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Add wasmvm decorator option #1348

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merged 1 commit into from
Apr 20, 2023
Merged

Add wasmvm decorator option #1348

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7 changes: 7 additions & 0 deletions x/wasm/keeper/options.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,13 @@ func WithWasmEngine(x types.WasmerEngine) Option {
})
}

// WithWasmEngineDecorator is an optional constructor parameter to decorate the default wasmVM engine.
func WithWasmEngineDecorator(d func(old types.WasmerEngine) types.WasmerEngine) Option {
return optsFn(func(k *Keeper) {
k.wasmVM = d(k.wasmVM)
})
}

// WithMessageHandler is an optional constructor parameter to set a custom handler for wasmVM messages.
// This option should not be combined with Option `WithMessageEncoders` or `WithMessageHandlerDecorator`
func WithMessageHandler(x Messenger) Option {
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11 changes: 11 additions & 0 deletions x/wasm/keeper/options_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ import (
"reflect"
"testing"

wasmvm "github.com/CosmWasm/wasmvm"

authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
Expand All @@ -27,6 +29,15 @@ func TestConstructorOptions(t *testing.T) {
assert.IsType(t, &wasmtesting.MockWasmer{}, k.wasmVM)
},
},
"decorate wasmvm": {
srcOpt: WithWasmEngineDecorator(func(old types.WasmerEngine) types.WasmerEngine {
require.IsType(t, &wasmvm.VM{}, old)
return &wasmtesting.MockWasmer{}
}),
verify: func(t *testing.T, k Keeper) {
assert.IsType(t, &wasmtesting.MockWasmer{}, k.wasmVM)
},
},
"message handler": {
srcOpt: WithMessageHandler(&wasmtesting.MockMessageHandler{}),
verify: func(t *testing.T, k Keeper) {
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