fix: protect against panic when updating pparams from Conway genesis (#776)

agaffney · web-flow · commit f14c9e54035f · 2024-10-30T14:41:46.000-05:00
diff --git a/ledger/conway/pparams.go b/ledger/conway/pparams.go
@@ -226,6 +226,9 @@ func (p *ConwayProtocolParameters) UpdateFromGenesis(genesis *ConwayGenesis) {
 		}
 	}
 	if len(genesis.PlutusV3CostModel) > 0 {
+		if p.CostModels == nil {
+			p.CostModels = make(map[uint][]int64)
+		}
 		p.CostModels[2] = genesis.PlutusV3CostModel
 	}
 	if genesis.PoolVotingThresholds.MotionNoConfidence != nil {

Original file line number	Diff line number	Diff line change
`@@ -226,6 +226,9 @@ func (p ConwayProtocolParameters) UpdateFromGenesis(genesis ConwayGenesis) {`
`226`	`226`	`}`
`227`	`227`	`}`
`228`	`228`	`if len(genesis.PlutusV3CostModel) > 0 {`
	`229`	`+ if p.CostModels == nil {`
	`230`	`+ p.CostModels = make(map[uint][]int64)`
	`231`	`+ }`
`229`	`232`	`p.CostModels[2] = genesis.PlutusV3CostModel`
`230`	`233`	`}`
`231`	`234`	`if genesis.PoolVotingThresholds.MotionNoConfidence != nil {`