth Transfer Surcharge | 9,000 | 9,000 | 9,000 | | ||
| | CALL, CALLCODE, <br/>DELEGATECALL, <br/>STATICCALL<br/> New Account Surcharge | <i>revert</i> | 25,000 | <i>revert</i> | | ||
| | SELFDESTRUCT <br/>(cold beneficiary) | 0 | 2600 | 2600 | | ||
| | SELFDESTRUCT <br/>(warm beneficiary) | 0 | 0 | 0 | | ||
| | Operation | Current Hedera | London Cost | HIP-26 Cost | | ||
| | --------------------------------------------------- | ----------------------------------------: | -------------------------------: | -------------------------------: | | ||
| | Code deposit | Floating Hedera<br/>Storage Cost per byte | 200 * bytes | Max of London<br/>or Hedera | | ||
| | BALANCE <br/>(cold account) | 20 | 2600 | 2600 | | ||
| | BALANCE <br/>(warm account) | 20 | 100 | 100 | | ||
| | EXP | 10 + 10/byte | 10 + 50/byte | 10 + 50/byte | | ||
| | EXTCODECOPY <br/>(cold account) | 20 + Mem | 2600 + Mem | 2600 + Mem | | ||
| | EXTCODECOPY <br/>(warm account) | 20 + Mem | 100 + Mem | 100 + Mem | | ||
| | EXTCODEHASH <br/>(cold account) | 400 | 2600 | 2600 | | ||
| | EXTCODEHASH <br/>(warm account) | 400 | 100 | 100 | | ||
| | EXTCODESIZE <br/>(cold account) | 20 | 2600 | 2600 | | ||
| | EXTCODESIZE <br/>(warm account) | 20 | 100 | 100 | | ||
| | LOG0, LOG1, LOG2,<br/> LOG3, LOG4 | Floating Hedera<br/>Ram Cost per byte | 375 + 375*topics<br/>+ data Mem | Max of London<br/>or Hedera | | ||
| | SLOAD <br/>(cold slot) | 50 | 2100 | 2100 | | ||
| | SLOAD <br/>(warm slot) | 50 | 100 | 100 | | ||
| | SSTORE <br/>(new slot) | Floating Hedera<br/>Storage Cost per byte | 22,100 | Max of London<br/>or Hedera | | ||
| | SSTORE <br/>(existing slot, <br/>cold access) | 5,000 | 2,900 | 2,900 | | ||
| | SSTORE <br/>(existing slot, <br/>warm access) | 5,000 | 100 | 100 | | ||
| | SSTORE <br/>refund | All new<br/>slot charges | Only transient<br/>storage slots | Only transient<br/>storage slots | | ||
| | CALL <i>et al</i>.<br/> (cold recipient) | 40 | 2,600 | 2,600 | | ||
| | CALL <i>et al</i>.<br/> (warm recipient) | 40 | 100 | 100 | | ||
| | CALL <i>et al</i>.<br/> Hbar/Eth Transfer Surcharge | 9,000 | 9,000 | 9,000 | | ||
| | CALL <i>et al</i>.<br/> New Account Surcharge | <i>revert</i> | 25,000 | <i>revert</i> | | ||
| | SELFDESTRUCT <br/>(cold beneficiary) | 0 | 2600 | 2600 | | ||
| | SELFDESTRUCT <br/>(warm beneficiary) | 0 | 0 | 0 | | ||
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| <!--| CREATE | | REVERT | | RETURNDATACOPY | | RETURNDATASIZE |--> | ||
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| The terms 'warm' and 'cold' in the above table correspond with wether the | ||
| The terms 'warm' and 'cold' in the above table correspond with whether the | ||
| account or storage slot has been read or written to within the current smart | ||
| contract transaction, even if within a child call frame. | ||
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| 'CALL <i>et al.</i>' includes with limitation CALL, CALLCODE, DELEGATECALL, and | ||
| STATICCALL | ||
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| ## Security Implications | ||
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| Between Besu and EthereumJ there is no material difference in the security | ||
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@@ -261,7 +263,8 @@ attack surfaces. The same specifications and Hedera integrations will exist. | |
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| ## Reference Implementation | ||
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| To be done | ||
| Hedera Services | ||
| PR [#2208](https://github.com/hashgraph/hedera-services/pull/2208) | ||
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| ## Rejected Ideas | ||
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@@ -290,7 +293,7 @@ Service on the EVM provides the least amount of backwards compatibility issues. | |
| ### Eliminating Smart Contract Service Support | ||
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| Eliminating the EVM as a whole would foreclose future growth of the Hedera | ||
| Platform in the "on-chain" smart contracts arena. | ||
| Platform in the "on-chain" smart contract arena. | ||
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| ## Open Issues | ||
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