Merge pull request #366 from dusk-network/issue-365

Removal of the 'charge' portion of the Economic Model scenario 3
dusk-network · Jun 11, 2024 · 4e0f24c · 4e0f24c
2 parents 8502e9e + 0288916
commit 4e0f24c
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Showing 4 changed files with 6 additions and 15 deletions.
diff --git a/piecrust-uplink/CHANGELOG.md b/piecrust-uplink/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Removed
+
+- Removed the 'charge' portion of the economic protocol [#365]
+
 ## [0.13.0] - 2024-06-05
 
 ### Added
@@ -175,6 +179,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - First `piecrust-uplink` release
 
 <!-- ISSUES -->
+[#365]: https://github.com/dusk-network/piecrust/issues/365
 [#357]: https://github.com/dusk-network/piecrust/issues/357
 [#353]: https://github.com/dusk-network/piecrust/issues/353
 [#350]: https://github.com/dusk-network/piecrust/issues/350

diff --git a/piecrust-uplink/src/abi/state.rs b/piecrust-uplink/src/abi/state.rs
@@ -206,13 +206,6 @@ pub fn set_allowance(allowance: u64) {
     set_eco_mode(EconomicMode::Allowance(allowance));
 }
 
-/// Allows the contract to set charge which will be used
-/// as a fee. If charge is greater than gas spent,
-/// the difference will be added to contract's balance.
-pub fn set_charge(charge: u64) {
-    set_eco_mode(EconomicMode::Charge(charge));
-}
-
 /// Calls the function with name `fn_name` of the given `contract` using
 /// `fn_arg` as argument, allowing it to spend the given `gas_limit`.
 ///

diff --git a/piecrust-uplink/src/types.rs b/piecrust-uplink/src/types.rs
@@ -163,14 +163,12 @@ impl RawResult {
 #[archive_attr(derive(CheckBytes))]
 pub enum EconomicMode {
     Allowance(u64),
-    Charge(u64),
     None,
     Unknown,
 }
 
 impl EconomicMode {
     const ALLOWANCE: u8 = 1;
-    const CHARGE: u8 = 2;
     const NONE: u8 = 0;
 
     pub fn write(&self, buf: &mut [u8]) {
@@ -186,10 +184,6 @@ impl EconomicMode {
                 write_value(allowance, buf);
                 buf[0] = Self::ALLOWANCE;
             }
-            Charge(charge) => {
-                write_value(charge, buf);
-                buf[0] = Self::CHARGE;
-            }
             None => {
                 zero_buf(buf);
                 buf[0] = Self::NONE;
@@ -206,7 +200,6 @@ impl EconomicMode {
         };
         match buf[0] {
             Self::ALLOWANCE => Allowance(value()),
-            Self::CHARGE => Charge(value()),
             Self::NONE => None,
             _ => Unknown,
         }

diff --git a/piecrust/src/session.rs b/piecrust/src/session.rs
@@ -632,7 +632,7 @@ impl Session {
 
     /// Creates a new instance of the given contract, returning its memory
     /// length.
-    pub(crate) fn create_instance(
+    fn create_instance(
         &mut self,
         contract: ContractId,
     ) -> Result<usize, Error> {