Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Spec] Update spec of create_resource_account() #6227

Merged
merged 2 commits into from
Jan 20, 2023
Merged

[Spec] Update spec of create_resource_account() #6227

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e41e48b
Add spec for account::create_resource_account
qpb8023 Jan 17, 2023
4c5f784
Merge branch 'aptos-labs:main' into movebit_account
qpb8023 Jan 18, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 19 additions & 1 deletion aptos-move/framework/aptos-framework/doc/account.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1922,7 +1922,11 @@ The value of signer_capability_offer.for of Account resource under the signer is



<pre><code><b>pragma</b> verify = <b>false</b>;
<pre><code><b>let</b> source_addr = <a href="../../aptos-stdlib/../move-stdlib/doc/signer.md#0x1_signer_address_of">signer::address_of</a>(source);
<b>let</b> resource_addr = <a href="account.md#0x1_account_spec_create_resource_address">spec_create_resource_address</a>(source_addr, seed);
<b>aborts_if</b> len(<a href="account.md#0x1_account_ZERO_AUTH_KEY">ZERO_AUTH_KEY</a>) != 32;
<b>include</b> <a href="account.md#0x1_account_exists_at">exists_at</a>(resource_addr) ==&gt; <a href="account.md#0x1_account_CreateResourceAccountAbortsIf">CreateResourceAccountAbortsIf</a>;
<b>include</b> !<a href="account.md#0x1_account_exists_at">exists_at</a>(resource_addr) ==&gt; <a href="account.md#0x1_account_CreateAccount">CreateAccount</a> {addr: resource_addr};
</code></pre>


Expand Down Expand Up @@ -2046,4 +2050,18 @@ The guid_creation_num of the Account is up to MAX_U64.
</code></pre>




<a name="0x1_account_CreateResourceAccountAbortsIf"></a>


<pre><code><b>schema</b> <a href="account.md#0x1_account_CreateResourceAccountAbortsIf">CreateResourceAccountAbortsIf</a> {
resource_addr: <b>address</b>;
<b>let</b> <a href="account.md#0x1_account">account</a> = <b>global</b>&lt;<a href="account.md#0x1_account_Account">Account</a>&gt;(resource_addr);
<b>aborts_if</b> len(<a href="account.md#0x1_account">account</a>.signer_capability_offer.for.vec) != 0;
<b>aborts_if</b> <a href="account.md#0x1_account">account</a>.sequence_number != 0;
}
</code></pre>


[move-book]: https://move-language.github.io/move/introduction.html
14 changes: 13 additions & 1 deletion aptos-move/framework/aptos-framework/sources/account.spec.move
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -215,7 +215,12 @@ spec aptos_framework::account {
spec fun spec_create_resource_address(source: address, seed: vector<u8>): address;

spec create_resource_account(source: &signer, seed: vector<u8>): (signer, SignerCapability) {
pragma verify = false;
let source_addr = signer::address_of(source);
let resource_addr = spec_create_resource_address(source_addr, seed);

aborts_if len(ZERO_AUTH_KEY) != 32;
include exists_at(resource_addr) ==> CreateResourceAccountAbortsIf;
include !exists_at(resource_addr) ==> CreateAccount {addr: resource_addr};
}

/// Check if the bytes of the new address is 32.
Expand Down Expand Up @@ -270,4 +275,11 @@ spec aptos_framework::account {
let addr = capability.account;
ensures signer::address_of(result) == addr;
}

spec schema CreateResourceAccountAbortsIf {
resource_addr: address;
let account = global<Account>(resource_addr);
aborts_if len(account.signer_capability_offer.for.vec) != 0;
aborts_if account.sequence_number != 0;
}
}