test: integration test that verifies gas limits for Rust contract

src/__tests__/integration/wasm/rust-deploy-write-read.test.ts

@@ -209,4 +209,20 @@ describe('Testing the Rust WASM Profit Sharing Token', () => {
     expect(result.type).toEqual("error");
     expect(result.errorMessage).toEqual("[CE:TransferAmountMustBeHigherThanZero]");
   });
+
+
+  it('should honor gas limits', async () => {
+    pst.setEvaluationOptions({
+      gasLimit: 9000000
+    })
+
+    const result = await pst.dryWrite({
+      function: 'transfer',
+      target: 'uhE-QeYS8i4pmUtnxQyHD7dzXFNaJ9oMK-IM-QPNY6M',
+      qty: 555
+    });
+
+    expect(result.type).toEqual("exception");
+    expect(result.errorMessage).toEqual("[RE:OOG] Out of gas! Used: 9000868, limit: 9000000");
+  });
 });

src/legacy/smartweave-global.ts

@@ -90,14 +90,10 @@ export class SmartWeaveGlobal {
     this.gasUsed += gas;
     if (this.gasUsed > this.gasLimit) {
       throw new Error(
-        `[RE:OOG] Out of gas! Limit: ${this.formatGas(this.gasUsed)}, used: ${this.formatGas(this.gasLimit)}`
+        `[RE:OOG] Out of gas! Used: ${this.gasUsed}, limit: ${this.gasLimit}`
       );
     }
   }
-
-  private formatGas(gas) {
-    return gas * 1e-4;
-  }
 }
 
 // tslint:disable-next-line: max-classes-per-file