cosmjs patch in order to support bn254 key type

@cosmjs+amino+0.31.3.patch

diff --git a/node_modules/@cosmjs/amino/build/pubkeys.js b/node_modules/@cosmjs/amino/build/pubkeys.js
index e9844ef..86101f8 100644
--- a/node_modules/@cosmjs/amino/build/pubkeys.js
+++ b/node_modules/@cosmjs/amino/build/pubkeys.js
@@ -9,6 +9,10 @@ function isSecp256k1Pubkey(pubkey) {
     return pubkey.type === "tendermint/PubKeySecp256k1";
 }
 exports.isSecp256k1Pubkey = isSecp256k1Pubkey;
+function isBn254Pubkey(pubkey) {
+    return pubkey.type === "tendermint/PubKeyBn254";
+}
+exports.isBn254Pubkey = isBn254Pubkey;
 exports.pubkeyType = {
     /** @see https://github.com/tendermint/tendermint/blob/v0.33.0/crypto/ed25519/ed25519.go#L22 */
     secp256k1: "tendermint/PubKeySecp256k1",
@@ -16,6 +20,7 @@ exports.pubkeyType = {
     ed25519: "tendermint/PubKeyEd25519",
     /** @see https://github.com/tendermint/tendermint/blob/v0.33.0/crypto/sr25519/codec.go#L12 */
     sr25519: "tendermint/PubKeySr25519",
+    bn254: "tendermint/PubKeyBn254",
     multisigThreshold: "tendermint/PubKeyMultisigThreshold",
 };
 function isSinglePubkey(pubkey) {

@cosmjs+tendermint-rpc+0.31.3.patch

diff --git a/node_modules/@cosmjs/tendermint-rpc/build/tendermint37/adaptor/responses.js b/node_modules/@cosmjs/tendermint-rpc/build/tendermint37/adaptor/responses.js
index 961f32d..ced45eb 100644
--- a/node_modules/@cosmjs/tendermint-rpc/build/tendermint37/adaptor/responses.js
+++ b/node_modules/@cosmjs/tendermint-rpc/build/tendermint37/adaptor/responses.js
@@ -72,7 +72,7 @@ function decodePubkey(data) {
     if ("Sum" in data) {
         // we don't need to check type because we're checking algorithm
         const [[algorithm, value]] = Object.entries(data.Sum.value);
-        (0, utils_1.assert)(algorithm === "ed25519" || algorithm === "secp256k1", `unknown pubkey type: ${algorithm}`);
+        (0, utils_1.assert)(algorithm === "ed25519" || algorithm === "secp256k1" || algorithm === "bn254", `unknown pubkey type: ${algorithm}`);
         return {
             algorithm,
             data: (0, encoding_1.fromBase64)((0, encodings_1.assertNotEmpty)(value)),
@@ -91,6 +91,11 @@ function decodePubkey(data) {
                     algorithm: "secp256k1",
                     data: (0, encoding_1.fromBase64)((0, encodings_1.assertNotEmpty)(data.value)),
                 };
+            case "tendermint/PubKeyBn254":
+                return {
+                    algorithm: "bn254",
+                    data: (0, encoding_1.fromBase64)((0, encodings_1.assertNotEmpty)(data.value)),
+                };
             default:
                 throw new Error(`unknown pubkey type: ${data.type}`);
         }