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seal: Change prefix and module name from "ext_" to "seal_" for contract callable functions (#6798)

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* seal: Change prefix "ext_" to "seal_" for contract callable functions

The word Ext is a overloaded term in the context of substrate. It usually
is a trait which abstracts away access to external resources usually in order
to mock them away for the purpose of tests. The contract module has its own
`Ext` trait in addition the the substrate `Ext` which makes things even more
confusing.

In order to differentiate the contract callable functions more clearly from
this `Ext` concept we rename them to use the "seal_" prefix instead.

This should change no behaviour at all. This is a pure renaming commit.

* seal: Rename import module from "env" to "seal0"

* seal: Fixup integration test

* seal: Add more tests for new import module names
This commit is contained in:
Alexander Theißen
2020-08-10 15:14:34 +02:00
committed by GitHub
parent f9f8262303
commit 04b185e3d4
29 changed files with 355 additions and 303 deletions
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substrate/frame/contracts/src/lib.rs
+3 -3
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@@ -419,7 +419,7 @@ decl_error! {
OutputBufferTooSmall,
/// Performing the requested transfer would have brought the contract below
/// the subsistence threshold. No transfer is allowed to do this in order to allow
/// for a tombstone to be created. Use `ext_terminate` to remove a contract without
/// for a tombstone to be created. Use `seal_terminate` to remove a contract without
/// leaving a tombstone behind.
BelowSubsistenceThreshold,
/// The newly created contract is below the subsistence threshold after executing
@@ -768,7 +768,7 @@ impl<T: Trait> Config<T> {
/// Rent or any contract initiated balance transfer mechanism cannot make the balance lower
/// than the subsistence threshold in order to guarantee that a tombstone is created.
///
/// The only way to completely kill a contract without a tombstone is calling `ext_terminate`.
/// The only way to completely kill a contract without a tombstone is calling `seal_terminate`.
pub fn subsistence_threshold(&self) -> BalanceOf<T> {
self.existential_deposit.saturating_add(self.tombstone_deposit)
}
@@ -846,7 +846,7 @@ pub struct Schedule {
/// Maximum allowed size of a declared table.
pub max_table_size: u32,
/// Whether the `ext_println` function is allowed to be used contracts.
/// Whether the `seal_println` function is allowed to be used contracts.
/// MUST only be enabled for `dev` chains, NOT for production chains
pub enable_println: bool,