fix(mint): provide annual inflation rate

axone-protocol · Oct 7, 2022 · 608af3f · 608af3f
1 parent 25316e5
commit 608af3f
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Showing 2 changed files with 6 additions and 7 deletions.
diff --git a/pkg/mint/okp4InflationCalculationFn.go b/pkg/mint/okp4InflationCalculationFn.go
@@ -18,7 +18,6 @@ var (
 // See: https://docs.okp4.network/docs/whitepaper/tokenomics#staking-rewards
 func Okp4InflationCalculationFn(ctx sdk.Context, minter minttypes.Minter, params minttypes.Params, _ sdk.Dec) sdk.Dec {
 	year := uint64(ctx.BlockHeight()) / params.BlocksPerYear
-	inflationForYear := initialInflation.Mul(params.InflationRateChange.Power(year))
 
-	return inflationForYear.QuoInt64Mut(int64(params.BlocksPerYear))
+	return initialInflation.Mul(params.InflationRateChange.Power(year))
 }
diff --git a/pkg/mint/okp4InflationCalculationFn_test.go b/pkg/mint/okp4InflationCalculationFn_test.go
@@ -28,39 +28,39 @@ func TestOkp4InflationCalculationFn(t *testing.T) {
 					blockHeight:         0,
 					blocksPerYear:       10,
 					inflationRateChange: .8,
-				}, want: sdk.NewDecWithPrec(15, 3),
+				}, want: sdk.NewDecWithPrec(15, 2),
 			},
 			{
 				name: "Inflation for the last block of the first year",
 				args: args{
 					blockHeight:         9,
 					blocksPerYear:       10,
 					inflationRateChange: .8,
-				}, want: sdk.NewDecWithPrec(15, 3),
+				}, want: sdk.NewDecWithPrec(15, 2),
 			},
 			{
 				name: "Inflation for the first block of the second year",
 				args: args{
 					blockHeight:         10,
 					blocksPerYear:       10,
 					inflationRateChange: .8,
-				}, want: sdk.NewDecWithPrec(12, 3),
+				}, want: sdk.NewDecWithPrec(12, 2),
 			},
 			{
 				name: "Inflation for the second block of the third year",
 				args: args{
 					blockHeight:         21,
 					blocksPerYear:       10,
 					inflationRateChange: .8,
-				}, want: sdk.MustNewDecFromStr("0.0096"),
+				}, want: sdk.MustNewDecFromStr("0.096"),
 			},
 			{
 				name: "Inflation for a block in the 16th year",
 				args: args{
 					blockHeight:         87899401,
 					blocksPerYear:       5256000,
 					inflationRateChange: .8,
-				}, want: sdk.MustNewDecFromStr("0.000000000803296166"),
+				}, want: sdk.MustNewDecFromStr("0.004222124650659840"),
 			},
 		}