fix: legacy dec power mut zero exponent precision (cosmos#16266)

rafaelsousa · May 24, 2023 · a2e3711 · a2e3711
1 parent 995d2bc
commit a2e3711
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/math/CHANGELOG.md b/math/CHANGELOG.md
@@ -36,6 +36,10 @@ Ref: https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.j
 
 ## [Unreleased]
 
+### Bug Fixes
+
+* [#16266](https://github.com/cosmos/cosmos-sdk/pull/16266) fix: legacy dec power mut zero exponent precision.
+
 ## [math/v1.0.1](https://github.com/cosmos/cosmos-sdk/releases/tag/math/v1.0.1) - 2023-05-15
 
 ### Improvements

diff --git a/math/dec.go b/math/dec.go
@@ -490,7 +490,8 @@ func (d LegacyDec) Power(power uint64) LegacyDec {
 
 func (d LegacyDec) PowerMut(power uint64) LegacyDec {
 	if power == 0 {
-		d.SetInt64(1)
+		// Set to 1 with the correct precision.
+		d.i.Set(precisionReuse)
 		return d
 	}
 	tmp := LegacyOneDec()