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Bump interface_version to 9 #1368

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Bump interface_version to 9 #1368

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1906f75
bump `interface_version` to 9
uint Jul 18, 2022
60baccd
update CHANGELOG regarding `interface_version_9`
uint Jul 19, 2022
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -20,6 +20,10 @@ and this project adheres to
- cosmwasm-std: Implement `saturating_add`/`sub`/`mul` for
`Decimal`/`Decimal256`.
- cosmwasm-std: Implement `MIN` const value for all `Uint` and `Decimal` types
- cosmwasm-vm: Add support for contracts with `interface_version_9`.
`interface_version_8` is still supported as well.
- cosmwasm-std: Bump the interface version to `interface_version_9`. Contracts
built on `cosmwasm-std 1.1` will only work with `cosmwasm-vm ^1.1`

[#1334]: https://github.com/CosmWasm/cosmwasm/pull/1334

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2 changes: 1 addition & 1 deletion packages/std/src/exports.rs
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Expand Up @@ -45,7 +45,7 @@ extern "C" fn requires_stargate() -> () {}
/// They can be checked by cosmwasm_vm.
/// Update this whenever the Wasm VM interface breaks.
#[no_mangle]
extern "C" fn interface_version_8() -> () {}
extern "C" fn interface_version_9() -> () {}

/// allocate reserves the given number of bytes in wasm memory and returns a pointer
/// to a Region defining this data. This space is managed by the calling process
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25 changes: 13 additions & 12 deletions packages/vm/README.md
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Expand Up @@ -14,18 +14,19 @@ A VM can support one or more contract-VM interface versions. The interface
version is communicated by the contract via a Wasm import. This is the current
compatibility list:

| cosmwasm-vm | Supported interface versions | cosmwasm-std |
| ----------- | ---------------------------- | ------------ |
| 1.0 | `interface_version_8` | 1.0 |
| 0.16 | `interface_version_7` | 0.16 |
| 0.15 | `interface_version_6` | 0.15 |
| 0.14 | `interface_version_5` | 0.14 |
| 0.13 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.12 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.11 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.10 | `cosmwasm_vm_version_3` | 0.10 |
| 0.9 | `cosmwasm_vm_version_2` | 0.9 |
| 0.8 | `cosmwasm_vm_version_1` | 0.8 |
| cosmwasm-vm | Supported interface versions | cosmwasm-std |
| ----------- | -------------------------------------------- | ------------ |
| 1.1 | `interface_version_9`, `interface_version_8` | 1.0-1.1 |
| 1.0 | `interface_version_8` | 1.0 |
| 0.16 | `interface_version_7` | 0.16 |
| 0.15 | `interface_version_6` | 0.15 |
| 0.14 | `interface_version_5` | 0.14 |
| 0.13 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.12 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.11 | `cosmwasm_vm_version_4` | 0.11-0.13 |
| 0.10 | `cosmwasm_vm_version_3` | 0.10 |
| 0.9 | `cosmwasm_vm_version_2` | 0.9 |
| 0.8 | `cosmwasm_vm_version_1` | 0.8 |

### Changes between interface versions

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1 change: 1 addition & 0 deletions packages/vm/src/compatibility.rs
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Expand Up @@ -43,6 +43,7 @@ const REQUIRED_EXPORTS: &[&str] = &[

const INTERFACE_VERSION_PREFIX: &str = "interface_version_";
const SUPPORTED_INTERFACE_VERSIONS: &[&str] = &[
"interface_version_9",
"interface_version_8",
#[cfg(feature = "allow_interface_version_7")]
"interface_version_7",
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