set bls cost multiplier

fetchai · Aug 24, 2021 · 63072c1 · 63072c1
1 parent f8d996d
commit 63072c1
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/x/auth/legacy/v040/migrate.go b/x/auth/legacy/v040/migrate.go
@@ -8,6 +8,9 @@ import (
 	v040vesting "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
 )
 
+// blsCostMultiplier is used to calculate bls signature verification cost = blsCostMultiplier * SigVerifyCostED25519
+const blsCostMultiplier = 10
+
 // convertBaseAccount converts a 0.39 BaseAccount to a 0.40 BaseAccount.
 func convertBaseAccount(old *v039auth.BaseAccount) *v040auth.BaseAccount {
 	var any *codectypes.Any
@@ -46,7 +49,7 @@ func convertBaseVestingAccount(old *v039auth.BaseVestingAccount) *v040vesting.Ba
 //
 // - Removing coins from account encoding.
 // - Re-encode in v0.40 GenesisState.
-func Migrate(authGenState v039auth.GenesisState, blsCost uint64) *v040auth.GenesisState {
+func Migrate(authGenState v039auth.GenesisState) *v040auth.GenesisState {
 	// Convert v0.39 accounts to v0.40 ones.
 	var v040Accounts = make([]v040auth.GenesisAccount, len(authGenState.Accounts))
 	for i, v039Account := range authGenState.Accounts {
@@ -117,7 +120,7 @@ func Migrate(authGenState v039auth.GenesisState, blsCost uint64) *v040auth.Genes
 			MaxMemoCharacters:      authGenState.Params.MaxMemoCharacters,
 			TxSigLimit:             authGenState.Params.TxSigLimit,
 			TxSizeCostPerByte:      authGenState.Params.TxSizeCostPerByte,
-			SigVerifyCostBls12381:  blsCost,
+			SigVerifyCostBls12381:  blsCostMultiplier * authGenState.Params.SigVerifyCostED25519,
 			SigVerifyCostED25519:   authGenState.Params.SigVerifyCostED25519,
 			SigVerifyCostSecp256k1: authGenState.Params.SigVerifyCostSecp256k1,
 		},

diff --git a/x/auth/legacy/v040/migrate_test.go b/x/auth/legacy/v040/migrate_test.go
@@ -82,7 +82,7 @@ func TestMigrate(t *testing.T) {
 		Accounts: v038auth.GenesisAccounts{acc1, acc2, acc3, acc4, acc5, acc6, acc7},
 	}
 
-	migrated := v040auth.Migrate(gs, 400)
+	migrated := v040auth.Migrate(gs)
 	expected := `{
   "accounts": [
     {