feat(cosmos): set swingset.params.bootstrap_vat_config at genesis

golang/cosmos/app/app.go

@@ -659,13 +659,14 @@ func NewAgoricApp(
 }
 
 type cosmosInitAction struct {
-	Type        string    `json:"type"`
-	ChainID     string    `json:"chainID"`
-	StoragePort int       `json:"storagePort"`
-	SupplyCoins sdk.Coins `json:"supplyCoins"`
-	VibcPort    int       `json:"vibcPort"`
-	VbankPort   int       `json:"vbankPort"`
-	LienPort    int       `json:"lienPort"`
+	Type        string          `json:"type"`
+	ChainID     string          `json:"chainID"`
+	Params      swingset.Params `json:"params"`
+	StoragePort int             `json:"storagePort"`
+	SupplyCoins sdk.Coins       `json:"supplyCoins"`
+	VibcPort    int             `json:"vibcPort"`
+	VbankPort   int             `json:"vbankPort"`
+	LienPort    int             `json:"lienPort"`
 }
 
 // Name returns the name of the App
@@ -681,6 +682,7 @@ func (app *GaiaApp) MustInitController(ctx sdk.Context) {
 	action := &cosmosInitAction{
 		Type:        "AG_COSMOS_INIT",
 		ChainID:     ctx.ChainID(),
+		Params:      app.SwingSetKeeper.GetParams(ctx),
 		StoragePort: vm.GetPort("storage"),
 		SupplyCoins: sdk.NewCoins(app.BankKeeper.GetSupply(ctx, "urun")),
 		VibcPort:    app.vibcPort,

golang/cosmos/proto/agoric/swingset/swingset.proto

@@ -17,9 +17,6 @@ message Params {
     // These values are used by SwingSet to normalize named per-resource charges
     // (maybe rent) in a single Nat usage unit, the "bean".
     //
-    // The structure and interpretation of this map and the units therein is
-    // entirely determined by the JS-level code.
-    //
     // There is no required order to this list of entries, but all the chain
     // nodes must all serialize and deserialize the existing order without
     // permuting it.
@@ -35,6 +32,11 @@ message Params {
       (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
       (gogoproto.nullable) = false
     ];
+
+    // The SwingSet bootstrap vat configuration file.  Not usefully modifiable
+    // via governance as it is only referenced by the chain's initial
+    // construction.
+    string bootstrap_vat_config = 3;
 }
 
 // Map element of a string key to a Nat bean count.

golang/cosmos/x/swingset/alias.go

@@ -28,5 +28,6 @@ type (
 	Egress            = types.Egress
 	MsgDeliverInbound = types.MsgDeliverInbound
 	MsgProvision      = types.MsgProvision
+	Params            = types.Params
 	Storage           = types.Storage
 )

golang/cosmos/x/swingset/types/default-params.go

@@ -53,4 +53,6 @@ var (
 		NewStringBeans(BeansPerVatCreation, DefaultBeansPerVatCreation),
 		NewStringBeans(BeansPerXsnapComputron, DefaultBeansPerXsnapComputron),
 	}
+
+	DefaultBootstrapVatConfig = "@agoric/vats/decentral-config.json"
 )

golang/cosmos/x/swingset/types/params.go

@@ -11,8 +11,9 @@ import (
 
 // Parameter keys
 var (
-	ParamStoreKeyBeansPerUnit = []byte("beans_per_unit")
-	ParamStoreKeyFeeUnitPrice = []byte("fee_unit_price")
+	ParamStoreKeyBeansPerUnit       = []byte("beans_per_unit")
+	ParamStoreKeyBootstrapVatConfig = []byte("bootstrap_vat_config")
+	ParamStoreKeyFeeUnitPrice       = []byte("fee_unit_price")
 )
 
 func NewStringBeans(key string, beans sdk.Uint) StringBeans {
@@ -30,8 +31,9 @@ func ParamKeyTable() paramtypes.KeyTable {
 // DefaultParams returns default swingset parameters
 func DefaultParams() Params {
 	return Params{
-		BeansPerUnit: DefaultBeansPerUnit,
-		FeeUnitPrice: DefaultFeeUnitPrice,
+		BeansPerUnit:       DefaultBeansPerUnit,
+		BootstrapVatConfig: DefaultBootstrapVatConfig,
+		FeeUnitPrice:       DefaultFeeUnitPrice,
 	}
 }
 
@@ -45,6 +47,7 @@ func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
 	return paramtypes.ParamSetPairs{
 		paramtypes.NewParamSetPair(ParamStoreKeyBeansPerUnit, &p.BeansPerUnit, validateBeansPerUnit),
 		paramtypes.NewParamSetPair(ParamStoreKeyFeeUnitPrice, &p.FeeUnitPrice, validateFeeUnitPrice),
+		paramtypes.NewParamSetPair(ParamStoreKeyBootstrapVatConfig, &p.BootstrapVatConfig, validateBootstrapVatConfig),
 	}
 }
 
@@ -56,6 +59,9 @@ func (p Params) ValidateBasic() error {
 	if err := validateFeeUnitPrice(p.FeeUnitPrice); err != nil {
 		return err
 	}
+	if err := validateBootstrapVatConfig(p.BootstrapVatConfig); err != nil {
+		return err
+	}
 
 	return nil
 }
@@ -92,3 +98,16 @@ func validateFeeUnitPrice(i interface{}) error {
 
 	return nil
 }
+
+func validateBootstrapVatConfig(i interface{}) error {
+	v, ok := i.(string)
+	if !ok {
+		return fmt.Errorf("invalid parameter type: %T", i)
+	}
+
+	if v == "" {
+		return fmt.Errorf("bootstrap vat config must not be empty")
+	}
+
+	return nil
+}