Set max proposal wasm code size to 3MB

README.md

@@ -209,7 +209,7 @@ file of your custom chain.
 
 * `wasmtypes.MaxLabelSize = 64` to set the maximum label size on instantiation (default 128)
 * `wasmtypes.MaxWasmSize=777000` to set the max size of compiled wasm to be accepted (default 819200)
-* `wasmtypes.MaxProposalWasmSize=888000` to set the max size of gov proposal compiled wasm to be accepted (default 4194304)
+* `wasmtypes.MaxProposalWasmSize=888000` to set the max size of gov proposal compiled wasm to be accepted (default 3145728)
 
 ## Genesis Configuration
 We strongly suggest **to limit the max block gas in the genesis** and not use the default value (`-1` for infinite).

x/wasm/types/genesis.go

@@ -47,7 +47,7 @@ func (c Code) ValidateBasic() error {
 	if err := c.CodeInfo.ValidateBasic(); err != nil {
 		return sdkerrors.Wrap(err, "code info")
 	}
-	if err := validateWasmCode(c.CodeBytes, MaxWasmSize); err != nil {
+	if err := validateWasmCode(c.CodeBytes, MaxProposalWasmSize); err != nil {
 		return sdkerrors.Wrap(err, "code bytes")
 	}
 	return nil

x/wasm/types/genesis_test.go

@@ -117,7 +117,7 @@ func TestCodeValidateBasic(t *testing.T) {
 		},
 		"codeBytes greater limit": {
 			srcMutator: func(c *Code) {
-				c.CodeBytes = bytes.Repeat([]byte{0x1}, MaxWasmSize+1)
+				c.CodeBytes = bytes.Repeat([]byte{0x1}, MaxProposalWasmSize+1)
 			},
 			expError: true,
 		},

x/wasm/types/validation.go

@@ -15,7 +15,7 @@ var (
 	MaxWasmSize = 800 * 1024 // extension point for chains to customize via compile flag.
 
 	// MaxProposalWasmSize is the largest a gov proposal compiled contract code can be when storing code on chain
-	MaxProposalWasmSize = 4 * 1024 * 1024 // extension point for chains to customize via compile flag.
+	MaxProposalWasmSize = 3 * 1024 * 1024 // extension point for chains to customize via compile flag.
 )
 
 func validateWasmCode(s []byte, maxSize int) error {